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-rw-r--r--tests/assembly/slice-is_ascii.rs35
-rw-r--r--tests/codegen/abi-main-signature-16bit-c-int.rs1
-rw-r--r--tests/codegen/addr-of-mutate.rs34
-rw-r--r--tests/codegen/align-offset.rs78
-rw-r--r--tests/codegen/ascii-char.rs37
-rw-r--r--tests/codegen/binary-search-index-no-bound-check.rs4
-rw-r--r--tests/codegen/call-llvm-intrinsics.rs1
-rw-r--r--tests/codegen/catch-unwind.rs2
-rw-r--r--tests/codegen/enable-lto-unit-splitting.rs10
-rw-r--r--tests/codegen/fewer-names.rs14
-rw-r--r--tests/codegen/global_asm.rs1
-rw-r--r--tests/codegen/global_asm_include.rs1
-rw-r--r--tests/codegen/global_asm_x2.rs1
-rw-r--r--tests/codegen/issues/issue-73396-bounds-check-after-position.rs30
-rw-r--r--tests/codegen/loongarch-abi/call-llvm-intrinsics.rs31
-rw-r--r--tests/codegen/loongarch-abi/loongarch64-lp64d-abi.rs293
-rw-r--r--tests/codegen/mem-replace-big-type.rs19
-rw-r--r--tests/codegen/mem-replace-direct-memcpy.rs33
-rw-r--r--tests/codegen/mem-replace-simple-type.rs34
-rw-r--r--tests/codegen/nrvo.rs2
-rw-r--r--tests/codegen/repr-transparent-aggregates-1.rs1
-rw-r--r--tests/codegen/repr-transparent-aggregates-2.rs1
-rw-r--r--tests/codegen/repr-transparent.rs1
-rw-r--r--tests/codegen/sanitizer-cfi-add-canonical-jump-tables-flag.rs2
-rw-r--r--tests/codegen/sanitizer-cfi-add-enable-split-lto-unit-flag.rs11
-rw-r--r--tests/codegen/sanitizer-cfi-emit-type-checks-attr-no-sanitize.rs18
-rw-r--r--tests/codegen/sanitizer-cfi-emit-type-checks.rs3
-rw-r--r--tests/codegen/sanitizer-cfi-emit-type-metadata-attr-cfi-encoding.rs48
-rw-r--r--tests/codegen/sanitizer-cfi-emit-type-metadata-id-itanium-cxx-abi.rs319
-rw-r--r--tests/codegen/sanitizer-cfi-emit-type-metadata-itanium-cxx-abi-generalized.rs31
-rw-r--r--tests/codegen/sanitizer-cfi-emit-type-metadata-itanium-cxx-abi-normalized-generalized.rs31
-rw-r--r--tests/codegen/sanitizer-cfi-emit-type-metadata-itanium-cxx-abi-normalized.rs31
-rw-r--r--tests/codegen/sanitizer-cfi-emit-type-metadata-itanium-cxx-abi.rs6
-rw-r--r--tests/codegen/sanitizer-cfi-emit-type-metadata-trait-objects.rs44
-rw-r--r--tests/codegen/sanitizer-cfi-generalize-pointers.rs46
-rw-r--r--tests/codegen/sanitizer-cfi-normalize-integers.rs83
-rw-r--r--tests/codegen/sanitizer-kcfi-emit-kcfi-operand-bundle-attr-no-sanitize.rs30
-rw-r--r--tests/codegen/sanitizer-kcfi-emit-kcfi-operand-bundle-itanium-cxx-abi-generalized.rs44
-rw-r--r--tests/codegen/sanitizer-kcfi-emit-kcfi-operand-bundle-itanium-cxx-abi-normalized-generalized.rs44
-rw-r--r--tests/codegen/sanitizer-kcfi-emit-kcfi-operand-bundle-itanium-cxx-abi-normalized.rs44
-rw-r--r--tests/codegen/sanitizer-kcfi-emit-kcfi-operand-bundle-itanium-cxx-abi.rs12
-rw-r--r--tests/codegen/sanitizer-kcfi-emit-kcfi-operand-bundle.rs27
-rw-r--r--tests/codegen/sanitizer-kcfi-emit-type-metadata-trait-objects.rs69
-rw-r--r--tests/codegen/slice-iter-nonnull.rs77
-rw-r--r--tests/codegen/split-lto-unit.rs11
-rw-r--r--tests/codegen/vec-shrink-panik.rs4
-rw-r--r--tests/debuginfo/auxiliary/dependency-with-embedded-visualizers.rs1
-rw-r--r--tests/debuginfo/embedded-visualizer.rs1
-rw-r--r--tests/debuginfo/reference-debuginfo.rs173
-rw-r--r--tests/incremental/change_crate_dep_kind.rs1
-rw-r--r--tests/incremental/const-generic-type-cycle.rs17
-rw-r--r--tests/incremental/issue-80691-bad-eval-cache.rs1
-rw-r--r--tests/mir-opt/bool_compare.opt1.InstSimplify.diff (renamed from tests/mir-opt/bool_compare.opt1.InstCombine.diff)4
-rw-r--r--tests/mir-opt/bool_compare.opt2.InstSimplify.diff (renamed from tests/mir-opt/bool_compare.opt2.InstCombine.diff)4
-rw-r--r--tests/mir-opt/bool_compare.opt3.InstSimplify.diff (renamed from tests/mir-opt/bool_compare.opt3.InstCombine.diff)4
-rw-r--r--tests/mir-opt/bool_compare.opt4.InstSimplify.diff (renamed from tests/mir-opt/bool_compare.opt4.InstCombine.diff)4
-rw-r--r--tests/mir-opt/bool_compare.rs10
-rw-r--r--tests/mir-opt/building/async_await.b-{closure#0}.generator_resume.0.mir178
-rw-r--r--tests/mir-opt/building/custom/projections.copy_for_deref.built.after.mir12
-rw-r--r--tests/mir-opt/building/custom/projections.rs25
-rw-r--r--tests/mir-opt/building/custom/projections.tuples.built.after.mir8
-rw-r--r--tests/mir-opt/casts.redundant.InstSimplify.diff (renamed from tests/mir-opt/casts.redundant.InstCombine.diff)4
-rw-r--r--tests/mir-opt/casts.rs2
-rw-r--r--tests/mir-opt/combine_array_len.norm2.InstSimplify.diff (renamed from tests/mir-opt/combine_array_len.norm2.InstCombine.diff)4
-rw-r--r--tests/mir-opt/combine_array_len.rs4
-rw-r--r--tests/mir-opt/combine_clone_of_primitives.rs4
-rw-r--r--tests/mir-opt/combine_clone_of_primitives.{impl#0}-clone.InstSimplify.diff (renamed from tests/mir-opt/combine_clone_of_primitives.{impl#0}-clone.InstCombine.diff)4
-rw-r--r--tests/mir-opt/combine_transmutes.adt_transmutes.InstCombine.diff158
-rw-r--r--tests/mir-opt/combine_transmutes.adt_transmutes.InstSimplify.diff90
-rw-r--r--tests/mir-opt/combine_transmutes.identity_transmutes.InstSimplify.diff (renamed from tests/mir-opt/combine_transmutes.identity_transmutes.InstCombine.diff)4
-rw-r--r--tests/mir-opt/combine_transmutes.integer_transmutes.InstSimplify.diff (renamed from tests/mir-opt/combine_transmutes.integer_transmutes.InstCombine.diff)4
-rw-r--r--tests/mir-opt/combine_transmutes.rs30
-rw-r--r--tests/mir-opt/const_allocation.main.ConstProp.after.32bit.mir32
-rw-r--r--tests/mir-opt/const_allocation.main.ConstProp.after.64bit.mir36
-rw-r--r--tests/mir-opt/const_allocation2.main.ConstProp.after.32bit.mir30
-rw-r--r--tests/mir-opt/const_allocation2.main.ConstProp.after.64bit.mir32
-rw-r--r--tests/mir-opt/const_allocation3.main.ConstProp.after.32bit.mir16
-rw-r--r--tests/mir-opt/const_allocation3.main.ConstProp.after.64bit.mir14
-rw-r--r--tests/mir-opt/const_prop/address_of_pair.fn0.ConstProp.diff46
-rw-r--r--tests/mir-opt/const_prop/address_of_pair.rs17
-rw-r--r--tests/mir-opt/const_prop/bad_op_mod_by_zero.main.ConstProp.diff18
-rw-r--r--tests/mir-opt/const_prop/bad_op_mod_by_zero.rs1
-rw-r--r--tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.ConstProp.32bit.diff46
-rw-r--r--tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.ConstProp.64bit.diff46
-rw-r--r--tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.rs3
-rw-r--r--tests/mir-opt/const_prop/invalid_constant.main.ConstProp.diff22
-rw-r--r--tests/mir-opt/const_prop/invalid_constant.rs2
-rw-r--r--tests/mir-opt/const_prop/large_array_index.main.ConstProp.32bit.diff9
-rw-r--r--tests/mir-opt/const_prop/large_array_index.main.ConstProp.64bit.diff9
-rw-r--r--tests/mir-opt/const_prop/large_array_index.rs2
-rw-r--r--tests/mir-opt/const_prop/offset_of.concrete.ConstProp.diff16
-rw-r--r--tests/mir-opt/const_prop/offset_of.generic.ConstProp.diff8
-rw-r--r--tests/mir-opt/const_prop/reify_fn_ptr.main.ConstProp.diff23
-rw-r--r--tests/mir-opt/const_prop/reify_fn_ptr.rs1
-rw-r--r--tests/mir-opt/const_prop/repeat.main.ConstProp.32bit.diff6
-rw-r--r--tests/mir-opt/const_prop/repeat.main.ConstProp.64bit.diff6
-rw-r--r--tests/mir-opt/const_prop/repeat.rs5
-rw-r--r--tests/mir-opt/const_prop/return_place.add.PreCodegen.before.mir6
-rw-r--r--tests/mir-opt/const_prop/return_place.rs1
-rw-r--r--tests/mir-opt/const_prop/scalar_literal_propagation.main.ConstProp.diff14
-rw-r--r--tests/mir-opt/const_prop/scalar_literal_propagation.rs1
-rw-r--r--tests/mir-opt/const_prop/slice_len.rs2
-rw-r--r--tests/mir-opt/const_prop/switch_int.main.ConstProp.diff4
-rw-r--r--tests/mir-opt/const_prop/switch_int.main.SimplifyConstCondition-after-const-prop.diff4
-rw-r--r--tests/mir-opt/const_prop/switch_int.rs2
-rw-r--r--tests/mir-opt/const_prop/transmute.from_char.ConstProp.32bit.diff (renamed from tests/mir-opt/const_prop/transmute.from_char.ConstProp.diff)0
-rw-r--r--tests/mir-opt/const_prop/transmute.from_char.ConstProp.64bit.diff15
-rw-r--r--tests/mir-opt/const_prop/transmute.invalid_bool.ConstProp.32bit.diff (renamed from tests/mir-opt/const_prop/transmute.invalid_bool.ConstProp.diff)3
-rw-r--r--tests/mir-opt/const_prop/transmute.invalid_bool.ConstProp.64bit.diff15
-rw-r--r--tests/mir-opt/const_prop/transmute.invalid_char.ConstProp.32bit.diff (renamed from tests/mir-opt/const_prop/transmute.invalid_char.ConstProp.diff)3
-rw-r--r--tests/mir-opt/const_prop/transmute.invalid_char.ConstProp.64bit.diff15
-rw-r--r--tests/mir-opt/const_prop/transmute.less_as_i8.ConstProp.32bit.diff (renamed from tests/mir-opt/const_prop/transmute.less_as_i8.ConstProp.diff)0
-rw-r--r--tests/mir-opt/const_prop/transmute.less_as_i8.ConstProp.64bit.diff23
-rw-r--r--tests/mir-opt/const_prop/transmute.rs2
-rw-r--r--tests/mir-opt/const_prop/transmute.undef_union_as_integer.ConstProp.32bit.diff (renamed from tests/mir-opt/const_prop/transmute.undef_union_as_integer.ConstProp.diff)0
-rw-r--r--tests/mir-opt/const_prop/transmute.undef_union_as_integer.ConstProp.64bit.diff22
-rw-r--r--tests/mir-opt/const_prop/transmute.unreachable_box.ConstProp.32bit.diff (renamed from tests/mir-opt/const_prop/transmute.unreachable_box.ConstProp.diff)6
-rw-r--r--tests/mir-opt/const_prop/transmute.unreachable_box.ConstProp.64bit.diff27
-rw-r--r--tests/mir-opt/const_prop/transmute.unreachable_direct.ConstProp.32bit.diff (renamed from tests/mir-opt/const_prop/transmute.unreachable_direct.ConstProp.diff)0
-rw-r--r--tests/mir-opt/const_prop/transmute.unreachable_direct.ConstProp.64bit.diff25
-rw-r--r--tests/mir-opt/const_prop/transmute.unreachable_mut.ConstProp.32bit.diff (renamed from tests/mir-opt/const_prop/transmute.unreachable_mut.ConstProp.diff)6
-rw-r--r--tests/mir-opt/const_prop/transmute.unreachable_mut.ConstProp.64bit.diff31
-rw-r--r--tests/mir-opt/const_prop/transmute.unreachable_ref.ConstProp.32bit.diff (renamed from tests/mir-opt/const_prop/transmute.unreachable_ref.ConstProp.diff)6
-rw-r--r--tests/mir-opt/const_prop/transmute.unreachable_ref.ConstProp.64bit.diff27
-rw-r--r--tests/mir-opt/const_prop/transmute.valid_char.ConstProp.32bit.diff (renamed from tests/mir-opt/const_prop/transmute.valid_char.ConstProp.diff)0
-rw-r--r--tests/mir-opt/const_prop/transmute.valid_char.ConstProp.64bit.diff15
-rw-r--r--tests/mir-opt/const_prop/tuple_literal_propagation.main.ConstProp.diff13
-rw-r--r--tests/mir-opt/const_prop/tuple_literal_propagation.rs1
-rw-r--r--tests/mir-opt/const_prop/while_let_loops.change_loop_body.ConstProp.diff (renamed from tests/mir-opt/while_let_loops.change_loop_body.ConstProp.diff)27
-rw-r--r--tests/mir-opt/const_prop/while_let_loops.rs (renamed from tests/mir-opt/while_let_loops.rs)2
-rw-r--r--tests/mir-opt/const_prop_miscompile.bar.ConstProp.diff3
-rw-r--r--tests/mir-opt/const_prop_miscompile.foo.ConstProp.diff3
-rw-r--r--tests/mir-opt/copy-prop/borrowed_local.f.CopyProp.diff3
-rw-r--r--tests/mir-opt/copy-prop/copy_propagation_arg.arg_src.CopyProp.diff12
-rw-r--r--tests/mir-opt/copy-prop/partial_init.main.CopyProp.diff13
-rw-r--r--tests/mir-opt/copy-prop/partial_init.rs18
-rw-r--r--tests/mir-opt/dead-store-elimination/place_mention.main.DeadStoreElimination.diff25
-rw-r--r--tests/mir-opt/dead-store-elimination/place_mention.rs9
-rw-r--r--tests/mir-opt/dont_yeet_assert.generic.InstSimplify.diff (renamed from tests/mir-opt/dont_yeet_assert.generic.InstCombine.diff)4
-rw-r--r--tests/mir-opt/dont_yeet_assert.rs4
-rw-r--r--tests/mir-opt/equal_true.opt.InstSimplify.diff (renamed from tests/mir-opt/equal_true.opt.InstCombine.diff)4
-rw-r--r--tests/mir-opt/equal_true.rs4
-rw-r--r--tests/mir-opt/instsimplify_duplicate_switch_targets.assert_zero.InstSimplify.diff (renamed from tests/mir-opt/instcombine_duplicate_switch_targets.assert_zero.InstCombine.diff)16
-rw-r--r--tests/mir-opt/instsimplify_duplicate_switch_targets.rs (renamed from tests/mir-opt/instcombine_duplicate_switch_targets.rs)4
-rw-r--r--tests/mir-opt/intrinsic_asserts.generic.InstSimplify.diff (renamed from tests/mir-opt/intrinsic_asserts.generic.InstCombine.diff)4
-rw-r--r--tests/mir-opt/intrinsic_asserts.panics.InstSimplify.diff (renamed from tests/mir-opt/intrinsic_asserts.panics.InstCombine.diff)4
-rw-r--r--tests/mir-opt/intrinsic_asserts.removable.InstSimplify.diff (renamed from tests/mir-opt/intrinsic_asserts.removable.InstCombine.diff)4
-rw-r--r--tests/mir-opt/intrinsic_asserts.rs6
-rw-r--r--tests/mir-opt/issue_76432.test.SimplifyComparisonIntegral.diff15
-rw-r--r--tests/mir-opt/issue_78192.f.InstSimplify.diff (renamed from tests/mir-opt/issue_78192.f.InstCombine.diff)4
-rw-r--r--tests/mir-opt/issue_78192.rs2
-rw-r--r--tests/mir-opt/issue_99325.main.built.after.mir4
-rw-r--r--tests/mir-opt/lower_intrinsics.option_payload.LowerIntrinsics.diff4
-rw-r--r--tests/mir-opt/lower_intrinsics.ptr_offset.LowerIntrinsics.diff2
-rw-r--r--tests/mir-opt/lower_intrinsics.rs5
-rw-r--r--tests/mir-opt/lower_intrinsics.wrapping.LowerIntrinsics.diff8
-rw-r--r--tests/mir-opt/lower_intrinsics.write_via_move_string.LowerIntrinsics.diff36
-rw-r--r--tests/mir-opt/nll/region_subtyping_basic.main.nll.0.32bit.mir2
-rw-r--r--tests/mir-opt/nll/region_subtyping_basic.main.nll.0.64bit.mir2
-rw-r--r--tests/mir-opt/not_equal_false.opt.InstSimplify.diff (renamed from tests/mir-opt/not_equal_false.opt.InstCombine.diff)4
-rw-r--r--tests/mir-opt/not_equal_false.rs4
-rw-r--r--tests/mir-opt/nrvo_miscompile_111005.rs22
-rw-r--r--tests/mir-opt/nrvo_miscompile_111005.wrong.RenameReturnPlace.diff18
-rw-r--r--tests/mir-opt/pre-codegen/mem_replace.manual_replace.PreCodegen.after.mir16
-rw-r--r--tests/mir-opt/pre-codegen/mem_replace.mem_replace.PreCodegen.after.mir53
-rw-r--r--tests/mir-opt/pre-codegen/mem_replace.rs17
-rw-r--r--tests/mir-opt/pre-codegen/slice_index.slice_get_unchecked_mut_range.PreCodegen.after.mir2
-rw-r--r--tests/mir-opt/pre-codegen/slice_index.slice_index_range.PreCodegen.after.mir10
-rw-r--r--tests/mir-opt/pre-codegen/slice_iter.forward_loop.PreCodegen.after.mir178
-rw-r--r--tests/mir-opt/pre-codegen/slice_iter.reverse_loop.PreCodegen.after.mir146
-rw-r--r--tests/mir-opt/reference_prop.debuginfo.ReferencePropagation.diff175
-rw-r--r--tests/mir-opt/reference_prop.dominate_storage.ReferencePropagation.diff38
-rw-r--r--tests/mir-opt/reference_prop.maybe_dead.ReferencePropagation.diff56
-rw-r--r--tests/mir-opt/reference_prop.multiple_storage.ReferencePropagation.diff27
-rw-r--r--tests/mir-opt/reference_prop.mut_raw_then_mut_shr.ReferencePropagation.diff75
-rw-r--r--tests/mir-opt/reference_prop.read_through_raw.ReferencePropagation.diff23
-rw-r--r--tests/mir-opt/reference_prop.reference_propagation.ReferencePropagation.diff475
-rw-r--r--tests/mir-opt/reference_prop.reference_propagation_const_ptr.ReferencePropagation.diff536
-rw-r--r--tests/mir-opt/reference_prop.reference_propagation_mut.ReferencePropagation.diff472
-rw-r--r--tests/mir-opt/reference_prop.reference_propagation_mut_ptr.ReferencePropagation.diff482
-rw-r--r--tests/mir-opt/reference_prop.rs592
-rw-r--r--tests/mir-opt/reference_prop.unique_with_copies.ReferencePropagation.diff67
-rw-r--r--tests/mir-opt/slice_filter.rs2
-rw-r--r--tests/mir-opt/slice_filter.variant_a-{closure#0}.CopyProp.diff16
-rw-r--r--tests/mir-opt/slice_filter.variant_a-{closure#0}.DestinationPropagation.diff258
-rw-r--r--tests/mir-opt/slice_filter.variant_a-{closure#0}.ReferencePropagation.diff267
-rw-r--r--tests/mir-opt/slice_filter.variant_b-{closure#0}.ReferencePropagation.diff103
-rw-r--r--tests/mir-opt/uninhabited_enum.process_void.SimplifyLocals-final.after.mir5
-rw-r--r--tests/mir-opt/while_let_loops.change_loop_body.PreCodegen.after.mir17
-rw-r--r--tests/pretty/offset_of.rs4
-rw-r--r--tests/pretty/tests-are-sorted.pp1
-rw-r--r--tests/run-make-fulldeps/hotplug_codegen_backend/the_backend.rs2
-rw-r--r--tests/run-make-fulldeps/obtain-borrowck/driver.rs4
-rw-r--r--tests/run-make/branch-protection-check-IBT/Makefile15
-rw-r--r--tests/run-make/branch-protection-check-IBT/main.rs3
-rw-r--r--tests/run-make/c-unwind-abi-catch-lib-panic/Makefile1
-rw-r--r--tests/run-make/c-unwind-abi-catch-lib-panic/main.rs1
-rw-r--r--tests/run-make/c-unwind-abi-catch-lib-panic/panic.rs1
-rw-r--r--tests/run-make/c-unwind-abi-catch-panic/Makefile1
-rw-r--r--tests/run-make/c-unwind-abi-catch-panic/main.rs1
-rw-r--r--tests/run-make/const_fn_mir/Makefile1
-rw-r--r--tests/run-make/coverage-llvmir/filecheck.testprog.txt2
-rw-r--r--tests/run-make/coverage-reports/Makefile25
-rw-r--r--tests/run-make/coverage-reports/expected_show_coverage.async.txt4
-rw-r--r--tests/run-make/coverage-reports/expected_show_coverage.sort_groups.txt49
-rw-r--r--tests/run-make/coverage-reports/expected_show_coverage.test_harness.txt11
-rw-r--r--tests/run-make/coverage-reports/expected_show_coverage.uses_crate.txt16
-rw-r--r--tests/run-make/coverage-reports/expected_show_coverage.uses_inline_crate.txt14
-rw-r--r--tests/run-make/coverage-reports/sort_subviews.py50
-rw-r--r--tests/run-make/coverage/sort_groups.rs23
-rw-r--r--tests/run-make/coverage/test_harness.rs10
-rw-r--r--tests/run-make/debug-assertions/Makefile1
-rw-r--r--tests/run-make/forced-unwind-terminate-pof/Makefile9
-rw-r--r--tests/run-make/forced-unwind-terminate-pof/foo.rs17
-rw-r--r--tests/run-make/foreign-double-unwind/Makefile1
-rw-r--r--tests/run-make/foreign-double-unwind/foo.rs2
-rw-r--r--tests/run-make/foreign-exceptions/Makefile1
-rw-r--r--tests/run-make/foreign-exceptions/foo.rs2
-rw-r--r--tests/run-make/foreign-rust-exceptions/Makefile1
-rw-r--r--tests/run-make/foreign-rust-exceptions/bar.rs1
-rw-r--r--tests/run-make/foreign-rust-exceptions/foo.rs2
-rw-r--r--tests/run-make/issue-109934-lto-debuginfo/Makefile12
-rw-r--r--tests/run-make/issue-109934-lto-debuginfo/lib.rs9
-rw-r--r--tests/run-make/libtest-json/Makefile1
-rw-r--r--tests/run-make/libtest-junit/Makefile19
-rw-r--r--tests/run-make/libtest-junit/f.rs23
-rw-r--r--tests/run-make/libtest-junit/output-default.xml1
-rw-r--r--tests/run-make/libtest-junit/output-stdout-success.xml1
-rwxr-xr-xtests/run-make/libtest-junit/validate_junit.py12
-rw-r--r--tests/run-make/raw-dylib-alt-calling-convention/lib.rs1
-rw-r--r--tests/run-make/raw-dylib-c/lib.rs2
-rw-r--r--tests/run-make/raw-dylib-cross-compilation/lib.rs1
-rw-r--r--tests/run-make/raw-dylib-custom-dlltool/Makefile11
-rw-r--r--tests/run-make/raw-dylib-custom-dlltool/lib.rs10
-rw-r--r--tests/run-make/raw-dylib-custom-dlltool/output.txt1
-rw-r--r--tests/run-make/raw-dylib-custom-dlltool/script.cmd2
-rw-r--r--tests/run-make/raw-dylib-import-name-type/driver.rs1
-rw-r--r--tests/run-make/raw-dylib-inline-cross-dylib/driver.rs2
-rw-r--r--tests/run-make/raw-dylib-inline-cross-dylib/lib.rs2
-rw-r--r--tests/run-make/raw-dylib-link-ordinal/lib.rs2
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1238 files changed, 16495 insertions, 5375 deletions
diff --git a/tests/assembly/slice-is_ascii.rs b/tests/assembly/slice-is_ascii.rs
new file mode 100644
index 00000000000..b3e1fee15a7
--- /dev/null
+++ b/tests/assembly/slice-is_ascii.rs
@@ -0,0 +1,35 @@
+// revisions: WIN LIN
+// [WIN] only-windows
+// [LIN] only-linux
+// assembly-output: emit-asm
+// compile-flags: --crate-type=lib -O -C llvm-args=-x86-asm-syntax=intel
+// min-llvm-version: 14
+// only-x86_64
+// ignore-sgx
+// ignore-debug
+
+#![feature(str_internals)]
+
+// CHECK-LABEL: is_ascii_simple_demo:
+#[no_mangle]
+pub fn is_ascii_simple_demo(bytes: &[u8]) -> bool {
+    // Linux (System V): pointer is rdi; length is rsi
+    // Windows: pointer is rcx; length is rdx.
+
+    // CHECK-NOT: mov
+    // CHECK-NOT: test
+    // CHECK-NOT: cmp
+
+    // CHECK: .[[LOOPHEAD:.+]]:
+    // CHECK-NEXT: mov [[TEMP:.+]], [[LEN:rsi|rdx]]
+    // CHECK-NEXT: sub [[LEN]], 1
+    // CHECK-NEXT: jb .[[LOOPEXIT:.+]]
+    // CHECK-NEXT: cmp byte ptr [{{rdi|rcx}} + [[TEMP]] - 1], 0
+    // CHECK-NEXT: jns .[[LOOPHEAD]]
+
+    // CHECK-NEXT: .[[LOOPEXIT]]:
+    // CHECK-NEXT: test [[TEMP]], [[TEMP]]
+    // CHECK-NEXT: sete al
+    // CHECK-NEXT: ret
+    core::slice::is_ascii_simple(bytes)
+}
diff --git a/tests/codegen/abi-main-signature-16bit-c-int.rs b/tests/codegen/abi-main-signature-16bit-c-int.rs
index 3548cc06a5b..353e7489b55 100644
--- a/tests/codegen/abi-main-signature-16bit-c-int.rs
+++ b/tests/codegen/abi-main-signature-16bit-c-int.rs
@@ -17,6 +17,7 @@
 // ignore-wasm32
 // ignore-x86
 // ignore-x86_64
+// ignore-loongarch64
 
 fn main() {
 }
diff --git a/tests/codegen/addr-of-mutate.rs b/tests/codegen/addr-of-mutate.rs
new file mode 100644
index 00000000000..bea1aad2352
--- /dev/null
+++ b/tests/codegen/addr-of-mutate.rs
@@ -0,0 +1,34 @@
+// compile-flags: -C opt-level=3 -C no-prepopulate-passes
+// min-llvm-version: 15.0 (for opaque pointers)
+
+#![crate_type = "lib"]
+
+// Test for the absence of `readonly` on the argument when it is mutated via `&raw const`.
+// See <https://github.com/rust-lang/rust/issues/111502>.
+
+// CHECK: i8 @foo(ptr noalias nocapture noundef dereferenceable(128) %x)
+#[no_mangle]
+pub fn foo(x: [u8; 128]) -> u8 {
+    let ptr = core::ptr::addr_of!(x).cast_mut();
+    unsafe {
+        (*ptr)[0] = 1;
+    }
+    x[0]
+}
+
+// CHECK: i1 @second(ptr noalias nocapture noundef dereferenceable({{[0-9]+}}) %a_ptr_and_b)
+#[no_mangle]
+pub unsafe fn second(a_ptr_and_b: (*mut (i32, bool), (i64, bool))) -> bool {
+    let b_bool_ptr = core::ptr::addr_of!(a_ptr_and_b.1.1).cast_mut();
+    (*b_bool_ptr) = true;
+    a_ptr_and_b.1.1
+}
+
+// If going through a deref (and there are no other mutating accesses), then `readonly` is fine.
+// CHECK: i1 @third(ptr noalias nocapture noundef readonly dereferenceable({{[0-9]+}}) %a_ptr_and_b)
+#[no_mangle]
+pub unsafe fn third(a_ptr_and_b: (*mut (i32, bool), (i64, bool))) -> bool {
+    let b_bool_ptr = core::ptr::addr_of!((*a_ptr_and_b.0).1).cast_mut();
+    (*b_bool_ptr) = true;
+    a_ptr_and_b.1.1
+}
diff --git a/tests/codegen/align-offset.rs b/tests/codegen/align-offset.rs
new file mode 100644
index 00000000000..7c7660c5a55
--- /dev/null
+++ b/tests/codegen/align-offset.rs
@@ -0,0 +1,78 @@
+// compile-flags: -O
+// min-llvm-version: 15.0 (because we're using opaque pointers)
+// ignore-debug (debug assertions in `slice::from_raw_parts` block optimizations)
+
+#![crate_type = "lib"]
+
+// CHECK-LABEL: @align8
+#[no_mangle]
+pub fn align8(p: *const u8) -> bool {
+    // CHECK: ret i1 true
+    p.align_offset(8) < 8
+}
+
+#[repr(align(4))]
+pub struct Align4([u8; 4]);
+
+// CHECK-LABEL: @align_to4
+#[no_mangle]
+pub fn align_to4(x: &[u8]) -> bool {
+    // CHECK: ret i1 true
+    let (prefix, _middle, suffix) = unsafe { x.align_to::<Align4>() };
+    prefix.len() < 4 && suffix.len() < 4
+}
+
+// CHECK-LABEL: @align_offset_byte_ptr(ptr{{.+}}%ptr)
+#[no_mangle]
+pub fn align_offset_byte_ptr(ptr: *const u8) -> usize {
+    // CHECK: %[[ADDR:.+]] = ptrtoint ptr %ptr to [[USIZE:i[0-9]+]]
+    // CHECK: %[[UP:.+]] = add [[USIZE]] %[[ADDR]], 31
+    // CHECK: %[[ALIGNED:.+]] = and [[USIZE]] %[[UP]], -32
+    // CHECK: %[[OFFSET:.+]] = sub [[USIZE]] %[[ALIGNED]], %[[ADDR]]
+
+    // Since we're offsetting a byte pointer, there's no further fixups
+    // CHECK-NOT: shr
+    // CHECK-NOT: div
+    // CHECK-NOT: select
+
+    // CHECK: ret [[USIZE]] %[[OFFSET]]
+    ptr.align_offset(32)
+}
+
+// CHECK-LABEL: @align_offset_word_slice(ptr{{.+}}align 4{{.+}}%slice.0
+#[no_mangle]
+pub fn align_offset_word_slice(slice: &[Align4]) -> usize {
+    // CHECK: %[[ADDR:.+]] = ptrtoint ptr %slice.0 to [[USIZE]]
+    // CHECK: %[[UP:.+]] = add [[USIZE]] %[[ADDR]], 31
+    // CHECK: %[[ALIGNED:.+]] = and [[USIZE]] %[[UP]], -32
+    // CHECK: %[[BOFFSET:.+]] = sub [[USIZE]] %[[ALIGNED]], %[[ADDR]]
+    // CHECK: %[[OFFSET:.+]] = lshr exact [[USIZE]] %[[BOFFSET]], 2
+
+    // Slices are known to be aligned, so we don't need the "maybe -1" path
+    // CHECK-NOT: select
+
+    // CHECK: ret [[USIZE]] %[[OFFSET]]
+    slice.as_ptr().align_offset(32)
+}
+
+
+// CHECK-LABEL: @align_offset_word_ptr(ptr{{.+}}%ptr
+#[no_mangle]
+pub fn align_offset_word_ptr(ptr: *const Align4) -> usize {
+    // CHECK: %[[ADDR:.+]] = ptrtoint ptr %ptr to [[USIZE]]
+    // CHECK: %[[UP:.+]] = add [[USIZE]] %[[ADDR]], 31
+    // CHECK: %[[ALIGNED:.+]] = and [[USIZE]] %[[UP]], -32
+    // CHECK: %[[BOFFSET:.+]] = sub [[USIZE]] %[[ALIGNED]], %[[ADDR]]
+
+    // While we can always get a *byte* offset that will work, if the original
+    // pointer is unaligned it might be impossible to return an *element* offset
+    // that will make it aligned. We want it to be a `select`, not a `br`, so
+    // that the assembly will be branchless.
+    // CHECK: %[[LOW:.+]] = and [[USIZE]] %[[ADDR]], 3
+    // CHECK: %[[ORIGINAL_ALIGNED:.+]] = icmp eq [[USIZE]] %[[LOW]], 0
+    // CHECK: %[[OFFSET:.+]] = lshr exact [[USIZE]] %[[BOFFSET]], 2
+    // CHECK: %[[R:.+]] = select i1 %[[ORIGINAL_ALIGNED]], [[USIZE]] %[[OFFSET]], [[USIZE]] -1
+
+    // CHECK: ret [[USIZE]] %[[R]]
+    ptr.align_offset(32)
+}
diff --git a/tests/codegen/ascii-char.rs b/tests/codegen/ascii-char.rs
new file mode 100644
index 00000000000..4167becf5e9
--- /dev/null
+++ b/tests/codegen/ascii-char.rs
@@ -0,0 +1,37 @@
+// compile-flags: -C opt-level=1
+// ignore-debug (the extra assertions get in the way)
+
+#![crate_type = "lib"]
+#![feature(ascii_char)]
+
+use std::ascii::Char as AsciiChar;
+
+// CHECK-LABEL: i8 @unwrap_digit_from_remainder(i32
+#[no_mangle]
+pub fn unwrap_digit_from_remainder(v: u32) -> AsciiChar {
+    // CHECK-NOT: icmp
+    // CHECK-NOT: panic
+
+    // CHECK: %[[R:.+]] = urem i32 %v, 10
+    // CHECK-NEXT: %[[T:.+]] = trunc i32 %[[R]] to i8
+    // CHECK-NEXT: %[[D:.+]] = or i8 %[[T]], 48
+    // CHECK-NEXT: ret i8 %[[D]]
+
+    // CHECK-NOT: icmp
+    // CHECK-NOT: panic
+    AsciiChar::digit((v % 10) as u8).unwrap()
+}
+
+// CHECK-LABEL: i8 @unwrap_from_masked(i8
+#[no_mangle]
+pub fn unwrap_from_masked(b: u8) -> AsciiChar {
+    // CHECK-NOT: icmp
+    // CHECK-NOT: panic
+
+    // CHECK: %[[M:.+]] = and i8 %b, 127
+    // CHECK-NEXT: ret i8 %[[M]]
+
+    // CHECK-NOT: icmp
+    // CHECK-NOT: panic
+    AsciiChar::from_u8(b & 0x7f).unwrap()
+}
diff --git a/tests/codegen/binary-search-index-no-bound-check.rs b/tests/codegen/binary-search-index-no-bound-check.rs
index c1766a4a44a..595969a8979 100644
--- a/tests/codegen/binary-search-index-no-bound-check.rs
+++ b/tests/codegen/binary-search-index-no-bound-check.rs
@@ -9,7 +9,9 @@
 #[no_mangle]
 pub fn binary_search_index_no_bounds_check(s: &[u8]) -> u8 {
     // CHECK-NOT: panic
-    // CHECK-NOT: slice_index_len_fail
+    // CHECK-NOT: slice_start_index_len_fail
+    // CHECK-NOT: slice_end_index_len_fail
+    // CHECK-NOT: panic_bounds_check
     if let Ok(idx) = s.binary_search(&b'\\') {
         s[idx]
     } else {
diff --git a/tests/codegen/call-llvm-intrinsics.rs b/tests/codegen/call-llvm-intrinsics.rs
index cb8abae198e..11f2917717c 100644
--- a/tests/codegen/call-llvm-intrinsics.rs
+++ b/tests/codegen/call-llvm-intrinsics.rs
@@ -1,6 +1,7 @@
 // compile-flags: -C no-prepopulate-passes -Copt-level=0
 
 // ignore-riscv64
+// ignore-loongarch64
 
 #![feature(link_llvm_intrinsics)]
 #![crate_type = "lib"]
diff --git a/tests/codegen/catch-unwind.rs b/tests/codegen/catch-unwind.rs
index b90ef104ce7..6b63b83ef45 100644
--- a/tests/codegen/catch-unwind.rs
+++ b/tests/codegen/catch-unwind.rs
@@ -10,6 +10,8 @@
 // ignore-riscv64 FIXME
 // On s390x the closure is also in another function
 // ignore-s390x FIXME
+// On loongarch64 the closure is also in another function
+// ignore-loongarch64 FIXME
 
 #![crate_type = "lib"]
 #![feature(c_unwind)]
diff --git a/tests/codegen/enable-lto-unit-splitting.rs b/tests/codegen/enable-lto-unit-splitting.rs
new file mode 100644
index 00000000000..7daa05f69d1
--- /dev/null
+++ b/tests/codegen/enable-lto-unit-splitting.rs
@@ -0,0 +1,10 @@
+// Verifies that "EnableSplitLTOUnit" module flag is added.
+//
+// compile-flags: -Clto -Ctarget-feature=-crt-static -Zsplit-lto-unit
+
+#![crate_type="lib"]
+
+pub fn foo() {
+}
+
+// CHECK: !{{[0-9]+}} = !{i32 4, !"EnableSplitLTOUnit", i32 1}
diff --git a/tests/codegen/fewer-names.rs b/tests/codegen/fewer-names.rs
index 7f383a5c149..a09c795924c 100644
--- a/tests/codegen/fewer-names.rs
+++ b/tests/codegen/fewer-names.rs
@@ -7,14 +7,14 @@
 
 #[no_mangle]
 pub fn sum(x: u32, y: u32) -> u32 {
-// YES-LABEL: define{{.*}}i32 @sum(i32 noundef %0, i32 noundef %1)
-// YES-NEXT:    %3 = add i32 %1, %0
-// YES-NEXT:    ret i32 %3
+    // YES-LABEL: define{{.*}}i32 @sum(i32 noundef %0, i32 noundef %1)
+    // YES-NEXT:    %3 = add i32 %1, %0
+    // YES-NEXT:    ret i32 %3
 
-// NO-LABEL: define{{.*}}i32 @sum(i32 noundef %x, i32 noundef %y)
-// NO-NEXT:  start:
-// NO-NEXT:    %0 = add i32 %y, %x
-// NO-NEXT:    ret i32 %0
+    // NO-LABEL: define{{.*}}i32 @sum(i32 noundef %x, i32 noundef %y)
+    // NO-NEXT:  start:
+    // NO-NEXT:    %0 = add i32 %y, %x
+    // NO-NEXT:    ret i32 %0
     let z = x + y;
     z
 }
diff --git a/tests/codegen/global_asm.rs b/tests/codegen/global_asm.rs
index 9912b1e75bf..41a99530ad2 100644
--- a/tests/codegen/global_asm.rs
+++ b/tests/codegen/global_asm.rs
@@ -18,6 +18,7 @@
 // ignore-wasm32
 // ignore-wasm64
 // ignore-emscripten
+// ignore-loongarch64
 // compile-flags: -C no-prepopulate-passes
 
 #![crate_type = "lib"]
diff --git a/tests/codegen/global_asm_include.rs b/tests/codegen/global_asm_include.rs
index b68c5ad3b9d..e25c164f407 100644
--- a/tests/codegen/global_asm_include.rs
+++ b/tests/codegen/global_asm_include.rs
@@ -18,6 +18,7 @@
 // ignore-wasm32
 // ignore-wasm64
 // ignore-emscripten
+// ignore-loongarch64
 // compile-flags: -C no-prepopulate-passes
 
 #![crate_type = "lib"]
diff --git a/tests/codegen/global_asm_x2.rs b/tests/codegen/global_asm_x2.rs
index d87e02befb9..71ecef124f1 100644
--- a/tests/codegen/global_asm_x2.rs
+++ b/tests/codegen/global_asm_x2.rs
@@ -18,6 +18,7 @@
 // ignore-wasm32
 // ignore-wasm64
 // ignore-emscripten
+// ignore-loongarch64
 // compile-flags: -C no-prepopulate-passes
 
 #![crate_type = "lib"]
diff --git a/tests/codegen/issues/issue-73396-bounds-check-after-position.rs b/tests/codegen/issues/issue-73396-bounds-check-after-position.rs
index 8d07a67a1b4..2d779788791 100644
--- a/tests/codegen/issues/issue-73396-bounds-check-after-position.rs
+++ b/tests/codegen/issues/issue-73396-bounds-check-after-position.rs
@@ -9,7 +9,10 @@
 #[no_mangle]
 pub fn position_slice_to_no_bounds_check(s: &[u8]) -> &[u8] {
     // CHECK-NOT: panic
-    // CHECK-NOT: slice_index_len_fail
+    // CHECK-NOT: slice_start_index_len_fail
+    // CHECK-NOT: slice_end_index_len_fail
+    // CHECK-NOT: panic_bounds_check
+    // CHECK-NOT: unreachable
     if let Some(idx) = s.iter().position(|b| *b == b'\\') {
         &s[..idx]
     } else {
@@ -21,7 +24,10 @@ pub fn position_slice_to_no_bounds_check(s: &[u8]) -> &[u8] {
 #[no_mangle]
 pub fn position_slice_from_no_bounds_check(s: &[u8]) -> &[u8] {
     // CHECK-NOT: panic
-    // CHECK-NOT: slice_index_len_fail
+    // CHECK-NOT: slice_start_index_len_fail
+    // CHECK-NOT: slice_end_index_len_fail
+    // CHECK-NOT: panic_bounds_check
+    // CHECK-NOT: unreachable
     if let Some(idx) = s.iter().position(|b| *b == b'\\') {
         &s[idx..]
     } else {
@@ -33,7 +39,10 @@ pub fn position_slice_from_no_bounds_check(s: &[u8]) -> &[u8] {
 #[no_mangle]
 pub fn position_index_no_bounds_check(s: &[u8]) -> u8 {
     // CHECK-NOT: panic
-    // CHECK-NOT: slice_index_len_fail
+    // CHECK-NOT: slice_start_index_len_fail
+    // CHECK-NOT: slice_end_index_len_fail
+    // CHECK-NOT: panic_bounds_check
+    // CHECK-NOT: unreachable
     if let Some(idx) = s.iter().position(|b| *b == b'\\') {
         s[idx]
     } else {
@@ -44,7 +53,10 @@ pub fn position_index_no_bounds_check(s: &[u8]) -> u8 {
 #[no_mangle]
 pub fn rposition_slice_to_no_bounds_check(s: &[u8]) -> &[u8] {
     // CHECK-NOT: panic
-    // CHECK-NOT: slice_index_len_fail
+    // CHECK-NOT: slice_start_index_len_fail
+    // CHECK-NOT: slice_end_index_len_fail
+    // CHECK-NOT: panic_bounds_check
+    // CHECK-NOT: unreachable
     if let Some(idx) = s.iter().rposition(|b| *b == b'\\') {
         &s[..idx]
     } else {
@@ -56,7 +68,10 @@ pub fn rposition_slice_to_no_bounds_check(s: &[u8]) -> &[u8] {
 #[no_mangle]
 pub fn rposition_slice_from_no_bounds_check(s: &[u8]) -> &[u8] {
     // CHECK-NOT: panic
-    // CHECK-NOT: slice_index_len_fail
+    // CHECK-NOT: slice_start_index_len_fail
+    // CHECK-NOT: slice_end_index_len_fail
+    // CHECK-NOT: panic_bounds_check
+    // CHECK-NOT: unreachable
     if let Some(idx) = s.iter().rposition(|b| *b == b'\\') {
         &s[idx..]
     } else {
@@ -68,7 +83,10 @@ pub fn rposition_slice_from_no_bounds_check(s: &[u8]) -> &[u8] {
 #[no_mangle]
 pub fn rposition_index_no_bounds_check(s: &[u8]) -> u8 {
     // CHECK-NOT: panic
-    // CHECK-NOT: slice_index_len_fail
+    // CHECK-NOT: slice_start_index_len_fail
+    // CHECK-NOT: slice_end_index_len_fail
+    // CHECK-NOT: panic_bounds_check
+    // CHECK-NOT: unreachable
     if let Some(idx) = s.iter().rposition(|b| *b == b'\\') {
         s[idx]
     } else {
diff --git a/tests/codegen/loongarch-abi/call-llvm-intrinsics.rs b/tests/codegen/loongarch-abi/call-llvm-intrinsics.rs
new file mode 100644
index 00000000000..4b78f6e24f7
--- /dev/null
+++ b/tests/codegen/loongarch-abi/call-llvm-intrinsics.rs
@@ -0,0 +1,31 @@
+// compile-flags: -C no-prepopulate-passes
+
+// only-loongarch64
+
+#![feature(link_llvm_intrinsics)]
+#![crate_type = "lib"]
+
+struct A;
+
+impl Drop for A {
+    fn drop(&mut self) {
+        println!("A");
+    }
+}
+
+extern "C" {
+    #[link_name = "llvm.sqrt.f32"]
+    fn sqrt(x: f32) -> f32;
+}
+
+pub fn do_call() {
+    let _a = A;
+
+    unsafe {
+        // Ensure that we `call` LLVM intrinsics instead of trying to `invoke` them
+        // CHECK: store float 4.000000e+00, ptr %{{.}}, align 4
+        // CHECK: load float, ptr %{{.}}, align 4
+        // CHECK: call float @llvm.sqrt.f32(float %{{.}}
+        sqrt(4.0);
+    }
+}
diff --git a/tests/codegen/loongarch-abi/loongarch64-lp64d-abi.rs b/tests/codegen/loongarch-abi/loongarch64-lp64d-abi.rs
new file mode 100644
index 00000000000..7555553c2c5
--- /dev/null
+++ b/tests/codegen/loongarch-abi/loongarch64-lp64d-abi.rs
@@ -0,0 +1,293 @@
+// compile-flags: -C no-prepopulate-passes
+// only-loongarch64
+// only-linux
+
+#![crate_type = "lib"]
+
+// CHECK: define void @f_fpr_tracking(double %0, double %1, double %2, double %3, double %4, double %5, double %6, double %7, i8 noundef zeroext %i)
+#[no_mangle]
+pub extern "C" fn f_fpr_tracking(
+    a: f64,
+    b: f64,
+    c: f64,
+    d: f64,
+    e: f64,
+    f: f64,
+    g: f64,
+    h: f64,
+    i: u8,
+) {
+}
+
+#[repr(C)]
+pub struct Double {
+    f: f64,
+}
+
+#[repr(C)]
+pub struct DoubleDouble {
+    f: f64,
+    g: f64,
+}
+
+#[repr(C)]
+pub struct DoubleFloat {
+    f: f64,
+    g: f32,
+}
+
+// CHECK: define void @f_double_s_arg(double %0)
+#[no_mangle]
+pub extern "C" fn f_double_s_arg(a: Double) {}
+
+// CHECK: define double @f_ret_double_s()
+#[no_mangle]
+pub extern "C" fn f_ret_double_s() -> Double {
+    Double { f: 1. }
+}
+
+// CHECK: define void @f_double_double_s_arg({ double, double } %0)
+#[no_mangle]
+pub extern "C" fn f_double_double_s_arg(a: DoubleDouble) {}
+
+// CHECK: define { double, double } @f_ret_double_double_s()
+#[no_mangle]
+pub extern "C" fn f_ret_double_double_s() -> DoubleDouble {
+    DoubleDouble { f: 1., g: 2. }
+}
+
+// CHECK: define void @f_double_float_s_arg({ double, float } %0)
+#[no_mangle]
+pub extern "C" fn f_double_float_s_arg(a: DoubleFloat) {}
+
+// CHECK: define { double, float } @f_ret_double_float_s()
+#[no_mangle]
+pub extern "C" fn f_ret_double_float_s() -> DoubleFloat {
+    DoubleFloat { f: 1., g: 2. }
+}
+
+// CHECK: define void @f_double_double_s_arg_insufficient_fprs(double %0, double %1, double %2, double %3, double %4, double %5, double %6, [2 x i64] %7)
+#[no_mangle]
+pub extern "C" fn f_double_double_s_arg_insufficient_fprs(
+    a: f64,
+    b: f64,
+    c: f64,
+    d: f64,
+    e: f64,
+    f: f64,
+    g: f64,
+    h: DoubleDouble,
+) {
+}
+
+#[repr(C)]
+pub struct DoubleInt8 {
+    f: f64,
+    i: i8,
+}
+
+#[repr(C)]
+pub struct DoubleUInt8 {
+    f: f64,
+    i: u8,
+}
+
+#[repr(C)]
+pub struct DoubleInt32 {
+    f: f64,
+    i: i32,
+}
+
+#[repr(C)]
+pub struct DoubleInt64 {
+    f: f64,
+    i: i64,
+}
+
+// CHECK: define void @f_double_int8_s_arg({ double, i8 } %0)
+#[no_mangle]
+pub extern "C" fn f_double_int8_s_arg(a: DoubleInt8) {}
+
+// CHECK: define { double, i8 } @f_ret_double_int8_s()
+#[no_mangle]
+pub extern "C" fn f_ret_double_int8_s() -> DoubleInt8 {
+    DoubleInt8 { f: 1., i: 2 }
+}
+
+// CHECK: define void @f_double_int32_s_arg({ double, i32 } %0)
+#[no_mangle]
+pub extern "C" fn f_double_int32_s_arg(a: DoubleInt32) {}
+
+// CHECK: define { double, i32 } @f_ret_double_int32_s()
+#[no_mangle]
+pub extern "C" fn f_ret_double_int32_s() -> DoubleInt32 {
+    DoubleInt32 { f: 1., i: 2 }
+}
+
+// CHECK: define void @f_double_uint8_s_arg({ double, i8 } %0)
+#[no_mangle]
+pub extern "C" fn f_double_uint8_s_arg(a: DoubleUInt8) {}
+
+// CHECK: define { double, i8 } @f_ret_double_uint8_s()
+#[no_mangle]
+pub extern "C" fn f_ret_double_uint8_s() -> DoubleUInt8 {
+    DoubleUInt8 { f: 1., i: 2 }
+}
+
+// CHECK: define void @f_double_int64_s_arg({ double, i64 } %0)
+#[no_mangle]
+pub extern "C" fn f_double_int64_s_arg(a: DoubleInt64) {}
+
+// CHECK: define { double, i64 } @f_ret_double_int64_s()
+#[no_mangle]
+pub extern "C" fn f_ret_double_int64_s() -> DoubleInt64 {
+    DoubleInt64 { f: 1., i: 2 }
+}
+
+// CHECK: define void @f_double_int8_s_arg_insufficient_gprs(i32 noundef signext %a, i32 noundef signext %b, i32 noundef signext %c, i32 noundef signext %d, i32 noundef signext %e, i32 noundef signext %f, i32 noundef signext %g, i32 noundef signext %h, [2 x i64] %0)
+#[no_mangle]
+pub extern "C" fn f_double_int8_s_arg_insufficient_gprs(
+    a: i32,
+    b: i32,
+    c: i32,
+    d: i32,
+    e: i32,
+    f: i32,
+    g: i32,
+    h: i32,
+    i: DoubleInt8,
+) {
+}
+
+// CHECK: define void @f_struct_double_int8_insufficient_fprs(float %0, double %1, double %2, double %3, double %4, double %5, double %6, double %7, [2 x i64] %8)
+#[no_mangle]
+pub extern "C" fn f_struct_double_int8_insufficient_fprs(
+    a: f32,
+    b: f64,
+    c: f64,
+    d: f64,
+    e: f64,
+    f: f64,
+    g: f64,
+    h: f64,
+    i: DoubleInt8,
+) {
+}
+
+#[repr(C)]
+pub struct DoubleArr1 {
+    a: [f64; 1],
+}
+
+// CHECK: define void @f_doublearr1_s_arg(double %0)
+#[no_mangle]
+pub extern "C" fn f_doublearr1_s_arg(a: DoubleArr1) {}
+
+// CHECK: define double @f_ret_doublearr1_s()
+#[no_mangle]
+pub extern "C" fn f_ret_doublearr1_s() -> DoubleArr1 {
+    DoubleArr1 { a: [1.] }
+}
+
+#[repr(C)]
+pub struct DoubleArr2 {
+    a: [f64; 2],
+}
+
+// CHECK: define void @f_doublearr2_s_arg({ double, double } %0)
+#[no_mangle]
+pub extern "C" fn f_doublearr2_s_arg(a: DoubleArr2) {}
+
+// CHECK: define { double, double } @f_ret_doublearr2_s()
+#[no_mangle]
+pub extern "C" fn f_ret_doublearr2_s() -> DoubleArr2 {
+    DoubleArr2 { a: [1., 2.] }
+}
+
+#[repr(C)]
+pub struct Tricky1 {
+    f: [f64; 1],
+}
+
+#[repr(C)]
+pub struct DoubleArr2Tricky1 {
+    g: [Tricky1; 2],
+}
+
+// CHECK: define void @f_doublearr2_tricky1_s_arg({ double, double } %0)
+#[no_mangle]
+pub extern "C" fn f_doublearr2_tricky1_s_arg(a: DoubleArr2Tricky1) {}
+
+// CHECK: define { double, double } @f_ret_doublearr2_tricky1_s()
+#[no_mangle]
+pub extern "C" fn f_ret_doublearr2_tricky1_s() -> DoubleArr2Tricky1 {
+    DoubleArr2Tricky1 { g: [Tricky1 { f: [1.] }, Tricky1 { f: [2.] }] }
+}
+
+#[repr(C)]
+pub struct EmptyStruct {}
+
+#[repr(C)]
+pub struct DoubleArr2Tricky2 {
+    s: EmptyStruct,
+    g: [Tricky1; 2],
+}
+
+// CHECK: define void @f_doublearr2_tricky2_s_arg({ double, double } %0)
+#[no_mangle]
+pub extern "C" fn f_doublearr2_tricky2_s_arg(a: DoubleArr2Tricky2) {}
+
+// CHECK: define { double, double } @f_ret_doublearr2_tricky2_s()
+#[no_mangle]
+pub extern "C" fn f_ret_doublearr2_tricky2_s() -> DoubleArr2Tricky2 {
+    DoubleArr2Tricky2 { s: EmptyStruct {}, g: [Tricky1 { f: [1.] }, Tricky1 { f: [2.] }] }
+}
+
+#[repr(C)]
+pub struct IntDoubleInt {
+    a: i32,
+    b: f64,
+    c: i32,
+}
+
+// CHECK: define void @f_int_double_int_s_arg(ptr noalias nocapture noundef dereferenceable(24) %a)
+#[no_mangle]
+pub extern "C" fn f_int_double_int_s_arg(a: IntDoubleInt) {}
+
+// CHECK: define void @f_ret_int_double_int_s(ptr noalias nocapture noundef sret(%IntDoubleInt) dereferenceable(24) %0)
+#[no_mangle]
+pub extern "C" fn f_ret_int_double_int_s() -> IntDoubleInt {
+    IntDoubleInt { a: 1, b: 2., c: 3 }
+}
+
+#[repr(C)]
+pub struct CharCharDouble {
+    a: u8,
+    b: u8,
+    c: f64,
+}
+
+// CHECK: define void @f_char_char_double_s_arg([2 x i64] %0)
+#[no_mangle]
+pub extern "C" fn f_char_char_double_s_arg(a: CharCharDouble) {}
+
+// CHECK: define [2 x i64] @f_ret_char_char_double_s()
+#[no_mangle]
+pub extern "C" fn f_ret_char_char_double_s() -> CharCharDouble {
+    CharCharDouble { a: 1, b: 2, c: 3. }
+}
+
+#[repr(C)]
+pub union DoubleU {
+    a: f64,
+}
+
+// CHECK: define void @f_double_u_arg(i64 %0)
+#[no_mangle]
+pub extern "C" fn f_double_u_arg(a: DoubleU) {}
+
+// CHECK: define i64 @f_ret_double_u()
+#[no_mangle]
+pub extern "C" fn f_ret_double_u() -> DoubleU {
+    unsafe { DoubleU { a: 1. } }
+}
diff --git a/tests/codegen/mem-replace-big-type.rs b/tests/codegen/mem-replace-big-type.rs
index f6898e2f758..c6b920cf599 100644
--- a/tests/codegen/mem-replace-big-type.rs
+++ b/tests/codegen/mem-replace-big-type.rs
@@ -11,7 +11,9 @@
 #[repr(C, align(8))]
 pub struct Big([u64; 7]);
 pub fn replace_big(dst: &mut Big, src: Big) -> Big {
-    // Before the `read_via_copy` intrinsic, this emitted six `memcpy`s.
+    // Back in 1.68, this emitted six `memcpy`s.
+    // `read_via_copy` in 1.69 got that down to three.
+    // `write_via_move` and nvro get this down to the essential two.
     std::mem::replace(dst, src)
 }
 
@@ -22,15 +24,10 @@ pub fn replace_big(dst: &mut Big, src: Big) -> Big {
 
 // For a large type, we expect exactly three `memcpy`s
 // CHECK-LABEL: define internal void @{{.+}}mem{{.+}}replace{{.+}}sret(%Big)
-    // CHECK-NOT: alloca
-    // CHECK: alloca %Big
-    // CHECK-NOT: alloca
-    // CHECK-NOT: call void @llvm.memcpy
-    // CHECK: call void @llvm.memcpy.{{.+}}({{i8\*|ptr}} align 8 %{{.*}}, {{i8\*|ptr}} align 8 %{{.*}}, i{{.*}} 56, i1 false)
-    // CHECK-NOT: call void @llvm.memcpy
-    // CHECK: call void @llvm.memcpy.{{.+}}({{i8\*|ptr}} align 8 %{{.*}}, {{i8\*|ptr}} align 8 %{{.*}}, i{{.*}} 56, i1 false)
-    // CHECK-NOT: call void @llvm.memcpy
-    // CHECK: call void @llvm.memcpy.{{.+}}({{i8\*|ptr}} align 8 %{{.*}}, {{i8\*|ptr}} align 8 %{{.*}}, i{{.*}} 56, i1 false)
-    // CHECK-NOT: call void @llvm.memcpy
+// CHECK-NOT: call void @llvm.memcpy
+// CHECK: call void @llvm.memcpy.{{.+}}({{i8\*|ptr}} align 8 %0, {{i8\*|ptr}} align 8 %dest, i{{.*}} 56, i1 false)
+// CHECK-NOT: call void @llvm.memcpy
+// CHECK: call void @llvm.memcpy.{{.+}}({{i8\*|ptr}} align 8 %dest, {{i8\*|ptr}} align 8 %src, i{{.*}} 56, i1 false)
+// CHECK-NOT: call void @llvm.memcpy
 
 // CHECK-NOT: call void @llvm.memcpy
diff --git a/tests/codegen/mem-replace-direct-memcpy.rs b/tests/codegen/mem-replace-direct-memcpy.rs
deleted file mode 100644
index 83babab4f84..00000000000
--- a/tests/codegen/mem-replace-direct-memcpy.rs
+++ /dev/null
@@ -1,33 +0,0 @@
-// This test ensures that `mem::replace::<T>` only ever calls `@llvm.memcpy`
-// with `size_of::<T>()` as the size, and never goes through any wrapper that
-// may e.g. multiply `size_of::<T>()` with a variable "count" (which is only
-// known to be `1` after inlining).
-
-// compile-flags: -C no-prepopulate-passes -Zinline-mir=no
-// ignore-debug: the debug assertions get in the way
-
-#![crate_type = "lib"]
-
-pub fn replace_byte(dst: &mut u8, src: u8) -> u8 {
-    std::mem::replace(dst, src)
-}
-
-// NOTE(eddyb) the `CHECK-NOT`s ensure that the only calls of `@llvm.memcpy` in
-// the entire output, are the direct calls we want, from `ptr::replace`.
-
-// CHECK-NOT: call void @llvm.memcpy
-
-// For a small type, we expect one each of `load`/`store`/`memcpy` instead
-// CHECK-LABEL: define internal noundef i8 @{{.+}}mem{{.+}}replace
-    // CHECK-NOT: alloca
-    // CHECK: alloca i8
-    // CHECK-NOT: alloca
-    // CHECK-NOT: call void @llvm.memcpy
-    // CHECK: load i8
-    // CHECK-NOT: call void @llvm.memcpy
-    // CHECK: store i8
-    // CHECK-NOT: call void @llvm.memcpy
-    // CHECK: call void @llvm.memcpy.{{.+}}({{i8\*|ptr}} align 1 %{{.*}}, {{i8\*|ptr}} align 1 %{{.*}}, i{{.*}} 1, i1 false)
-    // CHECK-NOT: call void @llvm.memcpy
-
-// CHECK-NOT: call void @llvm.memcpy
diff --git a/tests/codegen/mem-replace-simple-type.rs b/tests/codegen/mem-replace-simple-type.rs
new file mode 100644
index 00000000000..4253ef13666
--- /dev/null
+++ b/tests/codegen/mem-replace-simple-type.rs
@@ -0,0 +1,34 @@
+// compile-flags: -O -C no-prepopulate-passes
+// min-llvm-version: 15.0 (for opaque pointers)
+// only-x86_64 (to not worry about usize differing)
+// ignore-debug (the debug assertions get in the way)
+
+#![crate_type = "lib"]
+
+#[no_mangle]
+// CHECK-LABEL: @replace_usize(
+pub fn replace_usize(r: &mut usize, v: usize) -> usize {
+    // CHECK-NOT: alloca
+    // CHECK: %[[R:.+]] = load i64, ptr %r
+    // CHECK: store i64 %v, ptr %r
+    // CHECK: ret i64 %[[R]]
+    std::mem::replace(r, v)
+}
+
+#[no_mangle]
+// CHECK-LABEL: @replace_ref_str(
+pub fn replace_ref_str<'a>(r: &mut &'a str, v: &'a str) -> &'a str {
+    // CHECK-NOT: alloca
+    // CHECK: %[[A:.+]] = load ptr
+    // CHECK: %[[B:.+]] = load i64
+    // CHECK-NOT: store
+    // CHECK-NOT: load
+    // CHECK: store ptr
+    // CHECK: store i64
+    // CHECK-NOT: load
+    // CHECK-NOT: store
+    // CHECK: %[[P1:.+]] = insertvalue { ptr, i64 } poison, ptr %[[A]], 0
+    // CHECK: %[[P2:.+]] = insertvalue { ptr, i64 } %[[P1]], i64 %[[B]], 1
+    // CHECK: ret { ptr, i64 } %[[P2]]
+    std::mem::replace(r, v)
+}
diff --git a/tests/codegen/nrvo.rs b/tests/codegen/nrvo.rs
index fddb0d1fb3c..b2ae99f3761 100644
--- a/tests/codegen/nrvo.rs
+++ b/tests/codegen/nrvo.rs
@@ -8,7 +8,7 @@
 pub fn nrvo(init: fn(&mut [u8; 4096])) -> [u8; 4096] {
     // CHECK-LABEL: nrvo
     // CHECK: @llvm.memset
-    // CHECK-NOT: @llvm.memcpy
+    // FIXME: turn on nrvo then check-not: @llvm.memcpy
     // CHECK: ret
     // CHECK-EMPTY
     let mut buf = [0; 4096];
diff --git a/tests/codegen/repr-transparent-aggregates-1.rs b/tests/codegen/repr-transparent-aggregates-1.rs
index f733de12b35..9c4b0e58e71 100644
--- a/tests/codegen/repr-transparent-aggregates-1.rs
+++ b/tests/codegen/repr-transparent-aggregates-1.rs
@@ -10,6 +10,7 @@
 // ignore-riscv64 see codegen/riscv-abi
 // ignore-s390x
 // ignore-windows
+// ignore-loongarch64
 // See repr-transparent.rs
 
 #![feature(transparent_unions)]
diff --git a/tests/codegen/repr-transparent-aggregates-2.rs b/tests/codegen/repr-transparent-aggregates-2.rs
index e9fa5143b18..a7bde2d05c3 100644
--- a/tests/codegen/repr-transparent-aggregates-2.rs
+++ b/tests/codegen/repr-transparent-aggregates-2.rs
@@ -12,6 +12,7 @@
 // ignore-sparc64
 // ignore-x86
 // ignore-x86_64
+// ignore-loongarch64
 // See repr-transparent.rs
 
 #![feature(transparent_unions)]
diff --git a/tests/codegen/repr-transparent.rs b/tests/codegen/repr-transparent.rs
index 311cbfbaa09..759ddea67a5 100644
--- a/tests/codegen/repr-transparent.rs
+++ b/tests/codegen/repr-transparent.rs
@@ -3,6 +3,7 @@
 // ignore-riscv64 riscv64 has an i128 type used with test_Vector
 // see codegen/riscv-abi for riscv functiona call tests
 // ignore-s390x s390x with default march passes vector types per reference
+// ignore-loongarch64 see codegen/loongarch-abi for loongarch function call tests
 
 #![crate_type="lib"]
 #![feature(repr_simd, transparent_unions)]
diff --git a/tests/codegen/sanitizer-cfi-add-canonical-jump-tables-flag.rs b/tests/codegen/sanitizer-cfi-add-canonical-jump-tables-flag.rs
index c42fbba7425..1ee8bdfc3ab 100644
--- a/tests/codegen/sanitizer-cfi-add-canonical-jump-tables-flag.rs
+++ b/tests/codegen/sanitizer-cfi-add-canonical-jump-tables-flag.rs
@@ -8,4 +8,4 @@
 pub fn foo() {
 }
 
-// CHECK: !{{[0-9]+}} = !{i32 2, !"CFI Canonical Jump Tables", i32 1}
+// CHECK: !{{[0-9]+}} = !{i32 4, !"CFI Canonical Jump Tables", i32 1}
diff --git a/tests/codegen/sanitizer-cfi-add-enable-split-lto-unit-flag.rs b/tests/codegen/sanitizer-cfi-add-enable-split-lto-unit-flag.rs
new file mode 100644
index 00000000000..68c91384b82
--- /dev/null
+++ b/tests/codegen/sanitizer-cfi-add-enable-split-lto-unit-flag.rs
@@ -0,0 +1,11 @@
+// Verifies that "EnableSplitLTOUnit" module flag is added.
+//
+// needs-sanitizer-cfi
+// compile-flags: -Clto -Ctarget-feature=-crt-static -Zsanitizer=cfi
+
+#![crate_type="lib"]
+
+pub fn foo() {
+}
+
+// CHECK: !{{[0-9]+}} = !{i32 4, !"EnableSplitLTOUnit", i32 1}
diff --git a/tests/codegen/sanitizer-cfi-emit-type-checks-attr-no-sanitize.rs b/tests/codegen/sanitizer-cfi-emit-type-checks-attr-no-sanitize.rs
new file mode 100644
index 00000000000..2b61c9078fd
--- /dev/null
+++ b/tests/codegen/sanitizer-cfi-emit-type-checks-attr-no-sanitize.rs
@@ -0,0 +1,18 @@
+// Verifies that pointer type membership tests for indirect calls are omitted.
+//
+// needs-sanitizer-cfi
+// compile-flags: -Clto -Cno-prepopulate-passes -Ctarget-feature=-crt-static -Zsanitizer=cfi -Copt-level=0
+
+#![crate_type="lib"]
+#![feature(no_sanitize)]
+
+#[no_sanitize(cfi)]
+pub fn foo(f: fn(i32) -> i32, arg: i32) -> i32 {
+    // CHECK-LABEL: sanitizer_cfi_emit_type_checks_attr_no_sanitize::foo
+    // CHECK:       Function Attrs: {{.*}}
+    // CHECK-LABEL: define{{.*}}foo{{.*}}!type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
+    // CHECK:       start:
+    // CHECK-NEXT:  {{%.+}} = call i32 %f(i32 %arg)
+    // CHECK-NEXT:  ret i32 {{%.+}}
+    f(arg)
+}
diff --git a/tests/codegen/sanitizer-cfi-emit-type-checks.rs b/tests/codegen/sanitizer-cfi-emit-type-checks.rs
index 597b867ebad..cea6aac8b8b 100644
--- a/tests/codegen/sanitizer-cfi-emit-type-checks.rs
+++ b/tests/codegen/sanitizer-cfi-emit-type-checks.rs
@@ -6,13 +6,12 @@
 #![crate_type="lib"]
 
 pub fn foo(f: fn(i32) -> i32, arg: i32) -> i32 {
-    // CHECK-LABEL: define{{.*}}foo{{.*}}!type !{{[0-9]+}}
+    // CHECK-LABEL: define{{.*}}foo{{.*}}!type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
     // CHECK:       start:
     // CHECK:       [[TT:%.+]] = call i1 @llvm.type.test({{i8\*|ptr}} {{%f|%0}}, metadata !"{{[[:print:]]+}}")
     // CHECK-NEXT:  br i1 [[TT]], label %type_test.pass, label %type_test.fail
     // CHECK:       type_test.pass:
     // CHECK-NEXT:  {{%.+}} = call i32 %f(i32 %arg)
-    // CHECK-NEXT:  br label %bb1
     // CHECK:       type_test.fail:
     // CHECK-NEXT:  call void @llvm.trap()
     // CHECK-NEXT:  unreachable
diff --git a/tests/codegen/sanitizer-cfi-emit-type-metadata-attr-cfi-encoding.rs b/tests/codegen/sanitizer-cfi-emit-type-metadata-attr-cfi-encoding.rs
new file mode 100644
index 00000000000..084d8bf803c
--- /dev/null
+++ b/tests/codegen/sanitizer-cfi-emit-type-metadata-attr-cfi-encoding.rs
@@ -0,0 +1,48 @@
+// Verifies that user-defined CFI encoding for types are emitted.
+//
+// needs-sanitizer-cfi
+// compile-flags: -Clto -Cno-prepopulate-passes -Ctarget-feature=-crt-static -Zsanitizer=cfi
+
+#![crate_type="lib"]
+#![feature(cfi_encoding, extern_types)]
+
+#[cfi_encoding = "3Foo"]
+pub struct Type1(i32);
+
+extern {
+    #[cfi_encoding = "3Bar"]
+    type Type2;
+}
+
+#[cfi_encoding = "3Baz"]
+#[repr(transparent)]
+pub struct Type3(i32);
+
+pub fn foo0(_: Type1) { }
+// CHECK: define{{.*}}foo0{{.*}}!type ![[TYPE0:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
+pub fn foo1(_: Type1, _: Type1) { }
+// CHECK: define{{.*}}foo1{{.*}}!type ![[TYPE1:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
+pub fn foo2(_: Type1, _: Type1, _: Type1) { }
+// CHECK: define{{.*}}foo2{{.*}}!type ![[TYPE2:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
+pub fn foo3(_: *mut Type2) { }
+// CHECK: define{{.*}}foo3{{.*}}!type ![[TYPE3:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
+pub fn foo4(_: *mut Type2, _: *mut Type2) { }
+// CHECK: define{{.*}}foo4{{.*}}!type ![[TYPE4:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
+pub fn foo5(_: *mut Type2, _: *mut Type2, _: *mut Type2) { }
+// CHECK: define{{.*}}foo5{{.*}}!type ![[TYPE5:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
+pub fn foo6(_: *mut Type3) { }
+// CHECK: define{{.*}}foo6{{.*}}!type ![[TYPE6:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
+pub fn foo7(_: *mut Type3, _: *mut Type3) { }
+// CHECK: define{{.*}}foo7{{.*}}!type ![[TYPE7:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
+pub fn foo8(_: *mut Type3, _: *mut Type3, _: *mut Type3) { }
+// CHECK: define{{.*}}foo8{{.*}}!type ![[TYPE8:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
+
+// CHECK: ![[TYPE0]] = !{i64 0, !"_ZTSFv3FooE"}
+// CHECK: ![[TYPE1]] = !{i64 0, !"_ZTSFv3FooS_E"}
+// CHECK: ![[TYPE2]] = !{i64 0, !"_ZTSFv3FooS_S_E"}
+// CHECK: ![[TYPE3]] = !{i64 0, !"_ZTSFvP3BarE"}
+// CHECK: ![[TYPE4]] = !{i64 0, !"_ZTSFvP3BarS0_E"}
+// CHECK: ![[TYPE5]] = !{i64 0, !"_ZTSFvP3BarS0_S0_E"}
+// CHECK: ![[TYPE6]] = !{i64 0, !"_ZTSFvP3BazE"}
+// CHECK: ![[TYPE7]] = !{i64 0, !"_ZTSFvP3BazS0_E"}
+// CHECK: ![[TYPE8]] = !{i64 0, !"_ZTSFvP3BazS0_S0_E"}
diff --git a/tests/codegen/sanitizer-cfi-emit-type-metadata-id-itanium-cxx-abi.rs b/tests/codegen/sanitizer-cfi-emit-type-metadata-id-itanium-cxx-abi.rs
index b9c33914360..71e26e3fe8a 100644
--- a/tests/codegen/sanitizer-cfi-emit-type-metadata-id-itanium-cxx-abi.rs
+++ b/tests/codegen/sanitizer-cfi-emit-type-metadata-id-itanium-cxx-abi.rs
@@ -10,7 +10,7 @@
 #![feature(adt_const_params, extern_types, inline_const, type_alias_impl_trait)]
 
 extern crate core;
-use core::ffi::c_void;
+use core::ffi::*;
 use std::marker::PhantomData;
 
 // User-defined type (structure)
@@ -113,9 +113,10 @@ pub fn fn1<'a>() {
     let _: Type11 = Quuux;
 }
 
-// repr(transparent) user-defined type
+// Helper type to make Type12 have an unique id
 struct Foo(i32);
 
+// repr(transparent) user-defined type
 #[repr(transparent)]
 pub struct Type12 {
     member1: (),
@@ -131,313 +132,313 @@ pub struct Type13<'a> {
     member3: &'a Type13<'a>,
 }
 
-// Helper type to allow `Type14<Bar>` to be a unique ID
+// Helper type to make Type14 have an unique id
 pub struct Bar;
 
-// repr(transparent) parameterized type
+// repr(transparent) user-defined generic type
 #[repr(transparent)]
 pub struct Type14<T>(T);
 
 pub fn foo0(_: ()) { }
-// CHECK: define{{.*}}foo0{{.*}}!type ![[TYPE0:[0-9]+]]
-pub fn foo1(_: c_void, _: ()) { }
-// CHECK: define{{.*}}foo1{{.*}}!type ![[TYPE1:[0-9]+]]
+// CHECK: define{{.*}}foo0{{.*}}!type ![[TYPE0:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
+pub fn foo1(_: (), _: c_void) { }
+// CHECK: define{{.*}}foo1{{.*}}!type ![[TYPE1:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo2(_: (), _: c_void, _: c_void) { }
-// CHECK: define{{.*}}foo2{{.*}}!type ![[TYPE2:[0-9]+]]
-pub fn foo3(_: *mut c_void) { }
-// CHECK: define{{.*}}foo3{{.*}}!type ![[TYPE3:[0-9]+]]
-pub fn foo4(_: *mut c_void, _: *mut ()) { }
-// CHECK: define{{.*}}foo4{{.*}}!type ![[TYPE4:[0-9]+]]
+// CHECK: define{{.*}}foo2{{.*}}!type ![[TYPE2:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
+pub fn foo3(_: *mut ()) { }
+// CHECK: define{{.*}}foo3{{.*}}!type ![[TYPE3:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
+pub fn foo4(_: *mut (), _: *mut c_void) { }
+// CHECK: define{{.*}}foo4{{.*}}!type ![[TYPE4:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo5(_: *mut (), _: *mut c_void, _: *mut c_void) { }
-// CHECK: define{{.*}}foo5{{.*}}!type ![[TYPE5:[0-9]+]]
-pub fn foo6(_: *const c_void) { }
-// CHECK: define{{.*}}foo6{{.*}}!type ![[TYPE6:[0-9]+]]
-pub fn foo7(_: *const c_void, _: *const ()) { }
-// CHECK: define{{.*}}foo7{{.*}}!type ![[TYPE7:[0-9]+]]
+// CHECK: define{{.*}}foo5{{.*}}!type ![[TYPE5:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
+pub fn foo6(_: *const ()) { }
+// CHECK: define{{.*}}foo6{{.*}}!type ![[TYPE6:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
+pub fn foo7(_: *const (), _: *const c_void) { }
+// CHECK: define{{.*}}foo7{{.*}}!type ![[TYPE7:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo8(_: *const (), _: *const c_void, _: *const c_void) { }
-// CHECK: define{{.*}}foo8{{.*}}!type ![[TYPE8:[0-9]+]]
+// CHECK: define{{.*}}foo8{{.*}}!type ![[TYPE8:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo9(_: bool) { }
-// CHECK: define{{.*}}foo9{{.*}}!type ![[TYPE9:[0-9]+]]
+// CHECK: define{{.*}}foo9{{.*}}!type ![[TYPE9:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo10(_: bool, _: bool) { }
-// CHECK: define{{.*}}foo10{{.*}}!type ![[TYPE10:[0-9]+]]
+// CHECK: define{{.*}}foo10{{.*}}!type ![[TYPE10:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo11(_: bool, _: bool, _: bool) { }
-// CHECK: define{{.*}}foo11{{.*}}!type ![[TYPE11:[0-9]+]]
+// CHECK: define{{.*}}foo11{{.*}}!type ![[TYPE11:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo12(_: i8) { }
-// CHECK: define{{.*}}foo12{{.*}}!type ![[TYPE12:[0-9]+]]
+// CHECK: define{{.*}}foo12{{.*}}!type ![[TYPE12:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo13(_: i8, _: i8) { }
-// CHECK: define{{.*}}foo13{{.*}}!type ![[TYPE13:[0-9]+]]
+// CHECK: define{{.*}}foo13{{.*}}!type ![[TYPE13:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo14(_: i8, _: i8, _: i8) { }
-// CHECK: define{{.*}}foo14{{.*}}!type ![[TYPE14:[0-9]+]]
+// CHECK: define{{.*}}foo14{{.*}}!type ![[TYPE14:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo15(_: i16) { }
-// CHECK: define{{.*}}foo15{{.*}}!type ![[TYPE15:[0-9]+]]
+// CHECK: define{{.*}}foo15{{.*}}!type ![[TYPE15:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo16(_: i16, _: i16) { }
-// CHECK: define{{.*}}foo16{{.*}}!type ![[TYPE16:[0-9]+]]
+// CHECK: define{{.*}}foo16{{.*}}!type ![[TYPE16:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo17(_: i16, _: i16, _: i16) { }
-// CHECK: define{{.*}}foo17{{.*}}!type ![[TYPE17:[0-9]+]]
+// CHECK: define{{.*}}foo17{{.*}}!type ![[TYPE17:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo18(_: i32) { }
-// CHECK: define{{.*}}foo18{{.*}}!type ![[TYPE18:[0-9]+]]
+// CHECK: define{{.*}}foo18{{.*}}!type ![[TYPE18:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo19(_: i32, _: i32) { }
-// CHECK: define{{.*}}foo19{{.*}}!type ![[TYPE19:[0-9]+]]
+// CHECK: define{{.*}}foo19{{.*}}!type ![[TYPE19:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo20(_: i32, _: i32, _: i32) { }
-// CHECK: define{{.*}}foo20{{.*}}!type ![[TYPE20:[0-9]+]]
+// CHECK: define{{.*}}foo20{{.*}}!type ![[TYPE20:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo21(_: i64) { }
-// CHECK: define{{.*}}foo21{{.*}}!type ![[TYPE21:[0-9]+]]
+// CHECK: define{{.*}}foo21{{.*}}!type ![[TYPE21:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo22(_: i64, _: i64) { }
-// CHECK: define{{.*}}foo22{{.*}}!type ![[TYPE22:[0-9]+]]
+// CHECK: define{{.*}}foo22{{.*}}!type ![[TYPE22:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo23(_: i64, _: i64, _: i64) { }
-// CHECK: define{{.*}}foo23{{.*}}!type ![[TYPE23:[0-9]+]]
+// CHECK: define{{.*}}foo23{{.*}}!type ![[TYPE23:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo24(_: i128) { }
-// CHECK: define{{.*}}foo24{{.*}}!type ![[TYPE24:[0-9]+]]
+// CHECK: define{{.*}}foo24{{.*}}!type ![[TYPE24:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo25(_: i128, _: i128) { }
-// CHECK: define{{.*}}foo25{{.*}}!type ![[TYPE25:[0-9]+]]
+// CHECK: define{{.*}}foo25{{.*}}!type ![[TYPE25:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo26(_: i128, _: i128, _: i128) { }
-// CHECK: define{{.*}}foo26{{.*}}!type ![[TYPE26:[0-9]+]]
+// CHECK: define{{.*}}foo26{{.*}}!type ![[TYPE26:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo27(_: isize) { }
-// CHECK: define{{.*}}foo27{{.*}}!type ![[TYPE27:[0-9]+]]
+// CHECK: define{{.*}}foo27{{.*}}!type ![[TYPE27:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo28(_: isize, _: isize) { }
-// CHECK: define{{.*}}foo28{{.*}}!type ![[TYPE28:[0-9]+]]
+// CHECK: define{{.*}}foo28{{.*}}!type ![[TYPE28:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo29(_: isize, _: isize, _: isize) { }
-// CHECK: define{{.*}}foo29{{.*}}!type ![[TYPE29:[0-9]+]]
+// CHECK: define{{.*}}foo29{{.*}}!type ![[TYPE29:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo30(_: u8) { }
-// CHECK: define{{.*}}foo30{{.*}}!type ![[TYPE30:[0-9]+]]
+// CHECK: define{{.*}}foo30{{.*}}!type ![[TYPE30:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo31(_: u8, _: u8) { }
-// CHECK: define{{.*}}foo31{{.*}}!type ![[TYPE31:[0-9]+]]
+// CHECK: define{{.*}}foo31{{.*}}!type ![[TYPE31:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo32(_: u8, _: u8, _: u8) { }
-// CHECK: define{{.*}}foo32{{.*}}!type ![[TYPE32:[0-9]+]]
+// CHECK: define{{.*}}foo32{{.*}}!type ![[TYPE32:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo33(_: u16) { }
-// CHECK: define{{.*}}foo33{{.*}}!type ![[TYPE33:[0-9]+]]
+// CHECK: define{{.*}}foo33{{.*}}!type ![[TYPE33:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo34(_: u16, _: u16) { }
-// CHECK: define{{.*}}foo34{{.*}}!type ![[TYPE34:[0-9]+]]
+// CHECK: define{{.*}}foo34{{.*}}!type ![[TYPE34:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo35(_: u16, _: u16, _: u16) { }
-// CHECK: define{{.*}}foo35{{.*}}!type ![[TYPE35:[0-9]+]]
+// CHECK: define{{.*}}foo35{{.*}}!type ![[TYPE35:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo36(_: u32) { }
-// CHECK: define{{.*}}foo36{{.*}}!type ![[TYPE36:[0-9]+]]
+// CHECK: define{{.*}}foo36{{.*}}!type ![[TYPE36:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo37(_: u32, _: u32) { }
-// CHECK: define{{.*}}foo37{{.*}}!type ![[TYPE37:[0-9]+]]
+// CHECK: define{{.*}}foo37{{.*}}!type ![[TYPE37:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo38(_: u32, _: u32, _: u32) { }
-// CHECK: define{{.*}}foo38{{.*}}!type ![[TYPE38:[0-9]+]]
+// CHECK: define{{.*}}foo38{{.*}}!type ![[TYPE38:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo39(_: u64) { }
-// CHECK: define{{.*}}foo39{{.*}}!type ![[TYPE39:[0-9]+]]
+// CHECK: define{{.*}}foo39{{.*}}!type ![[TYPE39:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo40(_: u64, _: u64) { }
-// CHECK: define{{.*}}foo40{{.*}}!type ![[TYPE40:[0-9]+]]
+// CHECK: define{{.*}}foo40{{.*}}!type ![[TYPE40:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo41(_: u64, _: u64, _: u64) { }
-// CHECK: define{{.*}}foo41{{.*}}!type ![[TYPE41:[0-9]+]]
+// CHECK: define{{.*}}foo41{{.*}}!type ![[TYPE41:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo42(_: u128) { }
-// CHECK: define{{.*}}foo42{{.*}}!type ![[TYPE42:[0-9]+]]
+// CHECK: define{{.*}}foo42{{.*}}!type ![[TYPE42:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo43(_: u128, _: u128) { }
-// CHECK: define{{.*}}foo43{{.*}}!type ![[TYPE43:[0-9]+]]
+// CHECK: define{{.*}}foo43{{.*}}!type ![[TYPE43:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo44(_: u128, _: u128, _: u128) { }
-// CHECK: define{{.*}}foo44{{.*}}!type ![[TYPE44:[0-9]+]]
+// CHECK: define{{.*}}foo44{{.*}}!type ![[TYPE44:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo45(_: usize) { }
-// CHECK: define{{.*}}foo45{{.*}}!type ![[TYPE45:[0-9]+]]
+// CHECK: define{{.*}}foo45{{.*}}!type ![[TYPE45:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo46(_: usize, _: usize) { }
-// CHECK: define{{.*}}foo46{{.*}}!type ![[TYPE46:[0-9]+]]
+// CHECK: define{{.*}}foo46{{.*}}!type ![[TYPE46:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo47(_: usize, _: usize, _: usize) { }
-// CHECK: define{{.*}}foo47{{.*}}!type ![[TYPE47:[0-9]+]]
+// CHECK: define{{.*}}foo47{{.*}}!type ![[TYPE47:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo48(_: f32) { }
-// CHECK: define{{.*}}foo48{{.*}}!type ![[TYPE48:[0-9]+]]
+// CHECK: define{{.*}}foo48{{.*}}!type ![[TYPE48:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo49(_: f32, _: f32) { }
-// CHECK: define{{.*}}foo49{{.*}}!type ![[TYPE49:[0-9]+]]
+// CHECK: define{{.*}}foo49{{.*}}!type ![[TYPE49:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo50(_: f32, _: f32, _: f32) { }
-// CHECK: define{{.*}}foo50{{.*}}!type ![[TYPE50:[0-9]+]]
+// CHECK: define{{.*}}foo50{{.*}}!type ![[TYPE50:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo51(_: f64) { }
-// CHECK: define{{.*}}foo51{{.*}}!type ![[TYPE51:[0-9]+]]
+// CHECK: define{{.*}}foo51{{.*}}!type ![[TYPE51:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo52(_: f64, _: f64) { }
-// CHECK: define{{.*}}foo52{{.*}}!type ![[TYPE52:[0-9]+]]
+// CHECK: define{{.*}}foo52{{.*}}!type ![[TYPE52:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo53(_: f64, _: f64, _: f64) { }
-// CHECK: define{{.*}}foo53{{.*}}!type ![[TYPE53:[0-9]+]]
+// CHECK: define{{.*}}foo53{{.*}}!type ![[TYPE53:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo54(_: char) { }
-// CHECK: define{{.*}}foo54{{.*}}!type ![[TYPE54:[0-9]+]]
+// CHECK: define{{.*}}foo54{{.*}}!type ![[TYPE54:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo55(_: char, _: char) { }
-// CHECK: define{{.*}}foo55{{.*}}!type ![[TYPE55:[0-9]+]]
+// CHECK: define{{.*}}foo55{{.*}}!type ![[TYPE55:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo56(_: char, _: char, _: char) { }
-// CHECK: define{{.*}}foo56{{.*}}!type ![[TYPE56:[0-9]+]]
+// CHECK: define{{.*}}foo56{{.*}}!type ![[TYPE56:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo57(_: &str) { }
-// CHECK: define{{.*}}foo57{{.*}}!type ![[TYPE57:[0-9]+]]
+// CHECK: define{{.*}}foo57{{.*}}!type ![[TYPE57:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo58(_: &str, _: &str) { }
-// CHECK: define{{.*}}foo58{{.*}}!type ![[TYPE58:[0-9]+]]
+// CHECK: define{{.*}}foo58{{.*}}!type ![[TYPE58:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo59(_: &str, _: &str, _: &str) { }
-// CHECK: define{{.*}}foo59{{.*}}!type ![[TYPE59:[0-9]+]]
+// CHECK: define{{.*}}foo59{{.*}}!type ![[TYPE59:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo60(_: (i32, i32)) { }
-// CHECK: define{{.*}}foo60{{.*}}!type ![[TYPE60:[0-9]+]]
+// CHECK: define{{.*}}foo60{{.*}}!type ![[TYPE60:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo61(_: (i32, i32), _: (i32, i32)) { }
-// CHECK: define{{.*}}foo61{{.*}}!type ![[TYPE61:[0-9]+]]
+// CHECK: define{{.*}}foo61{{.*}}!type ![[TYPE61:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo62(_: (i32, i32), _: (i32, i32), _: (i32, i32)) { }
-// CHECK: define{{.*}}foo62{{.*}}!type ![[TYPE62:[0-9]+]]
+// CHECK: define{{.*}}foo62{{.*}}!type ![[TYPE62:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo63(_: [i32; 32]) { }
-// CHECK: define{{.*}}foo63{{.*}}!type ![[TYPE63:[0-9]+]]
+// CHECK: define{{.*}}foo63{{.*}}!type ![[TYPE63:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo64(_: [i32; 32], _: [i32; 32]) { }
-// CHECK: define{{.*}}foo64{{.*}}!type ![[TYPE64:[0-9]+]]
+// CHECK: define{{.*}}foo64{{.*}}!type ![[TYPE64:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo65(_: [i32; 32], _: [i32; 32], _: [i32; 32]) { }
-// CHECK: define{{.*}}foo65{{.*}}!type ![[TYPE65:[0-9]+]]
+// CHECK: define{{.*}}foo65{{.*}}!type ![[TYPE65:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo66(_: &[i32]) { }
-// CHECK: define{{.*}}foo66{{.*}}!type ![[TYPE66:[0-9]+]]
+// CHECK: define{{.*}}foo66{{.*}}!type ![[TYPE66:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo67(_: &[i32], _: &[i32]) { }
-// CHECK: define{{.*}}foo67{{.*}}!type ![[TYPE67:[0-9]+]]
+// CHECK: define{{.*}}foo67{{.*}}!type ![[TYPE67:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo68(_: &[i32], _: &[i32], _: &[i32]) { }
-// CHECK: define{{.*}}foo68{{.*}}!type ![[TYPE68:[0-9]+]]
+// CHECK: define{{.*}}foo68{{.*}}!type ![[TYPE68:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo69(_: &Struct1::<i32>) { }
-// CHECK: define{{.*}}foo69{{.*}}!type ![[TYPE69:[0-9]+]]
+// CHECK: define{{.*}}foo69{{.*}}!type ![[TYPE69:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo70(_: &Struct1::<i32>, _: &Struct1::<i32>) { }
-// CHECK: define{{.*}}foo70{{.*}}!type ![[TYPE70:[0-9]+]]
+// CHECK: define{{.*}}foo70{{.*}}!type ![[TYPE70:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo71(_: &Struct1::<i32>, _: &Struct1::<i32>, _: &Struct1::<i32>) { }
-// CHECK: define{{.*}}foo71{{.*}}!type ![[TYPE71:[0-9]+]]
+// CHECK: define{{.*}}foo71{{.*}}!type ![[TYPE71:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo72(_: &Enum1::<i32>) { }
-// CHECK: define{{.*}}foo72{{.*}}!type ![[TYPE72:[0-9]+]]
+// CHECK: define{{.*}}foo72{{.*}}!type ![[TYPE72:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo73(_: &Enum1::<i32>, _: &Enum1::<i32>) { }
-// CHECK: define{{.*}}foo73{{.*}}!type ![[TYPE73:[0-9]+]]
+// CHECK: define{{.*}}foo73{{.*}}!type ![[TYPE73:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo74(_: &Enum1::<i32>, _: &Enum1::<i32>, _: &Enum1::<i32>) { }
-// CHECK: define{{.*}}foo74{{.*}}!type ![[TYPE74:[0-9]+]]
+// CHECK: define{{.*}}foo74{{.*}}!type ![[TYPE74:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo75(_: &Union1::<i32>) { }
-// CHECK: define{{.*}}foo75{{.*}}!type ![[TYPE75:[0-9]+]]
+// CHECK: define{{.*}}foo75{{.*}}!type ![[TYPE75:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo76(_: &Union1::<i32>, _: &Union1::<i32>) { }
-// CHECK: define{{.*}}foo76{{.*}}!type ![[TYPE76:[0-9]+]]
+// CHECK: define{{.*}}foo76{{.*}}!type ![[TYPE76:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo77(_: &Union1::<i32>, _: &Union1::<i32>, _: &Union1::<i32>) { }
-// CHECK: define{{.*}}foo77{{.*}}!type ![[TYPE77:[0-9]+]]
+// CHECK: define{{.*}}foo77{{.*}}!type ![[TYPE77:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo78(_: *mut type1) { }
-// CHECK: define{{.*}}foo78{{.*}}!type ![[TYPE78:[0-9]+]]
+// CHECK: define{{.*}}foo78{{.*}}!type ![[TYPE78:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo79(_: *mut type1, _: *mut type1) { }
-// CHECK: define{{.*}}foo79{{.*}}!type ![[TYPE79:[0-9]+]]
+// CHECK: define{{.*}}foo79{{.*}}!type ![[TYPE79:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo80(_: *mut type1, _: *mut type1, _: *mut type1) { }
-// CHECK: define{{.*}}foo80{{.*}}!type ![[TYPE80:[0-9]+]]
+// CHECK: define{{.*}}foo80{{.*}}!type ![[TYPE80:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo81(_: &mut i32) { }
-// CHECK: define{{.*}}foo81{{.*}}!type ![[TYPE81:[0-9]+]]
+// CHECK: define{{.*}}foo81{{.*}}!type ![[TYPE81:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo82(_: &mut i32, _: &i32) { }
-// CHECK: define{{.*}}foo82{{.*}}!type ![[TYPE82:[0-9]+]]
+// CHECK: define{{.*}}foo82{{.*}}!type ![[TYPE82:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo83(_: &mut i32, _: &i32, _: &i32) { }
-// CHECK: define{{.*}}foo83{{.*}}!type ![[TYPE83:[0-9]+]]
+// CHECK: define{{.*}}foo83{{.*}}!type ![[TYPE83:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo84(_: &i32) { }
-// CHECK: define{{.*}}foo84{{.*}}!type ![[TYPE84:[0-9]+]]
+// CHECK: define{{.*}}foo84{{.*}}!type ![[TYPE84:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo85(_: &i32, _: &mut i32) { }
-// CHECK: define{{.*}}foo85{{.*}}!type ![[TYPE85:[0-9]+]]
+// CHECK: define{{.*}}foo85{{.*}}!type ![[TYPE85:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo86(_: &i32, _: &mut i32, _: &mut i32) { }
-// CHECK: define{{.*}}foo86{{.*}}!type ![[TYPE86:[0-9]+]]
+// CHECK: define{{.*}}foo86{{.*}}!type ![[TYPE86:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo87(_: *mut i32) { }
-// CHECK: define{{.*}}foo87{{.*}}!type ![[TYPE87:[0-9]+]]
+// CHECK: define{{.*}}foo87{{.*}}!type ![[TYPE87:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo88(_: *mut i32, _: *const i32) { }
-// CHECK: define{{.*}}foo88{{.*}}!type ![[TYPE88:[0-9]+]]
+// CHECK: define{{.*}}foo88{{.*}}!type ![[TYPE88:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo89(_: *mut i32, _: *const i32, _: *const i32) { }
-// CHECK: define{{.*}}foo89{{.*}}!type ![[TYPE89:[0-9]+]]
+// CHECK: define{{.*}}foo89{{.*}}!type ![[TYPE89:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo90(_: *const i32) { }
-// CHECK: define{{.*}}foo90{{.*}}!type ![[TYPE90:[0-9]+]]
+// CHECK: define{{.*}}foo90{{.*}}!type ![[TYPE90:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo91(_: *const i32, _: *mut i32) { }
-// CHECK: define{{.*}}foo91{{.*}}!type ![[TYPE91:[0-9]+]]
+// CHECK: define{{.*}}foo91{{.*}}!type ![[TYPE91:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo92(_: *const i32, _: *mut i32, _: *mut i32) { }
-// CHECK: define{{.*}}foo92{{.*}}!type ![[TYPE92:[0-9]+]]
+// CHECK: define{{.*}}foo92{{.*}}!type ![[TYPE92:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo93(_: fn(i32) -> i32) { }
-// CHECK: define{{.*}}foo93{{.*}}!type ![[TYPE93:[0-9]+]]
+// CHECK: define{{.*}}foo93{{.*}}!type ![[TYPE93:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo94(_: fn(i32) -> i32, _: fn(i32) -> i32) { }
-// CHECK: define{{.*}}foo94{{.*}}!type ![[TYPE94:[0-9]+]]
+// CHECK: define{{.*}}foo94{{.*}}!type ![[TYPE94:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo95(_: fn(i32) -> i32, _: fn(i32) -> i32, _: fn(i32) -> i32) { }
-// CHECK: define{{.*}}foo95{{.*}}!type ![[TYPE95:[0-9]+]]
+// CHECK: define{{.*}}foo95{{.*}}!type ![[TYPE95:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo96(_: &dyn Fn(i32) -> i32) { }
-// CHECK: define{{.*}}foo96{{.*}}!type ![[TYPE96:[0-9]+]]
+// CHECK: define{{.*}}foo96{{.*}}!type ![[TYPE96:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo97(_: &dyn Fn(i32) -> i32, _: &dyn Fn(i32) -> i32) { }
-// CHECK: define{{.*}}foo97{{.*}}!type ![[TYPE97:[0-9]+]]
+// CHECK: define{{.*}}foo97{{.*}}!type ![[TYPE97:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo98(_: &dyn Fn(i32) -> i32, _: &dyn Fn(i32) -> i32, _: &dyn Fn(i32) -> i32) { }
-// CHECK: define{{.*}}foo98{{.*}}!type ![[TYPE98:[0-9]+]]
+// CHECK: define{{.*}}foo98{{.*}}!type ![[TYPE98:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo99(_: &dyn FnMut(i32) -> i32) { }
-// CHECK: define{{.*}}foo99{{.*}}!type ![[TYPE99:[0-9]+]]
+// CHECK: define{{.*}}foo99{{.*}}!type ![[TYPE99:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo100(_: &dyn FnMut(i32) -> i32, _: &dyn FnMut(i32) -> i32) { }
-// CHECK: define{{.*}}foo100{{.*}}!type ![[TYPE100:[0-9]+]]
+// CHECK: define{{.*}}foo100{{.*}}!type ![[TYPE100:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo101(_: &dyn FnMut(i32) -> i32, _: &dyn FnMut(i32) -> i32, _: &dyn FnMut(i32) -> i32) { }
-// CHECK: define{{.*}}foo101{{.*}}!type ![[TYPE101:[0-9]+]]
+// CHECK: define{{.*}}foo101{{.*}}!type ![[TYPE101:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo102(_: &dyn FnOnce(i32) -> i32) { }
-// CHECK: define{{.*}}foo102{{.*}}!type ![[TYPE102:[0-9]+]]
+// CHECK: define{{.*}}foo102{{.*}}!type ![[TYPE102:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo103(_: &dyn FnOnce(i32) -> i32, _: &dyn FnOnce(i32) -> i32) { }
-// CHECK: define{{.*}}foo103{{.*}}!type ![[TYPE103:[0-9]+]]
+// CHECK: define{{.*}}foo103{{.*}}!type ![[TYPE103:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo104(_: &dyn FnOnce(i32) -> i32, _: &dyn FnOnce(i32) -> i32, _: &dyn FnOnce(i32) -> i32) {}
-// CHECK: define{{.*}}foo104{{.*}}!type ![[TYPE104:[0-9]+]]
+// CHECK: define{{.*}}foo104{{.*}}!type ![[TYPE104:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo105(_: &dyn Send) { }
-// CHECK: define{{.*}}foo105{{.*}}!type ![[TYPE105:[0-9]+]]
+// CHECK: define{{.*}}foo105{{.*}}!type ![[TYPE105:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo106(_: &dyn Send, _: &dyn Send) { }
-// CHECK: define{{.*}}foo106{{.*}}!type ![[TYPE106:[0-9]+]]
+// CHECK: define{{.*}}foo106{{.*}}!type ![[TYPE106:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo107(_: &dyn Send, _: &dyn Send, _: &dyn Send) { }
-// CHECK: define{{.*}}foo107{{.*}}!type ![[TYPE107:[0-9]+]]
+// CHECK: define{{.*}}foo107{{.*}}!type ![[TYPE107:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo108(_: Type1) { }
-// CHECK: define{{.*}}foo108{{.*}}!type ![[TYPE108:[0-9]+]]
+// CHECK: define{{.*}}foo108{{.*}}!type ![[TYPE108:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo109(_: Type1, _: Type1) { }
-// CHECK: define{{.*}}foo109{{.*}}!type ![[TYPE109:[0-9]+]]
+// CHECK: define{{.*}}foo109{{.*}}!type ![[TYPE109:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo110(_: Type1, _: Type1, _: Type1) { }
-// CHECK: define{{.*}}foo110{{.*}}!type ![[TYPE110:[0-9]+]]
+// CHECK: define{{.*}}foo110{{.*}}!type ![[TYPE110:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo111(_: Type2) { }
-// CHECK: define{{.*}}foo111{{.*}}!type ![[TYPE111:[0-9]+]]
+// CHECK: define{{.*}}foo111{{.*}}!type ![[TYPE111:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo112(_: Type2, _: Type2) { }
-// CHECK: define{{.*}}foo112{{.*}}!type ![[TYPE112:[0-9]+]]
+// CHECK: define{{.*}}foo112{{.*}}!type ![[TYPE112:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo113(_: Type2, _: Type2, _: Type2) { }
-// CHECK: define{{.*}}foo113{{.*}}!type ![[TYPE113:[0-9]+]]
+// CHECK: define{{.*}}foo113{{.*}}!type ![[TYPE113:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo114(_: Type3) { }
-// CHECK: define{{.*}}foo114{{.*}}!type ![[TYPE114:[0-9]+]]
+// CHECK: define{{.*}}foo114{{.*}}!type ![[TYPE114:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo115(_: Type3, _: Type3) { }
-// CHECK: define{{.*}}foo115{{.*}}!type ![[TYPE115:[0-9]+]]
+// CHECK: define{{.*}}foo115{{.*}}!type ![[TYPE115:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo116(_: Type3, _: Type3, _: Type3) { }
-// CHECK: define{{.*}}foo116{{.*}}!type ![[TYPE116:[0-9]+]]
+// CHECK: define{{.*}}foo116{{.*}}!type ![[TYPE116:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo117(_: Type4) { }
-// CHECK: define{{.*}}foo117{{.*}}!type ![[TYPE117:[0-9]+]]
+// CHECK: define{{.*}}foo117{{.*}}!type ![[TYPE117:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo118(_: Type4, _: Type4) { }
-// CHECK: define{{.*}}foo118{{.*}}!type ![[TYPE118:[0-9]+]]
+// CHECK: define{{.*}}foo118{{.*}}!type ![[TYPE118:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo119(_: Type4, _: Type4, _: Type4) { }
-// CHECK: define{{.*}}foo119{{.*}}!type ![[TYPE119:[0-9]+]]
+// CHECK: define{{.*}}foo119{{.*}}!type ![[TYPE119:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo120(_: Type5) { }
-// CHECK: define{{.*}}foo120{{.*}}!type ![[TYPE120:[0-9]+]]
+// CHECK: define{{.*}}foo120{{.*}}!type ![[TYPE120:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo121(_: Type5, _: Type5) { }
-// CHECK: define{{.*}}foo121{{.*}}!type ![[TYPE121:[0-9]+]]
+// CHECK: define{{.*}}foo121{{.*}}!type ![[TYPE121:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo122(_: Type5, _: Type5, _: Type5) { }
-// CHECK: define{{.*}}foo122{{.*}}!type ![[TYPE122:[0-9]+]]
+// CHECK: define{{.*}}foo122{{.*}}!type ![[TYPE122:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo123(_: Type6) { }
-// CHECK: define{{.*}}foo123{{.*}}!type ![[TYPE123:[0-9]+]]
+// CHECK: define{{.*}}foo123{{.*}}!type ![[TYPE123:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo124(_: Type6, _: Type6) { }
-// CHECK: define{{.*}}foo124{{.*}}!type ![[TYPE124:[0-9]+]]
+// CHECK: define{{.*}}foo124{{.*}}!type ![[TYPE124:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo125(_: Type6, _: Type6, _: Type6) { }
-// CHECK: define{{.*}}foo125{{.*}}!type ![[TYPE125:[0-9]+]]
+// CHECK: define{{.*}}foo125{{.*}}!type ![[TYPE125:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo126(_: Type7) { }
-// CHECK: define{{.*}}foo126{{.*}}!type ![[TYPE126:[0-9]+]]
+// CHECK: define{{.*}}foo126{{.*}}!type ![[TYPE126:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo127(_: Type7, _: Type7) { }
-// CHECK: define{{.*}}foo127{{.*}}!type ![[TYPE127:[0-9]+]]
+// CHECK: define{{.*}}foo127{{.*}}!type ![[TYPE127:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo128(_: Type7, _: Type7, _: Type7) { }
-// CHECK: define{{.*}}foo128{{.*}}!type ![[TYPE128:[0-9]+]]
+// CHECK: define{{.*}}foo128{{.*}}!type ![[TYPE128:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo129(_: Type8) { }
-// CHECK: define{{.*}}foo129{{.*}}!type ![[TYPE129:[0-9]+]]
+// CHECK: define{{.*}}foo129{{.*}}!type ![[TYPE129:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo130(_: Type8, _: Type8) { }
-// CHECK: define{{.*}}foo130{{.*}}!type ![[TYPE130:[0-9]+]]
+// CHECK: define{{.*}}foo130{{.*}}!type ![[TYPE130:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo131(_: Type8, _: Type8, _: Type8) { }
-// CHECK: define{{.*}}foo131{{.*}}!type ![[TYPE131:[0-9]+]]
+// CHECK: define{{.*}}foo131{{.*}}!type ![[TYPE131:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo132(_: Type9) { }
-// CHECK: define{{.*}}foo132{{.*}}!type ![[TYPE132:[0-9]+]]
+// CHECK: define{{.*}}foo132{{.*}}!type ![[TYPE132:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo133(_: Type9, _: Type9) { }
-// CHECK: define{{.*}}foo133{{.*}}!type ![[TYPE133:[0-9]+]]
+// CHECK: define{{.*}}foo133{{.*}}!type ![[TYPE133:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo134(_: Type9, _: Type9, _: Type9) { }
-// CHECK: define{{.*}}foo134{{.*}}!type ![[TYPE134:[0-9]+]]
+// CHECK: define{{.*}}foo134{{.*}}!type ![[TYPE134:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo135(_: Type10) { }
-// CHECK: define{{.*}}foo135{{.*}}!type ![[TYPE135:[0-9]+]]
+// CHECK: define{{.*}}foo135{{.*}}!type ![[TYPE135:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo136(_: Type10, _: Type10) { }
-// CHECK: define{{.*}}foo136{{.*}}!type ![[TYPE136:[0-9]+]]
+// CHECK: define{{.*}}foo136{{.*}}!type ![[TYPE136:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo137(_: Type10, _: Type10, _: Type10) { }
-// CHECK: define{{.*}}foo137{{.*}}!type ![[TYPE137:[0-9]+]]
+// CHECK: define{{.*}}foo137{{.*}}!type ![[TYPE137:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo138(_: Type11) { }
-// CHECK: define{{.*}}foo138{{.*}}!type ![[TYPE138:[0-9]+]]
+// CHECK: define{{.*}}foo138{{.*}}!type ![[TYPE138:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo139(_: Type11, _: Type11) { }
-// CHECK: define{{.*}}foo139{{.*}}!type ![[TYPE139:[0-9]+]]
+// CHECK: define{{.*}}foo139{{.*}}!type ![[TYPE139:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo140(_: Type11, _: Type11, _: Type11) { }
-// CHECK: define{{.*}}foo140{{.*}}!type ![[TYPE140:[0-9]+]]
+// CHECK: define{{.*}}foo140{{.*}}!type ![[TYPE140:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo141(_: Type12) { }
-// CHECK: define{{.*}}foo141{{.*}}!type ![[TYPE141:[0-9]+]]
+// CHECK: define{{.*}}foo141{{.*}}!type ![[TYPE141:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo142(_: Type12, _: Type12) { }
-// CHECK: define{{.*}}foo142{{.*}}!type ![[TYPE142:[0-9]+]]
+// CHECK: define{{.*}}foo142{{.*}}!type ![[TYPE142:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo143(_: Type12, _: Type12, _: Type12) { }
-// CHECK: define{{.*}}foo143{{.*}}!type ![[TYPE143:[0-9]+]]
+// CHECK: define{{.*}}foo143{{.*}}!type ![[TYPE143:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo144(_: Type13) { }
-// CHECK: define{{.*}}foo144{{.*}}!type ![[TYPE144:[0-9]+]]
+// CHECK: define{{.*}}foo144{{.*}}!type ![[TYPE144:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo145(_: Type13, _: Type13) { }
-// CHECK: define{{.*}}foo145{{.*}}!type ![[TYPE145:[0-9]+]]
+// CHECK: define{{.*}}foo145{{.*}}!type ![[TYPE145:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo146(_: Type13, _: Type13, _: Type13) { }
-// CHECK: define{{.*}}foo146{{.*}}!type ![[TYPE146:[0-9]+]]
+// CHECK: define{{.*}}foo146{{.*}}!type ![[TYPE146:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo147(_: Type14<Bar>) { }
-// CHECK: define{{.*}}foo147{{.*}}!type ![[TYPE147:[0-9]+]]
+// CHECK: define{{.*}}foo147{{.*}}!type ![[TYPE147:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo148(_: Type14<Bar>, _: Type14<Bar>) { }
-// CHECK: define{{.*}}foo148{{.*}}!type ![[TYPE148:[0-9]+]]
+// CHECK: define{{.*}}foo148{{.*}}!type ![[TYPE148:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 pub fn foo149(_: Type14<Bar>, _: Type14<Bar>, _: Type14<Bar>) { }
-// CHECK: define{{.*}}foo149{{.*}}!type ![[TYPE149:[0-9]+]]
+// CHECK: define{{.*}}foo149{{.*}}!type ![[TYPE149:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
 
 // CHECK: ![[TYPE0]] = !{i64 0, !"_ZTSFvvE"}
 // CHECK: ![[TYPE1]] = !{i64 0, !"_ZTSFvvvE"}
diff --git a/tests/codegen/sanitizer-cfi-emit-type-metadata-itanium-cxx-abi-generalized.rs b/tests/codegen/sanitizer-cfi-emit-type-metadata-itanium-cxx-abi-generalized.rs
new file mode 100644
index 00000000000..78ef0c2c7d6
--- /dev/null
+++ b/tests/codegen/sanitizer-cfi-emit-type-metadata-itanium-cxx-abi-generalized.rs
@@ -0,0 +1,31 @@
+// Verifies that generalized type metadata for functions are emitted.
+//
+// needs-sanitizer-cfi
+// compile-flags: -Clto -Cno-prepopulate-passes -Ctarget-feature=-crt-static -Zsanitizer=cfi -Zsanitizer-cfi-generalize-pointers
+
+#![crate_type="lib"]
+
+pub fn foo(f: fn(i32) -> i32, arg: i32) -> i32 {
+    // CHECK-LABEL: define{{.*}}foo
+    // CHECK-SAME:  {{.*}}!type ![[TYPE1:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}}
+    // CHECK:       call i1 @llvm.type.test({{i8\*|ptr}} {{%f|%0}}, metadata !"_ZTSFu3i32S_E.generalized")
+    f(arg)
+}
+
+pub fn bar(f: fn(i32, i32) -> i32, arg1: i32, arg2: i32) -> i32 {
+    // CHECK-LABEL: define{{.*}}bar
+    // CHECK-SAME:  {{.*}}!type ![[TYPE2:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}}
+    // CHECK:       call i1 @llvm.type.test({{i8\*|ptr}} {{%f|%0}}, metadata !"_ZTSFu3i32S_S_E.generalized")
+    f(arg1, arg2)
+}
+
+pub fn baz(f: fn(i32, i32, i32) -> i32, arg1: i32, arg2: i32, arg3: i32) -> i32 {
+    // CHECK-LABEL: define{{.*}}baz
+    // CHECK-SAME:  {{.*}}!type ![[TYPE3:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}}
+    // CHECK:       call i1 @llvm.type.test({{i8\*|ptr}} {{%f|%0}}, metadata !"_ZTSFu3i32S_S_S_E.generalized")
+    f(arg1, arg2, arg3)
+}
+
+// CHECK: ![[TYPE1]] = !{i64 0, !"_ZTSFu3i32PKvS_E.generalized"}
+// CHECK: ![[TYPE2]] = !{i64 0, !"_ZTSFu3i32PKvS_S_E.generalized"}
+// CHECK: ![[TYPE3]] = !{i64 0, !"_ZTSFu3i32PKvS_S_S_E.generalized"}
diff --git a/tests/codegen/sanitizer-cfi-emit-type-metadata-itanium-cxx-abi-normalized-generalized.rs b/tests/codegen/sanitizer-cfi-emit-type-metadata-itanium-cxx-abi-normalized-generalized.rs
new file mode 100644
index 00000000000..3b72459c4b0
--- /dev/null
+++ b/tests/codegen/sanitizer-cfi-emit-type-metadata-itanium-cxx-abi-normalized-generalized.rs
@@ -0,0 +1,31 @@
+// Verifies that normalized and generalized type metadata for functions are emitted.
+//
+// needs-sanitizer-cfi
+// compile-flags: -Clto -Cno-prepopulate-passes -Ctarget-feature=-crt-static -Zsanitizer=cfi -Zsanitizer-cfi-normalize-integers -Zsanitizer-cfi-generalize-pointers
+
+#![crate_type="lib"]
+
+pub fn foo(f: fn(i32) -> i32, arg: i32) -> i32 {
+    // CHECK-LABEL: define{{.*}}foo
+    // CHECK-SAME:  {{.*}}![[TYPE1:[0-9]+]]
+    // CHECK:       call i1 @llvm.type.test({{i8\*|ptr}} {{%f|%0}}, metadata !"_ZTSFu3i32S_E.normalized.generalized")
+    f(arg)
+}
+
+pub fn bar(f: fn(i32, i32) -> i32, arg1: i32, arg2: i32) -> i32 {
+    // CHECK-LABEL: define{{.*}}bar
+    // CHECK-SAME:  {{.*}}![[TYPE2:[0-9]+]]
+    // CHECK:       call i1 @llvm.type.test({{i8\*|ptr}} {{%f|%0}}, metadata !"_ZTSFu3i32S_S_E.normalized.generalized")
+    f(arg1, arg2)
+}
+
+pub fn baz(f: fn(i32, i32, i32) -> i32, arg1: i32, arg2: i32, arg3: i32) -> i32 {
+    // CHECK-LABEL: define{{.*}}baz
+    // CHECK-SAME:  {{.*}}![[TYPE3:[0-9]+]]
+    // CHECK:       call i1 @llvm.type.test({{i8\*|ptr}} {{%f|%0}}, metadata !"_ZTSFu3i32S_S_S_E.normalized.generalized")
+    f(arg1, arg2, arg3)
+}
+
+// CHECK: ![[TYPE1]] = !{i64 0, !"_ZTSFu3i32PKvS_E.normalized.generalized"}
+// CHECK: ![[TYPE2]] = !{i64 0, !"_ZTSFu3i32PKvS_S_E.normalized.generalized"}
+// CHECK: ![[TYPE3]] = !{i64 0, !"_ZTSFu3i32PKvS_S_S_E.normalized.generalized"}
diff --git a/tests/codegen/sanitizer-cfi-emit-type-metadata-itanium-cxx-abi-normalized.rs b/tests/codegen/sanitizer-cfi-emit-type-metadata-itanium-cxx-abi-normalized.rs
new file mode 100644
index 00000000000..9218e9947bf
--- /dev/null
+++ b/tests/codegen/sanitizer-cfi-emit-type-metadata-itanium-cxx-abi-normalized.rs
@@ -0,0 +1,31 @@
+// Verifies that normalized type metadata for functions are emitted.
+//
+// needs-sanitizer-cfi
+// compile-flags: -Clto -Cno-prepopulate-passes -Ctarget-feature=-crt-static -Zsanitizer=cfi -Zsanitizer-cfi-normalize-integers
+
+#![crate_type="lib"]
+
+pub fn foo(f: fn(i32) -> i32, arg: i32) -> i32 {
+    // CHECK-LABEL: define{{.*}}foo
+    // CHECK-SAME:  {{.*}}!type ![[TYPE1:[0-9]+]] !type !{{[0-9]+}}
+    // CHECK:       call i1 @llvm.type.test({{i8\*|ptr}} {{%f|%0}}, metadata !"_ZTSFu3i32S_E.normalized")
+    f(arg)
+}
+
+pub fn bar(f: fn(i32, i32) -> i32, arg1: i32, arg2: i32) -> i32 {
+    // CHECK-LABEL: define{{.*}}bar
+    // CHECK-SAME:  {{.*}}!type ![[TYPE2:[0-9]+]] !type !{{[0-9]+}}
+    // CHECK:       call i1 @llvm.type.test({{i8\*|ptr}} {{%f|%0}}, metadata !"_ZTSFu3i32S_S_E.normalized")
+    f(arg1, arg2)
+}
+
+pub fn baz(f: fn(i32, i32, i32) -> i32, arg1: i32, arg2: i32, arg3: i32) -> i32 {
+    // CHECK-LABEL: define{{.*}}baz
+    // CHECK-SAME:  {{.*}}!type ![[TYPE3:[0-9]+]] !type !{{[0-9]+}}
+    // CHECK:       call i1 @llvm.type.test({{i8\*|ptr}} {{%f|%0}}, metadata !"_ZTSFu3i32S_S_S_E.normalized")
+    f(arg1, arg2, arg3)
+}
+
+// CHECK: ![[TYPE1]] = !{i64 0, !"_ZTSFu3i32PFS_S_ES_E.normalized"}
+// CHECK: ![[TYPE2]] = !{i64 0, !"_ZTSFu3i32PFS_S_S_ES_S_E.normalized"}
+// CHECK: ![[TYPE3]] = !{i64 0, !"_ZTSFu3i32PFS_S_S_S_ES_S_S_E.normalized"}
diff --git a/tests/codegen/sanitizer-cfi-emit-type-metadata-itanium-cxx-abi.rs b/tests/codegen/sanitizer-cfi-emit-type-metadata-itanium-cxx-abi.rs
index bafc4c6592f..f9fd816dedb 100644
--- a/tests/codegen/sanitizer-cfi-emit-type-metadata-itanium-cxx-abi.rs
+++ b/tests/codegen/sanitizer-cfi-emit-type-metadata-itanium-cxx-abi.rs
@@ -7,21 +7,21 @@
 
 pub fn foo(f: fn(i32) -> i32, arg: i32) -> i32 {
     // CHECK-LABEL: define{{.*}}foo
-    // CHECK-SAME: {{.*}}!type ![[TYPE1:[0-9]+]]
+    // CHECK-SAME:  {{.*}}!type ![[TYPE1:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
     // CHECK:       call i1 @llvm.type.test({{i8\*|ptr}} {{%f|%0}}, metadata !"_ZTSFu3i32S_E")
     f(arg)
 }
 
 pub fn bar(f: fn(i32, i32) -> i32, arg1: i32, arg2: i32) -> i32 {
     // CHECK-LABEL: define{{.*}}bar
-    // CHECK-SAME: {{.*}}!type ![[TYPE2:[0-9]+]]
+    // CHECK-SAME:  {{.*}}!type ![[TYPE2:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
     // CHECK:       call i1 @llvm.type.test({{i8\*|ptr}} {{%f|%0}}, metadata !"_ZTSFu3i32S_S_E")
     f(arg1, arg2)
 }
 
 pub fn baz(f: fn(i32, i32, i32) -> i32, arg1: i32, arg2: i32, arg3: i32) -> i32 {
     // CHECK-LABEL: define{{.*}}baz
-    // CHECK-SAME: {{.*}}!type ![[TYPE3:[0-9]+]]
+    // CHECK-SAME:  {{.*}}!type ![[TYPE3:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
     // CHECK:       call i1 @llvm.type.test({{i8\*|ptr}} {{%f|%0}}, metadata !"_ZTSFu3i32S_S_S_E")
     f(arg1, arg2, arg3)
 }
diff --git a/tests/codegen/sanitizer-cfi-emit-type-metadata-trait-objects.rs b/tests/codegen/sanitizer-cfi-emit-type-metadata-trait-objects.rs
new file mode 100644
index 00000000000..ab5dcec7936
--- /dev/null
+++ b/tests/codegen/sanitizer-cfi-emit-type-metadata-trait-objects.rs
@@ -0,0 +1,44 @@
+// Verifies that type metadata identifiers for trait objects are emitted correctly.
+//
+// needs-sanitizer-cfi
+// compile-flags: -Clto -Cno-prepopulate-passes -Ctarget-feature=-crt-static -Zsanitizer=cfi
+
+#![crate_type="lib"]
+
+trait Trait1 {
+    fn foo(&self);
+}
+
+struct Type1;
+
+impl Trait1 for Type1 {
+    fn foo(&self) {
+    }
+}
+
+pub fn foo() {
+    let a = Type1;
+    a.foo();
+    // CHECK-LABEL: define{{.*}}foo{{.*}}!type !{{[0-9]+}}
+    // CHECK:       call <sanitizer_cfi_emit_type_metadata_trait_objects::Type1 as sanitizer_cfi_emit_type_metadata_trait_objects::Trait1>::foo
+}
+
+pub fn bar() {
+    let a = Type1;
+    let b = &a as &dyn Trait1;
+    b.foo();
+    // CHECK-LABEL: define{{.*}}bar{{.*}}!type !{{[0-9]+}}
+    // CHECK:       call i1 @llvm.type.test({{i8\*|ptr}} {{%f|%0|%1}}, metadata !"[[TYPE1:[[:print:]]+]]")
+}
+
+pub fn baz() {
+    let a = Type1;
+    let b = &a as &dyn Trait1;
+    a.foo();
+    b.foo();
+    // CHECK-LABEL: define{{.*}}baz{{.*}}!type !{{[0-9]+}}
+    // CHECK:       call <sanitizer_cfi_emit_type_metadata_trait_objects::Type1 as sanitizer_cfi_emit_type_metadata_trait_objects::Trait1>::foo
+    // CHECK:       call i1 @llvm.type.test({{i8\*|ptr}} {{%f|%0|%1}}, metadata !"[[TYPE1:[[:print:]]+]]")
+}
+
+// CHECK: !{{[0-9]+}} = !{i64 0, !"[[TYPE1]]"}
diff --git a/tests/codegen/sanitizer-cfi-generalize-pointers.rs b/tests/codegen/sanitizer-cfi-generalize-pointers.rs
new file mode 100644
index 00000000000..677ebdb27ec
--- /dev/null
+++ b/tests/codegen/sanitizer-cfi-generalize-pointers.rs
@@ -0,0 +1,46 @@
+// Verifies that pointer types are generalized.
+//
+// needs-sanitizer-cfi
+// compile-flags: -Clto -Cno-prepopulate-passes -Ctarget-feature=-crt-static -Zsanitizer=cfi -Zsanitizer-cfi-generalize-pointers
+
+#![crate_type="lib"]
+
+extern crate core;
+
+pub fn foo0(_: &mut i32) { }
+// CHECK: define{{.*}}foo0{{.*}}!type ![[TYPE0:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}}
+pub fn foo1(_: &mut i32, _: &mut i32) { }
+// CHECK: define{{.*}}foo1{{.*}}!type ![[TYPE1:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}}
+pub fn foo2(_: &mut i32, _: &mut i32, _: &mut i32) { }
+// CHECK: define{{.*}}foo2{{.*}}!type ![[TYPE2:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}}
+pub fn foo3(_: &i32) { }
+// CHECK: define{{.*}}foo3{{.*}}!type ![[TYPE3:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}}
+pub fn foo4(_: &i32, _: &i32) { }
+// CHECK: define{{.*}}foo4{{.*}}!type ![[TYPE4:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}}
+pub fn foo5(_: &i32, _: &i32, _: &i32) { }
+// CHECK: define{{.*}}foo5{{.*}}!type ![[TYPE5:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}}
+pub fn foo6(_: *mut i32) { }
+// CHECK: define{{.*}}foo6{{.*}}!type ![[TYPE6:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}}
+pub fn foo7(_: *mut i32, _: *mut i32) { }
+// CHECK: define{{.*}}foo7{{.*}}!type ![[TYPE7:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}}
+pub fn foo8(_: *mut i32, _: *mut i32, _: *mut i32) { }
+// CHECK: define{{.*}}foo8{{.*}}!type ![[TYPE8:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}}
+pub fn foo9(_: *const i32) { }
+// CHECK: define{{.*}}foo9{{.*}}!type ![[TYPE9:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}}
+pub fn foo10(_: *const i32, _: *const i32) { }
+// CHECK: define{{.*}}foo10{{.*}}!type ![[TYPE10:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}}
+pub fn foo11(_: *const i32, _: *const i32, _: *const i32) { }
+// CHECK: define{{.*}}foo11{{.*}}!type ![[TYPE11:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}}
+
+// CHECK: ![[TYPE0]] = !{i64 0, !"_ZTSFvU3mutu3refIvEE.generalized"}
+// CHECK: ![[TYPE1]] = !{i64 0, !"_ZTSFvU3mutu3refIvES0_E.generalized"}
+// CHECK: ![[TYPE2]] = !{i64 0, !"_ZTSFvU3mutu3refIvES0_S0_E.generalized"}
+// CHECK: ![[TYPE3]] = !{i64 0, !"_ZTSFvu3refIvEE.generalized"}
+// CHECK: ![[TYPE4]] = !{i64 0, !"_ZTSFvu3refIvES_E.generalized"}
+// CHECK: ![[TYPE5]] = !{i64 0, !"_ZTSFvu3refIvES_S_E.generalized"}
+// CHECK: ![[TYPE6]] = !{i64 0, !"_ZTSFvPvE.generalized"}
+// CHECK: ![[TYPE7]] = !{i64 0, !"_ZTSFvPvS_E.generalized"}
+// CHECK: ![[TYPE8]] = !{i64 0, !"_ZTSFvPvS_S_E.generalized"}
+// CHECK: ![[TYPE9]] = !{i64 0, !"_ZTSFvPKvE.generalized"}
+// CHECK: ![[TYPE10]] = !{i64 0, !"_ZTSFvPKvS0_E.generalized"}
+// CHECK: ![[TYPE11]] = !{i64 0, !"_ZTSFvPKvS0_S0_E.generalized"}
diff --git a/tests/codegen/sanitizer-cfi-normalize-integers.rs b/tests/codegen/sanitizer-cfi-normalize-integers.rs
new file mode 100644
index 00000000000..aa3913cb8e7
--- /dev/null
+++ b/tests/codegen/sanitizer-cfi-normalize-integers.rs
@@ -0,0 +1,83 @@
+// Verifies that integer types are normalized.
+//
+// needs-sanitizer-cfi
+// compile-flags: -Clto -Cno-prepopulate-passes -Ctarget-feature=-crt-static -Zsanitizer=cfi -Zsanitizer-cfi-normalize-integers
+
+#![crate_type="lib"]
+
+extern crate core;
+use core::ffi::*;
+
+pub fn foo0(_: bool) { }
+// CHECK: define{{.*}}foo0{{.*}}!type ![[TYPE0:[0-9]+]] !type !{{[0-9]+}}
+pub fn foo1(_: bool, _: c_uchar) { }
+// CHECK: define{{.*}}foo1{{.*}}!type ![[TYPE1:[0-9]+]] !type !{{[0-9]+}}
+pub fn foo2(_: bool, _: c_uchar, _: c_uchar) { }
+// CHECK: define{{.*}}foo2{{.*}}!type ![[TYPE2:[0-9]+]] !type !{{[0-9]+}}
+pub fn foo3(_: isize) { }
+// CHECK: define{{.*}}foo3{{.*}}!type ![[TYPE3:[0-9]+]] !type !{{[0-9]+}}
+pub fn foo4(_: isize, _: c_long) { }
+// CHECK: define{{.*}}foo4{{.*}}!type ![[TYPE4:[0-9]+]] !type !{{[0-9]+}}
+pub fn foo5(_: isize, _: c_long, _: c_longlong) { }
+// CHECK: define{{.*}}foo5{{.*}}!type ![[TYPE5:[0-9]+]] !type !{{[0-9]+}}
+pub fn foo6(_: usize) { }
+// CHECK: define{{.*}}foo6{{.*}}!type ![[TYPE6:[0-9]+]] !type !{{[0-9]+}}
+pub fn foo7(_: usize, _: c_ulong) { }
+// CHECK: define{{.*}}foo7{{.*}}!type ![[TYPE7:[0-9]+]] !type !{{[0-9]+}}
+pub fn foo8(_: usize, _: c_ulong, _: c_ulonglong) { }
+// CHECK: define{{.*}}foo8{{.*}}!type ![[TYPE8:[0-9]+]] !type !{{[0-9]+}}
+pub fn foo9(_: c_schar) { }
+// CHECK: define{{.*}}foo9{{.*}}!type ![[TYPE9:[0-9]+]] !type !{{[0-9]+}}
+pub fn foo10(_: c_char, _: c_schar) { }
+// CHECK: define{{.*}}foo10{{.*}}!type ![[TYPE10:[0-9]+]] !type !{{[0-9]+}}
+pub fn foo11(_: c_char, _: c_schar, _: c_schar) { }
+// CHECK: define{{.*}}foo11{{.*}}!type ![[TYPE11:[0-9]+]] !type !{{[0-9]+}}
+pub fn foo12(_: c_int) { }
+// CHECK: define{{.*}}foo12{{.*}}!type ![[TYPE12:[0-9]+]] !type !{{[0-9]+}}
+pub fn foo13(_: c_int, _: c_int) { }
+// CHECK: define{{.*}}foo13{{.*}}!type ![[TYPE13:[0-9]+]] !type !{{[0-9]+}}
+pub fn foo14(_: c_int, _: c_int, _: c_int) { }
+// CHECK: define{{.*}}foo14{{.*}}!type ![[TYPE14:[0-9]+]] !type !{{[0-9]+}}
+pub fn foo15(_: c_short) { }
+// CHECK: define{{.*}}foo15{{.*}}!type ![[TYPE15:[0-9]+]] !type !{{[0-9]+}}
+pub fn foo16(_: c_short, _: c_short) { }
+// CHECK: define{{.*}}foo16{{.*}}!type ![[TYPE16:[0-9]+]] !type !{{[0-9]+}}
+pub fn foo17(_: c_short, _: c_short, _: c_short) { }
+// CHECK: define{{.*}}foo17{{.*}}!type ![[TYPE17:[0-9]+]] !type !{{[0-9]+}}
+pub fn foo18(_: c_uint) { }
+// CHECK: define{{.*}}foo18{{.*}}!type ![[TYPE18:[0-9]+]] !type !{{[0-9]+}}
+pub fn foo19(_: c_uint, _: c_uint) { }
+// CHECK: define{{.*}}foo19{{.*}}!type ![[TYPE19:[0-9]+]] !type !{{[0-9]+}}
+pub fn foo20(_: c_uint, _: c_uint, _: c_uint) { }
+// CHECK: define{{.*}}foo20{{.*}}!type ![[TYPE20:[0-9]+]] !type !{{[0-9]+}}
+pub fn foo21(_: c_ushort) { }
+// CHECK: define{{.*}}foo21{{.*}}!type ![[TYPE21:[0-9]+]] !type !{{[0-9]+}}
+pub fn foo22(_: c_ushort, _: c_ushort) { }
+// CHECK: define{{.*}}foo22{{.*}}!type ![[TYPE22:[0-9]+]] !type !{{[0-9]+}}
+pub fn foo23(_: c_ushort, _: c_ushort, _: c_ushort) { }
+// CHECK: define{{.*}}foo23{{.*}}!type ![[TYPE23:[0-9]+]] !type !{{[0-9]+}}
+
+// CHECK: ![[TYPE0]] = !{i64 0, !"_ZTSFvu2u8E.normalized"}
+// CHECK: ![[TYPE1]] = !{i64 0, !"_ZTSFvu2u8S_E.normalized"}
+// CHECK: ![[TYPE2]] = !{i64 0, !"_ZTSFvu2u8S_S_E.normalized"}
+// CHECK: ![[TYPE3]] = !{i64 0, !"_ZTSFv{{u3i16|u3i32|u3i64}}E.normalized"}
+// CHECK: ![[TYPE4]] = !{i64 0, !"_ZTSFv{{u3i16|u3i32|u3i64}}{{u3i32|u3i64|S_}}E.normalized"}
+// CHECK: ![[TYPE5]] = !{i64 0, !"_ZTSFv{{u3i16|u3i32|u3i64}}{{u3i32|u3i64|S_}}{{u3i64|S_|S0_}}E.normalized"}
+// CHECK: ![[TYPE6]] = !{i64 0, !"_ZTSFv{{u3u16|u3u32|u3u64}}E.normalized"}
+// CHECK: ![[TYPE7]] = !{i64 0, !"_ZTSFv{{u3u16|u3u32|u3u64}}{{u3u32|u3u64|S_}}E.normalized"}
+// CHECK: ![[TYPE8]] = !{i64 0, !"_ZTSFv{{u3u16|u3u32|u3u64}}{{u3u32|u3u64|S_}}{{u3u64|S_|S0_}}E.normalized"}
+// CHECK: ![[TYPE9]] = !{i64 0, !"_ZTSFvu2i8E.normalized"}
+// CHECK: ![[TYPE10]] = !{i64 0, !"_ZTSFv{{u2i8S_|u2u8u2i8}}E.normalized"}
+// CHECK: ![[TYPE11]] = !{i64 0, !"_ZTSFv{{u2i8S_S_|u2u8u2i8S0_}}E.normalized"}
+// CHECK: ![[TYPE12]] = !{i64 0, !"_ZTSFv{{u3i16|u3i32|u3i64}}E.normalized"}
+// CHECK: ![[TYPE13]] = !{i64 0, !"_ZTSFv{{u3i16|u3i32|u3i64}}S_E.normalized"}
+// CHECK: ![[TYPE14]] = !{i64 0, !"_ZTSFv{{u3i16|u3i32|u3i64}}S_S_E.normalized"}
+// CHECK: ![[TYPE15]] = !{i64 0, !"_ZTSFvu3i16E.normalized"}
+// CHECK: ![[TYPE16]] = !{i64 0, !"_ZTSFvu3i16S_E.normalized"}
+// CHECK: ![[TYPE17]] = !{i64 0, !"_ZTSFvu3i16S_S_E.normalized"}
+// CHECK: ![[TYPE18]] = !{i64 0, !"_ZTSFv{{u3u16|u3u32|u3u64}}E.normalized"}
+// CHECK: ![[TYPE19]] = !{i64 0, !"_ZTSFv{{u3u16|u3u32|u3u64}}S_E.normalized"}
+// CHECK: ![[TYPE20]] = !{i64 0, !"_ZTSFv{{u3u16|u3u32|u3u64}}S_S_E.normalized"}
+// CHECK: ![[TYPE21]] = !{i64 0, !"_ZTSFvu3u16E.normalized"}
+// CHECK: ![[TYPE22]] = !{i64 0, !"_ZTSFvu3u16S_E.normalized"}
+// CHECK: ![[TYPE23]] = !{i64 0, !"_ZTSFvu3u16S_S_E.normalized"}
diff --git a/tests/codegen/sanitizer-kcfi-emit-kcfi-operand-bundle-attr-no-sanitize.rs b/tests/codegen/sanitizer-kcfi-emit-kcfi-operand-bundle-attr-no-sanitize.rs
new file mode 100644
index 00000000000..bb317e4a2fa
--- /dev/null
+++ b/tests/codegen/sanitizer-kcfi-emit-kcfi-operand-bundle-attr-no-sanitize.rs
@@ -0,0 +1,30 @@
+// Verifies that KCFI operand bundles are omitted.
+//
+// revisions: aarch64 x86_64
+// [aarch64] compile-flags: --target aarch64-unknown-none
+// [aarch64] needs-llvm-components: aarch64
+// [x86_64] compile-flags: --target x86_64-unknown-none
+// [x86_64] needs-llvm-components:
+// compile-flags: -Cno-prepopulate-passes -Zsanitizer=kcfi -Copt-level=0
+
+#![crate_type="lib"]
+#![feature(no_core, no_sanitize, lang_items)]
+#![no_core]
+
+#[lang="sized"]
+trait Sized { }
+#[lang="copy"]
+trait Copy { }
+
+impl Copy for i32 {}
+
+#[no_sanitize(kcfi)]
+pub fn foo(f: fn(i32) -> i32, arg: i32) -> i32 {
+    // CHECK-LABEL: sanitizer_kcfi_emit_kcfi_operand_bundle_attr_no_sanitize::foo
+    // CHECK:       Function Attrs: {{.*}}
+    // CHECK-LABEL: define{{.*}}foo{{.*}}!{{<unknown kind #36>|kcfi_type}} !{{[0-9]+}}
+    // CHECK:       start:
+    // CHECK-NOT:   {{%.+}} = call {{(noundef )*}}i32 %f(i32 {{(noundef )*}}%arg){{.*}}[ "kcfi"(i32 {{[-0-9]+}}) ]
+    // CHECK:       ret i32 {{%.+}}
+    f(arg)
+}
diff --git a/tests/codegen/sanitizer-kcfi-emit-kcfi-operand-bundle-itanium-cxx-abi-generalized.rs b/tests/codegen/sanitizer-kcfi-emit-kcfi-operand-bundle-itanium-cxx-abi-generalized.rs
new file mode 100644
index 00000000000..29e4df3511f
--- /dev/null
+++ b/tests/codegen/sanitizer-kcfi-emit-kcfi-operand-bundle-itanium-cxx-abi-generalized.rs
@@ -0,0 +1,44 @@
+// Verifies that generalized KCFI type metadata for functions are emitted.
+//
+// revisions: aarch64 x86_64
+// [aarch64] compile-flags: --target aarch64-unknown-none
+// [aarch64] needs-llvm-components: aarch64
+// [x86_64] compile-flags: --target x86_64-unknown-none
+// [x86_64] needs-llvm-components:
+// compile-flags: -Cno-prepopulate-passes -Zsanitizer=kcfi -Zsanitizer-cfi-generalize-pointers
+
+#![crate_type="lib"]
+#![feature(no_core, lang_items)]
+#![no_core]
+
+#[lang="sized"]
+trait Sized { }
+#[lang="copy"]
+trait Copy { }
+
+impl Copy for i32 {}
+
+pub fn foo(f: fn(i32) -> i32, arg: i32) -> i32 {
+    // CHECK-LABEL: define{{.*}}foo
+    // CHECK-SAME:  {{.*}}!{{<unknown kind #36>|kcfi_type}} ![[TYPE1:[0-9]+]]
+    // CHECK:       {{%.+}} = call {{(noundef )*}}i32 %f(i32 {{(noundef )*}}%arg){{.*}}[ "kcfi"(i32 233085384) ]
+    f(arg)
+}
+
+pub fn bar(f: fn(i32, i32) -> i32, arg1: i32, arg2: i32) -> i32 {
+    // CHECK-LABEL: define{{.*}}bar
+    // CHECK-SAME:  {{.*}}!{{<unknown kind #36>|kcfi_type}} ![[TYPE2:[0-9]+]]
+    // CHECK:       {{%.+}} = call {{(noundef )*}}i32 %f(i32 {{(noundef )*}}%arg1, i32 {{(noundef )*}}%arg2){{.*}}[ "kcfi"(i32 435418021) ]
+    f(arg1, arg2)
+}
+
+pub fn baz(f: fn(i32, i32, i32) -> i32, arg1: i32, arg2: i32, arg3: i32) -> i32 {
+    // CHECK-LABEL: define{{.*}}baz
+    // CHECK-SAME:  {{.*}}!{{<unknown kind #36>|kcfi_type}} ![[TYPE3:[0-9]+]]
+    // CHECK:       {{%.+}} = call {{(noundef )*}}i32 %f(i32 {{(noundef )*}}%arg1, i32 {{(noundef )*}}%arg2, i32 {{(noundef )*}}%arg3){{.*}}[ "kcfi"(i32 -1003721339) ]
+    f(arg1, arg2, arg3)
+}
+
+// CHECK: ![[TYPE1]] = !{i32 -1741689296}
+// CHECK: ![[TYPE2]] = !{i32 489439372}
+// CHECK: ![[TYPE3]] = !{i32 2026563871}
diff --git a/tests/codegen/sanitizer-kcfi-emit-kcfi-operand-bundle-itanium-cxx-abi-normalized-generalized.rs b/tests/codegen/sanitizer-kcfi-emit-kcfi-operand-bundle-itanium-cxx-abi-normalized-generalized.rs
new file mode 100644
index 00000000000..84d678a33ba
--- /dev/null
+++ b/tests/codegen/sanitizer-kcfi-emit-kcfi-operand-bundle-itanium-cxx-abi-normalized-generalized.rs
@@ -0,0 +1,44 @@
+// Verifies that normalized and generalized KCFI type metadata for functions are emitted.
+//
+// revisions: aarch64 x86_64
+// [aarch64] compile-flags: --target aarch64-unknown-none
+// [aarch64] needs-llvm-components: aarch64
+// [x86_64] compile-flags: --target x86_64-unknown-none
+// [x86_64] needs-llvm-components:
+// compile-flags: -Cno-prepopulate-passes -Zsanitizer=kcfi -Zsanitizer-cfi-normalize-integers -Zsanitizer-cfi-generalize-pointers
+
+#![crate_type="lib"]
+#![feature(no_core, lang_items)]
+#![no_core]
+
+#[lang="sized"]
+trait Sized { }
+#[lang="copy"]
+trait Copy { }
+
+impl Copy for i32 {}
+
+pub fn foo(f: fn(i32) -> i32, arg: i32) -> i32 {
+    // CHECK-LABEL: define{{.*}}foo
+    // CHECK-SAME:  {{.*}}!{{<unknown kind #36>|kcfi_type}} ![[TYPE1:[0-9]+]]
+    // CHECK:       {{%.+}} = call {{(noundef )*}}i32 %f(i32 {{(noundef )*}}%arg){{.*}}[ "kcfi"(i32 -686570305) ]
+    f(arg)
+}
+
+pub fn bar(f: fn(i32, i32) -> i32, arg1: i32, arg2: i32) -> i32 {
+    // CHECK-LABEL: define{{.*}}bar
+    // CHECK-SAME:  {{.*}}!{{<unknown kind #36>|kcfi_type}} ![[TYPE2:[0-9]+]]
+    // CHECK:       {{%.+}} = call {{(noundef )*}}i32 %f(i32 {{(noundef )*}}%arg1, i32 {{(noundef )*}}%arg2){{.*}}[ "kcfi"(i32 1281038450) ]
+    f(arg1, arg2)
+}
+
+pub fn baz(f: fn(i32, i32, i32) -> i32, arg1: i32, arg2: i32, arg3: i32) -> i32 {
+    // CHECK-LABEL: define{{.*}}baz
+    // CHECK-SAME:  {{.*}}!{{<unknown kind #36>|kcfi_type}} ![[TYPE3:[0-9]+]]
+    // CHECK:       {{%.+}} = call {{(noundef )*}}i32 %f(i32 {{(noundef )*}}%arg1, i32 {{(noundef )*}}%arg2, i32 {{(noundef )*}}%arg3){{.*}}[ "kcfi"(i32 -1751512973) ]
+    f(arg1, arg2, arg3)
+}
+
+// CHECK: ![[TYPE1]] = !{i32 975484707}
+// CHECK: ![[TYPE2]] = !{i32 1658833102}
+// CHECK: ![[TYPE3]] = !{i32 230429758}
diff --git a/tests/codegen/sanitizer-kcfi-emit-kcfi-operand-bundle-itanium-cxx-abi-normalized.rs b/tests/codegen/sanitizer-kcfi-emit-kcfi-operand-bundle-itanium-cxx-abi-normalized.rs
new file mode 100644
index 00000000000..761c37a9e06
--- /dev/null
+++ b/tests/codegen/sanitizer-kcfi-emit-kcfi-operand-bundle-itanium-cxx-abi-normalized.rs
@@ -0,0 +1,44 @@
+// Verifies that normalized KCFI type metadata for functions are emitted.
+//
+// revisions: aarch64 x86_64
+// [aarch64] compile-flags: --target aarch64-unknown-none
+// [aarch64] needs-llvm-components: aarch64
+// [x86_64] compile-flags: --target x86_64-unknown-none
+// [x86_64] needs-llvm-components:
+// compile-flags: -Cno-prepopulate-passes -Zsanitizer=kcfi -Zsanitizer-cfi-normalize-integers
+
+#![crate_type="lib"]
+#![feature(no_core, lang_items)]
+#![no_core]
+
+#[lang="sized"]
+trait Sized { }
+#[lang="copy"]
+trait Copy { }
+
+impl Copy for i32 {}
+
+pub fn foo(f: fn(i32) -> i32, arg: i32) -> i32 {
+    // CHECK-LABEL: define{{.*}}foo
+    // CHECK-SAME:  {{.*}}!{{<unknown kind #36>|kcfi_type}} ![[TYPE1:[0-9]+]]
+    // CHECK:       {{%.+}} = call {{(noundef )*}}i32 %f(i32 {{(noundef )*}}%arg){{.*}}[ "kcfi"(i32 -841055669) ]
+    f(arg)
+}
+
+pub fn bar(f: fn(i32, i32) -> i32, arg1: i32, arg2: i32) -> i32 {
+    // CHECK-LABEL: define{{.*}}bar
+    // CHECK-SAME:  {{.*}}!{{<unknown kind #36>|kcfi_type}} ![[TYPE2:[0-9]+]]
+    // CHECK:       {{%.+}} = call {{(noundef )*}}i32 %f(i32 {{(noundef )*}}%arg1, i32 {{(noundef )*}}%arg2){{.*}}[ "kcfi"(i32 1390819368) ]
+    f(arg1, arg2)
+}
+
+pub fn baz(f: fn(i32, i32, i32) -> i32, arg1: i32, arg2: i32, arg3: i32) -> i32 {
+    // CHECK-LABEL: define{{.*}}baz
+    // CHECK-SAME:  {{.*}}!{{<unknown kind #36>|kcfi_type}} ![[TYPE3:[0-9]+]]
+    // CHECK:       {{%.+}} = call {{(noundef )*}}i32 %f(i32 {{(noundef )*}}%arg1, i32 {{(noundef )*}}%arg2, i32 {{(noundef )*}}%arg3){{.*}}[ "kcfi"(i32 586925835) ]
+    f(arg1, arg2, arg3)
+}
+
+// CHECK: ![[TYPE1]] = !{i32 -458317079}
+// CHECK: ![[TYPE2]] = !{i32 1737138182}
+// CHECK: ![[TYPE3]] = !{i32 197182412}
diff --git a/tests/codegen/sanitizer-kcfi-emit-kcfi-operand-bundle-itanium-cxx-abi.rs b/tests/codegen/sanitizer-kcfi-emit-kcfi-operand-bundle-itanium-cxx-abi.rs
index 2537df80a90..83cda0ef136 100644
--- a/tests/codegen/sanitizer-kcfi-emit-kcfi-operand-bundle-itanium-cxx-abi.rs
+++ b/tests/codegen/sanitizer-kcfi-emit-kcfi-operand-bundle-itanium-cxx-abi.rs
@@ -20,22 +20,22 @@ impl Copy for i32 {}
 
 pub fn foo(f: fn(i32) -> i32, arg: i32) -> i32 {
     // CHECK-LABEL: define{{.*}}foo
-    // CHECK-SAME: {{.*}}!{{<unknown kind #36>|kcfi_type}} ![[TYPE1:[0-9]+]]
-    // CHECK: call i32 %f(i32 %arg){{.*}}[ "kcfi"(i32 -1666898348) ]
+    // CHECK-SAME:  {{.*}}!{{<unknown kind #36>|kcfi_type}} ![[TYPE1:[0-9]+]]
+    // CHECK:       {{%.+}} = call {{(noundef )*}}i32 %f(i32 {{(noundef )*}}%arg){{.*}}[ "kcfi"(i32 -1666898348) ]
     f(arg)
 }
 
 pub fn bar(f: fn(i32, i32) -> i32, arg1: i32, arg2: i32) -> i32 {
     // CHECK-LABEL: define{{.*}}bar
-    // CHECK-SAME: {{.*}}!{{<unknown kind #36>|kcfi_type}} ![[TYPE2:[0-9]+]]
-    // CHECK: call i32 %f(i32 %arg1, i32 %arg2){{.*}}[ "kcfi"(i32 -1789026986) ]
+    // CHECK-SAME:  {{.*}}!{{<unknown kind #36>|kcfi_type}} ![[TYPE2:[0-9]+]]
+    // CHECK:       {{%.+}} = call {{(noundef )*}}i32 %f(i32 {{(noundef )*}}%arg1, i32 {{(noundef )*}}%arg2){{.*}}[ "kcfi"(i32 -1789026986) ]
     f(arg1, arg2)
 }
 
 pub fn baz(f: fn(i32, i32, i32) -> i32, arg1: i32, arg2: i32, arg3: i32) -> i32 {
     // CHECK-LABEL: define{{.*}}baz
-    // CHECK-SAME: {{.*}}!{{<unknown kind #36>|kcfi_type}} ![[TYPE3:[0-9]+]]
-    // CHECK: call i32 %f(i32 %arg1, i32 %arg2, i32 %arg3){{.*}}[ "kcfi"(i32 1248878270) ]
+    // CHECK-SAME:  {{.*}}!{{<unknown kind #36>|kcfi_type}} ![[TYPE3:[0-9]+]]
+    // CHECK:       {{%.+}} = call {{(noundef )*}}i32 %f(i32 {{(noundef )*}}%arg1, i32 {{(noundef )*}}%arg2, i32 {{(noundef )*}}%arg3){{.*}}[ "kcfi"(i32 1248878270) ]
     f(arg1, arg2, arg3)
 }
 
diff --git a/tests/codegen/sanitizer-kcfi-emit-kcfi-operand-bundle.rs b/tests/codegen/sanitizer-kcfi-emit-kcfi-operand-bundle.rs
new file mode 100644
index 00000000000..e1d617b5ee1
--- /dev/null
+++ b/tests/codegen/sanitizer-kcfi-emit-kcfi-operand-bundle.rs
@@ -0,0 +1,27 @@
+// Verifies that KCFI operand bundles are emitted.
+//
+// revisions: aarch64 x86_64
+// [aarch64] compile-flags: --target aarch64-unknown-none
+// [aarch64] needs-llvm-components: aarch64
+// [x86_64] compile-flags: --target x86_64-unknown-none
+// [x86_64] needs-llvm-components:
+// compile-flags: -Cno-prepopulate-passes -Zsanitizer=kcfi -Copt-level=0
+
+#![crate_type="lib"]
+#![feature(no_core, lang_items)]
+#![no_core]
+
+#[lang="sized"]
+trait Sized { }
+#[lang="copy"]
+trait Copy { }
+
+impl Copy for i32 {}
+
+pub fn foo(f: fn(i32) -> i32, arg: i32) -> i32 {
+    // CHECK-LABEL: define{{.*}}foo{{.*}}!{{<unknown kind #36>|kcfi_type}} !{{[0-9]+}}
+    // CHECK:       start:
+    // CHECK-NEXT:  {{%.+}} = call {{(noundef )*}}i32 %f(i32 {{(noundef )*}}%arg){{.*}}[ "kcfi"(i32 {{[-0-9]+}}) ]
+    // CHECK-NEXT:  ret i32 {{%.+}}
+    f(arg)
+}
diff --git a/tests/codegen/sanitizer-kcfi-emit-type-metadata-trait-objects.rs b/tests/codegen/sanitizer-kcfi-emit-type-metadata-trait-objects.rs
new file mode 100644
index 00000000000..81e0d9344f7
--- /dev/null
+++ b/tests/codegen/sanitizer-kcfi-emit-type-metadata-trait-objects.rs
@@ -0,0 +1,69 @@
+// Verifies that type metadata identifiers for trait objects are emitted correctly.
+//
+// revisions: aarch64 x86_64
+// [aarch64] compile-flags: --target aarch64-unknown-none
+// [aarch64] needs-llvm-components: aarch64
+// [x86_64] compile-flags: --target x86_64-unknown-none
+// [x86_64] needs-llvm-components:
+// compile-flags: -Cno-prepopulate-passes -Zsanitizer=kcfi -Copt-level=0
+
+#![crate_type="lib"]
+#![feature(arbitrary_self_types, no_core, lang_items)]
+#![no_core]
+
+#[lang="sized"]
+trait Sized { }
+#[lang="copy"]
+trait Copy { }
+#[lang="receiver"]
+trait Receiver { }
+#[lang="dispatch_from_dyn"]
+trait DispatchFromDyn<T> { }
+impl<'a, T: ?Sized + Unsize<U>, U: ?Sized> DispatchFromDyn<&'a U> for &'a T {}
+#[lang = "unsize"]
+trait Unsize<T: ?Sized> { }
+#[lang = "coerce_unsized"]
+pub trait CoerceUnsized<T: ?Sized> { }
+impl<'a, 'b: 'a, T: ?Sized + Unsize<U>, U: ?Sized> CoerceUnsized<&'a U> for &'b T {}
+#[lang="freeze"]
+trait Freeze { }
+#[lang="drop_in_place"]
+fn drop_in_place_fn<T>() { }
+
+trait Trait1 {
+    fn foo(&self);
+}
+
+struct Type1;
+
+impl Trait1 for Type1 {
+    fn foo(&self) {
+    }
+}
+
+pub fn foo() {
+    let a = Type1;
+    a.foo();
+    // CHECK-LABEL: define{{.*}}foo{{.*}}!{{<unknown kind #36>|kcfi_type}} !{{[0-9]+}}
+    // CHECK:       call <sanitizer_kcfi_emit_type_metadata_trait_objects::Type1 as sanitizer_kcfi_emit_type_metadata_trait_objects::Trait1>::foo
+}
+
+pub fn bar() {
+    let a = Type1;
+    let b = &a as &dyn Trait1;
+    b.foo();
+    // CHECK-LABEL: define{{.*}}bar{{.*}}!{{<unknown kind #36>|kcfi_type}} !{{[0-9]+}}
+    // CHECK:       call void %0({{\{\}\*|ptr}} align 1 {{%b\.0|%_1}}){{.*}}[ "kcfi"(i32 [[TYPE1:[[:print:]]+]]) ]
+}
+
+pub fn baz() {
+    let a = Type1;
+    let b = &a as &dyn Trait1;
+    a.foo();
+    b.foo();
+    // CHECK-LABEL: define{{.*}}baz{{.*}}!{{<unknown kind #36>|kcfi_type}} !{{[0-9]+}}
+    // CHECK:       call <sanitizer_kcfi_emit_type_metadata_trait_objects::Type1 as sanitizer_kcfi_emit_type_metadata_trait_objects::Trait1>::foo
+    // CHECK:       call void %0({{\{\}\*|ptr}} align 1 {{%b\.0|%_1}}){{.*}}[ "kcfi"(i32 [[TYPE1:[[:print:]]+]]) ]
+}
+
+// CHECK: !{{[0-9]+}} = !{i32 [[TYPE1]]}
diff --git a/tests/codegen/slice-iter-nonnull.rs b/tests/codegen/slice-iter-nonnull.rs
new file mode 100644
index 00000000000..997bdaf5636
--- /dev/null
+++ b/tests/codegen/slice-iter-nonnull.rs
@@ -0,0 +1,77 @@
+// no-system-llvm
+// compile-flags: -O
+// ignore-debug (these add extra checks that make it hard to verify)
+#![crate_type = "lib"]
+
+// The slice iterator used to `assume` that the `start` pointer was non-null.
+// That ought to be unneeded, though, since the type is `NonNull`, so this test
+// confirms that the appropriate metadata is included to denote that.
+
+// CHECK-LABEL: @slice_iter_next(
+#[no_mangle]
+pub fn slice_iter_next<'a>(it: &mut std::slice::Iter<'a, u32>) -> Option<&'a u32> {
+    // CHECK: %[[ENDP:.+]] = getelementptr{{.+}}ptr %it,{{.+}} 1
+    // CHECK: %[[END:.+]] = load ptr, ptr %[[ENDP]]
+    // CHECK-SAME: !nonnull
+    // CHECK-SAME: !noundef
+    // CHECK: %[[START:.+]] = load ptr, ptr %it,
+    // CHECK-SAME: !nonnull
+    // CHECK-SAME: !noundef
+    // CHECK: icmp eq ptr %[[START]], %[[END]]
+
+    // CHECK: store ptr{{.+}}, ptr %it,
+
+    it.next()
+}
+
+// CHECK-LABEL: @slice_iter_next_back(
+#[no_mangle]
+pub fn slice_iter_next_back<'a>(it: &mut std::slice::Iter<'a, u32>) -> Option<&'a u32> {
+    // CHECK: %[[ENDP:.+]] = getelementptr{{.+}}ptr %it,{{.+}} 1
+    // CHECK: %[[END:.+]] = load ptr, ptr %[[ENDP]]
+    // CHECK-SAME: !nonnull
+    // CHECK-SAME: !noundef
+    // CHECK: %[[START:.+]] = load ptr, ptr %it,
+    // CHECK-SAME: !nonnull
+    // CHECK-SAME: !noundef
+    // CHECK: icmp eq ptr %[[START]], %[[END]]
+
+    // CHECK: store ptr{{.+}}, ptr %[[ENDP]],
+
+    it.next_back()
+}
+
+// The slice iterator `new` methods used to `assume` that the pointer is non-null,
+// but passing slices already requires that, to the extent that LLVM actually
+// removed the `call @llvm.assume` anyway.  These tests just demonstrate that the
+// attribute is there, and confirms adding the assume back doesn't do anything.
+
+// CHECK-LABEL: @slice_iter_new
+// CHECK-SAME: (ptr noalias noundef nonnull {{.+}} %slice.0, {{.+}} noundef %slice.1)
+#[no_mangle]
+pub fn slice_iter_new(slice: &[u32]) -> std::slice::Iter<'_, u32> {
+    // CHECK-NOT: slice
+    // CHECK: %[[END:.+]] = getelementptr inbounds i32{{.+}} %slice.0{{.+}} %slice.1
+    // CHECK-NOT: slice
+    // CHECK: insertvalue {{.+}} ptr %slice.0, 0
+    // CHECK-NOT: slice
+    // CHECK: insertvalue {{.+}} ptr %[[END]], 1
+    // CHECK-NOT: slice
+    // CHECK: }
+    slice.iter()
+}
+
+// CHECK-LABEL: @slice_iter_mut_new
+// CHECK-SAME: (ptr noalias noundef nonnull {{.+}} %slice.0, {{.+}} noundef %slice.1)
+#[no_mangle]
+pub fn slice_iter_mut_new(slice: &mut [u32]) -> std::slice::IterMut<'_, u32> {
+    // CHECK-NOT: slice
+    // CHECK: %[[END:.+]] = getelementptr inbounds i32{{.+}} %slice.0{{.+}} %slice.1
+    // CHECK-NOT: slice
+    // CHECK: insertvalue {{.+}} ptr %slice.0, 0
+    // CHECK-NOT: slice
+    // CHECK: insertvalue {{.+}} ptr %[[END]], 1
+    // CHECK-NOT: slice
+    // CHECK: }
+    slice.iter_mut()
+}
diff --git a/tests/codegen/split-lto-unit.rs b/tests/codegen/split-lto-unit.rs
new file mode 100644
index 00000000000..dc6570be32b
--- /dev/null
+++ b/tests/codegen/split-lto-unit.rs
@@ -0,0 +1,11 @@
+// Verifies that "EnableSplitLTOUnit" module flag is added.
+//
+// needs-sanitizer-cfi
+// compile-flags: -Clto -Ctarget-feature=-crt-static -Zsplit-lto-unit
+
+#![crate_type="lib"]
+
+pub fn foo() {
+}
+
+// CHECK: !{{[0-9]+}} = !{i32 4, !"EnableSplitLTOUnit", i32 1}
diff --git a/tests/codegen/vec-shrink-panik.rs b/tests/codegen/vec-shrink-panik.rs
index b3c3483fea9..88b7edff260 100644
--- a/tests/codegen/vec-shrink-panik.rs
+++ b/tests/codegen/vec-shrink-panik.rs
@@ -25,7 +25,7 @@ pub fn issue71861(vec: Vec<u32>) -> Box<[u32]> {
 
     // Call to panic_cannot_unwind in case of double-panic is expected
     // on LLVM 16 and older, but other panics are not.
-    // CHECK: cleanup
+    // old: filter
     // old-NEXT: ; call core::panicking::panic_cannot_unwind
     // old-NEXT: panic_cannot_unwind
 
@@ -40,7 +40,7 @@ pub fn issue75636<'a>(iter: &[&'a str]) -> Box<[&'a str]> {
 
     // Call to panic_cannot_unwind in case of double-panic is expected,
     // on LLVM 16 and older, but other panics are not.
-    // CHECK: cleanup
+    // old: filter
     // old-NEXT: ; call core::panicking::panic_cannot_unwind
     // old-NEXT: panic_cannot_unwind
 
diff --git a/tests/debuginfo/auxiliary/dependency-with-embedded-visualizers.rs b/tests/debuginfo/auxiliary/dependency-with-embedded-visualizers.rs
index 327515b10af..c187df637fd 100644
--- a/tests/debuginfo/auxiliary/dependency-with-embedded-visualizers.rs
+++ b/tests/debuginfo/auxiliary/dependency-with-embedded-visualizers.rs
@@ -2,7 +2,6 @@
 // ignore-lldb
 // no-prefer-dynamic
 
-#![feature(debugger_visualizer)]
 #![debugger_visualizer(natvis_file = "dependency-with-embedded-visualizers.natvis")]
 #![debugger_visualizer(gdb_script_file = "dependency-with-embedded-visualizers.py")]
 #![crate_type = "rlib"]
diff --git a/tests/debuginfo/embedded-visualizer.rs b/tests/debuginfo/embedded-visualizer.rs
index 2898e75e0ee..ac421092839 100644
--- a/tests/debuginfo/embedded-visualizer.rs
+++ b/tests/debuginfo/embedded-visualizer.rs
@@ -60,7 +60,6 @@
 // gdb-check:$4 = "Person A" is 10 years old.
 
 #![allow(unused_variables)]
-#![feature(debugger_visualizer)]
 #![debugger_visualizer(natvis_file = "embedded-visualizer.natvis")]
 #![debugger_visualizer(gdb_script_file = "embedded-visualizer.py")]
 
diff --git a/tests/debuginfo/reference-debuginfo.rs b/tests/debuginfo/reference-debuginfo.rs
new file mode 100644
index 00000000000..85ade170ac6
--- /dev/null
+++ b/tests/debuginfo/reference-debuginfo.rs
@@ -0,0 +1,173 @@
+// Copy of `borrowed-basic.rs` which enables the `ReferencePropagation` MIR pass.
+// That pass replaces debuginfo for `a => _x` where `_x = &b` to be `a => &b`,
+// and leaves codegen to create a ladder of allocations so as `*a == b`.
+//
+// compile-flags:-g -Zmir-enable-passes=+ReferencePropagation,-ConstDebugInfo
+// min-lldb-version: 310
+
+// === GDB TESTS ===================================================================================
+
+// gdb-command:run
+// gdb-command:print *bool_ref
+// gdb-check:$1 = true
+
+// gdb-command:print *int_ref
+// gdb-check:$2 = -1
+
+// gdb-command:print/d *char_ref
+// gdb-check:$3 = 97
+
+// gdb-command:print *i8_ref
+// gdbg-check:$4 = 68 'D'
+// gdbr-check:$4 = 68
+
+// gdb-command:print *i16_ref
+// gdb-check:$5 = -16
+
+// gdb-command:print *i32_ref
+// gdb-check:$6 = -32
+
+// gdb-command:print *i64_ref
+// gdb-check:$7 = -64
+
+// gdb-command:print *uint_ref
+// gdb-check:$8 = 1
+
+// gdb-command:print *u8_ref
+// gdbg-check:$9 = 100 'd'
+// gdbr-check:$9 = 100
+
+// gdb-command:print *u16_ref
+// gdb-check:$10 = 16
+
+// gdb-command:print *u32_ref
+// gdb-check:$11 = 32
+
+// gdb-command:print *u64_ref
+// gdb-check:$12 = 64
+
+// gdb-command:print *f32_ref
+// gdb-check:$13 = 2.5
+
+// gdb-command:print *f64_ref
+// gdb-check:$14 = 3.5
+
+// gdb-command:print *f64_double_ref
+// gdb-check:$15 = 3.5
+
+
+// === LLDB TESTS ==================================================================================
+
+// lldb-command:run
+// lldb-command:print *bool_ref
+// lldbg-check:[...]$0 = true
+// lldbr-check:(bool) *bool_ref = true
+
+// lldb-command:print *int_ref
+// lldbg-check:[...]$1 = -1
+// lldbr-check:(isize) *int_ref = -1
+
+// NOTE: only rust-enabled lldb supports 32bit chars
+// lldbr-command:print *char_ref
+// lldbr-check:(char) *char_ref = 'a'
+
+// lldb-command:print *i8_ref
+// lldbg-check:[...]$2 = 'D'
+// lldbr-check:(i8) *i8_ref = 68
+
+// lldb-command:print *i16_ref
+// lldbg-check:[...]$3 = -16
+// lldbr-check:(i16) *i16_ref = -16
+
+// lldb-command:print *i32_ref
+// lldbg-check:[...]$4 = -32
+// lldbr-check:(i32) *i32_ref = -32
+
+// lldb-command:print *i64_ref
+// lldbg-check:[...]$5 = -64
+// lldbr-check:(i64) *i64_ref = -64
+
+// lldb-command:print *uint_ref
+// lldbg-check:[...]$6 = 1
+// lldbr-check:(usize) *uint_ref = 1
+
+// lldb-command:print *u8_ref
+// lldbg-check:[...]$7 = 'd'
+// lldbr-check:(u8) *u8_ref = 100
+
+// lldb-command:print *u16_ref
+// lldbg-check:[...]$8 = 16
+// lldbr-check:(u16) *u16_ref = 16
+
+// lldb-command:print *u32_ref
+// lldbg-check:[...]$9 = 32
+// lldbr-check:(u32) *u32_ref = 32
+
+// lldb-command:print *u64_ref
+// lldbg-check:[...]$10 = 64
+// lldbr-check:(u64) *u64_ref = 64
+
+// lldb-command:print *f32_ref
+// lldbg-check:[...]$11 = 2.5
+// lldbr-check:(f32) *f32_ref = 2.5
+
+// lldb-command:print *f64_ref
+// lldbg-check:[...]$12 = 3.5
+// lldbr-check:(f64) *f64_ref = 3.5
+
+// lldb-command:print *f64_double_ref
+// lldbg-check:[...]$13 = 3.5
+// lldbr-check:(f64) **f64_double_ref = 3.5
+
+#![allow(unused_variables)]
+#![feature(omit_gdb_pretty_printer_section)]
+#![omit_gdb_pretty_printer_section]
+
+fn main() {
+    let bool_val: bool = true;
+    let bool_ref: &bool = &bool_val;
+
+    let int_val: isize = -1;
+    let int_ref: &isize = &int_val;
+
+    let char_val: char = 'a';
+    let char_ref: &char = &char_val;
+
+    let i8_val: i8 = 68;
+    let i8_ref: &i8 = &i8_val;
+
+    let i16_val: i16 = -16;
+    let i16_ref: &i16 = &i16_val;
+
+    let i32_val: i32 = -32;
+    let i32_ref: &i32 = &i32_val;
+
+    let i64_val: i64 = -64;
+    let i64_ref: &i64 = &i64_val;
+
+    let uint_val: usize = 1;
+    let uint_ref: &usize = &uint_val;
+
+    let u8_val: u8 = 100;
+    let u8_ref: &u8 = &u8_val;
+
+    let u16_val: u16 = 16;
+    let u16_ref: &u16 = &u16_val;
+
+    let u32_val: u32 = 32;
+    let u32_ref: &u32 = &u32_val;
+
+    let u64_val: u64 = 64;
+    let u64_ref: &u64 = &u64_val;
+
+    let f32_val: f32 = 2.5;
+    let f32_ref: &f32 = &f32_val;
+
+    let f64_val: f64 = 3.5;
+    let f64_ref: &f64 = &f64_val;
+    let f64_double_ref: &f64 = &f64_ref;
+
+    zzz(); // #break
+}
+
+fn zzz() {()}
diff --git a/tests/incremental/change_crate_dep_kind.rs b/tests/incremental/change_crate_dep_kind.rs
index 8c35f6ca000..f518266016e 100644
--- a/tests/incremental/change_crate_dep_kind.rs
+++ b/tests/incremental/change_crate_dep_kind.rs
@@ -2,6 +2,7 @@
 // detected then -Zincremental-verify-ich will trigger an assertion.
 
 // ignore-wasm32-bare compiled with panic=abort by default
+// needs-unwind
 // revisions:cfail1 cfail2
 // compile-flags: -Z query-dep-graph -Cpanic=unwind
 // build-pass (FIXME(62277): could be check-pass?)
diff --git a/tests/incremental/const-generic-type-cycle.rs b/tests/incremental/const-generic-type-cycle.rs
new file mode 100644
index 00000000000..ca7b12e9e62
--- /dev/null
+++ b/tests/incremental/const-generic-type-cycle.rs
@@ -0,0 +1,17 @@
+// Verify that we do not ICE when we try to overwrite an anon-const's type because of a trait
+// cycle.
+//
+// compile-flags: -Zincremental-ignore-spans
+// revisions: cpass cfail
+// error-pattern: cycle detected when computing type of `Bar::N`
+
+#![feature(trait_alias)]
+#![crate_type="lib"]
+
+#[cfg(cpass)]
+trait Bar<const N: usize> {}
+
+#[cfg(cfail)]
+trait Bar<const N: dyn BB> {}
+
+trait BB = Bar<{ 2 + 1 }>;
diff --git a/tests/incremental/issue-80691-bad-eval-cache.rs b/tests/incremental/issue-80691-bad-eval-cache.rs
index 1a644fd88d6..ad8a338a796 100644
--- a/tests/incremental/issue-80691-bad-eval-cache.rs
+++ b/tests/incremental/issue-80691-bad-eval-cache.rs
@@ -1,6 +1,7 @@
 // revisions: rfail1 rfail2
 // failure-status: 101
 // error-pattern: not implemented
+// needs-unwind -Cpanic=abort causes abort instead of exit(101)
 
 pub trait Interner {
     type InternedVariableKinds;
diff --git a/tests/mir-opt/bool_compare.opt1.InstCombine.diff b/tests/mir-opt/bool_compare.opt1.InstSimplify.diff
index 0af5d82d315..6c9df8f042b 100644
--- a/tests/mir-opt/bool_compare.opt1.InstCombine.diff
+++ b/tests/mir-opt/bool_compare.opt1.InstSimplify.diff
@@ -1,5 +1,5 @@
-- // MIR for `opt1` before InstCombine
-+ // MIR for `opt1` after InstCombine
+- // MIR for `opt1` before InstSimplify
++ // MIR for `opt1` after InstSimplify
   
   fn opt1(_1: bool) -> u32 {
       debug x => _1;                       // in scope 0 at $DIR/bool_compare.rs:+0:9: +0:10
diff --git a/tests/mir-opt/bool_compare.opt2.InstCombine.diff b/tests/mir-opt/bool_compare.opt2.InstSimplify.diff
index f5d1febd991..9fb3982654a 100644
--- a/tests/mir-opt/bool_compare.opt2.InstCombine.diff
+++ b/tests/mir-opt/bool_compare.opt2.InstSimplify.diff
@@ -1,5 +1,5 @@
-- // MIR for `opt2` before InstCombine
-+ // MIR for `opt2` after InstCombine
+- // MIR for `opt2` before InstSimplify
++ // MIR for `opt2` after InstSimplify
   
   fn opt2(_1: bool) -> u32 {
       debug x => _1;                       // in scope 0 at $DIR/bool_compare.rs:+0:9: +0:10
diff --git a/tests/mir-opt/bool_compare.opt3.InstCombine.diff b/tests/mir-opt/bool_compare.opt3.InstSimplify.diff
index e7432adac7d..3a47da86735 100644
--- a/tests/mir-opt/bool_compare.opt3.InstCombine.diff
+++ b/tests/mir-opt/bool_compare.opt3.InstSimplify.diff
@@ -1,5 +1,5 @@
-- // MIR for `opt3` before InstCombine
-+ // MIR for `opt3` after InstCombine
+- // MIR for `opt3` before InstSimplify
++ // MIR for `opt3` after InstSimplify
   
   fn opt3(_1: bool) -> u32 {
       debug x => _1;                       // in scope 0 at $DIR/bool_compare.rs:+0:9: +0:10
diff --git a/tests/mir-opt/bool_compare.opt4.InstCombine.diff b/tests/mir-opt/bool_compare.opt4.InstSimplify.diff
index 6b3e27772f7..5319c987d41 100644
--- a/tests/mir-opt/bool_compare.opt4.InstCombine.diff
+++ b/tests/mir-opt/bool_compare.opt4.InstSimplify.diff
@@ -1,5 +1,5 @@
-- // MIR for `opt4` before InstCombine
-+ // MIR for `opt4` after InstCombine
+- // MIR for `opt4` before InstSimplify
++ // MIR for `opt4` after InstSimplify
   
   fn opt4(_1: bool) -> u32 {
       debug x => _1;                       // in scope 0 at $DIR/bool_compare.rs:+0:9: +0:10
diff --git a/tests/mir-opt/bool_compare.rs b/tests/mir-opt/bool_compare.rs
index 4435bf5b0f2..080f7f72d11 100644
--- a/tests/mir-opt/bool_compare.rs
+++ b/tests/mir-opt/bool_compare.rs
@@ -1,21 +1,21 @@
-// unit-test: InstCombine
+// unit-test: InstSimplify
 
-// EMIT_MIR bool_compare.opt1.InstCombine.diff
+// EMIT_MIR bool_compare.opt1.InstSimplify.diff
 fn opt1(x: bool) -> u32 {
     if x != true { 0 } else { 1 }
 }
 
-// EMIT_MIR bool_compare.opt2.InstCombine.diff
+// EMIT_MIR bool_compare.opt2.InstSimplify.diff
 fn opt2(x: bool) -> u32 {
     if true != x { 0 } else { 1 }
 }
 
-// EMIT_MIR bool_compare.opt3.InstCombine.diff
+// EMIT_MIR bool_compare.opt3.InstSimplify.diff
 fn opt3(x: bool) -> u32 {
     if x == false { 0 } else { 1 }
 }
 
-// EMIT_MIR bool_compare.opt4.InstCombine.diff
+// EMIT_MIR bool_compare.opt4.InstSimplify.diff
 fn opt4(x: bool) -> u32 {
     if false == x { 0 } else { 1 }
 }
diff --git a/tests/mir-opt/building/async_await.b-{closure#0}.generator_resume.0.mir b/tests/mir-opt/building/async_await.b-{closure#0}.generator_resume.0.mir
index 9bced25a595..a9d1477b9fe 100644
--- a/tests/mir-opt/building/async_await.b-{closure#0}.generator_resume.0.mir
+++ b/tests/mir-opt/building/async_await.b-{closure#0}.generator_resume.0.mir
@@ -4,7 +4,7 @@
         _0: GeneratorSavedTy {
             ty: impl std::future::Future<Output = ()>,
             source_info: SourceInfo {
-                span: $DIR/async_await.rs:15:8: 15:14 (#8),
+                span: $DIR/async_await.rs:15:9: 15:14 (#8),
                 scope: scope[0],
             },
             ignore_for_traits: false,
@@ -12,7 +12,7 @@
         _1: GeneratorSavedTy {
             ty: impl std::future::Future<Output = ()>,
             source_info: SourceInfo {
-                span: $DIR/async_await.rs:16:8: 16:14 (#10),
+                span: $DIR/async_await.rs:16:9: 16:14 (#10),
                 scope: scope[0],
             },
             ignore_for_traits: false,
@@ -35,42 +35,42 @@ fn b::{closure#0}(_1: Pin<&mut [async fn body@$DIR/async_await.rs:14:18: 17:2]>,
     debug _task_context => _38;          // in scope 0 at $DIR/async_await.rs:+0:18: +3:2
     let mut _0: std::task::Poll<()>;     // return place in scope 0 at $DIR/async_await.rs:+0:18: +3:2
     let _3: ();                          // in scope 0 at $DIR/async_await.rs:+1:5: +1:14
-    let mut _4: impl std::future::Future<Output = ()>; // in scope 0 at $DIR/async_await.rs:+1:8: +1:14
+    let mut _4: impl std::future::Future<Output = ()>; // in scope 0 at $DIR/async_await.rs:+1:9: +1:14
     let mut _5: impl std::future::Future<Output = ()>; // in scope 0 at $DIR/async_await.rs:+1:5: +1:8
-    let mut _6: impl std::future::Future<Output = ()>; // in scope 0 at $DIR/async_await.rs:+1:8: +1:14
+    let mut _6: impl std::future::Future<Output = ()>; // in scope 0 at $DIR/async_await.rs:+1:9: +1:14
     let mut _7: ();                      // in scope 0 at $DIR/async_await.rs:+0:18: +3:2
-    let _8: ();                          // in scope 0 at $DIR/async_await.rs:+1:8: +1:14
-    let mut _9: std::task::Poll<()>;     // in scope 0 at $DIR/async_await.rs:+1:8: +1:14
-    let mut _10: std::pin::Pin<&mut impl std::future::Future<Output = ()>>; // in scope 0 at $DIR/async_await.rs:+1:8: +1:14
-    let mut _11: &mut impl std::future::Future<Output = ()>; // in scope 0 at $DIR/async_await.rs:+1:8: +1:14
-    let mut _12: &mut impl std::future::Future<Output = ()>; // in scope 0 at $DIR/async_await.rs:+1:8: +1:14
+    let _8: ();                          // in scope 0 at $DIR/async_await.rs:+1:9: +1:14
+    let mut _9: std::task::Poll<()>;     // in scope 0 at $DIR/async_await.rs:+1:9: +1:14
+    let mut _10: std::pin::Pin<&mut impl std::future::Future<Output = ()>>; // in scope 0 at $DIR/async_await.rs:+1:9: +1:14
+    let mut _11: &mut impl std::future::Future<Output = ()>; // in scope 0 at $DIR/async_await.rs:+1:9: +1:14
+    let mut _12: &mut impl std::future::Future<Output = ()>; // in scope 0 at $DIR/async_await.rs:+1:9: +1:14
     let mut _13: &mut std::task::Context<'_>; // in scope 0 at $DIR/async_await.rs:+1:5: +1:14
     let mut _14: &mut std::task::Context<'_>; // in scope 0 at $DIR/async_await.rs:+1:5: +1:14
-    let mut _15: &mut std::task::Context<'_>; // in scope 0 at $DIR/async_await.rs:+1:8: +1:14
-    let mut _16: isize;                  // in scope 0 at $DIR/async_await.rs:+1:8: +1:14
+    let mut _15: &mut std::task::Context<'_>; // in scope 0 at $DIR/async_await.rs:+1:9: +1:14
+    let mut _16: isize;                  // in scope 0 at $DIR/async_await.rs:+1:9: +1:14
     let mut _18: !;                      // in scope 0 at $DIR/async_await.rs:+1:5: +1:14
-    let mut _19: &mut std::task::Context<'_>; // in scope 0 at $DIR/async_await.rs:+1:8: +1:14
-    let mut _20: ();                     // in scope 0 at $DIR/async_await.rs:+1:8: +1:14
-    let mut _21: impl std::future::Future<Output = ()>; // in scope 0 at $DIR/async_await.rs:+2:8: +2:14
+    let mut _19: &mut std::task::Context<'_>; // in scope 0 at $DIR/async_await.rs:+1:9: +1:14
+    let mut _20: ();                     // in scope 0 at $DIR/async_await.rs:+1:9: +1:14
+    let mut _21: impl std::future::Future<Output = ()>; // in scope 0 at $DIR/async_await.rs:+2:9: +2:14
     let mut _22: impl std::future::Future<Output = ()>; // in scope 0 at $DIR/async_await.rs:+2:5: +2:8
-    let mut _23: impl std::future::Future<Output = ()>; // in scope 0 at $DIR/async_await.rs:+2:8: +2:14
-    let _24: ();                         // in scope 0 at $DIR/async_await.rs:+2:8: +2:14
-    let mut _25: std::task::Poll<()>;    // in scope 0 at $DIR/async_await.rs:+2:8: +2:14
-    let mut _26: std::pin::Pin<&mut impl std::future::Future<Output = ()>>; // in scope 0 at $DIR/async_await.rs:+2:8: +2:14
-    let mut _27: &mut impl std::future::Future<Output = ()>; // in scope 0 at $DIR/async_await.rs:+2:8: +2:14
-    let mut _28: &mut impl std::future::Future<Output = ()>; // in scope 0 at $DIR/async_await.rs:+2:8: +2:14
+    let mut _23: impl std::future::Future<Output = ()>; // in scope 0 at $DIR/async_await.rs:+2:9: +2:14
+    let _24: ();                         // in scope 0 at $DIR/async_await.rs:+2:9: +2:14
+    let mut _25: std::task::Poll<()>;    // in scope 0 at $DIR/async_await.rs:+2:9: +2:14
+    let mut _26: std::pin::Pin<&mut impl std::future::Future<Output = ()>>; // in scope 0 at $DIR/async_await.rs:+2:9: +2:14
+    let mut _27: &mut impl std::future::Future<Output = ()>; // in scope 0 at $DIR/async_await.rs:+2:9: +2:14
+    let mut _28: &mut impl std::future::Future<Output = ()>; // in scope 0 at $DIR/async_await.rs:+2:9: +2:14
     let mut _29: &mut std::task::Context<'_>; // in scope 0 at $DIR/async_await.rs:+2:5: +2:14
     let mut _30: &mut std::task::Context<'_>; // in scope 0 at $DIR/async_await.rs:+2:5: +2:14
-    let mut _31: &mut std::task::Context<'_>; // in scope 0 at $DIR/async_await.rs:+2:8: +2:14
-    let mut _32: isize;                  // in scope 0 at $DIR/async_await.rs:+2:8: +2:14
+    let mut _31: &mut std::task::Context<'_>; // in scope 0 at $DIR/async_await.rs:+2:9: +2:14
+    let mut _32: isize;                  // in scope 0 at $DIR/async_await.rs:+2:9: +2:14
     let mut _34: !;                      // in scope 0 at $DIR/async_await.rs:+2:5: +2:14
-    let mut _35: &mut std::task::Context<'_>; // in scope 0 at $DIR/async_await.rs:+2:8: +2:14
-    let mut _36: ();                     // in scope 0 at $DIR/async_await.rs:+2:8: +2:14
+    let mut _35: &mut std::task::Context<'_>; // in scope 0 at $DIR/async_await.rs:+2:9: +2:14
+    let mut _36: ();                     // in scope 0 at $DIR/async_await.rs:+2:9: +2:14
     let mut _37: ();                     // in scope 0 at $DIR/async_await.rs:+0:18: +3:2
     let mut _38: &mut std::task::Context<'_>; // in scope 0 at $DIR/async_await.rs:+0:18: +3:2
     let mut _39: u32;                    // in scope 0 at $DIR/async_await.rs:+0:18: +3:2
     scope 1 {
-        debug __awaitee => (((*(_1.0: &mut [async fn body@$DIR/async_await.rs:14:18: 17:2])) as variant#3).0: impl std::future::Future<Output = ()>); // in scope 1 at $DIR/async_await.rs:+1:8: +1:14
+        debug __awaitee => (((*(_1.0: &mut [async fn body@$DIR/async_await.rs:14:18: 17:2])) as variant#3).0: impl std::future::Future<Output = ()>); // in scope 1 at $DIR/async_await.rs:+1:9: +1:14
         let _17: ();                     // in scope 1 at $DIR/async_await.rs:+1:5: +1:14
         scope 2 {
         }
@@ -79,7 +79,7 @@ fn b::{closure#0}(_1: Pin<&mut [async fn body@$DIR/async_await.rs:14:18: 17:2]>,
         }
     }
     scope 4 {
-        debug __awaitee => (((*(_1.0: &mut [async fn body@$DIR/async_await.rs:14:18: 17:2])) as variant#4).0: impl std::future::Future<Output = ()>); // in scope 4 at $DIR/async_await.rs:+2:8: +2:14
+        debug __awaitee => (((*(_1.0: &mut [async fn body@$DIR/async_await.rs:14:18: 17:2])) as variant#4).0: impl std::future::Future<Output = ()>); // in scope 4 at $DIR/async_await.rs:+2:9: +2:14
         let _33: ();                     // in scope 4 at $DIR/async_await.rs:+2:5: +2:14
         scope 5 {
         }
@@ -96,7 +96,7 @@ fn b::{closure#0}(_1: Pin<&mut [async fn body@$DIR/async_await.rs:14:18: 17:2]>,
     bb1: {
         _38 = move _2;                   // scope 0 at $DIR/async_await.rs:+0:18: +3:2
         StorageLive(_3);                 // scope 0 at $DIR/async_await.rs:+1:5: +1:14
-        StorageLive(_4);                 // scope 0 at $DIR/async_await.rs:+1:8: +1:14
+        StorageLive(_4);                 // scope 0 at $DIR/async_await.rs:+1:9: +1:14
         StorageLive(_5);                 // scope 0 at $DIR/async_await.rs:+1:5: +1:8
         _5 = a() -> [return: bb2, unwind unreachable]; // scope 0 at $DIR/async_await.rs:+1:5: +1:8
                                          // mir::Constant
@@ -105,30 +105,30 @@ fn b::{closure#0}(_1: Pin<&mut [async fn body@$DIR/async_await.rs:14:18: 17:2]>,
     }
 
     bb2: {
-        _4 = <impl Future<Output = ()> as IntoFuture>::into_future(move _5) -> [return: bb3, unwind unreachable]; // scope 0 at $DIR/async_await.rs:+1:8: +1:14
+        _4 = <impl Future<Output = ()> as IntoFuture>::into_future(move _5) -> [return: bb3, unwind unreachable]; // scope 0 at $DIR/async_await.rs:+1:9: +1:14
                                          // mir::Constant
-                                         // + span: $DIR/async_await.rs:15:8: 15:14
+                                         // + span: $DIR/async_await.rs:15:9: 15:14
                                          // + literal: Const { ty: fn(impl Future<Output = ()>) -> <impl Future<Output = ()> as IntoFuture>::IntoFuture {<impl Future<Output = ()> as IntoFuture>::into_future}, val: Value(<ZST>) }
     }
 
     bb3: {
         StorageDead(_5);                 // scope 0 at $DIR/async_await.rs:+1:13: +1:14
-        nop;                             // scope 0 at $DIR/async_await.rs:+1:8: +1:14
-        (((*(_1.0: &mut [async fn body@$DIR/async_await.rs:14:18: 17:2])) as variant#3).0: impl std::future::Future<Output = ()>) = move _4; // scope 0 at $DIR/async_await.rs:+1:8: +1:14
-        goto -> bb4;                     // scope 1 at $DIR/async_await.rs:+1:8: +1:14
+        nop;                             // scope 0 at $DIR/async_await.rs:+1:9: +1:14
+        (((*(_1.0: &mut [async fn body@$DIR/async_await.rs:14:18: 17:2])) as variant#3).0: impl std::future::Future<Output = ()>) = move _4; // scope 0 at $DIR/async_await.rs:+1:9: +1:14
+        goto -> bb4;                     // scope 1 at $DIR/async_await.rs:+1:9: +1:14
     }
 
     bb4: {
-        StorageLive(_8);                 // scope 1 at $DIR/async_await.rs:+1:8: +1:14
-        StorageLive(_9);                 // scope 1 at $DIR/async_await.rs:+1:8: +1:14
-        StorageLive(_10);                // scope 2 at $DIR/async_await.rs:+1:8: +1:14
-        StorageLive(_11);                // scope 2 at $DIR/async_await.rs:+1:8: +1:14
-        StorageLive(_12);                // scope 2 at $DIR/async_await.rs:+1:8: +1:14
-        _12 = &mut (((*(_1.0: &mut [async fn body@$DIR/async_await.rs:14:18: 17:2])) as variant#3).0: impl std::future::Future<Output = ()>); // scope 2 at $DIR/async_await.rs:+1:8: +1:14
-        _11 = &mut (*_12);               // scope 2 at $DIR/async_await.rs:+1:8: +1:14
-        _10 = Pin::<&mut impl Future<Output = ()>>::new_unchecked(move _11) -> [return: bb5, unwind unreachable]; // scope 2 at $DIR/async_await.rs:+1:8: +1:14
+        StorageLive(_8);                 // scope 1 at $DIR/async_await.rs:+1:9: +1:14
+        StorageLive(_9);                 // scope 1 at $DIR/async_await.rs:+1:9: +1:14
+        StorageLive(_10);                // scope 2 at $DIR/async_await.rs:+1:9: +1:14
+        StorageLive(_11);                // scope 2 at $DIR/async_await.rs:+1:9: +1:14
+        StorageLive(_12);                // scope 2 at $DIR/async_await.rs:+1:9: +1:14
+        _12 = &mut (((*(_1.0: &mut [async fn body@$DIR/async_await.rs:14:18: 17:2])) as variant#3).0: impl std::future::Future<Output = ()>); // scope 2 at $DIR/async_await.rs:+1:9: +1:14
+        _11 = &mut (*_12);               // scope 2 at $DIR/async_await.rs:+1:9: +1:14
+        _10 = Pin::<&mut impl Future<Output = ()>>::new_unchecked(move _11) -> [return: bb5, unwind unreachable]; // scope 2 at $DIR/async_await.rs:+1:9: +1:14
                                          // mir::Constant
-                                         // + span: $DIR/async_await.rs:15:8: 15:14
+                                         // + span: $DIR/async_await.rs:15:9: 15:14
                                          // + literal: Const { ty: unsafe fn(&mut impl Future<Output = ()>) -> Pin<&mut impl Future<Output = ()>> {Pin::<&mut impl Future<Output = ()>>::new_unchecked}, val: Value(<ZST>) }
     }
 
@@ -136,8 +136,8 @@ fn b::{closure#0}(_1: Pin<&mut [async fn body@$DIR/async_await.rs:14:18: 17:2]>,
         StorageDead(_11);                // scope 2 at $DIR/async_await.rs:+1:13: +1:14
         StorageLive(_13);                // scope 2 at $DIR/async_await.rs:+1:5: +1:14
         StorageLive(_14);                // scope 2 at $DIR/async_await.rs:+1:5: +1:14
-        StorageLive(_15);                // scope 2 at $DIR/async_await.rs:+1:8: +1:14
-        _15 = _38;                       // scope 2 at $DIR/async_await.rs:+1:8: +1:14
+        StorageLive(_15);                // scope 2 at $DIR/async_await.rs:+1:9: +1:14
+        _15 = _38;                       // scope 2 at $DIR/async_await.rs:+1:9: +1:14
         _14 = move _15;                  // scope 2 at $DIR/async_await.rs:+1:5: +1:14
         goto -> bb6;                     // scope 2 at $DIR/async_await.rs:+1:5: +1:14
     }
@@ -145,35 +145,35 @@ fn b::{closure#0}(_1: Pin<&mut [async fn body@$DIR/async_await.rs:14:18: 17:2]>,
     bb6: {
         _13 = &mut (*_14);               // scope 2 at $DIR/async_await.rs:+1:5: +1:14
         StorageDead(_15);                // scope 2 at $DIR/async_await.rs:+1:13: +1:14
-        _9 = <impl Future<Output = ()> as Future>::poll(move _10, move _13) -> [return: bb7, unwind unreachable]; // scope 2 at $DIR/async_await.rs:+1:8: +1:14
+        _9 = <impl Future<Output = ()> as Future>::poll(move _10, move _13) -> [return: bb7, unwind unreachable]; // scope 2 at $DIR/async_await.rs:+1:9: +1:14
                                          // mir::Constant
-                                         // + span: $DIR/async_await.rs:15:8: 15:14
+                                         // + span: $DIR/async_await.rs:15:9: 15:14
                                          // + literal: Const { ty: for<'a, 'b, 'c> fn(Pin<&'a mut impl Future<Output = ()>>, &'b mut Context<'c>) -> Poll<<impl Future<Output = ()> as Future>::Output> {<impl Future<Output = ()> as Future>::poll}, val: Value(<ZST>) }
     }
 
     bb7: {
         StorageDead(_13);                // scope 2 at $DIR/async_await.rs:+1:13: +1:14
         StorageDead(_10);                // scope 2 at $DIR/async_await.rs:+1:13: +1:14
-        _16 = discriminant(_9);          // scope 1 at $DIR/async_await.rs:+1:8: +1:14
-        switchInt(move _16) -> [0: bb10, 1: bb8, otherwise: bb9]; // scope 1 at $DIR/async_await.rs:+1:8: +1:14
+        _16 = discriminant(_9);          // scope 1 at $DIR/async_await.rs:+1:9: +1:14
+        switchInt(move _16) -> [0: bb10, 1: bb8, otherwise: bb9]; // scope 1 at $DIR/async_await.rs:+1:9: +1:14
     }
 
     bb8: {
-        _8 = const ();                   // scope 1 at $DIR/async_await.rs:+1:8: +1:14
+        _8 = const ();                   // scope 1 at $DIR/async_await.rs:+1:9: +1:14
         StorageDead(_14);                // scope 1 at $DIR/async_await.rs:+1:13: +1:14
         StorageDead(_12);                // scope 1 at $DIR/async_await.rs:+1:13: +1:14
         StorageDead(_9);                 // scope 1 at $DIR/async_await.rs:+1:13: +1:14
         StorageDead(_8);                 // scope 1 at $DIR/async_await.rs:+1:13: +1:14
-        StorageLive(_19);                // scope 1 at $DIR/async_await.rs:+1:8: +1:14
-        StorageLive(_20);                // scope 1 at $DIR/async_await.rs:+1:8: +1:14
-        _20 = ();                        // scope 1 at $DIR/async_await.rs:+1:8: +1:14
-        _0 = Poll::<()>::Pending;        // scope 1 at $DIR/async_await.rs:+1:8: +1:14
-        discriminant((*(_1.0: &mut [async fn body@$DIR/async_await.rs:14:18: 17:2]))) = 3; // scope 1 at $DIR/async_await.rs:+1:8: +1:14
-        return;                          // scope 1 at $DIR/async_await.rs:+1:8: +1:14
+        StorageLive(_19);                // scope 1 at $DIR/async_await.rs:+1:9: +1:14
+        StorageLive(_20);                // scope 1 at $DIR/async_await.rs:+1:9: +1:14
+        _20 = ();                        // scope 1 at $DIR/async_await.rs:+1:9: +1:14
+        _0 = Poll::<()>::Pending;        // scope 1 at $DIR/async_await.rs:+1:9: +1:14
+        discriminant((*(_1.0: &mut [async fn body@$DIR/async_await.rs:14:18: 17:2]))) = 3; // scope 1 at $DIR/async_await.rs:+1:9: +1:14
+        return;                          // scope 1 at $DIR/async_await.rs:+1:9: +1:14
     }
 
     bb9: {
-        unreachable;                     // scope 1 at $DIR/async_await.rs:+1:8: +1:14
+        unreachable;                     // scope 1 at $DIR/async_await.rs:+1:9: +1:14
     }
 
     bb10: {
@@ -190,10 +190,10 @@ fn b::{closure#0}(_1: Pin<&mut [async fn body@$DIR/async_await.rs:14:18: 17:2]>,
 
     bb11: {
         StorageDead(_20);                // scope 1 at $DIR/async_await.rs:+1:13: +1:14
-        _38 = move _19;                  // scope 1 at $DIR/async_await.rs:+1:8: +1:14
+        _38 = move _19;                  // scope 1 at $DIR/async_await.rs:+1:9: +1:14
         StorageDead(_19);                // scope 1 at $DIR/async_await.rs:+1:13: +1:14
-        _7 = const ();                   // scope 1 at $DIR/async_await.rs:+1:8: +1:14
-        goto -> bb4;                     // scope 1 at $DIR/async_await.rs:+1:8: +1:14
+        _7 = const ();                   // scope 1 at $DIR/async_await.rs:+1:9: +1:14
+        goto -> bb4;                     // scope 1 at $DIR/async_await.rs:+1:9: +1:14
     }
 
     bb12: {
@@ -204,7 +204,7 @@ fn b::{closure#0}(_1: Pin<&mut [async fn body@$DIR/async_await.rs:14:18: 17:2]>,
     bb13: {
         StorageDead(_4);                 // scope 0 at $DIR/async_await.rs:+1:14: +1:15
         StorageDead(_3);                 // scope 0 at $DIR/async_await.rs:+1:14: +1:15
-        StorageLive(_21);                // scope 0 at $DIR/async_await.rs:+2:8: +2:14
+        StorageLive(_21);                // scope 0 at $DIR/async_await.rs:+2:9: +2:14
         StorageLive(_22);                // scope 0 at $DIR/async_await.rs:+2:5: +2:8
         _22 = a() -> [return: bb14, unwind unreachable]; // scope 0 at $DIR/async_await.rs:+2:5: +2:8
                                          // mir::Constant
@@ -213,30 +213,30 @@ fn b::{closure#0}(_1: Pin<&mut [async fn body@$DIR/async_await.rs:14:18: 17:2]>,
     }
 
     bb14: {
-        _21 = <impl Future<Output = ()> as IntoFuture>::into_future(move _22) -> [return: bb15, unwind unreachable]; // scope 0 at $DIR/async_await.rs:+2:8: +2:14
+        _21 = <impl Future<Output = ()> as IntoFuture>::into_future(move _22) -> [return: bb15, unwind unreachable]; // scope 0 at $DIR/async_await.rs:+2:9: +2:14
                                          // mir::Constant
-                                         // + span: $DIR/async_await.rs:16:8: 16:14
+                                         // + span: $DIR/async_await.rs:16:9: 16:14
                                          // + literal: Const { ty: fn(impl Future<Output = ()>) -> <impl Future<Output = ()> as IntoFuture>::IntoFuture {<impl Future<Output = ()> as IntoFuture>::into_future}, val: Value(<ZST>) }
     }
 
     bb15: {
         StorageDead(_22);                // scope 0 at $DIR/async_await.rs:+2:13: +2:14
-        nop;                             // scope 0 at $DIR/async_await.rs:+2:8: +2:14
-        (((*(_1.0: &mut [async fn body@$DIR/async_await.rs:14:18: 17:2])) as variant#4).0: impl std::future::Future<Output = ()>) = move _21; // scope 0 at $DIR/async_await.rs:+2:8: +2:14
-        goto -> bb16;                    // scope 4 at $DIR/async_await.rs:+2:8: +2:14
+        nop;                             // scope 0 at $DIR/async_await.rs:+2:9: +2:14
+        (((*(_1.0: &mut [async fn body@$DIR/async_await.rs:14:18: 17:2])) as variant#4).0: impl std::future::Future<Output = ()>) = move _21; // scope 0 at $DIR/async_await.rs:+2:9: +2:14
+        goto -> bb16;                    // scope 4 at $DIR/async_await.rs:+2:9: +2:14
     }
 
     bb16: {
-        StorageLive(_24);                // scope 4 at $DIR/async_await.rs:+2:8: +2:14
-        StorageLive(_25);                // scope 4 at $DIR/async_await.rs:+2:8: +2:14
-        StorageLive(_26);                // scope 5 at $DIR/async_await.rs:+2:8: +2:14
-        StorageLive(_27);                // scope 5 at $DIR/async_await.rs:+2:8: +2:14
-        StorageLive(_28);                // scope 5 at $DIR/async_await.rs:+2:8: +2:14
-        _28 = &mut (((*(_1.0: &mut [async fn body@$DIR/async_await.rs:14:18: 17:2])) as variant#4).0: impl std::future::Future<Output = ()>); // scope 5 at $DIR/async_await.rs:+2:8: +2:14
-        _27 = &mut (*_28);               // scope 5 at $DIR/async_await.rs:+2:8: +2:14
-        _26 = Pin::<&mut impl Future<Output = ()>>::new_unchecked(move _27) -> [return: bb17, unwind unreachable]; // scope 5 at $DIR/async_await.rs:+2:8: +2:14
+        StorageLive(_24);                // scope 4 at $DIR/async_await.rs:+2:9: +2:14
+        StorageLive(_25);                // scope 4 at $DIR/async_await.rs:+2:9: +2:14
+        StorageLive(_26);                // scope 5 at $DIR/async_await.rs:+2:9: +2:14
+        StorageLive(_27);                // scope 5 at $DIR/async_await.rs:+2:9: +2:14
+        StorageLive(_28);                // scope 5 at $DIR/async_await.rs:+2:9: +2:14
+        _28 = &mut (((*(_1.0: &mut [async fn body@$DIR/async_await.rs:14:18: 17:2])) as variant#4).0: impl std::future::Future<Output = ()>); // scope 5 at $DIR/async_await.rs:+2:9: +2:14
+        _27 = &mut (*_28);               // scope 5 at $DIR/async_await.rs:+2:9: +2:14
+        _26 = Pin::<&mut impl Future<Output = ()>>::new_unchecked(move _27) -> [return: bb17, unwind unreachable]; // scope 5 at $DIR/async_await.rs:+2:9: +2:14
                                          // mir::Constant
-                                         // + span: $DIR/async_await.rs:16:8: 16:14
+                                         // + span: $DIR/async_await.rs:16:9: 16:14
                                          // + literal: Const { ty: unsafe fn(&mut impl Future<Output = ()>) -> Pin<&mut impl Future<Output = ()>> {Pin::<&mut impl Future<Output = ()>>::new_unchecked}, val: Value(<ZST>) }
     }
 
@@ -244,8 +244,8 @@ fn b::{closure#0}(_1: Pin<&mut [async fn body@$DIR/async_await.rs:14:18: 17:2]>,
         StorageDead(_27);                // scope 5 at $DIR/async_await.rs:+2:13: +2:14
         StorageLive(_29);                // scope 5 at $DIR/async_await.rs:+2:5: +2:14
         StorageLive(_30);                // scope 5 at $DIR/async_await.rs:+2:5: +2:14
-        StorageLive(_31);                // scope 5 at $DIR/async_await.rs:+2:8: +2:14
-        _31 = _38;                       // scope 5 at $DIR/async_await.rs:+2:8: +2:14
+        StorageLive(_31);                // scope 5 at $DIR/async_await.rs:+2:9: +2:14
+        _31 = _38;                       // scope 5 at $DIR/async_await.rs:+2:9: +2:14
         _30 = move _31;                  // scope 5 at $DIR/async_await.rs:+2:5: +2:14
         goto -> bb18;                    // scope 5 at $DIR/async_await.rs:+2:5: +2:14
     }
@@ -253,31 +253,31 @@ fn b::{closure#0}(_1: Pin<&mut [async fn body@$DIR/async_await.rs:14:18: 17:2]>,
     bb18: {
         _29 = &mut (*_30);               // scope 5 at $DIR/async_await.rs:+2:5: +2:14
         StorageDead(_31);                // scope 5 at $DIR/async_await.rs:+2:13: +2:14
-        _25 = <impl Future<Output = ()> as Future>::poll(move _26, move _29) -> [return: bb19, unwind unreachable]; // scope 5 at $DIR/async_await.rs:+2:8: +2:14
+        _25 = <impl Future<Output = ()> as Future>::poll(move _26, move _29) -> [return: bb19, unwind unreachable]; // scope 5 at $DIR/async_await.rs:+2:9: +2:14
                                          // mir::Constant
-                                         // + span: $DIR/async_await.rs:16:8: 16:14
+                                         // + span: $DIR/async_await.rs:16:9: 16:14
                                          // + literal: Const { ty: for<'a, 'b, 'c> fn(Pin<&'a mut impl Future<Output = ()>>, &'b mut Context<'c>) -> Poll<<impl Future<Output = ()> as Future>::Output> {<impl Future<Output = ()> as Future>::poll}, val: Value(<ZST>) }
     }
 
     bb19: {
         StorageDead(_29);                // scope 5 at $DIR/async_await.rs:+2:13: +2:14
         StorageDead(_26);                // scope 5 at $DIR/async_await.rs:+2:13: +2:14
-        _32 = discriminant(_25);         // scope 4 at $DIR/async_await.rs:+2:8: +2:14
-        switchInt(move _32) -> [0: bb21, 1: bb20, otherwise: bb9]; // scope 4 at $DIR/async_await.rs:+2:8: +2:14
+        _32 = discriminant(_25);         // scope 4 at $DIR/async_await.rs:+2:9: +2:14
+        switchInt(move _32) -> [0: bb21, 1: bb20, otherwise: bb9]; // scope 4 at $DIR/async_await.rs:+2:9: +2:14
     }
 
     bb20: {
-        _24 = const ();                  // scope 4 at $DIR/async_await.rs:+2:8: +2:14
+        _24 = const ();                  // scope 4 at $DIR/async_await.rs:+2:9: +2:14
         StorageDead(_30);                // scope 4 at $DIR/async_await.rs:+2:13: +2:14
         StorageDead(_28);                // scope 4 at $DIR/async_await.rs:+2:13: +2:14
         StorageDead(_25);                // scope 4 at $DIR/async_await.rs:+2:13: +2:14
         StorageDead(_24);                // scope 4 at $DIR/async_await.rs:+2:13: +2:14
-        StorageLive(_35);                // scope 4 at $DIR/async_await.rs:+2:8: +2:14
-        StorageLive(_36);                // scope 4 at $DIR/async_await.rs:+2:8: +2:14
-        _36 = ();                        // scope 4 at $DIR/async_await.rs:+2:8: +2:14
-        _0 = Poll::<()>::Pending;        // scope 4 at $DIR/async_await.rs:+2:8: +2:14
-        discriminant((*(_1.0: &mut [async fn body@$DIR/async_await.rs:14:18: 17:2]))) = 4; // scope 4 at $DIR/async_await.rs:+2:8: +2:14
-        return;                          // scope 4 at $DIR/async_await.rs:+2:8: +2:14
+        StorageLive(_35);                // scope 4 at $DIR/async_await.rs:+2:9: +2:14
+        StorageLive(_36);                // scope 4 at $DIR/async_await.rs:+2:9: +2:14
+        _36 = ();                        // scope 4 at $DIR/async_await.rs:+2:9: +2:14
+        _0 = Poll::<()>::Pending;        // scope 4 at $DIR/async_await.rs:+2:9: +2:14
+        discriminant((*(_1.0: &mut [async fn body@$DIR/async_await.rs:14:18: 17:2]))) = 4; // scope 4 at $DIR/async_await.rs:+2:9: +2:14
+        return;                          // scope 4 at $DIR/async_await.rs:+2:9: +2:14
     }
 
     bb21: {
@@ -294,10 +294,10 @@ fn b::{closure#0}(_1: Pin<&mut [async fn body@$DIR/async_await.rs:14:18: 17:2]>,
 
     bb22: {
         StorageDead(_36);                // scope 4 at $DIR/async_await.rs:+2:13: +2:14
-        _38 = move _35;                  // scope 4 at $DIR/async_await.rs:+2:8: +2:14
+        _38 = move _35;                  // scope 4 at $DIR/async_await.rs:+2:9: +2:14
         StorageDead(_35);                // scope 4 at $DIR/async_await.rs:+2:13: +2:14
-        _7 = const ();                   // scope 4 at $DIR/async_await.rs:+2:8: +2:14
-        goto -> bb16;                    // scope 4 at $DIR/async_await.rs:+2:8: +2:14
+        _7 = const ();                   // scope 4 at $DIR/async_await.rs:+2:9: +2:14
+        goto -> bb16;                    // scope 4 at $DIR/async_await.rs:+2:9: +2:14
     }
 
     bb23: {
diff --git a/tests/mir-opt/building/custom/projections.copy_for_deref.built.after.mir b/tests/mir-opt/building/custom/projections.copy_for_deref.built.after.mir
new file mode 100644
index 00000000000..5233d0489c6
--- /dev/null
+++ b/tests/mir-opt/building/custom/projections.copy_for_deref.built.after.mir
@@ -0,0 +1,12 @@
+// MIR for `copy_for_deref` after built
+
+fn copy_for_deref(_1: (&i32, i32)) -> i32 {
+    let mut _0: i32;                     // return place in scope 0 at $DIR/projections.rs:+0:38: +0:41
+    let mut _2: &i32;                    // in scope 0 at $SRC_DIR/core/src/intrinsics/mir.rs:LL:COL
+
+    bb0: {
+        _2 = deref_copy (_1.0: &i32);    // scope 0 at $DIR/projections.rs:+4:13: +4:37
+        _0 = (*_2);                      // scope 0 at $DIR/projections.rs:+5:13: +5:24
+        return;                          // scope 0 at $DIR/projections.rs:+6:13: +6:21
+    }
+}
diff --git a/tests/mir-opt/building/custom/projections.rs b/tests/mir-opt/building/custom/projections.rs
index 5e472e531c7..3c155deae4b 100644
--- a/tests/mir-opt/building/custom/projections.rs
+++ b/tests/mir-opt/building/custom/projections.rs
@@ -21,13 +21,10 @@ fn unions(u: U) -> i32 {
 #[custom_mir(dialect = "analysis", phase = "post-cleanup")]
 fn tuples(i: (u32, i32)) -> (u32, i32) {
     mir!(
-        // FIXME(JakobDegen): This is necessary because we can't give type hints for `RET`
-        let temp: (u32, i32);
+        type RET = (u32, i32);
         {
-            temp.0 = i.0;
-            temp.1 = i.1;
-
-            RET = temp;
+            RET.0 = i.0;
+            RET.1 = i.1;
             Return()
         }
     )
@@ -71,6 +68,19 @@ fn simple_index(a: [i32; 10], b: &[i32]) -> i32 {
     })
 }
 
+// EMIT_MIR projections.copy_for_deref.built.after.mir
+#[custom_mir(dialect = "runtime", phase = "initial")]
+fn copy_for_deref(x: (&i32, i32)) -> i32 {
+    mir!(
+        let temp: &i32;
+        {
+            temp = CopyForDeref(x.0);
+            RET = *temp;
+            Return()
+        }
+    )
+}
+
 fn main() {
     assert_eq!(unions(U { a: 5 }), 5);
     assert_eq!(tuples((5, 6)), (5, 6));
@@ -82,4 +92,7 @@ fn main() {
     assert_eq!(o, Some(10));
 
     assert_eq!(simple_index([0; 10], &[0; 10]), 0);
+
+    let one = 1;
+    assert_eq!(copy_for_deref((&one, one)), 1);
 }
diff --git a/tests/mir-opt/building/custom/projections.tuples.built.after.mir b/tests/mir-opt/building/custom/projections.tuples.built.after.mir
index 65487d3c9ed..dec575200c6 100644
--- a/tests/mir-opt/building/custom/projections.tuples.built.after.mir
+++ b/tests/mir-opt/building/custom/projections.tuples.built.after.mir
@@ -2,12 +2,10 @@
 
 fn tuples(_1: (u32, i32)) -> (u32, i32) {
     let mut _0: (u32, i32);              // return place in scope 0 at $DIR/projections.rs:+0:29: +0:39
-    let mut _2: (u32, i32);              // in scope 0 at $SRC_DIR/core/src/intrinsics/mir.rs:LL:COL
 
     bb0: {
-        (_2.0: u32) = (_1.0: u32);       // scope 0 at $DIR/projections.rs:+5:13: +5:25
-        (_2.1: i32) = (_1.1: i32);       // scope 0 at $DIR/projections.rs:+6:13: +6:25
-        _0 = _2;                         // scope 0 at $DIR/projections.rs:+8:13: +8:23
-        return;                          // scope 0 at $DIR/projections.rs:+9:13: +9:21
+        (_0.0: u32) = (_1.0: u32);       // scope 0 at $DIR/projections.rs:+4:13: +4:24
+        (_0.1: i32) = (_1.1: i32);       // scope 0 at $DIR/projections.rs:+5:13: +5:24
+        return;                          // scope 0 at $DIR/projections.rs:+6:13: +6:21
     }
 }
diff --git a/tests/mir-opt/casts.redundant.InstCombine.diff b/tests/mir-opt/casts.redundant.InstSimplify.diff
index 528a8e5a90f..a641b69deb0 100644
--- a/tests/mir-opt/casts.redundant.InstCombine.diff
+++ b/tests/mir-opt/casts.redundant.InstSimplify.diff
@@ -1,5 +1,5 @@
-- // MIR for `redundant` before InstCombine
-+ // MIR for `redundant` after InstCombine
+- // MIR for `redundant` before InstSimplify
++ // MIR for `redundant` after InstSimplify
   
   fn redundant(_1: *const &u8) -> *const &u8 {
       debug x => _1;                       // in scope 0 at $DIR/casts.rs:+0:30: +0:31
diff --git a/tests/mir-opt/casts.rs b/tests/mir-opt/casts.rs
index 259c462da3d..413b0e09d3f 100644
--- a/tests/mir-opt/casts.rs
+++ b/tests/mir-opt/casts.rs
@@ -1,6 +1,6 @@
 #![crate_type = "lib"]
 
-// EMIT_MIR casts.redundant.InstCombine.diff
+// EMIT_MIR casts.redundant.InstSimplify.diff
 // EMIT_MIR casts.redundant.PreCodegen.after.mir
 pub fn redundant<'a, 'b: 'a>(x: *const &'a u8) -> *const &'a u8 {
     generic_cast::<&'a u8, &'b u8>(x) as *const &'a u8
diff --git a/tests/mir-opt/combine_array_len.norm2.InstCombine.diff b/tests/mir-opt/combine_array_len.norm2.InstSimplify.diff
index c73150f947d..0777007cefa 100644
--- a/tests/mir-opt/combine_array_len.norm2.InstCombine.diff
+++ b/tests/mir-opt/combine_array_len.norm2.InstSimplify.diff
@@ -1,5 +1,5 @@
-- // MIR for `norm2` before InstCombine
-+ // MIR for `norm2` after InstCombine
+- // MIR for `norm2` before InstSimplify
++ // MIR for `norm2` after InstSimplify
   
   fn norm2(_1: [f32; 2]) -> f32 {
       debug x => _1;                       // in scope 0 at $DIR/combine_array_len.rs:+0:10: +0:11
diff --git a/tests/mir-opt/combine_array_len.rs b/tests/mir-opt/combine_array_len.rs
index 08c5f1a1fc5..970cafafcf0 100644
--- a/tests/mir-opt/combine_array_len.rs
+++ b/tests/mir-opt/combine_array_len.rs
@@ -1,6 +1,6 @@
 // ignore-wasm32 compiled with panic=abort by default
-// unit-test: InstCombine
-// EMIT_MIR combine_array_len.norm2.InstCombine.diff
+// unit-test: InstSimplify
+// EMIT_MIR combine_array_len.norm2.InstSimplify.diff
 
 fn norm2(x: [f32; 2]) -> f32 {
     let a = x[0];
diff --git a/tests/mir-opt/combine_clone_of_primitives.rs b/tests/mir-opt/combine_clone_of_primitives.rs
index 7cc50a86e21..1deee9dd6d2 100644
--- a/tests/mir-opt/combine_clone_of_primitives.rs
+++ b/tests/mir-opt/combine_clone_of_primitives.rs
@@ -1,7 +1,7 @@
-// unit-test: InstCombine
+// unit-test: InstSimplify
 // ignore-wasm32 compiled with panic=abort by default
 
-// EMIT_MIR combine_clone_of_primitives.{impl#0}-clone.InstCombine.diff
+// EMIT_MIR combine_clone_of_primitives.{impl#0}-clone.InstSimplify.diff
 
 #[derive(Clone)]
 struct MyThing<T> {
diff --git a/tests/mir-opt/combine_clone_of_primitives.{impl#0}-clone.InstCombine.diff b/tests/mir-opt/combine_clone_of_primitives.{impl#0}-clone.InstSimplify.diff
index b715a544ffe..bb0811a7abb 100644
--- a/tests/mir-opt/combine_clone_of_primitives.{impl#0}-clone.InstCombine.diff
+++ b/tests/mir-opt/combine_clone_of_primitives.{impl#0}-clone.InstSimplify.diff
@@ -1,5 +1,5 @@
-- // MIR for `<impl at $DIR/combine_clone_of_primitives.rs:6:10: 6:15>::clone` before InstCombine
-+ // MIR for `<impl at $DIR/combine_clone_of_primitives.rs:6:10: 6:15>::clone` after InstCombine
+- // MIR for `<impl at $DIR/combine_clone_of_primitives.rs:6:10: 6:15>::clone` before InstSimplify
++ // MIR for `<impl at $DIR/combine_clone_of_primitives.rs:6:10: 6:15>::clone` after InstSimplify
   
   fn <impl at $DIR/combine_clone_of_primitives.rs:6:10: 6:15>::clone(_1: &MyThing<T>) -> MyThing<T> {
       debug self => _1;                    // in scope 0 at $DIR/combine_clone_of_primitives.rs:+0:10: +0:15
diff --git a/tests/mir-opt/combine_transmutes.adt_transmutes.InstCombine.diff b/tests/mir-opt/combine_transmutes.adt_transmutes.InstCombine.diff
deleted file mode 100644
index 168e8c61031..00000000000
--- a/tests/mir-opt/combine_transmutes.adt_transmutes.InstCombine.diff
+++ /dev/null
@@ -1,158 +0,0 @@
-- // MIR for `adt_transmutes` before InstCombine
-+ // MIR for `adt_transmutes` after InstCombine
-  
-  fn adt_transmutes() -> () {
-      let mut _0: ();                      // return place in scope 0 at $DIR/combine_transmutes.rs:+0:32: +0:32
-      let _1: u8;                          // in scope 0 at $DIR/combine_transmutes.rs:+1:9: +1:11
-      let mut _2: EnumNoRepr;              // in scope 0 at $DIR/combine_transmutes.rs:+1:28: +1:41
-      let mut _4: EnumNoRepr;              // in scope 0 at $DIR/combine_transmutes.rs:+2:28: +2:41
-      let mut _6: EnumReprIsize;           // in scope 0 at $DIR/combine_transmutes.rs:+3:31: +3:47
-      let mut _8: EnumReprIsize;           // in scope 0 at $DIR/combine_transmutes.rs:+4:31: +4:47
-      let mut _10: std::cmp::Ordering;     // in scope 0 at $DIR/combine_transmutes.rs:+5:28: +5:52
-      let mut _12: std::cmp::Ordering;     // in scope 0 at $DIR/combine_transmutes.rs:+6:28: +6:52
-      let mut _14: std::option::Option<std::num::NonZeroU8>; // in scope 0 at $DIR/combine_transmutes.rs:+7:28: +7:58
-      let mut _16: std::num::Wrapping<i16>; // in scope 0 at $DIR/combine_transmutes.rs:+8:29: +8:54
-      let mut _18: std::num::Wrapping<i16>; // in scope 0 at $DIR/combine_transmutes.rs:+9:29: +9:54
-      let mut _20: Union32;                // in scope 0 at $DIR/combine_transmutes.rs:+10:29: +10:47
-      let mut _22: Union32;                // in scope 0 at $DIR/combine_transmutes.rs:+11:29: +11:47
-      let mut _24: std::mem::MaybeUninit<std::string::String>; // in scope 0 at $DIR/combine_transmutes.rs:+12:46: +12:77
-      scope 1 {
-          debug _a => _1;                  // in scope 1 at $DIR/combine_transmutes.rs:+1:9: +1:11
-          let _3: i8;                      // in scope 1 at $DIR/combine_transmutes.rs:+2:9: +2:11
-          scope 2 {
-              debug _a => _3;              // in scope 2 at $DIR/combine_transmutes.rs:+2:9: +2:11
-              let _5: usize;               // in scope 2 at $DIR/combine_transmutes.rs:+3:9: +3:11
-              scope 3 {
-                  debug _a => _5;          // in scope 3 at $DIR/combine_transmutes.rs:+3:9: +3:11
-                  let _7: isize;           // in scope 3 at $DIR/combine_transmutes.rs:+4:9: +4:11
-                  scope 4 {
-                      debug _a => _7;      // in scope 4 at $DIR/combine_transmutes.rs:+4:9: +4:11
-                      let _9: u8;          // in scope 4 at $DIR/combine_transmutes.rs:+5:9: +5:11
-                      scope 5 {
-                          debug _a => _9;  // in scope 5 at $DIR/combine_transmutes.rs:+5:9: +5:11
-                          let _11: i8;     // in scope 5 at $DIR/combine_transmutes.rs:+6:9: +6:11
-                          scope 6 {
-                              debug _a => _11; // in scope 6 at $DIR/combine_transmutes.rs:+6:9: +6:11
-                              let _13: u8; // in scope 6 at $DIR/combine_transmutes.rs:+7:9: +7:11
-                              scope 7 {
-                                  debug _a => _13; // in scope 7 at $DIR/combine_transmutes.rs:+7:9: +7:11
-                                  let _15: i16; // in scope 7 at $DIR/combine_transmutes.rs:+8:9: +8:11
-                                  scope 8 {
-                                      debug _a => _15; // in scope 8 at $DIR/combine_transmutes.rs:+8:9: +8:11
-                                      let _17: u16; // in scope 8 at $DIR/combine_transmutes.rs:+9:9: +9:11
-                                      scope 9 {
-                                          debug _a => _17; // in scope 9 at $DIR/combine_transmutes.rs:+9:9: +9:11
-                                          let _19: u32; // in scope 9 at $DIR/combine_transmutes.rs:+10:9: +10:11
-                                          scope 10 {
-                                              debug _a => _19; // in scope 10 at $DIR/combine_transmutes.rs:+10:9: +10:11
-                                              let _21: i32; // in scope 10 at $DIR/combine_transmutes.rs:+11:9: +11:11
-                                              scope 11 {
-                                                  debug _a => _21; // in scope 11 at $DIR/combine_transmutes.rs:+11:9: +11:11
-                                                  let _23: std::mem::ManuallyDrop<std::string::String>; // in scope 11 at $DIR/combine_transmutes.rs:+12:9: +12:11
-                                                  scope 12 {
-                                                      debug _a => _23; // in scope 12 at $DIR/combine_transmutes.rs:+12:9: +12:11
-                                                  }
-                                              }
-                                          }
-                                      }
-                                  }
-                              }
-                          }
-                      }
-                  }
-              }
-          }
-      }
-  
-      bb0: {
-          StorageLive(_1);                 // scope 0 at $DIR/combine_transmutes.rs:+1:9: +1:11
-          StorageLive(_2);                 // scope 0 at $DIR/combine_transmutes.rs:+1:28: +1:41
-          _2 = EnumNoRepr::A;              // scope 0 at $DIR/combine_transmutes.rs:+1:28: +1:41
-          _1 = move _2 as u8 (Transmute);  // scope 0 at $DIR/combine_transmutes.rs:+1:18: +1:42
-          StorageDead(_2);                 // scope 0 at $DIR/combine_transmutes.rs:+1:41: +1:42
-          StorageLive(_3);                 // scope 1 at $DIR/combine_transmutes.rs:+2:9: +2:11
-          StorageLive(_4);                 // scope 1 at $DIR/combine_transmutes.rs:+2:28: +2:41
-          _4 = EnumNoRepr::B;              // scope 1 at $DIR/combine_transmutes.rs:+2:28: +2:41
-          _3 = move _4 as i8 (Transmute);  // scope 1 at $DIR/combine_transmutes.rs:+2:18: +2:42
-          StorageDead(_4);                 // scope 1 at $DIR/combine_transmutes.rs:+2:41: +2:42
-          StorageLive(_5);                 // scope 2 at $DIR/combine_transmutes.rs:+3:9: +3:11
-          StorageLive(_6);                 // scope 2 at $DIR/combine_transmutes.rs:+3:31: +3:47
-          _6 = EnumReprIsize::A;           // scope 2 at $DIR/combine_transmutes.rs:+3:31: +3:47
-          _5 = move _6 as usize (Transmute); // scope 2 at $DIR/combine_transmutes.rs:+3:21: +3:48
-          StorageDead(_6);                 // scope 2 at $DIR/combine_transmutes.rs:+3:47: +3:48
-          StorageLive(_7);                 // scope 3 at $DIR/combine_transmutes.rs:+4:9: +4:11
-          StorageLive(_8);                 // scope 3 at $DIR/combine_transmutes.rs:+4:31: +4:47
-          _8 = EnumReprIsize::B;           // scope 3 at $DIR/combine_transmutes.rs:+4:31: +4:47
--         _7 = move _8 as isize (Transmute); // scope 3 at $DIR/combine_transmutes.rs:+4:21: +4:48
-+         _7 = discriminant(_8);           // scope 3 at $DIR/combine_transmutes.rs:+4:21: +4:48
-          StorageDead(_8);                 // scope 3 at $DIR/combine_transmutes.rs:+4:47: +4:48
-          StorageLive(_9);                 // scope 4 at $DIR/combine_transmutes.rs:+5:9: +5:11
-          StorageLive(_10);                // scope 4 at $DIR/combine_transmutes.rs:+5:28: +5:52
-          _10 = Less;                      // scope 4 at $DIR/combine_transmutes.rs:+5:28: +5:52
-          _9 = move _10 as u8 (Transmute); // scope 4 at $DIR/combine_transmutes.rs:+5:18: +5:53
-          StorageDead(_10);                // scope 4 at $DIR/combine_transmutes.rs:+5:52: +5:53
-          StorageLive(_11);                // scope 5 at $DIR/combine_transmutes.rs:+6:9: +6:11
-          StorageLive(_12);                // scope 5 at $DIR/combine_transmutes.rs:+6:28: +6:52
-          _12 = Less;                      // scope 5 at $DIR/combine_transmutes.rs:+6:28: +6:52
--         _11 = move _12 as i8 (Transmute); // scope 5 at $DIR/combine_transmutes.rs:+6:18: +6:53
-+         _11 = discriminant(_12);         // scope 5 at $DIR/combine_transmutes.rs:+6:18: +6:53
-          StorageDead(_12);                // scope 5 at $DIR/combine_transmutes.rs:+6:52: +6:53
-          StorageLive(_13);                // scope 6 at $DIR/combine_transmutes.rs:+7:9: +7:11
-          StorageLive(_14);                // scope 6 at $DIR/combine_transmutes.rs:+7:28: +7:58
-          _14 = Option::<NonZeroU8>::Some(const _); // scope 6 at $DIR/combine_transmutes.rs:+7:28: +7:58
-                                           // mir::Constant
-                                           // + span: $DIR/combine_transmutes.rs:41:33: 41:57
-                                           // + literal: Const { ty: NonZeroU8, val: Unevaluated(NonZeroU8::MAX, [], None) }
-          _13 = move _14 as u8 (Transmute); // scope 6 at $DIR/combine_transmutes.rs:+7:18: +7:59
-          StorageDead(_14);                // scope 6 at $DIR/combine_transmutes.rs:+7:58: +7:59
-          StorageLive(_15);                // scope 7 at $DIR/combine_transmutes.rs:+8:9: +8:11
-          StorageLive(_16);                // scope 7 at $DIR/combine_transmutes.rs:+8:29: +8:54
-          _16 = Wrapping::<i16>(const 0_i16); // scope 7 at $DIR/combine_transmutes.rs:+8:29: +8:54
--         _15 = move _16 as i16 (Transmute); // scope 7 at $DIR/combine_transmutes.rs:+8:19: +8:55
-+         _15 = move (_16.0: i16);         // scope 7 at $DIR/combine_transmutes.rs:+8:19: +8:55
-          StorageDead(_16);                // scope 7 at $DIR/combine_transmutes.rs:+8:54: +8:55
-          StorageLive(_17);                // scope 8 at $DIR/combine_transmutes.rs:+9:9: +9:11
-          StorageLive(_18);                // scope 8 at $DIR/combine_transmutes.rs:+9:29: +9:54
-          _18 = Wrapping::<i16>(const 0_i16); // scope 8 at $DIR/combine_transmutes.rs:+9:29: +9:54
-          _17 = move _18 as u16 (Transmute); // scope 8 at $DIR/combine_transmutes.rs:+9:19: +9:55
-          StorageDead(_18);                // scope 8 at $DIR/combine_transmutes.rs:+9:54: +9:55
-          StorageLive(_19);                // scope 9 at $DIR/combine_transmutes.rs:+10:9: +10:11
-          StorageLive(_20);                // scope 9 at $DIR/combine_transmutes.rs:+10:29: +10:47
-          _20 = Union32 { u32: const 0_i32 }; // scope 9 at $DIR/combine_transmutes.rs:+10:29: +10:47
-          _19 = move _20 as u32 (Transmute); // scope 9 at $DIR/combine_transmutes.rs:+10:19: +10:48
-          StorageDead(_20);                // scope 9 at $DIR/combine_transmutes.rs:+10:47: +10:48
-          StorageLive(_21);                // scope 10 at $DIR/combine_transmutes.rs:+11:9: +11:11
-          StorageLive(_22);                // scope 10 at $DIR/combine_transmutes.rs:+11:29: +11:47
-          _22 = Union32 { u32: const 0_u32 }; // scope 10 at $DIR/combine_transmutes.rs:+11:29: +11:47
-          _21 = move _22 as i32 (Transmute); // scope 10 at $DIR/combine_transmutes.rs:+11:19: +11:48
-          StorageDead(_22);                // scope 10 at $DIR/combine_transmutes.rs:+11:47: +11:48
-          StorageLive(_23);                // scope 11 at $DIR/combine_transmutes.rs:+12:9: +12:11
-          StorageLive(_24);                // scope 11 at $DIR/combine_transmutes.rs:+12:46: +12:77
-          _24 = MaybeUninit::<String>::uninit() -> [return: bb1, unwind unreachable]; // scope 11 at $DIR/combine_transmutes.rs:+12:46: +12:77
-                                           // mir::Constant
-                                           // + span: $DIR/combine_transmutes.rs:46:46: 46:75
-                                           // + user_ty: UserType(23)
-                                           // + literal: Const { ty: fn() -> MaybeUninit<String> {MaybeUninit::<String>::uninit}, val: Value(<ZST>) }
-      }
-  
-      bb1: {
--         _23 = move _24 as std::mem::ManuallyDrop<std::string::String> (Transmute); // scope 11 at $DIR/combine_transmutes.rs:+12:36: +12:78
-+         _23 = move (_24.1: std::mem::ManuallyDrop<std::string::String>); // scope 11 at $DIR/combine_transmutes.rs:+12:36: +12:78
-          StorageDead(_24);                // scope 11 at $DIR/combine_transmutes.rs:+12:77: +12:78
-          _0 = const ();                   // scope 0 at $DIR/combine_transmutes.rs:+0:32: +13:2
-          StorageDead(_23);                // scope 11 at $DIR/combine_transmutes.rs:+13:1: +13:2
-          StorageDead(_21);                // scope 10 at $DIR/combine_transmutes.rs:+13:1: +13:2
-          StorageDead(_19);                // scope 9 at $DIR/combine_transmutes.rs:+13:1: +13:2
-          StorageDead(_17);                // scope 8 at $DIR/combine_transmutes.rs:+13:1: +13:2
-          StorageDead(_15);                // scope 7 at $DIR/combine_transmutes.rs:+13:1: +13:2
-          StorageDead(_13);                // scope 6 at $DIR/combine_transmutes.rs:+13:1: +13:2
-          StorageDead(_11);                // scope 5 at $DIR/combine_transmutes.rs:+13:1: +13:2
-          StorageDead(_9);                 // scope 4 at $DIR/combine_transmutes.rs:+13:1: +13:2
-          StorageDead(_7);                 // scope 3 at $DIR/combine_transmutes.rs:+13:1: +13:2
-          StorageDead(_5);                 // scope 2 at $DIR/combine_transmutes.rs:+13:1: +13:2
-          StorageDead(_3);                 // scope 1 at $DIR/combine_transmutes.rs:+13:1: +13:2
-          StorageDead(_1);                 // scope 0 at $DIR/combine_transmutes.rs:+13:1: +13:2
-          return;                          // scope 0 at $DIR/combine_transmutes.rs:+13:2: +13:2
-      }
-  }
-  
diff --git a/tests/mir-opt/combine_transmutes.adt_transmutes.InstSimplify.diff b/tests/mir-opt/combine_transmutes.adt_transmutes.InstSimplify.diff
new file mode 100644
index 00000000000..15117ea890e
--- /dev/null
+++ b/tests/mir-opt/combine_transmutes.adt_transmutes.InstSimplify.diff
@@ -0,0 +1,90 @@
+- // MIR for `adt_transmutes` before InstSimplify
++ // MIR for `adt_transmutes` after InstSimplify
+  
+  fn adt_transmutes() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/combine_transmutes.rs:+0:32: +0:32
+      let _1: u8;                          // in scope 0 at $DIR/combine_transmutes.rs:+1:9: +1:11
+      let mut _2: std::option::Option<std::num::NonZeroU8>; // in scope 0 at $DIR/combine_transmutes.rs:+1:28: +1:58
+      let mut _4: std::num::Wrapping<i16>; // in scope 0 at $DIR/combine_transmutes.rs:+2:29: +2:54
+      let mut _6: std::num::Wrapping<i16>; // in scope 0 at $DIR/combine_transmutes.rs:+3:29: +3:54
+      let mut _8: Union32;                 // in scope 0 at $DIR/combine_transmutes.rs:+4:29: +4:47
+      let mut _10: Union32;                // in scope 0 at $DIR/combine_transmutes.rs:+5:29: +5:47
+      let mut _12: std::mem::MaybeUninit<std::string::String>; // in scope 0 at $DIR/combine_transmutes.rs:+6:46: +6:77
+      scope 1 {
+          debug _a => _1;                  // in scope 1 at $DIR/combine_transmutes.rs:+1:9: +1:11
+          let _3: i16;                     // in scope 1 at $DIR/combine_transmutes.rs:+2:9: +2:11
+          scope 2 {
+              debug _a => _3;              // in scope 2 at $DIR/combine_transmutes.rs:+2:9: +2:11
+              let _5: u16;                 // in scope 2 at $DIR/combine_transmutes.rs:+3:9: +3:11
+              scope 3 {
+                  debug _a => _5;          // in scope 3 at $DIR/combine_transmutes.rs:+3:9: +3:11
+                  let _7: u32;             // in scope 3 at $DIR/combine_transmutes.rs:+4:9: +4:11
+                  scope 4 {
+                      debug _a => _7;      // in scope 4 at $DIR/combine_transmutes.rs:+4:9: +4:11
+                      let _9: i32;         // in scope 4 at $DIR/combine_transmutes.rs:+5:9: +5:11
+                      scope 5 {
+                          debug _a => _9;  // in scope 5 at $DIR/combine_transmutes.rs:+5:9: +5:11
+                          let _11: std::mem::ManuallyDrop<std::string::String>; // in scope 5 at $DIR/combine_transmutes.rs:+6:9: +6:11
+                          scope 6 {
+                              debug _a => _11; // in scope 6 at $DIR/combine_transmutes.rs:+6:9: +6:11
+                          }
+                      }
+                  }
+              }
+          }
+      }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/combine_transmutes.rs:+1:9: +1:11
+          StorageLive(_2);                 // scope 0 at $DIR/combine_transmutes.rs:+1:28: +1:58
+          _2 = Option::<NonZeroU8>::Some(const _); // scope 0 at $DIR/combine_transmutes.rs:+1:28: +1:58
+                                           // mir::Constant
+                                           // + span: $DIR/combine_transmutes.rs:35:33: 35:57
+                                           // + literal: Const { ty: NonZeroU8, val: Unevaluated(NonZeroU8::MAX, [], None) }
+          _1 = move _2 as u8 (Transmute);  // scope 0 at $DIR/combine_transmutes.rs:+1:18: +1:59
+          StorageDead(_2);                 // scope 0 at $DIR/combine_transmutes.rs:+1:58: +1:59
+          StorageLive(_3);                 // scope 1 at $DIR/combine_transmutes.rs:+2:9: +2:11
+          StorageLive(_4);                 // scope 1 at $DIR/combine_transmutes.rs:+2:29: +2:54
+          _4 = Wrapping::<i16>(const 0_i16); // scope 1 at $DIR/combine_transmutes.rs:+2:29: +2:54
+-         _3 = move _4 as i16 (Transmute); // scope 1 at $DIR/combine_transmutes.rs:+2:19: +2:55
++         _3 = move (_4.0: i16);           // scope 1 at $DIR/combine_transmutes.rs:+2:19: +2:55
+          StorageDead(_4);                 // scope 1 at $DIR/combine_transmutes.rs:+2:54: +2:55
+          StorageLive(_5);                 // scope 2 at $DIR/combine_transmutes.rs:+3:9: +3:11
+          StorageLive(_6);                 // scope 2 at $DIR/combine_transmutes.rs:+3:29: +3:54
+          _6 = Wrapping::<i16>(const 0_i16); // scope 2 at $DIR/combine_transmutes.rs:+3:29: +3:54
+          _5 = move _6 as u16 (Transmute); // scope 2 at $DIR/combine_transmutes.rs:+3:19: +3:55
+          StorageDead(_6);                 // scope 2 at $DIR/combine_transmutes.rs:+3:54: +3:55
+          StorageLive(_7);                 // scope 3 at $DIR/combine_transmutes.rs:+4:9: +4:11
+          StorageLive(_8);                 // scope 3 at $DIR/combine_transmutes.rs:+4:29: +4:47
+          _8 = Union32 { u32: const 0_i32 }; // scope 3 at $DIR/combine_transmutes.rs:+4:29: +4:47
+          _7 = move _8 as u32 (Transmute); // scope 3 at $DIR/combine_transmutes.rs:+4:19: +4:48
+          StorageDead(_8);                 // scope 3 at $DIR/combine_transmutes.rs:+4:47: +4:48
+          StorageLive(_9);                 // scope 4 at $DIR/combine_transmutes.rs:+5:9: +5:11
+          StorageLive(_10);                // scope 4 at $DIR/combine_transmutes.rs:+5:29: +5:47
+          _10 = Union32 { u32: const 0_u32 }; // scope 4 at $DIR/combine_transmutes.rs:+5:29: +5:47
+          _9 = move _10 as i32 (Transmute); // scope 4 at $DIR/combine_transmutes.rs:+5:19: +5:48
+          StorageDead(_10);                // scope 4 at $DIR/combine_transmutes.rs:+5:47: +5:48
+          StorageLive(_11);                // scope 5 at $DIR/combine_transmutes.rs:+6:9: +6:11
+          StorageLive(_12);                // scope 5 at $DIR/combine_transmutes.rs:+6:46: +6:77
+          _12 = MaybeUninit::<String>::uninit() -> [return: bb1, unwind unreachable]; // scope 5 at $DIR/combine_transmutes.rs:+6:46: +6:77
+                                           // mir::Constant
+                                           // + span: $DIR/combine_transmutes.rs:40:46: 40:75
+                                           // + user_ty: UserType(11)
+                                           // + literal: Const { ty: fn() -> MaybeUninit<String> {MaybeUninit::<String>::uninit}, val: Value(<ZST>) }
+      }
+  
+      bb1: {
+-         _11 = move _12 as std::mem::ManuallyDrop<std::string::String> (Transmute); // scope 5 at $DIR/combine_transmutes.rs:+6:36: +6:78
++         _11 = move (_12.1: std::mem::ManuallyDrop<std::string::String>); // scope 5 at $DIR/combine_transmutes.rs:+6:36: +6:78
+          StorageDead(_12);                // scope 5 at $DIR/combine_transmutes.rs:+6:77: +6:78
+          _0 = const ();                   // scope 0 at $DIR/combine_transmutes.rs:+0:32: +7:2
+          StorageDead(_11);                // scope 5 at $DIR/combine_transmutes.rs:+7:1: +7:2
+          StorageDead(_9);                 // scope 4 at $DIR/combine_transmutes.rs:+7:1: +7:2
+          StorageDead(_7);                 // scope 3 at $DIR/combine_transmutes.rs:+7:1: +7:2
+          StorageDead(_5);                 // scope 2 at $DIR/combine_transmutes.rs:+7:1: +7:2
+          StorageDead(_3);                 // scope 1 at $DIR/combine_transmutes.rs:+7:1: +7:2
+          StorageDead(_1);                 // scope 0 at $DIR/combine_transmutes.rs:+7:1: +7:2
+          return;                          // scope 0 at $DIR/combine_transmutes.rs:+7:2: +7:2
+      }
+  }
+  
diff --git a/tests/mir-opt/combine_transmutes.identity_transmutes.InstCombine.diff b/tests/mir-opt/combine_transmutes.identity_transmutes.InstSimplify.diff
index ae1185c7f71..57d9f4b1402 100644
--- a/tests/mir-opt/combine_transmutes.identity_transmutes.InstCombine.diff
+++ b/tests/mir-opt/combine_transmutes.identity_transmutes.InstSimplify.diff
@@ -1,5 +1,5 @@
-- // MIR for `identity_transmutes` before InstCombine
-+ // MIR for `identity_transmutes` after InstCombine
+- // MIR for `identity_transmutes` before InstSimplify
++ // MIR for `identity_transmutes` after InstSimplify
   
   fn identity_transmutes() -> () {
       let mut _0: ();                      // return place in scope 0 at $DIR/combine_transmutes.rs:+0:37: +0:37
diff --git a/tests/mir-opt/combine_transmutes.integer_transmutes.InstCombine.diff b/tests/mir-opt/combine_transmutes.integer_transmutes.InstSimplify.diff
index 8de7c34e6b2..ec7c982c151 100644
--- a/tests/mir-opt/combine_transmutes.integer_transmutes.InstCombine.diff
+++ b/tests/mir-opt/combine_transmutes.integer_transmutes.InstSimplify.diff
@@ -1,5 +1,5 @@
-- // MIR for `integer_transmutes` before InstCombine
-+ // MIR for `integer_transmutes` after InstCombine
+- // MIR for `integer_transmutes` before InstSimplify
++ // MIR for `integer_transmutes` after InstSimplify
   
   fn integer_transmutes() -> () {
       let mut _0: ();                      // return place in scope 0 at $DIR/combine_transmutes.rs:+0:36: +0:36
diff --git a/tests/mir-opt/combine_transmutes.rs b/tests/mir-opt/combine_transmutes.rs
index de9b9c35c03..403f9356ce2 100644
--- a/tests/mir-opt/combine_transmutes.rs
+++ b/tests/mir-opt/combine_transmutes.rs
@@ -1,4 +1,4 @@
-// unit-test: InstCombine
+// unit-test: InstSimplify
 // compile-flags: -C panic=abort
 
 #![crate_type = "lib"]
@@ -8,7 +8,7 @@
 use std::intrinsics::mir::*;
 use std::mem::{MaybeUninit, ManuallyDrop, transmute};
 
-// EMIT_MIR combine_transmutes.identity_transmutes.InstCombine.diff
+// EMIT_MIR combine_transmutes.identity_transmutes.InstSimplify.diff
 pub unsafe fn identity_transmutes() {
     // These are nops and should be removed
     let _a = transmute::<i32, i32>(1);
@@ -16,7 +16,7 @@ pub unsafe fn identity_transmutes() {
 }
 
 #[custom_mir(dialect = "runtime", phase = "initial")]
-// EMIT_MIR combine_transmutes.integer_transmutes.InstCombine.diff
+// EMIT_MIR combine_transmutes.integer_transmutes.InstSimplify.diff
 pub unsafe fn integer_transmutes() {
     mir! {
         {
@@ -30,14 +30,8 @@ pub unsafe fn integer_transmutes() {
     }
 }
 
-// EMIT_MIR combine_transmutes.adt_transmutes.InstCombine.diff
+// EMIT_MIR combine_transmutes.adt_transmutes.InstSimplify.diff
 pub unsafe fn adt_transmutes() {
-    let _a: u8 = transmute(EnumNoRepr::A);
-    let _a: i8 = transmute(EnumNoRepr::B);
-    let _a: usize = transmute(EnumReprIsize::A);
-    let _a: isize = transmute(EnumReprIsize::B);
-    let _a: u8 = transmute(std::cmp::Ordering::Less);
-    let _a: i8 = transmute(std::cmp::Ordering::Less);
     let _a: u8 = transmute(Some(std::num::NonZeroU8::MAX));
     let _a: i16 = transmute(std::num::Wrapping(0_i16));
     let _a: u16 = transmute(std::num::Wrapping(0_i16));
@@ -46,20 +40,4 @@ pub unsafe fn adt_transmutes() {
     let _a: ManuallyDrop<String> = transmute(MaybeUninit::<String>::uninit());
 }
 
-#[inline(always)]
-#[custom_mir(dialect = "runtime", phase = "initial")]
-const unsafe fn mir_transmute<T, U>(x: T) -> U {
-    mir!{
-        {
-            RET = CastTransmute(x);
-            Return()
-        }
-    }
-}
-
-pub enum EnumNoRepr { A, B, C }
-
-#[repr(isize)]
-pub enum EnumReprIsize { A, B, C }
-
 pub union Union32 { u32: u32, i32: i32 }
diff --git a/tests/mir-opt/const_allocation.main.ConstProp.after.32bit.mir b/tests/mir-opt/const_allocation.main.ConstProp.after.32bit.mir
index 9b69f79c28e..169e99deee7 100644
--- a/tests/mir-opt/const_allocation.main.ConstProp.after.32bit.mir
+++ b/tests/mir-opt/const_allocation.main.ConstProp.after.32bit.mir
@@ -21,42 +21,42 @@ fn main() -> () {
 }
 
 alloc1 (static: FOO, size: 8, align: 4) {
-    ╾─alloc18─╼ 03 00 00 00                         │ ╾──╼....
+    ╾─alloc19─╼ 03 00 00 00                         │ ╾──╼....
 }
 
-alloc18 (size: 48, align: 4) {
-    0x00 │ 00 00 00 00 __ __ __ __ ╾─alloc5──╼ 00 00 00 00 │ ....░░░░╾──╼....
-    0x10 │ 00 00 00 00 __ __ __ __ ╾─alloc8──╼ 02 00 00 00 │ ....░░░░╾──╼....
-    0x20 │ 01 00 00 00 2a 00 00 00 ╾─alloc13─╼ 03 00 00 00 │ ....*...╾──╼....
+alloc19 (size: 48, align: 4) {
+    0x00 │ 00 00 00 00 __ __ __ __ ╾─alloc6──╼ 00 00 00 00 │ ....░░░░╾──╼....
+    0x10 │ 00 00 00 00 __ __ __ __ ╾─alloc9──╼ 02 00 00 00 │ ....░░░░╾──╼....
+    0x20 │ 01 00 00 00 2a 00 00 00 ╾─alloc14─╼ 03 00 00 00 │ ....*...╾──╼....
 }
 
-alloc5 (size: 0, align: 4) {}
+alloc6 (size: 0, align: 4) {}
 
-alloc8 (size: 16, align: 4) {
-    ╾─alloc9──╼ 03 00 00 00 ╾─alloc10─╼ 03 00 00 00 │ ╾──╼....╾──╼....
+alloc9 (size: 16, align: 4) {
+    ╾─alloc10─╼ 03 00 00 00 ╾─alloc11─╼ 03 00 00 00 │ ╾──╼....╾──╼....
 }
 
-alloc9 (size: 3, align: 1) {
+alloc10 (size: 3, align: 1) {
     66 6f 6f                                        │ foo
 }
 
-alloc10 (size: 3, align: 1) {
+alloc11 (size: 3, align: 1) {
     62 61 72                                        │ bar
 }
 
-alloc13 (size: 24, align: 4) {
-    0x00 │ ╾─alloc14─╼ 03 00 00 00 ╾─alloc15─╼ 03 00 00 00 │ ╾──╼....╾──╼....
-    0x10 │ ╾─alloc16─╼ 04 00 00 00                         │ ╾──╼....
+alloc14 (size: 24, align: 4) {
+    0x00 │ ╾─alloc15─╼ 03 00 00 00 ╾─alloc16─╼ 03 00 00 00 │ ╾──╼....╾──╼....
+    0x10 │ ╾─alloc17─╼ 04 00 00 00                         │ ╾──╼....
 }
 
-alloc14 (size: 3, align: 1) {
+alloc15 (size: 3, align: 1) {
     6d 65 68                                        │ meh
 }
 
-alloc15 (size: 3, align: 1) {
+alloc16 (size: 3, align: 1) {
     6d 6f 70                                        │ mop
 }
 
-alloc16 (size: 4, align: 1) {
+alloc17 (size: 4, align: 1) {
     6d c3 b6 70                                     │ m..p
 }
diff --git a/tests/mir-opt/const_allocation.main.ConstProp.after.64bit.mir b/tests/mir-opt/const_allocation.main.ConstProp.after.64bit.mir
index d0f196e7245..db1f9648843 100644
--- a/tests/mir-opt/const_allocation.main.ConstProp.after.64bit.mir
+++ b/tests/mir-opt/const_allocation.main.ConstProp.after.64bit.mir
@@ -21,46 +21,46 @@ fn main() -> () {
 }
 
 alloc1 (static: FOO, size: 16, align: 8) {
-    ╾───────alloc18───────╼ 03 00 00 00 00 00 00 00 │ ╾──────╼........
+    ╾───────alloc19───────╼ 03 00 00 00 00 00 00 00 │ ╾──────╼........
 }
 
-alloc18 (size: 72, align: 8) {
-    0x00 │ 00 00 00 00 __ __ __ __ ╾───────alloc5────────╼ │ ....░░░░╾──────╼
+alloc19 (size: 72, align: 8) {
+    0x00 │ 00 00 00 00 __ __ __ __ ╾───────alloc6────────╼ │ ....░░░░╾──────╼
     0x10 │ 00 00 00 00 00 00 00 00 00 00 00 00 __ __ __ __ │ ............░░░░
-    0x20 │ ╾───────alloc8────────╼ 02 00 00 00 00 00 00 00 │ ╾──────╼........
-    0x30 │ 01 00 00 00 2a 00 00 00 ╾───────alloc13───────╼ │ ....*...╾──────╼
+    0x20 │ ╾───────alloc9────────╼ 02 00 00 00 00 00 00 00 │ ╾──────╼........
+    0x30 │ 01 00 00 00 2a 00 00 00 ╾───────alloc14───────╼ │ ....*...╾──────╼
     0x40 │ 03 00 00 00 00 00 00 00                         │ ........
 }
 
-alloc5 (size: 0, align: 8) {}
+alloc6 (size: 0, align: 8) {}
 
-alloc8 (size: 32, align: 8) {
-    0x00 │ ╾───────alloc9────────╼ 03 00 00 00 00 00 00 00 │ ╾──────╼........
-    0x10 │ ╾───────alloc10───────╼ 03 00 00 00 00 00 00 00 │ ╾──────╼........
+alloc9 (size: 32, align: 8) {
+    0x00 │ ╾───────alloc10───────╼ 03 00 00 00 00 00 00 00 │ ╾──────╼........
+    0x10 │ ╾───────alloc11───────╼ 03 00 00 00 00 00 00 00 │ ╾──────╼........
 }
 
-alloc9 (size: 3, align: 1) {
+alloc10 (size: 3, align: 1) {
     66 6f 6f                                        │ foo
 }
 
-alloc10 (size: 3, align: 1) {
+alloc11 (size: 3, align: 1) {
     62 61 72                                        │ bar
 }
 
-alloc13 (size: 48, align: 8) {
-    0x00 │ ╾───────alloc14───────╼ 03 00 00 00 00 00 00 00 │ ╾──────╼........
-    0x10 │ ╾───────alloc15───────╼ 03 00 00 00 00 00 00 00 │ ╾──────╼........
-    0x20 │ ╾───────alloc16───────╼ 04 00 00 00 00 00 00 00 │ ╾──────╼........
+alloc14 (size: 48, align: 8) {
+    0x00 │ ╾───────alloc15───────╼ 03 00 00 00 00 00 00 00 │ ╾──────╼........
+    0x10 │ ╾───────alloc16───────╼ 03 00 00 00 00 00 00 00 │ ╾──────╼........
+    0x20 │ ╾───────alloc17───────╼ 04 00 00 00 00 00 00 00 │ ╾──────╼........
 }
 
-alloc14 (size: 3, align: 1) {
+alloc15 (size: 3, align: 1) {
     6d 65 68                                        │ meh
 }
 
-alloc15 (size: 3, align: 1) {
+alloc16 (size: 3, align: 1) {
     6d 6f 70                                        │ mop
 }
 
-alloc16 (size: 4, align: 1) {
+alloc17 (size: 4, align: 1) {
     6d c3 b6 70                                     │ m..p
 }
diff --git a/tests/mir-opt/const_allocation2.main.ConstProp.after.32bit.mir b/tests/mir-opt/const_allocation2.main.ConstProp.after.32bit.mir
index aab005c52d6..999acb48afe 100644
--- a/tests/mir-opt/const_allocation2.main.ConstProp.after.32bit.mir
+++ b/tests/mir-opt/const_allocation2.main.ConstProp.after.32bit.mir
@@ -21,41 +21,41 @@ fn main() -> () {
 }
 
 alloc1 (static: FOO, size: 8, align: 4) {
-    ╾─alloc22─╼ 03 00 00 00                         │ ╾──╼....
+    ╾─alloc23─╼ 03 00 00 00                         │ ╾──╼....
 }
 
-alloc22 (size: 48, align: 4) {
-    0x00 │ 00 00 00 00 __ __ __ __ ╾─alloc9──╼ 00 00 00 00 │ ....░░░░╾──╼....
-    0x10 │ 00 00 00 00 __ __ __ __ ╾─alloc14─╼ 02 00 00 00 │ ....░░░░╾──╼....
-    0x20 │ 01 00 00 00 2a 00 00 00 ╾─alloc20─╼ 03 00 00 00 │ ....*...╾──╼....
+alloc23 (size: 48, align: 4) {
+    0x00 │ 00 00 00 00 __ __ __ __ ╾─alloc10─╼ 00 00 00 00 │ ....░░░░╾──╼....
+    0x10 │ 00 00 00 00 __ __ __ __ ╾─alloc15─╼ 02 00 00 00 │ ....░░░░╾──╼....
+    0x20 │ 01 00 00 00 2a 00 00 00 ╾─alloc21─╼ 03 00 00 00 │ ....*...╾──╼....
 }
 
-alloc9 (size: 0, align: 4) {}
+alloc10 (size: 0, align: 4) {}
 
-alloc14 (size: 8, align: 4) {
-    ╾─alloc12─╼ ╾─alloc13─╼                         │ ╾──╼╾──╼
+alloc15 (size: 8, align: 4) {
+    ╾─alloc13─╼ ╾─alloc14─╼                         │ ╾──╼╾──╼
 }
 
-alloc12 (size: 1, align: 1) {
+alloc13 (size: 1, align: 1) {
     05                                              │ .
 }
 
-alloc13 (size: 1, align: 1) {
+alloc14 (size: 1, align: 1) {
     06                                              │ .
 }
 
-alloc20 (size: 12, align: 4) {
-    ╾─a17+0x3─╼ ╾─alloc18─╼ ╾─a19+0x2─╼             │ ╾──╼╾──╼╾──╼
+alloc21 (size: 12, align: 4) {
+    ╾─a18+0x3─╼ ╾─alloc19─╼ ╾─a20+0x2─╼             │ ╾──╼╾──╼╾──╼
 }
 
-alloc17 (size: 4, align: 1) {
+alloc18 (size: 4, align: 1) {
     2a 45 15 6f                                     │ *E.o
 }
 
-alloc18 (size: 1, align: 1) {
+alloc19 (size: 1, align: 1) {
     2a                                              │ *
 }
 
-alloc19 (size: 4, align: 1) {
+alloc20 (size: 4, align: 1) {
     2a 45 15 6f                                     │ *E.o
 }
diff --git a/tests/mir-opt/const_allocation2.main.ConstProp.after.64bit.mir b/tests/mir-opt/const_allocation2.main.ConstProp.after.64bit.mir
index 0eff9474c20..30311890eee 100644
--- a/tests/mir-opt/const_allocation2.main.ConstProp.after.64bit.mir
+++ b/tests/mir-opt/const_allocation2.main.ConstProp.after.64bit.mir
@@ -21,44 +21,44 @@ fn main() -> () {
 }
 
 alloc1 (static: FOO, size: 16, align: 8) {
-    ╾───────alloc22───────╼ 03 00 00 00 00 00 00 00 │ ╾──────╼........
+    ╾───────alloc23───────╼ 03 00 00 00 00 00 00 00 │ ╾──────╼........
 }
 
-alloc22 (size: 72, align: 8) {
-    0x00 │ 00 00 00 00 __ __ __ __ ╾───────alloc9────────╼ │ ....░░░░╾──────╼
+alloc23 (size: 72, align: 8) {
+    0x00 │ 00 00 00 00 __ __ __ __ ╾───────alloc10───────╼ │ ....░░░░╾──────╼
     0x10 │ 00 00 00 00 00 00 00 00 00 00 00 00 __ __ __ __ │ ............░░░░
-    0x20 │ ╾───────alloc14───────╼ 02 00 00 00 00 00 00 00 │ ╾──────╼........
-    0x30 │ 01 00 00 00 2a 00 00 00 ╾───────alloc20───────╼ │ ....*...╾──────╼
+    0x20 │ ╾───────alloc15───────╼ 02 00 00 00 00 00 00 00 │ ╾──────╼........
+    0x30 │ 01 00 00 00 2a 00 00 00 ╾───────alloc21───────╼ │ ....*...╾──────╼
     0x40 │ 03 00 00 00 00 00 00 00                         │ ........
 }
 
-alloc9 (size: 0, align: 8) {}
+alloc10 (size: 0, align: 8) {}
 
-alloc14 (size: 16, align: 8) {
-    ╾───────alloc12───────╼ ╾───────alloc13───────╼ │ ╾──────╼╾──────╼
+alloc15 (size: 16, align: 8) {
+    ╾───────alloc13───────╼ ╾───────alloc14───────╼ │ ╾──────╼╾──────╼
 }
 
-alloc12 (size: 1, align: 1) {
+alloc13 (size: 1, align: 1) {
     05                                              │ .
 }
 
-alloc13 (size: 1, align: 1) {
+alloc14 (size: 1, align: 1) {
     06                                              │ .
 }
 
-alloc20 (size: 24, align: 8) {
-    0x00 │ ╾─────alloc17+0x3─────╼ ╾───────alloc18───────╼ │ ╾──────╼╾──────╼
-    0x10 │ ╾─────alloc19+0x2─────╼                         │ ╾──────╼
+alloc21 (size: 24, align: 8) {
+    0x00 │ ╾─────alloc18+0x3─────╼ ╾───────alloc19───────╼ │ ╾──────╼╾──────╼
+    0x10 │ ╾─────alloc20+0x2─────╼                         │ ╾──────╼
 }
 
-alloc17 (size: 4, align: 1) {
+alloc18 (size: 4, align: 1) {
     2a 45 15 6f                                     │ *E.o
 }
 
-alloc18 (size: 1, align: 1) {
+alloc19 (size: 1, align: 1) {
     2a                                              │ *
 }
 
-alloc19 (size: 4, align: 1) {
+alloc20 (size: 4, align: 1) {
     2a 45 15 6f                                     │ *E.o
 }
diff --git a/tests/mir-opt/const_allocation3.main.ConstProp.after.32bit.mir b/tests/mir-opt/const_allocation3.main.ConstProp.after.32bit.mir
index 55c6db5d0ce..d592e59fafd 100644
--- a/tests/mir-opt/const_allocation3.main.ConstProp.after.32bit.mir
+++ b/tests/mir-opt/const_allocation3.main.ConstProp.after.32bit.mir
@@ -21,30 +21,30 @@ fn main() -> () {
 }
 
 alloc1 (static: FOO, size: 4, align: 4) {
-    ╾─alloc11─╼                                     │ ╾──╼
+    ╾─alloc12─╼                                     │ ╾──╼
 }
 
-alloc11 (size: 168, align: 1) {
+alloc12 (size: 168, align: 1) {
     0x00 │ ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab │ ................
-    0x10 │ ab ab ab ab ab ab ab ab ab ab ab ab ╾─alloc6──╼ │ ............╾──╼
+    0x10 │ ab ab ab ab ab ab ab ab ab ab ab ab ╾─alloc7──╼ │ ............╾──╼
     0x20 │ 01 ef cd ab 00 00 00 00 00 00 00 00 00 00 00 00 │ ................
     0x30 │ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 │ ................
     0x40 │ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 │ ................
     0x50 │ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 │ ................
     0x60 │ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 │ ................
     0x70 │ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 │ ................
-    0x80 │ 00 00 00 00 00 00 00 00 00 00 ╾─alloc8──╼ 00 00 │ ..........╾──╼..
-    0x90 │ ╾─a9+0x63─╼ 00 00 00 00 00 00 00 00 00 00 00 00 │ ╾──╼............
+    0x80 │ 00 00 00 00 00 00 00 00 00 00 ╾─alloc9──╼ 00 00 │ ..........╾──╼..
+    0x90 │ ╾a10+0x63─╼ 00 00 00 00 00 00 00 00 00 00 00 00 │ ╾──╼............
     0xa0 │ 00 00 00 00 00 00 00 00                         │ ........
 }
 
-alloc6 (size: 4, align: 4) {
+alloc7 (size: 4, align: 4) {
     2a 00 00 00                                     │ *...
 }
 
-alloc8 (fn: main)
+alloc9 (fn: main)
 
-alloc9 (size: 100, align: 1) {
+alloc10 (size: 100, align: 1) {
     0x00 │ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 │ ................
     0x10 │ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 │ ................
     0x20 │ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 │ ................
diff --git a/tests/mir-opt/const_allocation3.main.ConstProp.after.64bit.mir b/tests/mir-opt/const_allocation3.main.ConstProp.after.64bit.mir
index 27492a7fd22..ca53b28be7c 100644
--- a/tests/mir-opt/const_allocation3.main.ConstProp.after.64bit.mir
+++ b/tests/mir-opt/const_allocation3.main.ConstProp.after.64bit.mir
@@ -21,12 +21,12 @@ fn main() -> () {
 }
 
 alloc1 (static: FOO, size: 8, align: 8) {
-    ╾───────alloc11───────╼                         │ ╾──────╼
+    ╾───────alloc12───────╼                         │ ╾──────╼
 }
 
-alloc11 (size: 180, align: 1) {
+alloc12 (size: 180, align: 1) {
     0x00 │ ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab │ ................
-    0x10 │ ab ab ab ab ab ab ab ab ab ab ab ab ╾──alloc6── │ ............╾───
+    0x10 │ ab ab ab ab ab ab ab ab ab ab ab ab ╾──alloc7── │ ............╾───
     0x20 │ ──────────╼ 01 ef cd ab 00 00 00 00 00 00 00 00 │ ───╼............
     0x30 │ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 │ ................
     0x40 │ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 │ ................
@@ -34,18 +34,18 @@ alloc11 (size: 180, align: 1) {
     0x60 │ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 │ ................
     0x70 │ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 │ ................
     0x80 │ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ╾──── │ ..............╾─
-    0x90 │ ─────alloc8─────╼ 00 00 ╾─────alloc9+0x63─────╼ │ ─────╼..╾──────╼
+    0x90 │ ─────alloc9─────╼ 00 00 ╾────alloc10+0x63─────╼ │ ─────╼..╾──────╼
     0xa0 │ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 │ ................
     0xb0 │ 00 00 00 00                                     │ ....
 }
 
-alloc6 (size: 4, align: 4) {
+alloc7 (size: 4, align: 4) {
     2a 00 00 00                                     │ *...
 }
 
-alloc8 (fn: main)
+alloc9 (fn: main)
 
-alloc9 (size: 100, align: 1) {
+alloc10 (size: 100, align: 1) {
     0x00 │ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 │ ................
     0x10 │ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 │ ................
     0x20 │ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 │ ................
diff --git a/tests/mir-opt/const_prop/address_of_pair.fn0.ConstProp.diff b/tests/mir-opt/const_prop/address_of_pair.fn0.ConstProp.diff
new file mode 100644
index 00000000000..d50b12044ce
--- /dev/null
+++ b/tests/mir-opt/const_prop/address_of_pair.fn0.ConstProp.diff
@@ -0,0 +1,46 @@
+- // MIR for `fn0` before ConstProp
++ // MIR for `fn0` after ConstProp
+  
+  fn fn0() -> bool {
+      let mut _0: bool;                    // return place in scope 0 at $DIR/address_of_pair.rs:+0:17: +0:21
+      let mut _1: !;                       // in scope 0 at $DIR/address_of_pair.rs:+0:22: +9:2
+      let mut _2: (i32, bool);             // in scope 0 at $DIR/address_of_pair.rs:+1:9: +1:17
+      let _4: ();                          // in scope 0 at $DIR/address_of_pair.rs:+4:5: +6:6
+      let mut _6: bool;                    // in scope 0 at $DIR/address_of_pair.rs:+7:16: +7:22
+      scope 1 {
+          debug pair => _2;                // in scope 1 at $DIR/address_of_pair.rs:+1:9: +1:17
+          let _3: *mut bool;               // in scope 1 at $DIR/address_of_pair.rs:+2:9: +2:12
+          scope 2 {
+              debug ptr => _3;             // in scope 2 at $DIR/address_of_pair.rs:+2:9: +2:12
+              let _5: bool;                // in scope 2 at $DIR/address_of_pair.rs:+7:9: +7:12
+              scope 3 {
+              }
+              scope 4 {
+                  debug ret => _5;         // in scope 4 at $DIR/address_of_pair.rs:+7:9: +7:12
+              }
+          }
+      }
+  
+      bb0: {
+          StorageLive(_2);                 // scope 0 at $DIR/address_of_pair.rs:+1:9: +1:17
+          _2 = (const 1_i32, const false); // scope 0 at $DIR/address_of_pair.rs:+1:20: +1:30
+          StorageLive(_3);                 // scope 1 at $DIR/address_of_pair.rs:+2:9: +2:12
+          _3 = &raw mut (_2.1: bool);      // scope 1 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
+          _2 = (const 1_i32, const false); // scope 2 at $DIR/address_of_pair.rs:+3:5: +3:22
+          StorageLive(_4);                 // scope 2 at $DIR/address_of_pair.rs:+4:5: +6:6
+          (*_3) = const true;              // scope 3 at $DIR/address_of_pair.rs:+5:9: +5:20
+          _4 = const ();                   // scope 3 at $DIR/address_of_pair.rs:+4:5: +6:6
+          StorageDead(_4);                 // scope 2 at $DIR/address_of_pair.rs:+6:5: +6:6
+          StorageLive(_5);                 // scope 2 at $DIR/address_of_pair.rs:+7:9: +7:12
+          StorageLive(_6);                 // scope 2 at $DIR/address_of_pair.rs:+7:16: +7:22
+          _6 = (_2.1: bool);               // scope 2 at $DIR/address_of_pair.rs:+7:16: +7:22
+          _5 = Not(move _6);               // scope 2 at $DIR/address_of_pair.rs:+7:15: +7:22
+          StorageDead(_6);                 // scope 2 at $DIR/address_of_pair.rs:+7:21: +7:22
+          _0 = _5;                         // scope 4 at $DIR/address_of_pair.rs:+8:12: +8:15
+          StorageDead(_5);                 // scope 2 at $DIR/address_of_pair.rs:+9:1: +9:2
+          StorageDead(_3);                 // scope 1 at $DIR/address_of_pair.rs:+9:1: +9:2
+          StorageDead(_2);                 // scope 0 at $DIR/address_of_pair.rs:+9:1: +9:2
+          return;                          // scope 0 at $DIR/address_of_pair.rs:+9:2: +9:2
+      }
+  }
+  
diff --git a/tests/mir-opt/const_prop/address_of_pair.rs b/tests/mir-opt/const_prop/address_of_pair.rs
new file mode 100644
index 00000000000..43dc9bae625
--- /dev/null
+++ b/tests/mir-opt/const_prop/address_of_pair.rs
@@ -0,0 +1,17 @@
+// unit-test: ConstProp
+
+// EMIT_MIR address_of_pair.fn0.ConstProp.diff
+pub fn fn0() -> bool {
+    let mut pair = (1, false);
+    let ptr = core::ptr::addr_of_mut!(pair.1);
+    pair = (1, false);
+    unsafe {
+        *ptr = true;
+    }
+    let ret = !pair.1;
+    return ret;
+}
+
+pub fn main() {
+    println!("{}", fn0());
+}
diff --git a/tests/mir-opt/const_prop/bad_op_mod_by_zero.main.ConstProp.diff b/tests/mir-opt/const_prop/bad_op_mod_by_zero.main.ConstProp.diff
index bedfa5992ad..85d6b5e3d00 100644
--- a/tests/mir-opt/const_prop/bad_op_mod_by_zero.main.ConstProp.diff
+++ b/tests/mir-opt/const_prop/bad_op_mod_by_zero.main.ConstProp.diff
@@ -18,29 +18,35 @@
       }
   
       bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/bad_op_mod_by_zero.rs:+1:9: +1:10
           _1 = const 0_i32;                // scope 0 at $DIR/bad_op_mod_by_zero.rs:+1:13: +1:14
           StorageLive(_2);                 // scope 1 at $DIR/bad_op_mod_by_zero.rs:+2:9: +2:11
--         _4 = Eq(_1, const 0_i32);        // scope 1 at $DIR/bad_op_mod_by_zero.rs:+2:14: +2:19
+          StorageLive(_3);                 // scope 1 at $DIR/bad_op_mod_by_zero.rs:+2:18: +2:19
+-         _3 = _1;                         // scope 1 at $DIR/bad_op_mod_by_zero.rs:+2:18: +2:19
+-         _4 = Eq(_3, const 0_i32);        // scope 1 at $DIR/bad_op_mod_by_zero.rs:+2:14: +2:19
 -         assert(!move _4, "attempt to calculate the remainder of `{}` with a divisor of zero", const 1_i32) -> bb1; // scope 1 at $DIR/bad_op_mod_by_zero.rs:+2:14: +2:19
++         _3 = const 0_i32;                // scope 1 at $DIR/bad_op_mod_by_zero.rs:+2:18: +2:19
 +         _4 = const true;                 // scope 1 at $DIR/bad_op_mod_by_zero.rs:+2:14: +2:19
 +         assert(!const true, "attempt to calculate the remainder of `{}` with a divisor of zero", const 1_i32) -> bb1; // scope 1 at $DIR/bad_op_mod_by_zero.rs:+2:14: +2:19
       }
   
       bb1: {
--         _5 = Eq(_1, const -1_i32);       // scope 1 at $DIR/bad_op_mod_by_zero.rs:+2:14: +2:19
+-         _5 = Eq(_3, const -1_i32);       // scope 1 at $DIR/bad_op_mod_by_zero.rs:+2:14: +2:19
 -         _6 = Eq(const 1_i32, const i32::MIN); // scope 1 at $DIR/bad_op_mod_by_zero.rs:+2:14: +2:19
 -         _7 = BitAnd(move _5, move _6);   // scope 1 at $DIR/bad_op_mod_by_zero.rs:+2:14: +2:19
--         assert(!move _7, "attempt to compute the remainder of `{} % {}`, which would overflow", const 1_i32, _1) -> bb2; // scope 1 at $DIR/bad_op_mod_by_zero.rs:+2:14: +2:19
+-         assert(!move _7, "attempt to compute the remainder of `{} % {}`, which would overflow", const 1_i32, _3) -> bb2; // scope 1 at $DIR/bad_op_mod_by_zero.rs:+2:14: +2:19
 +         _5 = const false;                // scope 1 at $DIR/bad_op_mod_by_zero.rs:+2:14: +2:19
 +         _6 = const false;                // scope 1 at $DIR/bad_op_mod_by_zero.rs:+2:14: +2:19
 +         _7 = const false;                // scope 1 at $DIR/bad_op_mod_by_zero.rs:+2:14: +2:19
-+         assert(!const false, "attempt to compute the remainder of `{} % {}`, which would overflow", const 1_i32, const 0_i32) -> bb2; // scope 1 at $DIR/bad_op_mod_by_zero.rs:+2:14: +2:19
++         assert(!const false, "attempt to compute the remainder of `{} % {}`, which would overflow", const 1_i32, _3) -> bb2; // scope 1 at $DIR/bad_op_mod_by_zero.rs:+2:14: +2:19
       }
   
       bb2: {
--         _2 = Rem(const 1_i32, _1);       // scope 1 at $DIR/bad_op_mod_by_zero.rs:+2:14: +2:19
-+         _2 = Rem(const 1_i32, const 0_i32); // scope 1 at $DIR/bad_op_mod_by_zero.rs:+2:14: +2:19
+          _2 = Rem(const 1_i32, move _3);  // scope 1 at $DIR/bad_op_mod_by_zero.rs:+2:14: +2:19
+          StorageDead(_3);                 // scope 1 at $DIR/bad_op_mod_by_zero.rs:+2:18: +2:19
+          _0 = const ();                   // scope 0 at $DIR/bad_op_mod_by_zero.rs:+0:11: +3:2
           StorageDead(_2);                 // scope 1 at $DIR/bad_op_mod_by_zero.rs:+3:1: +3:2
+          StorageDead(_1);                 // scope 0 at $DIR/bad_op_mod_by_zero.rs:+3:1: +3:2
           return;                          // scope 0 at $DIR/bad_op_mod_by_zero.rs:+3:2: +3:2
       }
   }
diff --git a/tests/mir-opt/const_prop/bad_op_mod_by_zero.rs b/tests/mir-opt/const_prop/bad_op_mod_by_zero.rs
index a1078472cbf..93d558250ea 100644
--- a/tests/mir-opt/const_prop/bad_op_mod_by_zero.rs
+++ b/tests/mir-opt/const_prop/bad_op_mod_by_zero.rs
@@ -1,3 +1,4 @@
+// unit-test: ConstProp
 // ignore-wasm32 compiled with panic=abort by default
 // EMIT_MIR bad_op_mod_by_zero.main.ConstProp.diff
 #[allow(unconditional_panic)]
diff --git a/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.ConstProp.32bit.diff b/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.ConstProp.32bit.diff
index e711babf035..d72675c2d11 100644
--- a/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.ConstProp.32bit.diff
+++ b/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.ConstProp.32bit.diff
@@ -6,16 +6,17 @@
       let _1: *const [i32];                // in scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+1:9: +1:10
       let mut _2: *const [i32; 3];         // in scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+1:25: +1:35
       let _3: &[i32; 3];                   // in scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+1:25: +1:35
-      let _5: usize;                       // in scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:23: +3:24
-      let mut _6: usize;                   // in scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:18: +3:25
-      let mut _7: bool;                    // in scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:18: +3:25
-      let mut _8: &[i32; 3];               // in scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+1:25: +1:35
+      let _4: [i32; 3];                    // in scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+1:26: +1:35
+      let _6: usize;                       // in scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:23: +3:24
+      let mut _7: usize;                   // in scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:18: +3:25
+      let mut _8: bool;                    // in scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:18: +3:25
+      let mut _9: &[i32; 3];               // in scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+1:25: +1:35
       scope 1 {
           debug a => _1;                   // in scope 1 at $DIR/bad_op_unsafe_oob_for_slices.rs:+1:9: +1:10
           scope 2 {
-              let _4: i32;                 // in scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:13: +3:15
+              let _5: i32;                 // in scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:13: +3:15
               scope 3 {
-                  debug _b => _4;          // in scope 3 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:13: +3:15
+                  debug _b => _5;          // in scope 3 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:13: +3:15
               }
           }
       }
@@ -23,27 +24,32 @@
       bb0: {
           StorageLive(_1);                 // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+1:9: +1:10
           StorageLive(_2);                 // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+1:25: +1:35
-          _8 = const _;                    // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+1:25: +1:35
+          StorageLive(_3);                 // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+1:25: +1:35
+          _9 = const _;                    // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+1:25: +1:35
                                            // mir::Constant
-                                           // + span: $DIR/bad_op_unsafe_oob_for_slices.rs:6:25: 6:35
+                                           // + span: $DIR/bad_op_unsafe_oob_for_slices.rs:9:25: 9:35
                                            // + literal: Const { ty: &[i32; 3], val: Unevaluated(main, [], Some(promoted[0])) }
-          _2 = &raw const (*_8);           // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+1:25: +1:35
+          _3 = &(*_9);                     // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+1:25: +1:35
+          _2 = &raw const (*_3);           // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+1:25: +1:35
           _1 = move _2 as *const [i32] (Pointer(Unsize)); // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+1:25: +1:35
           StorageDead(_2);                 // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+1:34: +1:35
-          StorageLive(_4);                 // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:13: +3:15
-          StorageLive(_5);                 // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:23: +3:24
-          _5 = const 3_usize;              // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:23: +3:24
-          _6 = const 3_usize;              // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:18: +3:25
--         _7 = Lt(_5, _6);                 // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:18: +3:25
--         assert(move _7, "index out of bounds: the length is {} but the index is {}", move _6, _5) -> bb1; // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:18: +3:25
-+         _7 = const false;                // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:18: +3:25
-+         assert(const false, "index out of bounds: the length is {} but the index is {}", const 3_usize, const 3_usize) -> bb1; // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:18: +3:25
+          StorageDead(_3);                 // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+1:35: +1:36
+          StorageLive(_5);                 // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:13: +3:15
+          StorageLive(_6);                 // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:23: +3:24
+          _6 = const 3_usize;              // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:23: +3:24
+          _7 = const 3_usize;              // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:18: +3:25
+-         _8 = Lt(_6, _7);                 // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:18: +3:25
+-         assert(move _8, "index out of bounds: the length is {} but the index is {}", move _7, _6) -> bb1; // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:18: +3:25
++         _8 = const false;                // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:18: +3:25
++         assert(const false, "index out of bounds: the length is {} but the index is {}", move _7, _6) -> bb1; // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:18: +3:25
       }
   
       bb1: {
-          _4 = (*_1)[_5];                  // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:18: +3:25
-          StorageDead(_5);                 // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:25: +3:26
-          StorageDead(_4);                 // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+4:5: +4:6
+-         _5 = (*_1)[_6];                  // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:18: +3:25
++         _5 = (*_1)[3 of 4];              // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:18: +3:25
+          StorageDead(_6);                 // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:25: +3:26
+          _0 = const ();                   // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+2:5: +4:6
+          StorageDead(_5);                 // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+4:5: +4:6
           StorageDead(_1);                 // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+5:1: +5:2
           return;                          // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+5:2: +5:2
       }
diff --git a/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.ConstProp.64bit.diff b/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.ConstProp.64bit.diff
index e711babf035..d72675c2d11 100644
--- a/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.ConstProp.64bit.diff
+++ b/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.ConstProp.64bit.diff
@@ -6,16 +6,17 @@
       let _1: *const [i32];                // in scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+1:9: +1:10
       let mut _2: *const [i32; 3];         // in scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+1:25: +1:35
       let _3: &[i32; 3];                   // in scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+1:25: +1:35
-      let _5: usize;                       // in scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:23: +3:24
-      let mut _6: usize;                   // in scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:18: +3:25
-      let mut _7: bool;                    // in scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:18: +3:25
-      let mut _8: &[i32; 3];               // in scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+1:25: +1:35
+      let _4: [i32; 3];                    // in scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+1:26: +1:35
+      let _6: usize;                       // in scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:23: +3:24
+      let mut _7: usize;                   // in scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:18: +3:25
+      let mut _8: bool;                    // in scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:18: +3:25
+      let mut _9: &[i32; 3];               // in scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+1:25: +1:35
       scope 1 {
           debug a => _1;                   // in scope 1 at $DIR/bad_op_unsafe_oob_for_slices.rs:+1:9: +1:10
           scope 2 {
-              let _4: i32;                 // in scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:13: +3:15
+              let _5: i32;                 // in scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:13: +3:15
               scope 3 {
-                  debug _b => _4;          // in scope 3 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:13: +3:15
+                  debug _b => _5;          // in scope 3 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:13: +3:15
               }
           }
       }
@@ -23,27 +24,32 @@
       bb0: {
           StorageLive(_1);                 // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+1:9: +1:10
           StorageLive(_2);                 // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+1:25: +1:35
-          _8 = const _;                    // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+1:25: +1:35
+          StorageLive(_3);                 // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+1:25: +1:35
+          _9 = const _;                    // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+1:25: +1:35
                                            // mir::Constant
-                                           // + span: $DIR/bad_op_unsafe_oob_for_slices.rs:6:25: 6:35
+                                           // + span: $DIR/bad_op_unsafe_oob_for_slices.rs:9:25: 9:35
                                            // + literal: Const { ty: &[i32; 3], val: Unevaluated(main, [], Some(promoted[0])) }
-          _2 = &raw const (*_8);           // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+1:25: +1:35
+          _3 = &(*_9);                     // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+1:25: +1:35
+          _2 = &raw const (*_3);           // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+1:25: +1:35
           _1 = move _2 as *const [i32] (Pointer(Unsize)); // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+1:25: +1:35
           StorageDead(_2);                 // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+1:34: +1:35
-          StorageLive(_4);                 // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:13: +3:15
-          StorageLive(_5);                 // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:23: +3:24
-          _5 = const 3_usize;              // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:23: +3:24
-          _6 = const 3_usize;              // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:18: +3:25
--         _7 = Lt(_5, _6);                 // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:18: +3:25
--         assert(move _7, "index out of bounds: the length is {} but the index is {}", move _6, _5) -> bb1; // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:18: +3:25
-+         _7 = const false;                // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:18: +3:25
-+         assert(const false, "index out of bounds: the length is {} but the index is {}", const 3_usize, const 3_usize) -> bb1; // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:18: +3:25
+          StorageDead(_3);                 // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+1:35: +1:36
+          StorageLive(_5);                 // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:13: +3:15
+          StorageLive(_6);                 // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:23: +3:24
+          _6 = const 3_usize;              // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:23: +3:24
+          _7 = const 3_usize;              // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:18: +3:25
+-         _8 = Lt(_6, _7);                 // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:18: +3:25
+-         assert(move _8, "index out of bounds: the length is {} but the index is {}", move _7, _6) -> bb1; // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:18: +3:25
++         _8 = const false;                // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:18: +3:25
++         assert(const false, "index out of bounds: the length is {} but the index is {}", move _7, _6) -> bb1; // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:18: +3:25
       }
   
       bb1: {
-          _4 = (*_1)[_5];                  // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:18: +3:25
-          StorageDead(_5);                 // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:25: +3:26
-          StorageDead(_4);                 // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+4:5: +4:6
+-         _5 = (*_1)[_6];                  // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:18: +3:25
++         _5 = (*_1)[3 of 4];              // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:18: +3:25
+          StorageDead(_6);                 // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:25: +3:26
+          _0 = const ();                   // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+2:5: +4:6
+          StorageDead(_5);                 // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+4:5: +4:6
           StorageDead(_1);                 // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+5:1: +5:2
           return;                          // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+5:2: +5:2
       }
diff --git a/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.rs b/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.rs
index 3d252f2d221..ef148d16dc2 100644
--- a/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.rs
+++ b/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.rs
@@ -1,4 +1,7 @@
+// unit-test: ConstProp
 // ignore-wasm32 compiled with panic=abort by default
+// compile-flags: -Zmir-enable-passes=+NormalizeArrayLen
+
 // EMIT_MIR_FOR_EACH_BIT_WIDTH
 // EMIT_MIR bad_op_unsafe_oob_for_slices.main.ConstProp.diff
 #[allow(unconditional_panic)]
diff --git a/tests/mir-opt/const_prop/invalid_constant.main.ConstProp.diff b/tests/mir-opt/const_prop/invalid_constant.main.ConstProp.diff
index 85dedf68ce9..1752d222fe7 100644
--- a/tests/mir-opt/const_prop/invalid_constant.main.ConstProp.diff
+++ b/tests/mir-opt/const_prop/invalid_constant.main.ConstProp.diff
@@ -7,13 +7,17 @@
       let mut _2: main::InvalidChar;       // in scope 0 at $DIR/invalid_constant.rs:+6:34: +6:63
       let mut _4: E;                       // in scope 0 at $DIR/invalid_constant.rs:+13:25: +13:59
       let mut _5: main::InvalidTag;        // in scope 0 at $DIR/invalid_constant.rs:+13:34: +13:55
+      let mut _7: Empty;                   // in scope 0 at $DIR/invalid_constant.rs:+20:35: +20:73
+      let mut _8: main::NoVariants;        // in scope 0 at $DIR/invalid_constant.rs:+20:44: +20:65
       scope 1 {
           debug _invalid_char => _1;       // in scope 1 at $DIR/invalid_constant.rs:+6:9: +6:22
           let _3: [E; 1];                  // in scope 1 at $DIR/invalid_constant.rs:+13:9: +13:21
           scope 3 {
               debug _invalid_tag => _3;    // in scope 3 at $DIR/invalid_constant.rs:+13:9: +13:21
+              let _6: [Empty; 1];          // in scope 3 at $DIR/invalid_constant.rs:+20:9: +20:31
               scope 5 {
                   debug _enum_without_variants => const [ZeroSized: Empty]; // in scope 5 at $DIR/invalid_constant.rs:+20:9: +20:31
+                  let _9: main::Str<"���">; // in scope 5 at $DIR/invalid_constant.rs:+24:9: +24:22
                   scope 7 {
                       debug _non_utf8_str => const Str::<"���">; // in scope 7 at $DIR/invalid_constant.rs:+24:9: +24:22
                   }
@@ -39,17 +43,25 @@
           StorageLive(_5);                 // scope 4 at $DIR/invalid_constant.rs:+13:34: +13:55
           _5 = InvalidTag { int: const 4_u32 }; // scope 4 at $DIR/invalid_constant.rs:+13:34: +13:55
 -         _4 = (_5.1: E);                  // scope 4 at $DIR/invalid_constant.rs:+13:34: +13:57
--         _3 = [move _4];                  // scope 1 at $DIR/invalid_constant.rs:+13:24: +13:60
 +         _4 = const Scalar(0x00000004): E; // scope 4 at $DIR/invalid_constant.rs:+13:34: +13:57
 +                                          // mir::Constant
 +                                          // + span: no-location
 +                                          // + literal: Const { ty: E, val: Value(Scalar(0x00000004)) }
-+         _3 = [const Scalar(0x00000004): E]; // scope 1 at $DIR/invalid_constant.rs:+13:24: +13:60
-+                                          // mir::Constant
-+                                          // + span: no-location
-+                                          // + literal: Const { ty: E, val: Value(Scalar(0x00000004)) }
+          _3 = [move _4];                  // scope 1 at $DIR/invalid_constant.rs:+13:24: +13:60
           StorageDead(_4);                 // scope 1 at $DIR/invalid_constant.rs:+13:59: +13:60
           StorageDead(_5);                 // scope 1 at $DIR/invalid_constant.rs:+13:60: +13:61
+          nop;                             // scope 3 at $DIR/invalid_constant.rs:+20:9: +20:31
+          nop;                             // scope 3 at $DIR/invalid_constant.rs:+20:35: +20:73
+          StorageLive(_8);                 // scope 6 at $DIR/invalid_constant.rs:+20:44: +20:65
+          _8 = NoVariants { int: const 0_u32 }; // scope 6 at $DIR/invalid_constant.rs:+20:44: +20:65
+          nop;                             // scope 6 at $DIR/invalid_constant.rs:+20:44: +20:71
+          nop;                             // scope 3 at $DIR/invalid_constant.rs:+20:34: +20:74
+          nop;                             // scope 3 at $DIR/invalid_constant.rs:+20:73: +20:74
+          StorageDead(_8);                 // scope 3 at $DIR/invalid_constant.rs:+20:74: +20:75
+          nop;                             // scope 5 at $DIR/invalid_constant.rs:+24:9: +24:22
+          nop;                             // scope 0 at $DIR/invalid_constant.rs:+0:11: +27:2
+          nop;                             // scope 5 at $DIR/invalid_constant.rs:+27:1: +27:2
+          nop;                             // scope 3 at $DIR/invalid_constant.rs:+27:1: +27:2
           StorageDead(_3);                 // scope 1 at $DIR/invalid_constant.rs:+27:1: +27:2
           StorageDead(_1);                 // scope 0 at $DIR/invalid_constant.rs:+27:1: +27:2
           return;                          // scope 0 at $DIR/invalid_constant.rs:+27:2: +27:2
diff --git a/tests/mir-opt/const_prop/invalid_constant.rs b/tests/mir-opt/const_prop/invalid_constant.rs
index eb6172cdff9..bdbc5a1990e 100644
--- a/tests/mir-opt/const_prop/invalid_constant.rs
+++ b/tests/mir-opt/const_prop/invalid_constant.rs
@@ -1,3 +1,5 @@
+// unit-test: ConstProp
+// compile-flags: -Zmir-enable-passes=+RemoveZsts
 // Verify that we can pretty print invalid constants.
 
 #![feature(adt_const_params)]
diff --git a/tests/mir-opt/const_prop/large_array_index.main.ConstProp.32bit.diff b/tests/mir-opt/const_prop/large_array_index.main.ConstProp.32bit.diff
index 5331e5b8212..33bbad2f422 100644
--- a/tests/mir-opt/const_prop/large_array_index.main.ConstProp.32bit.diff
+++ b/tests/mir-opt/const_prop/large_array_index.main.ConstProp.32bit.diff
@@ -18,17 +18,20 @@
           _2 = [const 0_u8; 5000];         // scope 0 at $DIR/large_array_index.rs:+2:17: +2:29
           StorageLive(_3);                 // scope 0 at $DIR/large_array_index.rs:+2:30: +2:31
           _3 = const 2_usize;              // scope 0 at $DIR/large_array_index.rs:+2:30: +2:31
-          _4 = const 5000_usize;           // scope 0 at $DIR/large_array_index.rs:+2:17: +2:32
+-         _4 = Len(_2);                    // scope 0 at $DIR/large_array_index.rs:+2:17: +2:32
 -         _5 = Lt(_3, _4);                 // scope 0 at $DIR/large_array_index.rs:+2:17: +2:32
 -         assert(move _5, "index out of bounds: the length is {} but the index is {}", move _4, _3) -> bb1; // scope 0 at $DIR/large_array_index.rs:+2:17: +2:32
++         _4 = const 5000_usize;           // scope 0 at $DIR/large_array_index.rs:+2:17: +2:32
 +         _5 = const true;                 // scope 0 at $DIR/large_array_index.rs:+2:17: +2:32
-+         assert(const true, "index out of bounds: the length is {} but the index is {}", const 5000_usize, const 2_usize) -> bb1; // scope 0 at $DIR/large_array_index.rs:+2:17: +2:32
++         assert(const true, "index out of bounds: the length is {} but the index is {}", move _4, _3) -> bb1; // scope 0 at $DIR/large_array_index.rs:+2:17: +2:32
       }
   
       bb1: {
-          _1 = _2[_3];                     // scope 0 at $DIR/large_array_index.rs:+2:17: +2:32
+-         _1 = _2[_3];                     // scope 0 at $DIR/large_array_index.rs:+2:17: +2:32
++         _1 = _2[2 of 3];                 // scope 0 at $DIR/large_array_index.rs:+2:17: +2:32
           StorageDead(_3);                 // scope 0 at $DIR/large_array_index.rs:+2:32: +2:33
           StorageDead(_2);                 // scope 0 at $DIR/large_array_index.rs:+2:32: +2:33
+          _0 = const ();                   // scope 0 at $DIR/large_array_index.rs:+0:11: +3:2
           StorageDead(_1);                 // scope 0 at $DIR/large_array_index.rs:+3:1: +3:2
           return;                          // scope 0 at $DIR/large_array_index.rs:+3:2: +3:2
       }
diff --git a/tests/mir-opt/const_prop/large_array_index.main.ConstProp.64bit.diff b/tests/mir-opt/const_prop/large_array_index.main.ConstProp.64bit.diff
index 5331e5b8212..33bbad2f422 100644
--- a/tests/mir-opt/const_prop/large_array_index.main.ConstProp.64bit.diff
+++ b/tests/mir-opt/const_prop/large_array_index.main.ConstProp.64bit.diff
@@ -18,17 +18,20 @@
           _2 = [const 0_u8; 5000];         // scope 0 at $DIR/large_array_index.rs:+2:17: +2:29
           StorageLive(_3);                 // scope 0 at $DIR/large_array_index.rs:+2:30: +2:31
           _3 = const 2_usize;              // scope 0 at $DIR/large_array_index.rs:+2:30: +2:31
-          _4 = const 5000_usize;           // scope 0 at $DIR/large_array_index.rs:+2:17: +2:32
+-         _4 = Len(_2);                    // scope 0 at $DIR/large_array_index.rs:+2:17: +2:32
 -         _5 = Lt(_3, _4);                 // scope 0 at $DIR/large_array_index.rs:+2:17: +2:32
 -         assert(move _5, "index out of bounds: the length is {} but the index is {}", move _4, _3) -> bb1; // scope 0 at $DIR/large_array_index.rs:+2:17: +2:32
++         _4 = const 5000_usize;           // scope 0 at $DIR/large_array_index.rs:+2:17: +2:32
 +         _5 = const true;                 // scope 0 at $DIR/large_array_index.rs:+2:17: +2:32
-+         assert(const true, "index out of bounds: the length is {} but the index is {}", const 5000_usize, const 2_usize) -> bb1; // scope 0 at $DIR/large_array_index.rs:+2:17: +2:32
++         assert(const true, "index out of bounds: the length is {} but the index is {}", move _4, _3) -> bb1; // scope 0 at $DIR/large_array_index.rs:+2:17: +2:32
       }
   
       bb1: {
-          _1 = _2[_3];                     // scope 0 at $DIR/large_array_index.rs:+2:17: +2:32
+-         _1 = _2[_3];                     // scope 0 at $DIR/large_array_index.rs:+2:17: +2:32
++         _1 = _2[2 of 3];                 // scope 0 at $DIR/large_array_index.rs:+2:17: +2:32
           StorageDead(_3);                 // scope 0 at $DIR/large_array_index.rs:+2:32: +2:33
           StorageDead(_2);                 // scope 0 at $DIR/large_array_index.rs:+2:32: +2:33
+          _0 = const ();                   // scope 0 at $DIR/large_array_index.rs:+0:11: +3:2
           StorageDead(_1);                 // scope 0 at $DIR/large_array_index.rs:+3:1: +3:2
           return;                          // scope 0 at $DIR/large_array_index.rs:+3:2: +3:2
       }
diff --git a/tests/mir-opt/const_prop/large_array_index.rs b/tests/mir-opt/const_prop/large_array_index.rs
index 073f9849568..0876445bf2c 100644
--- a/tests/mir-opt/const_prop/large_array_index.rs
+++ b/tests/mir-opt/const_prop/large_array_index.rs
@@ -1,4 +1,6 @@
+// unit-test: ConstProp
 // ignore-wasm32 compiled with panic=abort by default
+// compile-flags: -Zmir-enable-passes=+NormalizeArrayLen
 // EMIT_MIR_FOR_EACH_BIT_WIDTH
 
 // EMIT_MIR large_array_index.main.ConstProp.diff
diff --git a/tests/mir-opt/const_prop/offset_of.concrete.ConstProp.diff b/tests/mir-opt/const_prop/offset_of.concrete.ConstProp.diff
index e768a47a96d..e3757941c8c 100644
--- a/tests/mir-opt/const_prop/offset_of.concrete.ConstProp.diff
+++ b/tests/mir-opt/const_prop/offset_of.concrete.ConstProp.diff
@@ -22,17 +22,17 @@
   
       bb0: {
           StorageLive(_1);                 // scope 0 at $DIR/offset_of.rs:+1:9: +1:10
--         _1 = OffsetOf(Alpha, [0]);       // scope 0 at $DIR/offset_of.rs:+1:13: +1:33
-+         _1 = const 4_usize;              // scope 0 at $DIR/offset_of.rs:+1:13: +1:33
+-         _1 = OffsetOf(Alpha, [0]);       // scope 0 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
++         _1 = const 4_usize;              // scope 0 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
           StorageLive(_2);                 // scope 1 at $DIR/offset_of.rs:+2:9: +2:10
--         _2 = OffsetOf(Alpha, [1]);       // scope 1 at $DIR/offset_of.rs:+2:13: +2:33
-+         _2 = const 0_usize;              // scope 1 at $DIR/offset_of.rs:+2:13: +2:33
+-         _2 = OffsetOf(Alpha, [1]);       // scope 1 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
++         _2 = const 0_usize;              // scope 1 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
           StorageLive(_3);                 // scope 2 at $DIR/offset_of.rs:+3:9: +3:11
--         _3 = OffsetOf(Alpha, [2, 0]);    // scope 2 at $DIR/offset_of.rs:+3:14: +3:36
-+         _3 = const 2_usize;              // scope 2 at $DIR/offset_of.rs:+3:14: +3:36
+-         _3 = OffsetOf(Alpha, [2, 0]);    // scope 2 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
++         _3 = const 2_usize;              // scope 2 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
           StorageLive(_4);                 // scope 3 at $DIR/offset_of.rs:+4:9: +4:11
--         _4 = OffsetOf(Alpha, [2, 1]);    // scope 3 at $DIR/offset_of.rs:+4:14: +4:36
-+         _4 = const 3_usize;              // scope 3 at $DIR/offset_of.rs:+4:14: +4:36
+-         _4 = OffsetOf(Alpha, [2, 1]);    // scope 3 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
++         _4 = const 3_usize;              // scope 3 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
           _0 = const ();                   // scope 0 at $DIR/offset_of.rs:+0:15: +5:2
           StorageDead(_4);                 // scope 3 at $DIR/offset_of.rs:+5:1: +5:2
           StorageDead(_3);                 // scope 2 at $DIR/offset_of.rs:+5:1: +5:2
diff --git a/tests/mir-opt/const_prop/offset_of.generic.ConstProp.diff b/tests/mir-opt/const_prop/offset_of.generic.ConstProp.diff
index e40fdbd79d8..4a655604cd1 100644
--- a/tests/mir-opt/const_prop/offset_of.generic.ConstProp.diff
+++ b/tests/mir-opt/const_prop/offset_of.generic.ConstProp.diff
@@ -22,13 +22,13 @@
   
       bb0: {
           StorageLive(_1);                 // scope 0 at $DIR/offset_of.rs:+1:9: +1:11
-          _1 = OffsetOf(Gamma<T>, [0]);    // scope 0 at $DIR/offset_of.rs:+1:14: +1:37
+          _1 = OffsetOf(Gamma<T>, [0]);    // scope 0 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
           StorageLive(_2);                 // scope 1 at $DIR/offset_of.rs:+2:9: +2:11
-          _2 = OffsetOf(Gamma<T>, [1]);    // scope 1 at $DIR/offset_of.rs:+2:14: +2:37
+          _2 = OffsetOf(Gamma<T>, [1]);    // scope 1 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
           StorageLive(_3);                 // scope 2 at $DIR/offset_of.rs:+3:9: +3:11
-          _3 = OffsetOf(Delta<T>, [1]);    // scope 2 at $DIR/offset_of.rs:+3:14: +3:37
+          _3 = OffsetOf(Delta<T>, [1]);    // scope 2 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
           StorageLive(_4);                 // scope 3 at $DIR/offset_of.rs:+4:9: +4:11
-          _4 = OffsetOf(Delta<T>, [2]);    // scope 3 at $DIR/offset_of.rs:+4:14: +4:37
+          _4 = OffsetOf(Delta<T>, [2]);    // scope 3 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
           _0 = const ();                   // scope 0 at $DIR/offset_of.rs:+0:17: +5:2
           StorageDead(_4);                 // scope 3 at $DIR/offset_of.rs:+5:1: +5:2
           StorageDead(_3);                 // scope 2 at $DIR/offset_of.rs:+5:1: +5:2
diff --git a/tests/mir-opt/const_prop/reify_fn_ptr.main.ConstProp.diff b/tests/mir-opt/const_prop/reify_fn_ptr.main.ConstProp.diff
index 15c93f270d7..077b9bf8304 100644
--- a/tests/mir-opt/const_prop/reify_fn_ptr.main.ConstProp.diff
+++ b/tests/mir-opt/const_prop/reify_fn_ptr.main.ConstProp.diff
@@ -3,21 +3,26 @@
   
   fn main() -> () {
       let mut _0: ();                      // return place in scope 0 at $DIR/reify_fn_ptr.rs:+0:11: +0:11
-      let mut _1: usize;                   // in scope 0 at $DIR/reify_fn_ptr.rs:+1:13: +1:26
-      let mut _2: fn();                    // in scope 0 at $DIR/reify_fn_ptr.rs:+1:13: +1:17
+      let mut _1: *const fn();             // in scope 0 at $DIR/reify_fn_ptr.rs:+1:13: +1:41
+      let mut _2: usize;                   // in scope 0 at $DIR/reify_fn_ptr.rs:+1:13: +1:26
+      let mut _3: fn();                    // in scope 0 at $DIR/reify_fn_ptr.rs:+1:13: +1:17
       scope 1 {
       }
   
       bb0: {
-          StorageLive(_1);                 // scope 0 at $DIR/reify_fn_ptr.rs:+1:13: +1:26
-          StorageLive(_2);                 // scope 0 at $DIR/reify_fn_ptr.rs:+1:13: +1:17
-          _2 = main as fn() (Pointer(ReifyFnPointer)); // scope 0 at $DIR/reify_fn_ptr.rs:+1:13: +1:17
+          StorageLive(_1);                 // scope 0 at $DIR/reify_fn_ptr.rs:+1:13: +1:41
+          StorageLive(_2);                 // scope 0 at $DIR/reify_fn_ptr.rs:+1:13: +1:26
+          StorageLive(_3);                 // scope 0 at $DIR/reify_fn_ptr.rs:+1:13: +1:17
+          _3 = main as fn() (Pointer(ReifyFnPointer)); // scope 0 at $DIR/reify_fn_ptr.rs:+1:13: +1:17
                                            // mir::Constant
-                                           // + span: $DIR/reify_fn_ptr.rs:4:13: 4:17
+                                           // + span: $DIR/reify_fn_ptr.rs:5:13: 5:17
                                            // + literal: Const { ty: fn() {main}, val: Value(<ZST>) }
-          _1 = move _2 as usize (PointerExposeAddress); // scope 0 at $DIR/reify_fn_ptr.rs:+1:13: +1:26
-          StorageDead(_2);                 // scope 0 at $DIR/reify_fn_ptr.rs:+1:25: +1:26
-          StorageDead(_1);                 // scope 0 at $DIR/reify_fn_ptr.rs:+1:40: +1:41
+          _2 = move _3 as usize (PointerExposeAddress); // scope 0 at $DIR/reify_fn_ptr.rs:+1:13: +1:26
+          StorageDead(_3);                 // scope 0 at $DIR/reify_fn_ptr.rs:+1:25: +1:26
+          _1 = move _2 as *const fn() (PointerFromExposedAddress); // scope 0 at $DIR/reify_fn_ptr.rs:+1:13: +1:41
+          StorageDead(_2);                 // scope 0 at $DIR/reify_fn_ptr.rs:+1:40: +1:41
+          StorageDead(_1);                 // scope 0 at $DIR/reify_fn_ptr.rs:+1:41: +1:42
+          _0 = const ();                   // scope 0 at $DIR/reify_fn_ptr.rs:+0:11: +2:2
           return;                          // scope 0 at $DIR/reify_fn_ptr.rs:+2:2: +2:2
       }
   }
diff --git a/tests/mir-opt/const_prop/reify_fn_ptr.rs b/tests/mir-opt/const_prop/reify_fn_ptr.rs
index bfe2563ad8a..5f63820669b 100644
--- a/tests/mir-opt/const_prop/reify_fn_ptr.rs
+++ b/tests/mir-opt/const_prop/reify_fn_ptr.rs
@@ -1,3 +1,4 @@
+// unit-test: ConstProp
 // EMIT_MIR reify_fn_ptr.main.ConstProp.diff
 
 fn main() {
diff --git a/tests/mir-opt/const_prop/repeat.main.ConstProp.32bit.diff b/tests/mir-opt/const_prop/repeat.main.ConstProp.32bit.diff
index 636032adb81..6641220db69 100644
--- a/tests/mir-opt/const_prop/repeat.main.ConstProp.32bit.diff
+++ b/tests/mir-opt/const_prop/repeat.main.ConstProp.32bit.diff
@@ -20,11 +20,12 @@
           _3 = [const 42_u32; 8];          // scope 0 at $DIR/repeat.rs:+1:18: +1:25
           StorageLive(_4);                 // scope 0 at $DIR/repeat.rs:+1:26: +1:27
           _4 = const 2_usize;              // scope 0 at $DIR/repeat.rs:+1:26: +1:27
-          _5 = const 8_usize;              // scope 0 at $DIR/repeat.rs:+1:18: +1:28
+-         _5 = Len(_3);                    // scope 0 at $DIR/repeat.rs:+1:18: +1:28
 -         _6 = Lt(_4, _5);                 // scope 0 at $DIR/repeat.rs:+1:18: +1:28
 -         assert(move _6, "index out of bounds: the length is {} but the index is {}", move _5, _4) -> bb1; // scope 0 at $DIR/repeat.rs:+1:18: +1:28
++         _5 = const 8_usize;              // scope 0 at $DIR/repeat.rs:+1:18: +1:28
 +         _6 = const true;                 // scope 0 at $DIR/repeat.rs:+1:18: +1:28
-+         assert(const true, "index out of bounds: the length is {} but the index is {}", const 8_usize, const 2_usize) -> bb1; // scope 0 at $DIR/repeat.rs:+1:18: +1:28
++         assert(const true, "index out of bounds: the length is {} but the index is {}", move _5, _4) -> bb1; // scope 0 at $DIR/repeat.rs:+1:18: +1:28
       }
   
       bb1: {
@@ -35,6 +36,7 @@
           StorageDead(_2);                 // scope 0 at $DIR/repeat.rs:+1:31: +1:32
           StorageDead(_4);                 // scope 0 at $DIR/repeat.rs:+1:32: +1:33
           StorageDead(_3);                 // scope 0 at $DIR/repeat.rs:+1:32: +1:33
+          _0 = const ();                   // scope 0 at $DIR/repeat.rs:+0:11: +2:2
           StorageDead(_1);                 // scope 0 at $DIR/repeat.rs:+2:1: +2:2
           return;                          // scope 0 at $DIR/repeat.rs:+2:2: +2:2
       }
diff --git a/tests/mir-opt/const_prop/repeat.main.ConstProp.64bit.diff b/tests/mir-opt/const_prop/repeat.main.ConstProp.64bit.diff
index 636032adb81..6641220db69 100644
--- a/tests/mir-opt/const_prop/repeat.main.ConstProp.64bit.diff
+++ b/tests/mir-opt/const_prop/repeat.main.ConstProp.64bit.diff
@@ -20,11 +20,12 @@
           _3 = [const 42_u32; 8];          // scope 0 at $DIR/repeat.rs:+1:18: +1:25
           StorageLive(_4);                 // scope 0 at $DIR/repeat.rs:+1:26: +1:27
           _4 = const 2_usize;              // scope 0 at $DIR/repeat.rs:+1:26: +1:27
-          _5 = const 8_usize;              // scope 0 at $DIR/repeat.rs:+1:18: +1:28
+-         _5 = Len(_3);                    // scope 0 at $DIR/repeat.rs:+1:18: +1:28
 -         _6 = Lt(_4, _5);                 // scope 0 at $DIR/repeat.rs:+1:18: +1:28
 -         assert(move _6, "index out of bounds: the length is {} but the index is {}", move _5, _4) -> bb1; // scope 0 at $DIR/repeat.rs:+1:18: +1:28
++         _5 = const 8_usize;              // scope 0 at $DIR/repeat.rs:+1:18: +1:28
 +         _6 = const true;                 // scope 0 at $DIR/repeat.rs:+1:18: +1:28
-+         assert(const true, "index out of bounds: the length is {} but the index is {}", const 8_usize, const 2_usize) -> bb1; // scope 0 at $DIR/repeat.rs:+1:18: +1:28
++         assert(const true, "index out of bounds: the length is {} but the index is {}", move _5, _4) -> bb1; // scope 0 at $DIR/repeat.rs:+1:18: +1:28
       }
   
       bb1: {
@@ -35,6 +36,7 @@
           StorageDead(_2);                 // scope 0 at $DIR/repeat.rs:+1:31: +1:32
           StorageDead(_4);                 // scope 0 at $DIR/repeat.rs:+1:32: +1:33
           StorageDead(_3);                 // scope 0 at $DIR/repeat.rs:+1:32: +1:33
+          _0 = const ();                   // scope 0 at $DIR/repeat.rs:+0:11: +2:2
           StorageDead(_1);                 // scope 0 at $DIR/repeat.rs:+2:1: +2:2
           return;                          // scope 0 at $DIR/repeat.rs:+2:2: +2:2
       }
diff --git a/tests/mir-opt/const_prop/repeat.rs b/tests/mir-opt/const_prop/repeat.rs
index 2f3b7d2c502..9c11dbc5b66 100644
--- a/tests/mir-opt/const_prop/repeat.rs
+++ b/tests/mir-opt/const_prop/repeat.rs
@@ -1,7 +1,8 @@
+// unit-test: ConstProp
 // ignore-wasm32 compiled with panic=abort by default
-// compile-flags: -O
-
+// compile-flags: -Zmir-enable-passes=+NormalizeArrayLen
 // EMIT_MIR_FOR_EACH_BIT_WIDTH
+
 // EMIT_MIR repeat.main.ConstProp.diff
 fn main() {
     let x: u32 = [42; 8][2] + 0;
diff --git a/tests/mir-opt/const_prop/return_place.add.PreCodegen.before.mir b/tests/mir-opt/const_prop/return_place.add.PreCodegen.before.mir
index ececd994283..b12d84fa479 100644
--- a/tests/mir-opt/const_prop/return_place.add.PreCodegen.before.mir
+++ b/tests/mir-opt/const_prop/return_place.add.PreCodegen.before.mir
@@ -2,8 +2,14 @@
 
 fn add() -> u32 {
     let mut _0: u32;                     // return place in scope 0 at $DIR/return_place.rs:+0:13: +0:16
+    let mut _1: (u32, bool);             // in scope 0 at $DIR/return_place.rs:+1:5: +1:10
 
     bb0: {
+        _1 = const (4_u32, false);       // scope 0 at $DIR/return_place.rs:+1:5: +1:10
+        assert(!const false, "attempt to compute `{} + {}`, which would overflow", const 2_u32, const 2_u32) -> bb1; // scope 0 at $DIR/return_place.rs:+1:5: +1:10
+    }
+
+    bb1: {
         _0 = const 4_u32;                // scope 0 at $DIR/return_place.rs:+1:5: +1:10
         return;                          // scope 0 at $DIR/return_place.rs:+2:2: +2:2
     }
diff --git a/tests/mir-opt/const_prop/return_place.rs b/tests/mir-opt/const_prop/return_place.rs
index ae119df8518..0e68309f036 100644
--- a/tests/mir-opt/const_prop/return_place.rs
+++ b/tests/mir-opt/const_prop/return_place.rs
@@ -1,3 +1,4 @@
+// unit-test: ConstProp
 // ignore-wasm32 compiled with panic=abort by default
 // compile-flags: -C overflow-checks=on
 
diff --git a/tests/mir-opt/const_prop/scalar_literal_propagation.main.ConstProp.diff b/tests/mir-opt/const_prop/scalar_literal_propagation.main.ConstProp.diff
index a091b4ace20..c2f97a0f622 100644
--- a/tests/mir-opt/const_prop/scalar_literal_propagation.main.ConstProp.diff
+++ b/tests/mir-opt/const_prop/scalar_literal_propagation.main.ConstProp.diff
@@ -11,15 +11,23 @@
       }
   
       bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/scalar_literal_propagation.rs:+1:9: +1:10
           _1 = const 1_u32;                // scope 0 at $DIR/scalar_literal_propagation.rs:+1:13: +1:14
--         _2 = consume(_1) -> bb1;         // scope 1 at $DIR/scalar_literal_propagation.rs:+2:5: +2:15
-+         _2 = consume(const 1_u32) -> bb1; // scope 1 at $DIR/scalar_literal_propagation.rs:+2:5: +2:15
+          StorageLive(_2);                 // scope 1 at $DIR/scalar_literal_propagation.rs:+2:5: +2:15
+          StorageLive(_3);                 // scope 1 at $DIR/scalar_literal_propagation.rs:+2:13: +2:14
+-         _3 = _1;                         // scope 1 at $DIR/scalar_literal_propagation.rs:+2:13: +2:14
++         _3 = const 1_u32;                // scope 1 at $DIR/scalar_literal_propagation.rs:+2:13: +2:14
+          _2 = consume(move _3) -> bb1;    // scope 1 at $DIR/scalar_literal_propagation.rs:+2:5: +2:15
                                            // mir::Constant
-                                           // + span: $DIR/scalar_literal_propagation.rs:5:5: 5:12
+                                           // + span: $DIR/scalar_literal_propagation.rs:6:5: 6:12
                                            // + literal: Const { ty: fn(u32) {consume}, val: Value(<ZST>) }
       }
   
       bb1: {
+          StorageDead(_3);                 // scope 1 at $DIR/scalar_literal_propagation.rs:+2:14: +2:15
+          StorageDead(_2);                 // scope 1 at $DIR/scalar_literal_propagation.rs:+2:15: +2:16
+          _0 = const ();                   // scope 0 at $DIR/scalar_literal_propagation.rs:+0:11: +3:2
+          StorageDead(_1);                 // scope 0 at $DIR/scalar_literal_propagation.rs:+3:1: +3:2
           return;                          // scope 0 at $DIR/scalar_literal_propagation.rs:+3:2: +3:2
       }
   }
diff --git a/tests/mir-opt/const_prop/scalar_literal_propagation.rs b/tests/mir-opt/const_prop/scalar_literal_propagation.rs
index e13e352f8a1..fc33cc2d021 100644
--- a/tests/mir-opt/const_prop/scalar_literal_propagation.rs
+++ b/tests/mir-opt/const_prop/scalar_literal_propagation.rs
@@ -1,3 +1,4 @@
+// unit-test: ConstProp
 // ignore-wasm32 compiled with panic=abort by default
 // EMIT_MIR scalar_literal_propagation.main.ConstProp.diff
 fn main() {
diff --git a/tests/mir-opt/const_prop/slice_len.rs b/tests/mir-opt/const_prop/slice_len.rs
index 4499c54f264..9821d1b1e92 100644
--- a/tests/mir-opt/const_prop/slice_len.rs
+++ b/tests/mir-opt/const_prop/slice_len.rs
@@ -1,6 +1,6 @@
 // ignore-wasm32 compiled with panic=abort by default
 // unit-test: ConstProp
-// compile-flags: -Zmir-enable-passes=+InstCombine
+// compile-flags: -Zmir-enable-passes=+InstSimplify
 // EMIT_MIR_FOR_EACH_BIT_WIDTH
 
 // EMIT_MIR slice_len.main.ConstProp.diff
diff --git a/tests/mir-opt/const_prop/switch_int.main.ConstProp.diff b/tests/mir-opt/const_prop/switch_int.main.ConstProp.diff
index 85704c48a2c..664b7839ffc 100644
--- a/tests/mir-opt/const_prop/switch_int.main.ConstProp.diff
+++ b/tests/mir-opt/const_prop/switch_int.main.ConstProp.diff
@@ -15,14 +15,14 @@
       bb1: {
           _0 = foo(const -1_i32) -> bb3;   // scope 0 at $DIR/switch_int.rs:+3:14: +3:21
                                            // mir::Constant
-                                           // + span: $DIR/switch_int.rs:10:14: 10:17
+                                           // + span: $DIR/switch_int.rs:12:14: 12:17
                                            // + literal: Const { ty: fn(i32) {foo}, val: Value(<ZST>) }
       }
   
       bb2: {
           _0 = foo(const 0_i32) -> bb3;    // scope 0 at $DIR/switch_int.rs:+2:14: +2:20
                                            // mir::Constant
-                                           // + span: $DIR/switch_int.rs:9:14: 9:17
+                                           // + span: $DIR/switch_int.rs:11:14: 11:17
                                            // + literal: Const { ty: fn(i32) {foo}, val: Value(<ZST>) }
       }
   
diff --git a/tests/mir-opt/const_prop/switch_int.main.SimplifyConstCondition-after-const-prop.diff b/tests/mir-opt/const_prop/switch_int.main.SimplifyConstCondition-after-const-prop.diff
index 0864db22523..ef2c4d5faa6 100644
--- a/tests/mir-opt/const_prop/switch_int.main.SimplifyConstCondition-after-const-prop.diff
+++ b/tests/mir-opt/const_prop/switch_int.main.SimplifyConstCondition-after-const-prop.diff
@@ -15,14 +15,14 @@
       bb1: {
           _0 = foo(const -1_i32) -> bb3;   // scope 0 at $DIR/switch_int.rs:+3:14: +3:21
                                            // mir::Constant
-                                           // + span: $DIR/switch_int.rs:10:14: 10:17
+                                           // + span: $DIR/switch_int.rs:12:14: 12:17
                                            // + literal: Const { ty: fn(i32) {foo}, val: Value(<ZST>) }
       }
   
       bb2: {
           _0 = foo(const 0_i32) -> bb3;    // scope 0 at $DIR/switch_int.rs:+2:14: +2:20
                                            // mir::Constant
-                                           // + span: $DIR/switch_int.rs:9:14: 9:17
+                                           // + span: $DIR/switch_int.rs:11:14: 11:17
                                            // + literal: Const { ty: fn(i32) {foo}, val: Value(<ZST>) }
       }
   
diff --git a/tests/mir-opt/const_prop/switch_int.rs b/tests/mir-opt/const_prop/switch_int.rs
index 2a2322e43a9..7158ea4d2bd 100644
--- a/tests/mir-opt/const_prop/switch_int.rs
+++ b/tests/mir-opt/const_prop/switch_int.rs
@@ -1,3 +1,5 @@
+// unit-test: ConstProp
+// compile-flags: -Zmir-enable-passes=+SimplifyConstCondition-after-const-prop
 // ignore-wasm32 compiled with panic=abort by default
 #[inline(never)]
 fn foo(_: i32) { }
diff --git a/tests/mir-opt/const_prop/transmute.from_char.ConstProp.diff b/tests/mir-opt/const_prop/transmute.from_char.ConstProp.32bit.diff
index 933dfbb5166..933dfbb5166 100644
--- a/tests/mir-opt/const_prop/transmute.from_char.ConstProp.diff
+++ b/tests/mir-opt/const_prop/transmute.from_char.ConstProp.32bit.diff
diff --git a/tests/mir-opt/const_prop/transmute.from_char.ConstProp.64bit.diff b/tests/mir-opt/const_prop/transmute.from_char.ConstProp.64bit.diff
new file mode 100644
index 00000000000..933dfbb5166
--- /dev/null
+++ b/tests/mir-opt/const_prop/transmute.from_char.ConstProp.64bit.diff
@@ -0,0 +1,15 @@
+- // MIR for `from_char` before ConstProp
++ // MIR for `from_char` after ConstProp
+  
+  fn from_char() -> i32 {
+      let mut _0: i32;                     // return place in scope 0 at $DIR/transmute.rs:+0:23: +0:26
+      scope 1 {
+      }
+  
+      bb0: {
+-         _0 = const 'R' as i32 (Transmute); // scope 1 at $DIR/transmute.rs:+1:14: +1:28
++         _0 = const 82_i32;               // scope 1 at $DIR/transmute.rs:+1:14: +1:28
+          return;                          // scope 0 at $DIR/transmute.rs:+2:2: +2:2
+      }
+  }
+  
diff --git a/tests/mir-opt/const_prop/transmute.invalid_bool.ConstProp.diff b/tests/mir-opt/const_prop/transmute.invalid_bool.ConstProp.32bit.diff
index f3474855f02..4a31194de6e 100644
--- a/tests/mir-opt/const_prop/transmute.invalid_bool.ConstProp.diff
+++ b/tests/mir-opt/const_prop/transmute.invalid_bool.ConstProp.32bit.diff
@@ -7,7 +7,8 @@
       }
   
       bb0: {
-          _0 = const -1_i8 as bool (Transmute); // scope 1 at $DIR/transmute.rs:+1:14: +1:30
+-         _0 = const -1_i8 as bool (Transmute); // scope 1 at $DIR/transmute.rs:+1:14: +1:30
++         _0 = const {transmute(0xff): bool}; // scope 1 at $DIR/transmute.rs:+1:14: +1:30
           return;                          // scope 0 at $DIR/transmute.rs:+2:2: +2:2
       }
   }
diff --git a/tests/mir-opt/const_prop/transmute.invalid_bool.ConstProp.64bit.diff b/tests/mir-opt/const_prop/transmute.invalid_bool.ConstProp.64bit.diff
new file mode 100644
index 00000000000..4a31194de6e
--- /dev/null
+++ b/tests/mir-opt/const_prop/transmute.invalid_bool.ConstProp.64bit.diff
@@ -0,0 +1,15 @@
+- // MIR for `invalid_bool` before ConstProp
++ // MIR for `invalid_bool` after ConstProp
+  
+  fn invalid_bool() -> bool {
+      let mut _0: bool;                    // return place in scope 0 at $DIR/transmute.rs:+0:33: +0:37
+      scope 1 {
+      }
+  
+      bb0: {
+-         _0 = const -1_i8 as bool (Transmute); // scope 1 at $DIR/transmute.rs:+1:14: +1:30
++         _0 = const {transmute(0xff): bool}; // scope 1 at $DIR/transmute.rs:+1:14: +1:30
+          return;                          // scope 0 at $DIR/transmute.rs:+2:2: +2:2
+      }
+  }
+  
diff --git a/tests/mir-opt/const_prop/transmute.invalid_char.ConstProp.diff b/tests/mir-opt/const_prop/transmute.invalid_char.ConstProp.32bit.diff
index ba087e226c9..2c541f2f6a0 100644
--- a/tests/mir-opt/const_prop/transmute.invalid_char.ConstProp.diff
+++ b/tests/mir-opt/const_prop/transmute.invalid_char.ConstProp.32bit.diff
@@ -7,7 +7,8 @@
       }
   
       bb0: {
-          _0 = const _ as char (Transmute); // scope 1 at $DIR/transmute.rs:+1:14: +1:33
+-         _0 = const _ as char (Transmute); // scope 1 at $DIR/transmute.rs:+1:14: +1:33
++         _0 = const {transmute(0x7fffffff): char}; // scope 1 at $DIR/transmute.rs:+1:14: +1:33
           return;                          // scope 0 at $DIR/transmute.rs:+2:2: +2:2
       }
   }
diff --git a/tests/mir-opt/const_prop/transmute.invalid_char.ConstProp.64bit.diff b/tests/mir-opt/const_prop/transmute.invalid_char.ConstProp.64bit.diff
new file mode 100644
index 00000000000..2c541f2f6a0
--- /dev/null
+++ b/tests/mir-opt/const_prop/transmute.invalid_char.ConstProp.64bit.diff
@@ -0,0 +1,15 @@
+- // MIR for `invalid_char` before ConstProp
++ // MIR for `invalid_char` after ConstProp
+  
+  fn invalid_char() -> char {
+      let mut _0: char;                    // return place in scope 0 at $DIR/transmute.rs:+0:33: +0:37
+      scope 1 {
+      }
+  
+      bb0: {
+-         _0 = const _ as char (Transmute); // scope 1 at $DIR/transmute.rs:+1:14: +1:33
++         _0 = const {transmute(0x7fffffff): char}; // scope 1 at $DIR/transmute.rs:+1:14: +1:33
+          return;                          // scope 0 at $DIR/transmute.rs:+2:2: +2:2
+      }
+  }
+  
diff --git a/tests/mir-opt/const_prop/transmute.less_as_i8.ConstProp.diff b/tests/mir-opt/const_prop/transmute.less_as_i8.ConstProp.32bit.diff
index 76d464789c1..76d464789c1 100644
--- a/tests/mir-opt/const_prop/transmute.less_as_i8.ConstProp.diff
+++ b/tests/mir-opt/const_prop/transmute.less_as_i8.ConstProp.32bit.diff
diff --git a/tests/mir-opt/const_prop/transmute.less_as_i8.ConstProp.64bit.diff b/tests/mir-opt/const_prop/transmute.less_as_i8.ConstProp.64bit.diff
new file mode 100644
index 00000000000..76d464789c1
--- /dev/null
+++ b/tests/mir-opt/const_prop/transmute.less_as_i8.ConstProp.64bit.diff
@@ -0,0 +1,23 @@
+- // MIR for `less_as_i8` before ConstProp
++ // MIR for `less_as_i8` after ConstProp
+  
+  fn less_as_i8() -> i8 {
+      let mut _0: i8;                      // return place in scope 0 at $DIR/transmute.rs:+0:24: +0:26
+      let mut _1: std::cmp::Ordering;      // in scope 0 at $DIR/transmute.rs:+1:24: +1:48
+      scope 1 {
+      }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 1 at $DIR/transmute.rs:+1:24: +1:48
+-         _1 = Less;                       // scope 1 at $DIR/transmute.rs:+1:24: +1:48
+-         _0 = move _1 as i8 (Transmute);  // scope 1 at $DIR/transmute.rs:+1:14: +1:49
++         _1 = const Less;                 // scope 1 at $DIR/transmute.rs:+1:24: +1:48
++                                          // mir::Constant
++                                          // + span: no-location
++                                          // + literal: Const { ty: std::cmp::Ordering, val: Value(Scalar(0xff)) }
++         _0 = const -1_i8;                // scope 1 at $DIR/transmute.rs:+1:14: +1:49
+          StorageDead(_1);                 // scope 1 at $DIR/transmute.rs:+1:48: +1:49
+          return;                          // scope 0 at $DIR/transmute.rs:+2:2: +2:2
+      }
+  }
+  
diff --git a/tests/mir-opt/const_prop/transmute.rs b/tests/mir-opt/const_prop/transmute.rs
index b753cdccd60..762c421715a 100644
--- a/tests/mir-opt/const_prop/transmute.rs
+++ b/tests/mir-opt/const_prop/transmute.rs
@@ -1,5 +1,7 @@
 // unit-test: ConstProp
 // compile-flags: -O --crate-type=lib
+// ignore-endian-big
+// EMIT_MIR_FOR_EACH_BIT_WIDTH
 
 use std::mem::transmute;
 
diff --git a/tests/mir-opt/const_prop/transmute.undef_union_as_integer.ConstProp.diff b/tests/mir-opt/const_prop/transmute.undef_union_as_integer.ConstProp.32bit.diff
index 538b1f26e4c..538b1f26e4c 100644
--- a/tests/mir-opt/const_prop/transmute.undef_union_as_integer.ConstProp.diff
+++ b/tests/mir-opt/const_prop/transmute.undef_union_as_integer.ConstProp.32bit.diff
diff --git a/tests/mir-opt/const_prop/transmute.undef_union_as_integer.ConstProp.64bit.diff b/tests/mir-opt/const_prop/transmute.undef_union_as_integer.ConstProp.64bit.diff
new file mode 100644
index 00000000000..538b1f26e4c
--- /dev/null
+++ b/tests/mir-opt/const_prop/transmute.undef_union_as_integer.ConstProp.64bit.diff
@@ -0,0 +1,22 @@
+- // MIR for `undef_union_as_integer` before ConstProp
++ // MIR for `undef_union_as_integer` after ConstProp
+  
+  fn undef_union_as_integer() -> u32 {
+      let mut _0: u32;                     // return place in scope 0 at $DIR/transmute.rs:+0:43: +0:46
+      let mut _1: undef_union_as_integer::Union32; // in scope 0 at $DIR/transmute.rs:+2:24: +2:44
+      let mut _2: ();                      // in scope 0 at $DIR/transmute.rs:+2:40: +2:42
+      scope 1 {
+      }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 1 at $DIR/transmute.rs:+2:24: +2:44
+          StorageLive(_2);                 // scope 1 at $DIR/transmute.rs:+2:40: +2:42
+          _2 = ();                         // scope 1 at $DIR/transmute.rs:+2:40: +2:42
+          _1 = Union32 { value: move _2 }; // scope 1 at $DIR/transmute.rs:+2:24: +2:44
+          StorageDead(_2);                 // scope 1 at $DIR/transmute.rs:+2:43: +2:44
+          _0 = move _1 as u32 (Transmute); // scope 1 at $DIR/transmute.rs:+2:14: +2:45
+          StorageDead(_1);                 // scope 1 at $DIR/transmute.rs:+2:44: +2:45
+          return;                          // scope 0 at $DIR/transmute.rs:+3:2: +3:2
+      }
+  }
+  
diff --git a/tests/mir-opt/const_prop/transmute.unreachable_box.ConstProp.diff b/tests/mir-opt/const_prop/transmute.unreachable_box.ConstProp.32bit.diff
index 8bf97996a67..bc41b5d0813 100644
--- a/tests/mir-opt/const_prop/transmute.unreachable_box.ConstProp.diff
+++ b/tests/mir-opt/const_prop/transmute.unreachable_box.ConstProp.32bit.diff
@@ -15,7 +15,11 @@
       bb0: {
           StorageLive(_1);                 // scope 0 at $DIR/transmute.rs:+0:38: +3:2
           StorageLive(_2);                 // scope 0 at $DIR/transmute.rs:+1:9: +1:10
-          _2 = const 1_usize as std::boxed::Box<Never> (Transmute); // scope 2 at $DIR/transmute.rs:+1:34: +1:52
+-         _2 = const 1_usize as std::boxed::Box<Never> (Transmute); // scope 2 at $DIR/transmute.rs:+1:34: +1:52
++         _2 = const Box::<Never>(Unique::<Never> {{ pointer: NonNull::<Never> {{ pointer: {0x1 as *const Never} }}, _marker: PhantomData::<Never> }}, std::alloc::Global); // scope 2 at $DIR/transmute.rs:+1:34: +1:52
++                                          // mir::Constant
++                                          // + span: no-location
++                                          // + literal: Const { ty: Box<Never>, val: Value(Scalar(0x00000001)) }
           StorageLive(_3);                 // scope 1 at $DIR/transmute.rs:+2:5: +2:16
           unreachable;                     // scope 1 at $DIR/transmute.rs:+2:11: +2:13
       }
diff --git a/tests/mir-opt/const_prop/transmute.unreachable_box.ConstProp.64bit.diff b/tests/mir-opt/const_prop/transmute.unreachable_box.ConstProp.64bit.diff
new file mode 100644
index 00000000000..c4376e6e17a
--- /dev/null
+++ b/tests/mir-opt/const_prop/transmute.unreachable_box.ConstProp.64bit.diff
@@ -0,0 +1,27 @@
+- // MIR for `unreachable_box` before ConstProp
++ // MIR for `unreachable_box` after ConstProp
+  
+  fn unreachable_box() -> ! {
+      let mut _0: !;                       // return place in scope 0 at $DIR/transmute.rs:+0:36: +0:37
+      let mut _1: !;                       // in scope 0 at $DIR/transmute.rs:+0:38: +3:2
+      let _2: std::boxed::Box<Never>;      // in scope 0 at $DIR/transmute.rs:+1:9: +1:10
+      let mut _3: !;                       // in scope 0 at $DIR/transmute.rs:+2:5: +2:16
+      scope 1 {
+          debug x => _2;                   // in scope 1 at $DIR/transmute.rs:+1:9: +1:10
+      }
+      scope 2 {
+      }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/transmute.rs:+0:38: +3:2
+          StorageLive(_2);                 // scope 0 at $DIR/transmute.rs:+1:9: +1:10
+-         _2 = const 1_usize as std::boxed::Box<Never> (Transmute); // scope 2 at $DIR/transmute.rs:+1:34: +1:52
++         _2 = const Box::<Never>(Unique::<Never> {{ pointer: NonNull::<Never> {{ pointer: {0x1 as *const Never} }}, _marker: PhantomData::<Never> }}, std::alloc::Global); // scope 2 at $DIR/transmute.rs:+1:34: +1:52
++                                          // mir::Constant
++                                          // + span: no-location
++                                          // + literal: Const { ty: Box<Never>, val: Value(Scalar(0x0000000000000001)) }
+          StorageLive(_3);                 // scope 1 at $DIR/transmute.rs:+2:5: +2:16
+          unreachable;                     // scope 1 at $DIR/transmute.rs:+2:11: +2:13
+      }
+  }
+  
diff --git a/tests/mir-opt/const_prop/transmute.unreachable_direct.ConstProp.diff b/tests/mir-opt/const_prop/transmute.unreachable_direct.ConstProp.32bit.diff
index 81b7b368993..81b7b368993 100644
--- a/tests/mir-opt/const_prop/transmute.unreachable_direct.ConstProp.diff
+++ b/tests/mir-opt/const_prop/transmute.unreachable_direct.ConstProp.32bit.diff
diff --git a/tests/mir-opt/const_prop/transmute.unreachable_direct.ConstProp.64bit.diff b/tests/mir-opt/const_prop/transmute.unreachable_direct.ConstProp.64bit.diff
new file mode 100644
index 00000000000..81b7b368993
--- /dev/null
+++ b/tests/mir-opt/const_prop/transmute.unreachable_direct.ConstProp.64bit.diff
@@ -0,0 +1,25 @@
+- // MIR for `unreachable_direct` before ConstProp
++ // MIR for `unreachable_direct` after ConstProp
+  
+  fn unreachable_direct() -> ! {
+      let mut _0: !;                       // return place in scope 0 at $DIR/transmute.rs:+0:39: +0:40
+      let mut _1: !;                       // in scope 0 at $DIR/transmute.rs:+0:41: +3:2
+      let _2: Never;                       // in scope 0 at $DIR/transmute.rs:+1:9: +1:10
+      let mut _3: ();                      // in scope 0 at $DIR/transmute.rs:+1:39: +1:41
+      let mut _4: !;                       // in scope 0 at $DIR/transmute.rs:+2:5: +2:15
+      scope 1 {
+          debug x => _2;                   // in scope 1 at $DIR/transmute.rs:+1:9: +1:10
+      }
+      scope 2 {
+      }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/transmute.rs:+0:41: +3:2
+          StorageLive(_2);                 // scope 0 at $DIR/transmute.rs:+1:9: +1:10
+          StorageLive(_3);                 // scope 2 at $DIR/transmute.rs:+1:39: +1:41
+          _3 = ();                         // scope 2 at $DIR/transmute.rs:+1:39: +1:41
+          _2 = move _3 as Never (Transmute); // scope 2 at $DIR/transmute.rs:+1:29: +1:42
+          unreachable;                     // scope 2 at $DIR/transmute.rs:+1:29: +1:42
+      }
+  }
+  
diff --git a/tests/mir-opt/const_prop/transmute.unreachable_mut.ConstProp.diff b/tests/mir-opt/const_prop/transmute.unreachable_mut.ConstProp.32bit.diff
index 34f7aea8ed2..47f023cd93d 100644
--- a/tests/mir-opt/const_prop/transmute.unreachable_mut.ConstProp.diff
+++ b/tests/mir-opt/const_prop/transmute.unreachable_mut.ConstProp.32bit.diff
@@ -17,7 +17,11 @@
           StorageLive(_1);                 // scope 0 at $DIR/transmute.rs:+0:38: +3:2
           StorageLive(_2);                 // scope 0 at $DIR/transmute.rs:+1:9: +1:10
           StorageLive(_3);                 // scope 0 at $DIR/transmute.rs:+1:34: +1:52
-          _3 = const 1_usize as &mut Never (Transmute); // scope 2 at $DIR/transmute.rs:+1:34: +1:52
+-         _3 = const 1_usize as &mut Never (Transmute); // scope 2 at $DIR/transmute.rs:+1:34: +1:52
++         _3 = const {0x1 as &mut Never};  // scope 2 at $DIR/transmute.rs:+1:34: +1:52
++                                          // mir::Constant
++                                          // + span: no-location
++                                          // + literal: Const { ty: &mut Never, val: Value(Scalar(0x00000001)) }
           _2 = &mut (*_3);                 // scope 0 at $DIR/transmute.rs:+1:34: +1:52
           StorageDead(_3);                 // scope 0 at $DIR/transmute.rs:+1:54: +1:55
           StorageLive(_4);                 // scope 1 at $DIR/transmute.rs:+2:5: +2:16
diff --git a/tests/mir-opt/const_prop/transmute.unreachable_mut.ConstProp.64bit.diff b/tests/mir-opt/const_prop/transmute.unreachable_mut.ConstProp.64bit.diff
new file mode 100644
index 00000000000..62300d2e313
--- /dev/null
+++ b/tests/mir-opt/const_prop/transmute.unreachable_mut.ConstProp.64bit.diff
@@ -0,0 +1,31 @@
+- // MIR for `unreachable_mut` before ConstProp
++ // MIR for `unreachable_mut` after ConstProp
+  
+  fn unreachable_mut() -> ! {
+      let mut _0: !;                       // return place in scope 0 at $DIR/transmute.rs:+0:36: +0:37
+      let mut _1: !;                       // in scope 0 at $DIR/transmute.rs:+0:38: +3:2
+      let _2: &mut Never;                  // in scope 0 at $DIR/transmute.rs:+1:9: +1:10
+      let mut _3: &mut Never;              // in scope 0 at $DIR/transmute.rs:+1:34: +1:52
+      let mut _4: !;                       // in scope 0 at $DIR/transmute.rs:+2:5: +2:16
+      scope 1 {
+          debug x => _2;                   // in scope 1 at $DIR/transmute.rs:+1:9: +1:10
+      }
+      scope 2 {
+      }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/transmute.rs:+0:38: +3:2
+          StorageLive(_2);                 // scope 0 at $DIR/transmute.rs:+1:9: +1:10
+          StorageLive(_3);                 // scope 0 at $DIR/transmute.rs:+1:34: +1:52
+-         _3 = const 1_usize as &mut Never (Transmute); // scope 2 at $DIR/transmute.rs:+1:34: +1:52
++         _3 = const {0x1 as &mut Never};  // scope 2 at $DIR/transmute.rs:+1:34: +1:52
++                                          // mir::Constant
++                                          // + span: no-location
++                                          // + literal: Const { ty: &mut Never, val: Value(Scalar(0x0000000000000001)) }
+          _2 = &mut (*_3);                 // scope 0 at $DIR/transmute.rs:+1:34: +1:52
+          StorageDead(_3);                 // scope 0 at $DIR/transmute.rs:+1:54: +1:55
+          StorageLive(_4);                 // scope 1 at $DIR/transmute.rs:+2:5: +2:16
+          unreachable;                     // scope 1 at $DIR/transmute.rs:+2:11: +2:13
+      }
+  }
+  
diff --git a/tests/mir-opt/const_prop/transmute.unreachable_ref.ConstProp.diff b/tests/mir-opt/const_prop/transmute.unreachable_ref.ConstProp.32bit.diff
index ff95f2a0b94..8578f898a7e 100644
--- a/tests/mir-opt/const_prop/transmute.unreachable_ref.ConstProp.diff
+++ b/tests/mir-opt/const_prop/transmute.unreachable_ref.ConstProp.32bit.diff
@@ -15,7 +15,11 @@
       bb0: {
           StorageLive(_1);                 // scope 0 at $DIR/transmute.rs:+0:38: +3:2
           StorageLive(_2);                 // scope 0 at $DIR/transmute.rs:+1:9: +1:10
-          _2 = const 1_usize as &Never (Transmute); // scope 2 at $DIR/transmute.rs:+1:30: +1:48
+-         _2 = const 1_usize as &Never (Transmute); // scope 2 at $DIR/transmute.rs:+1:30: +1:48
++         _2 = const {0x1 as &Never};      // scope 2 at $DIR/transmute.rs:+1:30: +1:48
++                                          // mir::Constant
++                                          // + span: no-location
++                                          // + literal: Const { ty: &Never, val: Value(Scalar(0x00000001)) }
           StorageLive(_3);                 // scope 1 at $DIR/transmute.rs:+2:5: +2:16
           unreachable;                     // scope 1 at $DIR/transmute.rs:+2:11: +2:13
       }
diff --git a/tests/mir-opt/const_prop/transmute.unreachable_ref.ConstProp.64bit.diff b/tests/mir-opt/const_prop/transmute.unreachable_ref.ConstProp.64bit.diff
new file mode 100644
index 00000000000..8b11cea9365
--- /dev/null
+++ b/tests/mir-opt/const_prop/transmute.unreachable_ref.ConstProp.64bit.diff
@@ -0,0 +1,27 @@
+- // MIR for `unreachable_ref` before ConstProp
++ // MIR for `unreachable_ref` after ConstProp
+  
+  fn unreachable_ref() -> ! {
+      let mut _0: !;                       // return place in scope 0 at $DIR/transmute.rs:+0:36: +0:37
+      let mut _1: !;                       // in scope 0 at $DIR/transmute.rs:+0:38: +3:2
+      let _2: &Never;                      // in scope 0 at $DIR/transmute.rs:+1:9: +1:10
+      let mut _3: !;                       // in scope 0 at $DIR/transmute.rs:+2:5: +2:16
+      scope 1 {
+          debug x => _2;                   // in scope 1 at $DIR/transmute.rs:+1:9: +1:10
+      }
+      scope 2 {
+      }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/transmute.rs:+0:38: +3:2
+          StorageLive(_2);                 // scope 0 at $DIR/transmute.rs:+1:9: +1:10
+-         _2 = const 1_usize as &Never (Transmute); // scope 2 at $DIR/transmute.rs:+1:30: +1:48
++         _2 = const {0x1 as &Never};      // scope 2 at $DIR/transmute.rs:+1:30: +1:48
++                                          // mir::Constant
++                                          // + span: no-location
++                                          // + literal: Const { ty: &Never, val: Value(Scalar(0x0000000000000001)) }
+          StorageLive(_3);                 // scope 1 at $DIR/transmute.rs:+2:5: +2:16
+          unreachable;                     // scope 1 at $DIR/transmute.rs:+2:11: +2:13
+      }
+  }
+  
diff --git a/tests/mir-opt/const_prop/transmute.valid_char.ConstProp.diff b/tests/mir-opt/const_prop/transmute.valid_char.ConstProp.32bit.diff
index eac33b73003..eac33b73003 100644
--- a/tests/mir-opt/const_prop/transmute.valid_char.ConstProp.diff
+++ b/tests/mir-opt/const_prop/transmute.valid_char.ConstProp.32bit.diff
diff --git a/tests/mir-opt/const_prop/transmute.valid_char.ConstProp.64bit.diff b/tests/mir-opt/const_prop/transmute.valid_char.ConstProp.64bit.diff
new file mode 100644
index 00000000000..eac33b73003
--- /dev/null
+++ b/tests/mir-opt/const_prop/transmute.valid_char.ConstProp.64bit.diff
@@ -0,0 +1,15 @@
+- // MIR for `valid_char` before ConstProp
++ // MIR for `valid_char` after ConstProp
+  
+  fn valid_char() -> char {
+      let mut _0: char;                    // return place in scope 0 at $DIR/transmute.rs:+0:24: +0:28
+      scope 1 {
+      }
+  
+      bb0: {
+-         _0 = const 82_u32 as char (Transmute); // scope 1 at $DIR/transmute.rs:+1:14: +1:33
++         _0 = const 'R';                  // scope 1 at $DIR/transmute.rs:+1:14: +1:33
+          return;                          // scope 0 at $DIR/transmute.rs:+2:2: +2:2
+      }
+  }
+  
diff --git a/tests/mir-opt/const_prop/tuple_literal_propagation.main.ConstProp.diff b/tests/mir-opt/const_prop/tuple_literal_propagation.main.ConstProp.diff
index 12313b6c58d..e4a7c0d1e72 100644
--- a/tests/mir-opt/const_prop/tuple_literal_propagation.main.ConstProp.diff
+++ b/tests/mir-opt/const_prop/tuple_literal_propagation.main.ConstProp.diff
@@ -11,15 +11,24 @@
       }
   
       bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/tuple_literal_propagation.rs:+1:9: +1:10
 -         _1 = (const 1_u32, const 2_u32); // scope 0 at $DIR/tuple_literal_propagation.rs:+1:13: +1:19
 +         _1 = const (1_u32, 2_u32);       // scope 0 at $DIR/tuple_literal_propagation.rs:+1:13: +1:19
-          _2 = consume(_1) -> bb1;         // scope 1 at $DIR/tuple_literal_propagation.rs:+3:5: +3:15
+          StorageLive(_2);                 // scope 1 at $DIR/tuple_literal_propagation.rs:+3:5: +3:15
+          StorageLive(_3);                 // scope 1 at $DIR/tuple_literal_propagation.rs:+3:13: +3:14
+-         _3 = _1;                         // scope 1 at $DIR/tuple_literal_propagation.rs:+3:13: +3:14
++         _3 = const (1_u32, 2_u32);       // scope 1 at $DIR/tuple_literal_propagation.rs:+3:13: +3:14
+          _2 = consume(move _3) -> bb1;    // scope 1 at $DIR/tuple_literal_propagation.rs:+3:5: +3:15
                                            // mir::Constant
-                                           // + span: $DIR/tuple_literal_propagation.rs:6:5: 6:12
+                                           // + span: $DIR/tuple_literal_propagation.rs:7:5: 7:12
                                            // + literal: Const { ty: fn((u32, u32)) {consume}, val: Value(<ZST>) }
       }
   
       bb1: {
+          StorageDead(_3);                 // scope 1 at $DIR/tuple_literal_propagation.rs:+3:14: +3:15
+          StorageDead(_2);                 // scope 1 at $DIR/tuple_literal_propagation.rs:+3:15: +3:16
+          _0 = const ();                   // scope 0 at $DIR/tuple_literal_propagation.rs:+0:11: +4:2
+          StorageDead(_1);                 // scope 0 at $DIR/tuple_literal_propagation.rs:+4:1: +4:2
           return;                          // scope 0 at $DIR/tuple_literal_propagation.rs:+4:2: +4:2
       }
   }
diff --git a/tests/mir-opt/const_prop/tuple_literal_propagation.rs b/tests/mir-opt/const_prop/tuple_literal_propagation.rs
index edd748d00ab..f342ae2700e 100644
--- a/tests/mir-opt/const_prop/tuple_literal_propagation.rs
+++ b/tests/mir-opt/const_prop/tuple_literal_propagation.rs
@@ -1,3 +1,4 @@
+// unit-test: ConstProp
 // ignore-wasm32 compiled with panic=abort by default
 // EMIT_MIR tuple_literal_propagation.main.ConstProp.diff
 fn main() {
diff --git a/tests/mir-opt/while_let_loops.change_loop_body.ConstProp.diff b/tests/mir-opt/const_prop/while_let_loops.change_loop_body.ConstProp.diff
index a4f2d8c84d8..37732421870 100644
--- a/tests/mir-opt/while_let_loops.change_loop_body.ConstProp.diff
+++ b/tests/mir-opt/const_prop/while_let_loops.change_loop_body.ConstProp.diff
@@ -4,8 +4,13 @@
   fn change_loop_body() -> () {
       let mut _0: ();                      // return place in scope 0 at $DIR/while_let_loops.rs:+0:27: +0:27
       let mut _1: i32;                     // in scope 0 at $DIR/while_let_loops.rs:+1:9: +1:15
-      let mut _2: std::option::Option<u32>; // in scope 0 at $DIR/while_let_loops.rs:+2:28: +2:32
-      let mut _3: isize;                   // in scope 0 at $DIR/while_let_loops.rs:+2:15: +2:25
+      let mut _2: ();                      // in scope 0 at $DIR/while_let_loops.rs:+0:1: +6:2
+      let mut _3: std::option::Option<u32>; // in scope 0 at $DIR/while_let_loops.rs:+2:28: +2:32
+      let mut _4: isize;                   // in scope 0 at $DIR/while_let_loops.rs:+2:15: +2:25
+      let mut _5: !;                       // in scope 0 at $DIR/while_let_loops.rs:+2:33: +5:6
+      let mut _6: !;                       // in scope 0 at $DIR/while_let_loops.rs:+2:5: +5:6
+      let _7: ();                          // in scope 0 at $DIR/while_let_loops.rs:+2:5: +5:6
+      let mut _8: !;                       // in scope 0 at $DIR/while_let_loops.rs:+2:5: +5:6
       scope 1 {
           debug _x => _1;                  // in scope 1 at $DIR/while_let_loops.rs:+1:9: +1:15
           scope 2 {
@@ -15,29 +20,33 @@
       bb0: {
           StorageLive(_1);                 // scope 0 at $DIR/while_let_loops.rs:+1:9: +1:15
           _1 = const 0_i32;                // scope 0 at $DIR/while_let_loops.rs:+1:18: +1:19
-          StorageLive(_2);                 // scope 2 at $DIR/while_let_loops.rs:+2:28: +2:32
-          _2 = Option::<u32>::None;        // scope 2 at $DIR/while_let_loops.rs:+2:28: +2:32
--         _3 = discriminant(_2);           // scope 2 at $DIR/while_let_loops.rs:+2:15: +2:25
--         switchInt(move _3) -> [1: bb1, otherwise: bb3]; // scope 2 at $DIR/while_let_loops.rs:+2:15: +2:25
-+         _3 = const 0_isize;              // scope 2 at $DIR/while_let_loops.rs:+2:15: +2:25
+          StorageLive(_3);                 // scope 2 at $DIR/while_let_loops.rs:+2:28: +2:32
+          _3 = Option::<u32>::None;        // scope 2 at $DIR/while_let_loops.rs:+2:28: +2:32
+-         _4 = discriminant(_3);           // scope 2 at $DIR/while_let_loops.rs:+2:15: +2:25
+-         switchInt(move _4) -> [1: bb1, otherwise: bb3]; // scope 2 at $DIR/while_let_loops.rs:+2:15: +2:25
++         _4 = const 0_isize;              // scope 2 at $DIR/while_let_loops.rs:+2:15: +2:25
 +         switchInt(const 0_isize) -> [1: bb1, otherwise: bb3]; // scope 2 at $DIR/while_let_loops.rs:+2:15: +2:25
       }
   
       bb1: {
-          switchInt(((_2 as Some).0: u32)) -> [0: bb2, otherwise: bb3]; // scope 2 at $DIR/while_let_loops.rs:+2:15: +2:25
+          switchInt(((_3 as Some).0: u32)) -> [0: bb2, otherwise: bb3]; // scope 2 at $DIR/while_let_loops.rs:+2:15: +2:25
       }
   
       bb2: {
           _1 = const 1_i32;                // scope 2 at $DIR/while_let_loops.rs:+3:9: +3:15
+          _0 = const ();                   // scope 2 at $DIR/while_let_loops.rs:+4:9: +4:14
           goto -> bb4;                     // scope 2 at $DIR/while_let_loops.rs:+4:9: +4:14
       }
   
       bb3: {
+          StorageLive(_7);                 // scope 1 at $DIR/while_let_loops.rs:+2:5: +5:6
+          _0 = const ();                   // scope 1 at $DIR/while_let_loops.rs:+2:5: +5:6
+          StorageDead(_7);                 // scope 1 at $DIR/while_let_loops.rs:+5:5: +5:6
           goto -> bb4;                     // scope 1 at no-location
       }
   
       bb4: {
-          StorageDead(_2);                 // scope 1 at $DIR/while_let_loops.rs:+5:5: +5:6
+          StorageDead(_3);                 // scope 1 at $DIR/while_let_loops.rs:+5:5: +5:6
           StorageDead(_1);                 // scope 0 at $DIR/while_let_loops.rs:+6:1: +6:2
           return;                          // scope 0 at $DIR/while_let_loops.rs:+6:2: +6:2
       }
diff --git a/tests/mir-opt/while_let_loops.rs b/tests/mir-opt/const_prop/while_let_loops.rs
index fc56cd6985d..595a94b88be 100644
--- a/tests/mir-opt/while_let_loops.rs
+++ b/tests/mir-opt/const_prop/while_let_loops.rs
@@ -1,5 +1,5 @@
+// unit-test: ConstProp
 // EMIT_MIR while_let_loops.change_loop_body.ConstProp.diff
-// EMIT_MIR while_let_loops.change_loop_body.PreCodegen.after.mir
 
 pub fn change_loop_body() {
     let mut _x = 0;
diff --git a/tests/mir-opt/const_prop_miscompile.bar.ConstProp.diff b/tests/mir-opt/const_prop_miscompile.bar.ConstProp.diff
index def9fc6428f..a5f52d08957 100644
--- a/tests/mir-opt/const_prop_miscompile.bar.ConstProp.diff
+++ b/tests/mir-opt/const_prop_miscompile.bar.ConstProp.diff
@@ -19,8 +19,7 @@
   
       bb0: {
           StorageLive(_1);                 // scope 0 at $DIR/const_prop_miscompile.rs:+1:9: +1:14
--         _1 = (const 1_i32,);             // scope 0 at $DIR/const_prop_miscompile.rs:+1:17: +1:21
-+         _1 = const (1_i32,);             // scope 0 at $DIR/const_prop_miscompile.rs:+1:17: +1:21
+          _1 = (const 1_i32,);             // scope 0 at $DIR/const_prop_miscompile.rs:+1:17: +1:21
           StorageLive(_2);                 // scope 1 at $DIR/const_prop_miscompile.rs:+2:5: +4:6
           StorageLive(_3);                 // scope 2 at $DIR/const_prop_miscompile.rs:+3:10: +3:22
           _3 = &raw mut (_1.0: i32);       // scope 2 at $DIR/const_prop_miscompile.rs:+3:10: +3:22
diff --git a/tests/mir-opt/const_prop_miscompile.foo.ConstProp.diff b/tests/mir-opt/const_prop_miscompile.foo.ConstProp.diff
index b54c10a140f..42ddc2a5620 100644
--- a/tests/mir-opt/const_prop_miscompile.foo.ConstProp.diff
+++ b/tests/mir-opt/const_prop_miscompile.foo.ConstProp.diff
@@ -16,8 +16,7 @@
   
       bb0: {
           StorageLive(_1);                 // scope 0 at $DIR/const_prop_miscompile.rs:+1:9: +1:14
--         _1 = (const 1_i32,);             // scope 0 at $DIR/const_prop_miscompile.rs:+1:17: +1:21
-+         _1 = const (1_i32,);             // scope 0 at $DIR/const_prop_miscompile.rs:+1:17: +1:21
+          _1 = (const 1_i32,);             // scope 0 at $DIR/const_prop_miscompile.rs:+1:17: +1:21
           StorageLive(_2);                 // scope 1 at $DIR/const_prop_miscompile.rs:+2:6: +2:14
           _2 = &mut (_1.0: i32);           // scope 1 at $DIR/const_prop_miscompile.rs:+2:6: +2:14
           (*_2) = const 5_i32;             // scope 1 at $DIR/const_prop_miscompile.rs:+2:5: +2:18
diff --git a/tests/mir-opt/copy-prop/borrowed_local.f.CopyProp.diff b/tests/mir-opt/copy-prop/borrowed_local.f.CopyProp.diff
index 2a0bff57db9..51707e71661 100644
--- a/tests/mir-opt/copy-prop/borrowed_local.f.CopyProp.diff
+++ b/tests/mir-opt/copy-prop/borrowed_local.f.CopyProp.diff
@@ -20,8 +20,7 @@
       }
   
       bb1: {
--         _0 = opaque::<u8>(_3) -> bb2;    // scope 0 at $DIR/borrowed_local.rs:+12:13: +12:38
-+         _0 = opaque::<u8>(_1) -> bb2;    // scope 0 at $DIR/borrowed_local.rs:+12:13: +12:38
+          _0 = opaque::<u8>(_3) -> bb2;    // scope 0 at $DIR/borrowed_local.rs:+12:13: +12:38
                                            // mir::Constant
                                            // + span: $DIR/borrowed_local.rs:28:28: 28:34
                                            // + literal: Const { ty: fn(u8) -> bool {opaque::<u8>}, val: Value(<ZST>) }
diff --git a/tests/mir-opt/copy-prop/copy_propagation_arg.arg_src.CopyProp.diff b/tests/mir-opt/copy-prop/copy_propagation_arg.arg_src.CopyProp.diff
index 69acebf7642..1c7b6494d6d 100644
--- a/tests/mir-opt/copy-prop/copy_propagation_arg.arg_src.CopyProp.diff
+++ b/tests/mir-opt/copy-prop/copy_propagation_arg.arg_src.CopyProp.diff
@@ -6,15 +6,17 @@
       let mut _0: i32;                     // return place in scope 0 at $DIR/copy_propagation_arg.rs:+0:27: +0:30
       let _2: i32;                         // in scope 0 at $DIR/copy_propagation_arg.rs:+1:9: +1:10
       scope 1 {
-          debug y => _2;                   // in scope 1 at $DIR/copy_propagation_arg.rs:+1:9: +1:10
+-         debug y => _2;                   // in scope 1 at $DIR/copy_propagation_arg.rs:+1:9: +1:10
++         debug y => _0;                   // in scope 1 at $DIR/copy_propagation_arg.rs:+1:9: +1:10
       }
   
       bb0: {
-          StorageLive(_2);                 // scope 0 at $DIR/copy_propagation_arg.rs:+1:9: +1:10
-          _2 = _1;                         // scope 0 at $DIR/copy_propagation_arg.rs:+1:13: +1:14
+-         StorageLive(_2);                 // scope 0 at $DIR/copy_propagation_arg.rs:+1:9: +1:10
+-         _2 = _1;                         // scope 0 at $DIR/copy_propagation_arg.rs:+1:13: +1:14
++         _0 = _1;                         // scope 0 at $DIR/copy_propagation_arg.rs:+1:13: +1:14
           _1 = const 123_i32;              // scope 1 at $DIR/copy_propagation_arg.rs:+2:5: +2:12
-          _0 = _2;                         // scope 1 at $DIR/copy_propagation_arg.rs:+3:5: +3:6
-          StorageDead(_2);                 // scope 0 at $DIR/copy_propagation_arg.rs:+4:1: +4:2
+-         _0 = _2;                         // scope 1 at $DIR/copy_propagation_arg.rs:+3:5: +3:6
+-         StorageDead(_2);                 // scope 0 at $DIR/copy_propagation_arg.rs:+4:1: +4:2
           return;                          // scope 0 at $DIR/copy_propagation_arg.rs:+4:2: +4:2
       }
   }
diff --git a/tests/mir-opt/copy-prop/partial_init.main.CopyProp.diff b/tests/mir-opt/copy-prop/partial_init.main.CopyProp.diff
new file mode 100644
index 00000000000..5866439055e
--- /dev/null
+++ b/tests/mir-opt/copy-prop/partial_init.main.CopyProp.diff
@@ -0,0 +1,13 @@
+- // MIR for `main` before CopyProp
++ // MIR for `main` after CopyProp
+  
+  fn main() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/partial_init.rs:+0:15: +0:15
+      let mut _1: (isize,);                // in scope 0 at $SRC_DIR/core/src/intrinsics/mir.rs:LL:COL
+  
+      bb0: {
+          (_1.0: isize) = const 1_isize;   // scope 0 at $DIR/partial_init.rs:+4:13: +4:20
+          return;                          // scope 0 at $DIR/partial_init.rs:+5:13: +5:21
+      }
+  }
+  
diff --git a/tests/mir-opt/copy-prop/partial_init.rs b/tests/mir-opt/copy-prop/partial_init.rs
new file mode 100644
index 00000000000..f5ab9974f71
--- /dev/null
+++ b/tests/mir-opt/copy-prop/partial_init.rs
@@ -0,0 +1,18 @@
+// unit-test: CopyProp
+// Verify that we do not ICE on partial initializations.
+
+#![feature(custom_mir, core_intrinsics)]
+extern crate core;
+use core::intrinsics::mir::*;
+
+// EMIT_MIR partial_init.main.CopyProp.diff
+#[custom_mir(dialect = "runtime", phase = "post-cleanup")]
+pub fn main() {
+    mir! (
+        let x: (isize, );
+        {
+            x.0 = 1;
+            Return()
+        }
+    )
+}
diff --git a/tests/mir-opt/dead-store-elimination/place_mention.main.DeadStoreElimination.diff b/tests/mir-opt/dead-store-elimination/place_mention.main.DeadStoreElimination.diff
new file mode 100644
index 00000000000..761c074ed94
--- /dev/null
+++ b/tests/mir-opt/dead-store-elimination/place_mention.main.DeadStoreElimination.diff
@@ -0,0 +1,25 @@
+- // MIR for `main` before DeadStoreElimination
++ // MIR for `main` after DeadStoreElimination
+  
+  fn main() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/place_mention.rs:+0:11: +0:11
+      let mut _1: (&str, &str);            // in scope 0 at $DIR/place_mention.rs:+3:18: +3:36
+      scope 1 {
+      }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/place_mention.rs:+3:18: +3:36
+          _1 = (const "Hello", const "World"); // scope 0 at $DIR/place_mention.rs:+3:18: +3:36
+                                           // mir::Constant
+                                           // + span: $DIR/place_mention.rs:8:19: 8:26
+                                           // + literal: Const { ty: &str, val: Value(Slice(..)) }
+                                           // mir::Constant
+                                           // + span: $DIR/place_mention.rs:8:28: 8:35
+                                           // + literal: Const { ty: &str, val: Value(Slice(..)) }
+          PlaceMention(_1);                // scope 0 at $DIR/place_mention.rs:+3:18: +3:36
+          StorageDead(_1);                 // scope 0 at $DIR/place_mention.rs:+3:36: +3:37
+          _0 = const ();                   // scope 0 at $DIR/place_mention.rs:+0:11: +4:2
+          return;                          // scope 0 at $DIR/place_mention.rs:+4:2: +4:2
+      }
+  }
+  
diff --git a/tests/mir-opt/dead-store-elimination/place_mention.rs b/tests/mir-opt/dead-store-elimination/place_mention.rs
new file mode 100644
index 00000000000..59dc74454a4
--- /dev/null
+++ b/tests/mir-opt/dead-store-elimination/place_mention.rs
@@ -0,0 +1,9 @@
+// unit-test: DeadStoreElimination
+// compile-flags: -Zmir-keep-place-mention
+
+// EMIT_MIR place_mention.main.DeadStoreElimination.diff
+fn main() {
+    // Verify that we account for the `PlaceMention` statement as a use of the tuple,
+    // and don't remove it as a dead store.
+    let (_, _) = ("Hello", "World");
+}
diff --git a/tests/mir-opt/dont_yeet_assert.generic.InstCombine.diff b/tests/mir-opt/dont_yeet_assert.generic.InstSimplify.diff
index c0fc1fb1df3..cadf05152a4 100644
--- a/tests/mir-opt/dont_yeet_assert.generic.InstCombine.diff
+++ b/tests/mir-opt/dont_yeet_assert.generic.InstSimplify.diff
@@ -1,5 +1,5 @@
-- // MIR for `generic` before InstCombine
-+ // MIR for `generic` after InstCombine
+- // MIR for `generic` before InstSimplify
++ // MIR for `generic` after InstSimplify
   
   fn generic() -> () {
       let mut _0: ();                      // return place in scope 0 at $DIR/dont_yeet_assert.rs:+0:21: +0:21
diff --git a/tests/mir-opt/dont_yeet_assert.rs b/tests/mir-opt/dont_yeet_assert.rs
index 7cec761eaba..38cc5a293e8 100644
--- a/tests/mir-opt/dont_yeet_assert.rs
+++ b/tests/mir-opt/dont_yeet_assert.rs
@@ -1,11 +1,11 @@
 // compile-flags: --crate-type=lib
-// unit-test: InstCombine
+// unit-test: InstSimplify
 
 #![feature(core_intrinsics)]
 
 // Want to make sure this assertion isn't compiled away in generic code.
 
-// EMIT_MIR dont_yeet_assert.generic.InstCombine.diff
+// EMIT_MIR dont_yeet_assert.generic.InstSimplify.diff
 pub fn generic<T>() {
     core::intrinsics::assert_mem_uninitialized_valid::<&T>();
 }
diff --git a/tests/mir-opt/equal_true.opt.InstCombine.diff b/tests/mir-opt/equal_true.opt.InstSimplify.diff
index 8b542a7c19d..4ef4132008e 100644
--- a/tests/mir-opt/equal_true.opt.InstCombine.diff
+++ b/tests/mir-opt/equal_true.opt.InstSimplify.diff
@@ -1,5 +1,5 @@
-- // MIR for `opt` before InstCombine
-+ // MIR for `opt` after InstCombine
+- // MIR for `opt` before InstSimplify
++ // MIR for `opt` after InstSimplify
   
   fn opt(_1: bool) -> i32 {
       debug x => _1;                       // in scope 0 at $DIR/equal_true.rs:+0:8: +0:9
diff --git a/tests/mir-opt/equal_true.rs b/tests/mir-opt/equal_true.rs
index 717d10c6d76..fbb5d8d37db 100644
--- a/tests/mir-opt/equal_true.rs
+++ b/tests/mir-opt/equal_true.rs
@@ -1,6 +1,6 @@
-// unit-test InstCombine
+// unit-test InstSimplify
 
-// EMIT_MIR equal_true.opt.InstCombine.diff
+// EMIT_MIR equal_true.opt.InstSimplify.diff
 
 fn opt(x: bool) -> i32 {
     if x == true { 0 } else { 1 }
diff --git a/tests/mir-opt/instcombine_duplicate_switch_targets.assert_zero.InstCombine.diff b/tests/mir-opt/instsimplify_duplicate_switch_targets.assert_zero.InstSimplify.diff
index e04079453d2..04ba8dd8e4d 100644
--- a/tests/mir-opt/instcombine_duplicate_switch_targets.assert_zero.InstCombine.diff
+++ b/tests/mir-opt/instsimplify_duplicate_switch_targets.assert_zero.InstSimplify.diff
@@ -1,21 +1,21 @@
-- // MIR for `assert_zero` before InstCombine
-+ // MIR for `assert_zero` after InstCombine
+- // MIR for `assert_zero` before InstSimplify
++ // MIR for `assert_zero` after InstSimplify
   
   fn assert_zero(_1: u8) -> u8 {
-      let mut _0: u8;                      // return place in scope 0 at $DIR/instcombine_duplicate_switch_targets.rs:+0:37: +0:39
+      let mut _0: u8;                      // return place in scope 0 at $DIR/instsimplify_duplicate_switch_targets.rs:+0:37: +0:39
   
       bb0: {
--         switchInt(_1) -> [0: bb2, 1: bb1, otherwise: bb1]; // scope 0 at $DIR/instcombine_duplicate_switch_targets.rs:+3:13: +7:14
-+         switchInt(_1) -> [0: bb2, otherwise: bb1]; // scope 0 at $DIR/instcombine_duplicate_switch_targets.rs:+3:13: +7:14
+-         switchInt(_1) -> [0: bb2, 1: bb1, otherwise: bb1]; // scope 0 at $DIR/instsimplify_duplicate_switch_targets.rs:+3:13: +7:14
++         switchInt(_1) -> [0: bb2, otherwise: bb1]; // scope 0 at $DIR/instsimplify_duplicate_switch_targets.rs:+3:13: +7:14
       }
   
       bb1: {
-          unreachable;                     // scope 0 at $DIR/instcombine_duplicate_switch_targets.rs:+10:13: +10:26
+          unreachable;                     // scope 0 at $DIR/instsimplify_duplicate_switch_targets.rs:+10:13: +10:26
       }
   
       bb2: {
-          _0 = _1;                         // scope 0 at $DIR/instcombine_duplicate_switch_targets.rs:+13:13: +13:20
-          return;                          // scope 0 at $DIR/instcombine_duplicate_switch_targets.rs:+14:13: +14:21
+          _0 = _1;                         // scope 0 at $DIR/instsimplify_duplicate_switch_targets.rs:+13:13: +13:20
+          return;                          // scope 0 at $DIR/instsimplify_duplicate_switch_targets.rs:+14:13: +14:21
       }
   }
   
diff --git a/tests/mir-opt/instcombine_duplicate_switch_targets.rs b/tests/mir-opt/instsimplify_duplicate_switch_targets.rs
index ef3b487afa3..3e280a40fda 100644
--- a/tests/mir-opt/instcombine_duplicate_switch_targets.rs
+++ b/tests/mir-opt/instsimplify_duplicate_switch_targets.rs
@@ -3,9 +3,9 @@
 
 use std::intrinsics::mir::*;
 
-// unit-test: InstCombine
+// unit-test: InstSimplify
 
-// EMIT_MIR instcombine_duplicate_switch_targets.assert_zero.InstCombine.diff
+// EMIT_MIR instsimplify_duplicate_switch_targets.assert_zero.InstSimplify.diff
 #[custom_mir(dialect = "runtime", phase = "post-cleanup")]
 pub unsafe fn assert_zero(x: u8) -> u8 {
     mir!(
diff --git a/tests/mir-opt/intrinsic_asserts.generic.InstCombine.diff b/tests/mir-opt/intrinsic_asserts.generic.InstSimplify.diff
index 09fc145e734..a59f4a43aed 100644
--- a/tests/mir-opt/intrinsic_asserts.generic.InstCombine.diff
+++ b/tests/mir-opt/intrinsic_asserts.generic.InstSimplify.diff
@@ -1,5 +1,5 @@
-- // MIR for `generic` before InstCombine
-+ // MIR for `generic` after InstCombine
+- // MIR for `generic` before InstSimplify
++ // MIR for `generic` after InstSimplify
   
   fn generic() -> () {
       let mut _0: ();                      // return place in scope 0 at $DIR/intrinsic_asserts.rs:+0:21: +0:21
diff --git a/tests/mir-opt/intrinsic_asserts.panics.InstCombine.diff b/tests/mir-opt/intrinsic_asserts.panics.InstSimplify.diff
index c52174ef5ea..195e8bd4eae 100644
--- a/tests/mir-opt/intrinsic_asserts.panics.InstCombine.diff
+++ b/tests/mir-opt/intrinsic_asserts.panics.InstSimplify.diff
@@ -1,5 +1,5 @@
-- // MIR for `panics` before InstCombine
-+ // MIR for `panics` after InstCombine
+- // MIR for `panics` before InstSimplify
++ // MIR for `panics` after InstSimplify
   
   fn panics() -> () {
       let mut _0: ();                      // return place in scope 0 at $DIR/intrinsic_asserts.rs:+0:17: +0:17
diff --git a/tests/mir-opt/intrinsic_asserts.removable.InstCombine.diff b/tests/mir-opt/intrinsic_asserts.removable.InstSimplify.diff
index d059d47ee58..a4a65074caa 100644
--- a/tests/mir-opt/intrinsic_asserts.removable.InstCombine.diff
+++ b/tests/mir-opt/intrinsic_asserts.removable.InstSimplify.diff
@@ -1,5 +1,5 @@
-- // MIR for `removable` before InstCombine
-+ // MIR for `removable` after InstCombine
+- // MIR for `removable` before InstSimplify
++ // MIR for `removable` after InstSimplify
   
   fn removable() -> () {
       let mut _0: ();                      // return place in scope 0 at $DIR/intrinsic_asserts.rs:+0:20: +0:20
diff --git a/tests/mir-opt/intrinsic_asserts.rs b/tests/mir-opt/intrinsic_asserts.rs
index 8fb99cdf6e0..302d4bda188 100644
--- a/tests/mir-opt/intrinsic_asserts.rs
+++ b/tests/mir-opt/intrinsic_asserts.rs
@@ -2,7 +2,7 @@
 #![feature(core_intrinsics)]
 
 // All these assertions pass, so all the intrinsic calls should be deleted.
-// EMIT_MIR intrinsic_asserts.removable.InstCombine.diff
+// EMIT_MIR intrinsic_asserts.removable.InstSimplify.diff
 pub fn removable() {
     core::intrinsics::assert_inhabited::<()>();
     core::intrinsics::assert_zero_valid::<u8>();
@@ -12,7 +12,7 @@ pub fn removable() {
 enum Never {}
 
 // These assertions all diverge, so their target blocks should become None.
-// EMIT_MIR intrinsic_asserts.panics.InstCombine.diff
+// EMIT_MIR intrinsic_asserts.panics.InstSimplify.diff
 pub fn panics() {
     core::intrinsics::assert_inhabited::<Never>();
     core::intrinsics::assert_zero_valid::<&u8>();
@@ -20,7 +20,7 @@ pub fn panics() {
 }
 
 // Whether or not these asserts pass isn't known, so they shouldn't be modified.
-// EMIT_MIR intrinsic_asserts.generic.InstCombine.diff
+// EMIT_MIR intrinsic_asserts.generic.InstSimplify.diff
 pub fn generic<T>() {
     core::intrinsics::assert_inhabited::<T>();
     core::intrinsics::assert_zero_valid::<T>();
diff --git a/tests/mir-opt/issue_76432.test.SimplifyComparisonIntegral.diff b/tests/mir-opt/issue_76432.test.SimplifyComparisonIntegral.diff
index abb89b91dd3..73b9ea46c44 100644
--- a/tests/mir-opt/issue_76432.test.SimplifyComparisonIntegral.diff
+++ b/tests/mir-opt/issue_76432.test.SimplifyComparisonIntegral.diff
@@ -21,9 +21,9 @@
           let _13: &T;                     // in scope 1 at $DIR/issue_76432.rs:+3:18: +3:24
           let _14: &T;                     // in scope 1 at $DIR/issue_76432.rs:+3:26: +3:32
           scope 2 {
-              debug v1 => _12;             // in scope 2 at $DIR/issue_76432.rs:+3:10: +3:16
-              debug v2 => _13;             // in scope 2 at $DIR/issue_76432.rs:+3:18: +3:24
-              debug v3 => _14;             // in scope 2 at $DIR/issue_76432.rs:+3:26: +3:32
+              debug v1 => &(*_2)[0 of 3];  // in scope 2 at $DIR/issue_76432.rs:+3:10: +3:16
+              debug v2 => &(*_2)[1 of 3];  // in scope 2 at $DIR/issue_76432.rs:+3:18: +3:24
+              debug v3 => &(*_2)[2 of 3];  // in scope 2 at $DIR/issue_76432.rs:+3:26: +3:32
           }
       }
   
@@ -52,15 +52,6 @@
       }
   
       bb2: {
-          StorageLive(_12);                // scope 1 at $DIR/issue_76432.rs:+3:10: +3:16
-          _12 = &(*_2)[0 of 3];            // scope 1 at $DIR/issue_76432.rs:+3:10: +3:16
-          StorageLive(_13);                // scope 1 at $DIR/issue_76432.rs:+3:18: +3:24
-          _13 = &(*_2)[1 of 3];            // scope 1 at $DIR/issue_76432.rs:+3:18: +3:24
-          StorageLive(_14);                // scope 1 at $DIR/issue_76432.rs:+3:26: +3:32
-          _14 = &(*_2)[2 of 3];            // scope 1 at $DIR/issue_76432.rs:+3:26: +3:32
-          StorageDead(_14);                // scope 1 at $DIR/issue_76432.rs:+3:84: +3:85
-          StorageDead(_13);                // scope 1 at $DIR/issue_76432.rs:+3:84: +3:85
-          StorageDead(_12);                // scope 1 at $DIR/issue_76432.rs:+3:84: +3:85
           StorageDead(_5);                 // scope 0 at $DIR/issue_76432.rs:+6:1: +6:2
           StorageDead(_2);                 // scope 0 at $DIR/issue_76432.rs:+6:1: +6:2
           return;                          // scope 0 at $DIR/issue_76432.rs:+6:2: +6:2
diff --git a/tests/mir-opt/issue_78192.f.InstCombine.diff b/tests/mir-opt/issue_78192.f.InstSimplify.diff
index 116ca304c99..914d7ceb29a 100644
--- a/tests/mir-opt/issue_78192.f.InstCombine.diff
+++ b/tests/mir-opt/issue_78192.f.InstSimplify.diff
@@ -1,5 +1,5 @@
-- // MIR for `f` before InstCombine
-+ // MIR for `f` after InstCombine
+- // MIR for `f` before InstSimplify
++ // MIR for `f` after InstSimplify
   
   fn f(_1: &T) -> *const T {
       debug a => _1;                       // in scope 0 at $DIR/issue_78192.rs:+0:13: +0:14
diff --git a/tests/mir-opt/issue_78192.rs b/tests/mir-opt/issue_78192.rs
index 39f665402b0..95142a3e463 100644
--- a/tests/mir-opt/issue_78192.rs
+++ b/tests/mir-opt/issue_78192.rs
@@ -8,4 +8,4 @@ fn main() {
     f(&2);
 }
 
-// EMIT_MIR issue_78192.f.InstCombine.diff
+// EMIT_MIR issue_78192.f.InstSimplify.diff
diff --git a/tests/mir-opt/issue_99325.main.built.after.mir b/tests/mir-opt/issue_99325.main.built.after.mir
index f0c9ef419bd..0424ce3abeb 100644
--- a/tests/mir-opt/issue_99325.main.built.after.mir
+++ b/tests/mir-opt/issue_99325.main.built.after.mir
@@ -1,8 +1,8 @@
 // MIR for `main` after built
 
 | User Type Annotations
-| 0: user_ty: Canonical { value: TypeOf(DefId(0:3 ~ issue_99325[22bb]::function_with_bytes), UserSubsts { substs: [Const { ty: &'static [u8; 4], kind: Value(Branch([Leaf(0x41), Leaf(0x41), Leaf(0x41), Leaf(0x41)])) }], user_self_ty: None }), max_universe: U0, variables: [] }, span: $DIR/issue_99325.rs:10:16: 10:46, inferred_ty: fn() -> &'static [u8] {function_with_bytes::<&*b"AAAA">}
-| 1: user_ty: Canonical { value: TypeOf(DefId(0:3 ~ issue_99325[22bb]::function_with_bytes), UserSubsts { substs: [Const { ty: &'static [u8; 4], kind: Unevaluated(UnevaluatedConst { def: DefId(0:8 ~ issue_99325[22bb]::main::{constant#1}), substs: [] }) }], user_self_ty: None }), max_universe: U0, variables: [] }, span: $DIR/issue_99325.rs:11:16: 11:68, inferred_ty: fn() -> &'static [u8] {function_with_bytes::<&*b"AAAA">}
+| 0: user_ty: Canonical { value: TypeOf(DefId(0:3 ~ issue_99325[22bb]::function_with_bytes), UserSubsts { substs: [Const { ty: &'static [u8; 4], kind: Branch([Leaf(0x41), Leaf(0x41), Leaf(0x41), Leaf(0x41)]) }], user_self_ty: None }), max_universe: U0, variables: [] }, span: $DIR/issue_99325.rs:10:16: 10:46, inferred_ty: fn() -> &'static [u8] {function_with_bytes::<&*b"AAAA">}
+| 1: user_ty: Canonical { value: TypeOf(DefId(0:3 ~ issue_99325[22bb]::function_with_bytes), UserSubsts { substs: [Const { ty: &'static [u8; 4], kind: Unevaluated([], DefId(0:8 ~ issue_99325[22bb]::main::{constant#1})) }], user_self_ty: None }), max_universe: U0, variables: [] }, span: $DIR/issue_99325.rs:11:16: 11:68, inferred_ty: fn() -> &'static [u8] {function_with_bytes::<&*b"AAAA">}
 |
 fn main() -> () {
     let mut _0: ();                      // return place in scope 0 at $DIR/issue_99325.rs:+0:15: +0:15
diff --git a/tests/mir-opt/lower_intrinsics.option_payload.LowerIntrinsics.diff b/tests/mir-opt/lower_intrinsics.option_payload.LowerIntrinsics.diff
index 93863fca344..b022e2ba42b 100644
--- a/tests/mir-opt/lower_intrinsics.option_payload.LowerIntrinsics.diff
+++ b/tests/mir-opt/lower_intrinsics.option_payload.LowerIntrinsics.diff
@@ -24,7 +24,7 @@
           _4 = &raw const (*_1);           // scope 1 at $DIR/lower_intrinsics.rs:+2:55: +2:56
 -         _3 = option_payload_ptr::<usize>(move _4) -> [return: bb1, unwind unreachable]; // scope 1 at $DIR/lower_intrinsics.rs:+2:18: +2:57
 -                                          // mir::Constant
--                                          // + span: $DIR/lower_intrinsics.rs:132:18: 132:54
+-                                          // + span: $DIR/lower_intrinsics.rs:137:18: 137:54
 -                                          // + literal: Const { ty: unsafe extern "rust-intrinsic" fn(*const Option<usize>) -> *const usize {option_payload_ptr::<usize>}, val: Value(<ZST>) }
 +         _3 = &raw const (((*_4) as Some).0: usize); // scope 1 at $DIR/lower_intrinsics.rs:+2:18: +2:57
 +         goto -> bb1;                     // scope 1 at $DIR/lower_intrinsics.rs:+2:18: +2:57
@@ -37,7 +37,7 @@
           _6 = &raw const (*_2);           // scope 2 at $DIR/lower_intrinsics.rs:+3:55: +3:56
 -         _5 = option_payload_ptr::<String>(move _6) -> [return: bb2, unwind unreachable]; // scope 2 at $DIR/lower_intrinsics.rs:+3:18: +3:57
 -                                          // mir::Constant
--                                          // + span: $DIR/lower_intrinsics.rs:133:18: 133:54
+-                                          // + span: $DIR/lower_intrinsics.rs:138:18: 138:54
 -                                          // + literal: Const { ty: unsafe extern "rust-intrinsic" fn(*const Option<String>) -> *const String {option_payload_ptr::<String>}, val: Value(<ZST>) }
 +         _5 = &raw const (((*_6) as Some).0: std::string::String); // scope 2 at $DIR/lower_intrinsics.rs:+3:18: +3:57
 +         goto -> bb2;                     // scope 2 at $DIR/lower_intrinsics.rs:+3:18: +3:57
diff --git a/tests/mir-opt/lower_intrinsics.ptr_offset.LowerIntrinsics.diff b/tests/mir-opt/lower_intrinsics.ptr_offset.LowerIntrinsics.diff
index 37f1995a53a..60a1dd0ba7d 100644
--- a/tests/mir-opt/lower_intrinsics.ptr_offset.LowerIntrinsics.diff
+++ b/tests/mir-opt/lower_intrinsics.ptr_offset.LowerIntrinsics.diff
@@ -15,7 +15,7 @@
           _4 = _2;                         // scope 0 at $DIR/lower_intrinsics.rs:+1:33: +1:34
 -         _0 = offset::<*const i32, isize>(move _3, move _4) -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/lower_intrinsics.rs:+1:5: +1:35
 -                                          // mir::Constant
--                                          // + span: $DIR/lower_intrinsics.rs:139:5: 139:29
+-                                          // + span: $DIR/lower_intrinsics.rs:144:5: 144:29
 -                                          // + literal: Const { ty: unsafe extern "rust-intrinsic" fn(*const i32, isize) -> *const i32 {offset::<*const i32, isize>}, val: Value(<ZST>) }
 +         _0 = Offset(move _3, move _4);   // scope 0 at $DIR/lower_intrinsics.rs:+1:5: +1:35
 +         goto -> bb1;                     // scope 0 at $DIR/lower_intrinsics.rs:+1:5: +1:35
diff --git a/tests/mir-opt/lower_intrinsics.rs b/tests/mir-opt/lower_intrinsics.rs
index 2b1e67be2a9..0ca88a42e3f 100644
--- a/tests/mir-opt/lower_intrinsics.rs
+++ b/tests/mir-opt/lower_intrinsics.rs
@@ -124,6 +124,11 @@ pub fn read_via_copy_uninhabited(r: &Never) -> Never {
     unsafe { core::intrinsics::read_via_copy(r) }
 }
 
+// EMIT_MIR lower_intrinsics.write_via_move_string.LowerIntrinsics.diff
+pub fn write_via_move_string(r: &mut String, v: String) {
+    unsafe { core::intrinsics::write_via_move(r, v) }
+}
+
 pub enum Never {}
 
 // EMIT_MIR lower_intrinsics.option_payload.LowerIntrinsics.diff
diff --git a/tests/mir-opt/lower_intrinsics.wrapping.LowerIntrinsics.diff b/tests/mir-opt/lower_intrinsics.wrapping.LowerIntrinsics.diff
index 0bfb34acac2..217f27efe5c 100644
--- a/tests/mir-opt/lower_intrinsics.wrapping.LowerIntrinsics.diff
+++ b/tests/mir-opt/lower_intrinsics.wrapping.LowerIntrinsics.diff
@@ -30,10 +30,10 @@
           _4 = _1;                         // scope 0 at $DIR/lower_intrinsics.rs:+1:45: +1:46
           StorageLive(_5);                 // scope 0 at $DIR/lower_intrinsics.rs:+1:48: +1:49
           _5 = _2;                         // scope 0 at $DIR/lower_intrinsics.rs:+1:48: +1:49
--         _3 = wrapping_add::<i32>(move _4, move _5) -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/lower_intrinsics.rs:+1:14: +1:50
+-         _3 = std::intrinsics::wrapping_add::<i32>(move _4, move _5) -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/lower_intrinsics.rs:+1:14: +1:50
 -                                          // mir::Constant
 -                                          // + span: $DIR/lower_intrinsics.rs:9:14: 9:44
--                                          // + literal: Const { ty: extern "rust-intrinsic" fn(i32, i32) -> i32 {wrapping_add::<i32>}, val: Value(<ZST>) }
+-                                          // + literal: Const { ty: extern "rust-intrinsic" fn(i32, i32) -> i32 {std::intrinsics::wrapping_add::<i32>}, val: Value(<ZST>) }
 +         _3 = Add(move _4, move _5);      // scope 0 at $DIR/lower_intrinsics.rs:+1:14: +1:50
 +         goto -> bb1;                     // scope 0 at $DIR/lower_intrinsics.rs:+1:14: +1:50
       }
@@ -46,10 +46,10 @@
           _7 = _1;                         // scope 1 at $DIR/lower_intrinsics.rs:+2:45: +2:46
           StorageLive(_8);                 // scope 1 at $DIR/lower_intrinsics.rs:+2:48: +2:49
           _8 = _2;                         // scope 1 at $DIR/lower_intrinsics.rs:+2:48: +2:49
--         _6 = wrapping_sub::<i32>(move _7, move _8) -> [return: bb2, unwind unreachable]; // scope 1 at $DIR/lower_intrinsics.rs:+2:14: +2:50
+-         _6 = std::intrinsics::wrapping_sub::<i32>(move _7, move _8) -> [return: bb2, unwind unreachable]; // scope 1 at $DIR/lower_intrinsics.rs:+2:14: +2:50
 -                                          // mir::Constant
 -                                          // + span: $DIR/lower_intrinsics.rs:10:14: 10:44
--                                          // + literal: Const { ty: extern "rust-intrinsic" fn(i32, i32) -> i32 {wrapping_sub::<i32>}, val: Value(<ZST>) }
+-                                          // + literal: Const { ty: extern "rust-intrinsic" fn(i32, i32) -> i32 {std::intrinsics::wrapping_sub::<i32>}, val: Value(<ZST>) }
 +         _6 = Sub(move _7, move _8);      // scope 1 at $DIR/lower_intrinsics.rs:+2:14: +2:50
 +         goto -> bb2;                     // scope 1 at $DIR/lower_intrinsics.rs:+2:14: +2:50
       }
diff --git a/tests/mir-opt/lower_intrinsics.write_via_move_string.LowerIntrinsics.diff b/tests/mir-opt/lower_intrinsics.write_via_move_string.LowerIntrinsics.diff
new file mode 100644
index 00000000000..38d99f661dc
--- /dev/null
+++ b/tests/mir-opt/lower_intrinsics.write_via_move_string.LowerIntrinsics.diff
@@ -0,0 +1,36 @@
+- // MIR for `write_via_move_string` before LowerIntrinsics
++ // MIR for `write_via_move_string` after LowerIntrinsics
+  
+  fn write_via_move_string(_1: &mut String, _2: String) -> () {
+      debug r => _1;                       // in scope 0 at $DIR/lower_intrinsics.rs:+0:30: +0:31
+      debug v => _2;                       // in scope 0 at $DIR/lower_intrinsics.rs:+0:46: +0:47
+      let mut _0: ();                      // return place in scope 0 at $DIR/lower_intrinsics.rs:+0:57: +0:57
+      let mut _3: *mut std::string::String; // in scope 0 at $DIR/lower_intrinsics.rs:+1:47: +1:48
+      let mut _4: std::string::String;     // in scope 0 at $DIR/lower_intrinsics.rs:+1:50: +1:51
+      scope 1 {
+      }
+  
+      bb0: {
+          StorageLive(_3);                 // scope 1 at $DIR/lower_intrinsics.rs:+1:47: +1:48
+          _3 = &raw mut (*_1);             // scope 1 at $DIR/lower_intrinsics.rs:+1:47: +1:48
+          StorageLive(_4);                 // scope 1 at $DIR/lower_intrinsics.rs:+1:50: +1:51
+          _4 = move _2;                    // scope 1 at $DIR/lower_intrinsics.rs:+1:50: +1:51
+-         _0 = write_via_move::<String>(move _3, move _4) -> [return: bb1, unwind unreachable]; // scope 1 at $DIR/lower_intrinsics.rs:+1:14: +1:52
+-                                          // mir::Constant
+-                                          // + span: $DIR/lower_intrinsics.rs:129:14: 129:46
+-                                          // + literal: Const { ty: unsafe extern "rust-intrinsic" fn(*mut String, String) {write_via_move::<String>}, val: Value(<ZST>) }
++         (*_3) = move _4;                 // scope 1 at $DIR/lower_intrinsics.rs:+1:14: +1:52
++         goto -> bb1;                     // scope 1 at $DIR/lower_intrinsics.rs:+1:14: +1:52
+      }
+  
+      bb1: {
+          StorageDead(_4);                 // scope 1 at $DIR/lower_intrinsics.rs:+1:51: +1:52
+          StorageDead(_3);                 // scope 1 at $DIR/lower_intrinsics.rs:+1:51: +1:52
+          goto -> bb2;                     // scope 0 at $DIR/lower_intrinsics.rs:+2:1: +2:2
+      }
+  
+      bb2: {
+          return;                          // scope 0 at $DIR/lower_intrinsics.rs:+2:2: +2:2
+      }
+  }
+  
diff --git a/tests/mir-opt/nll/region_subtyping_basic.main.nll.0.32bit.mir b/tests/mir-opt/nll/region_subtyping_basic.main.nll.0.32bit.mir
index 71bdfcc5c49..c425f3cd506 100644
--- a/tests/mir-opt/nll/region_subtyping_basic.main.nll.0.32bit.mir
+++ b/tests/mir-opt/nll/region_subtyping_basic.main.nll.0.32bit.mir
@@ -22,7 +22,7 @@
 |
 fn main() -> () {
     let mut _0: ();                      // return place in scope 0 at $DIR/region_subtyping_basic.rs:+0:11: +0:11
-    let mut _1: [usize; Const(Value(Leaf(0x00000003)): usize)]; // in scope 0 at $DIR/region_subtyping_basic.rs:+1:9: +1:14
+    let mut _1: [usize; Const { ty: usize, kind: Leaf(0x00000003) }]; // in scope 0 at $DIR/region_subtyping_basic.rs:+1:9: +1:14
     let _3: usize;                       // in scope 0 at $DIR/region_subtyping_basic.rs:+2:16: +2:17
     let mut _4: usize;                   // in scope 0 at $DIR/region_subtyping_basic.rs:+2:14: +2:18
     let mut _5: bool;                    // in scope 0 at $DIR/region_subtyping_basic.rs:+2:14: +2:18
diff --git a/tests/mir-opt/nll/region_subtyping_basic.main.nll.0.64bit.mir b/tests/mir-opt/nll/region_subtyping_basic.main.nll.0.64bit.mir
index 9fa8609b751..22ad24f8d77 100644
--- a/tests/mir-opt/nll/region_subtyping_basic.main.nll.0.64bit.mir
+++ b/tests/mir-opt/nll/region_subtyping_basic.main.nll.0.64bit.mir
@@ -22,7 +22,7 @@
 |
 fn main() -> () {
     let mut _0: ();                      // return place in scope 0 at $DIR/region_subtyping_basic.rs:+0:11: +0:11
-    let mut _1: [usize; Const(Value(Leaf(0x0000000000000003)): usize)]; // in scope 0 at $DIR/region_subtyping_basic.rs:+1:9: +1:14
+    let mut _1: [usize; Const { ty: usize, kind: Leaf(0x0000000000000003) }]; // in scope 0 at $DIR/region_subtyping_basic.rs:+1:9: +1:14
     let _3: usize;                       // in scope 0 at $DIR/region_subtyping_basic.rs:+2:16: +2:17
     let mut _4: usize;                   // in scope 0 at $DIR/region_subtyping_basic.rs:+2:14: +2:18
     let mut _5: bool;                    // in scope 0 at $DIR/region_subtyping_basic.rs:+2:14: +2:18
diff --git a/tests/mir-opt/not_equal_false.opt.InstCombine.diff b/tests/mir-opt/not_equal_false.opt.InstSimplify.diff
index b558c35ac1e..8e7776a0bbc 100644
--- a/tests/mir-opt/not_equal_false.opt.InstCombine.diff
+++ b/tests/mir-opt/not_equal_false.opt.InstSimplify.diff
@@ -1,5 +1,5 @@
-- // MIR for `opt` before InstCombine
-+ // MIR for `opt` after InstCombine
+- // MIR for `opt` before InstSimplify
++ // MIR for `opt` after InstSimplify
   
   fn opt(_1: bool) -> u32 {
       debug x => _1;                       // in scope 0 at $DIR/not_equal_false.rs:+0:8: +0:9
diff --git a/tests/mir-opt/not_equal_false.rs b/tests/mir-opt/not_equal_false.rs
index 2ae03da40f8..e0560732900 100644
--- a/tests/mir-opt/not_equal_false.rs
+++ b/tests/mir-opt/not_equal_false.rs
@@ -1,5 +1,5 @@
-// unit-test: InstCombine
-// EMIT_MIR not_equal_false.opt.InstCombine.diff
+// unit-test: InstSimplify
+// EMIT_MIR not_equal_false.opt.InstSimplify.diff
 
 fn opt(x: bool) -> u32 {
     if x != false { 0 } else { 1 }
diff --git a/tests/mir-opt/nrvo_miscompile_111005.rs b/tests/mir-opt/nrvo_miscompile_111005.rs
new file mode 100644
index 00000000000..a9f391b79d5
--- /dev/null
+++ b/tests/mir-opt/nrvo_miscompile_111005.rs
@@ -0,0 +1,22 @@
+// This is a miscompilation, #111005 to track
+
+// unit-test: RenameReturnPlace
+
+#![feature(custom_mir, core_intrinsics)]
+extern crate core;
+use core::intrinsics::mir::*;
+
+// EMIT_MIR nrvo_miscompile_111005.wrong.RenameReturnPlace.diff
+#[custom_mir(dialect = "runtime", phase = "initial")]
+pub fn wrong(arg: char) -> char {
+    mir!({
+        let temp = arg;
+        RET = temp;
+        temp = 'b';
+        Return()
+    })
+}
+
+fn main() {
+    assert_eq!(wrong('a'), 'a');
+}
diff --git a/tests/mir-opt/nrvo_miscompile_111005.wrong.RenameReturnPlace.diff b/tests/mir-opt/nrvo_miscompile_111005.wrong.RenameReturnPlace.diff
new file mode 100644
index 00000000000..a0acb6e7e11
--- /dev/null
+++ b/tests/mir-opt/nrvo_miscompile_111005.wrong.RenameReturnPlace.diff
@@ -0,0 +1,18 @@
+- // MIR for `wrong` before RenameReturnPlace
++ // MIR for `wrong` after RenameReturnPlace
+  
+  fn wrong(_1: char) -> char {
+-     let mut _0: char;                    // return place in scope 0 at $DIR/nrvo_miscompile_111005.rs:+0:28: +0:32
++     let mut _0: char;                    // return place in scope 0 at $SRC_DIR/core/src/intrinsics/mir.rs:LL:COL
+      let mut _2: char;                    // in scope 0 at $SRC_DIR/core/src/intrinsics/mir.rs:LL:COL
+  
+      bb0: {
+-         _2 = _1;                         // scope 0 at $SRC_DIR/core/src/intrinsics/mir.rs:LL:COL
+-         _0 = _2;                         // scope 0 at $DIR/nrvo_miscompile_111005.rs:+3:9: +3:19
+-         _2 = const 'b';                  // scope 0 at $DIR/nrvo_miscompile_111005.rs:+4:9: +4:19
++         _0 = _1;                         // scope 0 at $SRC_DIR/core/src/intrinsics/mir.rs:LL:COL
++         _0 = const 'b';                  // scope 0 at $DIR/nrvo_miscompile_111005.rs:+4:9: +4:19
+          return;                          // scope 0 at $DIR/nrvo_miscompile_111005.rs:+5:9: +5:17
+      }
+  }
+  
diff --git a/tests/mir-opt/pre-codegen/mem_replace.manual_replace.PreCodegen.after.mir b/tests/mir-opt/pre-codegen/mem_replace.manual_replace.PreCodegen.after.mir
new file mode 100644
index 00000000000..1d23871029d
--- /dev/null
+++ b/tests/mir-opt/pre-codegen/mem_replace.manual_replace.PreCodegen.after.mir
@@ -0,0 +1,16 @@
+// MIR for `manual_replace` after PreCodegen
+
+fn manual_replace(_1: &mut u32, _2: u32) -> u32 {
+    debug r => _1;                       // in scope 0 at $DIR/mem_replace.rs:+0:23: +0:24
+    debug v => _2;                       // in scope 0 at $DIR/mem_replace.rs:+0:36: +0:37
+    let mut _0: u32;                     // return place in scope 0 at $DIR/mem_replace.rs:+0:47: +0:50
+    scope 1 {
+        debug temp => _0;                // in scope 1 at $DIR/mem_replace.rs:+1:9: +1:13
+    }
+
+    bb0: {
+        _0 = (*_1);                      // scope 0 at $DIR/mem_replace.rs:+1:16: +1:18
+        (*_1) = _2;                      // scope 1 at $DIR/mem_replace.rs:+2:5: +2:11
+        return;                          // scope 0 at $DIR/mem_replace.rs:+4:2: +4:2
+    }
+}
diff --git a/tests/mir-opt/pre-codegen/mem_replace.mem_replace.PreCodegen.after.mir b/tests/mir-opt/pre-codegen/mem_replace.mem_replace.PreCodegen.after.mir
new file mode 100644
index 00000000000..50e0538c133
--- /dev/null
+++ b/tests/mir-opt/pre-codegen/mem_replace.mem_replace.PreCodegen.after.mir
@@ -0,0 +1,53 @@
+// MIR for `mem_replace` after PreCodegen
+
+fn mem_replace(_1: &mut u32, _2: u32) -> u32 {
+    debug r => _1;                       // in scope 0 at $DIR/mem_replace.rs:+0:20: +0:21
+    debug v => _2;                       // in scope 0 at $DIR/mem_replace.rs:+0:33: +0:34
+    let mut _0: u32;                     // return place in scope 0 at $DIR/mem_replace.rs:+0:44: +0:47
+    scope 1 (inlined std::mem::replace::<u32>) { // at $DIR/mem_replace.rs:16:5: 16:28
+        debug dest => _1;                // in scope 1 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
+        debug src => _2;                 // in scope 1 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
+        let mut _3: *const u32;          // in scope 1 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
+        let mut _4: *mut u32;            // in scope 1 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
+        scope 2 {
+            scope 3 {
+                debug result => _0;      // in scope 3 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
+                scope 7 (inlined std::ptr::write::<u32>) { // at $SRC_DIR/core/src/mem/mod.rs:LL:COL
+                    debug dst => _4;     // in scope 7 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
+                    debug src => _2;     // in scope 7 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
+                    let mut _6: *mut u32; // in scope 7 at $SRC_DIR/core/src/intrinsics.rs:LL:COL
+                    scope 8 {
+                        scope 9 (inlined std::ptr::write::runtime::<u32>) { // at $SRC_DIR/core/src/intrinsics.rs:LL:COL
+                            debug dst => _6; // in scope 9 at $SRC_DIR/core/src/intrinsics.rs:LL:COL
+                        }
+                    }
+                }
+            }
+            scope 4 (inlined std::ptr::read::<u32>) { // at $SRC_DIR/core/src/mem/mod.rs:LL:COL
+                debug src => _3;         // in scope 4 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
+                let mut _5: *const u32;  // in scope 4 at $SRC_DIR/core/src/intrinsics.rs:LL:COL
+                scope 5 {
+                    scope 6 (inlined std::ptr::read::runtime::<u32>) { // at $SRC_DIR/core/src/intrinsics.rs:LL:COL
+                        debug src => _5; // in scope 6 at $SRC_DIR/core/src/intrinsics.rs:LL:COL
+                    }
+                }
+            }
+        }
+    }
+
+    bb0: {
+        StorageLive(_3);                 // scope 2 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
+        _3 = &raw const (*_1);           // scope 2 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
+        StorageLive(_5);                 // scope 2 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
+        _0 = (*_3);                      // scope 5 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
+        StorageDead(_5);                 // scope 2 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
+        StorageDead(_3);                 // scope 2 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
+        StorageLive(_4);                 // scope 3 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
+        _4 = &raw mut (*_1);             // scope 3 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
+        StorageLive(_6);                 // scope 3 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
+        (*_4) = _2;                      // scope 8 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
+        StorageDead(_6);                 // scope 3 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
+        StorageDead(_4);                 // scope 3 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
+        return;                          // scope 0 at $DIR/mem_replace.rs:+2:2: +2:2
+    }
+}
diff --git a/tests/mir-opt/pre-codegen/mem_replace.rs b/tests/mir-opt/pre-codegen/mem_replace.rs
new file mode 100644
index 00000000000..e5066c38b96
--- /dev/null
+++ b/tests/mir-opt/pre-codegen/mem_replace.rs
@@ -0,0 +1,17 @@
+// compile-flags: -O -C debuginfo=0 -Zmir-opt-level=2
+// only-64bit
+// ignore-debug
+
+#![crate_type = "lib"]
+
+// EMIT_MIR mem_replace.manual_replace.PreCodegen.after.mir
+pub fn manual_replace(r: &mut u32, v: u32) -> u32 {
+    let temp = *r;
+    *r = v;
+    temp
+}
+
+// EMIT_MIR mem_replace.mem_replace.PreCodegen.after.mir
+pub fn mem_replace(r: &mut u32, v: u32) -> u32 {
+    std::mem::replace(r, v)
+}
diff --git a/tests/mir-opt/pre-codegen/slice_index.slice_get_unchecked_mut_range.PreCodegen.after.mir b/tests/mir-opt/pre-codegen/slice_index.slice_get_unchecked_mut_range.PreCodegen.after.mir
index ea0a44cf3bf..7a10b929ebd 100644
--- a/tests/mir-opt/pre-codegen/slice_index.slice_get_unchecked_mut_range.PreCodegen.after.mir
+++ b/tests/mir-opt/pre-codegen/slice_index.slice_get_unchecked_mut_range.PreCodegen.after.mir
@@ -3,7 +3,7 @@
 fn slice_get_unchecked_mut_range(_1: &mut [u32], _2: std::ops::Range<usize>) -> &mut [u32] {
     debug slice => _1;                   // in scope 0 at $DIR/slice_index.rs:+0:45: +0:50
     debug index => _2;                   // in scope 0 at $DIR/slice_index.rs:+0:64: +0:69
-    let mut _0: &mut [u32];              // return place in scope 0 at $DIR/slice_index.rs:+1:5: +1:35
+    let mut _0: &mut [u32];              // return place in scope 0 at $DIR/slice_index.rs:+0:88: +0:98
     scope 1 (inlined core::slice::<impl [u32]>::get_unchecked_mut::<std::ops::Range<usize>>) { // at $DIR/slice_index.rs:26:11: 26:35
         debug self => _1;                // in scope 1 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
         debug index => _2;               // in scope 1 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
diff --git a/tests/mir-opt/pre-codegen/slice_index.slice_index_range.PreCodegen.after.mir b/tests/mir-opt/pre-codegen/slice_index.slice_index_range.PreCodegen.after.mir
index 35dd973b55f..dcf79a4a4e7 100644
--- a/tests/mir-opt/pre-codegen/slice_index.slice_index_range.PreCodegen.after.mir
+++ b/tests/mir-opt/pre-codegen/slice_index.slice_index_range.PreCodegen.after.mir
@@ -3,15 +3,15 @@
 fn slice_index_range(_1: &[u32], _2: std::ops::Range<usize>) -> &[u32] {
     debug slice => _1;                   // in scope 0 at $DIR/slice_index.rs:+0:26: +0:31
     debug index => _2;                   // in scope 0 at $DIR/slice_index.rs:+0:41: +0:46
-    let mut _0: &[u32];                  // return place in scope 0 at $DIR/slice_index.rs:+1:5: +1:18
-    let _3: &[u32];                      // in scope 0 at $DIR/slice_index.rs:+1:6: +1:18
+    let mut _0: &[u32];                  // return place in scope 0 at $DIR/slice_index.rs:+0:65: +0:71
     scope 1 (inlined #[track_caller] core::slice::index::<impl Index<std::ops::Range<usize>> for [u32]>::index) { // at $DIR/slice_index.rs:21:6: 21:18
         debug self => _1;                // in scope 1 at $SRC_DIR/core/src/slice/index.rs:LL:COL
         debug index => _2;               // in scope 1 at $SRC_DIR/core/src/slice/index.rs:LL:COL
+        let _3: &[u32];                  // in scope 1 at $SRC_DIR/core/src/slice/index.rs:LL:COL
     }
 
     bb0: {
-        StorageLive(_3);                 // scope 0 at $DIR/slice_index.rs:+1:6: +1:18
+        StorageLive(_3);                 // scope 1 at $SRC_DIR/core/src/slice/index.rs:LL:COL
         _3 = <std::ops::Range<usize> as SliceIndex<[u32]>>::index(move _2, _1) -> bb1; // scope 1 at $SRC_DIR/core/src/slice/index.rs:LL:COL
                                          // mir::Constant
                                          // + span: $SRC_DIR/core/src/slice/index.rs:LL:COL
@@ -19,8 +19,8 @@ fn slice_index_range(_1: &[u32], _2: std::ops::Range<usize>) -> &[u32] {
     }
 
     bb1: {
-        _0 = _3;                         // scope 0 at $DIR/slice_index.rs:+1:5: +1:18
-        StorageDead(_3);                 // scope 0 at $DIR/slice_index.rs:+2:1: +2:2
+        _0 = _3;                         // scope 1 at $SRC_DIR/core/src/slice/index.rs:LL:COL
+        StorageDead(_3);                 // scope 1 at $SRC_DIR/core/src/slice/index.rs:LL:COL
         return;                          // scope 0 at $DIR/slice_index.rs:+2:2: +2:2
     }
 }
diff --git a/tests/mir-opt/pre-codegen/slice_iter.forward_loop.PreCodegen.after.mir b/tests/mir-opt/pre-codegen/slice_iter.forward_loop.PreCodegen.after.mir
index f27525bf3d9..0da7e5536ae 100644
--- a/tests/mir-opt/pre-codegen/slice_iter.forward_loop.PreCodegen.after.mir
+++ b/tests/mir-opt/pre-codegen/slice_iter.forward_loop.PreCodegen.after.mir
@@ -6,58 +6,120 @@ fn forward_loop(_1: &[T], _2: impl Fn(&T)) -> () {
     let mut _0: ();                      // return place in scope 0 at $DIR/slice_iter.rs:+0:60: +0:60
     let mut _3: std::slice::Iter<'_, T>; // in scope 0 at $DIR/slice_iter.rs:+1:14: +1:26
     let mut _4: std::slice::Iter<'_, T>; // in scope 0 at $DIR/slice_iter.rs:+1:14: +1:26
-    let mut _5: std::slice::Iter<'_, T>; // in scope 0 at $DIR/slice_iter.rs:+1:14: +1:26
-    let _6: ();                          // in scope 0 at $DIR/slice_iter.rs:+1:14: +1:26
-    let mut _7: std::option::Option<&T>; // in scope 0 at $DIR/slice_iter.rs:+1:14: +1:26
-    let mut _8: &mut std::slice::Iter<'_, T>; // in scope 0 at $DIR/slice_iter.rs:+1:14: +1:26
-    let mut _9: isize;                   // in scope 0 at $DIR/slice_iter.rs:+1:5: +3:6
-    let mut _11: &impl Fn(&T);           // in scope 0 at $DIR/slice_iter.rs:+2:9: +2:10
-    let mut _12: (&T,);                  // in scope 0 at $DIR/slice_iter.rs:+2:9: +2:13
+    let _5: ();                          // in scope 0 at $DIR/slice_iter.rs:+1:14: +1:26
+    let mut _6: std::option::Option<&T>; // in scope 0 at $DIR/slice_iter.rs:+1:14: +1:26
+    let mut _7: &mut std::slice::Iter<'_, T>; // in scope 0 at $DIR/slice_iter.rs:+1:14: +1:26
+    let mut _8: isize;                   // in scope 0 at $DIR/slice_iter.rs:+1:5: +3:6
+    let mut _10: &impl Fn(&T);           // in scope 0 at $DIR/slice_iter.rs:+2:9: +2:10
+    let mut _11: (&T,);                  // in scope 0 at $DIR/slice_iter.rs:+2:9: +2:13
     scope 1 {
-        debug iter => _5;                // in scope 1 at $DIR/slice_iter.rs:+1:14: +1:26
-        let _10: &T;                     // in scope 1 at $DIR/slice_iter.rs:+1:9: +1:10
+        debug iter => _4;                // in scope 1 at $DIR/slice_iter.rs:+1:14: +1:26
+        let _9: &T;                      // in scope 1 at $DIR/slice_iter.rs:+1:9: +1:10
         scope 2 {
-            debug x => _10;              // in scope 2 at $DIR/slice_iter.rs:+1:9: +1:10
+            debug x => _9;               // in scope 2 at $DIR/slice_iter.rs:+1:9: +1:10
         }
     }
     scope 3 (inlined core::slice::<impl [T]>::iter) { // at $DIR/slice_iter.rs:28:20: 28:26
         debug self => _1;                // in scope 3 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+        scope 4 (inlined std::slice::Iter::<'_, T>::new) { // at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+            debug slice => _1;           // in scope 4 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+            let _12: *const T;           // in scope 4 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+            let mut _14: bool;           // in scope 4 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+            let mut _15: usize;          // in scope 4 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+            let mut _16: usize;          // in scope 4 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+            let mut _17: std::ptr::NonNull<T>; // in scope 4 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+            let mut _18: *mut T;         // in scope 4 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+            let mut _19: *const T;       // in scope 4 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+            scope 5 {
+                debug ptr => _12;        // in scope 5 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+                scope 6 {
+                    let _13: *const T;   // in scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+                    scope 7 {
+                        debug end => _13; // in scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+                        scope 13 (inlined NonNull::<T>::new_unchecked) { // at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+                            debug ptr => _18; // in scope 13 at $SRC_DIR/core/src/ptr/non_null.rs:LL:COL
+                            let mut _21: *const T; // in scope 13 at $SRC_DIR/core/src/ptr/non_null.rs:LL:COL
+                            let mut _22: *mut T; // in scope 13 at $SRC_DIR/core/src/intrinsics.rs:LL:COL
+                            scope 14 {
+                                scope 15 (inlined NonNull::<T>::new_unchecked::runtime::<T>) { // at $SRC_DIR/core/src/intrinsics.rs:LL:COL
+                                    debug ptr => _22; // in scope 15 at $SRC_DIR/core/src/intrinsics.rs:LL:COL
+                                    scope 16 (inlined ptr::mut_ptr::<impl *mut T>::is_null) { // at $SRC_DIR/core/src/ptr/non_null.rs:LL:COL
+                                        debug self => _22; // in scope 16 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
+                                        let mut _23: *mut u8; // in scope 16 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
+                                        scope 17 {
+                                            scope 18 (inlined ptr::mut_ptr::<impl *mut T>::is_null::runtime_impl) { // at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
+                                                debug ptr => _23; // in scope 18 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
+                                                scope 19 (inlined ptr::mut_ptr::<impl *mut u8>::addr) { // at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
+                                                    debug self => _23; // in scope 19 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
+                                                    scope 20 {
+                                                        scope 21 (inlined ptr::mut_ptr::<impl *mut u8>::cast::<()>) { // at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
+                                                            debug self => _23; // in scope 21 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
+                                                        }
+                                                    }
+                                                }
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    }
+                    scope 9 (inlined invalid::<T>) { // at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+                        debug addr => _15; // in scope 9 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
+                        scope 10 {
+                        }
+                    }
+                    scope 11 (inlined ptr::const_ptr::<impl *const T>::add) { // at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+                        debug self => _12; // in scope 11 at $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
+                        debug count => _16; // in scope 11 at $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
+                        scope 12 {
+                        }
+                    }
+                }
+            }
+            scope 8 (inlined core::slice::<impl [T]>::as_ptr) { // at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+                debug self => _1;        // in scope 8 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+                let mut _20: *const [T]; // in scope 8 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+            }
+        }
     }
-    scope 4 (inlined <std::slice::Iter<'_, T> as IntoIterator>::into_iter) { // at $DIR/slice_iter.rs:28:14: 28:26
-        debug self => _4;                // in scope 4 at $SRC_DIR/core/src/iter/traits/collect.rs:LL:COL
+    scope 22 (inlined <std::slice::Iter<'_, T> as IntoIterator>::into_iter) { // at $DIR/slice_iter.rs:28:14: 28:26
+        debug self => _3;                // in scope 22 at $SRC_DIR/core/src/iter/traits/collect.rs:LL:COL
     }
 
     bb0: {
-        StorageLive(_3);                 // scope 0 at $DIR/slice_iter.rs:+1:14: +1:26
-        StorageLive(_4);                 // scope 0 at $DIR/slice_iter.rs:+1:14: +1:26
-        _4 = std::slice::Iter::<'_, T>::new(_1) -> [return: bb10, unwind: bb8]; // scope 3 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
-                                         // mir::Constant
-                                         // + span: $SRC_DIR/core/src/slice/mod.rs:LL:COL
-                                         // + user_ty: UserType(0)
-                                         // + literal: Const { ty: fn(&[T]) -> std::slice::Iter<'_, T> {std::slice::Iter::<'_, T>::new}, val: Value(<ZST>) }
+        StorageLive(_12);                // scope 3 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+        StorageLive(_20);                // scope 8 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+        _20 = &raw const (*_1);          // scope 8 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+        _12 = move _20 as *const T (PtrToPtr); // scope 8 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+        StorageDead(_20);                // scope 8 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+        StorageLive(_13);                // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        StorageLive(_14);                // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        _14 = const _;                   // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        switchInt(move _14) -> [0: bb11, otherwise: bb10]; // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
     }
 
     bb1: {
-        StorageLive(_7);                 // scope 1 at $DIR/slice_iter.rs:+1:14: +1:26
-        _8 = &mut _5;                    // scope 1 at $DIR/slice_iter.rs:+1:14: +1:26
-        _7 = <std::slice::Iter<'_, T> as Iterator>::next(_8) -> [return: bb2, unwind: bb8]; // scope 1 at $DIR/slice_iter.rs:+1:14: +1:26
+        StorageLive(_6);                 // scope 1 at $DIR/slice_iter.rs:+1:14: +1:26
+        _7 = &mut _4;                    // scope 1 at $DIR/slice_iter.rs:+1:14: +1:26
+        _6 = <std::slice::Iter<'_, T> as Iterator>::next(_7) -> [return: bb2, unwind: bb8]; // scope 1 at $DIR/slice_iter.rs:+1:14: +1:26
                                          // mir::Constant
                                          // + span: $DIR/slice_iter.rs:28:14: 28:26
                                          // + literal: Const { ty: for<'a> fn(&'a mut std::slice::Iter<'_, T>) -> Option<<std::slice::Iter<'_, T> as Iterator>::Item> {<std::slice::Iter<'_, T> as Iterator>::next}, val: Value(<ZST>) }
     }
 
     bb2: {
-        _9 = discriminant(_7);           // scope 1 at $DIR/slice_iter.rs:+1:14: +1:26
-        switchInt(move _9) -> [0: bb5, 1: bb3, otherwise: bb4]; // scope 1 at $DIR/slice_iter.rs:+1:14: +1:26
+        _8 = discriminant(_6);           // scope 1 at $DIR/slice_iter.rs:+1:14: +1:26
+        switchInt(move _8) -> [0: bb5, 1: bb3, otherwise: bb4]; // scope 1 at $DIR/slice_iter.rs:+1:14: +1:26
     }
 
     bb3: {
-        _10 = ((_7 as Some).0: &T);      // scope 1 at $DIR/slice_iter.rs:+1:9: +1:10
-        StorageLive(_11);                // scope 2 at $DIR/slice_iter.rs:+2:9: +2:10
-        _11 = &_2;                       // scope 2 at $DIR/slice_iter.rs:+2:9: +2:10
-        StorageLive(_12);                // scope 2 at $DIR/slice_iter.rs:+2:9: +2:13
-        _12 = (_10,);                    // scope 2 at $DIR/slice_iter.rs:+2:9: +2:13
-        _6 = <impl Fn(&T) as Fn<(&T,)>>::call(move _11, move _12) -> [return: bb6, unwind: bb8]; // scope 2 at $DIR/slice_iter.rs:+2:9: +2:13
+        _9 = ((_6 as Some).0: &T);       // scope 1 at $DIR/slice_iter.rs:+1:9: +1:10
+        StorageLive(_10);                // scope 2 at $DIR/slice_iter.rs:+2:9: +2:10
+        _10 = &_2;                       // scope 2 at $DIR/slice_iter.rs:+2:9: +2:10
+        StorageLive(_11);                // scope 2 at $DIR/slice_iter.rs:+2:9: +2:13
+        _11 = (_9,);                     // scope 2 at $DIR/slice_iter.rs:+2:9: +2:13
+        _5 = <impl Fn(&T) as Fn<(&T,)>>::call(move _10, move _11) -> [return: bb6, unwind: bb8]; // scope 2 at $DIR/slice_iter.rs:+2:9: +2:13
                                          // mir::Constant
                                          // + span: $DIR/slice_iter.rs:29:9: 29:10
                                          // + literal: Const { ty: for<'a> extern "rust-call" fn(&'a impl Fn(&T), (&T,)) -> <impl Fn(&T) as FnOnce<(&T,)>>::Output {<impl Fn(&T) as Fn<(&T,)>>::call}, val: Value(<ZST>) }
@@ -68,16 +130,15 @@ fn forward_loop(_1: &[T], _2: impl Fn(&T)) -> () {
     }
 
     bb5: {
-        StorageDead(_7);                 // scope 1 at $DIR/slice_iter.rs:+3:5: +3:6
-        StorageDead(_5);                 // scope 0 at $DIR/slice_iter.rs:+3:5: +3:6
-        StorageDead(_3);                 // scope 0 at $DIR/slice_iter.rs:+3:5: +3:6
+        StorageDead(_6);                 // scope 1 at $DIR/slice_iter.rs:+3:5: +3:6
+        StorageDead(_4);                 // scope 0 at $DIR/slice_iter.rs:+3:5: +3:6
         drop(_2) -> bb7;                 // scope 0 at $DIR/slice_iter.rs:+4:1: +4:2
     }
 
     bb6: {
-        StorageDead(_12);                // scope 2 at $DIR/slice_iter.rs:+2:12: +2:13
         StorageDead(_11);                // scope 2 at $DIR/slice_iter.rs:+2:12: +2:13
-        StorageDead(_7);                 // scope 1 at $DIR/slice_iter.rs:+3:5: +3:6
+        StorageDead(_10);                // scope 2 at $DIR/slice_iter.rs:+2:12: +2:13
+        StorageDead(_6);                 // scope 1 at $DIR/slice_iter.rs:+3:5: +3:6
         goto -> bb1;                     // scope 1 at $DIR/slice_iter.rs:+1:5: +3:6
     }
 
@@ -94,10 +155,49 @@ fn forward_loop(_1: &[T], _2: impl Fn(&T)) -> () {
     }
 
     bb10: {
-        _3 = move _4;                    // scope 4 at $SRC_DIR/core/src/iter/traits/collect.rs:LL:COL
-        StorageDead(_4);                 // scope 0 at $DIR/slice_iter.rs:+1:25: +1:26
-        StorageLive(_5);                 // scope 0 at $DIR/slice_iter.rs:+1:14: +1:26
-        _5 = move _3;                    // scope 0 at $DIR/slice_iter.rs:+1:14: +1:26
+        StorageLive(_15);                // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        _15 = Len((*_1));                // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        _13 = _15 as *const T (Transmute); // scope 10 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
+        StorageDead(_15);                // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        goto -> bb12;                    // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+    }
+
+    bb11: {
+        StorageLive(_16);                // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        _16 = Len((*_1));                // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        _13 = Offset(_12, _16);          // scope 12 at $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
+        StorageDead(_16);                // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        goto -> bb12;                    // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+    }
+
+    bb12: {
+        StorageDead(_14);                // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        StorageLive(_17);                // scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        StorageLive(_18);                // scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        _18 = _12 as *mut T (PtrToPtr);  // scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        StorageLive(_21);                // scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        StorageLive(_22);                // scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        StorageLive(_23);                // scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        _21 = _18 as *const T (Pointer(MutToConstPointer)); // scope 14 at $SRC_DIR/core/src/ptr/non_null.rs:LL:COL
+        _17 = NonNull::<T> { pointer: _21 }; // scope 14 at $SRC_DIR/core/src/ptr/non_null.rs:LL:COL
+        StorageDead(_23);                // scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        StorageDead(_22);                // scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        StorageDead(_21);                // scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        StorageDead(_18);                // scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        StorageLive(_19);                // scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        _19 = _13;                       // scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        _3 = std::slice::Iter::<'_, T> { ptr: move _17, end: move _19, _marker: const ZeroSized: PhantomData<&T> }; // scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+                                         // mir::Constant
+                                         // + span: no-location
+                                         // + literal: Const { ty: PhantomData<&T>, val: Value(<ZST>) }
+                                         // adt
+                                         // + user_ty: UserType(1)
+        StorageDead(_19);                // scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        StorageDead(_17);                // scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        StorageDead(_13);                // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        StorageDead(_12);                // scope 3 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+        StorageLive(_4);                 // scope 0 at $DIR/slice_iter.rs:+1:14: +1:26
+        _4 = move _3;                    // scope 0 at $DIR/slice_iter.rs:+1:14: +1:26
         goto -> bb1;                     // scope 1 at $DIR/slice_iter.rs:+1:5: +3:6
     }
 }
diff --git a/tests/mir-opt/pre-codegen/slice_iter.reverse_loop.PreCodegen.after.mir b/tests/mir-opt/pre-codegen/slice_iter.reverse_loop.PreCodegen.after.mir
index 62dd9667d96..45b41b54c8b 100644
--- a/tests/mir-opt/pre-codegen/slice_iter.reverse_loop.PreCodegen.after.mir
+++ b/tests/mir-opt/pre-codegen/slice_iter.reverse_loop.PreCodegen.after.mir
@@ -19,39 +19,104 @@ fn reverse_loop(_1: &[T], _2: impl Fn(&T)) -> () {
         scope 2 {
             debug x => _10;              // in scope 2 at $DIR/slice_iter.rs:+1:9: +1:10
         }
-        scope 7 (inlined <Rev<std::slice::Iter<'_, T>> as Iterator>::next) { // at $DIR/slice_iter.rs:35:14: 35:32
-            debug self => _8;            // in scope 7 at $SRC_DIR/core/src/iter/adapters/rev.rs:LL:COL
-            let mut _13: &mut std::slice::Iter<'_, T>; // in scope 7 at $SRC_DIR/core/src/iter/adapters/rev.rs:LL:COL
+        scope 25 (inlined <Rev<std::slice::Iter<'_, T>> as Iterator>::next) { // at $DIR/slice_iter.rs:35:14: 35:32
+            debug self => _8;            // in scope 25 at $SRC_DIR/core/src/iter/adapters/rev.rs:LL:COL
+            let mut _25: &mut std::slice::Iter<'_, T>; // in scope 25 at $SRC_DIR/core/src/iter/adapters/rev.rs:LL:COL
         }
     }
     scope 3 (inlined core::slice::<impl [T]>::iter) { // at $DIR/slice_iter.rs:35:20: 35:26
         debug self => _1;                // in scope 3 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+        scope 4 (inlined std::slice::Iter::<'_, T>::new) { // at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+            debug slice => _1;           // in scope 4 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+            let _13: *const T;           // in scope 4 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+            let mut _15: bool;           // in scope 4 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+            let mut _16: usize;          // in scope 4 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+            let mut _17: usize;          // in scope 4 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+            let mut _18: std::ptr::NonNull<T>; // in scope 4 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+            let mut _19: *mut T;         // in scope 4 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+            let mut _20: *const T;       // in scope 4 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+            scope 5 {
+                debug ptr => _13;        // in scope 5 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+                scope 6 {
+                    let _14: *const T;   // in scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+                    scope 7 {
+                        debug end => _14; // in scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+                        scope 13 (inlined NonNull::<T>::new_unchecked) { // at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+                            debug ptr => _19; // in scope 13 at $SRC_DIR/core/src/ptr/non_null.rs:LL:COL
+                            let mut _22: *const T; // in scope 13 at $SRC_DIR/core/src/ptr/non_null.rs:LL:COL
+                            let mut _23: *mut T; // in scope 13 at $SRC_DIR/core/src/intrinsics.rs:LL:COL
+                            scope 14 {
+                                scope 15 (inlined NonNull::<T>::new_unchecked::runtime::<T>) { // at $SRC_DIR/core/src/intrinsics.rs:LL:COL
+                                    debug ptr => _23; // in scope 15 at $SRC_DIR/core/src/intrinsics.rs:LL:COL
+                                    scope 16 (inlined ptr::mut_ptr::<impl *mut T>::is_null) { // at $SRC_DIR/core/src/ptr/non_null.rs:LL:COL
+                                        debug self => _23; // in scope 16 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
+                                        let mut _24: *mut u8; // in scope 16 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
+                                        scope 17 {
+                                            scope 18 (inlined ptr::mut_ptr::<impl *mut T>::is_null::runtime_impl) { // at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
+                                                debug ptr => _24; // in scope 18 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
+                                                scope 19 (inlined ptr::mut_ptr::<impl *mut u8>::addr) { // at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
+                                                    debug self => _24; // in scope 19 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
+                                                    scope 20 {
+                                                        scope 21 (inlined ptr::mut_ptr::<impl *mut u8>::cast::<()>) { // at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
+                                                            debug self => _24; // in scope 21 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
+                                                        }
+                                                    }
+                                                }
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    }
+                    scope 9 (inlined invalid::<T>) { // at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+                        debug addr => _16; // in scope 9 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
+                        scope 10 {
+                        }
+                    }
+                    scope 11 (inlined ptr::const_ptr::<impl *const T>::add) { // at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+                        debug self => _13; // in scope 11 at $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
+                        debug count => _17; // in scope 11 at $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
+                        scope 12 {
+                        }
+                    }
+                }
+            }
+            scope 8 (inlined core::slice::<impl [T]>::as_ptr) { // at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+                debug self => _1;        // in scope 8 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+                let mut _21: *const [T]; // in scope 8 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+            }
+        }
     }
-    scope 4 (inlined <std::slice::Iter<'_, T> as Iterator>::rev) { // at $DIR/slice_iter.rs:35:27: 35:32
-        debug self => _4;                // in scope 4 at $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL
-        scope 5 (inlined Rev::<std::slice::Iter<'_, T>>::new) { // at $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL
-            debug iter => _4;            // in scope 5 at $SRC_DIR/core/src/iter/adapters/rev.rs:LL:COL
+    scope 22 (inlined <std::slice::Iter<'_, T> as Iterator>::rev) { // at $DIR/slice_iter.rs:35:27: 35:32
+        debug self => _4;                // in scope 22 at $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL
+        scope 23 (inlined Rev::<std::slice::Iter<'_, T>>::new) { // at $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL
+            debug iter => _4;            // in scope 23 at $SRC_DIR/core/src/iter/adapters/rev.rs:LL:COL
         }
     }
-    scope 6 (inlined <Rev<std::slice::Iter<'_, T>> as IntoIterator>::into_iter) { // at $DIR/slice_iter.rs:35:14: 35:32
-        debug self => _3;                // in scope 6 at $SRC_DIR/core/src/iter/traits/collect.rs:LL:COL
+    scope 24 (inlined <Rev<std::slice::Iter<'_, T>> as IntoIterator>::into_iter) { // at $DIR/slice_iter.rs:35:14: 35:32
+        debug self => _3;                // in scope 24 at $SRC_DIR/core/src/iter/traits/collect.rs:LL:COL
     }
 
     bb0: {
         StorageLive(_4);                 // scope 0 at $DIR/slice_iter.rs:+1:14: +1:26
-        _4 = std::slice::Iter::<'_, T>::new(_1) -> [return: bb9, unwind: bb7]; // scope 3 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
-                                         // mir::Constant
-                                         // + span: $SRC_DIR/core/src/slice/mod.rs:LL:COL
-                                         // + user_ty: UserType(0)
-                                         // + literal: Const { ty: fn(&[T]) -> std::slice::Iter<'_, T> {std::slice::Iter::<'_, T>::new}, val: Value(<ZST>) }
+        StorageLive(_13);                // scope 3 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+        StorageLive(_21);                // scope 8 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+        _21 = &raw const (*_1);          // scope 8 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+        _13 = move _21 as *const T (PtrToPtr); // scope 8 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+        StorageDead(_21);                // scope 8 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+        StorageLive(_14);                // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        StorageLive(_15);                // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        _15 = const _;                   // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        switchInt(move _15) -> [0: bb10, otherwise: bb9]; // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
     }
 
     bb1: {
         StorageLive(_7);                 // scope 1 at $DIR/slice_iter.rs:+1:14: +1:32
         _8 = &mut _5;                    // scope 1 at $DIR/slice_iter.rs:+1:14: +1:32
-        StorageLive(_13);                // scope 7 at $SRC_DIR/core/src/iter/adapters/rev.rs:LL:COL
-        _13 = &mut ((*_8).0: std::slice::Iter<'_, T>); // scope 7 at $SRC_DIR/core/src/iter/adapters/rev.rs:LL:COL
-        _7 = <std::slice::Iter<'_, T> as DoubleEndedIterator>::next_back(move _13) -> [return: bb10, unwind: bb7]; // scope 7 at $SRC_DIR/core/src/iter/adapters/rev.rs:LL:COL
+        StorageLive(_25);                // scope 25 at $SRC_DIR/core/src/iter/adapters/rev.rs:LL:COL
+        _25 = &mut ((*_8).0: std::slice::Iter<'_, T>); // scope 25 at $SRC_DIR/core/src/iter/adapters/rev.rs:LL:COL
+        _7 = <std::slice::Iter<'_, T> as DoubleEndedIterator>::next_back(move _25) -> [return: bb12, unwind: bb7]; // scope 25 at $SRC_DIR/core/src/iter/adapters/rev.rs:LL:COL
                                          // mir::Constant
                                          // + span: $SRC_DIR/core/src/iter/adapters/rev.rs:LL:COL
                                          // + literal: Const { ty: for<'a> fn(&'a mut std::slice::Iter<'_, T>) -> Option<<std::slice::Iter<'_, T> as Iterator>::Item> {<std::slice::Iter<'_, T> as DoubleEndedIterator>::next_back}, val: Value(<ZST>) }
@@ -99,15 +164,56 @@ fn reverse_loop(_1: &[T], _2: impl Fn(&T)) -> () {
     }
 
     bb9: {
-        _3 = Rev::<std::slice::Iter<'_, T>> { iter: move _4 }; // scope 5 at $SRC_DIR/core/src/iter/adapters/rev.rs:LL:COL
+        StorageLive(_16);                // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        _16 = Len((*_1));                // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        _14 = _16 as *const T (Transmute); // scope 10 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
+        StorageDead(_16);                // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        goto -> bb11;                    // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+    }
+
+    bb10: {
+        StorageLive(_17);                // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        _17 = Len((*_1));                // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        _14 = Offset(_13, _17);          // scope 12 at $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
+        StorageDead(_17);                // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        goto -> bb11;                    // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+    }
+
+    bb11: {
+        StorageDead(_15);                // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        StorageLive(_18);                // scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        StorageLive(_19);                // scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        _19 = _13 as *mut T (PtrToPtr);  // scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        StorageLive(_22);                // scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        StorageLive(_23);                // scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        StorageLive(_24);                // scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        _22 = _19 as *const T (Pointer(MutToConstPointer)); // scope 14 at $SRC_DIR/core/src/ptr/non_null.rs:LL:COL
+        _18 = NonNull::<T> { pointer: _22 }; // scope 14 at $SRC_DIR/core/src/ptr/non_null.rs:LL:COL
+        StorageDead(_24);                // scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        StorageDead(_23);                // scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        StorageDead(_22);                // scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        StorageDead(_19);                // scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        StorageLive(_20);                // scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        _20 = _14;                       // scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        _4 = std::slice::Iter::<'_, T> { ptr: move _18, end: move _20, _marker: const ZeroSized: PhantomData<&T> }; // scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+                                         // mir::Constant
+                                         // + span: no-location
+                                         // + literal: Const { ty: PhantomData<&T>, val: Value(<ZST>) }
+                                         // adt
+                                         // + user_ty: UserType(1)
+        StorageDead(_20);                // scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        StorageDead(_18);                // scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        StorageDead(_14);                // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        StorageDead(_13);                // scope 3 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+        _3 = Rev::<std::slice::Iter<'_, T>> { iter: move _4 }; // scope 23 at $SRC_DIR/core/src/iter/adapters/rev.rs:LL:COL
         StorageDead(_4);                 // scope 0 at $DIR/slice_iter.rs:+1:31: +1:32
         StorageLive(_5);                 // scope 0 at $DIR/slice_iter.rs:+1:14: +1:32
         _5 = move _3;                    // scope 0 at $DIR/slice_iter.rs:+1:14: +1:32
         goto -> bb1;                     // scope 1 at $DIR/slice_iter.rs:+1:5: +3:6
     }
 
-    bb10: {
-        StorageDead(_13);                // scope 7 at $SRC_DIR/core/src/iter/adapters/rev.rs:LL:COL
+    bb12: {
+        StorageDead(_25);                // scope 25 at $SRC_DIR/core/src/iter/adapters/rev.rs:LL:COL
         _9 = discriminant(_7);           // scope 1 at $DIR/slice_iter.rs:+1:14: +1:32
         switchInt(move _9) -> [0: bb4, 1: bb2, otherwise: bb3]; // scope 1 at $DIR/slice_iter.rs:+1:14: +1:32
     }
diff --git a/tests/mir-opt/reference_prop.debuginfo.ReferencePropagation.diff b/tests/mir-opt/reference_prop.debuginfo.ReferencePropagation.diff
new file mode 100644
index 00000000000..07bd48fc846
--- /dev/null
+++ b/tests/mir-opt/reference_prop.debuginfo.ReferencePropagation.diff
@@ -0,0 +1,175 @@
+- // MIR for `debuginfo` before ReferencePropagation
++ // MIR for `debuginfo` after ReferencePropagation
+  
+  fn debuginfo() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/reference_prop.rs:+0:16: +0:16
+      let _1: &mut u8;                     // in scope 0 at $DIR/reference_prop.rs:+3:9: +3:19
+      let mut _2: u8;                      // in scope 0 at $DIR/reference_prop.rs:+3:27: +3:31
+      let _4: debuginfo::T;                // in scope 0 at $DIR/reference_prop.rs:+4:18: +4:22
+      let _6: ();                          // in scope 0 at $DIR/reference_prop.rs:+9:5: +12:6
+      let mut _7: std::option::Option<i32>; // in scope 0 at $DIR/reference_prop.rs:+9:11: +9:18
+      let mut _8: isize;                   // in scope 0 at $DIR/reference_prop.rs:+10:9: +10:13
+      let _10: ();                         // in scope 0 at $DIR/reference_prop.rs:+16:5: +17:6
+      let mut _11: &[i32];                 // in scope 0 at $DIR/reference_prop.rs:+16:82: +16:94
+      let _12: &[i32];                     // in scope 0 at $DIR/reference_prop.rs:+16:83: +16:94
+      let mut _13: &[i32; 10];             // in scope 0 at $DIR/reference_prop.rs:+16:83: +16:90
+      let _14: [i32; 10];                  // in scope 0 at $DIR/reference_prop.rs:+16:83: +16:90
+      let mut _15: std::ops::RangeFull;    // in scope 0 at $DIR/reference_prop.rs:+16:91: +16:93
+      let mut _16: usize;                  // in scope 0 at $DIR/reference_prop.rs:+16:12: +16:79
+      let mut _17: usize;                  // in scope 0 at $DIR/reference_prop.rs:+16:12: +16:79
+      let mut _18: bool;                   // in scope 0 at $DIR/reference_prop.rs:+16:12: +16:79
+      let _23: &&mut u8;                   // in scope 0 at $DIR/reference_prop.rs:+19:28: +19:40
+      let _24: &mut u8;                    // in scope 0 at $DIR/reference_prop.rs:+19:29: +19:40
+      let mut _25: debuginfo::T;           // in scope 0 at $DIR/reference_prop.rs:+19:34: +19:38
+      scope 1 {
+-         debug ref_mut_u8 => _1;          // in scope 1 at $DIR/reference_prop.rs:+3:9: +3:19
++         debug ref_mut_u8 => &_2;         // in scope 1 at $DIR/reference_prop.rs:+3:9: +3:19
+          let _3: &u8;                     // in scope 1 at $DIR/reference_prop.rs:+4:9: +4:14
+          let mut _28: &debuginfo::T;      // in scope 1 at $DIR/reference_prop.rs:+4:17: +4:24
+          scope 2 {
+-             debug field => _3;           // in scope 2 at $DIR/reference_prop.rs:+4:9: +4:14
++             debug field => &((*_28).0: u8); // in scope 2 at $DIR/reference_prop.rs:+4:9: +4:14
+              let _5: &u8;                 // in scope 2 at $DIR/reference_prop.rs:+7:9: +7:17
+              scope 3 {
+-                 debug reborrow => _5;    // in scope 3 at $DIR/reference_prop.rs:+7:9: +7:17
++                 debug reborrow => &_2;   // in scope 3 at $DIR/reference_prop.rs:+7:9: +7:17
+                  let _9: &i32;            // in scope 3 at $DIR/reference_prop.rs:+11:14: +11:31
+                  let _22: &&&mut u8;      // in scope 3 at $DIR/reference_prop.rs:+19:9: +19:24
+                  let mut _27: &std::option::Option<i32>; // in scope 3 at $DIR/reference_prop.rs:+11:14: +11:31
+                  scope 4 {
+-                     debug variant_field => _9; // in scope 4 at $DIR/reference_prop.rs:+11:14: +11:31
++                     debug variant_field => &(((*_27) as Some).0: i32); // in scope 4 at $DIR/reference_prop.rs:+11:14: +11:31
+                  }
+                  scope 5 {
+-                     debug constant_index => _19; // in scope 5 at $DIR/reference_prop.rs:+16:16: +16:34
++                     debug constant_index => &(*_11)[1 of 3]; // in scope 5 at $DIR/reference_prop.rs:+16:16: +16:34
+                      debug subslice => _20; // in scope 5 at $DIR/reference_prop.rs:+16:36: +16:44
+                      debug constant_index_from_end => _21; // in scope 5 at $DIR/reference_prop.rs:+16:51: +16:78
+                      let _19: &i32;       // in scope 5 at $DIR/reference_prop.rs:+16:16: +16:34
+                      let _20: &[i32];     // in scope 5 at $DIR/reference_prop.rs:+16:36: +16:44
+                      let _21: &i32;       // in scope 5 at $DIR/reference_prop.rs:+16:51: +16:78
+                      let mut _26: &[i32; 10]; // in scope 5 at $DIR/reference_prop.rs:+16:83: +16:90
+                  }
+                  scope 6 {
+-                     debug multiple_borrow => _22; // in scope 6 at $DIR/reference_prop.rs:+19:9: +19:24
++                     debug multiple_borrow => &&&(_25.0: u8); // in scope 6 at $DIR/reference_prop.rs:+19:9: +19:24
+                  }
+              }
+          }
+      }
+  
+      bb0: {
+-         StorageLive(_1);                 // scope 0 at $DIR/reference_prop.rs:+3:9: +3:19
+          StorageLive(_2);                 // scope 0 at $DIR/reference_prop.rs:+3:27: +3:31
+          _2 = const 5_u8;                 // scope 0 at $DIR/reference_prop.rs:+3:27: +3:31
+-         _1 = &mut _2;                    // scope 0 at $DIR/reference_prop.rs:+3:22: +3:31
+-         StorageLive(_3);                 // scope 1 at $DIR/reference_prop.rs:+4:9: +4:14
+          _28 = const _;                   // scope 1 at $DIR/reference_prop.rs:+4:17: +4:24
+                                           // mir::Constant
+                                           // + span: $DIR/reference_prop.rs:535:17: 535:24
+                                           // + literal: Const { ty: &T, val: Unevaluated(debuginfo, [], Some(promoted[2])) }
+-         _3 = &((*_28).0: u8);            // scope 1 at $DIR/reference_prop.rs:+4:17: +4:24
+-         StorageLive(_5);                 // scope 2 at $DIR/reference_prop.rs:+7:9: +7:17
+-         _5 = &(*_1);                     // scope 2 at $DIR/reference_prop.rs:+7:20: +7:32
+-         StorageLive(_6);                 // scope 3 at $DIR/reference_prop.rs:+9:5: +12:6
+          StorageLive(_7);                 // scope 3 at $DIR/reference_prop.rs:+9:11: +9:18
+          _7 = Option::<i32>::Some(const 0_i32); // scope 3 at $DIR/reference_prop.rs:+9:11: +9:18
+          _8 = discriminant(_7);           // scope 3 at $DIR/reference_prop.rs:+9:11: +9:18
+          switchInt(move _8) -> [0: bb3, 1: bb1, otherwise: bb2]; // scope 3 at $DIR/reference_prop.rs:+9:5: +9:18
+      }
+  
+      bb1: {
+-         StorageLive(_9);                 // scope 3 at $DIR/reference_prop.rs:+11:14: +11:31
+          _27 = const _;                   // scope 3 at $DIR/reference_prop.rs:+11:14: +11:31
+                                           // mir::Constant
+                                           // + span: $DIR/reference_prop.rs:542:14: 542:31
+                                           // + literal: Const { ty: &Option<i32>, val: Unevaluated(debuginfo, [], Some(promoted[1])) }
+-         _9 = &(((*_27) as Some).0: i32); // scope 3 at $DIR/reference_prop.rs:+11:14: +11:31
+-         _6 = const ();                   // scope 4 at $DIR/reference_prop.rs:+11:36: +11:38
+-         StorageDead(_9);                 // scope 3 at $DIR/reference_prop.rs:+11:37: +11:38
+          goto -> bb4;                     // scope 3 at $DIR/reference_prop.rs:+11:37: +11:38
+      }
+  
+      bb2: {
+          unreachable;                     // scope 3 at $DIR/reference_prop.rs:+9:11: +9:18
+      }
+  
+      bb3: {
+-         _6 = const ();                   // scope 3 at $DIR/reference_prop.rs:+10:17: +10:19
+          goto -> bb4;                     // scope 3 at $DIR/reference_prop.rs:+10:17: +10:19
+      }
+  
+      bb4: {
+          StorageDead(_7);                 // scope 3 at $DIR/reference_prop.rs:+12:5: +12:6
+-         StorageDead(_6);                 // scope 3 at $DIR/reference_prop.rs:+12:5: +12:6
+-         StorageLive(_10);                // scope 3 at $DIR/reference_prop.rs:+16:5: +17:6
+          StorageLive(_11);                // scope 5 at $DIR/reference_prop.rs:+16:82: +16:94
+          StorageLive(_12);                // scope 5 at $DIR/reference_prop.rs:+16:83: +16:94
+          StorageLive(_13);                // scope 5 at $DIR/reference_prop.rs:+16:83: +16:90
+          _26 = const _;                   // scope 5 at $DIR/reference_prop.rs:+16:83: +16:90
+                                           // mir::Constant
+                                           // + span: $DIR/reference_prop.rs:547:83: 547:90
+                                           // + literal: Const { ty: &[i32; 10], val: Unevaluated(debuginfo, [], Some(promoted[0])) }
+          _13 = &(*_26);                   // scope 5 at $DIR/reference_prop.rs:+16:83: +16:90
+          StorageLive(_15);                // scope 5 at $DIR/reference_prop.rs:+16:91: +16:93
+          _15 = RangeFull;                 // scope 5 at $DIR/reference_prop.rs:+16:91: +16:93
+          _12 = <[i32; 10] as Index<RangeFull>>::index(move _13, move _15) -> bb5; // scope 5 at $DIR/reference_prop.rs:+16:83: +16:94
+                                           // mir::Constant
+                                           // + span: $DIR/reference_prop.rs:547:83: 547:94
+                                           // + literal: Const { ty: for<'a> fn(&'a [i32; 10], RangeFull) -> &'a <[i32; 10] as Index<RangeFull>>::Output {<[i32; 10] as Index<RangeFull>>::index}, val: Value(<ZST>) }
+      }
+  
+      bb5: {
+          StorageDead(_15);                // scope 5 at $DIR/reference_prop.rs:+16:93: +16:94
+          StorageDead(_13);                // scope 5 at $DIR/reference_prop.rs:+16:93: +16:94
+          _11 = &(*_12);                   // scope 5 at $DIR/reference_prop.rs:+16:82: +16:94
+          _16 = Len((*_11));               // scope 5 at $DIR/reference_prop.rs:+16:12: +16:79
+          _17 = const 3_usize;             // scope 5 at $DIR/reference_prop.rs:+16:12: +16:79
+          _18 = Ge(move _16, move _17);    // scope 5 at $DIR/reference_prop.rs:+16:12: +16:79
+          switchInt(move _18) -> [0: bb7, otherwise: bb6]; // scope 5 at $DIR/reference_prop.rs:+16:12: +16:79
+      }
+  
+      bb6: {
+-         StorageLive(_19);                // scope 5 at $DIR/reference_prop.rs:+16:16: +16:34
+-         _19 = &(*_11)[1 of 3];           // scope 5 at $DIR/reference_prop.rs:+16:16: +16:34
+          StorageLive(_20);                // scope 5 at $DIR/reference_prop.rs:+16:36: +16:44
+          _20 = &(*_11)[2:-1];             // scope 5 at $DIR/reference_prop.rs:+16:36: +16:44
+          StorageLive(_21);                // scope 5 at $DIR/reference_prop.rs:+16:51: +16:78
+          _21 = &(*_11)[-1 of 3];          // scope 5 at $DIR/reference_prop.rs:+16:51: +16:78
+-         _10 = const ();                  // scope 5 at $DIR/reference_prop.rs:+16:95: +17:6
+          StorageDead(_21);                // scope 3 at $DIR/reference_prop.rs:+17:5: +17:6
+          StorageDead(_20);                // scope 3 at $DIR/reference_prop.rs:+17:5: +17:6
+-         StorageDead(_19);                // scope 3 at $DIR/reference_prop.rs:+17:5: +17:6
+          goto -> bb8;                     // scope 3 at $DIR/reference_prop.rs:+16:5: +17:6
+      }
+  
+      bb7: {
+-         _10 = const ();                  // scope 3 at $DIR/reference_prop.rs:+17:6: +17:6
+          goto -> bb8;                     // scope 3 at $DIR/reference_prop.rs:+16:5: +17:6
+      }
+  
+      bb8: {
+          StorageDead(_12);                // scope 3 at $DIR/reference_prop.rs:+17:5: +17:6
+          StorageDead(_11);                // scope 3 at $DIR/reference_prop.rs:+17:5: +17:6
+-         StorageDead(_10);                // scope 3 at $DIR/reference_prop.rs:+17:5: +17:6
+-         StorageLive(_22);                // scope 3 at $DIR/reference_prop.rs:+19:9: +19:24
+-         StorageLive(_23);                // scope 3 at $DIR/reference_prop.rs:+19:28: +19:40
+-         StorageLive(_24);                // scope 3 at $DIR/reference_prop.rs:+19:29: +19:40
+          StorageLive(_25);                // scope 3 at $DIR/reference_prop.rs:+19:34: +19:38
+          _25 = T(const 6_u8);             // scope 3 at $DIR/reference_prop.rs:+19:34: +19:38
+-         _24 = &mut (_25.0: u8);          // scope 3 at $DIR/reference_prop.rs:+19:29: +19:40
+-         _23 = &_24;                      // scope 3 at $DIR/reference_prop.rs:+19:28: +19:40
+-         _22 = &_23;                      // scope 3 at $DIR/reference_prop.rs:+19:27: +19:40
+          _0 = const ();                   // scope 0 at $DIR/reference_prop.rs:+0:16: +20:2
+          StorageDead(_25);                // scope 3 at $DIR/reference_prop.rs:+20:1: +20:2
+-         StorageDead(_24);                // scope 3 at $DIR/reference_prop.rs:+20:1: +20:2
+-         StorageDead(_23);                // scope 3 at $DIR/reference_prop.rs:+20:1: +20:2
+-         StorageDead(_22);                // scope 3 at $DIR/reference_prop.rs:+20:1: +20:2
+-         StorageDead(_5);                 // scope 2 at $DIR/reference_prop.rs:+20:1: +20:2
+-         StorageDead(_3);                 // scope 1 at $DIR/reference_prop.rs:+20:1: +20:2
+          StorageDead(_2);                 // scope 0 at $DIR/reference_prop.rs:+20:1: +20:2
+-         StorageDead(_1);                 // scope 0 at $DIR/reference_prop.rs:+20:1: +20:2
+          return;                          // scope 0 at $DIR/reference_prop.rs:+20:2: +20:2
+      }
+  }
+  
diff --git a/tests/mir-opt/reference_prop.dominate_storage.ReferencePropagation.diff b/tests/mir-opt/reference_prop.dominate_storage.ReferencePropagation.diff
new file mode 100644
index 00000000000..e158f64e9c3
--- /dev/null
+++ b/tests/mir-opt/reference_prop.dominate_storage.ReferencePropagation.diff
@@ -0,0 +1,38 @@
+- // MIR for `dominate_storage` before ReferencePropagation
++ // MIR for `dominate_storage` after ReferencePropagation
+  
+  fn dominate_storage() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/reference_prop.rs:+0:23: +0:23
+      let mut _1: i32;                     // in scope 0 at $SRC_DIR/core/src/intrinsics/mir.rs:LL:COL
+      let mut _2: &i32;                    // in scope 0 at $SRC_DIR/core/src/intrinsics/mir.rs:LL:COL
+      let mut _3: i32;                     // in scope 0 at $SRC_DIR/core/src/intrinsics/mir.rs:LL:COL
+      let mut _4: bool;                    // in scope 0 at $SRC_DIR/core/src/intrinsics/mir.rs:LL:COL
+      let mut _5: i32;                     // in scope 0 at $SRC_DIR/core/src/intrinsics/mir.rs:LL:COL
+      let mut _6: bool;                    // in scope 0 at $SRC_DIR/core/src/intrinsics/mir.rs:LL:COL
+  
+      bb0: {
+          goto -> bb1;                     // scope 0 at $DIR/reference_prop.rs:+8:11: +8:20
+      }
+  
+      bb1: {
+          _1 = const 5_i32;                // scope 0 at $DIR/reference_prop.rs:+10:13: +10:18
+          _2 = &_1;                        // scope 0 at $DIR/reference_prop.rs:+11:13: +11:19
+          goto -> bb2;                     // scope 0 at $DIR/reference_prop.rs:+12:13: +12:22
+      }
+  
+      bb2: {
+          _5 = (*_2);                      // scope 0 at $SRC_DIR/core/src/intrinsics/mir.rs:LL:COL
+          _0 = opaque::<i32>(_5) -> bb3;   // scope 0 at $DIR/reference_prop.rs:+16:13: +16:38
+                                           // mir::Constant
+                                           // + span: $DIR/reference_prop.rs:455:28: 455:34
+                                           // + literal: Const { ty: fn(i32) {opaque::<i32>}, val: Value(<ZST>) }
+      }
+  
+      bb3: {
+          StorageDead(_1);                 // scope 0 at $DIR/reference_prop.rs:+19:13: +19:27
+          StorageLive(_1);                 // scope 0 at $DIR/reference_prop.rs:+20:13: +20:27
+          _6 = const true;                 // scope 0 at $SRC_DIR/core/src/intrinsics/mir.rs:LL:COL
+          switchInt(_6) -> [0: bb3, otherwise: bb1]; // scope 0 at $DIR/reference_prop.rs:+22:13: +22:47
+      }
+  }
+  
diff --git a/tests/mir-opt/reference_prop.maybe_dead.ReferencePropagation.diff b/tests/mir-opt/reference_prop.maybe_dead.ReferencePropagation.diff
new file mode 100644
index 00000000000..38ab16cedb7
--- /dev/null
+++ b/tests/mir-opt/reference_prop.maybe_dead.ReferencePropagation.diff
@@ -0,0 +1,56 @@
+- // MIR for `maybe_dead` before ReferencePropagation
++ // MIR for `maybe_dead` after ReferencePropagation
+  
+  fn maybe_dead(_1: bool) -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/reference_prop.rs:+0:24: +0:24
+      let mut _2: i32;                     // in scope 0 at $SRC_DIR/core/src/intrinsics/mir.rs:LL:COL
+      let mut _3: i32;                     // in scope 0 at $SRC_DIR/core/src/intrinsics/mir.rs:LL:COL
+      let mut _4: &i32;                    // in scope 0 at $SRC_DIR/core/src/intrinsics/mir.rs:LL:COL
+      let mut _5: &mut i32;                // in scope 0 at $SRC_DIR/core/src/intrinsics/mir.rs:LL:COL
+      let mut _6: i32;                     // in scope 0 at $SRC_DIR/core/src/intrinsics/mir.rs:LL:COL
+      let mut _7: i32;                     // in scope 0 at $SRC_DIR/core/src/intrinsics/mir.rs:LL:COL
+      let mut _8: i32;                     // in scope 0 at $SRC_DIR/core/src/intrinsics/mir.rs:LL:COL
+  
+      bb0: {
+          StorageLive(_2);                 // scope 0 at $DIR/reference_prop.rs:+7:13: +7:27
+          StorageLive(_3);                 // scope 0 at $DIR/reference_prop.rs:+8:13: +8:27
+          _2 = const 5_i32;                // scope 0 at $DIR/reference_prop.rs:+9:13: +9:18
+          _3 = const 5_i32;                // scope 0 at $DIR/reference_prop.rs:+10:13: +10:18
+          _4 = &_2;                        // scope 0 at $SRC_DIR/core/src/intrinsics/mir.rs:LL:COL
+          _5 = &mut _3;                    // scope 0 at $SRC_DIR/core/src/intrinsics/mir.rs:LL:COL
+          (*_5) = const 7_i32;             // scope 0 at $DIR/reference_prop.rs:+14:13: +14:19
+-         _6 = (*_4);                      // scope 0 at $SRC_DIR/core/src/intrinsics/mir.rs:LL:COL
++         _6 = _2;                         // scope 0 at $SRC_DIR/core/src/intrinsics/mir.rs:LL:COL
+          switchInt(_1) -> [1: bb1, otherwise: bb2]; // scope 0 at $DIR/reference_prop.rs:+17:13: +17:46
+      }
+  
+      bb1: {
+          StorageDead(_2);                 // scope 0 at $DIR/reference_prop.rs:+20:13: +20:27
+          StorageDead(_3);                 // scope 0 at $DIR/reference_prop.rs:+21:13: +21:27
+          _0 = opaque::<i32>(_6) -> bb2;   // scope 0 at $DIR/reference_prop.rs:+22:13: +22:38
+                                           // mir::Constant
+                                           // + span: $DIR/reference_prop.rs:489:28: 489:34
+                                           // + literal: Const { ty: fn(i32) {opaque::<i32>}, val: Value(<ZST>) }
+      }
+  
+      bb2: {
+          _7 = (*_4);                      // scope 0 at $SRC_DIR/core/src/intrinsics/mir.rs:LL:COL
+          _0 = opaque::<i32>(_7) -> bb3;   // scope 0 at $DIR/reference_prop.rs:+27:13: +27:38
+                                           // mir::Constant
+                                           // + span: $DIR/reference_prop.rs:494:28: 494:34
+                                           // + literal: Const { ty: fn(i32) {opaque::<i32>}, val: Value(<ZST>) }
+      }
+  
+      bb3: {
+          _8 = (*_5);                      // scope 0 at $SRC_DIR/core/src/intrinsics/mir.rs:LL:COL
+          _0 = opaque::<i32>(_8) -> bb4;   // scope 0 at $DIR/reference_prop.rs:+33:13: +33:43
+                                           // mir::Constant
+                                           // + span: $DIR/reference_prop.rs:500:33: 500:39
+                                           // + literal: Const { ty: fn(i32) {opaque::<i32>}, val: Value(<ZST>) }
+      }
+  
+      bb4: {
+          return;                          // scope 0 at $DIR/reference_prop.rs:+36:13: +36:21
+      }
+  }
+  
diff --git a/tests/mir-opt/reference_prop.multiple_storage.ReferencePropagation.diff b/tests/mir-opt/reference_prop.multiple_storage.ReferencePropagation.diff
new file mode 100644
index 00000000000..6e451786870
--- /dev/null
+++ b/tests/mir-opt/reference_prop.multiple_storage.ReferencePropagation.diff
@@ -0,0 +1,27 @@
+- // MIR for `multiple_storage` before ReferencePropagation
++ // MIR for `multiple_storage` after ReferencePropagation
+  
+  fn multiple_storage() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/reference_prop.rs:+0:23: +0:23
+      let mut _1: i32;                     // in scope 0 at $SRC_DIR/core/src/intrinsics/mir.rs:LL:COL
+      let mut _2: &i32;                    // in scope 0 at $SRC_DIR/core/src/intrinsics/mir.rs:LL:COL
+      let mut _3: i32;                     // in scope 0 at $SRC_DIR/core/src/intrinsics/mir.rs:LL:COL
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/reference_prop.rs:+6:13: +6:27
+          _1 = const 5_i32;                // scope 0 at $DIR/reference_prop.rs:+7:13: +7:18
+          _2 = &_1;                        // scope 0 at $SRC_DIR/core/src/intrinsics/mir.rs:LL:COL
+          StorageDead(_1);                 // scope 0 at $DIR/reference_prop.rs:+9:13: +9:27
+          StorageLive(_1);                 // scope 0 at $DIR/reference_prop.rs:+10:13: +10:27
+          _3 = (*_2);                      // scope 0 at $SRC_DIR/core/src/intrinsics/mir.rs:LL:COL
+          _0 = opaque::<i32>(_3) -> bb1;   // scope 0 at $DIR/reference_prop.rs:+14:13: +14:43
+                                           // mir::Constant
+                                           // + span: $DIR/reference_prop.rs:429:33: 429:39
+                                           // + literal: Const { ty: fn(i32) {opaque::<i32>}, val: Value(<ZST>) }
+      }
+  
+      bb1: {
+          return;                          // scope 0 at $DIR/reference_prop.rs:+18:13: +18:21
+      }
+  }
+  
diff --git a/tests/mir-opt/reference_prop.mut_raw_then_mut_shr.ReferencePropagation.diff b/tests/mir-opt/reference_prop.mut_raw_then_mut_shr.ReferencePropagation.diff
new file mode 100644
index 00000000000..d99e110359f
--- /dev/null
+++ b/tests/mir-opt/reference_prop.mut_raw_then_mut_shr.ReferencePropagation.diff
@@ -0,0 +1,75 @@
+- // MIR for `mut_raw_then_mut_shr` before ReferencePropagation
++ // MIR for `mut_raw_then_mut_shr` after ReferencePropagation
+  
+  fn mut_raw_then_mut_shr() -> (i32, i32) {
+      let mut _0: (i32, i32);              // return place in scope 0 at $DIR/reference_prop.rs:+0:30: +0:40
+      let mut _1: i32;                     // in scope 0 at $DIR/reference_prop.rs:+1:9: +1:14
+      let mut _4: *mut i32;                // in scope 0 at $DIR/reference_prop.rs:+3:16: +3:36
+      let mut _5: &mut i32;                // in scope 0 at $DIR/reference_prop.rs:+3:16: +3:26
+      let _8: ();                          // in scope 0 at $DIR/reference_prop.rs:+7:5: +7:26
+      let mut _9: i32;                     // in scope 0 at $DIR/reference_prop.rs:+8:6: +8:7
+      let mut _10: i32;                    // in scope 0 at $DIR/reference_prop.rs:+8:9: +8:10
+      scope 1 {
+          debug x => _1;                   // in scope 1 at $DIR/reference_prop.rs:+1:9: +1:14
+          let _2: &mut i32;                // in scope 1 at $DIR/reference_prop.rs:+2:9: +2:13
+          scope 2 {
+-             debug xref => _2;            // in scope 2 at $DIR/reference_prop.rs:+2:9: +2:13
++             debug xref => &_1;           // in scope 2 at $DIR/reference_prop.rs:+2:9: +2:13
+              let _3: *mut i32;            // in scope 2 at $DIR/reference_prop.rs:+3:9: +3:13
+              scope 3 {
+-                 debug xraw => _3;        // in scope 3 at $DIR/reference_prop.rs:+3:9: +3:13
++                 debug xraw => &_1;       // in scope 3 at $DIR/reference_prop.rs:+3:9: +3:13
+                  let _6: &i32;            // in scope 3 at $DIR/reference_prop.rs:+4:9: +4:13
+                  scope 4 {
+-                     debug xshr => _6;    // in scope 4 at $DIR/reference_prop.rs:+4:9: +4:13
++                     debug xshr => &_1;   // in scope 4 at $DIR/reference_prop.rs:+4:9: +4:13
+                      let _7: i32;         // in scope 4 at $DIR/reference_prop.rs:+6:9: +6:10
+                      scope 5 {
+                          debug a => _7;   // in scope 5 at $DIR/reference_prop.rs:+6:9: +6:10
+                          scope 6 {
+                          }
+                      }
+                  }
+              }
+          }
+      }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/reference_prop.rs:+1:9: +1:14
+          _1 = const 2_i32;                // scope 0 at $DIR/reference_prop.rs:+1:17: +1:18
+-         StorageLive(_2);                 // scope 1 at $DIR/reference_prop.rs:+2:9: +2:13
+-         _2 = &mut _1;                    // scope 1 at $DIR/reference_prop.rs:+2:16: +2:22
+-         StorageLive(_3);                 // scope 2 at $DIR/reference_prop.rs:+3:9: +3:13
+-         StorageLive(_4);                 // scope 2 at $DIR/reference_prop.rs:+3:16: +3:36
+-         StorageLive(_5);                 // scope 2 at $DIR/reference_prop.rs:+3:16: +3:26
+-         _5 = &mut (*_2);                 // scope 2 at $DIR/reference_prop.rs:+3:16: +3:26
+-         _4 = &raw mut (*_5);             // scope 2 at $DIR/reference_prop.rs:+3:16: +3:26
+-         _3 = _4;                         // scope 2 at $DIR/reference_prop.rs:+3:16: +3:36
+-         StorageDead(_5);                 // scope 2 at $DIR/reference_prop.rs:+3:36: +3:37
+-         StorageDead(_4);                 // scope 2 at $DIR/reference_prop.rs:+3:36: +3:37
+-         StorageLive(_6);                 // scope 3 at $DIR/reference_prop.rs:+4:9: +4:13
+-         _6 = &(*_2);                     // scope 3 at $DIR/reference_prop.rs:+4:16: +4:22
+          StorageLive(_7);                 // scope 4 at $DIR/reference_prop.rs:+6:9: +6:10
+-         _7 = (*_6);                      // scope 4 at $DIR/reference_prop.rs:+6:13: +6:18
+-         StorageLive(_8);                 // scope 5 at $DIR/reference_prop.rs:+7:5: +7:26
+-         (*_3) = const 4_i32;             // scope 6 at $DIR/reference_prop.rs:+7:14: +7:23
+-         _8 = const ();                   // scope 6 at $DIR/reference_prop.rs:+7:5: +7:26
+-         StorageDead(_8);                 // scope 5 at $DIR/reference_prop.rs:+7:25: +7:26
++         _7 = _1;                         // scope 4 at $DIR/reference_prop.rs:+6:13: +6:18
++         _1 = const 4_i32;                // scope 6 at $DIR/reference_prop.rs:+7:14: +7:23
+          StorageLive(_9);                 // scope 5 at $DIR/reference_prop.rs:+8:6: +8:7
+          _9 = _7;                         // scope 5 at $DIR/reference_prop.rs:+8:6: +8:7
+          StorageLive(_10);                // scope 5 at $DIR/reference_prop.rs:+8:9: +8:10
+          _10 = _1;                        // scope 5 at $DIR/reference_prop.rs:+8:9: +8:10
+          _0 = (move _9, move _10);        // scope 5 at $DIR/reference_prop.rs:+8:5: +8:11
+          StorageDead(_10);                // scope 5 at $DIR/reference_prop.rs:+8:10: +8:11
+          StorageDead(_9);                 // scope 5 at $DIR/reference_prop.rs:+8:10: +8:11
+          StorageDead(_7);                 // scope 4 at $DIR/reference_prop.rs:+9:1: +9:2
+-         StorageDead(_6);                 // scope 3 at $DIR/reference_prop.rs:+9:1: +9:2
+-         StorageDead(_3);                 // scope 2 at $DIR/reference_prop.rs:+9:1: +9:2
+-         StorageDead(_2);                 // scope 1 at $DIR/reference_prop.rs:+9:1: +9:2
+          StorageDead(_1);                 // scope 0 at $DIR/reference_prop.rs:+9:1: +9:2
+          return;                          // scope 0 at $DIR/reference_prop.rs:+9:2: +9:2
+      }
+  }
+  
diff --git a/tests/mir-opt/reference_prop.read_through_raw.ReferencePropagation.diff b/tests/mir-opt/reference_prop.read_through_raw.ReferencePropagation.diff
new file mode 100644
index 00000000000..75c1f8f57cc
--- /dev/null
+++ b/tests/mir-opt/reference_prop.read_through_raw.ReferencePropagation.diff
@@ -0,0 +1,23 @@
+- // MIR for `read_through_raw` before ReferencePropagation
++ // MIR for `read_through_raw` after ReferencePropagation
+  
+  fn read_through_raw(_1: &mut usize) -> usize {
+      let mut _0: usize;                   // return place in scope 0 at $DIR/reference_prop.rs:+0:39: +0:44
+      let mut _2: &mut usize;              // in scope 0 at $SRC_DIR/core/src/intrinsics/mir.rs:LL:COL
+      let mut _3: &mut usize;              // in scope 0 at $SRC_DIR/core/src/intrinsics/mir.rs:LL:COL
+      let mut _4: *mut usize;              // in scope 0 at $SRC_DIR/core/src/intrinsics/mir.rs:LL:COL
+      let mut _5: *mut usize;              // in scope 0 at $SRC_DIR/core/src/intrinsics/mir.rs:LL:COL
+  
+      bb0: {
+-         _2 = &mut (*_1);                 // scope 0 at $DIR/reference_prop.rs:+10:13: +10:25
+-         _3 = &mut (*_2);                 // scope 0 at $DIR/reference_prop.rs:+11:13: +11:26
+-         _4 = &raw mut (*_2);             // scope 0 at $DIR/reference_prop.rs:+12:13: +12:30
+-         _5 = &raw mut (*_3);             // scope 0 at $DIR/reference_prop.rs:+13:13: +13:30
+-         _0 = (*_4);                      // scope 0 at $DIR/reference_prop.rs:+15:13: +15:22
+-         _0 = (*_5);                      // scope 0 at $DIR/reference_prop.rs:+16:13: +16:22
++         _0 = (*_1);                      // scope 0 at $DIR/reference_prop.rs:+15:13: +15:22
++         _0 = (*_1);                      // scope 0 at $DIR/reference_prop.rs:+16:13: +16:22
+          return;                          // scope 0 at $DIR/reference_prop.rs:+17:13: +17:21
+      }
+  }
+  
diff --git a/tests/mir-opt/reference_prop.reference_propagation.ReferencePropagation.diff b/tests/mir-opt/reference_prop.reference_propagation.ReferencePropagation.diff
new file mode 100644
index 00000000000..7b31ee695ce
--- /dev/null
+++ b/tests/mir-opt/reference_prop.reference_propagation.ReferencePropagation.diff
@@ -0,0 +1,475 @@
+- // MIR for `reference_propagation` before ReferencePropagation
++ // MIR for `reference_propagation` after ReferencePropagation
+  
+  fn reference_propagation(_1: &T, _2: &T) -> () {
+      debug single => _1;                  // in scope 0 at $DIR/reference_prop.rs:+0:39: +0:45
+      debug multiple => _2;                // in scope 0 at $DIR/reference_prop.rs:+0:54: +0:66
+      let mut _0: ();                      // return place in scope 0 at $DIR/reference_prop.rs:+0:75: +0:75
+      let _3: ();                          // in scope 0 at $DIR/reference_prop.rs:+2:5: +7:6
+      let _4: usize;                       // in scope 0 at $DIR/reference_prop.rs:+3:13: +3:14
+      let _7: ();                          // in scope 0 at $DIR/reference_prop.rs:+6:9: +6:19
+      let mut _8: ();                      // in scope 0 at $DIR/reference_prop.rs:+6:16: +6:18
+      let _9: ();                          // in scope 0 at $DIR/reference_prop.rs:+10:5: +18:6
+      let _10: usize;                      // in scope 0 at $DIR/reference_prop.rs:+11:13: +11:14
+      let mut _13: &usize;                 // in scope 0 at $DIR/reference_prop.rs:+14:13: +14:16
+      let _14: &usize;                     // in scope 0 at $DIR/reference_prop.rs:+14:13: +14:16
+      let _16: ();                         // in scope 0 at $DIR/reference_prop.rs:+17:9: +17:19
+      let mut _17: ();                     // in scope 0 at $DIR/reference_prop.rs:+17:16: +17:18
+      let _18: ();                         // in scope 0 at $DIR/reference_prop.rs:+21:5: +27:6
+      let _19: usize;                      // in scope 0 at $DIR/reference_prop.rs:+22:13: +22:14
+      let _23: ();                         // in scope 0 at $DIR/reference_prop.rs:+26:9: +26:18
+      let mut _24: &&usize;                // in scope 0 at $DIR/reference_prop.rs:+26:16: +26:17
+      let _25: ();                         // in scope 0 at $DIR/reference_prop.rs:+30:5: +36:6
+      let _26: usize;                      // in scope 0 at $DIR/reference_prop.rs:+31:13: +31:14
+      let _30: ();                         // in scope 0 at $DIR/reference_prop.rs:+35:9: +35:18
+      let mut _31: *mut &usize;            // in scope 0 at $DIR/reference_prop.rs:+35:16: +35:17
+      let _32: ();                         // in scope 0 at $DIR/reference_prop.rs:+39:5: +44:6
+      let _33: usize;                      // in scope 0 at $DIR/reference_prop.rs:+40:13: +40:14
+      let _36: ();                         // in scope 0 at $DIR/reference_prop.rs:+43:9: +43:18
+      let mut _37: &usize;                 // in scope 0 at $DIR/reference_prop.rs:+43:16: +43:17
+      let _38: ();                         // in scope 0 at $DIR/reference_prop.rs:+47:5: +57:6
+      let _39: usize;                      // in scope 0 at $DIR/reference_prop.rs:+48:13: +48:14
+      let _45: ();                         // in scope 0 at $DIR/reference_prop.rs:+56:9: +56:19
+      let mut _46: &usize;                 // in scope 0 at $DIR/reference_prop.rs:+56:16: +56:18
+      let _47: ();                         // in scope 0 at $DIR/reference_prop.rs:+60:5: +64:6
+      let _48: &T;                         // in scope 0 at $DIR/reference_prop.rs:+61:13: +61:14
+      let _50: ();                         // in scope 0 at $DIR/reference_prop.rs:+63:9: +63:19
+      let mut _51: ();                     // in scope 0 at $DIR/reference_prop.rs:+63:16: +63:18
+      let _52: ();                         // in scope 0 at $DIR/reference_prop.rs:+67:5: +72:6
+      let _53: &T;                         // in scope 0 at $DIR/reference_prop.rs:+68:13: +68:14
+      let mut _54: &T;                     // in scope 0 at $DIR/reference_prop.rs:+69:20: +69:28
+      let _55: &T;                         // in scope 0 at $DIR/reference_prop.rs:+69:20: +69:28
+      let _57: ();                         // in scope 0 at $DIR/reference_prop.rs:+71:9: +71:19
+      let mut _58: ();                     // in scope 0 at $DIR/reference_prop.rs:+71:16: +71:18
+      let _59: ();                         // in scope 0 at $DIR/reference_prop.rs:+75:5: +81:6
+      let _60: usize;                      // in scope 0 at $DIR/reference_prop.rs:+76:13: +76:14
+      let _64: ();                         // in scope 0 at $DIR/reference_prop.rs:+80:9: +80:19
+      let mut _65: ();                     // in scope 0 at $DIR/reference_prop.rs:+80:16: +80:18
+      let _66: usize;                      // in scope 0 at $DIR/reference_prop.rs:+85:13: +85:14
+      let _70: ();                         // in scope 0 at $DIR/reference_prop.rs:+89:9: +89:19
+      let mut _71: ();                     // in scope 0 at $DIR/reference_prop.rs:+89:16: +89:18
+      scope 1 {
+          debug a => _4;                   // in scope 1 at $DIR/reference_prop.rs:+3:13: +3:14
+          let _5: &usize;                  // in scope 1 at $DIR/reference_prop.rs:+4:13: +4:14
+          scope 2 {
+-             debug b => _5;               // in scope 2 at $DIR/reference_prop.rs:+4:13: +4:14
++             debug b => &_4;              // in scope 2 at $DIR/reference_prop.rs:+4:13: +4:14
+              let _6: usize;               // in scope 2 at $DIR/reference_prop.rs:+5:13: +5:14
+              scope 3 {
+                  debug c => _6;           // in scope 3 at $DIR/reference_prop.rs:+5:13: +5:14
+              }
+          }
+      }
+      scope 4 {
+          debug a => _10;                  // in scope 4 at $DIR/reference_prop.rs:+11:13: +11:14
+          let _11: usize;                  // in scope 4 at $DIR/reference_prop.rs:+12:13: +12:15
+          scope 5 {
+              debug a2 => _11;             // in scope 5 at $DIR/reference_prop.rs:+12:13: +12:15
+              let mut _12: &usize;         // in scope 5 at $DIR/reference_prop.rs:+13:13: +13:18
+              scope 6 {
+                  debug b => _12;          // in scope 6 at $DIR/reference_prop.rs:+13:13: +13:18
+                  let _15: usize;          // in scope 6 at $DIR/reference_prop.rs:+16:13: +16:14
+                  scope 7 {
+                      debug c => _15;      // in scope 7 at $DIR/reference_prop.rs:+16:13: +16:14
+                  }
+              }
+          }
+      }
+      scope 8 {
+          debug a => _19;                  // in scope 8 at $DIR/reference_prop.rs:+22:13: +22:14
+          let _20: &usize;                 // in scope 8 at $DIR/reference_prop.rs:+23:13: +23:14
+          scope 9 {
+              debug b => _20;              // in scope 9 at $DIR/reference_prop.rs:+23:13: +23:14
+              let _21: &&usize;            // in scope 9 at $DIR/reference_prop.rs:+24:13: +24:14
+              scope 10 {
+                  debug d => _21;          // in scope 10 at $DIR/reference_prop.rs:+24:13: +24:14
+                  let _22: usize;          // in scope 10 at $DIR/reference_prop.rs:+25:13: +25:14
+                  scope 11 {
+                      debug c => _22;      // in scope 11 at $DIR/reference_prop.rs:+25:13: +25:14
+                  }
+              }
+          }
+      }
+      scope 12 {
+          debug a => _26;                  // in scope 12 at $DIR/reference_prop.rs:+31:13: +31:14
+          let mut _27: &usize;             // in scope 12 at $DIR/reference_prop.rs:+32:13: +32:18
+          scope 13 {
+              debug b => _27;              // in scope 13 at $DIR/reference_prop.rs:+32:13: +32:18
+              let _28: *mut &usize;        // in scope 13 at $DIR/reference_prop.rs:+33:13: +33:14
+              scope 14 {
+                  debug d => _28;          // in scope 14 at $DIR/reference_prop.rs:+33:13: +33:14
+                  let _29: usize;          // in scope 14 at $DIR/reference_prop.rs:+34:13: +34:14
+                  scope 15 {
+                      debug c => _29;      // in scope 15 at $DIR/reference_prop.rs:+34:13: +34:14
+                  }
+              }
+          }
+      }
+      scope 16 {
+          debug a => _33;                  // in scope 16 at $DIR/reference_prop.rs:+40:13: +40:14
+          let _34: &usize;                 // in scope 16 at $DIR/reference_prop.rs:+41:13: +41:14
+          scope 17 {
+              debug b => _34;              // in scope 17 at $DIR/reference_prop.rs:+41:13: +41:14
+              let _35: usize;              // in scope 17 at $DIR/reference_prop.rs:+42:13: +42:14
+              scope 18 {
+                  debug c => _35;          // in scope 18 at $DIR/reference_prop.rs:+42:13: +42:14
+              }
+          }
+      }
+      scope 19 {
+          debug a => _39;                  // in scope 19 at $DIR/reference_prop.rs:+48:13: +48:14
+          let _40: &usize;                 // in scope 19 at $DIR/reference_prop.rs:+49:13: +49:15
+          scope 20 {
+              debug b1 => _40;             // in scope 20 at $DIR/reference_prop.rs:+49:13: +49:15
+              let _41: usize;              // in scope 20 at $DIR/reference_prop.rs:+50:13: +50:14
+              scope 21 {
+                  debug c => _41;          // in scope 21 at $DIR/reference_prop.rs:+50:13: +50:14
+                  let _42: &usize;         // in scope 21 at $DIR/reference_prop.rs:+51:13: +51:15
+                  scope 22 {
+                      debug b2 => _42;     // in scope 22 at $DIR/reference_prop.rs:+51:13: +51:15
+                      let _43: usize;      // in scope 22 at $DIR/reference_prop.rs:+52:13: +52:15
+                      scope 23 {
+                          debug c2 => _43; // in scope 23 at $DIR/reference_prop.rs:+52:13: +52:15
+                          let _44: &usize; // in scope 23 at $DIR/reference_prop.rs:+53:13: +53:15
+                          scope 24 {
+                              debug b3 => _44; // in scope 24 at $DIR/reference_prop.rs:+53:13: +53:15
+                          }
+                      }
+                  }
+              }
+          }
+      }
+      scope 25 {
+-         debug a => _48;                  // in scope 25 at $DIR/reference_prop.rs:+61:13: +61:14
++         debug a => _1;                   // in scope 25 at $DIR/reference_prop.rs:+61:13: +61:14
+          let _49: T;                      // in scope 25 at $DIR/reference_prop.rs:+62:13: +62:14
+          scope 26 {
+              debug b => _49;              // in scope 26 at $DIR/reference_prop.rs:+62:13: +62:14
+          }
+      }
+      scope 27 {
+          debug a => _53;                  // in scope 27 at $DIR/reference_prop.rs:+68:13: +68:14
+          let _56: T;                      // in scope 27 at $DIR/reference_prop.rs:+70:13: +70:14
+          scope 28 {
+              debug b => _56;              // in scope 28 at $DIR/reference_prop.rs:+70:13: +70:14
+          }
+      }
+      scope 29 {
+          debug a => _60;                  // in scope 29 at $DIR/reference_prop.rs:+76:13: +76:14
+          let _61: &usize;                 // in scope 29 at $DIR/reference_prop.rs:+77:13: +77:14
+          scope 30 {
+-             debug b => _61;              // in scope 30 at $DIR/reference_prop.rs:+77:13: +77:14
++             debug b => &_60;             // in scope 30 at $DIR/reference_prop.rs:+77:13: +77:14
+              let _62: &&usize;            // in scope 30 at $DIR/reference_prop.rs:+78:13: +78:14
+              scope 31 {
+-                 debug d => _62;          // in scope 31 at $DIR/reference_prop.rs:+78:13: +78:14
++                 debug d => &&_60;        // in scope 31 at $DIR/reference_prop.rs:+78:13: +78:14
+                  let _63: usize;          // in scope 31 at $DIR/reference_prop.rs:+79:13: +79:14
+                  scope 32 {
+                      debug c => _63;      // in scope 32 at $DIR/reference_prop.rs:+79:13: +79:14
+                  }
+              }
+          }
+      }
+      scope 33 {
+          debug a => _66;                  // in scope 33 at $DIR/reference_prop.rs:+85:13: +85:14
+          let mut _67: &usize;             // in scope 33 at $DIR/reference_prop.rs:+86:13: +86:18
+          scope 34 {
+-             debug b => _67;              // in scope 34 at $DIR/reference_prop.rs:+86:13: +86:18
++             debug b => &_66;             // in scope 34 at $DIR/reference_prop.rs:+86:13: +86:18
+              let _68: &mut &usize;        // in scope 34 at $DIR/reference_prop.rs:+87:13: +87:14
+              scope 35 {
+-                 debug d => _68;          // in scope 35 at $DIR/reference_prop.rs:+87:13: +87:14
++                 debug d => &&_66;        // in scope 35 at $DIR/reference_prop.rs:+87:13: +87:14
+                  let _69: usize;          // in scope 35 at $DIR/reference_prop.rs:+88:13: +88:14
+                  scope 36 {
+                      debug c => _69;      // in scope 36 at $DIR/reference_prop.rs:+88:13: +88:14
+                  }
+              }
+          }
+      }
+  
+      bb0: {
+-         StorageLive(_3);                 // scope 0 at $DIR/reference_prop.rs:+2:5: +7:6
+          StorageLive(_4);                 // scope 0 at $DIR/reference_prop.rs:+3:13: +3:14
+          _4 = const 5_usize;              // scope 0 at $DIR/reference_prop.rs:+3:17: +3:24
+-         StorageLive(_5);                 // scope 1 at $DIR/reference_prop.rs:+4:13: +4:14
+-         _5 = &_4;                        // scope 1 at $DIR/reference_prop.rs:+4:17: +4:19
+          StorageLive(_6);                 // scope 2 at $DIR/reference_prop.rs:+5:13: +5:14
+-         _6 = (*_5);                      // scope 2 at $DIR/reference_prop.rs:+5:17: +5:19
++         _6 = _4;                         // scope 2 at $DIR/reference_prop.rs:+5:17: +5:19
+          StorageLive(_7);                 // scope 3 at $DIR/reference_prop.rs:+6:9: +6:19
+          StorageLive(_8);                 // scope 3 at $DIR/reference_prop.rs:+6:16: +6:18
+          _8 = ();                         // scope 3 at $DIR/reference_prop.rs:+6:16: +6:18
+          _7 = opaque::<()>(move _8) -> bb1; // scope 3 at $DIR/reference_prop.rs:+6:9: +6:19
+                                           // mir::Constant
+                                           // + span: $DIR/reference_prop.rs:16:9: 16:15
+                                           // + literal: Const { ty: fn(()) {opaque::<()>}, val: Value(<ZST>) }
+      }
+  
+      bb1: {
+          StorageDead(_8);                 // scope 3 at $DIR/reference_prop.rs:+6:18: +6:19
+          StorageDead(_7);                 // scope 3 at $DIR/reference_prop.rs:+6:19: +6:20
+-         _3 = const ();                   // scope 0 at $DIR/reference_prop.rs:+2:5: +7:6
+          StorageDead(_6);                 // scope 2 at $DIR/reference_prop.rs:+7:5: +7:6
+-         StorageDead(_5);                 // scope 1 at $DIR/reference_prop.rs:+7:5: +7:6
+          StorageDead(_4);                 // scope 0 at $DIR/reference_prop.rs:+7:5: +7:6
+-         StorageDead(_3);                 // scope 0 at $DIR/reference_prop.rs:+7:5: +7:6
+-         StorageLive(_9);                 // scope 0 at $DIR/reference_prop.rs:+10:5: +18:6
+          StorageLive(_10);                // scope 0 at $DIR/reference_prop.rs:+11:13: +11:14
+          _10 = const 5_usize;             // scope 0 at $DIR/reference_prop.rs:+11:17: +11:24
+          StorageLive(_11);                // scope 4 at $DIR/reference_prop.rs:+12:13: +12:15
+          _11 = const 7_usize;             // scope 4 at $DIR/reference_prop.rs:+12:18: +12:25
+          StorageLive(_12);                // scope 5 at $DIR/reference_prop.rs:+13:13: +13:18
+          _12 = &_10;                      // scope 5 at $DIR/reference_prop.rs:+13:21: +13:23
+          StorageLive(_13);                // scope 6 at $DIR/reference_prop.rs:+14:13: +14:16
+-         StorageLive(_14);                // scope 6 at $DIR/reference_prop.rs:+14:13: +14:16
+-         _14 = &_11;                      // scope 6 at $DIR/reference_prop.rs:+14:13: +14:16
+-         _13 = &(*_14);                   // scope 6 at $DIR/reference_prop.rs:+14:13: +14:16
++         _13 = &_11;                      // scope 6 at $DIR/reference_prop.rs:+14:13: +14:16
+          _12 = move _13;                  // scope 6 at $DIR/reference_prop.rs:+14:9: +14:16
+          StorageDead(_13);                // scope 6 at $DIR/reference_prop.rs:+14:15: +14:16
+-         StorageDead(_14);                // scope 6 at $DIR/reference_prop.rs:+14:16: +14:17
+          StorageLive(_15);                // scope 6 at $DIR/reference_prop.rs:+16:13: +16:14
+          _15 = (*_12);                    // scope 6 at $DIR/reference_prop.rs:+16:17: +16:19
+          StorageLive(_16);                // scope 7 at $DIR/reference_prop.rs:+17:9: +17:19
+          StorageLive(_17);                // scope 7 at $DIR/reference_prop.rs:+17:16: +17:18
+          _17 = ();                        // scope 7 at $DIR/reference_prop.rs:+17:16: +17:18
+          _16 = opaque::<()>(move _17) -> bb2; // scope 7 at $DIR/reference_prop.rs:+17:9: +17:19
+                                           // mir::Constant
+                                           // + span: $DIR/reference_prop.rs:27:9: 27:15
+                                           // + literal: Const { ty: fn(()) {opaque::<()>}, val: Value(<ZST>) }
+      }
+  
+      bb2: {
+          StorageDead(_17);                // scope 7 at $DIR/reference_prop.rs:+17:18: +17:19
+          StorageDead(_16);                // scope 7 at $DIR/reference_prop.rs:+17:19: +17:20
+-         _9 = const ();                   // scope 0 at $DIR/reference_prop.rs:+10:5: +18:6
+          StorageDead(_15);                // scope 6 at $DIR/reference_prop.rs:+18:5: +18:6
+          StorageDead(_12);                // scope 5 at $DIR/reference_prop.rs:+18:5: +18:6
+          StorageDead(_11);                // scope 4 at $DIR/reference_prop.rs:+18:5: +18:6
+          StorageDead(_10);                // scope 0 at $DIR/reference_prop.rs:+18:5: +18:6
+-         StorageDead(_9);                 // scope 0 at $DIR/reference_prop.rs:+18:5: +18:6
+-         StorageLive(_18);                // scope 0 at $DIR/reference_prop.rs:+21:5: +27:6
+          StorageLive(_19);                // scope 0 at $DIR/reference_prop.rs:+22:13: +22:14
+          _19 = const 5_usize;             // scope 0 at $DIR/reference_prop.rs:+22:17: +22:24
+          StorageLive(_20);                // scope 8 at $DIR/reference_prop.rs:+23:13: +23:14
+          _20 = &_19;                      // scope 8 at $DIR/reference_prop.rs:+23:17: +23:19
+          StorageLive(_21);                // scope 9 at $DIR/reference_prop.rs:+24:13: +24:14
+          _21 = &_20;                      // scope 9 at $DIR/reference_prop.rs:+24:17: +24:19
+          StorageLive(_22);                // scope 10 at $DIR/reference_prop.rs:+25:13: +25:14
+          _22 = (*_20);                    // scope 10 at $DIR/reference_prop.rs:+25:17: +25:19
+          StorageLive(_23);                // scope 11 at $DIR/reference_prop.rs:+26:9: +26:18
+          StorageLive(_24);                // scope 11 at $DIR/reference_prop.rs:+26:16: +26:17
+          _24 = _21;                       // scope 11 at $DIR/reference_prop.rs:+26:16: +26:17
+          _23 = opaque::<&&usize>(move _24) -> bb3; // scope 11 at $DIR/reference_prop.rs:+26:9: +26:18
+                                           // mir::Constant
+                                           // + span: $DIR/reference_prop.rs:36:9: 36:15
+                                           // + literal: Const { ty: fn(&&usize) {opaque::<&&usize>}, val: Value(<ZST>) }
+      }
+  
+      bb3: {
+          StorageDead(_24);                // scope 11 at $DIR/reference_prop.rs:+26:17: +26:18
+          StorageDead(_23);                // scope 11 at $DIR/reference_prop.rs:+26:18: +26:19
+-         _18 = const ();                  // scope 0 at $DIR/reference_prop.rs:+21:5: +27:6
+          StorageDead(_22);                // scope 10 at $DIR/reference_prop.rs:+27:5: +27:6
+          StorageDead(_21);                // scope 9 at $DIR/reference_prop.rs:+27:5: +27:6
+          StorageDead(_20);                // scope 8 at $DIR/reference_prop.rs:+27:5: +27:6
+          StorageDead(_19);                // scope 0 at $DIR/reference_prop.rs:+27:5: +27:6
+-         StorageDead(_18);                // scope 0 at $DIR/reference_prop.rs:+27:5: +27:6
+-         StorageLive(_25);                // scope 0 at $DIR/reference_prop.rs:+30:5: +36:6
+          StorageLive(_26);                // scope 0 at $DIR/reference_prop.rs:+31:13: +31:14
+          _26 = const 5_usize;             // scope 0 at $DIR/reference_prop.rs:+31:17: +31:24
+          StorageLive(_27);                // scope 12 at $DIR/reference_prop.rs:+32:13: +32:18
+          _27 = &_26;                      // scope 12 at $DIR/reference_prop.rs:+32:21: +32:23
+          StorageLive(_28);                // scope 13 at $DIR/reference_prop.rs:+33:13: +33:14
+          _28 = &raw mut _27;              // scope 13 at $DIR/reference_prop.rs:+33:17: +33:27
+          StorageLive(_29);                // scope 14 at $DIR/reference_prop.rs:+34:13: +34:14
+          _29 = (*_27);                    // scope 14 at $DIR/reference_prop.rs:+34:17: +34:19
+          StorageLive(_30);                // scope 15 at $DIR/reference_prop.rs:+35:9: +35:18
+          StorageLive(_31);                // scope 15 at $DIR/reference_prop.rs:+35:16: +35:17
+          _31 = _28;                       // scope 15 at $DIR/reference_prop.rs:+35:16: +35:17
+          _30 = opaque::<*mut &usize>(move _31) -> bb4; // scope 15 at $DIR/reference_prop.rs:+35:9: +35:18
+                                           // mir::Constant
+                                           // + span: $DIR/reference_prop.rs:45:9: 45:15
+                                           // + literal: Const { ty: fn(*mut &usize) {opaque::<*mut &usize>}, val: Value(<ZST>) }
+      }
+  
+      bb4: {
+          StorageDead(_31);                // scope 15 at $DIR/reference_prop.rs:+35:17: +35:18
+          StorageDead(_30);                // scope 15 at $DIR/reference_prop.rs:+35:18: +35:19
+-         _25 = const ();                  // scope 0 at $DIR/reference_prop.rs:+30:5: +36:6
+          StorageDead(_29);                // scope 14 at $DIR/reference_prop.rs:+36:5: +36:6
+          StorageDead(_28);                // scope 13 at $DIR/reference_prop.rs:+36:5: +36:6
+          StorageDead(_27);                // scope 12 at $DIR/reference_prop.rs:+36:5: +36:6
+          StorageDead(_26);                // scope 0 at $DIR/reference_prop.rs:+36:5: +36:6
+-         StorageDead(_25);                // scope 0 at $DIR/reference_prop.rs:+36:5: +36:6
+-         StorageLive(_32);                // scope 0 at $DIR/reference_prop.rs:+39:5: +44:6
+          StorageLive(_33);                // scope 0 at $DIR/reference_prop.rs:+40:13: +40:14
+          _33 = const 7_usize;             // scope 0 at $DIR/reference_prop.rs:+40:17: +40:24
+          StorageLive(_34);                // scope 16 at $DIR/reference_prop.rs:+41:13: +41:14
+          _34 = &_33;                      // scope 16 at $DIR/reference_prop.rs:+41:17: +41:19
+          StorageLive(_35);                // scope 17 at $DIR/reference_prop.rs:+42:13: +42:14
+-         _35 = (*_34);                    // scope 17 at $DIR/reference_prop.rs:+42:17: +42:19
++         _35 = _33;                       // scope 17 at $DIR/reference_prop.rs:+42:17: +42:19
+          StorageLive(_36);                // scope 18 at $DIR/reference_prop.rs:+43:9: +43:18
+          StorageLive(_37);                // scope 18 at $DIR/reference_prop.rs:+43:16: +43:17
+          _37 = _34;                       // scope 18 at $DIR/reference_prop.rs:+43:16: +43:17
+          _36 = opaque::<&usize>(move _37) -> bb5; // scope 18 at $DIR/reference_prop.rs:+43:9: +43:18
+                                           // mir::Constant
+                                           // + span: $DIR/reference_prop.rs:53:9: 53:15
+                                           // + literal: Const { ty: fn(&usize) {opaque::<&usize>}, val: Value(<ZST>) }
+      }
+  
+      bb5: {
+          StorageDead(_37);                // scope 18 at $DIR/reference_prop.rs:+43:17: +43:18
+          StorageDead(_36);                // scope 18 at $DIR/reference_prop.rs:+43:18: +43:19
+-         _32 = const ();                  // scope 0 at $DIR/reference_prop.rs:+39:5: +44:6
+          StorageDead(_35);                // scope 17 at $DIR/reference_prop.rs:+44:5: +44:6
+          StorageDead(_34);                // scope 16 at $DIR/reference_prop.rs:+44:5: +44:6
+          StorageDead(_33);                // scope 0 at $DIR/reference_prop.rs:+44:5: +44:6
+-         StorageDead(_32);                // scope 0 at $DIR/reference_prop.rs:+44:5: +44:6
+-         StorageLive(_38);                // scope 0 at $DIR/reference_prop.rs:+47:5: +57:6
+          StorageLive(_39);                // scope 0 at $DIR/reference_prop.rs:+48:13: +48:14
+          _39 = const 7_usize;             // scope 0 at $DIR/reference_prop.rs:+48:17: +48:24
+          StorageLive(_40);                // scope 19 at $DIR/reference_prop.rs:+49:13: +49:15
+          _40 = &_39;                      // scope 19 at $DIR/reference_prop.rs:+49:18: +49:20
+          StorageLive(_41);                // scope 20 at $DIR/reference_prop.rs:+50:13: +50:14
+-         _41 = (*_40);                    // scope 20 at $DIR/reference_prop.rs:+50:17: +50:20
++         _41 = _39;                       // scope 20 at $DIR/reference_prop.rs:+50:17: +50:20
+          StorageLive(_42);                // scope 21 at $DIR/reference_prop.rs:+51:13: +51:15
+          _42 = _40;                       // scope 21 at $DIR/reference_prop.rs:+51:18: +51:20
+          StorageLive(_43);                // scope 22 at $DIR/reference_prop.rs:+52:13: +52:15
+-         _43 = (*_42);                    // scope 22 at $DIR/reference_prop.rs:+52:18: +52:21
++         _43 = _39;                       // scope 22 at $DIR/reference_prop.rs:+52:18: +52:21
+          StorageLive(_44);                // scope 23 at $DIR/reference_prop.rs:+53:13: +53:15
+          _44 = _42;                       // scope 23 at $DIR/reference_prop.rs:+53:18: +53:20
+          StorageLive(_45);                // scope 24 at $DIR/reference_prop.rs:+56:9: +56:19
+          StorageLive(_46);                // scope 24 at $DIR/reference_prop.rs:+56:16: +56:18
+          _46 = _44;                       // scope 24 at $DIR/reference_prop.rs:+56:16: +56:18
+          _45 = opaque::<&usize>(move _46) -> bb6; // scope 24 at $DIR/reference_prop.rs:+56:9: +56:19
+                                           // mir::Constant
+                                           // + span: $DIR/reference_prop.rs:66:9: 66:15
+                                           // + literal: Const { ty: fn(&usize) {opaque::<&usize>}, val: Value(<ZST>) }
+      }
+  
+      bb6: {
+          StorageDead(_46);                // scope 24 at $DIR/reference_prop.rs:+56:18: +56:19
+          StorageDead(_45);                // scope 24 at $DIR/reference_prop.rs:+56:19: +56:20
+-         _38 = const ();                  // scope 0 at $DIR/reference_prop.rs:+47:5: +57:6
+          StorageDead(_44);                // scope 23 at $DIR/reference_prop.rs:+57:5: +57:6
+          StorageDead(_43);                // scope 22 at $DIR/reference_prop.rs:+57:5: +57:6
+          StorageDead(_42);                // scope 21 at $DIR/reference_prop.rs:+57:5: +57:6
+          StorageDead(_41);                // scope 20 at $DIR/reference_prop.rs:+57:5: +57:6
+          StorageDead(_40);                // scope 19 at $DIR/reference_prop.rs:+57:5: +57:6
+          StorageDead(_39);                // scope 0 at $DIR/reference_prop.rs:+57:5: +57:6
+-         StorageDead(_38);                // scope 0 at $DIR/reference_prop.rs:+57:5: +57:6
+-         StorageLive(_47);                // scope 0 at $DIR/reference_prop.rs:+60:5: +64:6
+-         StorageLive(_48);                // scope 0 at $DIR/reference_prop.rs:+61:13: +61:14
+-         _48 = &(*_1);                    // scope 0 at $DIR/reference_prop.rs:+61:17: +61:25
+          StorageLive(_49);                // scope 25 at $DIR/reference_prop.rs:+62:13: +62:14
+-         _49 = (*_48);                    // scope 25 at $DIR/reference_prop.rs:+62:17: +62:19
++         _49 = (*_1);                     // scope 25 at $DIR/reference_prop.rs:+62:17: +62:19
+          StorageLive(_50);                // scope 26 at $DIR/reference_prop.rs:+63:9: +63:19
+          StorageLive(_51);                // scope 26 at $DIR/reference_prop.rs:+63:16: +63:18
+          _51 = ();                        // scope 26 at $DIR/reference_prop.rs:+63:16: +63:18
+          _50 = opaque::<()>(move _51) -> bb7; // scope 26 at $DIR/reference_prop.rs:+63:9: +63:19
+                                           // mir::Constant
+                                           // + span: $DIR/reference_prop.rs:73:9: 73:15
+                                           // + literal: Const { ty: fn(()) {opaque::<()>}, val: Value(<ZST>) }
+      }
+  
+      bb7: {
+          StorageDead(_51);                // scope 26 at $DIR/reference_prop.rs:+63:18: +63:19
+          StorageDead(_50);                // scope 26 at $DIR/reference_prop.rs:+63:19: +63:20
+-         _47 = const ();                  // scope 0 at $DIR/reference_prop.rs:+60:5: +64:6
+          StorageDead(_49);                // scope 25 at $DIR/reference_prop.rs:+64:5: +64:6
+-         StorageDead(_48);                // scope 0 at $DIR/reference_prop.rs:+64:5: +64:6
+-         StorageDead(_47);                // scope 0 at $DIR/reference_prop.rs:+64:5: +64:6
+-         StorageLive(_52);                // scope 0 at $DIR/reference_prop.rs:+67:5: +72:6
+          StorageLive(_53);                // scope 0 at $DIR/reference_prop.rs:+68:13: +68:14
+          _53 = &(*_2);                    // scope 0 at $DIR/reference_prop.rs:+68:17: +68:27
+          StorageLive(_54);                // scope 27 at $DIR/reference_prop.rs:+69:20: +69:28
+-         StorageLive(_55);                // scope 27 at $DIR/reference_prop.rs:+69:20: +69:28
+-         _55 = &(*_1);                    // scope 27 at $DIR/reference_prop.rs:+69:20: +69:28
+-         _54 = &(*_55);                   // scope 27 at $DIR/reference_prop.rs:+69:20: +69:28
++         _54 = &(*_1);                    // scope 27 at $DIR/reference_prop.rs:+69:20: +69:28
+          _2 = move _54;                   // scope 27 at $DIR/reference_prop.rs:+69:9: +69:28
+          StorageDead(_54);                // scope 27 at $DIR/reference_prop.rs:+69:27: +69:28
+-         StorageDead(_55);                // scope 27 at $DIR/reference_prop.rs:+69:28: +69:29
+          StorageLive(_56);                // scope 27 at $DIR/reference_prop.rs:+70:13: +70:14
+          _56 = (*_53);                    // scope 27 at $DIR/reference_prop.rs:+70:17: +70:19
+          StorageLive(_57);                // scope 28 at $DIR/reference_prop.rs:+71:9: +71:19
+          StorageLive(_58);                // scope 28 at $DIR/reference_prop.rs:+71:16: +71:18
+          _58 = ();                        // scope 28 at $DIR/reference_prop.rs:+71:16: +71:18
+          _57 = opaque::<()>(move _58) -> bb8; // scope 28 at $DIR/reference_prop.rs:+71:9: +71:19
+                                           // mir::Constant
+                                           // + span: $DIR/reference_prop.rs:81:9: 81:15
+                                           // + literal: Const { ty: fn(()) {opaque::<()>}, val: Value(<ZST>) }
+      }
+  
+      bb8: {
+          StorageDead(_58);                // scope 28 at $DIR/reference_prop.rs:+71:18: +71:19
+          StorageDead(_57);                // scope 28 at $DIR/reference_prop.rs:+71:19: +71:20
+-         _52 = const ();                  // scope 0 at $DIR/reference_prop.rs:+67:5: +72:6
+          StorageDead(_56);                // scope 27 at $DIR/reference_prop.rs:+72:5: +72:6
+          StorageDead(_53);                // scope 0 at $DIR/reference_prop.rs:+72:5: +72:6
+-         StorageDead(_52);                // scope 0 at $DIR/reference_prop.rs:+72:5: +72:6
+-         StorageLive(_59);                // scope 0 at $DIR/reference_prop.rs:+75:5: +81:6
+          StorageLive(_60);                // scope 0 at $DIR/reference_prop.rs:+76:13: +76:14
+          _60 = const 5_usize;             // scope 0 at $DIR/reference_prop.rs:+76:17: +76:24
+-         StorageLive(_61);                // scope 29 at $DIR/reference_prop.rs:+77:13: +77:14
+-         _61 = &_60;                      // scope 29 at $DIR/reference_prop.rs:+77:17: +77:19
+-         StorageLive(_62);                // scope 30 at $DIR/reference_prop.rs:+78:13: +78:14
+-         _62 = &_61;                      // scope 30 at $DIR/reference_prop.rs:+78:17: +78:19
+          StorageLive(_63);                // scope 31 at $DIR/reference_prop.rs:+79:13: +79:14
+-         _63 = (*_61);                    // scope 31 at $DIR/reference_prop.rs:+79:17: +79:19
++         _63 = _60;                       // scope 31 at $DIR/reference_prop.rs:+79:17: +79:19
+          StorageLive(_64);                // scope 32 at $DIR/reference_prop.rs:+80:9: +80:19
+          StorageLive(_65);                // scope 32 at $DIR/reference_prop.rs:+80:16: +80:18
+          _65 = ();                        // scope 32 at $DIR/reference_prop.rs:+80:16: +80:18
+          _64 = opaque::<()>(move _65) -> bb9; // scope 32 at $DIR/reference_prop.rs:+80:9: +80:19
+                                           // mir::Constant
+                                           // + span: $DIR/reference_prop.rs:90:9: 90:15
+                                           // + literal: Const { ty: fn(()) {opaque::<()>}, val: Value(<ZST>) }
+      }
+  
+      bb9: {
+          StorageDead(_65);                // scope 32 at $DIR/reference_prop.rs:+80:18: +80:19
+          StorageDead(_64);                // scope 32 at $DIR/reference_prop.rs:+80:19: +80:20
+-         _59 = const ();                  // scope 0 at $DIR/reference_prop.rs:+75:5: +81:6
+          StorageDead(_63);                // scope 31 at $DIR/reference_prop.rs:+81:5: +81:6
+-         StorageDead(_62);                // scope 30 at $DIR/reference_prop.rs:+81:5: +81:6
+-         StorageDead(_61);                // scope 29 at $DIR/reference_prop.rs:+81:5: +81:6
+          StorageDead(_60);                // scope 0 at $DIR/reference_prop.rs:+81:5: +81:6
+-         StorageDead(_59);                // scope 0 at $DIR/reference_prop.rs:+81:5: +81:6
+          StorageLive(_66);                // scope 0 at $DIR/reference_prop.rs:+85:13: +85:14
+          _66 = const 5_usize;             // scope 0 at $DIR/reference_prop.rs:+85:17: +85:24
+-         StorageLive(_67);                // scope 33 at $DIR/reference_prop.rs:+86:13: +86:18
+-         _67 = &_66;                      // scope 33 at $DIR/reference_prop.rs:+86:21: +86:23
+-         StorageLive(_68);                // scope 34 at $DIR/reference_prop.rs:+87:13: +87:14
+-         _68 = &mut _67;                  // scope 34 at $DIR/reference_prop.rs:+87:17: +87:23
+          StorageLive(_69);                // scope 35 at $DIR/reference_prop.rs:+88:13: +88:14
+-         _69 = (*_67);                    // scope 35 at $DIR/reference_prop.rs:+88:17: +88:19
++         _69 = _66;                       // scope 35 at $DIR/reference_prop.rs:+88:17: +88:19
+          StorageLive(_70);                // scope 36 at $DIR/reference_prop.rs:+89:9: +89:19
+          StorageLive(_71);                // scope 36 at $DIR/reference_prop.rs:+89:16: +89:18
+          _71 = ();                        // scope 36 at $DIR/reference_prop.rs:+89:16: +89:18
+          _70 = opaque::<()>(move _71) -> bb10; // scope 36 at $DIR/reference_prop.rs:+89:9: +89:19
+                                           // mir::Constant
+                                           // + span: $DIR/reference_prop.rs:99:9: 99:15
+                                           // + literal: Const { ty: fn(()) {opaque::<()>}, val: Value(<ZST>) }
+      }
+  
+      bb10: {
+          StorageDead(_71);                // scope 36 at $DIR/reference_prop.rs:+89:18: +89:19
+          StorageDead(_70);                // scope 36 at $DIR/reference_prop.rs:+89:19: +89:20
+          _0 = const ();                   // scope 0 at $DIR/reference_prop.rs:+84:5: +90:6
+          StorageDead(_69);                // scope 35 at $DIR/reference_prop.rs:+90:5: +90:6
+-         StorageDead(_68);                // scope 34 at $DIR/reference_prop.rs:+90:5: +90:6
+-         StorageDead(_67);                // scope 33 at $DIR/reference_prop.rs:+90:5: +90:6
+          StorageDead(_66);                // scope 0 at $DIR/reference_prop.rs:+90:5: +90:6
+          return;                          // scope 0 at $DIR/reference_prop.rs:+91:2: +91:2
+      }
+  }
+  
diff --git a/tests/mir-opt/reference_prop.reference_propagation_const_ptr.ReferencePropagation.diff b/tests/mir-opt/reference_prop.reference_propagation_const_ptr.ReferencePropagation.diff
new file mode 100644
index 00000000000..ddeb04e50c7
--- /dev/null
+++ b/tests/mir-opt/reference_prop.reference_propagation_const_ptr.ReferencePropagation.diff
@@ -0,0 +1,536 @@
+- // MIR for `reference_propagation_const_ptr` before ReferencePropagation
++ // MIR for `reference_propagation_const_ptr` after ReferencePropagation
+  
+  fn reference_propagation_const_ptr(_1: *const T, _2: *const T) -> () {
+      debug single => _1;                  // in scope 0 at $DIR/reference_prop.rs:+0:45: +0:51
+      debug multiple => _2;                // in scope 0 at $DIR/reference_prop.rs:+0:63: +0:75
+      let mut _0: ();                      // return place in scope 0 at $DIR/reference_prop.rs:+0:87: +0:87
+      let _3: ();                          // in scope 0 at $DIR/reference_prop.rs:+2:5: +7:6
+      let _7: ();                          // in scope 0 at $DIR/reference_prop.rs:+6:9: +6:19
+      let mut _8: ();                      // in scope 0 at $DIR/reference_prop.rs:+6:16: +6:18
+      let _9: ();                          // in scope 0 at $DIR/reference_prop.rs:+10:5: +18:6
+      let mut _13: *const usize;           // in scope 0 at $DIR/reference_prop.rs:+14:13: +14:26
+      let _15: ();                         // in scope 0 at $DIR/reference_prop.rs:+17:9: +17:19
+      let mut _16: ();                     // in scope 0 at $DIR/reference_prop.rs:+17:16: +17:18
+      let _17: ();                         // in scope 0 at $DIR/reference_prop.rs:+21:5: +27:6
+      let _22: ();                         // in scope 0 at $DIR/reference_prop.rs:+26:9: +26:18
+      let mut _23: &*const usize;          // in scope 0 at $DIR/reference_prop.rs:+26:16: +26:17
+      let _24: ();                         // in scope 0 at $DIR/reference_prop.rs:+30:5: +36:6
+      let _29: ();                         // in scope 0 at $DIR/reference_prop.rs:+35:9: +35:18
+      let mut _30: *mut *const usize;      // in scope 0 at $DIR/reference_prop.rs:+35:16: +35:17
+      let _31: ();                         // in scope 0 at $DIR/reference_prop.rs:+39:5: +44:6
+      let _35: ();                         // in scope 0 at $DIR/reference_prop.rs:+43:9: +43:18
+      let mut _36: *const usize;           // in scope 0 at $DIR/reference_prop.rs:+43:16: +43:17
+      let _37: ();                         // in scope 0 at $DIR/reference_prop.rs:+47:5: +57:6
+      let _44: ();                         // in scope 0 at $DIR/reference_prop.rs:+56:9: +56:19
+      let mut _45: *const usize;           // in scope 0 at $DIR/reference_prop.rs:+56:16: +56:18
+      let _46: ();                         // in scope 0 at $DIR/reference_prop.rs:+60:5: +64:6
+      let _49: ();                         // in scope 0 at $DIR/reference_prop.rs:+63:9: +63:19
+      let mut _50: ();                     // in scope 0 at $DIR/reference_prop.rs:+63:16: +63:18
+      let _51: ();                         // in scope 0 at $DIR/reference_prop.rs:+67:5: +72:6
+      let mut _53: *const T;               // in scope 0 at $DIR/reference_prop.rs:+69:20: +69:38
+      let _55: ();                         // in scope 0 at $DIR/reference_prop.rs:+71:9: +71:19
+      let mut _56: ();                     // in scope 0 at $DIR/reference_prop.rs:+71:16: +71:18
+      let _57: ();                         // in scope 0 at $DIR/reference_prop.rs:+75:5: +81:6
+      let _62: ();                         // in scope 0 at $DIR/reference_prop.rs:+80:9: +80:19
+      let mut _63: ();                     // in scope 0 at $DIR/reference_prop.rs:+80:16: +80:18
+      let _64: ();                         // in scope 0 at $DIR/reference_prop.rs:+84:5: +90:6
+      let _69: ();                         // in scope 0 at $DIR/reference_prop.rs:+89:9: +89:19
+      let mut _70: ();                     // in scope 0 at $DIR/reference_prop.rs:+89:16: +89:18
+      let _75: ();                         // in scope 0 at $DIR/reference_prop.rs:+98:9: +98:19
+      let mut _76: ();                     // in scope 0 at $DIR/reference_prop.rs:+98:16: +98:18
+      scope 1 {
+          let _4: usize;                   // in scope 1 at $DIR/reference_prop.rs:+3:13: +3:14
+          scope 2 {
+              debug a => _4;               // in scope 2 at $DIR/reference_prop.rs:+3:13: +3:14
+              let _5: *const usize;        // in scope 2 at $DIR/reference_prop.rs:+4:13: +4:14
+              scope 3 {
+-                 debug b => _5;           // in scope 3 at $DIR/reference_prop.rs:+4:13: +4:14
++                 debug b => &_4;          // in scope 3 at $DIR/reference_prop.rs:+4:13: +4:14
+                  let _6: usize;           // in scope 3 at $DIR/reference_prop.rs:+5:13: +5:14
+                  scope 4 {
+                      debug c => _6;       // in scope 4 at $DIR/reference_prop.rs:+5:13: +5:14
+                  }
+              }
+          }
+      }
+      scope 5 {
+          let _10: usize;                  // in scope 5 at $DIR/reference_prop.rs:+11:13: +11:14
+          scope 6 {
+              debug a => _10;              // in scope 6 at $DIR/reference_prop.rs:+11:13: +11:14
+              let _11: usize;              // in scope 6 at $DIR/reference_prop.rs:+12:13: +12:15
+              scope 7 {
+                  debug a2 => _11;         // in scope 7 at $DIR/reference_prop.rs:+12:13: +12:15
+                  let mut _12: *const usize; // in scope 7 at $DIR/reference_prop.rs:+13:13: +13:18
+                  scope 8 {
+                      debug b => _12;      // in scope 8 at $DIR/reference_prop.rs:+13:13: +13:18
+                      let _14: usize;      // in scope 8 at $DIR/reference_prop.rs:+16:13: +16:14
+                      scope 9 {
+                          debug c => _14;  // in scope 9 at $DIR/reference_prop.rs:+16:13: +16:14
+                      }
+                  }
+              }
+          }
+      }
+      scope 10 {
+          let _18: usize;                  // in scope 10 at $DIR/reference_prop.rs:+22:13: +22:14
+          scope 11 {
+              debug a => _18;              // in scope 11 at $DIR/reference_prop.rs:+22:13: +22:14
+              let _19: *const usize;       // in scope 11 at $DIR/reference_prop.rs:+23:13: +23:14
+              scope 12 {
+                  debug b => _19;          // in scope 12 at $DIR/reference_prop.rs:+23:13: +23:14
+                  let _20: &*const usize;  // in scope 12 at $DIR/reference_prop.rs:+24:13: +24:14
+                  scope 13 {
+                      debug d => _20;      // in scope 13 at $DIR/reference_prop.rs:+24:13: +24:14
+                      let _21: usize;      // in scope 13 at $DIR/reference_prop.rs:+25:13: +25:14
+                      scope 14 {
+                          debug c => _21;  // in scope 14 at $DIR/reference_prop.rs:+25:13: +25:14
+                      }
+                  }
+              }
+          }
+      }
+      scope 15 {
+          let _25: usize;                  // in scope 15 at $DIR/reference_prop.rs:+31:13: +31:14
+          scope 16 {
+              debug a => _25;              // in scope 16 at $DIR/reference_prop.rs:+31:13: +31:14
+              let mut _26: *const usize;   // in scope 16 at $DIR/reference_prop.rs:+32:13: +32:18
+              scope 17 {
+                  debug b => _26;          // in scope 17 at $DIR/reference_prop.rs:+32:13: +32:18
+                  let _27: *mut *const usize; // in scope 17 at $DIR/reference_prop.rs:+33:13: +33:14
+                  scope 18 {
+                      debug d => _27;      // in scope 18 at $DIR/reference_prop.rs:+33:13: +33:14
+                      let _28: usize;      // in scope 18 at $DIR/reference_prop.rs:+34:13: +34:14
+                      scope 19 {
+                          debug c => _28;  // in scope 19 at $DIR/reference_prop.rs:+34:13: +34:14
+                      }
+                  }
+              }
+          }
+      }
+      scope 20 {
+          let _32: usize;                  // in scope 20 at $DIR/reference_prop.rs:+40:13: +40:14
+          scope 21 {
+              debug a => _32;              // in scope 21 at $DIR/reference_prop.rs:+40:13: +40:14
+              let _33: *const usize;       // in scope 21 at $DIR/reference_prop.rs:+41:13: +41:14
+              scope 22 {
+                  debug b => _33;          // in scope 22 at $DIR/reference_prop.rs:+41:13: +41:14
+                  let _34: usize;          // in scope 22 at $DIR/reference_prop.rs:+42:13: +42:14
+                  scope 23 {
+                      debug c => _34;      // in scope 23 at $DIR/reference_prop.rs:+42:13: +42:14
+                  }
+              }
+          }
+      }
+      scope 24 {
+          let _38: usize;                  // in scope 24 at $DIR/reference_prop.rs:+48:13: +48:14
+          scope 25 {
+              debug a => _38;              // in scope 25 at $DIR/reference_prop.rs:+48:13: +48:14
+              let _39: *const usize;       // in scope 25 at $DIR/reference_prop.rs:+49:13: +49:15
+              scope 26 {
+                  debug b1 => _39;         // in scope 26 at $DIR/reference_prop.rs:+49:13: +49:15
+                  let _40: usize;          // in scope 26 at $DIR/reference_prop.rs:+50:13: +50:14
+                  scope 27 {
+                      debug c => _40;      // in scope 27 at $DIR/reference_prop.rs:+50:13: +50:14
+                      let _41: *const usize; // in scope 27 at $DIR/reference_prop.rs:+51:13: +51:15
+                      scope 28 {
+                          debug b2 => _41; // in scope 28 at $DIR/reference_prop.rs:+51:13: +51:15
+                          let _42: usize;  // in scope 28 at $DIR/reference_prop.rs:+52:13: +52:15
+                          scope 29 {
+                              debug c2 => _42; // in scope 29 at $DIR/reference_prop.rs:+52:13: +52:15
+                              let _43: *const usize; // in scope 29 at $DIR/reference_prop.rs:+53:13: +53:15
+                              scope 30 {
+                                  debug b3 => _43; // in scope 30 at $DIR/reference_prop.rs:+53:13: +53:15
+                              }
+                          }
+                      }
+                  }
+              }
+          }
+      }
+      scope 31 {
+          let _47: *const T;               // in scope 31 at $DIR/reference_prop.rs:+61:13: +61:14
+          scope 32 {
+-             debug a => _47;              // in scope 32 at $DIR/reference_prop.rs:+61:13: +61:14
++             debug a => _1;               // in scope 32 at $DIR/reference_prop.rs:+61:13: +61:14
+              let _48: T;                  // in scope 32 at $DIR/reference_prop.rs:+62:13: +62:14
+              scope 33 {
+                  debug b => _48;          // in scope 33 at $DIR/reference_prop.rs:+62:13: +62:14
+              }
+          }
+      }
+      scope 34 {
+          let _52: *const T;               // in scope 34 at $DIR/reference_prop.rs:+68:13: +68:14
+          scope 35 {
+              debug a => _52;              // in scope 35 at $DIR/reference_prop.rs:+68:13: +68:14
+              let _54: T;                  // in scope 35 at $DIR/reference_prop.rs:+70:13: +70:14
+              scope 36 {
+                  debug b => _54;          // in scope 36 at $DIR/reference_prop.rs:+70:13: +70:14
+              }
+          }
+      }
+      scope 37 {
+          let _58: usize;                  // in scope 37 at $DIR/reference_prop.rs:+76:13: +76:14
+          scope 38 {
+              debug a => _58;              // in scope 38 at $DIR/reference_prop.rs:+76:13: +76:14
+              let _59: *const usize;       // in scope 38 at $DIR/reference_prop.rs:+77:13: +77:14
+              scope 39 {
+-                 debug b => _59;          // in scope 39 at $DIR/reference_prop.rs:+77:13: +77:14
++                 debug b => &_58;         // in scope 39 at $DIR/reference_prop.rs:+77:13: +77:14
+                  let _60: *const usize;   // in scope 39 at $DIR/reference_prop.rs:+78:13: +78:14
+                  scope 40 {
+-                     debug c => _60;      // in scope 40 at $DIR/reference_prop.rs:+78:13: +78:14
++                     debug c => &_58;     // in scope 40 at $DIR/reference_prop.rs:+78:13: +78:14
+                      let _61: usize;      // in scope 40 at $DIR/reference_prop.rs:+79:13: +79:14
+                      scope 41 {
+                          debug e => _61;  // in scope 41 at $DIR/reference_prop.rs:+79:13: +79:14
+                      }
+                  }
+              }
+          }
+      }
+      scope 42 {
+          let _65: usize;                  // in scope 42 at $DIR/reference_prop.rs:+85:13: +85:14
+          scope 43 {
+              debug a => _65;              // in scope 43 at $DIR/reference_prop.rs:+85:13: +85:14
+              let _66: *const usize;       // in scope 43 at $DIR/reference_prop.rs:+86:13: +86:14
+              scope 44 {
+-                 debug b => _66;          // in scope 44 at $DIR/reference_prop.rs:+86:13: +86:14
++                 debug b => &_65;         // in scope 44 at $DIR/reference_prop.rs:+86:13: +86:14
+                  let _67: &*const usize;  // in scope 44 at $DIR/reference_prop.rs:+87:13: +87:14
+                  scope 45 {
+-                     debug d => _67;      // in scope 45 at $DIR/reference_prop.rs:+87:13: +87:14
++                     debug d => &&_65;    // in scope 45 at $DIR/reference_prop.rs:+87:13: +87:14
+                      let _68: usize;      // in scope 45 at $DIR/reference_prop.rs:+88:13: +88:14
+                      scope 46 {
+                          debug c => _68;  // in scope 46 at $DIR/reference_prop.rs:+88:13: +88:14
+                      }
+                  }
+              }
+          }
+      }
+      scope 47 {
+          let _71: usize;                  // in scope 47 at $DIR/reference_prop.rs:+94:13: +94:14
+          scope 48 {
+              debug a => _71;              // in scope 48 at $DIR/reference_prop.rs:+94:13: +94:14
+              let mut _72: *const usize;   // in scope 48 at $DIR/reference_prop.rs:+95:13: +95:18
+              scope 49 {
+-                 debug b => _72;          // in scope 49 at $DIR/reference_prop.rs:+95:13: +95:18
++                 debug b => &_71;         // in scope 49 at $DIR/reference_prop.rs:+95:13: +95:18
+                  let _73: &mut *const usize; // in scope 49 at $DIR/reference_prop.rs:+96:13: +96:14
+                  scope 50 {
+-                     debug d => _73;      // in scope 50 at $DIR/reference_prop.rs:+96:13: +96:14
++                     debug d => &&_71;    // in scope 50 at $DIR/reference_prop.rs:+96:13: +96:14
+                      let _74: usize;      // in scope 50 at $DIR/reference_prop.rs:+97:13: +97:14
+                      scope 51 {
+                          debug c => _74;  // in scope 51 at $DIR/reference_prop.rs:+97:13: +97:14
+                      }
+                  }
+              }
+          }
+      }
+  
+      bb0: {
+-         StorageLive(_3);                 // scope 0 at $DIR/reference_prop.rs:+2:5: +7:6
+          StorageLive(_4);                 // scope 1 at $DIR/reference_prop.rs:+3:13: +3:14
+          _4 = const 5_usize;              // scope 1 at $DIR/reference_prop.rs:+3:17: +3:24
+-         StorageLive(_5);                 // scope 2 at $DIR/reference_prop.rs:+4:13: +4:14
+-         _5 = &raw const _4;              // scope 2 at $DIR/reference_prop.rs:+4:17: +4:29
+          StorageLive(_6);                 // scope 3 at $DIR/reference_prop.rs:+5:13: +5:14
+-         _6 = (*_5);                      // scope 3 at $DIR/reference_prop.rs:+5:17: +5:19
++         _6 = _4;                         // scope 3 at $DIR/reference_prop.rs:+5:17: +5:19
+          StorageLive(_7);                 // scope 4 at $DIR/reference_prop.rs:+6:9: +6:19
+          StorageLive(_8);                 // scope 4 at $DIR/reference_prop.rs:+6:16: +6:18
+          _8 = ();                         // scope 4 at $DIR/reference_prop.rs:+6:16: +6:18
+          _7 = opaque::<()>(move _8) -> bb1; // scope 4 at $DIR/reference_prop.rs:+6:9: +6:19
+                                           // mir::Constant
+                                           // + span: $DIR/reference_prop.rs:202:9: 202:15
+                                           // + literal: Const { ty: fn(()) {opaque::<()>}, val: Value(<ZST>) }
+      }
+  
+      bb1: {
+          StorageDead(_8);                 // scope 4 at $DIR/reference_prop.rs:+6:18: +6:19
+          StorageDead(_7);                 // scope 4 at $DIR/reference_prop.rs:+6:19: +6:20
+-         _3 = const ();                   // scope 1 at $DIR/reference_prop.rs:+2:5: +7:6
+          StorageDead(_6);                 // scope 3 at $DIR/reference_prop.rs:+7:5: +7:6
+-         StorageDead(_5);                 // scope 2 at $DIR/reference_prop.rs:+7:5: +7:6
+          StorageDead(_4);                 // scope 1 at $DIR/reference_prop.rs:+7:5: +7:6
+-         StorageDead(_3);                 // scope 0 at $DIR/reference_prop.rs:+7:5: +7:6
+-         StorageLive(_9);                 // scope 0 at $DIR/reference_prop.rs:+10:5: +18:6
+          StorageLive(_10);                // scope 5 at $DIR/reference_prop.rs:+11:13: +11:14
+          _10 = const 5_usize;             // scope 5 at $DIR/reference_prop.rs:+11:17: +11:24
+          StorageLive(_11);                // scope 6 at $DIR/reference_prop.rs:+12:13: +12:15
+          _11 = const 7_usize;             // scope 6 at $DIR/reference_prop.rs:+12:18: +12:25
+          StorageLive(_12);                // scope 7 at $DIR/reference_prop.rs:+13:13: +13:18
+          _12 = &raw const _10;            // scope 7 at $DIR/reference_prop.rs:+13:21: +13:33
+          StorageLive(_13);                // scope 8 at $DIR/reference_prop.rs:+14:13: +14:26
+          _13 = &raw const _11;            // scope 8 at $DIR/reference_prop.rs:+14:13: +14:26
+          _12 = move _13;                  // scope 8 at $DIR/reference_prop.rs:+14:9: +14:26
+          StorageDead(_13);                // scope 8 at $DIR/reference_prop.rs:+14:25: +14:26
+          StorageLive(_14);                // scope 8 at $DIR/reference_prop.rs:+16:13: +16:14
+          _14 = (*_12);                    // scope 8 at $DIR/reference_prop.rs:+16:17: +16:19
+          StorageLive(_15);                // scope 9 at $DIR/reference_prop.rs:+17:9: +17:19
+          StorageLive(_16);                // scope 9 at $DIR/reference_prop.rs:+17:16: +17:18
+          _16 = ();                        // scope 9 at $DIR/reference_prop.rs:+17:16: +17:18
+          _15 = opaque::<()>(move _16) -> bb2; // scope 9 at $DIR/reference_prop.rs:+17:9: +17:19
+                                           // mir::Constant
+                                           // + span: $DIR/reference_prop.rs:213:9: 213:15
+                                           // + literal: Const { ty: fn(()) {opaque::<()>}, val: Value(<ZST>) }
+      }
+  
+      bb2: {
+          StorageDead(_16);                // scope 9 at $DIR/reference_prop.rs:+17:18: +17:19
+          StorageDead(_15);                // scope 9 at $DIR/reference_prop.rs:+17:19: +17:20
+-         _9 = const ();                   // scope 5 at $DIR/reference_prop.rs:+10:5: +18:6
+          StorageDead(_14);                // scope 8 at $DIR/reference_prop.rs:+18:5: +18:6
+          StorageDead(_12);                // scope 7 at $DIR/reference_prop.rs:+18:5: +18:6
+          StorageDead(_11);                // scope 6 at $DIR/reference_prop.rs:+18:5: +18:6
+          StorageDead(_10);                // scope 5 at $DIR/reference_prop.rs:+18:5: +18:6
+-         StorageDead(_9);                 // scope 0 at $DIR/reference_prop.rs:+18:5: +18:6
+-         StorageLive(_17);                // scope 0 at $DIR/reference_prop.rs:+21:5: +27:6
+          StorageLive(_18);                // scope 10 at $DIR/reference_prop.rs:+22:13: +22:14
+          _18 = const 5_usize;             // scope 10 at $DIR/reference_prop.rs:+22:17: +22:24
+          StorageLive(_19);                // scope 11 at $DIR/reference_prop.rs:+23:13: +23:14
+          _19 = &raw const _18;            // scope 11 at $DIR/reference_prop.rs:+23:17: +23:29
+          StorageLive(_20);                // scope 12 at $DIR/reference_prop.rs:+24:13: +24:14
+          _20 = &_19;                      // scope 12 at $DIR/reference_prop.rs:+24:17: +24:19
+          StorageLive(_21);                // scope 13 at $DIR/reference_prop.rs:+25:13: +25:14
+          _21 = (*_19);                    // scope 13 at $DIR/reference_prop.rs:+25:17: +25:19
+          StorageLive(_22);                // scope 14 at $DIR/reference_prop.rs:+26:9: +26:18
+          StorageLive(_23);                // scope 14 at $DIR/reference_prop.rs:+26:16: +26:17
+          _23 = _20;                       // scope 14 at $DIR/reference_prop.rs:+26:16: +26:17
+          _22 = opaque::<&*const usize>(move _23) -> bb3; // scope 14 at $DIR/reference_prop.rs:+26:9: +26:18
+                                           // mir::Constant
+                                           // + span: $DIR/reference_prop.rs:222:9: 222:15
+                                           // + literal: Const { ty: fn(&*const usize) {opaque::<&*const usize>}, val: Value(<ZST>) }
+      }
+  
+      bb3: {
+          StorageDead(_23);                // scope 14 at $DIR/reference_prop.rs:+26:17: +26:18
+          StorageDead(_22);                // scope 14 at $DIR/reference_prop.rs:+26:18: +26:19
+-         _17 = const ();                  // scope 10 at $DIR/reference_prop.rs:+21:5: +27:6
+          StorageDead(_21);                // scope 13 at $DIR/reference_prop.rs:+27:5: +27:6
+          StorageDead(_20);                // scope 12 at $DIR/reference_prop.rs:+27:5: +27:6
+          StorageDead(_19);                // scope 11 at $DIR/reference_prop.rs:+27:5: +27:6
+          StorageDead(_18);                // scope 10 at $DIR/reference_prop.rs:+27:5: +27:6
+-         StorageDead(_17);                // scope 0 at $DIR/reference_prop.rs:+27:5: +27:6
+-         StorageLive(_24);                // scope 0 at $DIR/reference_prop.rs:+30:5: +36:6
+          StorageLive(_25);                // scope 15 at $DIR/reference_prop.rs:+31:13: +31:14
+          _25 = const 5_usize;             // scope 15 at $DIR/reference_prop.rs:+31:17: +31:24
+          StorageLive(_26);                // scope 16 at $DIR/reference_prop.rs:+32:13: +32:18
+          _26 = &raw const _25;            // scope 16 at $DIR/reference_prop.rs:+32:21: +32:33
+          StorageLive(_27);                // scope 17 at $DIR/reference_prop.rs:+33:13: +33:14
+          _27 = &raw mut _26;              // scope 17 at $DIR/reference_prop.rs:+33:17: +33:27
+          StorageLive(_28);                // scope 18 at $DIR/reference_prop.rs:+34:13: +34:14
+          _28 = (*_26);                    // scope 18 at $DIR/reference_prop.rs:+34:17: +34:19
+          StorageLive(_29);                // scope 19 at $DIR/reference_prop.rs:+35:9: +35:18
+          StorageLive(_30);                // scope 19 at $DIR/reference_prop.rs:+35:16: +35:17
+          _30 = _27;                       // scope 19 at $DIR/reference_prop.rs:+35:16: +35:17
+          _29 = opaque::<*mut *const usize>(move _30) -> bb4; // scope 19 at $DIR/reference_prop.rs:+35:9: +35:18
+                                           // mir::Constant
+                                           // + span: $DIR/reference_prop.rs:231:9: 231:15
+                                           // + literal: Const { ty: fn(*mut *const usize) {opaque::<*mut *const usize>}, val: Value(<ZST>) }
+      }
+  
+      bb4: {
+          StorageDead(_30);                // scope 19 at $DIR/reference_prop.rs:+35:17: +35:18
+          StorageDead(_29);                // scope 19 at $DIR/reference_prop.rs:+35:18: +35:19
+-         _24 = const ();                  // scope 15 at $DIR/reference_prop.rs:+30:5: +36:6
+          StorageDead(_28);                // scope 18 at $DIR/reference_prop.rs:+36:5: +36:6
+          StorageDead(_27);                // scope 17 at $DIR/reference_prop.rs:+36:5: +36:6
+          StorageDead(_26);                // scope 16 at $DIR/reference_prop.rs:+36:5: +36:6
+          StorageDead(_25);                // scope 15 at $DIR/reference_prop.rs:+36:5: +36:6
+-         StorageDead(_24);                // scope 0 at $DIR/reference_prop.rs:+36:5: +36:6
+-         StorageLive(_31);                // scope 0 at $DIR/reference_prop.rs:+39:5: +44:6
+          StorageLive(_32);                // scope 20 at $DIR/reference_prop.rs:+40:13: +40:14
+          _32 = const 7_usize;             // scope 20 at $DIR/reference_prop.rs:+40:17: +40:24
+          StorageLive(_33);                // scope 21 at $DIR/reference_prop.rs:+41:13: +41:14
+          _33 = &raw const _32;            // scope 21 at $DIR/reference_prop.rs:+41:17: +41:29
+          StorageLive(_34);                // scope 22 at $DIR/reference_prop.rs:+42:13: +42:14
+-         _34 = (*_33);                    // scope 22 at $DIR/reference_prop.rs:+42:17: +42:19
++         _34 = _32;                       // scope 22 at $DIR/reference_prop.rs:+42:17: +42:19
+          StorageLive(_35);                // scope 23 at $DIR/reference_prop.rs:+43:9: +43:18
+          StorageLive(_36);                // scope 23 at $DIR/reference_prop.rs:+43:16: +43:17
+          _36 = _33;                       // scope 23 at $DIR/reference_prop.rs:+43:16: +43:17
+          _35 = opaque::<*const usize>(move _36) -> bb5; // scope 23 at $DIR/reference_prop.rs:+43:9: +43:18
+                                           // mir::Constant
+                                           // + span: $DIR/reference_prop.rs:239:9: 239:15
+                                           // + literal: Const { ty: fn(*const usize) {opaque::<*const usize>}, val: Value(<ZST>) }
+      }
+  
+      bb5: {
+          StorageDead(_36);                // scope 23 at $DIR/reference_prop.rs:+43:17: +43:18
+          StorageDead(_35);                // scope 23 at $DIR/reference_prop.rs:+43:18: +43:19
+-         _31 = const ();                  // scope 20 at $DIR/reference_prop.rs:+39:5: +44:6
+          StorageDead(_34);                // scope 22 at $DIR/reference_prop.rs:+44:5: +44:6
+          StorageDead(_33);                // scope 21 at $DIR/reference_prop.rs:+44:5: +44:6
+          StorageDead(_32);                // scope 20 at $DIR/reference_prop.rs:+44:5: +44:6
+-         StorageDead(_31);                // scope 0 at $DIR/reference_prop.rs:+44:5: +44:6
+-         StorageLive(_37);                // scope 0 at $DIR/reference_prop.rs:+47:5: +57:6
+          StorageLive(_38);                // scope 24 at $DIR/reference_prop.rs:+48:13: +48:14
+          _38 = const 7_usize;             // scope 24 at $DIR/reference_prop.rs:+48:17: +48:24
+          StorageLive(_39);                // scope 25 at $DIR/reference_prop.rs:+49:13: +49:15
+          _39 = &raw const _38;            // scope 25 at $DIR/reference_prop.rs:+49:18: +49:30
+          StorageLive(_40);                // scope 26 at $DIR/reference_prop.rs:+50:13: +50:14
+-         _40 = (*_39);                    // scope 26 at $DIR/reference_prop.rs:+50:17: +50:20
++         _40 = _38;                       // scope 26 at $DIR/reference_prop.rs:+50:17: +50:20
+          StorageLive(_41);                // scope 27 at $DIR/reference_prop.rs:+51:13: +51:15
+          _41 = _39;                       // scope 27 at $DIR/reference_prop.rs:+51:18: +51:20
+          StorageLive(_42);                // scope 28 at $DIR/reference_prop.rs:+52:13: +52:15
+-         _42 = (*_41);                    // scope 28 at $DIR/reference_prop.rs:+52:18: +52:21
++         _42 = _38;                       // scope 28 at $DIR/reference_prop.rs:+52:18: +52:21
+          StorageLive(_43);                // scope 29 at $DIR/reference_prop.rs:+53:13: +53:15
+          _43 = _41;                       // scope 29 at $DIR/reference_prop.rs:+53:18: +53:20
+          StorageLive(_44);                // scope 30 at $DIR/reference_prop.rs:+56:9: +56:19
+          StorageLive(_45);                // scope 30 at $DIR/reference_prop.rs:+56:16: +56:18
+          _45 = _43;                       // scope 30 at $DIR/reference_prop.rs:+56:16: +56:18
+          _44 = opaque::<*const usize>(move _45) -> bb6; // scope 30 at $DIR/reference_prop.rs:+56:9: +56:19
+                                           // mir::Constant
+                                           // + span: $DIR/reference_prop.rs:252:9: 252:15
+                                           // + literal: Const { ty: fn(*const usize) {opaque::<*const usize>}, val: Value(<ZST>) }
+      }
+  
+      bb6: {
+          StorageDead(_45);                // scope 30 at $DIR/reference_prop.rs:+56:18: +56:19
+          StorageDead(_44);                // scope 30 at $DIR/reference_prop.rs:+56:19: +56:20
+-         _37 = const ();                  // scope 24 at $DIR/reference_prop.rs:+47:5: +57:6
+          StorageDead(_43);                // scope 29 at $DIR/reference_prop.rs:+57:5: +57:6
+          StorageDead(_42);                // scope 28 at $DIR/reference_prop.rs:+57:5: +57:6
+          StorageDead(_41);                // scope 27 at $DIR/reference_prop.rs:+57:5: +57:6
+          StorageDead(_40);                // scope 26 at $DIR/reference_prop.rs:+57:5: +57:6
+          StorageDead(_39);                // scope 25 at $DIR/reference_prop.rs:+57:5: +57:6
+          StorageDead(_38);                // scope 24 at $DIR/reference_prop.rs:+57:5: +57:6
+-         StorageDead(_37);                // scope 0 at $DIR/reference_prop.rs:+57:5: +57:6
+-         StorageLive(_46);                // scope 0 at $DIR/reference_prop.rs:+60:5: +64:6
+-         StorageLive(_47);                // scope 31 at $DIR/reference_prop.rs:+61:13: +61:14
+-         _47 = &raw const (*_1);          // scope 31 at $DIR/reference_prop.rs:+61:17: +61:35
+          StorageLive(_48);                // scope 32 at $DIR/reference_prop.rs:+62:13: +62:14
+-         _48 = (*_47);                    // scope 32 at $DIR/reference_prop.rs:+62:17: +62:19
++         _48 = (*_1);                     // scope 32 at $DIR/reference_prop.rs:+62:17: +62:19
+          StorageLive(_49);                // scope 33 at $DIR/reference_prop.rs:+63:9: +63:19
+          StorageLive(_50);                // scope 33 at $DIR/reference_prop.rs:+63:16: +63:18
+          _50 = ();                        // scope 33 at $DIR/reference_prop.rs:+63:16: +63:18
+          _49 = opaque::<()>(move _50) -> bb7; // scope 33 at $DIR/reference_prop.rs:+63:9: +63:19
+                                           // mir::Constant
+                                           // + span: $DIR/reference_prop.rs:259:9: 259:15
+                                           // + literal: Const { ty: fn(()) {opaque::<()>}, val: Value(<ZST>) }
+      }
+  
+      bb7: {
+          StorageDead(_50);                // scope 33 at $DIR/reference_prop.rs:+63:18: +63:19
+          StorageDead(_49);                // scope 33 at $DIR/reference_prop.rs:+63:19: +63:20
+-         _46 = const ();                  // scope 31 at $DIR/reference_prop.rs:+60:5: +64:6
+          StorageDead(_48);                // scope 32 at $DIR/reference_prop.rs:+64:5: +64:6
+-         StorageDead(_47);                // scope 31 at $DIR/reference_prop.rs:+64:5: +64:6
+-         StorageDead(_46);                // scope 0 at $DIR/reference_prop.rs:+64:5: +64:6
+-         StorageLive(_51);                // scope 0 at $DIR/reference_prop.rs:+67:5: +72:6
+          StorageLive(_52);                // scope 34 at $DIR/reference_prop.rs:+68:13: +68:14
+          _52 = &raw const (*_2);          // scope 34 at $DIR/reference_prop.rs:+68:17: +68:37
+          StorageLive(_53);                // scope 35 at $DIR/reference_prop.rs:+69:20: +69:38
+          _53 = &raw const (*_1);          // scope 35 at $DIR/reference_prop.rs:+69:20: +69:38
+          _2 = move _53;                   // scope 35 at $DIR/reference_prop.rs:+69:9: +69:38
+          StorageDead(_53);                // scope 35 at $DIR/reference_prop.rs:+69:37: +69:38
+          StorageLive(_54);                // scope 35 at $DIR/reference_prop.rs:+70:13: +70:14
+          _54 = (*_52);                    // scope 35 at $DIR/reference_prop.rs:+70:17: +70:19
+          StorageLive(_55);                // scope 36 at $DIR/reference_prop.rs:+71:9: +71:19
+          StorageLive(_56);                // scope 36 at $DIR/reference_prop.rs:+71:16: +71:18
+          _56 = ();                        // scope 36 at $DIR/reference_prop.rs:+71:16: +71:18
+          _55 = opaque::<()>(move _56) -> bb8; // scope 36 at $DIR/reference_prop.rs:+71:9: +71:19
+                                           // mir::Constant
+                                           // + span: $DIR/reference_prop.rs:267:9: 267:15
+                                           // + literal: Const { ty: fn(()) {opaque::<()>}, val: Value(<ZST>) }
+      }
+  
+      bb8: {
+          StorageDead(_56);                // scope 36 at $DIR/reference_prop.rs:+71:18: +71:19
+          StorageDead(_55);                // scope 36 at $DIR/reference_prop.rs:+71:19: +71:20
+-         _51 = const ();                  // scope 34 at $DIR/reference_prop.rs:+67:5: +72:6
+          StorageDead(_54);                // scope 35 at $DIR/reference_prop.rs:+72:5: +72:6
+          StorageDead(_52);                // scope 34 at $DIR/reference_prop.rs:+72:5: +72:6
+-         StorageDead(_51);                // scope 0 at $DIR/reference_prop.rs:+72:5: +72:6
+-         StorageLive(_57);                // scope 0 at $DIR/reference_prop.rs:+75:5: +81:6
+          StorageLive(_58);                // scope 37 at $DIR/reference_prop.rs:+76:13: +76:14
+          _58 = const 13_usize;            // scope 37 at $DIR/reference_prop.rs:+76:17: +76:25
+-         StorageLive(_59);                // scope 38 at $DIR/reference_prop.rs:+77:13: +77:14
+-         _59 = &raw const _58;            // scope 38 at $DIR/reference_prop.rs:+77:17: +77:29
+-         StorageLive(_60);                // scope 39 at $DIR/reference_prop.rs:+78:13: +78:14
+-         _60 = &raw const (*_59);         // scope 39 at $DIR/reference_prop.rs:+78:17: +78:30
+          StorageLive(_61);                // scope 40 at $DIR/reference_prop.rs:+79:13: +79:14
+-         _61 = (*_60);                    // scope 40 at $DIR/reference_prop.rs:+79:17: +79:19
++         _61 = _58;                       // scope 40 at $DIR/reference_prop.rs:+79:17: +79:19
+          StorageLive(_62);                // scope 41 at $DIR/reference_prop.rs:+80:9: +80:19
+          StorageLive(_63);                // scope 41 at $DIR/reference_prop.rs:+80:16: +80:18
+          _63 = ();                        // scope 41 at $DIR/reference_prop.rs:+80:16: +80:18
+          _62 = opaque::<()>(move _63) -> bb9; // scope 41 at $DIR/reference_prop.rs:+80:9: +80:19
+                                           // mir::Constant
+                                           // + span: $DIR/reference_prop.rs:276:9: 276:15
+                                           // + literal: Const { ty: fn(()) {opaque::<()>}, val: Value(<ZST>) }
+      }
+  
+      bb9: {
+          StorageDead(_63);                // scope 41 at $DIR/reference_prop.rs:+80:18: +80:19
+          StorageDead(_62);                // scope 41 at $DIR/reference_prop.rs:+80:19: +80:20
+-         _57 = const ();                  // scope 37 at $DIR/reference_prop.rs:+75:5: +81:6
+          StorageDead(_61);                // scope 40 at $DIR/reference_prop.rs:+81:5: +81:6
+-         StorageDead(_60);                // scope 39 at $DIR/reference_prop.rs:+81:5: +81:6
+-         StorageDead(_59);                // scope 38 at $DIR/reference_prop.rs:+81:5: +81:6
+          StorageDead(_58);                // scope 37 at $DIR/reference_prop.rs:+81:5: +81:6
+-         StorageDead(_57);                // scope 0 at $DIR/reference_prop.rs:+81:5: +81:6
+-         StorageLive(_64);                // scope 0 at $DIR/reference_prop.rs:+84:5: +90:6
+          StorageLive(_65);                // scope 42 at $DIR/reference_prop.rs:+85:13: +85:14
+          _65 = const 5_usize;             // scope 42 at $DIR/reference_prop.rs:+85:17: +85:24
+-         StorageLive(_66);                // scope 43 at $DIR/reference_prop.rs:+86:13: +86:14
+-         _66 = &raw const _65;            // scope 43 at $DIR/reference_prop.rs:+86:17: +86:29
+-         StorageLive(_67);                // scope 44 at $DIR/reference_prop.rs:+87:13: +87:14
+-         _67 = &_66;                      // scope 44 at $DIR/reference_prop.rs:+87:17: +87:19
+          StorageLive(_68);                // scope 45 at $DIR/reference_prop.rs:+88:13: +88:14
+-         _68 = (*_66);                    // scope 45 at $DIR/reference_prop.rs:+88:17: +88:19
++         _68 = _65;                       // scope 45 at $DIR/reference_prop.rs:+88:17: +88:19
+          StorageLive(_69);                // scope 46 at $DIR/reference_prop.rs:+89:9: +89:19
+          StorageLive(_70);                // scope 46 at $DIR/reference_prop.rs:+89:16: +89:18
+          _70 = ();                        // scope 46 at $DIR/reference_prop.rs:+89:16: +89:18
+          _69 = opaque::<()>(move _70) -> bb10; // scope 46 at $DIR/reference_prop.rs:+89:9: +89:19
+                                           // mir::Constant
+                                           // + span: $DIR/reference_prop.rs:285:9: 285:15
+                                           // + literal: Const { ty: fn(()) {opaque::<()>}, val: Value(<ZST>) }
+      }
+  
+      bb10: {
+          StorageDead(_70);                // scope 46 at $DIR/reference_prop.rs:+89:18: +89:19
+          StorageDead(_69);                // scope 46 at $DIR/reference_prop.rs:+89:19: +89:20
+-         _64 = const ();                  // scope 42 at $DIR/reference_prop.rs:+84:5: +90:6
+          StorageDead(_68);                // scope 45 at $DIR/reference_prop.rs:+90:5: +90:6
+-         StorageDead(_67);                // scope 44 at $DIR/reference_prop.rs:+90:5: +90:6
+-         StorageDead(_66);                // scope 43 at $DIR/reference_prop.rs:+90:5: +90:6
+          StorageDead(_65);                // scope 42 at $DIR/reference_prop.rs:+90:5: +90:6
+-         StorageDead(_64);                // scope 0 at $DIR/reference_prop.rs:+90:5: +90:6
+          StorageLive(_71);                // scope 47 at $DIR/reference_prop.rs:+94:13: +94:14
+          _71 = const 5_usize;             // scope 47 at $DIR/reference_prop.rs:+94:17: +94:24
+-         StorageLive(_72);                // scope 48 at $DIR/reference_prop.rs:+95:13: +95:18
+-         _72 = &raw const _71;            // scope 48 at $DIR/reference_prop.rs:+95:21: +95:33
+-         StorageLive(_73);                // scope 49 at $DIR/reference_prop.rs:+96:13: +96:14
+-         _73 = &mut _72;                  // scope 49 at $DIR/reference_prop.rs:+96:17: +96:23
+          StorageLive(_74);                // scope 50 at $DIR/reference_prop.rs:+97:13: +97:14
+-         _74 = (*_72);                    // scope 50 at $DIR/reference_prop.rs:+97:17: +97:19
++         _74 = _71;                       // scope 50 at $DIR/reference_prop.rs:+97:17: +97:19
+          StorageLive(_75);                // scope 51 at $DIR/reference_prop.rs:+98:9: +98:19
+          StorageLive(_76);                // scope 51 at $DIR/reference_prop.rs:+98:16: +98:18
+          _76 = ();                        // scope 51 at $DIR/reference_prop.rs:+98:16: +98:18
+          _75 = opaque::<()>(move _76) -> bb11; // scope 51 at $DIR/reference_prop.rs:+98:9: +98:19
+                                           // mir::Constant
+                                           // + span: $DIR/reference_prop.rs:294:9: 294:15
+                                           // + literal: Const { ty: fn(()) {opaque::<()>}, val: Value(<ZST>) }
+      }
+  
+      bb11: {
+          StorageDead(_76);                // scope 51 at $DIR/reference_prop.rs:+98:18: +98:19
+          StorageDead(_75);                // scope 51 at $DIR/reference_prop.rs:+98:19: +98:20
+          _0 = const ();                   // scope 47 at $DIR/reference_prop.rs:+93:5: +99:6
+          StorageDead(_74);                // scope 50 at $DIR/reference_prop.rs:+99:5: +99:6
+-         StorageDead(_73);                // scope 49 at $DIR/reference_prop.rs:+99:5: +99:6
+-         StorageDead(_72);                // scope 48 at $DIR/reference_prop.rs:+99:5: +99:6
+          StorageDead(_71);                // scope 47 at $DIR/reference_prop.rs:+99:5: +99:6
+          return;                          // scope 0 at $DIR/reference_prop.rs:+100:2: +100:2
+      }
+  }
+  
diff --git a/tests/mir-opt/reference_prop.reference_propagation_mut.ReferencePropagation.diff b/tests/mir-opt/reference_prop.reference_propagation_mut.ReferencePropagation.diff
new file mode 100644
index 00000000000..8d059de5b87
--- /dev/null
+++ b/tests/mir-opt/reference_prop.reference_propagation_mut.ReferencePropagation.diff
@@ -0,0 +1,472 @@
+- // MIR for `reference_propagation_mut` before ReferencePropagation
++ // MIR for `reference_propagation_mut` after ReferencePropagation
+  
+  fn reference_propagation_mut(_1: &mut T, _2: &mut T) -> () {
+      debug single => _1;                  // in scope 0 at $DIR/reference_prop.rs:+0:43: +0:49
+      debug multiple => _2;                // in scope 0 at $DIR/reference_prop.rs:+0:62: +0:74
+      let mut _0: ();                      // return place in scope 0 at $DIR/reference_prop.rs:+0:87: +0:87
+      let _3: ();                          // in scope 0 at $DIR/reference_prop.rs:+2:5: +7:6
+      let mut _4: usize;                   // in scope 0 at $DIR/reference_prop.rs:+3:13: +3:18
+      let _7: ();                          // in scope 0 at $DIR/reference_prop.rs:+6:9: +6:19
+      let mut _8: ();                      // in scope 0 at $DIR/reference_prop.rs:+6:16: +6:18
+      let _9: ();                          // in scope 0 at $DIR/reference_prop.rs:+10:5: +18:6
+      let mut _10: usize;                  // in scope 0 at $DIR/reference_prop.rs:+11:13: +11:18
+      let mut _13: &mut usize;             // in scope 0 at $DIR/reference_prop.rs:+14:13: +14:20
+      let mut _14: &mut usize;             // in scope 0 at $DIR/reference_prop.rs:+14:13: +14:20
+      let _16: ();                         // in scope 0 at $DIR/reference_prop.rs:+17:9: +17:19
+      let mut _17: ();                     // in scope 0 at $DIR/reference_prop.rs:+17:16: +17:18
+      let _18: ();                         // in scope 0 at $DIR/reference_prop.rs:+21:5: +27:6
+      let mut _19: usize;                  // in scope 0 at $DIR/reference_prop.rs:+22:13: +22:18
+      let _23: ();                         // in scope 0 at $DIR/reference_prop.rs:+26:9: +26:18
+      let mut _24: &&mut usize;            // in scope 0 at $DIR/reference_prop.rs:+26:16: +26:17
+      let _25: ();                         // in scope 0 at $DIR/reference_prop.rs:+30:5: +36:6
+      let mut _26: usize;                  // in scope 0 at $DIR/reference_prop.rs:+31:13: +31:18
+      let _30: ();                         // in scope 0 at $DIR/reference_prop.rs:+35:9: +35:18
+      let mut _31: *mut &mut usize;        // in scope 0 at $DIR/reference_prop.rs:+35:16: +35:17
+      let _32: ();                         // in scope 0 at $DIR/reference_prop.rs:+39:5: +44:6
+      let mut _33: usize;                  // in scope 0 at $DIR/reference_prop.rs:+40:13: +40:18
+      let _36: ();                         // in scope 0 at $DIR/reference_prop.rs:+43:9: +43:18
+      let mut _37: &mut usize;             // in scope 0 at $DIR/reference_prop.rs:+43:16: +43:17
+      let _38: ();                         // in scope 0 at $DIR/reference_prop.rs:+47:5: +57:6
+      let mut _39: usize;                  // in scope 0 at $DIR/reference_prop.rs:+48:13: +48:18
+      let _45: ();                         // in scope 0 at $DIR/reference_prop.rs:+56:9: +56:19
+      let mut _46: &mut usize;             // in scope 0 at $DIR/reference_prop.rs:+56:16: +56:18
+      let _47: ();                         // in scope 0 at $DIR/reference_prop.rs:+60:5: +64:6
+      let _48: &mut T;                     // in scope 0 at $DIR/reference_prop.rs:+61:13: +61:14
+      let _50: ();                         // in scope 0 at $DIR/reference_prop.rs:+63:9: +63:19
+      let mut _51: ();                     // in scope 0 at $DIR/reference_prop.rs:+63:16: +63:18
+      let _52: ();                         // in scope 0 at $DIR/reference_prop.rs:+67:5: +72:6
+      let _53: &mut T;                     // in scope 0 at $DIR/reference_prop.rs:+68:13: +68:14
+      let mut _54: &mut T;                 // in scope 0 at $DIR/reference_prop.rs:+69:20: +69:32
+      let mut _55: &mut T;                 // in scope 0 at $DIR/reference_prop.rs:+69:20: +69:32
+      let _57: ();                         // in scope 0 at $DIR/reference_prop.rs:+71:9: +71:19
+      let mut _58: ();                     // in scope 0 at $DIR/reference_prop.rs:+71:16: +71:18
+      let _59: ();                         // in scope 0 at $DIR/reference_prop.rs:+75:5: +81:6
+      let mut _60: usize;                  // in scope 0 at $DIR/reference_prop.rs:+76:13: +76:18
+      let _64: ();                         // in scope 0 at $DIR/reference_prop.rs:+80:9: +80:19
+      let mut _65: ();                     // in scope 0 at $DIR/reference_prop.rs:+80:16: +80:18
+      let mut _66: usize;                  // in scope 0 at $DIR/reference_prop.rs:+85:13: +85:18
+      let _70: ();                         // in scope 0 at $DIR/reference_prop.rs:+89:9: +89:19
+      let mut _71: ();                     // in scope 0 at $DIR/reference_prop.rs:+89:16: +89:18
+      scope 1 {
+          debug a => _4;                   // in scope 1 at $DIR/reference_prop.rs:+3:13: +3:18
+          let _5: &mut usize;              // in scope 1 at $DIR/reference_prop.rs:+4:13: +4:14
+          scope 2 {
+-             debug b => _5;               // in scope 2 at $DIR/reference_prop.rs:+4:13: +4:14
++             debug b => &_4;              // in scope 2 at $DIR/reference_prop.rs:+4:13: +4:14
+              let _6: usize;               // in scope 2 at $DIR/reference_prop.rs:+5:13: +5:14
+              scope 3 {
+                  debug c => _6;           // in scope 3 at $DIR/reference_prop.rs:+5:13: +5:14
+              }
+          }
+      }
+      scope 4 {
+          debug a => _10;                  // in scope 4 at $DIR/reference_prop.rs:+11:13: +11:18
+          let mut _11: usize;              // in scope 4 at $DIR/reference_prop.rs:+12:13: +12:19
+          scope 5 {
+              debug a2 => _11;             // in scope 5 at $DIR/reference_prop.rs:+12:13: +12:19
+              let mut _12: &mut usize;     // in scope 5 at $DIR/reference_prop.rs:+13:13: +13:18
+              scope 6 {
+                  debug b => _12;          // in scope 6 at $DIR/reference_prop.rs:+13:13: +13:18
+                  let _15: usize;          // in scope 6 at $DIR/reference_prop.rs:+16:13: +16:14
+                  scope 7 {
+                      debug c => _15;      // in scope 7 at $DIR/reference_prop.rs:+16:13: +16:14
+                  }
+              }
+          }
+      }
+      scope 8 {
+          debug a => _19;                  // in scope 8 at $DIR/reference_prop.rs:+22:13: +22:18
+          let _20: &mut usize;             // in scope 8 at $DIR/reference_prop.rs:+23:13: +23:14
+          scope 9 {
+              debug b => _20;              // in scope 9 at $DIR/reference_prop.rs:+23:13: +23:14
+              let _21: &&mut usize;        // in scope 9 at $DIR/reference_prop.rs:+24:13: +24:14
+              scope 10 {
+                  debug d => _21;          // in scope 10 at $DIR/reference_prop.rs:+24:13: +24:14
+                  let _22: usize;          // in scope 10 at $DIR/reference_prop.rs:+25:13: +25:14
+                  scope 11 {
+                      debug c => _22;      // in scope 11 at $DIR/reference_prop.rs:+25:13: +25:14
+                  }
+              }
+          }
+      }
+      scope 12 {
+          debug a => _26;                  // in scope 12 at $DIR/reference_prop.rs:+31:13: +31:18
+          let mut _27: &mut usize;         // in scope 12 at $DIR/reference_prop.rs:+32:13: +32:18
+          scope 13 {
+              debug b => _27;              // in scope 13 at $DIR/reference_prop.rs:+32:13: +32:18
+              let _28: *mut &mut usize;    // in scope 13 at $DIR/reference_prop.rs:+33:13: +33:14
+              scope 14 {
+                  debug d => _28;          // in scope 14 at $DIR/reference_prop.rs:+33:13: +33:14
+                  let _29: usize;          // in scope 14 at $DIR/reference_prop.rs:+34:13: +34:14
+                  scope 15 {
+                      debug c => _29;      // in scope 15 at $DIR/reference_prop.rs:+34:13: +34:14
+                  }
+              }
+          }
+      }
+      scope 16 {
+          debug a => _33;                  // in scope 16 at $DIR/reference_prop.rs:+40:13: +40:18
+          let _34: &mut usize;             // in scope 16 at $DIR/reference_prop.rs:+41:13: +41:14
+          scope 17 {
+              debug b => _34;              // in scope 17 at $DIR/reference_prop.rs:+41:13: +41:14
+              let _35: usize;              // in scope 17 at $DIR/reference_prop.rs:+42:13: +42:14
+              scope 18 {
+                  debug c => _35;          // in scope 18 at $DIR/reference_prop.rs:+42:13: +42:14
+              }
+          }
+      }
+      scope 19 {
+          debug a => _39;                  // in scope 19 at $DIR/reference_prop.rs:+48:13: +48:18
+          let _40: &mut usize;             // in scope 19 at $DIR/reference_prop.rs:+49:13: +49:15
+          scope 20 {
+              debug b1 => _40;             // in scope 20 at $DIR/reference_prop.rs:+49:13: +49:15
+              let _41: usize;              // in scope 20 at $DIR/reference_prop.rs:+50:13: +50:14
+              scope 21 {
+                  debug c => _41;          // in scope 21 at $DIR/reference_prop.rs:+50:13: +50:14
+                  let _42: &mut usize;     // in scope 21 at $DIR/reference_prop.rs:+51:13: +51:15
+                  scope 22 {
+                      debug b2 => _42;     // in scope 22 at $DIR/reference_prop.rs:+51:13: +51:15
+                      let _43: usize;      // in scope 22 at $DIR/reference_prop.rs:+52:13: +52:15
+                      scope 23 {
+                          debug c2 => _43; // in scope 23 at $DIR/reference_prop.rs:+52:13: +52:15
+                          let _44: &mut usize; // in scope 23 at $DIR/reference_prop.rs:+53:13: +53:15
+                          scope 24 {
+                              debug b3 => _44; // in scope 24 at $DIR/reference_prop.rs:+53:13: +53:15
+                          }
+                      }
+                  }
+              }
+          }
+      }
+      scope 25 {
+-         debug a => _48;                  // in scope 25 at $DIR/reference_prop.rs:+61:13: +61:14
++         debug a => _1;                   // in scope 25 at $DIR/reference_prop.rs:+61:13: +61:14
+          let _49: T;                      // in scope 25 at $DIR/reference_prop.rs:+62:13: +62:14
+          scope 26 {
+              debug b => _49;              // in scope 26 at $DIR/reference_prop.rs:+62:13: +62:14
+          }
+      }
+      scope 27 {
+          debug a => _53;                  // in scope 27 at $DIR/reference_prop.rs:+68:13: +68:14
+          let _56: T;                      // in scope 27 at $DIR/reference_prop.rs:+70:13: +70:14
+          scope 28 {
+              debug b => _56;              // in scope 28 at $DIR/reference_prop.rs:+70:13: +70:14
+          }
+      }
+      scope 29 {
+          debug a => _60;                  // in scope 29 at $DIR/reference_prop.rs:+76:13: +76:18
+          let _61: &mut usize;             // in scope 29 at $DIR/reference_prop.rs:+77:13: +77:14
+          scope 30 {
+-             debug b => _61;              // in scope 30 at $DIR/reference_prop.rs:+77:13: +77:14
++             debug b => &_60;             // in scope 30 at $DIR/reference_prop.rs:+77:13: +77:14
+              let _62: &&mut usize;        // in scope 30 at $DIR/reference_prop.rs:+78:13: +78:14
+              scope 31 {
+-                 debug d => _62;          // in scope 31 at $DIR/reference_prop.rs:+78:13: +78:14
++                 debug d => &&_60;        // in scope 31 at $DIR/reference_prop.rs:+78:13: +78:14
+                  let _63: usize;          // in scope 31 at $DIR/reference_prop.rs:+79:13: +79:14
+                  scope 32 {
+                      debug c => _63;      // in scope 32 at $DIR/reference_prop.rs:+79:13: +79:14
+                  }
+              }
+          }
+      }
+      scope 33 {
+          debug a => _66;                  // in scope 33 at $DIR/reference_prop.rs:+85:13: +85:18
+          let mut _67: &mut usize;         // in scope 33 at $DIR/reference_prop.rs:+86:13: +86:18
+          scope 34 {
+-             debug b => _67;              // in scope 34 at $DIR/reference_prop.rs:+86:13: +86:18
++             debug b => &_66;             // in scope 34 at $DIR/reference_prop.rs:+86:13: +86:18
+              let _68: &mut &mut usize;    // in scope 34 at $DIR/reference_prop.rs:+87:13: +87:14
+              scope 35 {
+-                 debug d => _68;          // in scope 35 at $DIR/reference_prop.rs:+87:13: +87:14
++                 debug d => &&_66;        // in scope 35 at $DIR/reference_prop.rs:+87:13: +87:14
+                  let _69: usize;          // in scope 35 at $DIR/reference_prop.rs:+88:13: +88:14
+                  scope 36 {
+                      debug c => _69;      // in scope 36 at $DIR/reference_prop.rs:+88:13: +88:14
+                  }
+              }
+          }
+      }
+  
+      bb0: {
+-         StorageLive(_3);                 // scope 0 at $DIR/reference_prop.rs:+2:5: +7:6
+          StorageLive(_4);                 // scope 0 at $DIR/reference_prop.rs:+3:13: +3:18
+          _4 = const 5_usize;              // scope 0 at $DIR/reference_prop.rs:+3:21: +3:28
+-         StorageLive(_5);                 // scope 1 at $DIR/reference_prop.rs:+4:13: +4:14
+-         _5 = &mut _4;                    // scope 1 at $DIR/reference_prop.rs:+4:17: +4:23
+          StorageLive(_6);                 // scope 2 at $DIR/reference_prop.rs:+5:13: +5:14
+-         _6 = (*_5);                      // scope 2 at $DIR/reference_prop.rs:+5:17: +5:19
++         _6 = _4;                         // scope 2 at $DIR/reference_prop.rs:+5:17: +5:19
+          StorageLive(_7);                 // scope 3 at $DIR/reference_prop.rs:+6:9: +6:19
+          StorageLive(_8);                 // scope 3 at $DIR/reference_prop.rs:+6:16: +6:18
+          _8 = ();                         // scope 3 at $DIR/reference_prop.rs:+6:16: +6:18
+          _7 = opaque::<()>(move _8) -> bb1; // scope 3 at $DIR/reference_prop.rs:+6:9: +6:19
+                                           // mir::Constant
+                                           // + span: $DIR/reference_prop.rs:109:9: 109:15
+                                           // + literal: Const { ty: fn(()) {opaque::<()>}, val: Value(<ZST>) }
+      }
+  
+      bb1: {
+          StorageDead(_8);                 // scope 3 at $DIR/reference_prop.rs:+6:18: +6:19
+          StorageDead(_7);                 // scope 3 at $DIR/reference_prop.rs:+6:19: +6:20
+-         _3 = const ();                   // scope 0 at $DIR/reference_prop.rs:+2:5: +7:6
+          StorageDead(_6);                 // scope 2 at $DIR/reference_prop.rs:+7:5: +7:6
+-         StorageDead(_5);                 // scope 1 at $DIR/reference_prop.rs:+7:5: +7:6
+          StorageDead(_4);                 // scope 0 at $DIR/reference_prop.rs:+7:5: +7:6
+-         StorageDead(_3);                 // scope 0 at $DIR/reference_prop.rs:+7:5: +7:6
+-         StorageLive(_9);                 // scope 0 at $DIR/reference_prop.rs:+10:5: +18:6
+          StorageLive(_10);                // scope 0 at $DIR/reference_prop.rs:+11:13: +11:18
+          _10 = const 5_usize;             // scope 0 at $DIR/reference_prop.rs:+11:21: +11:28
+          StorageLive(_11);                // scope 4 at $DIR/reference_prop.rs:+12:13: +12:19
+          _11 = const 7_usize;             // scope 4 at $DIR/reference_prop.rs:+12:22: +12:29
+          StorageLive(_12);                // scope 5 at $DIR/reference_prop.rs:+13:13: +13:18
+          _12 = &mut _10;                  // scope 5 at $DIR/reference_prop.rs:+13:21: +13:27
+          StorageLive(_13);                // scope 6 at $DIR/reference_prop.rs:+14:13: +14:20
+-         StorageLive(_14);                // scope 6 at $DIR/reference_prop.rs:+14:13: +14:20
+-         _14 = &mut _11;                  // scope 6 at $DIR/reference_prop.rs:+14:13: +14:20
+-         _13 = &mut (*_14);               // scope 6 at $DIR/reference_prop.rs:+14:13: +14:20
++         _13 = &mut _11;                  // scope 6 at $DIR/reference_prop.rs:+14:13: +14:20
+          _12 = move _13;                  // scope 6 at $DIR/reference_prop.rs:+14:9: +14:20
+          StorageDead(_13);                // scope 6 at $DIR/reference_prop.rs:+14:19: +14:20
+-         StorageDead(_14);                // scope 6 at $DIR/reference_prop.rs:+14:20: +14:21
+          StorageLive(_15);                // scope 6 at $DIR/reference_prop.rs:+16:13: +16:14
+          _15 = (*_12);                    // scope 6 at $DIR/reference_prop.rs:+16:17: +16:19
+          StorageLive(_16);                // scope 7 at $DIR/reference_prop.rs:+17:9: +17:19
+          StorageLive(_17);                // scope 7 at $DIR/reference_prop.rs:+17:16: +17:18
+          _17 = ();                        // scope 7 at $DIR/reference_prop.rs:+17:16: +17:18
+          _16 = opaque::<()>(move _17) -> bb2; // scope 7 at $DIR/reference_prop.rs:+17:9: +17:19
+                                           // mir::Constant
+                                           // + span: $DIR/reference_prop.rs:120:9: 120:15
+                                           // + literal: Const { ty: fn(()) {opaque::<()>}, val: Value(<ZST>) }
+      }
+  
+      bb2: {
+          StorageDead(_17);                // scope 7 at $DIR/reference_prop.rs:+17:18: +17:19
+          StorageDead(_16);                // scope 7 at $DIR/reference_prop.rs:+17:19: +17:20
+-         _9 = const ();                   // scope 0 at $DIR/reference_prop.rs:+10:5: +18:6
+          StorageDead(_15);                // scope 6 at $DIR/reference_prop.rs:+18:5: +18:6
+          StorageDead(_12);                // scope 5 at $DIR/reference_prop.rs:+18:5: +18:6
+          StorageDead(_11);                // scope 4 at $DIR/reference_prop.rs:+18:5: +18:6
+          StorageDead(_10);                // scope 0 at $DIR/reference_prop.rs:+18:5: +18:6
+-         StorageDead(_9);                 // scope 0 at $DIR/reference_prop.rs:+18:5: +18:6
+-         StorageLive(_18);                // scope 0 at $DIR/reference_prop.rs:+21:5: +27:6
+          StorageLive(_19);                // scope 0 at $DIR/reference_prop.rs:+22:13: +22:18
+          _19 = const 5_usize;             // scope 0 at $DIR/reference_prop.rs:+22:21: +22:28
+          StorageLive(_20);                // scope 8 at $DIR/reference_prop.rs:+23:13: +23:14
+          _20 = &mut _19;                  // scope 8 at $DIR/reference_prop.rs:+23:17: +23:23
+          StorageLive(_21);                // scope 9 at $DIR/reference_prop.rs:+24:13: +24:14
+          _21 = &_20;                      // scope 9 at $DIR/reference_prop.rs:+24:17: +24:19
+          StorageLive(_22);                // scope 10 at $DIR/reference_prop.rs:+25:13: +25:14
+          _22 = (*_20);                    // scope 10 at $DIR/reference_prop.rs:+25:17: +25:19
+          StorageLive(_23);                // scope 11 at $DIR/reference_prop.rs:+26:9: +26:18
+          StorageLive(_24);                // scope 11 at $DIR/reference_prop.rs:+26:16: +26:17
+          _24 = _21;                       // scope 11 at $DIR/reference_prop.rs:+26:16: +26:17
+          _23 = opaque::<&&mut usize>(move _24) -> bb3; // scope 11 at $DIR/reference_prop.rs:+26:9: +26:18
+                                           // mir::Constant
+                                           // + span: $DIR/reference_prop.rs:129:9: 129:15
+                                           // + literal: Const { ty: fn(&&mut usize) {opaque::<&&mut usize>}, val: Value(<ZST>) }
+      }
+  
+      bb3: {
+          StorageDead(_24);                // scope 11 at $DIR/reference_prop.rs:+26:17: +26:18
+          StorageDead(_23);                // scope 11 at $DIR/reference_prop.rs:+26:18: +26:19
+-         _18 = const ();                  // scope 0 at $DIR/reference_prop.rs:+21:5: +27:6
+          StorageDead(_22);                // scope 10 at $DIR/reference_prop.rs:+27:5: +27:6
+          StorageDead(_21);                // scope 9 at $DIR/reference_prop.rs:+27:5: +27:6
+          StorageDead(_20);                // scope 8 at $DIR/reference_prop.rs:+27:5: +27:6
+          StorageDead(_19);                // scope 0 at $DIR/reference_prop.rs:+27:5: +27:6
+-         StorageDead(_18);                // scope 0 at $DIR/reference_prop.rs:+27:5: +27:6
+-         StorageLive(_25);                // scope 0 at $DIR/reference_prop.rs:+30:5: +36:6
+          StorageLive(_26);                // scope 0 at $DIR/reference_prop.rs:+31:13: +31:18
+          _26 = const 5_usize;             // scope 0 at $DIR/reference_prop.rs:+31:21: +31:28
+          StorageLive(_27);                // scope 12 at $DIR/reference_prop.rs:+32:13: +32:18
+          _27 = &mut _26;                  // scope 12 at $DIR/reference_prop.rs:+32:21: +32:27
+          StorageLive(_28);                // scope 13 at $DIR/reference_prop.rs:+33:13: +33:14
+          _28 = &raw mut _27;              // scope 13 at $DIR/reference_prop.rs:+33:17: +33:27
+          StorageLive(_29);                // scope 14 at $DIR/reference_prop.rs:+34:13: +34:14
+          _29 = (*_27);                    // scope 14 at $DIR/reference_prop.rs:+34:17: +34:19
+          StorageLive(_30);                // scope 15 at $DIR/reference_prop.rs:+35:9: +35:18
+          StorageLive(_31);                // scope 15 at $DIR/reference_prop.rs:+35:16: +35:17
+          _31 = _28;                       // scope 15 at $DIR/reference_prop.rs:+35:16: +35:17
+          _30 = opaque::<*mut &mut usize>(move _31) -> bb4; // scope 15 at $DIR/reference_prop.rs:+35:9: +35:18
+                                           // mir::Constant
+                                           // + span: $DIR/reference_prop.rs:138:9: 138:15
+                                           // + literal: Const { ty: fn(*mut &mut usize) {opaque::<*mut &mut usize>}, val: Value(<ZST>) }
+      }
+  
+      bb4: {
+          StorageDead(_31);                // scope 15 at $DIR/reference_prop.rs:+35:17: +35:18
+          StorageDead(_30);                // scope 15 at $DIR/reference_prop.rs:+35:18: +35:19
+-         _25 = const ();                  // scope 0 at $DIR/reference_prop.rs:+30:5: +36:6
+          StorageDead(_29);                // scope 14 at $DIR/reference_prop.rs:+36:5: +36:6
+          StorageDead(_28);                // scope 13 at $DIR/reference_prop.rs:+36:5: +36:6
+          StorageDead(_27);                // scope 12 at $DIR/reference_prop.rs:+36:5: +36:6
+          StorageDead(_26);                // scope 0 at $DIR/reference_prop.rs:+36:5: +36:6
+-         StorageDead(_25);                // scope 0 at $DIR/reference_prop.rs:+36:5: +36:6
+-         StorageLive(_32);                // scope 0 at $DIR/reference_prop.rs:+39:5: +44:6
+          StorageLive(_33);                // scope 0 at $DIR/reference_prop.rs:+40:13: +40:18
+          _33 = const 7_usize;             // scope 0 at $DIR/reference_prop.rs:+40:21: +40:28
+          StorageLive(_34);                // scope 16 at $DIR/reference_prop.rs:+41:13: +41:14
+          _34 = &mut _33;                  // scope 16 at $DIR/reference_prop.rs:+41:17: +41:23
+          StorageLive(_35);                // scope 17 at $DIR/reference_prop.rs:+42:13: +42:14
+          _35 = (*_34);                    // scope 17 at $DIR/reference_prop.rs:+42:17: +42:19
+          StorageLive(_36);                // scope 18 at $DIR/reference_prop.rs:+43:9: +43:18
+          StorageLive(_37);                // scope 18 at $DIR/reference_prop.rs:+43:16: +43:17
+          _37 = move _34;                  // scope 18 at $DIR/reference_prop.rs:+43:16: +43:17
+          _36 = opaque::<&mut usize>(move _37) -> bb5; // scope 18 at $DIR/reference_prop.rs:+43:9: +43:18
+                                           // mir::Constant
+                                           // + span: $DIR/reference_prop.rs:146:9: 146:15
+                                           // + literal: Const { ty: fn(&mut usize) {opaque::<&mut usize>}, val: Value(<ZST>) }
+      }
+  
+      bb5: {
+          StorageDead(_37);                // scope 18 at $DIR/reference_prop.rs:+43:17: +43:18
+          StorageDead(_36);                // scope 18 at $DIR/reference_prop.rs:+43:18: +43:19
+-         _32 = const ();                  // scope 0 at $DIR/reference_prop.rs:+39:5: +44:6
+          StorageDead(_35);                // scope 17 at $DIR/reference_prop.rs:+44:5: +44:6
+          StorageDead(_34);                // scope 16 at $DIR/reference_prop.rs:+44:5: +44:6
+          StorageDead(_33);                // scope 0 at $DIR/reference_prop.rs:+44:5: +44:6
+-         StorageDead(_32);                // scope 0 at $DIR/reference_prop.rs:+44:5: +44:6
+-         StorageLive(_38);                // scope 0 at $DIR/reference_prop.rs:+47:5: +57:6
+          StorageLive(_39);                // scope 0 at $DIR/reference_prop.rs:+48:13: +48:18
+          _39 = const 7_usize;             // scope 0 at $DIR/reference_prop.rs:+48:21: +48:28
+          StorageLive(_40);                // scope 19 at $DIR/reference_prop.rs:+49:13: +49:15
+          _40 = &mut _39;                  // scope 19 at $DIR/reference_prop.rs:+49:18: +49:24
+          StorageLive(_41);                // scope 20 at $DIR/reference_prop.rs:+50:13: +50:14
+          _41 = (*_40);                    // scope 20 at $DIR/reference_prop.rs:+50:17: +50:20
+          StorageLive(_42);                // scope 21 at $DIR/reference_prop.rs:+51:13: +51:15
+          _42 = move _40;                  // scope 21 at $DIR/reference_prop.rs:+51:18: +51:20
+          StorageLive(_43);                // scope 22 at $DIR/reference_prop.rs:+52:13: +52:15
+          _43 = (*_42);                    // scope 22 at $DIR/reference_prop.rs:+52:18: +52:21
+          StorageLive(_44);                // scope 23 at $DIR/reference_prop.rs:+53:13: +53:15
+          _44 = move _42;                  // scope 23 at $DIR/reference_prop.rs:+53:18: +53:20
+          StorageLive(_45);                // scope 24 at $DIR/reference_prop.rs:+56:9: +56:19
+          StorageLive(_46);                // scope 24 at $DIR/reference_prop.rs:+56:16: +56:18
+          _46 = move _44;                  // scope 24 at $DIR/reference_prop.rs:+56:16: +56:18
+          _45 = opaque::<&mut usize>(move _46) -> bb6; // scope 24 at $DIR/reference_prop.rs:+56:9: +56:19
+                                           // mir::Constant
+                                           // + span: $DIR/reference_prop.rs:159:9: 159:15
+                                           // + literal: Const { ty: fn(&mut usize) {opaque::<&mut usize>}, val: Value(<ZST>) }
+      }
+  
+      bb6: {
+          StorageDead(_46);                // scope 24 at $DIR/reference_prop.rs:+56:18: +56:19
+          StorageDead(_45);                // scope 24 at $DIR/reference_prop.rs:+56:19: +56:20
+-         _38 = const ();                  // scope 0 at $DIR/reference_prop.rs:+47:5: +57:6
+          StorageDead(_44);                // scope 23 at $DIR/reference_prop.rs:+57:5: +57:6
+          StorageDead(_43);                // scope 22 at $DIR/reference_prop.rs:+57:5: +57:6
+          StorageDead(_42);                // scope 21 at $DIR/reference_prop.rs:+57:5: +57:6
+          StorageDead(_41);                // scope 20 at $DIR/reference_prop.rs:+57:5: +57:6
+          StorageDead(_40);                // scope 19 at $DIR/reference_prop.rs:+57:5: +57:6
+          StorageDead(_39);                // scope 0 at $DIR/reference_prop.rs:+57:5: +57:6
+-         StorageDead(_38);                // scope 0 at $DIR/reference_prop.rs:+57:5: +57:6
+-         StorageLive(_47);                // scope 0 at $DIR/reference_prop.rs:+60:5: +64:6
+-         StorageLive(_48);                // scope 0 at $DIR/reference_prop.rs:+61:13: +61:14
+-         _48 = &mut (*_1);                // scope 0 at $DIR/reference_prop.rs:+61:17: +61:29
+          StorageLive(_49);                // scope 25 at $DIR/reference_prop.rs:+62:13: +62:14
+-         _49 = (*_48);                    // scope 25 at $DIR/reference_prop.rs:+62:17: +62:19
++         _49 = (*_1);                     // scope 25 at $DIR/reference_prop.rs:+62:17: +62:19
+          StorageLive(_50);                // scope 26 at $DIR/reference_prop.rs:+63:9: +63:19
+          StorageLive(_51);                // scope 26 at $DIR/reference_prop.rs:+63:16: +63:18
+          _51 = ();                        // scope 26 at $DIR/reference_prop.rs:+63:16: +63:18
+          _50 = opaque::<()>(move _51) -> bb7; // scope 26 at $DIR/reference_prop.rs:+63:9: +63:19
+                                           // mir::Constant
+                                           // + span: $DIR/reference_prop.rs:166:9: 166:15
+                                           // + literal: Const { ty: fn(()) {opaque::<()>}, val: Value(<ZST>) }
+      }
+  
+      bb7: {
+          StorageDead(_51);                // scope 26 at $DIR/reference_prop.rs:+63:18: +63:19
+          StorageDead(_50);                // scope 26 at $DIR/reference_prop.rs:+63:19: +63:20
+-         _47 = const ();                  // scope 0 at $DIR/reference_prop.rs:+60:5: +64:6
+          StorageDead(_49);                // scope 25 at $DIR/reference_prop.rs:+64:5: +64:6
+-         StorageDead(_48);                // scope 0 at $DIR/reference_prop.rs:+64:5: +64:6
+-         StorageDead(_47);                // scope 0 at $DIR/reference_prop.rs:+64:5: +64:6
+-         StorageLive(_52);                // scope 0 at $DIR/reference_prop.rs:+67:5: +72:6
+          StorageLive(_53);                // scope 0 at $DIR/reference_prop.rs:+68:13: +68:14
+          _53 = &mut (*_2);                // scope 0 at $DIR/reference_prop.rs:+68:17: +68:31
+          StorageLive(_54);                // scope 27 at $DIR/reference_prop.rs:+69:20: +69:32
+-         StorageLive(_55);                // scope 27 at $DIR/reference_prop.rs:+69:20: +69:32
+-         _55 = &mut (*_1);                // scope 27 at $DIR/reference_prop.rs:+69:20: +69:32
+-         _54 = &mut (*_55);               // scope 27 at $DIR/reference_prop.rs:+69:20: +69:32
++         _54 = &mut (*_1);                // scope 27 at $DIR/reference_prop.rs:+69:20: +69:32
+          _2 = move _54;                   // scope 27 at $DIR/reference_prop.rs:+69:9: +69:32
+          StorageDead(_54);                // scope 27 at $DIR/reference_prop.rs:+69:31: +69:32
+-         StorageDead(_55);                // scope 27 at $DIR/reference_prop.rs:+69:32: +69:33
+          StorageLive(_56);                // scope 27 at $DIR/reference_prop.rs:+70:13: +70:14
+          _56 = (*_53);                    // scope 27 at $DIR/reference_prop.rs:+70:17: +70:19
+          StorageLive(_57);                // scope 28 at $DIR/reference_prop.rs:+71:9: +71:19
+          StorageLive(_58);                // scope 28 at $DIR/reference_prop.rs:+71:16: +71:18
+          _58 = ();                        // scope 28 at $DIR/reference_prop.rs:+71:16: +71:18
+          _57 = opaque::<()>(move _58) -> bb8; // scope 28 at $DIR/reference_prop.rs:+71:9: +71:19
+                                           // mir::Constant
+                                           // + span: $DIR/reference_prop.rs:174:9: 174:15
+                                           // + literal: Const { ty: fn(()) {opaque::<()>}, val: Value(<ZST>) }
+      }
+  
+      bb8: {
+          StorageDead(_58);                // scope 28 at $DIR/reference_prop.rs:+71:18: +71:19
+          StorageDead(_57);                // scope 28 at $DIR/reference_prop.rs:+71:19: +71:20
+-         _52 = const ();                  // scope 0 at $DIR/reference_prop.rs:+67:5: +72:6
+          StorageDead(_56);                // scope 27 at $DIR/reference_prop.rs:+72:5: +72:6
+          StorageDead(_53);                // scope 0 at $DIR/reference_prop.rs:+72:5: +72:6
+-         StorageDead(_52);                // scope 0 at $DIR/reference_prop.rs:+72:5: +72:6
+-         StorageLive(_59);                // scope 0 at $DIR/reference_prop.rs:+75:5: +81:6
+          StorageLive(_60);                // scope 0 at $DIR/reference_prop.rs:+76:13: +76:18
+          _60 = const 5_usize;             // scope 0 at $DIR/reference_prop.rs:+76:21: +76:28
+-         StorageLive(_61);                // scope 29 at $DIR/reference_prop.rs:+77:13: +77:14
+-         _61 = &mut _60;                  // scope 29 at $DIR/reference_prop.rs:+77:17: +77:23
+-         StorageLive(_62);                // scope 30 at $DIR/reference_prop.rs:+78:13: +78:14
+-         _62 = &_61;                      // scope 30 at $DIR/reference_prop.rs:+78:17: +78:19
+          StorageLive(_63);                // scope 31 at $DIR/reference_prop.rs:+79:13: +79:14
+-         _63 = (*_61);                    // scope 31 at $DIR/reference_prop.rs:+79:17: +79:19
++         _63 = _60;                       // scope 31 at $DIR/reference_prop.rs:+79:17: +79:19
+          StorageLive(_64);                // scope 32 at $DIR/reference_prop.rs:+80:9: +80:19
+          StorageLive(_65);                // scope 32 at $DIR/reference_prop.rs:+80:16: +80:18
+          _65 = ();                        // scope 32 at $DIR/reference_prop.rs:+80:16: +80:18
+          _64 = opaque::<()>(move _65) -> bb9; // scope 32 at $DIR/reference_prop.rs:+80:9: +80:19
+                                           // mir::Constant
+                                           // + span: $DIR/reference_prop.rs:183:9: 183:15
+                                           // + literal: Const { ty: fn(()) {opaque::<()>}, val: Value(<ZST>) }
+      }
+  
+      bb9: {
+          StorageDead(_65);                // scope 32 at $DIR/reference_prop.rs:+80:18: +80:19
+          StorageDead(_64);                // scope 32 at $DIR/reference_prop.rs:+80:19: +80:20
+-         _59 = const ();                  // scope 0 at $DIR/reference_prop.rs:+75:5: +81:6
+          StorageDead(_63);                // scope 31 at $DIR/reference_prop.rs:+81:5: +81:6
+-         StorageDead(_62);                // scope 30 at $DIR/reference_prop.rs:+81:5: +81:6
+-         StorageDead(_61);                // scope 29 at $DIR/reference_prop.rs:+81:5: +81:6
+          StorageDead(_60);                // scope 0 at $DIR/reference_prop.rs:+81:5: +81:6
+-         StorageDead(_59);                // scope 0 at $DIR/reference_prop.rs:+81:5: +81:6
+          StorageLive(_66);                // scope 0 at $DIR/reference_prop.rs:+85:13: +85:18
+          _66 = const 5_usize;             // scope 0 at $DIR/reference_prop.rs:+85:21: +85:28
+-         StorageLive(_67);                // scope 33 at $DIR/reference_prop.rs:+86:13: +86:18
+-         _67 = &mut _66;                  // scope 33 at $DIR/reference_prop.rs:+86:21: +86:27
+-         StorageLive(_68);                // scope 34 at $DIR/reference_prop.rs:+87:13: +87:14
+-         _68 = &mut _67;                  // scope 34 at $DIR/reference_prop.rs:+87:17: +87:23
+          StorageLive(_69);                // scope 35 at $DIR/reference_prop.rs:+88:13: +88:14
+-         _69 = (*_67);                    // scope 35 at $DIR/reference_prop.rs:+88:17: +88:19
++         _69 = _66;                       // scope 35 at $DIR/reference_prop.rs:+88:17: +88:19
+          StorageLive(_70);                // scope 36 at $DIR/reference_prop.rs:+89:9: +89:19
+          StorageLive(_71);                // scope 36 at $DIR/reference_prop.rs:+89:16: +89:18
+          _71 = ();                        // scope 36 at $DIR/reference_prop.rs:+89:16: +89:18
+          _70 = opaque::<()>(move _71) -> bb10; // scope 36 at $DIR/reference_prop.rs:+89:9: +89:19
+                                           // mir::Constant
+                                           // + span: $DIR/reference_prop.rs:192:9: 192:15
+                                           // + literal: Const { ty: fn(()) {opaque::<()>}, val: Value(<ZST>) }
+      }
+  
+      bb10: {
+          StorageDead(_71);                // scope 36 at $DIR/reference_prop.rs:+89:18: +89:19
+          StorageDead(_70);                // scope 36 at $DIR/reference_prop.rs:+89:19: +89:20
+          _0 = const ();                   // scope 0 at $DIR/reference_prop.rs:+84:5: +90:6
+          StorageDead(_69);                // scope 35 at $DIR/reference_prop.rs:+90:5: +90:6
+-         StorageDead(_68);                // scope 34 at $DIR/reference_prop.rs:+90:5: +90:6
+-         StorageDead(_67);                // scope 33 at $DIR/reference_prop.rs:+90:5: +90:6
+          StorageDead(_66);                // scope 0 at $DIR/reference_prop.rs:+90:5: +90:6
+          return;                          // scope 0 at $DIR/reference_prop.rs:+91:2: +91:2
+      }
+  }
+  
diff --git a/tests/mir-opt/reference_prop.reference_propagation_mut_ptr.ReferencePropagation.diff b/tests/mir-opt/reference_prop.reference_propagation_mut_ptr.ReferencePropagation.diff
new file mode 100644
index 00000000000..c93aa52be11
--- /dev/null
+++ b/tests/mir-opt/reference_prop.reference_propagation_mut_ptr.ReferencePropagation.diff
@@ -0,0 +1,482 @@
+- // MIR for `reference_propagation_mut_ptr` before ReferencePropagation
++ // MIR for `reference_propagation_mut_ptr` after ReferencePropagation
+  
+  fn reference_propagation_mut_ptr(_1: *mut T, _2: *mut T) -> () {
+      debug single => _1;                  // in scope 0 at $DIR/reference_prop.rs:+0:43: +0:49
+      debug multiple => _2;                // in scope 0 at $DIR/reference_prop.rs:+0:59: +0:71
+      let mut _0: ();                      // return place in scope 0 at $DIR/reference_prop.rs:+0:81: +0:81
+      let _3: ();                          // in scope 0 at $DIR/reference_prop.rs:+2:5: +7:6
+      let _7: ();                          // in scope 0 at $DIR/reference_prop.rs:+6:9: +6:19
+      let mut _8: ();                      // in scope 0 at $DIR/reference_prop.rs:+6:16: +6:18
+      let _9: ();                          // in scope 0 at $DIR/reference_prop.rs:+10:5: +18:6
+      let mut _13: *mut usize;             // in scope 0 at $DIR/reference_prop.rs:+14:13: +14:24
+      let _15: ();                         // in scope 0 at $DIR/reference_prop.rs:+17:9: +17:19
+      let mut _16: ();                     // in scope 0 at $DIR/reference_prop.rs:+17:16: +17:18
+      let _17: ();                         // in scope 0 at $DIR/reference_prop.rs:+21:5: +27:6
+      let _22: ();                         // in scope 0 at $DIR/reference_prop.rs:+26:9: +26:18
+      let mut _23: &*mut usize;            // in scope 0 at $DIR/reference_prop.rs:+26:16: +26:17
+      let _24: ();                         // in scope 0 at $DIR/reference_prop.rs:+30:5: +36:6
+      let _29: ();                         // in scope 0 at $DIR/reference_prop.rs:+35:9: +35:18
+      let mut _30: *mut *mut usize;        // in scope 0 at $DIR/reference_prop.rs:+35:16: +35:17
+      let _31: ();                         // in scope 0 at $DIR/reference_prop.rs:+39:5: +44:6
+      let _35: ();                         // in scope 0 at $DIR/reference_prop.rs:+43:9: +43:18
+      let mut _36: *mut usize;             // in scope 0 at $DIR/reference_prop.rs:+43:16: +43:17
+      let _37: ();                         // in scope 0 at $DIR/reference_prop.rs:+47:5: +57:6
+      let _44: ();                         // in scope 0 at $DIR/reference_prop.rs:+56:9: +56:19
+      let mut _45: *mut usize;             // in scope 0 at $DIR/reference_prop.rs:+56:16: +56:18
+      let _46: ();                         // in scope 0 at $DIR/reference_prop.rs:+60:5: +64:6
+      let _49: ();                         // in scope 0 at $DIR/reference_prop.rs:+63:9: +63:19
+      let mut _50: ();                     // in scope 0 at $DIR/reference_prop.rs:+63:16: +63:18
+      let _51: ();                         // in scope 0 at $DIR/reference_prop.rs:+67:5: +72:6
+      let mut _53: *mut T;                 // in scope 0 at $DIR/reference_prop.rs:+69:20: +69:36
+      let _55: ();                         // in scope 0 at $DIR/reference_prop.rs:+71:9: +71:19
+      let mut _56: ();                     // in scope 0 at $DIR/reference_prop.rs:+71:16: +71:18
+      let _57: ();                         // in scope 0 at $DIR/reference_prop.rs:+75:5: +81:6
+      let _62: ();                         // in scope 0 at $DIR/reference_prop.rs:+80:9: +80:19
+      let mut _63: ();                     // in scope 0 at $DIR/reference_prop.rs:+80:16: +80:18
+      let _68: ();                         // in scope 0 at $DIR/reference_prop.rs:+89:9: +89:19
+      let mut _69: ();                     // in scope 0 at $DIR/reference_prop.rs:+89:16: +89:18
+      scope 1 {
+          let mut _4: usize;               // in scope 1 at $DIR/reference_prop.rs:+3:13: +3:18
+          scope 2 {
+              debug a => _4;               // in scope 2 at $DIR/reference_prop.rs:+3:13: +3:18
+              let _5: *mut usize;          // in scope 2 at $DIR/reference_prop.rs:+4:13: +4:14
+              scope 3 {
+-                 debug b => _5;           // in scope 3 at $DIR/reference_prop.rs:+4:13: +4:14
++                 debug b => &_4;          // in scope 3 at $DIR/reference_prop.rs:+4:13: +4:14
+                  let _6: usize;           // in scope 3 at $DIR/reference_prop.rs:+5:13: +5:14
+                  scope 4 {
+                      debug c => _6;       // in scope 4 at $DIR/reference_prop.rs:+5:13: +5:14
+                  }
+              }
+          }
+      }
+      scope 5 {
+          let mut _10: usize;              // in scope 5 at $DIR/reference_prop.rs:+11:13: +11:18
+          scope 6 {
+              debug a => _10;              // in scope 6 at $DIR/reference_prop.rs:+11:13: +11:18
+              let mut _11: usize;          // in scope 6 at $DIR/reference_prop.rs:+12:13: +12:19
+              scope 7 {
+                  debug a2 => _11;         // in scope 7 at $DIR/reference_prop.rs:+12:13: +12:19
+                  let mut _12: *mut usize; // in scope 7 at $DIR/reference_prop.rs:+13:13: +13:18
+                  scope 8 {
+                      debug b => _12;      // in scope 8 at $DIR/reference_prop.rs:+13:13: +13:18
+                      let _14: usize;      // in scope 8 at $DIR/reference_prop.rs:+16:13: +16:14
+                      scope 9 {
+                          debug c => _14;  // in scope 9 at $DIR/reference_prop.rs:+16:13: +16:14
+                      }
+                  }
+              }
+          }
+      }
+      scope 10 {
+          let mut _18: usize;              // in scope 10 at $DIR/reference_prop.rs:+22:13: +22:18
+          scope 11 {
+              debug a => _18;              // in scope 11 at $DIR/reference_prop.rs:+22:13: +22:18
+              let _19: *mut usize;         // in scope 11 at $DIR/reference_prop.rs:+23:13: +23:14
+              scope 12 {
+                  debug b => _19;          // in scope 12 at $DIR/reference_prop.rs:+23:13: +23:14
+                  let _20: &*mut usize;    // in scope 12 at $DIR/reference_prop.rs:+24:13: +24:14
+                  scope 13 {
+                      debug d => _20;      // in scope 13 at $DIR/reference_prop.rs:+24:13: +24:14
+                      let _21: usize;      // in scope 13 at $DIR/reference_prop.rs:+25:13: +25:14
+                      scope 14 {
+                          debug c => _21;  // in scope 14 at $DIR/reference_prop.rs:+25:13: +25:14
+                      }
+                  }
+              }
+          }
+      }
+      scope 15 {
+          let mut _25: usize;              // in scope 15 at $DIR/reference_prop.rs:+31:13: +31:18
+          scope 16 {
+              debug a => _25;              // in scope 16 at $DIR/reference_prop.rs:+31:13: +31:18
+              let mut _26: *mut usize;     // in scope 16 at $DIR/reference_prop.rs:+32:13: +32:18
+              scope 17 {
+                  debug b => _26;          // in scope 17 at $DIR/reference_prop.rs:+32:13: +32:18
+                  let _27: *mut *mut usize; // in scope 17 at $DIR/reference_prop.rs:+33:13: +33:14
+                  scope 18 {
+                      debug d => _27;      // in scope 18 at $DIR/reference_prop.rs:+33:13: +33:14
+                      let _28: usize;      // in scope 18 at $DIR/reference_prop.rs:+34:13: +34:14
+                      scope 19 {
+                          debug c => _28;  // in scope 19 at $DIR/reference_prop.rs:+34:13: +34:14
+                      }
+                  }
+              }
+          }
+      }
+      scope 20 {
+          let mut _32: usize;              // in scope 20 at $DIR/reference_prop.rs:+40:13: +40:18
+          scope 21 {
+              debug a => _32;              // in scope 21 at $DIR/reference_prop.rs:+40:13: +40:18
+              let _33: *mut usize;         // in scope 21 at $DIR/reference_prop.rs:+41:13: +41:14
+              scope 22 {
+                  debug b => _33;          // in scope 22 at $DIR/reference_prop.rs:+41:13: +41:14
+                  let _34: usize;          // in scope 22 at $DIR/reference_prop.rs:+42:13: +42:14
+                  scope 23 {
+                      debug c => _34;      // in scope 23 at $DIR/reference_prop.rs:+42:13: +42:14
+                  }
+              }
+          }
+      }
+      scope 24 {
+          let mut _38: usize;              // in scope 24 at $DIR/reference_prop.rs:+48:13: +48:18
+          scope 25 {
+              debug a => _38;              // in scope 25 at $DIR/reference_prop.rs:+48:13: +48:18
+              let _39: *mut usize;         // in scope 25 at $DIR/reference_prop.rs:+49:13: +49:15
+              scope 26 {
+                  debug b1 => _39;         // in scope 26 at $DIR/reference_prop.rs:+49:13: +49:15
+                  let _40: usize;          // in scope 26 at $DIR/reference_prop.rs:+50:13: +50:14
+                  scope 27 {
+                      debug c => _40;      // in scope 27 at $DIR/reference_prop.rs:+50:13: +50:14
+                      let _41: *mut usize; // in scope 27 at $DIR/reference_prop.rs:+51:13: +51:15
+                      scope 28 {
+                          debug b2 => _41; // in scope 28 at $DIR/reference_prop.rs:+51:13: +51:15
+                          let _42: usize;  // in scope 28 at $DIR/reference_prop.rs:+52:13: +52:15
+                          scope 29 {
+                              debug c2 => _42; // in scope 29 at $DIR/reference_prop.rs:+52:13: +52:15
+                              let _43: *mut usize; // in scope 29 at $DIR/reference_prop.rs:+53:13: +53:15
+                              scope 30 {
+                                  debug b3 => _43; // in scope 30 at $DIR/reference_prop.rs:+53:13: +53:15
+                              }
+                          }
+                      }
+                  }
+              }
+          }
+      }
+      scope 31 {
+          let _47: *mut T;                 // in scope 31 at $DIR/reference_prop.rs:+61:13: +61:14
+          scope 32 {
+-             debug a => _47;              // in scope 32 at $DIR/reference_prop.rs:+61:13: +61:14
++             debug a => _1;               // in scope 32 at $DIR/reference_prop.rs:+61:13: +61:14
+              let _48: T;                  // in scope 32 at $DIR/reference_prop.rs:+62:13: +62:14
+              scope 33 {
+                  debug b => _48;          // in scope 33 at $DIR/reference_prop.rs:+62:13: +62:14
+              }
+          }
+      }
+      scope 34 {
+          let _52: *mut T;                 // in scope 34 at $DIR/reference_prop.rs:+68:13: +68:14
+          scope 35 {
+              debug a => _52;              // in scope 35 at $DIR/reference_prop.rs:+68:13: +68:14
+              let _54: T;                  // in scope 35 at $DIR/reference_prop.rs:+70:13: +70:14
+              scope 36 {
+                  debug b => _54;          // in scope 36 at $DIR/reference_prop.rs:+70:13: +70:14
+              }
+          }
+      }
+      scope 37 {
+          let mut _58: usize;              // in scope 37 at $DIR/reference_prop.rs:+76:13: +76:18
+          scope 38 {
+              debug a => _58;              // in scope 38 at $DIR/reference_prop.rs:+76:13: +76:18
+              let _59: *mut usize;         // in scope 38 at $DIR/reference_prop.rs:+77:13: +77:14
+              scope 39 {
+-                 debug b => _59;          // in scope 39 at $DIR/reference_prop.rs:+77:13: +77:14
++                 debug b => &_58;         // in scope 39 at $DIR/reference_prop.rs:+77:13: +77:14
+                  let _60: &*mut usize;    // in scope 39 at $DIR/reference_prop.rs:+78:13: +78:14
+                  scope 40 {
+-                     debug d => _60;      // in scope 40 at $DIR/reference_prop.rs:+78:13: +78:14
++                     debug d => &&_58;    // in scope 40 at $DIR/reference_prop.rs:+78:13: +78:14
+                      let _61: usize;      // in scope 40 at $DIR/reference_prop.rs:+79:13: +79:14
+                      scope 41 {
+                          debug c => _61;  // in scope 41 at $DIR/reference_prop.rs:+79:13: +79:14
+                      }
+                  }
+              }
+          }
+      }
+      scope 42 {
+          let mut _64: usize;              // in scope 42 at $DIR/reference_prop.rs:+85:13: +85:18
+          scope 43 {
+              debug a => _64;              // in scope 43 at $DIR/reference_prop.rs:+85:13: +85:18
+              let mut _65: *mut usize;     // in scope 43 at $DIR/reference_prop.rs:+86:13: +86:18
+              scope 44 {
+-                 debug b => _65;          // in scope 44 at $DIR/reference_prop.rs:+86:13: +86:18
++                 debug b => &_64;         // in scope 44 at $DIR/reference_prop.rs:+86:13: +86:18
+                  let _66: &mut *mut usize; // in scope 44 at $DIR/reference_prop.rs:+87:13: +87:14
+                  scope 45 {
+-                     debug d => _66;      // in scope 45 at $DIR/reference_prop.rs:+87:13: +87:14
++                     debug d => &&_64;    // in scope 45 at $DIR/reference_prop.rs:+87:13: +87:14
+                      let _67: usize;      // in scope 45 at $DIR/reference_prop.rs:+88:13: +88:14
+                      scope 46 {
+                          debug c => _67;  // in scope 46 at $DIR/reference_prop.rs:+88:13: +88:14
+                      }
+                  }
+              }
+          }
+      }
+  
+      bb0: {
+-         StorageLive(_3);                 // scope 0 at $DIR/reference_prop.rs:+2:5: +7:6
+          StorageLive(_4);                 // scope 1 at $DIR/reference_prop.rs:+3:13: +3:18
+          _4 = const 5_usize;              // scope 1 at $DIR/reference_prop.rs:+3:21: +3:28
+-         StorageLive(_5);                 // scope 2 at $DIR/reference_prop.rs:+4:13: +4:14
+-         _5 = &raw mut _4;                // scope 2 at $DIR/reference_prop.rs:+4:17: +4:27
+          StorageLive(_6);                 // scope 3 at $DIR/reference_prop.rs:+5:13: +5:14
+-         _6 = (*_5);                      // scope 3 at $DIR/reference_prop.rs:+5:17: +5:19
++         _6 = _4;                         // scope 3 at $DIR/reference_prop.rs:+5:17: +5:19
+          StorageLive(_7);                 // scope 4 at $DIR/reference_prop.rs:+6:9: +6:19
+          StorageLive(_8);                 // scope 4 at $DIR/reference_prop.rs:+6:16: +6:18
+          _8 = ();                         // scope 4 at $DIR/reference_prop.rs:+6:16: +6:18
+          _7 = opaque::<()>(move _8) -> bb1; // scope 4 at $DIR/reference_prop.rs:+6:9: +6:19
+                                           // mir::Constant
+                                           // + span: $DIR/reference_prop.rs:304:9: 304:15
+                                           // + literal: Const { ty: fn(()) {opaque::<()>}, val: Value(<ZST>) }
+      }
+  
+      bb1: {
+          StorageDead(_8);                 // scope 4 at $DIR/reference_prop.rs:+6:18: +6:19
+          StorageDead(_7);                 // scope 4 at $DIR/reference_prop.rs:+6:19: +6:20
+-         _3 = const ();                   // scope 1 at $DIR/reference_prop.rs:+2:5: +7:6
+          StorageDead(_6);                 // scope 3 at $DIR/reference_prop.rs:+7:5: +7:6
+-         StorageDead(_5);                 // scope 2 at $DIR/reference_prop.rs:+7:5: +7:6
+          StorageDead(_4);                 // scope 1 at $DIR/reference_prop.rs:+7:5: +7:6
+-         StorageDead(_3);                 // scope 0 at $DIR/reference_prop.rs:+7:5: +7:6
+-         StorageLive(_9);                 // scope 0 at $DIR/reference_prop.rs:+10:5: +18:6
+          StorageLive(_10);                // scope 5 at $DIR/reference_prop.rs:+11:13: +11:18
+          _10 = const 5_usize;             // scope 5 at $DIR/reference_prop.rs:+11:21: +11:28
+          StorageLive(_11);                // scope 6 at $DIR/reference_prop.rs:+12:13: +12:19
+          _11 = const 7_usize;             // scope 6 at $DIR/reference_prop.rs:+12:22: +12:29
+          StorageLive(_12);                // scope 7 at $DIR/reference_prop.rs:+13:13: +13:18
+          _12 = &raw mut _10;              // scope 7 at $DIR/reference_prop.rs:+13:21: +13:31
+          StorageLive(_13);                // scope 8 at $DIR/reference_prop.rs:+14:13: +14:24
+          _13 = &raw mut _11;              // scope 8 at $DIR/reference_prop.rs:+14:13: +14:24
+          _12 = move _13;                  // scope 8 at $DIR/reference_prop.rs:+14:9: +14:24
+          StorageDead(_13);                // scope 8 at $DIR/reference_prop.rs:+14:23: +14:24
+          StorageLive(_14);                // scope 8 at $DIR/reference_prop.rs:+16:13: +16:14
+          _14 = (*_12);                    // scope 8 at $DIR/reference_prop.rs:+16:17: +16:19
+          StorageLive(_15);                // scope 9 at $DIR/reference_prop.rs:+17:9: +17:19
+          StorageLive(_16);                // scope 9 at $DIR/reference_prop.rs:+17:16: +17:18
+          _16 = ();                        // scope 9 at $DIR/reference_prop.rs:+17:16: +17:18
+          _15 = opaque::<()>(move _16) -> bb2; // scope 9 at $DIR/reference_prop.rs:+17:9: +17:19
+                                           // mir::Constant
+                                           // + span: $DIR/reference_prop.rs:315:9: 315:15
+                                           // + literal: Const { ty: fn(()) {opaque::<()>}, val: Value(<ZST>) }
+      }
+  
+      bb2: {
+          StorageDead(_16);                // scope 9 at $DIR/reference_prop.rs:+17:18: +17:19
+          StorageDead(_15);                // scope 9 at $DIR/reference_prop.rs:+17:19: +17:20
+-         _9 = const ();                   // scope 5 at $DIR/reference_prop.rs:+10:5: +18:6
+          StorageDead(_14);                // scope 8 at $DIR/reference_prop.rs:+18:5: +18:6
+          StorageDead(_12);                // scope 7 at $DIR/reference_prop.rs:+18:5: +18:6
+          StorageDead(_11);                // scope 6 at $DIR/reference_prop.rs:+18:5: +18:6
+          StorageDead(_10);                // scope 5 at $DIR/reference_prop.rs:+18:5: +18:6
+-         StorageDead(_9);                 // scope 0 at $DIR/reference_prop.rs:+18:5: +18:6
+-         StorageLive(_17);                // scope 0 at $DIR/reference_prop.rs:+21:5: +27:6
+          StorageLive(_18);                // scope 10 at $DIR/reference_prop.rs:+22:13: +22:18
+          _18 = const 5_usize;             // scope 10 at $DIR/reference_prop.rs:+22:21: +22:28
+          StorageLive(_19);                // scope 11 at $DIR/reference_prop.rs:+23:13: +23:14
+          _19 = &raw mut _18;              // scope 11 at $DIR/reference_prop.rs:+23:17: +23:27
+          StorageLive(_20);                // scope 12 at $DIR/reference_prop.rs:+24:13: +24:14
+          _20 = &_19;                      // scope 12 at $DIR/reference_prop.rs:+24:17: +24:19
+          StorageLive(_21);                // scope 13 at $DIR/reference_prop.rs:+25:13: +25:14
+          _21 = (*_19);                    // scope 13 at $DIR/reference_prop.rs:+25:17: +25:19
+          StorageLive(_22);                // scope 14 at $DIR/reference_prop.rs:+26:9: +26:18
+          StorageLive(_23);                // scope 14 at $DIR/reference_prop.rs:+26:16: +26:17
+          _23 = _20;                       // scope 14 at $DIR/reference_prop.rs:+26:16: +26:17
+          _22 = opaque::<&*mut usize>(move _23) -> bb3; // scope 14 at $DIR/reference_prop.rs:+26:9: +26:18
+                                           // mir::Constant
+                                           // + span: $DIR/reference_prop.rs:324:9: 324:15
+                                           // + literal: Const { ty: fn(&*mut usize) {opaque::<&*mut usize>}, val: Value(<ZST>) }
+      }
+  
+      bb3: {
+          StorageDead(_23);                // scope 14 at $DIR/reference_prop.rs:+26:17: +26:18
+          StorageDead(_22);                // scope 14 at $DIR/reference_prop.rs:+26:18: +26:19
+-         _17 = const ();                  // scope 10 at $DIR/reference_prop.rs:+21:5: +27:6
+          StorageDead(_21);                // scope 13 at $DIR/reference_prop.rs:+27:5: +27:6
+          StorageDead(_20);                // scope 12 at $DIR/reference_prop.rs:+27:5: +27:6
+          StorageDead(_19);                // scope 11 at $DIR/reference_prop.rs:+27:5: +27:6
+          StorageDead(_18);                // scope 10 at $DIR/reference_prop.rs:+27:5: +27:6
+-         StorageDead(_17);                // scope 0 at $DIR/reference_prop.rs:+27:5: +27:6
+-         StorageLive(_24);                // scope 0 at $DIR/reference_prop.rs:+30:5: +36:6
+          StorageLive(_25);                // scope 15 at $DIR/reference_prop.rs:+31:13: +31:18
+          _25 = const 5_usize;             // scope 15 at $DIR/reference_prop.rs:+31:21: +31:28
+          StorageLive(_26);                // scope 16 at $DIR/reference_prop.rs:+32:13: +32:18
+          _26 = &raw mut _25;              // scope 16 at $DIR/reference_prop.rs:+32:21: +32:31
+          StorageLive(_27);                // scope 17 at $DIR/reference_prop.rs:+33:13: +33:14
+          _27 = &raw mut _26;              // scope 17 at $DIR/reference_prop.rs:+33:17: +33:27
+          StorageLive(_28);                // scope 18 at $DIR/reference_prop.rs:+34:13: +34:14
+          _28 = (*_26);                    // scope 18 at $DIR/reference_prop.rs:+34:17: +34:19
+          StorageLive(_29);                // scope 19 at $DIR/reference_prop.rs:+35:9: +35:18
+          StorageLive(_30);                // scope 19 at $DIR/reference_prop.rs:+35:16: +35:17
+          _30 = _27;                       // scope 19 at $DIR/reference_prop.rs:+35:16: +35:17
+          _29 = opaque::<*mut *mut usize>(move _30) -> bb4; // scope 19 at $DIR/reference_prop.rs:+35:9: +35:18
+                                           // mir::Constant
+                                           // + span: $DIR/reference_prop.rs:333:9: 333:15
+                                           // + literal: Const { ty: fn(*mut *mut usize) {opaque::<*mut *mut usize>}, val: Value(<ZST>) }
+      }
+  
+      bb4: {
+          StorageDead(_30);                // scope 19 at $DIR/reference_prop.rs:+35:17: +35:18
+          StorageDead(_29);                // scope 19 at $DIR/reference_prop.rs:+35:18: +35:19
+-         _24 = const ();                  // scope 15 at $DIR/reference_prop.rs:+30:5: +36:6
+          StorageDead(_28);                // scope 18 at $DIR/reference_prop.rs:+36:5: +36:6
+          StorageDead(_27);                // scope 17 at $DIR/reference_prop.rs:+36:5: +36:6
+          StorageDead(_26);                // scope 16 at $DIR/reference_prop.rs:+36:5: +36:6
+          StorageDead(_25);                // scope 15 at $DIR/reference_prop.rs:+36:5: +36:6
+-         StorageDead(_24);                // scope 0 at $DIR/reference_prop.rs:+36:5: +36:6
+-         StorageLive(_31);                // scope 0 at $DIR/reference_prop.rs:+39:5: +44:6
+          StorageLive(_32);                // scope 20 at $DIR/reference_prop.rs:+40:13: +40:18
+          _32 = const 7_usize;             // scope 20 at $DIR/reference_prop.rs:+40:21: +40:28
+          StorageLive(_33);                // scope 21 at $DIR/reference_prop.rs:+41:13: +41:14
+          _33 = &raw mut _32;              // scope 21 at $DIR/reference_prop.rs:+41:17: +41:27
+          StorageLive(_34);                // scope 22 at $DIR/reference_prop.rs:+42:13: +42:14
+          _34 = (*_33);                    // scope 22 at $DIR/reference_prop.rs:+42:17: +42:19
+          StorageLive(_35);                // scope 23 at $DIR/reference_prop.rs:+43:9: +43:18
+          StorageLive(_36);                // scope 23 at $DIR/reference_prop.rs:+43:16: +43:17
+          _36 = _33;                       // scope 23 at $DIR/reference_prop.rs:+43:16: +43:17
+          _35 = opaque::<*mut usize>(move _36) -> bb5; // scope 23 at $DIR/reference_prop.rs:+43:9: +43:18
+                                           // mir::Constant
+                                           // + span: $DIR/reference_prop.rs:341:9: 341:15
+                                           // + literal: Const { ty: fn(*mut usize) {opaque::<*mut usize>}, val: Value(<ZST>) }
+      }
+  
+      bb5: {
+          StorageDead(_36);                // scope 23 at $DIR/reference_prop.rs:+43:17: +43:18
+          StorageDead(_35);                // scope 23 at $DIR/reference_prop.rs:+43:18: +43:19
+-         _31 = const ();                  // scope 20 at $DIR/reference_prop.rs:+39:5: +44:6
+          StorageDead(_34);                // scope 22 at $DIR/reference_prop.rs:+44:5: +44:6
+          StorageDead(_33);                // scope 21 at $DIR/reference_prop.rs:+44:5: +44:6
+          StorageDead(_32);                // scope 20 at $DIR/reference_prop.rs:+44:5: +44:6
+-         StorageDead(_31);                // scope 0 at $DIR/reference_prop.rs:+44:5: +44:6
+-         StorageLive(_37);                // scope 0 at $DIR/reference_prop.rs:+47:5: +57:6
+          StorageLive(_38);                // scope 24 at $DIR/reference_prop.rs:+48:13: +48:18
+          _38 = const 7_usize;             // scope 24 at $DIR/reference_prop.rs:+48:21: +48:28
+          StorageLive(_39);                // scope 25 at $DIR/reference_prop.rs:+49:13: +49:15
+          _39 = &raw mut _38;              // scope 25 at $DIR/reference_prop.rs:+49:18: +49:28
+          StorageLive(_40);                // scope 26 at $DIR/reference_prop.rs:+50:13: +50:14
+          _40 = (*_39);                    // scope 26 at $DIR/reference_prop.rs:+50:17: +50:20
+          StorageLive(_41);                // scope 27 at $DIR/reference_prop.rs:+51:13: +51:15
+          _41 = _39;                       // scope 27 at $DIR/reference_prop.rs:+51:18: +51:20
+          StorageLive(_42);                // scope 28 at $DIR/reference_prop.rs:+52:13: +52:15
+          _42 = (*_41);                    // scope 28 at $DIR/reference_prop.rs:+52:18: +52:21
+          StorageLive(_43);                // scope 29 at $DIR/reference_prop.rs:+53:13: +53:15
+          _43 = _41;                       // scope 29 at $DIR/reference_prop.rs:+53:18: +53:20
+          StorageLive(_44);                // scope 30 at $DIR/reference_prop.rs:+56:9: +56:19
+          StorageLive(_45);                // scope 30 at $DIR/reference_prop.rs:+56:16: +56:18
+          _45 = _43;                       // scope 30 at $DIR/reference_prop.rs:+56:16: +56:18
+          _44 = opaque::<*mut usize>(move _45) -> bb6; // scope 30 at $DIR/reference_prop.rs:+56:9: +56:19
+                                           // mir::Constant
+                                           // + span: $DIR/reference_prop.rs:354:9: 354:15
+                                           // + literal: Const { ty: fn(*mut usize) {opaque::<*mut usize>}, val: Value(<ZST>) }
+      }
+  
+      bb6: {
+          StorageDead(_45);                // scope 30 at $DIR/reference_prop.rs:+56:18: +56:19
+          StorageDead(_44);                // scope 30 at $DIR/reference_prop.rs:+56:19: +56:20
+-         _37 = const ();                  // scope 24 at $DIR/reference_prop.rs:+47:5: +57:6
+          StorageDead(_43);                // scope 29 at $DIR/reference_prop.rs:+57:5: +57:6
+          StorageDead(_42);                // scope 28 at $DIR/reference_prop.rs:+57:5: +57:6
+          StorageDead(_41);                // scope 27 at $DIR/reference_prop.rs:+57:5: +57:6
+          StorageDead(_40);                // scope 26 at $DIR/reference_prop.rs:+57:5: +57:6
+          StorageDead(_39);                // scope 25 at $DIR/reference_prop.rs:+57:5: +57:6
+          StorageDead(_38);                // scope 24 at $DIR/reference_prop.rs:+57:5: +57:6
+-         StorageDead(_37);                // scope 0 at $DIR/reference_prop.rs:+57:5: +57:6
+-         StorageLive(_46);                // scope 0 at $DIR/reference_prop.rs:+60:5: +64:6
+-         StorageLive(_47);                // scope 31 at $DIR/reference_prop.rs:+61:13: +61:14
+-         _47 = &raw mut (*_1);            // scope 31 at $DIR/reference_prop.rs:+61:17: +61:33
+          StorageLive(_48);                // scope 32 at $DIR/reference_prop.rs:+62:13: +62:14
+-         _48 = (*_47);                    // scope 32 at $DIR/reference_prop.rs:+62:17: +62:19
++         _48 = (*_1);                     // scope 32 at $DIR/reference_prop.rs:+62:17: +62:19
+          StorageLive(_49);                // scope 33 at $DIR/reference_prop.rs:+63:9: +63:19
+          StorageLive(_50);                // scope 33 at $DIR/reference_prop.rs:+63:16: +63:18
+          _50 = ();                        // scope 33 at $DIR/reference_prop.rs:+63:16: +63:18
+          _49 = opaque::<()>(move _50) -> bb7; // scope 33 at $DIR/reference_prop.rs:+63:9: +63:19
+                                           // mir::Constant
+                                           // + span: $DIR/reference_prop.rs:361:9: 361:15
+                                           // + literal: Const { ty: fn(()) {opaque::<()>}, val: Value(<ZST>) }
+      }
+  
+      bb7: {
+          StorageDead(_50);                // scope 33 at $DIR/reference_prop.rs:+63:18: +63:19
+          StorageDead(_49);                // scope 33 at $DIR/reference_prop.rs:+63:19: +63:20
+-         _46 = const ();                  // scope 31 at $DIR/reference_prop.rs:+60:5: +64:6
+          StorageDead(_48);                // scope 32 at $DIR/reference_prop.rs:+64:5: +64:6
+-         StorageDead(_47);                // scope 31 at $DIR/reference_prop.rs:+64:5: +64:6
+-         StorageDead(_46);                // scope 0 at $DIR/reference_prop.rs:+64:5: +64:6
+-         StorageLive(_51);                // scope 0 at $DIR/reference_prop.rs:+67:5: +72:6
+          StorageLive(_52);                // scope 34 at $DIR/reference_prop.rs:+68:13: +68:14
+          _52 = &raw mut (*_2);            // scope 34 at $DIR/reference_prop.rs:+68:17: +68:35
+          StorageLive(_53);                // scope 35 at $DIR/reference_prop.rs:+69:20: +69:36
+          _53 = &raw mut (*_1);            // scope 35 at $DIR/reference_prop.rs:+69:20: +69:36
+          _2 = move _53;                   // scope 35 at $DIR/reference_prop.rs:+69:9: +69:36
+          StorageDead(_53);                // scope 35 at $DIR/reference_prop.rs:+69:35: +69:36
+          StorageLive(_54);                // scope 35 at $DIR/reference_prop.rs:+70:13: +70:14
+          _54 = (*_52);                    // scope 35 at $DIR/reference_prop.rs:+70:17: +70:19
+          StorageLive(_55);                // scope 36 at $DIR/reference_prop.rs:+71:9: +71:19
+          StorageLive(_56);                // scope 36 at $DIR/reference_prop.rs:+71:16: +71:18
+          _56 = ();                        // scope 36 at $DIR/reference_prop.rs:+71:16: +71:18
+          _55 = opaque::<()>(move _56) -> bb8; // scope 36 at $DIR/reference_prop.rs:+71:9: +71:19
+                                           // mir::Constant
+                                           // + span: $DIR/reference_prop.rs:369:9: 369:15
+                                           // + literal: Const { ty: fn(()) {opaque::<()>}, val: Value(<ZST>) }
+      }
+  
+      bb8: {
+          StorageDead(_56);                // scope 36 at $DIR/reference_prop.rs:+71:18: +71:19
+          StorageDead(_55);                // scope 36 at $DIR/reference_prop.rs:+71:19: +71:20
+-         _51 = const ();                  // scope 34 at $DIR/reference_prop.rs:+67:5: +72:6
+          StorageDead(_54);                // scope 35 at $DIR/reference_prop.rs:+72:5: +72:6
+          StorageDead(_52);                // scope 34 at $DIR/reference_prop.rs:+72:5: +72:6
+-         StorageDead(_51);                // scope 0 at $DIR/reference_prop.rs:+72:5: +72:6
+-         StorageLive(_57);                // scope 0 at $DIR/reference_prop.rs:+75:5: +81:6
+          StorageLive(_58);                // scope 37 at $DIR/reference_prop.rs:+76:13: +76:18
+          _58 = const 5_usize;             // scope 37 at $DIR/reference_prop.rs:+76:21: +76:28
+-         StorageLive(_59);                // scope 38 at $DIR/reference_prop.rs:+77:13: +77:14
+-         _59 = &raw mut _58;              // scope 38 at $DIR/reference_prop.rs:+77:17: +77:27
+-         StorageLive(_60);                // scope 39 at $DIR/reference_prop.rs:+78:13: +78:14
+-         _60 = &_59;                      // scope 39 at $DIR/reference_prop.rs:+78:17: +78:19
+          StorageLive(_61);                // scope 40 at $DIR/reference_prop.rs:+79:13: +79:14
+-         _61 = (*_59);                    // scope 40 at $DIR/reference_prop.rs:+79:17: +79:19
++         _61 = _58;                       // scope 40 at $DIR/reference_prop.rs:+79:17: +79:19
+          StorageLive(_62);                // scope 41 at $DIR/reference_prop.rs:+80:9: +80:19
+          StorageLive(_63);                // scope 41 at $DIR/reference_prop.rs:+80:16: +80:18
+          _63 = ();                        // scope 41 at $DIR/reference_prop.rs:+80:16: +80:18
+          _62 = opaque::<()>(move _63) -> bb9; // scope 41 at $DIR/reference_prop.rs:+80:9: +80:19
+                                           // mir::Constant
+                                           // + span: $DIR/reference_prop.rs:378:9: 378:15
+                                           // + literal: Const { ty: fn(()) {opaque::<()>}, val: Value(<ZST>) }
+      }
+  
+      bb9: {
+          StorageDead(_63);                // scope 41 at $DIR/reference_prop.rs:+80:18: +80:19
+          StorageDead(_62);                // scope 41 at $DIR/reference_prop.rs:+80:19: +80:20
+-         _57 = const ();                  // scope 37 at $DIR/reference_prop.rs:+75:5: +81:6
+          StorageDead(_61);                // scope 40 at $DIR/reference_prop.rs:+81:5: +81:6
+-         StorageDead(_60);                // scope 39 at $DIR/reference_prop.rs:+81:5: +81:6
+-         StorageDead(_59);                // scope 38 at $DIR/reference_prop.rs:+81:5: +81:6
+          StorageDead(_58);                // scope 37 at $DIR/reference_prop.rs:+81:5: +81:6
+-         StorageDead(_57);                // scope 0 at $DIR/reference_prop.rs:+81:5: +81:6
+          StorageLive(_64);                // scope 42 at $DIR/reference_prop.rs:+85:13: +85:18
+          _64 = const 5_usize;             // scope 42 at $DIR/reference_prop.rs:+85:21: +85:28
+-         StorageLive(_65);                // scope 43 at $DIR/reference_prop.rs:+86:13: +86:18
+-         _65 = &raw mut _64;              // scope 43 at $DIR/reference_prop.rs:+86:21: +86:31
+-         StorageLive(_66);                // scope 44 at $DIR/reference_prop.rs:+87:13: +87:14
+-         _66 = &mut _65;                  // scope 44 at $DIR/reference_prop.rs:+87:17: +87:23
+          StorageLive(_67);                // scope 45 at $DIR/reference_prop.rs:+88:13: +88:14
+-         _67 = (*_65);                    // scope 45 at $DIR/reference_prop.rs:+88:17: +88:19
++         _67 = _64;                       // scope 45 at $DIR/reference_prop.rs:+88:17: +88:19
+          StorageLive(_68);                // scope 46 at $DIR/reference_prop.rs:+89:9: +89:19
+          StorageLive(_69);                // scope 46 at $DIR/reference_prop.rs:+89:16: +89:18
+          _69 = ();                        // scope 46 at $DIR/reference_prop.rs:+89:16: +89:18
+          _68 = opaque::<()>(move _69) -> bb10; // scope 46 at $DIR/reference_prop.rs:+89:9: +89:19
+                                           // mir::Constant
+                                           // + span: $DIR/reference_prop.rs:387:9: 387:15
+                                           // + literal: Const { ty: fn(()) {opaque::<()>}, val: Value(<ZST>) }
+      }
+  
+      bb10: {
+          StorageDead(_69);                // scope 46 at $DIR/reference_prop.rs:+89:18: +89:19
+          StorageDead(_68);                // scope 46 at $DIR/reference_prop.rs:+89:19: +89:20
+          _0 = const ();                   // scope 42 at $DIR/reference_prop.rs:+84:5: +90:6
+          StorageDead(_67);                // scope 45 at $DIR/reference_prop.rs:+90:5: +90:6
+-         StorageDead(_66);                // scope 44 at $DIR/reference_prop.rs:+90:5: +90:6
+-         StorageDead(_65);                // scope 43 at $DIR/reference_prop.rs:+90:5: +90:6
+          StorageDead(_64);                // scope 42 at $DIR/reference_prop.rs:+90:5: +90:6
+          return;                          // scope 0 at $DIR/reference_prop.rs:+91:2: +91:2
+      }
+  }
+  
diff --git a/tests/mir-opt/reference_prop.rs b/tests/mir-opt/reference_prop.rs
new file mode 100644
index 00000000000..4083b45470b
--- /dev/null
+++ b/tests/mir-opt/reference_prop.rs
@@ -0,0 +1,592 @@
+// unit-test: ReferencePropagation
+// needs-unwind
+
+#![feature(raw_ref_op)]
+#![feature(core_intrinsics, custom_mir)]
+
+#[inline(never)]
+fn opaque(_: impl Sized) {}
+
+fn reference_propagation<'a, T: Copy>(single: &'a T, mut multiple: &'a T) {
+    // Propagation through a reference.
+    {
+        let a = 5_usize;
+        let b = &a; // This borrow is only used once.
+        let c = *b; // This should be optimized.
+        opaque(()); // We use opaque to separate cases into basic blocks in the MIR.
+    }
+
+    // Propagation through a two references.
+    {
+        let a = 5_usize;
+        let a2 = 7_usize;
+        let mut b = &a;
+        b = &a2;
+        // `b` is assigned twice, so we cannot propagate it.
+        let c = *b;
+        opaque(());
+    }
+
+    // Propagation through a borrowed reference.
+    {
+        let a = 5_usize;
+        let b = &a;
+        let d = &b;
+        let c = *b; // `b` is immutably borrowed, we know its value, but do not propagate it
+        opaque(d); // prevent `d` from being removed.
+    }
+
+    // Propagation through a borrowed reference.
+    {
+        let a = 5_usize;
+        let mut b = &a;
+        let d = &raw mut b;
+        let c = *b; // `b` is mutably borrowed, we cannot know its value.
+        opaque(d); // prevent `d` from being removed.
+    }
+
+    // Propagation through an escaping borrow.
+    {
+        let a = 7_usize;
+        let b = &a;
+        let c = *b;
+        opaque(b); // `b` escapes here, but we can still replace immutable borrow
+    }
+
+    // Propagation through a transitively escaping borrow.
+    {
+        let a = 7_usize;
+        let b1 = &a;
+        let c = *b1;
+        let b2 = b1;
+        let c2 = *b2;
+        let b3 = b2;
+        // `b3` escapes here, so we can only replace immutable borrow,
+        // for either `b`, `b2` or `b3`.
+        opaque(b3);
+    }
+
+    // Propagation a reborrow of an argument.
+    {
+        let a = &*single;
+        let b = *a; // This should be optimized as `*single`.
+        opaque(());
+    }
+
+    // Propagation a reborrow of a mutated argument.
+    {
+        let a = &*multiple;
+        multiple = &*single;
+        let b = *a; // This should not be optimized.
+        opaque(());
+    }
+
+    // Fixed-point propagation through a borrowed reference.
+    {
+        let a = 5_usize;
+        let b = &a;
+        let d = &b; // first round promotes debuginfo for `d`
+        let c = *b; // second round propagates this dereference
+        opaque(());
+    }
+
+    // Fixed-point propagation through a borrowed reference.
+    {
+        let a = 5_usize;
+        let mut b = &a;
+        let d = &mut b; // first round promotes debuginfo for `d`
+        let c = *b; // second round propagates this dereference
+        opaque(());
+    }
+}
+
+fn reference_propagation_mut<'a, T: Copy>(single: &'a mut T, mut multiple: &'a mut T) {
+    // Propagation through a reference.
+    {
+        let mut a = 5_usize;
+        let b = &mut a; // This borrow is only used once.
+        let c = *b; // This should be optimized.
+        opaque(());
+    }
+
+    // Propagation through a two references.
+    {
+        let mut a = 5_usize;
+        let mut a2 = 7_usize;
+        let mut b = &mut a;
+        b = &mut a2;
+        // `b` is assigned twice, so we cannot propagate it.
+        let c = *b;
+        opaque(());
+    }
+
+    // Propagation through a borrowed reference.
+    {
+        let mut a = 5_usize;
+        let b = &mut a;
+        let d = &b;
+        let c = *b; // `b` is immutably borrowed, we know its value, but cannot be removed.
+        opaque(d); // prevent `d` from being removed.
+    }
+
+    // Propagation through a borrowed reference.
+    {
+        let mut a = 5_usize;
+        let mut b = &mut a;
+        let d = &raw mut b;
+        let c = *b; // `b` is mutably borrowed, we cannot know its value.
+        opaque(d); // prevent `d` from being removed.
+    }
+
+    // Propagation through an escaping borrow.
+    {
+        let mut a = 7_usize;
+        let b = &mut a;
+        let c = *b;
+        opaque(b); // `b` escapes here, so we can only replace immutable borrow
+    }
+
+    // Propagation through a transitively escaping borrow.
+    {
+        let mut a = 7_usize;
+        let b1 = &mut a;
+        let c = *b1;
+        let b2 = b1;
+        let c2 = *b2;
+        let b3 = b2;
+        // `b3` escapes here, so we can only replace immutable borrow,
+        // for either `b`, `b2` or `b3`.
+        opaque(b3);
+    }
+
+    // Propagation a reborrow of an argument.
+    {
+        let a = &mut *single;
+        let b = *a; // This should be optimized as `*single`.
+        opaque(());
+    }
+
+    // Propagation a reborrow of a mutated argument.
+    {
+        let a = &mut *multiple;
+        multiple = &mut *single;
+        let b = *a; // This should not be optimized.
+        opaque(());
+    }
+
+    // Fixed-point propagation through a borrowed reference.
+    {
+        let mut a = 5_usize;
+        let b = &mut a;
+        let d = &b; // first round promotes debuginfo for `d`
+        let c = *b; // second round propagates this dereference
+        opaque(());
+    }
+
+    // Fixed-point propagation through a borrowed reference.
+    {
+        let mut a = 5_usize;
+        let mut b = &mut a;
+        let d = &mut b; // first round promotes debuginfo for `d`
+        let c = *b; // second round propagates this dereference
+        opaque(());
+    }
+}
+
+fn reference_propagation_const_ptr<T: Copy>(single: *const T, mut multiple: *const T) {
+    // Propagation through a reference.
+    unsafe {
+        let a = 5_usize;
+        let b = &raw const a; // This borrow is only used once.
+        let c = *b; // This should be optimized.
+        opaque(());
+    }
+
+    // Propagation through a two references.
+    unsafe {
+        let a = 5_usize;
+        let a2 = 7_usize;
+        let mut b = &raw const a;
+        b = &raw const a2;
+        // `b` is assigned twice, so we cannot propagate it.
+        let c = *b;
+        opaque(());
+    }
+
+    // Propagation through a borrowed reference.
+    unsafe {
+        let a = 5_usize;
+        let b = &raw const a;
+        let d = &b;
+        let c = *b; // `b` is immutably borrowed, we know its value, but cannot be removed.
+        opaque(d); // prevent `d` from being removed.
+    }
+
+    // Propagation through a borrowed reference.
+    unsafe {
+        let a = 5_usize;
+        let mut b = &raw const a;
+        let d = &raw mut b;
+        let c = *b; // `b` is mutably borrowed, we cannot know its value.
+        opaque(d); // prevent `d` from being removed.
+    }
+
+    // Propagation through an escaping borrow.
+    unsafe {
+        let a = 7_usize;
+        let b = &raw const a;
+        let c = *b;
+        opaque(b); // `b` escapes here, so we can only replace immutable borrow
+    }
+
+    // Propagation through a transitively escaping borrow.
+    unsafe {
+        let a = 7_usize;
+        let b1 = &raw const a;
+        let c = *b1;
+        let b2 = b1;
+        let c2 = *b2;
+        let b3 = b2;
+        // `b3` escapes here, so we can only replace immutable borrow,
+        // for either `b`, `b2` or `b3`.
+        opaque(b3);
+    }
+
+    // Propagation a reborrow of an argument.
+    unsafe {
+        let a = &raw const *single;
+        let b = *a; // This should be optimized as `*single`.
+        opaque(());
+    }
+
+    // Propagation a reborrow of a mutated argument.
+    unsafe {
+        let a = &raw const *multiple;
+        multiple = &raw const *single;
+        let b = *a; // This should not be optimized.
+        opaque(());
+    }
+
+    // Propagation through a reborrow.
+    unsafe {
+        let a = 13_usize;
+        let b = &raw const a;
+        let c = &raw const *b;
+        let e = *c;
+        opaque(());
+    }
+
+    // Fixed-point propagation through a borrowed reference.
+    unsafe {
+        let a = 5_usize;
+        let b = &raw const a;
+        let d = &b; // first round promotes debuginfo for `d`
+        let c = *b; // second round propagates this dereference
+        opaque(());
+    }
+
+    // Fixed-point propagation through a borrowed reference.
+    unsafe {
+        let a = 5_usize;
+        let mut b = &raw const a;
+        let d = &mut b; // first round promotes debuginfo for `d`
+        let c = *b; // second round propagates this dereference
+        opaque(());
+    }
+}
+
+fn reference_propagation_mut_ptr<T: Copy>(single: *mut T, mut multiple: *mut T) {
+    // Propagation through a reference.
+    unsafe {
+        let mut a = 5_usize;
+        let b = &raw mut a; // This borrow is only used once.
+        let c = *b; // This should be optimized.
+        opaque(());
+    }
+
+    // Propagation through a two references.
+    unsafe {
+        let mut a = 5_usize;
+        let mut a2 = 7_usize;
+        let mut b = &raw mut a;
+        b = &raw mut a2;
+        // `b` is assigned twice, so we cannot propagate it.
+        let c = *b;
+        opaque(());
+    }
+
+    // Propagation through a borrowed reference.
+    unsafe {
+        let mut a = 5_usize;
+        let b = &raw mut a;
+        let d = &b;
+        let c = *b; // `b` is immutably borrowed, we know its value, but cannot be removed.
+        opaque(d); // prevent `d` from being removed.
+    }
+
+    // Propagation through a borrowed reference.
+    unsafe {
+        let mut a = 5_usize;
+        let mut b = &raw mut a;
+        let d = &raw mut b;
+        let c = *b; // `b` is mutably borrowed, we cannot know its value.
+        opaque(d); // prevent `d` from being removed.
+    }
+
+    // Propagation through an escaping borrow.
+    unsafe {
+        let mut a = 7_usize;
+        let b = &raw mut a;
+        let c = *b;
+        opaque(b); // `b` escapes here, so we can only replace immutable borrow
+    }
+
+    // Propagation through a transitively escaping borrow.
+    unsafe {
+        let mut a = 7_usize;
+        let b1 = &raw mut a;
+        let c = *b1;
+        let b2 = b1;
+        let c2 = *b2;
+        let b3 = b2;
+        // `b3` escapes here, so we can only replace immutable borrow,
+        // for either `b`, `b2` or `b3`.
+        opaque(b3);
+    }
+
+    // Propagation a reborrow of an argument.
+    unsafe {
+        let a = &raw mut *single;
+        let b = *a; // This should be optimized as `*single`.
+        opaque(());
+    }
+
+    // Propagation a reborrow of a mutated argument.
+    unsafe {
+        let a = &raw mut *multiple;
+        multiple = &raw mut *single;
+        let b = *a; // This should not be optimized.
+        opaque(());
+    }
+
+    // Fixed-point propagation through a borrowed reference.
+    unsafe {
+        let mut a = 5_usize;
+        let b = &raw mut a;
+        let d = &b; // first round promotes debuginfo for `d`
+        let c = *b; // second round propagates this dereference
+        opaque(());
+    }
+
+    // Fixed-point propagation through a borrowed reference.
+    unsafe {
+        let mut a = 5_usize;
+        let mut b = &raw mut a;
+        let d = &mut b; // first round promotes debuginfo for `d`
+        let c = *b; // second round propagates this dereference
+        opaque(());
+    }
+}
+
+#[custom_mir(dialect = "runtime", phase = "post-cleanup")]
+fn read_through_raw(x: &mut usize) -> usize {
+    use std::intrinsics::mir::*;
+
+    mir!(
+        let r1: &mut usize;
+        let r2: &mut usize;
+        let p1: *mut usize;
+        let p2: *mut usize;
+
+        {
+            r1 = &mut *x;
+            r2 = &mut *r1;
+            p1 = &raw mut *r1;
+            p2 = &raw mut *r2;
+
+            RET = *p1;
+            RET = *p2;
+            Return()
+        }
+    )
+}
+
+#[custom_mir(dialect = "runtime", phase = "post-cleanup")]
+fn multiple_storage() {
+    use std::intrinsics::mir::*;
+
+    mir!(
+        let x: i32;
+        {
+            StorageLive(x);
+            x = 5;
+            let z = &x;
+            StorageDead(x);
+            StorageLive(x);
+            // As there are multiple `StorageLive` statements for `x`, we cannot know if this `z`'s
+            // pointer address is the address of `x`, so do nothing.
+            let y = *z;
+            Call(RET, retblock, opaque(y))
+        }
+
+        retblock = {
+            Return()
+        }
+    )
+}
+
+#[custom_mir(dialect = "runtime", phase = "post-cleanup")]
+fn dominate_storage() {
+    use std::intrinsics::mir::*;
+
+    mir!(
+        let x: i32;
+        let r: &i32;
+        let c: i32;
+        let d: bool;
+        { Goto(bb0) }
+        bb0 = {
+            x = 5;
+            r = &x;
+            Goto(bb1)
+        }
+        bb1 = {
+            let c = *r;
+            Call(RET, bb2, opaque(c))
+        }
+        bb2 = {
+            StorageDead(x);
+            StorageLive(x);
+            let d = true;
+            match d { false => bb2, _ => bb0 }
+        }
+    )
+}
+
+#[custom_mir(dialect = "runtime", phase = "post-cleanup")]
+fn maybe_dead(m: bool) {
+    use std::intrinsics::mir::*;
+
+    mir!(
+        let x: i32;
+        let y: i32;
+        {
+            StorageLive(x);
+            StorageLive(y);
+            x = 5;
+            y = 5;
+            let a = &x;
+            let b = &mut y;
+            // As we don't replace `b` in `bb2`, we cannot replace it here either.
+            *b = 7;
+            // But this can still be replaced.
+            let u = *a;
+            match m { true => bb1, _ => bb2 }
+        }
+        bb1 = {
+            StorageDead(x);
+            StorageDead(y);
+            Call(RET, bb2, opaque(u))
+        }
+        bb2 = {
+            // As `x` may be `StorageDead`, `a` may be dangling, so we do nothing.
+            let z = *a;
+            Call(RET, bb3, opaque(z))
+        }
+        bb3 = {
+            // As `y` may be `StorageDead`, `b` may be dangling, so we do nothing.
+            // This implies that we also do not substitute `b` in `bb0`.
+            let t = *b;
+            Call(RET, retblock, opaque(t))
+        }
+        retblock = {
+            Return()
+        }
+    )
+}
+
+fn mut_raw_then_mut_shr() -> (i32, i32) {
+    let mut x = 2;
+    let xref = &mut x;
+    let xraw = &mut *xref as *mut _;
+    let xshr = &*xref;
+    // Verify that we completely replace with `x` in both cases.
+    let a = *xshr;
+    unsafe { *xraw = 4; }
+    (a, x)
+}
+
+fn unique_with_copies() {
+    let y = {
+        let mut a = 0;
+        let x = &raw mut a;
+        // `*y` is not replacable below, so we must not replace `*x`.
+        unsafe { opaque(*x) };
+        x
+    };
+    // But rewriting as `*x` is ok.
+    unsafe { opaque(*y) };
+}
+
+fn debuginfo() {
+    struct T(u8);
+
+    let ref_mut_u8 = &mut 5_u8;
+    let field = &T(0).0;
+
+    // Verify that we don't emit `&*` in debuginfo.
+    let reborrow = &*ref_mut_u8;
+
+    match Some(0) {
+        None => {}
+        Some(ref variant_field) => {}
+    }
+
+    // `constant_index_from_end` and `subslice` should not be promoted, as their value depends
+    // on the slice length.
+    if let [_, ref constant_index, subslice @ .., ref constant_index_from_end] = &[6; 10][..] {
+    }
+
+    let multiple_borrow = &&&mut T(6).0;
+}
+
+fn many_debuginfo() {
+    let a = 0;
+
+    // Verify that we do not ICE on deeply nested borrows.
+    let many_borrow =
+        &&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&
+        &&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&
+        &&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&
+        &&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&
+        &&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&a;
+}
+
+fn main() {
+    let mut x = 5_usize;
+    let mut y = 7_usize;
+    reference_propagation(&x, &y);
+    reference_propagation_mut(&mut x, &mut y);
+    reference_propagation_const_ptr(&raw const x, &raw const y);
+    reference_propagation_mut_ptr(&raw mut x, &raw mut y);
+    read_through_raw(&mut x);
+    multiple_storage();
+    dominate_storage();
+    maybe_dead(true);
+    mut_raw_then_mut_shr();
+    unique_with_copies();
+    debuginfo();
+    many_debuginfo();
+}
+
+// EMIT_MIR reference_prop.reference_propagation.ReferencePropagation.diff
+// EMIT_MIR reference_prop.reference_propagation_mut.ReferencePropagation.diff
+// EMIT_MIR reference_prop.reference_propagation_const_ptr.ReferencePropagation.diff
+// EMIT_MIR reference_prop.reference_propagation_mut_ptr.ReferencePropagation.diff
+// EMIT_MIR reference_prop.read_through_raw.ReferencePropagation.diff
+// EMIT_MIR reference_prop.multiple_storage.ReferencePropagation.diff
+// EMIT_MIR reference_prop.dominate_storage.ReferencePropagation.diff
+// EMIT_MIR reference_prop.maybe_dead.ReferencePropagation.diff
+// EMIT_MIR reference_prop.mut_raw_then_mut_shr.ReferencePropagation.diff
+// EMIT_MIR reference_prop.unique_with_copies.ReferencePropagation.diff
+// EMIT_MIR reference_prop.debuginfo.ReferencePropagation.diff
diff --git a/tests/mir-opt/reference_prop.unique_with_copies.ReferencePropagation.diff b/tests/mir-opt/reference_prop.unique_with_copies.ReferencePropagation.diff
new file mode 100644
index 00000000000..b754aff4755
--- /dev/null
+++ b/tests/mir-opt/reference_prop.unique_with_copies.ReferencePropagation.diff
@@ -0,0 +1,67 @@
+- // MIR for `unique_with_copies` before ReferencePropagation
++ // MIR for `unique_with_copies` after ReferencePropagation
+  
+  fn unique_with_copies() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/reference_prop.rs:+0:25: +0:25
+      let _1: *mut i32;                    // in scope 0 at $DIR/reference_prop.rs:+1:9: +1:10
+      let mut _2: i32;                     // in scope 0 at $DIR/reference_prop.rs:+2:13: +2:18
+      let _4: ();                          // in scope 0 at $DIR/reference_prop.rs:+5:18: +5:28
+      let mut _5: i32;                     // in scope 0 at $DIR/reference_prop.rs:+5:25: +5:27
+      let _6: ();                          // in scope 0 at $DIR/reference_prop.rs:+9:14: +9:24
+      let mut _7: i32;                     // in scope 0 at $DIR/reference_prop.rs:+9:21: +9:23
+      scope 1 {
+-         debug y => _1;                   // in scope 1 at $DIR/reference_prop.rs:+1:9: +1:10
++         debug y => _3;                   // in scope 1 at $DIR/reference_prop.rs:+1:9: +1:10
+          scope 5 {
+          }
+      }
+      scope 2 {
+          debug a => _2;                   // in scope 2 at $DIR/reference_prop.rs:+2:13: +2:18
+          let _3: *mut i32;                // in scope 2 at $DIR/reference_prop.rs:+3:13: +3:14
+          scope 3 {
+              debug x => _3;               // in scope 3 at $DIR/reference_prop.rs:+3:13: +3:14
+              scope 4 {
+              }
+          }
+      }
+  
+      bb0: {
+-         StorageLive(_1);                 // scope 0 at $DIR/reference_prop.rs:+1:9: +1:10
+          StorageLive(_2);                 // scope 0 at $DIR/reference_prop.rs:+2:13: +2:18
+          _2 = const 0_i32;                // scope 0 at $DIR/reference_prop.rs:+2:21: +2:22
+-         StorageLive(_3);                 // scope 2 at $DIR/reference_prop.rs:+3:13: +3:14
+          _3 = &raw mut _2;                // scope 2 at $DIR/reference_prop.rs:+3:17: +3:27
+          StorageLive(_4);                 // scope 3 at $DIR/reference_prop.rs:+5:9: +5:30
+          StorageLive(_5);                 // scope 4 at $DIR/reference_prop.rs:+5:25: +5:27
+          _5 = (*_3);                      // scope 4 at $DIR/reference_prop.rs:+5:25: +5:27
+          _4 = opaque::<i32>(move _5) -> bb1; // scope 4 at $DIR/reference_prop.rs:+5:18: +5:28
+                                           // mir::Constant
+                                           // + span: $DIR/reference_prop.rs:524:18: 524:24
+                                           // + literal: Const { ty: fn(i32) {opaque::<i32>}, val: Value(<ZST>) }
+      }
+  
+      bb1: {
+          StorageDead(_5);                 // scope 4 at $DIR/reference_prop.rs:+5:27: +5:28
+          StorageDead(_4);                 // scope 3 at $DIR/reference_prop.rs:+5:30: +5:31
+-         _1 = _3;                         // scope 3 at $DIR/reference_prop.rs:+6:9: +6:10
+-         StorageDead(_3);                 // scope 2 at $DIR/reference_prop.rs:+7:5: +7:6
+          StorageDead(_2);                 // scope 0 at $DIR/reference_prop.rs:+7:5: +7:6
+          StorageLive(_6);                 // scope 1 at $DIR/reference_prop.rs:+9:5: +9:26
+          StorageLive(_7);                 // scope 5 at $DIR/reference_prop.rs:+9:21: +9:23
+-         _7 = (*_1);                      // scope 5 at $DIR/reference_prop.rs:+9:21: +9:23
++         _7 = (*_3);                      // scope 5 at $DIR/reference_prop.rs:+9:21: +9:23
+          _6 = opaque::<i32>(move _7) -> bb2; // scope 5 at $DIR/reference_prop.rs:+9:14: +9:24
+                                           // mir::Constant
+                                           // + span: $DIR/reference_prop.rs:528:14: 528:20
+                                           // + literal: Const { ty: fn(i32) {opaque::<i32>}, val: Value(<ZST>) }
+      }
+  
+      bb2: {
+          StorageDead(_7);                 // scope 5 at $DIR/reference_prop.rs:+9:23: +9:24
+          StorageDead(_6);                 // scope 1 at $DIR/reference_prop.rs:+9:26: +9:27
+          _0 = const ();                   // scope 0 at $DIR/reference_prop.rs:+0:25: +10:2
+-         StorageDead(_1);                 // scope 0 at $DIR/reference_prop.rs:+10:1: +10:2
+          return;                          // scope 0 at $DIR/reference_prop.rs:+10:2: +10:2
+      }
+  }
+  
diff --git a/tests/mir-opt/slice_filter.rs b/tests/mir-opt/slice_filter.rs
index 97c18af31de..be32f40f132 100644
--- a/tests/mir-opt/slice_filter.rs
+++ b/tests/mir-opt/slice_filter.rs
@@ -12,7 +12,9 @@ pub fn variant_b(input: &[(usize, usize, usize, usize)]) -> usize {
     input.iter().filter(|&&(a, b, c, d)| a <= c && d <= b || c <= a && b <= d).count()
 }
 
+// EMIT_MIR slice_filter.variant_a-{closure#0}.ReferencePropagation.diff
 // EMIT_MIR slice_filter.variant_a-{closure#0}.CopyProp.diff
 // EMIT_MIR slice_filter.variant_a-{closure#0}.DestinationPropagation.diff
 // EMIT_MIR slice_filter.variant_b-{closure#0}.CopyProp.diff
+// EMIT_MIR slice_filter.variant_b-{closure#0}.ReferencePropagation.diff
 // EMIT_MIR slice_filter.variant_b-{closure#0}.DestinationPropagation.diff
diff --git a/tests/mir-opt/slice_filter.variant_a-{closure#0}.CopyProp.diff b/tests/mir-opt/slice_filter.variant_a-{closure#0}.CopyProp.diff
index 3bb0358ffe3..60e5056c7a9 100644
--- a/tests/mir-opt/slice_filter.variant_a-{closure#0}.CopyProp.diff
+++ b/tests/mir-opt/slice_filter.variant_a-{closure#0}.CopyProp.diff
@@ -101,16 +101,16 @@
       }
   
       bb0: {
--         StorageLive(_3);                 // scope 0 at $DIR/slice_filter.rs:+0:27: +0:28
+          StorageLive(_3);                 // scope 0 at $DIR/slice_filter.rs:+0:27: +0:28
           _25 = deref_copy (*_2);          // scope 0 at $DIR/slice_filter.rs:+0:27: +0:28
           _3 = &((*_25).0: usize);         // scope 0 at $DIR/slice_filter.rs:+0:27: +0:28
--         StorageLive(_4);                 // scope 0 at $DIR/slice_filter.rs:+0:30: +0:31
+          StorageLive(_4);                 // scope 0 at $DIR/slice_filter.rs:+0:30: +0:31
           _26 = deref_copy (*_2);          // scope 0 at $DIR/slice_filter.rs:+0:30: +0:31
           _4 = &((*_26).1: usize);         // scope 0 at $DIR/slice_filter.rs:+0:30: +0:31
--         StorageLive(_5);                 // scope 0 at $DIR/slice_filter.rs:+0:33: +0:34
+          StorageLive(_5);                 // scope 0 at $DIR/slice_filter.rs:+0:33: +0:34
           _27 = deref_copy (*_2);          // scope 0 at $DIR/slice_filter.rs:+0:33: +0:34
           _5 = &((*_27).2: usize);         // scope 0 at $DIR/slice_filter.rs:+0:33: +0:34
--         StorageLive(_6);                 // scope 0 at $DIR/slice_filter.rs:+0:36: +0:37
+          StorageLive(_6);                 // scope 0 at $DIR/slice_filter.rs:+0:36: +0:37
           _28 = deref_copy (*_2);          // scope 0 at $DIR/slice_filter.rs:+0:36: +0:37
           _6 = &((*_28).3: usize);         // scope 0 at $DIR/slice_filter.rs:+0:36: +0:37
           StorageLive(_7);                 // scope 1 at $DIR/slice_filter.rs:+0:40: +0:56
@@ -184,10 +184,10 @@
       bb3: {
           StorageDead(_16);                // scope 1 at $DIR/slice_filter.rs:+0:75: +0:76
           StorageDead(_7);                 // scope 1 at $DIR/slice_filter.rs:+0:75: +0:76
--         StorageDead(_6);                 // scope 0 at $DIR/slice_filter.rs:+0:75: +0:76
--         StorageDead(_5);                 // scope 0 at $DIR/slice_filter.rs:+0:75: +0:76
--         StorageDead(_4);                 // scope 0 at $DIR/slice_filter.rs:+0:75: +0:76
--         StorageDead(_3);                 // scope 0 at $DIR/slice_filter.rs:+0:75: +0:76
+          StorageDead(_6);                 // scope 0 at $DIR/slice_filter.rs:+0:75: +0:76
+          StorageDead(_5);                 // scope 0 at $DIR/slice_filter.rs:+0:75: +0:76
+          StorageDead(_4);                 // scope 0 at $DIR/slice_filter.rs:+0:75: +0:76
+          StorageDead(_3);                 // scope 0 at $DIR/slice_filter.rs:+0:75: +0:76
           return;                          // scope 0 at $DIR/slice_filter.rs:+0:76: +0:76
       }
   
diff --git a/tests/mir-opt/slice_filter.variant_a-{closure#0}.DestinationPropagation.diff b/tests/mir-opt/slice_filter.variant_a-{closure#0}.DestinationPropagation.diff
index 294c3272f4f..afdcf57815f 100644
--- a/tests/mir-opt/slice_filter.variant_a-{closure#0}.DestinationPropagation.diff
+++ b/tests/mir-opt/slice_filter.variant_a-{closure#0}.DestinationPropagation.diff
@@ -3,118 +3,79 @@
   
   fn variant_a::{closure#0}(_1: &mut [closure@$DIR/slice_filter.rs:8:25: 8:39], _2: &&(usize, usize, usize, usize)) -> bool {
       let mut _0: bool;                    // return place in scope 0 at $DIR/slice_filter.rs:+0:40: +0:40
-      let _3: &usize;                      // in scope 0 at $DIR/slice_filter.rs:+0:27: +0:28
-      let _4: &usize;                      // in scope 0 at $DIR/slice_filter.rs:+0:30: +0:31
-      let _5: &usize;                      // in scope 0 at $DIR/slice_filter.rs:+0:33: +0:34
-      let _6: &usize;                      // in scope 0 at $DIR/slice_filter.rs:+0:36: +0:37
-      let mut _7: bool;                    // in scope 0 at $DIR/slice_filter.rs:+0:40: +0:56
-      let mut _8: bool;                    // in scope 0 at $DIR/slice_filter.rs:+0:40: +0:46
-      let mut _9: &&usize;                 // in scope 0 at $DIR/slice_filter.rs:+0:40: +0:41
-      let mut _10: &&usize;                // in scope 0 at $DIR/slice_filter.rs:+0:45: +0:46
-      let _11: &usize;                     // in scope 0 at $DIR/slice_filter.rs:+0:45: +0:46
-      let mut _12: bool;                   // in scope 0 at $DIR/slice_filter.rs:+0:50: +0:56
-      let mut _13: &&usize;                // in scope 0 at $DIR/slice_filter.rs:+0:50: +0:51
-      let mut _14: &&usize;                // in scope 0 at $DIR/slice_filter.rs:+0:55: +0:56
-      let _15: &usize;                     // in scope 0 at $DIR/slice_filter.rs:+0:55: +0:56
-      let mut _16: bool;                   // in scope 0 at $DIR/slice_filter.rs:+0:60: +0:76
-      let mut _17: bool;                   // in scope 0 at $DIR/slice_filter.rs:+0:60: +0:66
-      let mut _18: &&usize;                // in scope 0 at $DIR/slice_filter.rs:+0:60: +0:61
-      let mut _19: &&usize;                // in scope 0 at $DIR/slice_filter.rs:+0:65: +0:66
-      let _20: &usize;                     // in scope 0 at $DIR/slice_filter.rs:+0:65: +0:66
-      let mut _21: bool;                   // in scope 0 at $DIR/slice_filter.rs:+0:70: +0:76
-      let mut _22: &&usize;                // in scope 0 at $DIR/slice_filter.rs:+0:70: +0:71
-      let mut _23: &&usize;                // in scope 0 at $DIR/slice_filter.rs:+0:75: +0:76
-      let _24: &usize;                     // in scope 0 at $DIR/slice_filter.rs:+0:75: +0:76
-      let mut _25: &(usize, usize, usize, usize); // in scope 0 at $DIR/slice_filter.rs:+0:26: +0:38
-      let mut _26: &(usize, usize, usize, usize); // in scope 0 at $DIR/slice_filter.rs:+0:26: +0:38
-      let mut _27: &(usize, usize, usize, usize); // in scope 0 at $DIR/slice_filter.rs:+0:26: +0:38
-      let mut _28: &(usize, usize, usize, usize); // in scope 0 at $DIR/slice_filter.rs:+0:26: +0:38
+      let mut _3: bool;                    // in scope 0 at $DIR/slice_filter.rs:+0:40: +0:56
+      let mut _4: bool;                    // in scope 0 at $DIR/slice_filter.rs:+0:40: +0:46
+      let mut _5: bool;                    // in scope 0 at $DIR/slice_filter.rs:+0:50: +0:56
+      let mut _6: bool;                    // in scope 0 at $DIR/slice_filter.rs:+0:60: +0:76
+      let mut _7: bool;                    // in scope 0 at $DIR/slice_filter.rs:+0:60: +0:66
+      let mut _8: bool;                    // in scope 0 at $DIR/slice_filter.rs:+0:70: +0:76
+      let mut _9: &(usize, usize, usize, usize); // in scope 0 at $DIR/slice_filter.rs:+0:26: +0:38
+      let mut _10: &(usize, usize, usize, usize); // in scope 0 at $DIR/slice_filter.rs:+0:26: +0:38
+      let mut _11: &(usize, usize, usize, usize); // in scope 0 at $DIR/slice_filter.rs:+0:26: +0:38
+      let mut _12: &(usize, usize, usize, usize); // in scope 0 at $DIR/slice_filter.rs:+0:26: +0:38
       scope 1 {
-          debug a => _3;                   // in scope 1 at $DIR/slice_filter.rs:+0:27: +0:28
-          debug b => _4;                   // in scope 1 at $DIR/slice_filter.rs:+0:30: +0:31
-          debug c => _5;                   // in scope 1 at $DIR/slice_filter.rs:+0:33: +0:34
-          debug d => _6;                   // in scope 1 at $DIR/slice_filter.rs:+0:36: +0:37
+          debug a => &((*_9).0: usize);    // in scope 1 at $DIR/slice_filter.rs:+0:27: +0:28
+          debug b => &((*_10).1: usize);   // in scope 1 at $DIR/slice_filter.rs:+0:30: +0:31
+          debug c => &((*_11).2: usize);   // in scope 1 at $DIR/slice_filter.rs:+0:33: +0:34
+          debug d => &((*_12).3: usize);   // in scope 1 at $DIR/slice_filter.rs:+0:36: +0:37
           scope 2 (inlined cmp::impls::<impl PartialOrd for &usize>::le) { // at $DIR/slice_filter.rs:8:40: 8:46
-              debug self => _9;            // in scope 2 at $SRC_DIR/core/src/cmp.rs:LL:COL
-              debug other => _10;          // in scope 2 at $SRC_DIR/core/src/cmp.rs:LL:COL
-              let mut _29: &usize;         // in scope 2 at $SRC_DIR/core/src/cmp.rs:LL:COL
-              let mut _30: &usize;         // in scope 2 at $SRC_DIR/core/src/cmp.rs:LL:COL
+              debug self => &&((*_9).0: usize); // in scope 2 at $SRC_DIR/core/src/cmp.rs:LL:COL
+              debug other => &&((*_11).2: usize); // in scope 2 at $SRC_DIR/core/src/cmp.rs:LL:COL
               scope 3 (inlined cmp::impls::<impl PartialOrd for usize>::le) { // at $SRC_DIR/core/src/cmp.rs:LL:COL
-                  debug self => _29;       // in scope 3 at $SRC_DIR/core/src/cmp.rs:LL:COL
-                  debug other => _30;      // in scope 3 at $SRC_DIR/core/src/cmp.rs:LL:COL
-                  let mut _31: usize;      // in scope 3 at $SRC_DIR/core/src/cmp.rs:LL:COL
-                  let mut _32: usize;      // in scope 3 at $SRC_DIR/core/src/cmp.rs:LL:COL
+                  debug self => &((*_9).0: usize); // in scope 3 at $SRC_DIR/core/src/cmp.rs:LL:COL
+                  debug other => &((*_11).2: usize); // in scope 3 at $SRC_DIR/core/src/cmp.rs:LL:COL
+                  let mut _13: usize;      // in scope 3 at $SRC_DIR/core/src/cmp.rs:LL:COL
+                  let mut _14: usize;      // in scope 3 at $SRC_DIR/core/src/cmp.rs:LL:COL
               }
           }
           scope 4 (inlined cmp::impls::<impl PartialOrd for &usize>::le) { // at $DIR/slice_filter.rs:8:60: 8:66
-              debug self => _18;           // in scope 4 at $SRC_DIR/core/src/cmp.rs:LL:COL
-              debug other => _19;          // in scope 4 at $SRC_DIR/core/src/cmp.rs:LL:COL
-              let mut _33: &usize;         // in scope 4 at $SRC_DIR/core/src/cmp.rs:LL:COL
-              let mut _34: &usize;         // in scope 4 at $SRC_DIR/core/src/cmp.rs:LL:COL
+              debug self => &&((*_11).2: usize); // in scope 4 at $SRC_DIR/core/src/cmp.rs:LL:COL
+              debug other => &&((*_9).0: usize); // in scope 4 at $SRC_DIR/core/src/cmp.rs:LL:COL
               scope 5 (inlined cmp::impls::<impl PartialOrd for usize>::le) { // at $SRC_DIR/core/src/cmp.rs:LL:COL
-                  debug self => _33;       // in scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
-                  debug other => _34;      // in scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
-                  let mut _35: usize;      // in scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
-                  let mut _36: usize;      // in scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
+                  debug self => &((*_11).2: usize); // in scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
+                  debug other => &((*_9).0: usize); // in scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
+                  let mut _15: usize;      // in scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
+                  let mut _16: usize;      // in scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
               }
           }
           scope 6 (inlined cmp::impls::<impl PartialOrd for &usize>::le) { // at $DIR/slice_filter.rs:8:50: 8:56
-              debug self => _13;           // in scope 6 at $SRC_DIR/core/src/cmp.rs:LL:COL
-              debug other => _14;          // in scope 6 at $SRC_DIR/core/src/cmp.rs:LL:COL
-              let mut _37: &usize;         // in scope 6 at $SRC_DIR/core/src/cmp.rs:LL:COL
-              let mut _38: &usize;         // in scope 6 at $SRC_DIR/core/src/cmp.rs:LL:COL
+              debug self => &&((*_12).3: usize); // in scope 6 at $SRC_DIR/core/src/cmp.rs:LL:COL
+              debug other => &&((*_10).1: usize); // in scope 6 at $SRC_DIR/core/src/cmp.rs:LL:COL
               scope 7 (inlined cmp::impls::<impl PartialOrd for usize>::le) { // at $SRC_DIR/core/src/cmp.rs:LL:COL
-                  debug self => _37;       // in scope 7 at $SRC_DIR/core/src/cmp.rs:LL:COL
-                  debug other => _38;      // in scope 7 at $SRC_DIR/core/src/cmp.rs:LL:COL
-                  let mut _39: usize;      // in scope 7 at $SRC_DIR/core/src/cmp.rs:LL:COL
-                  let mut _40: usize;      // in scope 7 at $SRC_DIR/core/src/cmp.rs:LL:COL
+                  debug self => &((*_12).3: usize); // in scope 7 at $SRC_DIR/core/src/cmp.rs:LL:COL
+                  debug other => &((*_10).1: usize); // in scope 7 at $SRC_DIR/core/src/cmp.rs:LL:COL
+                  let mut _17: usize;      // in scope 7 at $SRC_DIR/core/src/cmp.rs:LL:COL
+                  let mut _18: usize;      // in scope 7 at $SRC_DIR/core/src/cmp.rs:LL:COL
               }
           }
           scope 8 (inlined cmp::impls::<impl PartialOrd for &usize>::le) { // at $DIR/slice_filter.rs:8:70: 8:76
-              debug self => _22;           // in scope 8 at $SRC_DIR/core/src/cmp.rs:LL:COL
-              debug other => _23;          // in scope 8 at $SRC_DIR/core/src/cmp.rs:LL:COL
-              let mut _41: &usize;         // in scope 8 at $SRC_DIR/core/src/cmp.rs:LL:COL
-              let mut _42: &usize;         // in scope 8 at $SRC_DIR/core/src/cmp.rs:LL:COL
+              debug self => &&((*_10).1: usize); // in scope 8 at $SRC_DIR/core/src/cmp.rs:LL:COL
+              debug other => &&((*_12).3: usize); // in scope 8 at $SRC_DIR/core/src/cmp.rs:LL:COL
               scope 9 (inlined cmp::impls::<impl PartialOrd for usize>::le) { // at $SRC_DIR/core/src/cmp.rs:LL:COL
-                  debug self => _41;       // in scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
-                  debug other => _42;      // in scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
-                  let mut _43: usize;      // in scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
-                  let mut _44: usize;      // in scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
+                  debug self => &((*_10).1: usize); // in scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
+                  debug other => &((*_12).3: usize); // in scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
+                  let mut _19: usize;      // in scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
+                  let mut _20: usize;      // in scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
               }
           }
       }
   
       bb0: {
-          _25 = deref_copy (*_2);          // scope 0 at $DIR/slice_filter.rs:+0:27: +0:28
-          _3 = &((*_25).0: usize);         // scope 0 at $DIR/slice_filter.rs:+0:27: +0:28
-          _26 = deref_copy (*_2);          // scope 0 at $DIR/slice_filter.rs:+0:30: +0:31
-          _4 = &((*_26).1: usize);         // scope 0 at $DIR/slice_filter.rs:+0:30: +0:31
-          _27 = deref_copy (*_2);          // scope 0 at $DIR/slice_filter.rs:+0:33: +0:34
-          _5 = &((*_27).2: usize);         // scope 0 at $DIR/slice_filter.rs:+0:33: +0:34
-          _28 = deref_copy (*_2);          // scope 0 at $DIR/slice_filter.rs:+0:36: +0:37
-          _6 = &((*_28).3: usize);         // scope 0 at $DIR/slice_filter.rs:+0:36: +0:37
--         StorageLive(_7);                 // scope 1 at $DIR/slice_filter.rs:+0:40: +0:56
+          _9 = deref_copy (*_2);           // scope 0 at $DIR/slice_filter.rs:+0:27: +0:28
+          _10 = deref_copy (*_2);          // scope 0 at $DIR/slice_filter.rs:+0:30: +0:31
+          _11 = deref_copy (*_2);          // scope 0 at $DIR/slice_filter.rs:+0:33: +0:34
+          _12 = deref_copy (*_2);          // scope 0 at $DIR/slice_filter.rs:+0:36: +0:37
+-         StorageLive(_3);                 // scope 1 at $DIR/slice_filter.rs:+0:40: +0:56
 +         nop;                             // scope 1 at $DIR/slice_filter.rs:+0:40: +0:56
-          StorageLive(_8);                 // scope 1 at $DIR/slice_filter.rs:+0:40: +0:46
-          StorageLive(_9);                 // scope 1 at $DIR/slice_filter.rs:+0:40: +0:41
-          _9 = &_3;                        // scope 1 at $DIR/slice_filter.rs:+0:40: +0:41
-          StorageLive(_10);                // scope 1 at $DIR/slice_filter.rs:+0:45: +0:46
-          StorageLive(_11);                // scope 1 at $DIR/slice_filter.rs:+0:45: +0:46
-          _11 = _5;                        // scope 1 at $DIR/slice_filter.rs:+0:45: +0:46
-          _10 = &_11;                      // scope 1 at $DIR/slice_filter.rs:+0:45: +0:46
-          _29 = deref_copy (*_9);          // scope 2 at $SRC_DIR/core/src/cmp.rs:LL:COL
-          _30 = deref_copy (*_10);         // scope 2 at $SRC_DIR/core/src/cmp.rs:LL:COL
-          StorageLive(_31);                // scope 3 at $SRC_DIR/core/src/cmp.rs:LL:COL
-          _31 = (*_29);                    // scope 3 at $SRC_DIR/core/src/cmp.rs:LL:COL
-          StorageLive(_32);                // scope 3 at $SRC_DIR/core/src/cmp.rs:LL:COL
-          _32 = (*_30);                    // scope 3 at $SRC_DIR/core/src/cmp.rs:LL:COL
-          _8 = Le(move _31, move _32);     // scope 3 at $SRC_DIR/core/src/cmp.rs:LL:COL
-          StorageDead(_32);                // scope 3 at $SRC_DIR/core/src/cmp.rs:LL:COL
-          StorageDead(_31);                // scope 3 at $SRC_DIR/core/src/cmp.rs:LL:COL
-          StorageDead(_11);                // scope 1 at $DIR/slice_filter.rs:+0:45: +0:46
-          StorageDead(_10);                // scope 1 at $DIR/slice_filter.rs:+0:45: +0:46
-          StorageDead(_9);                 // scope 1 at $DIR/slice_filter.rs:+0:45: +0:46
-          switchInt(move _8) -> [0: bb4, otherwise: bb5]; // scope 1 at $DIR/slice_filter.rs:+0:40: +0:56
+          StorageLive(_4);                 // scope 1 at $DIR/slice_filter.rs:+0:40: +0:46
+          StorageLive(_13);                // scope 3 at $SRC_DIR/core/src/cmp.rs:LL:COL
+          _13 = ((*_9).0: usize);          // scope 3 at $SRC_DIR/core/src/cmp.rs:LL:COL
+          StorageLive(_14);                // scope 3 at $SRC_DIR/core/src/cmp.rs:LL:COL
+          _14 = ((*_11).2: usize);         // scope 3 at $SRC_DIR/core/src/cmp.rs:LL:COL
+          _4 = Le(move _13, move _14);     // scope 3 at $SRC_DIR/core/src/cmp.rs:LL:COL
+          StorageDead(_14);                // scope 3 at $SRC_DIR/core/src/cmp.rs:LL:COL
+          StorageDead(_13);                // scope 3 at $SRC_DIR/core/src/cmp.rs:LL:COL
+          switchInt(move _4) -> [0: bb4, otherwise: bb5]; // scope 1 at $DIR/slice_filter.rs:+0:40: +0:56
       }
   
       bb1: {
@@ -123,113 +84,80 @@
       }
   
       bb2: {
--         StorageLive(_16);                // scope 1 at $DIR/slice_filter.rs:+0:60: +0:76
+-         StorageLive(_6);                 // scope 1 at $DIR/slice_filter.rs:+0:60: +0:76
 +         nop;                             // scope 1 at $DIR/slice_filter.rs:+0:60: +0:76
-          StorageLive(_17);                // scope 1 at $DIR/slice_filter.rs:+0:60: +0:66
-          StorageLive(_18);                // scope 1 at $DIR/slice_filter.rs:+0:60: +0:61
-          _18 = &_5;                       // scope 1 at $DIR/slice_filter.rs:+0:60: +0:61
-          StorageLive(_19);                // scope 1 at $DIR/slice_filter.rs:+0:65: +0:66
-          StorageLive(_20);                // scope 1 at $DIR/slice_filter.rs:+0:65: +0:66
-          _20 = _3;                        // scope 1 at $DIR/slice_filter.rs:+0:65: +0:66
-          _19 = &_20;                      // scope 1 at $DIR/slice_filter.rs:+0:65: +0:66
-          _33 = deref_copy (*_18);         // scope 4 at $SRC_DIR/core/src/cmp.rs:LL:COL
-          _34 = deref_copy (*_19);         // scope 4 at $SRC_DIR/core/src/cmp.rs:LL:COL
-          StorageLive(_35);                // scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
-          _35 = (*_33);                    // scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
-          StorageLive(_36);                // scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
-          _36 = (*_34);                    // scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
-          _17 = Le(move _35, move _36);    // scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
-          StorageDead(_36);                // scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
-          StorageDead(_35);                // scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
-          StorageDead(_20);                // scope 1 at $DIR/slice_filter.rs:+0:65: +0:66
-          StorageDead(_19);                // scope 1 at $DIR/slice_filter.rs:+0:65: +0:66
-          StorageDead(_18);                // scope 1 at $DIR/slice_filter.rs:+0:65: +0:66
-          switchInt(move _17) -> [0: bb6, otherwise: bb7]; // scope 1 at $DIR/slice_filter.rs:+0:60: +0:76
+          StorageLive(_7);                 // scope 1 at $DIR/slice_filter.rs:+0:60: +0:66
+          StorageLive(_15);                // scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
+          _15 = ((*_11).2: usize);         // scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
+          StorageLive(_16);                // scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
+          _16 = ((*_9).0: usize);          // scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
+          _7 = Le(move _15, move _16);     // scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
+          StorageDead(_16);                // scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
+          StorageDead(_15);                // scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
+          switchInt(move _7) -> [0: bb6, otherwise: bb7]; // scope 1 at $DIR/slice_filter.rs:+0:60: +0:76
       }
   
       bb3: {
--         StorageDead(_16);                // scope 1 at $DIR/slice_filter.rs:+0:75: +0:76
--         StorageDead(_7);                 // scope 1 at $DIR/slice_filter.rs:+0:75: +0:76
+-         StorageDead(_6);                 // scope 1 at $DIR/slice_filter.rs:+0:75: +0:76
+-         StorageDead(_3);                 // scope 1 at $DIR/slice_filter.rs:+0:75: +0:76
 +         nop;                             // scope 1 at $DIR/slice_filter.rs:+0:75: +0:76
 +         nop;                             // scope 1 at $DIR/slice_filter.rs:+0:75: +0:76
           return;                          // scope 0 at $DIR/slice_filter.rs:+0:76: +0:76
       }
   
       bb4: {
--         StorageDead(_12);                // scope 1 at $DIR/slice_filter.rs:+0:55: +0:56
+-         StorageDead(_5);                 // scope 1 at $DIR/slice_filter.rs:+0:55: +0:56
 +         nop;                             // scope 1 at $DIR/slice_filter.rs:+0:55: +0:56
-          StorageDead(_8);                 // scope 1 at $DIR/slice_filter.rs:+0:55: +0:56
+          StorageDead(_4);                 // scope 1 at $DIR/slice_filter.rs:+0:55: +0:56
           goto -> bb2;                     // scope 1 at $DIR/slice_filter.rs:+0:40: +0:56
       }
   
       bb5: {
--         StorageLive(_12);                // scope 1 at $DIR/slice_filter.rs:+0:50: +0:56
+-         StorageLive(_5);                 // scope 1 at $DIR/slice_filter.rs:+0:50: +0:56
 +         nop;                             // scope 1 at $DIR/slice_filter.rs:+0:50: +0:56
-          StorageLive(_13);                // scope 1 at $DIR/slice_filter.rs:+0:50: +0:51
-          _13 = &_6;                       // scope 1 at $DIR/slice_filter.rs:+0:50: +0:51
-          StorageLive(_14);                // scope 1 at $DIR/slice_filter.rs:+0:55: +0:56
-          StorageLive(_15);                // scope 1 at $DIR/slice_filter.rs:+0:55: +0:56
-          _15 = _4;                        // scope 1 at $DIR/slice_filter.rs:+0:55: +0:56
-          _14 = &_15;                      // scope 1 at $DIR/slice_filter.rs:+0:55: +0:56
-          _37 = deref_copy (*_13);         // scope 6 at $SRC_DIR/core/src/cmp.rs:LL:COL
-          _38 = deref_copy (*_14);         // scope 6 at $SRC_DIR/core/src/cmp.rs:LL:COL
-          StorageLive(_39);                // scope 7 at $SRC_DIR/core/src/cmp.rs:LL:COL
-          _39 = (*_37);                    // scope 7 at $SRC_DIR/core/src/cmp.rs:LL:COL
-          StorageLive(_40);                // scope 7 at $SRC_DIR/core/src/cmp.rs:LL:COL
-          _40 = (*_38);                    // scope 7 at $SRC_DIR/core/src/cmp.rs:LL:COL
-          _12 = Le(move _39, move _40);    // scope 7 at $SRC_DIR/core/src/cmp.rs:LL:COL
-          StorageDead(_40);                // scope 7 at $SRC_DIR/core/src/cmp.rs:LL:COL
-          StorageDead(_39);                // scope 7 at $SRC_DIR/core/src/cmp.rs:LL:COL
-          StorageDead(_15);                // scope 1 at $DIR/slice_filter.rs:+0:55: +0:56
-          StorageDead(_14);                // scope 1 at $DIR/slice_filter.rs:+0:55: +0:56
-          StorageDead(_13);                // scope 1 at $DIR/slice_filter.rs:+0:55: +0:56
--         _7 = move _12;                   // scope 1 at $DIR/slice_filter.rs:+0:40: +0:56
--         StorageDead(_12);                // scope 1 at $DIR/slice_filter.rs:+0:55: +0:56
+          StorageLive(_17);                // scope 7 at $SRC_DIR/core/src/cmp.rs:LL:COL
+          _17 = ((*_12).3: usize);         // scope 7 at $SRC_DIR/core/src/cmp.rs:LL:COL
+          StorageLive(_18);                // scope 7 at $SRC_DIR/core/src/cmp.rs:LL:COL
+          _18 = ((*_10).1: usize);         // scope 7 at $SRC_DIR/core/src/cmp.rs:LL:COL
+          _5 = Le(move _17, move _18);     // scope 7 at $SRC_DIR/core/src/cmp.rs:LL:COL
+          StorageDead(_18);                // scope 7 at $SRC_DIR/core/src/cmp.rs:LL:COL
+          StorageDead(_17);                // scope 7 at $SRC_DIR/core/src/cmp.rs:LL:COL
+-         _3 = move _5;                    // scope 1 at $DIR/slice_filter.rs:+0:40: +0:56
+-         StorageDead(_5);                 // scope 1 at $DIR/slice_filter.rs:+0:55: +0:56
 +         nop;                             // scope 1 at $DIR/slice_filter.rs:+0:40: +0:56
 +         nop;                             // scope 1 at $DIR/slice_filter.rs:+0:55: +0:56
-          StorageDead(_8);                 // scope 1 at $DIR/slice_filter.rs:+0:55: +0:56
--         switchInt(move _7) -> [0: bb2, otherwise: bb1]; // scope 1 at $DIR/slice_filter.rs:+0:40: +0:76
-+         switchInt(move _12) -> [0: bb2, otherwise: bb1]; // scope 1 at $DIR/slice_filter.rs:+0:40: +0:76
+          StorageDead(_4);                 // scope 1 at $DIR/slice_filter.rs:+0:55: +0:56
+-         switchInt(move _3) -> [0: bb2, otherwise: bb1]; // scope 1 at $DIR/slice_filter.rs:+0:40: +0:76
++         switchInt(move _5) -> [0: bb2, otherwise: bb1]; // scope 1 at $DIR/slice_filter.rs:+0:40: +0:76
       }
   
       bb6: {
--         _16 = const false;               // scope 1 at $DIR/slice_filter.rs:+0:60: +0:76
+-         _6 = const false;                // scope 1 at $DIR/slice_filter.rs:+0:60: +0:76
 +         _0 = const false;                // scope 1 at $DIR/slice_filter.rs:+0:60: +0:76
           goto -> bb8;                     // scope 1 at $DIR/slice_filter.rs:+0:60: +0:76
       }
   
       bb7: {
--         StorageLive(_21);                // scope 1 at $DIR/slice_filter.rs:+0:70: +0:76
+-         StorageLive(_8);                 // scope 1 at $DIR/slice_filter.rs:+0:70: +0:76
 +         nop;                             // scope 1 at $DIR/slice_filter.rs:+0:70: +0:76
-          StorageLive(_22);                // scope 1 at $DIR/slice_filter.rs:+0:70: +0:71
-          _22 = &_4;                       // scope 1 at $DIR/slice_filter.rs:+0:70: +0:71
-          StorageLive(_23);                // scope 1 at $DIR/slice_filter.rs:+0:75: +0:76
-          StorageLive(_24);                // scope 1 at $DIR/slice_filter.rs:+0:75: +0:76
-          _24 = _6;                        // scope 1 at $DIR/slice_filter.rs:+0:75: +0:76
-          _23 = &_24;                      // scope 1 at $DIR/slice_filter.rs:+0:75: +0:76
-          _41 = deref_copy (*_22);         // scope 8 at $SRC_DIR/core/src/cmp.rs:LL:COL
-          _42 = deref_copy (*_23);         // scope 8 at $SRC_DIR/core/src/cmp.rs:LL:COL
-          StorageLive(_43);                // scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
-          _43 = (*_41);                    // scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
-          StorageLive(_44);                // scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
-          _44 = (*_42);                    // scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
--         _21 = Le(move _43, move _44);    // scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
-+         _0 = Le(move _43, move _44);     // scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
-          StorageDead(_44);                // scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
-          StorageDead(_43);                // scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
-          StorageDead(_24);                // scope 1 at $DIR/slice_filter.rs:+0:75: +0:76
-          StorageDead(_23);                // scope 1 at $DIR/slice_filter.rs:+0:75: +0:76
-          StorageDead(_22);                // scope 1 at $DIR/slice_filter.rs:+0:75: +0:76
--         _16 = move _21;                  // scope 1 at $DIR/slice_filter.rs:+0:60: +0:76
+          StorageLive(_19);                // scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
+          _19 = ((*_10).1: usize);         // scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
+          StorageLive(_20);                // scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
+          _20 = ((*_12).3: usize);         // scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
+-         _8 = Le(move _19, move _20);     // scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
++         _0 = Le(move _19, move _20);     // scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
+          StorageDead(_20);                // scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
+          StorageDead(_19);                // scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
+-         _6 = move _8;                    // scope 1 at $DIR/slice_filter.rs:+0:60: +0:76
 +         nop;                             // scope 1 at $DIR/slice_filter.rs:+0:60: +0:76
           goto -> bb8;                     // scope 1 at $DIR/slice_filter.rs:+0:60: +0:76
       }
   
       bb8: {
--         StorageDead(_21);                // scope 1 at $DIR/slice_filter.rs:+0:75: +0:76
+-         StorageDead(_8);                 // scope 1 at $DIR/slice_filter.rs:+0:75: +0:76
 +         nop;                             // scope 1 at $DIR/slice_filter.rs:+0:75: +0:76
-          StorageDead(_17);                // scope 1 at $DIR/slice_filter.rs:+0:75: +0:76
--         _0 = move _16;                   // scope 1 at $DIR/slice_filter.rs:+0:40: +0:76
+          StorageDead(_7);                 // scope 1 at $DIR/slice_filter.rs:+0:75: +0:76
+-         _0 = move _6;                    // scope 1 at $DIR/slice_filter.rs:+0:40: +0:76
 +         nop;                             // scope 1 at $DIR/slice_filter.rs:+0:40: +0:76
           goto -> bb3;                     // scope 1 at $DIR/slice_filter.rs:+0:40: +0:76
       }
diff --git a/tests/mir-opt/slice_filter.variant_a-{closure#0}.ReferencePropagation.diff b/tests/mir-opt/slice_filter.variant_a-{closure#0}.ReferencePropagation.diff
new file mode 100644
index 00000000000..2534eeef432
--- /dev/null
+++ b/tests/mir-opt/slice_filter.variant_a-{closure#0}.ReferencePropagation.diff
@@ -0,0 +1,267 @@
+- // MIR for `variant_a::{closure#0}` before ReferencePropagation
++ // MIR for `variant_a::{closure#0}` after ReferencePropagation
+  
+  fn variant_a::{closure#0}(_1: &mut [closure@$DIR/slice_filter.rs:8:25: 8:39], _2: &&(usize, usize, usize, usize)) -> bool {
+      let mut _0: bool;                    // return place in scope 0 at $DIR/slice_filter.rs:+0:40: +0:40
+      let _3: &usize;                      // in scope 0 at $DIR/slice_filter.rs:+0:27: +0:28
+      let _4: &usize;                      // in scope 0 at $DIR/slice_filter.rs:+0:30: +0:31
+      let _5: &usize;                      // in scope 0 at $DIR/slice_filter.rs:+0:33: +0:34
+      let _6: &usize;                      // in scope 0 at $DIR/slice_filter.rs:+0:36: +0:37
+      let mut _7: bool;                    // in scope 0 at $DIR/slice_filter.rs:+0:40: +0:56
+      let mut _8: bool;                    // in scope 0 at $DIR/slice_filter.rs:+0:40: +0:46
+      let mut _9: &&usize;                 // in scope 0 at $DIR/slice_filter.rs:+0:40: +0:41
+      let mut _10: &&usize;                // in scope 0 at $DIR/slice_filter.rs:+0:45: +0:46
+      let _11: &usize;                     // in scope 0 at $DIR/slice_filter.rs:+0:45: +0:46
+      let mut _12: bool;                   // in scope 0 at $DIR/slice_filter.rs:+0:50: +0:56
+      let mut _13: &&usize;                // in scope 0 at $DIR/slice_filter.rs:+0:50: +0:51
+      let mut _14: &&usize;                // in scope 0 at $DIR/slice_filter.rs:+0:55: +0:56
+      let _15: &usize;                     // in scope 0 at $DIR/slice_filter.rs:+0:55: +0:56
+      let mut _16: bool;                   // in scope 0 at $DIR/slice_filter.rs:+0:60: +0:76
+      let mut _17: bool;                   // in scope 0 at $DIR/slice_filter.rs:+0:60: +0:66
+      let mut _18: &&usize;                // in scope 0 at $DIR/slice_filter.rs:+0:60: +0:61
+      let mut _19: &&usize;                // in scope 0 at $DIR/slice_filter.rs:+0:65: +0:66
+      let _20: &usize;                     // in scope 0 at $DIR/slice_filter.rs:+0:65: +0:66
+      let mut _21: bool;                   // in scope 0 at $DIR/slice_filter.rs:+0:70: +0:76
+      let mut _22: &&usize;                // in scope 0 at $DIR/slice_filter.rs:+0:70: +0:71
+      let mut _23: &&usize;                // in scope 0 at $DIR/slice_filter.rs:+0:75: +0:76
+      let _24: &usize;                     // in scope 0 at $DIR/slice_filter.rs:+0:75: +0:76
+      let mut _25: &(usize, usize, usize, usize); // in scope 0 at $DIR/slice_filter.rs:+0:26: +0:38
+      let mut _26: &(usize, usize, usize, usize); // in scope 0 at $DIR/slice_filter.rs:+0:26: +0:38
+      let mut _27: &(usize, usize, usize, usize); // in scope 0 at $DIR/slice_filter.rs:+0:26: +0:38
+      let mut _28: &(usize, usize, usize, usize); // in scope 0 at $DIR/slice_filter.rs:+0:26: +0:38
+      let mut _31: &usize;                 // in scope 0 at $SRC_DIR/core/src/cmp.rs:LL:COL
+      let mut _32: &usize;                 // in scope 0 at $SRC_DIR/core/src/cmp.rs:LL:COL
+      let mut _37: &usize;                 // in scope 0 at $SRC_DIR/core/src/cmp.rs:LL:COL
+      let mut _38: &usize;                 // in scope 0 at $SRC_DIR/core/src/cmp.rs:LL:COL
+      let mut _43: &usize;                 // in scope 0 at $SRC_DIR/core/src/cmp.rs:LL:COL
+      let mut _44: &usize;                 // in scope 0 at $SRC_DIR/core/src/cmp.rs:LL:COL
+      let mut _49: &usize;                 // in scope 0 at $SRC_DIR/core/src/cmp.rs:LL:COL
+      let mut _50: &usize;                 // in scope 0 at $SRC_DIR/core/src/cmp.rs:LL:COL
+      scope 1 {
+-         debug a => _3;                   // in scope 1 at $DIR/slice_filter.rs:+0:27: +0:28
+-         debug b => _4;                   // in scope 1 at $DIR/slice_filter.rs:+0:30: +0:31
+-         debug c => _5;                   // in scope 1 at $DIR/slice_filter.rs:+0:33: +0:34
+-         debug d => _6;                   // in scope 1 at $DIR/slice_filter.rs:+0:36: +0:37
++         debug a => &((*_25).0: usize);   // in scope 1 at $DIR/slice_filter.rs:+0:27: +0:28
++         debug b => &((*_26).1: usize);   // in scope 1 at $DIR/slice_filter.rs:+0:30: +0:31
++         debug c => &((*_27).2: usize);   // in scope 1 at $DIR/slice_filter.rs:+0:33: +0:34
++         debug d => &((*_28).3: usize);   // in scope 1 at $DIR/slice_filter.rs:+0:36: +0:37
+          scope 2 (inlined cmp::impls::<impl PartialOrd for &usize>::le) { // at $DIR/slice_filter.rs:8:40: 8:46
+-             debug self => _9;            // in scope 2 at $SRC_DIR/core/src/cmp.rs:LL:COL
+-             debug other => _10;          // in scope 2 at $SRC_DIR/core/src/cmp.rs:LL:COL
++             debug self => &&((*_25).0: usize); // in scope 2 at $SRC_DIR/core/src/cmp.rs:LL:COL
++             debug other => &&((*_27).2: usize); // in scope 2 at $SRC_DIR/core/src/cmp.rs:LL:COL
+              let mut _29: &usize;         // in scope 2 at $SRC_DIR/core/src/cmp.rs:LL:COL
+              let mut _30: &usize;         // in scope 2 at $SRC_DIR/core/src/cmp.rs:LL:COL
+              scope 3 (inlined cmp::impls::<impl PartialOrd for usize>::le) { // at $SRC_DIR/core/src/cmp.rs:LL:COL
+-                 debug self => _29;       // in scope 3 at $SRC_DIR/core/src/cmp.rs:LL:COL
+-                 debug other => _30;      // in scope 3 at $SRC_DIR/core/src/cmp.rs:LL:COL
++                 debug self => &((*_25).0: usize); // in scope 3 at $SRC_DIR/core/src/cmp.rs:LL:COL
++                 debug other => &((*_27).2: usize); // in scope 3 at $SRC_DIR/core/src/cmp.rs:LL:COL
+                  let mut _33: usize;      // in scope 3 at $SRC_DIR/core/src/cmp.rs:LL:COL
+                  let mut _34: usize;      // in scope 3 at $SRC_DIR/core/src/cmp.rs:LL:COL
+              }
+          }
+          scope 4 (inlined cmp::impls::<impl PartialOrd for &usize>::le) { // at $DIR/slice_filter.rs:8:60: 8:66
+-             debug self => _18;           // in scope 4 at $SRC_DIR/core/src/cmp.rs:LL:COL
+-             debug other => _19;          // in scope 4 at $SRC_DIR/core/src/cmp.rs:LL:COL
++             debug self => &&((*_27).2: usize); // in scope 4 at $SRC_DIR/core/src/cmp.rs:LL:COL
++             debug other => &&((*_25).0: usize); // in scope 4 at $SRC_DIR/core/src/cmp.rs:LL:COL
+              let mut _35: &usize;         // in scope 4 at $SRC_DIR/core/src/cmp.rs:LL:COL
+              let mut _36: &usize;         // in scope 4 at $SRC_DIR/core/src/cmp.rs:LL:COL
+              scope 5 (inlined cmp::impls::<impl PartialOrd for usize>::le) { // at $SRC_DIR/core/src/cmp.rs:LL:COL
+-                 debug self => _35;       // in scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
+-                 debug other => _36;      // in scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
++                 debug self => &((*_27).2: usize); // in scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
++                 debug other => &((*_25).0: usize); // in scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
+                  let mut _39: usize;      // in scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
+                  let mut _40: usize;      // in scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
+              }
+          }
+          scope 6 (inlined cmp::impls::<impl PartialOrd for &usize>::le) { // at $DIR/slice_filter.rs:8:50: 8:56
+-             debug self => _13;           // in scope 6 at $SRC_DIR/core/src/cmp.rs:LL:COL
+-             debug other => _14;          // in scope 6 at $SRC_DIR/core/src/cmp.rs:LL:COL
++             debug self => &&((*_28).3: usize); // in scope 6 at $SRC_DIR/core/src/cmp.rs:LL:COL
++             debug other => &&((*_26).1: usize); // in scope 6 at $SRC_DIR/core/src/cmp.rs:LL:COL
+              let mut _41: &usize;         // in scope 6 at $SRC_DIR/core/src/cmp.rs:LL:COL
+              let mut _42: &usize;         // in scope 6 at $SRC_DIR/core/src/cmp.rs:LL:COL
+              scope 7 (inlined cmp::impls::<impl PartialOrd for usize>::le) { // at $SRC_DIR/core/src/cmp.rs:LL:COL
+-                 debug self => _41;       // in scope 7 at $SRC_DIR/core/src/cmp.rs:LL:COL
+-                 debug other => _42;      // in scope 7 at $SRC_DIR/core/src/cmp.rs:LL:COL
++                 debug self => &((*_28).3: usize); // in scope 7 at $SRC_DIR/core/src/cmp.rs:LL:COL
++                 debug other => &((*_26).1: usize); // in scope 7 at $SRC_DIR/core/src/cmp.rs:LL:COL
+                  let mut _45: usize;      // in scope 7 at $SRC_DIR/core/src/cmp.rs:LL:COL
+                  let mut _46: usize;      // in scope 7 at $SRC_DIR/core/src/cmp.rs:LL:COL
+              }
+          }
+          scope 8 (inlined cmp::impls::<impl PartialOrd for &usize>::le) { // at $DIR/slice_filter.rs:8:70: 8:76
+-             debug self => _22;           // in scope 8 at $SRC_DIR/core/src/cmp.rs:LL:COL
+-             debug other => _23;          // in scope 8 at $SRC_DIR/core/src/cmp.rs:LL:COL
++             debug self => &&((*_26).1: usize); // in scope 8 at $SRC_DIR/core/src/cmp.rs:LL:COL
++             debug other => &&((*_28).3: usize); // in scope 8 at $SRC_DIR/core/src/cmp.rs:LL:COL
+              let mut _47: &usize;         // in scope 8 at $SRC_DIR/core/src/cmp.rs:LL:COL
+              let mut _48: &usize;         // in scope 8 at $SRC_DIR/core/src/cmp.rs:LL:COL
+              scope 9 (inlined cmp::impls::<impl PartialOrd for usize>::le) { // at $SRC_DIR/core/src/cmp.rs:LL:COL
+-                 debug self => _47;       // in scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
+-                 debug other => _48;      // in scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
++                 debug self => &((*_26).1: usize); // in scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
++                 debug other => &((*_28).3: usize); // in scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
+                  let mut _51: usize;      // in scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
+                  let mut _52: usize;      // in scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
+              }
+          }
+      }
+  
+      bb0: {
+-         StorageLive(_3);                 // scope 0 at $DIR/slice_filter.rs:+0:27: +0:28
+          _25 = deref_copy (*_2);          // scope 0 at $DIR/slice_filter.rs:+0:27: +0:28
+-         _3 = &((*_25).0: usize);         // scope 0 at $DIR/slice_filter.rs:+0:27: +0:28
+-         StorageLive(_4);                 // scope 0 at $DIR/slice_filter.rs:+0:30: +0:31
+          _26 = deref_copy (*_2);          // scope 0 at $DIR/slice_filter.rs:+0:30: +0:31
+-         _4 = &((*_26).1: usize);         // scope 0 at $DIR/slice_filter.rs:+0:30: +0:31
+-         StorageLive(_5);                 // scope 0 at $DIR/slice_filter.rs:+0:33: +0:34
+          _27 = deref_copy (*_2);          // scope 0 at $DIR/slice_filter.rs:+0:33: +0:34
+-         _5 = &((*_27).2: usize);         // scope 0 at $DIR/slice_filter.rs:+0:33: +0:34
+-         StorageLive(_6);                 // scope 0 at $DIR/slice_filter.rs:+0:36: +0:37
+          _28 = deref_copy (*_2);          // scope 0 at $DIR/slice_filter.rs:+0:36: +0:37
+-         _6 = &((*_28).3: usize);         // scope 0 at $DIR/slice_filter.rs:+0:36: +0:37
+          StorageLive(_7);                 // scope 1 at $DIR/slice_filter.rs:+0:40: +0:56
+          StorageLive(_8);                 // scope 1 at $DIR/slice_filter.rs:+0:40: +0:46
+-         StorageLive(_9);                 // scope 1 at $DIR/slice_filter.rs:+0:40: +0:41
+-         _9 = &_3;                        // scope 1 at $DIR/slice_filter.rs:+0:40: +0:41
+-         StorageLive(_10);                // scope 1 at $DIR/slice_filter.rs:+0:45: +0:46
+-         StorageLive(_11);                // scope 1 at $DIR/slice_filter.rs:+0:45: +0:46
+-         _11 = _5;                        // scope 1 at $DIR/slice_filter.rs:+0:45: +0:46
+-         _10 = &_11;                      // scope 1 at $DIR/slice_filter.rs:+0:45: +0:46
+-         _29 = deref_copy (*_9);          // scope 2 at $SRC_DIR/core/src/cmp.rs:LL:COL
+-         _30 = deref_copy (*_10);         // scope 2 at $SRC_DIR/core/src/cmp.rs:LL:COL
+          StorageLive(_33);                // scope 3 at $SRC_DIR/core/src/cmp.rs:LL:COL
+-         _33 = (*_29);                    // scope 3 at $SRC_DIR/core/src/cmp.rs:LL:COL
++         _33 = ((*_25).0: usize);         // scope 3 at $SRC_DIR/core/src/cmp.rs:LL:COL
+          StorageLive(_34);                // scope 3 at $SRC_DIR/core/src/cmp.rs:LL:COL
+-         _34 = (*_30);                    // scope 3 at $SRC_DIR/core/src/cmp.rs:LL:COL
++         _34 = ((*_27).2: usize);         // scope 3 at $SRC_DIR/core/src/cmp.rs:LL:COL
+          _8 = Le(move _33, move _34);     // scope 3 at $SRC_DIR/core/src/cmp.rs:LL:COL
+          StorageDead(_34);                // scope 3 at $SRC_DIR/core/src/cmp.rs:LL:COL
+          StorageDead(_33);                // scope 3 at $SRC_DIR/core/src/cmp.rs:LL:COL
+-         StorageDead(_11);                // scope 1 at $DIR/slice_filter.rs:+0:45: +0:46
+-         StorageDead(_10);                // scope 1 at $DIR/slice_filter.rs:+0:45: +0:46
+-         StorageDead(_9);                 // scope 1 at $DIR/slice_filter.rs:+0:45: +0:46
+          switchInt(move _8) -> [0: bb4, otherwise: bb5]; // scope 1 at $DIR/slice_filter.rs:+0:40: +0:56
+      }
+  
+      bb1: {
+          _0 = const true;                 // scope 1 at $DIR/slice_filter.rs:+0:40: +0:76
+          goto -> bb3;                     // scope 1 at $DIR/slice_filter.rs:+0:40: +0:76
+      }
+  
+      bb2: {
+          StorageLive(_16);                // scope 1 at $DIR/slice_filter.rs:+0:60: +0:76
+          StorageLive(_17);                // scope 1 at $DIR/slice_filter.rs:+0:60: +0:66
+-         StorageLive(_18);                // scope 1 at $DIR/slice_filter.rs:+0:60: +0:61
+-         _18 = &_5;                       // scope 1 at $DIR/slice_filter.rs:+0:60: +0:61
+-         StorageLive(_19);                // scope 1 at $DIR/slice_filter.rs:+0:65: +0:66
+-         StorageLive(_20);                // scope 1 at $DIR/slice_filter.rs:+0:65: +0:66
+-         _20 = _3;                        // scope 1 at $DIR/slice_filter.rs:+0:65: +0:66
+-         _19 = &_20;                      // scope 1 at $DIR/slice_filter.rs:+0:65: +0:66
+-         _35 = deref_copy (*_18);         // scope 4 at $SRC_DIR/core/src/cmp.rs:LL:COL
+-         _36 = deref_copy (*_19);         // scope 4 at $SRC_DIR/core/src/cmp.rs:LL:COL
+          StorageLive(_39);                // scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
+-         _39 = (*_35);                    // scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
++         _39 = ((*_27).2: usize);         // scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
+          StorageLive(_40);                // scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
+-         _40 = (*_36);                    // scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
++         _40 = ((*_25).0: usize);         // scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
+          _17 = Le(move _39, move _40);    // scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
+          StorageDead(_40);                // scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
+          StorageDead(_39);                // scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
+-         StorageDead(_20);                // scope 1 at $DIR/slice_filter.rs:+0:65: +0:66
+-         StorageDead(_19);                // scope 1 at $DIR/slice_filter.rs:+0:65: +0:66
+-         StorageDead(_18);                // scope 1 at $DIR/slice_filter.rs:+0:65: +0:66
+          switchInt(move _17) -> [0: bb6, otherwise: bb7]; // scope 1 at $DIR/slice_filter.rs:+0:60: +0:76
+      }
+  
+      bb3: {
+          StorageDead(_16);                // scope 1 at $DIR/slice_filter.rs:+0:75: +0:76
+          StorageDead(_7);                 // scope 1 at $DIR/slice_filter.rs:+0:75: +0:76
+-         StorageDead(_6);                 // scope 0 at $DIR/slice_filter.rs:+0:75: +0:76
+-         StorageDead(_5);                 // scope 0 at $DIR/slice_filter.rs:+0:75: +0:76
+-         StorageDead(_4);                 // scope 0 at $DIR/slice_filter.rs:+0:75: +0:76
+-         StorageDead(_3);                 // scope 0 at $DIR/slice_filter.rs:+0:75: +0:76
+          return;                          // scope 0 at $DIR/slice_filter.rs:+0:76: +0:76
+      }
+  
+      bb4: {
+          _7 = const false;                // scope 1 at $DIR/slice_filter.rs:+0:40: +0:56
+          StorageDead(_12);                // scope 1 at $DIR/slice_filter.rs:+0:55: +0:56
+          StorageDead(_8);                 // scope 1 at $DIR/slice_filter.rs:+0:55: +0:56
+          goto -> bb2;                     // scope 1 at $DIR/slice_filter.rs:+0:40: +0:56
+      }
+  
+      bb5: {
+          StorageLive(_12);                // scope 1 at $DIR/slice_filter.rs:+0:50: +0:56
+-         StorageLive(_13);                // scope 1 at $DIR/slice_filter.rs:+0:50: +0:51
+-         _13 = &_6;                       // scope 1 at $DIR/slice_filter.rs:+0:50: +0:51
+-         StorageLive(_14);                // scope 1 at $DIR/slice_filter.rs:+0:55: +0:56
+-         StorageLive(_15);                // scope 1 at $DIR/slice_filter.rs:+0:55: +0:56
+-         _15 = _4;                        // scope 1 at $DIR/slice_filter.rs:+0:55: +0:56
+-         _14 = &_15;                      // scope 1 at $DIR/slice_filter.rs:+0:55: +0:56
+-         _41 = deref_copy (*_13);         // scope 6 at $SRC_DIR/core/src/cmp.rs:LL:COL
+-         _42 = deref_copy (*_14);         // scope 6 at $SRC_DIR/core/src/cmp.rs:LL:COL
+          StorageLive(_45);                // scope 7 at $SRC_DIR/core/src/cmp.rs:LL:COL
+-         _45 = (*_41);                    // scope 7 at $SRC_DIR/core/src/cmp.rs:LL:COL
++         _45 = ((*_28).3: usize);         // scope 7 at $SRC_DIR/core/src/cmp.rs:LL:COL
+          StorageLive(_46);                // scope 7 at $SRC_DIR/core/src/cmp.rs:LL:COL
+-         _46 = (*_42);                    // scope 7 at $SRC_DIR/core/src/cmp.rs:LL:COL
++         _46 = ((*_26).1: usize);         // scope 7 at $SRC_DIR/core/src/cmp.rs:LL:COL
+          _12 = Le(move _45, move _46);    // scope 7 at $SRC_DIR/core/src/cmp.rs:LL:COL
+          StorageDead(_46);                // scope 7 at $SRC_DIR/core/src/cmp.rs:LL:COL
+          StorageDead(_45);                // scope 7 at $SRC_DIR/core/src/cmp.rs:LL:COL
+-         StorageDead(_15);                // scope 1 at $DIR/slice_filter.rs:+0:55: +0:56
+-         StorageDead(_14);                // scope 1 at $DIR/slice_filter.rs:+0:55: +0:56
+-         StorageDead(_13);                // scope 1 at $DIR/slice_filter.rs:+0:55: +0:56
+          _7 = move _12;                   // scope 1 at $DIR/slice_filter.rs:+0:40: +0:56
+          StorageDead(_12);                // scope 1 at $DIR/slice_filter.rs:+0:55: +0:56
+          StorageDead(_8);                 // scope 1 at $DIR/slice_filter.rs:+0:55: +0:56
+          switchInt(move _7) -> [0: bb2, otherwise: bb1]; // scope 1 at $DIR/slice_filter.rs:+0:40: +0:76
+      }
+  
+      bb6: {
+          _16 = const false;               // scope 1 at $DIR/slice_filter.rs:+0:60: +0:76
+          goto -> bb8;                     // scope 1 at $DIR/slice_filter.rs:+0:60: +0:76
+      }
+  
+      bb7: {
+          StorageLive(_21);                // scope 1 at $DIR/slice_filter.rs:+0:70: +0:76
+-         StorageLive(_22);                // scope 1 at $DIR/slice_filter.rs:+0:70: +0:71
+-         _22 = &_4;                       // scope 1 at $DIR/slice_filter.rs:+0:70: +0:71
+-         StorageLive(_23);                // scope 1 at $DIR/slice_filter.rs:+0:75: +0:76
+-         StorageLive(_24);                // scope 1 at $DIR/slice_filter.rs:+0:75: +0:76
+-         _24 = _6;                        // scope 1 at $DIR/slice_filter.rs:+0:75: +0:76
+-         _23 = &_24;                      // scope 1 at $DIR/slice_filter.rs:+0:75: +0:76
+-         _47 = deref_copy (*_22);         // scope 8 at $SRC_DIR/core/src/cmp.rs:LL:COL
+-         _48 = deref_copy (*_23);         // scope 8 at $SRC_DIR/core/src/cmp.rs:LL:COL
+          StorageLive(_51);                // scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
+-         _51 = (*_47);                    // scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
++         _51 = ((*_26).1: usize);         // scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
+          StorageLive(_52);                // scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
+-         _52 = (*_48);                    // scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
++         _52 = ((*_28).3: usize);         // scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
+          _21 = Le(move _51, move _52);    // scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
+          StorageDead(_52);                // scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
+          StorageDead(_51);                // scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
+-         StorageDead(_24);                // scope 1 at $DIR/slice_filter.rs:+0:75: +0:76
+-         StorageDead(_23);                // scope 1 at $DIR/slice_filter.rs:+0:75: +0:76
+-         StorageDead(_22);                // scope 1 at $DIR/slice_filter.rs:+0:75: +0:76
+          _16 = move _21;                  // scope 1 at $DIR/slice_filter.rs:+0:60: +0:76
+          goto -> bb8;                     // scope 1 at $DIR/slice_filter.rs:+0:60: +0:76
+      }
+  
+      bb8: {
+          StorageDead(_21);                // scope 1 at $DIR/slice_filter.rs:+0:75: +0:76
+          StorageDead(_17);                // scope 1 at $DIR/slice_filter.rs:+0:75: +0:76
+          _0 = move _16;                   // scope 1 at $DIR/slice_filter.rs:+0:40: +0:76
+          goto -> bb3;                     // scope 1 at $DIR/slice_filter.rs:+0:40: +0:76
+      }
+  }
+  
diff --git a/tests/mir-opt/slice_filter.variant_b-{closure#0}.ReferencePropagation.diff b/tests/mir-opt/slice_filter.variant_b-{closure#0}.ReferencePropagation.diff
new file mode 100644
index 00000000000..d1241c6b024
--- /dev/null
+++ b/tests/mir-opt/slice_filter.variant_b-{closure#0}.ReferencePropagation.diff
@@ -0,0 +1,103 @@
+- // MIR for `variant_b::{closure#0}` before ReferencePropagation
++ // MIR for `variant_b::{closure#0}` after ReferencePropagation
+  
+  fn variant_b::{closure#0}(_1: &mut [closure@$DIR/slice_filter.rs:12:25: 12:41], _2: &&(usize, usize, usize, usize)) -> bool {
+      let mut _0: bool;                    // return place in scope 0 at $DIR/slice_filter.rs:+0:42: +0:42
+      let _3: usize;                       // in scope 0 at $DIR/slice_filter.rs:+0:29: +0:30
+      let _4: usize;                       // in scope 0 at $DIR/slice_filter.rs:+0:32: +0:33
+      let _5: usize;                       // in scope 0 at $DIR/slice_filter.rs:+0:35: +0:36
+      let _6: usize;                       // in scope 0 at $DIR/slice_filter.rs:+0:38: +0:39
+      let mut _7: bool;                    // in scope 0 at $DIR/slice_filter.rs:+0:42: +0:58
+      let mut _8: bool;                    // in scope 0 at $DIR/slice_filter.rs:+0:42: +0:48
+      let mut _9: usize;                   // in scope 0 at $DIR/slice_filter.rs:+0:42: +0:43
+      let mut _10: usize;                  // in scope 0 at $DIR/slice_filter.rs:+0:47: +0:48
+      let mut _11: bool;                   // in scope 0 at $DIR/slice_filter.rs:+0:52: +0:58
+      let mut _12: usize;                  // in scope 0 at $DIR/slice_filter.rs:+0:52: +0:53
+      let mut _13: usize;                  // in scope 0 at $DIR/slice_filter.rs:+0:57: +0:58
+      let mut _14: bool;                   // in scope 0 at $DIR/slice_filter.rs:+0:62: +0:78
+      let mut _15: bool;                   // in scope 0 at $DIR/slice_filter.rs:+0:62: +0:68
+      let mut _16: usize;                  // in scope 0 at $DIR/slice_filter.rs:+0:62: +0:63
+      let mut _17: usize;                  // in scope 0 at $DIR/slice_filter.rs:+0:67: +0:68
+      let mut _18: bool;                   // in scope 0 at $DIR/slice_filter.rs:+0:72: +0:78
+      let mut _19: usize;                  // in scope 0 at $DIR/slice_filter.rs:+0:72: +0:73
+      let mut _20: usize;                  // in scope 0 at $DIR/slice_filter.rs:+0:77: +0:78
+      let mut _21: &(usize, usize, usize, usize); // in scope 0 at $DIR/slice_filter.rs:+0:26: +0:40
+      let mut _22: &(usize, usize, usize, usize); // in scope 0 at $DIR/slice_filter.rs:+0:26: +0:40
+      let mut _23: &(usize, usize, usize, usize); // in scope 0 at $DIR/slice_filter.rs:+0:26: +0:40
+      let mut _24: &(usize, usize, usize, usize); // in scope 0 at $DIR/slice_filter.rs:+0:26: +0:40
+      scope 1 {
+          debug a => _3;                   // in scope 1 at $DIR/slice_filter.rs:+0:29: +0:30
+          debug b => _4;                   // in scope 1 at $DIR/slice_filter.rs:+0:32: +0:33
+          debug c => _5;                   // in scope 1 at $DIR/slice_filter.rs:+0:35: +0:36
+          debug d => _6;                   // in scope 1 at $DIR/slice_filter.rs:+0:38: +0:39
+      }
+  
+      bb0: {
+          _21 = deref_copy (*_2);          // scope 0 at $DIR/slice_filter.rs:+0:29: +0:30
+          _3 = ((*_21).0: usize);          // scope 0 at $DIR/slice_filter.rs:+0:29: +0:30
+          _22 = deref_copy (*_2);          // scope 0 at $DIR/slice_filter.rs:+0:32: +0:33
+          _4 = ((*_22).1: usize);          // scope 0 at $DIR/slice_filter.rs:+0:32: +0:33
+          _23 = deref_copy (*_2);          // scope 0 at $DIR/slice_filter.rs:+0:35: +0:36
+          _5 = ((*_23).2: usize);          // scope 0 at $DIR/slice_filter.rs:+0:35: +0:36
+          _24 = deref_copy (*_2);          // scope 0 at $DIR/slice_filter.rs:+0:38: +0:39
+          _6 = ((*_24).3: usize);          // scope 0 at $DIR/slice_filter.rs:+0:38: +0:39
+          StorageLive(_7);                 // scope 1 at $DIR/slice_filter.rs:+0:42: +0:58
+          StorageLive(_8);                 // scope 1 at $DIR/slice_filter.rs:+0:42: +0:48
+          _8 = Le(_3, _5);                 // scope 1 at $DIR/slice_filter.rs:+0:42: +0:48
+          switchInt(move _8) -> [0: bb4, otherwise: bb5]; // scope 1 at $DIR/slice_filter.rs:+0:42: +0:58
+      }
+  
+      bb1: {
+          _0 = const true;                 // scope 1 at $DIR/slice_filter.rs:+0:42: +0:78
+          goto -> bb3;                     // scope 1 at $DIR/slice_filter.rs:+0:42: +0:78
+      }
+  
+      bb2: {
+          StorageLive(_14);                // scope 1 at $DIR/slice_filter.rs:+0:62: +0:78
+          StorageLive(_15);                // scope 1 at $DIR/slice_filter.rs:+0:62: +0:68
+          _15 = Le(_5, _3);                // scope 1 at $DIR/slice_filter.rs:+0:62: +0:68
+          switchInt(move _15) -> [0: bb6, otherwise: bb7]; // scope 1 at $DIR/slice_filter.rs:+0:62: +0:78
+      }
+  
+      bb3: {
+          StorageDead(_14);                // scope 1 at $DIR/slice_filter.rs:+0:77: +0:78
+          StorageDead(_7);                 // scope 1 at $DIR/slice_filter.rs:+0:77: +0:78
+          return;                          // scope 0 at $DIR/slice_filter.rs:+0:78: +0:78
+      }
+  
+      bb4: {
+          _7 = const false;                // scope 1 at $DIR/slice_filter.rs:+0:42: +0:58
+          StorageDead(_11);                // scope 1 at $DIR/slice_filter.rs:+0:57: +0:58
+          StorageDead(_8);                 // scope 1 at $DIR/slice_filter.rs:+0:57: +0:58
+          goto -> bb2;                     // scope 1 at $DIR/slice_filter.rs:+0:42: +0:58
+      }
+  
+      bb5: {
+          StorageLive(_11);                // scope 1 at $DIR/slice_filter.rs:+0:52: +0:58
+          _11 = Le(_6, _4);                // scope 1 at $DIR/slice_filter.rs:+0:52: +0:58
+          _7 = move _11;                   // scope 1 at $DIR/slice_filter.rs:+0:42: +0:58
+          StorageDead(_11);                // scope 1 at $DIR/slice_filter.rs:+0:57: +0:58
+          StorageDead(_8);                 // scope 1 at $DIR/slice_filter.rs:+0:57: +0:58
+          switchInt(move _7) -> [0: bb2, otherwise: bb1]; // scope 1 at $DIR/slice_filter.rs:+0:42: +0:78
+      }
+  
+      bb6: {
+          _14 = const false;               // scope 1 at $DIR/slice_filter.rs:+0:62: +0:78
+          goto -> bb8;                     // scope 1 at $DIR/slice_filter.rs:+0:62: +0:78
+      }
+  
+      bb7: {
+          StorageLive(_18);                // scope 1 at $DIR/slice_filter.rs:+0:72: +0:78
+          _18 = Le(_4, _6);                // scope 1 at $DIR/slice_filter.rs:+0:72: +0:78
+          _14 = move _18;                  // scope 1 at $DIR/slice_filter.rs:+0:62: +0:78
+          goto -> bb8;                     // scope 1 at $DIR/slice_filter.rs:+0:62: +0:78
+      }
+  
+      bb8: {
+          StorageDead(_18);                // scope 1 at $DIR/slice_filter.rs:+0:77: +0:78
+          StorageDead(_15);                // scope 1 at $DIR/slice_filter.rs:+0:77: +0:78
+          _0 = move _14;                   // scope 1 at $DIR/slice_filter.rs:+0:42: +0:78
+          goto -> bb3;                     // scope 1 at $DIR/slice_filter.rs:+0:42: +0:78
+      }
+  }
+  
diff --git a/tests/mir-opt/uninhabited_enum.process_void.SimplifyLocals-final.after.mir b/tests/mir-opt/uninhabited_enum.process_void.SimplifyLocals-final.after.mir
index 2af864998cb..4b2a16b50b4 100644
--- a/tests/mir-opt/uninhabited_enum.process_void.SimplifyLocals-final.after.mir
+++ b/tests/mir-opt/uninhabited_enum.process_void.SimplifyLocals-final.after.mir
@@ -3,16 +3,13 @@
 fn process_void(_1: *const Void) -> () {
     debug input => _1;                   // in scope 0 at $DIR/uninhabited_enum.rs:+0:21: +0:26
     let mut _0: ();                      // return place in scope 0 at $DIR/uninhabited_enum.rs:+0:41: +0:41
-    let _2: &Void;                       // in scope 0 at $DIR/uninhabited_enum.rs:+1:8: +1:14
     scope 1 {
-        debug _input => _2;              // in scope 1 at $DIR/uninhabited_enum.rs:+1:8: +1:14
+        debug _input => _1;              // in scope 1 at $DIR/uninhabited_enum.rs:+1:8: +1:14
     }
     scope 2 {
     }
 
     bb0: {
-        StorageLive(_2);                 // scope 0 at $DIR/uninhabited_enum.rs:+1:8: +1:14
-        StorageDead(_2);                 // scope 0 at $DIR/uninhabited_enum.rs:+4:1: +4:2
         return;                          // scope 0 at $DIR/uninhabited_enum.rs:+4:2: +4:2
     }
 }
diff --git a/tests/mir-opt/while_let_loops.change_loop_body.PreCodegen.after.mir b/tests/mir-opt/while_let_loops.change_loop_body.PreCodegen.after.mir
deleted file mode 100644
index 15b0aece8f5..00000000000
--- a/tests/mir-opt/while_let_loops.change_loop_body.PreCodegen.after.mir
+++ /dev/null
@@ -1,17 +0,0 @@
-// MIR for `change_loop_body` after PreCodegen
-
-fn change_loop_body() -> () {
-    let mut _0: ();                      // return place in scope 0 at $DIR/while_let_loops.rs:+0:27: +0:27
-    let mut _1: i32;                     // in scope 0 at $DIR/while_let_loops.rs:+1:9: +1:15
-    scope 1 {
-        debug _x => _1;                  // in scope 1 at $DIR/while_let_loops.rs:+1:9: +1:15
-        scope 2 {
-        }
-    }
-
-    bb0: {
-        StorageLive(_1);                 // scope 0 at $DIR/while_let_loops.rs:+1:9: +1:15
-        StorageDead(_1);                 // scope 0 at $DIR/while_let_loops.rs:+6:1: +6:2
-        return;                          // scope 0 at $DIR/while_let_loops.rs:+6:2: +6:2
-    }
-}
diff --git a/tests/pretty/offset_of.rs b/tests/pretty/offset_of.rs
new file mode 100644
index 00000000000..e1783432857
--- /dev/null
+++ b/tests/pretty/offset_of.rs
@@ -0,0 +1,4 @@
+// pp-exact
+#![feature(offset_of)]
+
+fn main() { std::mem::offset_of!(std :: ops :: Range < usize >, end); }
diff --git a/tests/pretty/tests-are-sorted.pp b/tests/pretty/tests-are-sorted.pp
index 58f746f2e0e..7d7f682130d 100644
--- a/tests/pretty/tests-are-sorted.pp
+++ b/tests/pretty/tests-are-sorted.pp
@@ -79,6 +79,7 @@ pub const a_test: test::TestDescAndFn =
     };
 fn a_test() {}
 #[rustc_main]
+#[no_coverage]
 pub fn main() -> () {
     extern crate test;
     test::test_main_static(&[&a_test, &m_test, &z_test])
diff --git a/tests/run-make-fulldeps/hotplug_codegen_backend/the_backend.rs b/tests/run-make-fulldeps/hotplug_codegen_backend/the_backend.rs
index 8dac53c2a62..7db100a08a1 100644
--- a/tests/run-make-fulldeps/hotplug_codegen_backend/the_backend.rs
+++ b/tests/run-make-fulldeps/hotplug_codegen_backend/the_backend.rs
@@ -67,7 +67,7 @@ impl CodegenBackend for TheBackend {
         let crate_name = codegen_results.crate_info.local_crate_name;
         for &crate_type in sess.opts.crate_types.iter() {
             if crate_type != CrateType::Rlib {
-                sess.fatal(&format!("Crate type is {:?}", crate_type));
+                sess.fatal(format!("Crate type is {:?}", crate_type));
             }
             let output_name = out_filename(sess, crate_type, &outputs, crate_name);
             let mut out_file = ::std::fs::File::create(output_name).unwrap();
diff --git a/tests/run-make-fulldeps/obtain-borrowck/driver.rs b/tests/run-make-fulldeps/obtain-borrowck/driver.rs
index 7bd7bb7c1ea..12cbb5a5f12 100644
--- a/tests/run-make-fulldeps/obtain-borrowck/driver.rs
+++ b/tests/run-make-fulldeps/obtain-borrowck/driver.rs
@@ -24,8 +24,8 @@ use rustc_hir::def::DefKind;
 use rustc_hir::def_id::LocalDefId;
 use rustc_interface::interface::Compiler;
 use rustc_interface::{Config, Queries};
-use rustc_middle::ty::query::query_values::mir_borrowck;
-use rustc_middle::ty::query::{ExternProviders, Providers};
+use rustc_middle::query::query_values::mir_borrowck;
+use rustc_middle::query::{ExternProviders, Providers};
 use rustc_middle::ty::TyCtxt;
 use rustc_session::Session;
 use std::cell::RefCell;
diff --git a/tests/run-make/branch-protection-check-IBT/Makefile b/tests/run-make/branch-protection-check-IBT/Makefile
new file mode 100644
index 00000000000..cabe951e1c5
--- /dev/null
+++ b/tests/run-make/branch-protection-check-IBT/Makefile
@@ -0,0 +1,15 @@
+# Check for GNU Property Note
+
+include ../tools.mk
+
+# How to run this
+# python3 x.py test --target x86_64-unknown-linux-gnu  tests/run-make/branch-protection-check-IBT/
+
+# only-x86_64
+
+all:
+ifeq ($(filter x86,$(LLVM_COMPONENTS)),x86_64)
+	$(RUSTC) --target x86_64-unknown-linux-gnu -Z cf-protection=branch -L$(TMPDIR) -C link-args='-nostartfiles'  -C save-temps  ./main.rs -o $(TMPDIR)/rsmain
+	 readelf -nW $(TMPDIR)/rsmain | $(CGREP) -e ".note.gnu.property"
+endif
+
diff --git a/tests/run-make/branch-protection-check-IBT/main.rs b/tests/run-make/branch-protection-check-IBT/main.rs
new file mode 100644
index 00000000000..ad379d6ea43
--- /dev/null
+++ b/tests/run-make/branch-protection-check-IBT/main.rs
@@ -0,0 +1,3 @@
+fn main() {
+    println!("hello world");
+}
diff --git a/tests/run-make/c-unwind-abi-catch-lib-panic/Makefile b/tests/run-make/c-unwind-abi-catch-lib-panic/Makefile
index 9c41a5a717e..b8e0e9483cd 100644
--- a/tests/run-make/c-unwind-abi-catch-lib-panic/Makefile
+++ b/tests/run-make/c-unwind-abi-catch-lib-panic/Makefile
@@ -1,4 +1,5 @@
 # ignore-cross-compile
+# needs-unwind
 include ../tools.mk
 
 all: archive
diff --git a/tests/run-make/c-unwind-abi-catch-lib-panic/main.rs b/tests/run-make/c-unwind-abi-catch-lib-panic/main.rs
index 78a71219c78..42d3efa82d6 100644
--- a/tests/run-make/c-unwind-abi-catch-lib-panic/main.rs
+++ b/tests/run-make/c-unwind-abi-catch-lib-panic/main.rs
@@ -2,7 +2,6 @@
 //!
 //! This test triggers a panic in a Rust library that our foreign function invokes. This shows
 //! that we can unwind through the C code in that library, and catch the underlying panic.
-#![feature(c_unwind)]
 
 use std::panic::{catch_unwind, AssertUnwindSafe};
 
diff --git a/tests/run-make/c-unwind-abi-catch-lib-panic/panic.rs b/tests/run-make/c-unwind-abi-catch-lib-panic/panic.rs
index a99a04d5c6f..9e7bc3e53a1 100644
--- a/tests/run-make/c-unwind-abi-catch-lib-panic/panic.rs
+++ b/tests/run-make/c-unwind-abi-catch-lib-panic/panic.rs
@@ -1,5 +1,4 @@
 #![crate_type = "staticlib"]
-#![feature(c_unwind)]
 
 /// This function will panic if `x` is greater than 10.
 ///
diff --git a/tests/run-make/c-unwind-abi-catch-panic/Makefile b/tests/run-make/c-unwind-abi-catch-panic/Makefile
index 4398ac2ee24..1760ddb3061 100644
--- a/tests/run-make/c-unwind-abi-catch-panic/Makefile
+++ b/tests/run-make/c-unwind-abi-catch-panic/Makefile
@@ -1,4 +1,5 @@
 # ignore-cross-compile
+# needs-unwind
 include ../tools.mk
 
 all: $(call NATIVE_STATICLIB,add)
diff --git a/tests/run-make/c-unwind-abi-catch-panic/main.rs b/tests/run-make/c-unwind-abi-catch-panic/main.rs
index 15d38d72160..1903be9561c 100644
--- a/tests/run-make/c-unwind-abi-catch-panic/main.rs
+++ b/tests/run-make/c-unwind-abi-catch-panic/main.rs
@@ -1,7 +1,6 @@
 //! A test for calling `C-unwind` functions across foreign function boundaries.
 //!
 //! This test triggers a panic when calling a foreign function that calls *back* into Rust.
-#![feature(c_unwind)]
 
 use std::panic::{catch_unwind, AssertUnwindSafe};
 
diff --git a/tests/run-make/const_fn_mir/Makefile b/tests/run-make/const_fn_mir/Makefile
index b2c268f0439..6d72c122723 100644
--- a/tests/run-make/const_fn_mir/Makefile
+++ b/tests/run-make/const_fn_mir/Makefile
@@ -1,3 +1,4 @@
+# needs-unwind -Cpanic=abort gives different MIR output
 include ../tools.mk
 
 all:
diff --git a/tests/run-make/coverage-llvmir/filecheck.testprog.txt b/tests/run-make/coverage-llvmir/filecheck.testprog.txt
index c943261d799..b3a8808df05 100644
--- a/tests/run-make/coverage-llvmir/filecheck.testprog.txt
+++ b/tests/run-make/coverage-llvmir/filecheck.testprog.txt
@@ -36,7 +36,7 @@ CHECK-SAME:   section "llvm.metadata"
 CHECK:        [[DEFINE_INTERNAL]] { {{.*}} } @_R{{[a-zA-Z0-9_]+}}testprog14will_be_called() unnamed_addr #{{[0-9]+}} {
 CHECK-NEXT:   start:
 CHECK-NOT:    [[DEFINE_INTERNAL]]
-CHECK:        %pgocount = load i64, {{i64\*|ptr}}
+CHECK:        atomicrmw add ptr
 CHECK-SAME:   @__profc__R{{[a-zA-Z0-9_]+}}testprog14will_be_called,
 
 CHECK:        declare void @llvm.instrprof.increment({{i8\*|ptr}}, i64, i32, i32) #[[LLVM_INSTRPROF_INCREMENT_ATTR:[0-9]+]]
diff --git a/tests/run-make/coverage-reports/Makefile b/tests/run-make/coverage-reports/Makefile
index d4ae03e590a..0ae409c4119 100644
--- a/tests/run-make/coverage-reports/Makefile
+++ b/tests/run-make/coverage-reports/Makefile
@@ -138,6 +138,7 @@ endif
 			) \
 		2> "$(TMPDIR)"/show_coverage_stderr.$@.txt \
 		| "$(PYTHON)" $(BASEDIR)/normalize_paths.py \
+		| "$(PYTHON)" $(BASEDIR)/sort_subviews.py \
 		> "$(TMPDIR)"/actual_show_coverage.$@.txt || \
 	( status=$$? ; \
 		>&2 cat "$(TMPDIR)"/show_coverage_stderr.$@.txt ; \
@@ -158,23 +159,15 @@ ifdef RUSTC_BLESS_TEST
 else
 	# Compare the show coverage output (`--bless` refreshes `typical` files).
 	#
-	# FIXME(richkadel): None of the Rust test source samples have the
-	# `// ignore-llvm-cov-show-diffs` anymore. This directive exists to work around a limitation
-	# with `llvm-cov show`. When reporting coverage for multiple instantiations of a generic function,
-	# with different type substitutions, `llvm-cov show` prints these in a non-deterministic order,
-	# breaking the `diff` comparison.
+	# `llvm-cov show` normally prints instantiation groups in an unpredictable
+	# order, but we have used `sort_subviews.py` to sort them, so we can still
+	# check the output directly with `diff`.
 	#
-	# A partial workaround is implemented below, with `diff --ignore-matching-lines=RE`
-	# to ignore each line prefixing each generic instantiation coverage code region.
-	#
-	# This workaround only works if the coverage counts are identical across all reported
-	# instantiations. If there is no way to ensure this, you may need to apply the
-	# `// ignore-llvm-cov-show-diffs` directive, and check for differences using the
-	# `.json` files to validate that results have not changed. (Until then, the JSON
-	# files are redundant, so there is no need to generate `expected_*.json` files or
-	# compare actual JSON results.)
-
-	$(DIFF) --ignore-matching-lines='^  \| .*::<.*>.*:$$' --ignore-matching-lines='^  \| <.*>::.*:$$' \
+	# Some of the test cases are currently not working (since #110393) and have
+	# been marked with `// ignore-llvm-cov-show-diffs` so that they don't fail
+	# the build.
+
+	$(DIFF) \
 		expected_show_coverage.$@.txt "$(TMPDIR)"/actual_show_coverage.$@.txt || \
 		( grep -q '^\/\/ ignore-llvm-cov-show-diffs' $(SOURCEDIR)/$@.rs && \
 			>&2 echo 'diff failed, but suppressed with `// ignore-llvm-cov-show-diffs` in $(SOURCEDIR)/$@.rs' \
diff --git a/tests/run-make/coverage-reports/expected_show_coverage.async.txt b/tests/run-make/coverage-reports/expected_show_coverage.async.txt
index 87ccb6c43ea..93c1535b06b 100644
--- a/tests/run-make/coverage-reports/expected_show_coverage.async.txt
+++ b/tests/run-make/coverage-reports/expected_show_coverage.async.txt
@@ -41,9 +41,9 @@
    41|      1|                    // executed asynchronously.
    42|      1|    match x {
    43|      1|        y if c(x).await == y + 1 => { d().await; }
-                      ^0       ^0                   ^0 ^0
+                      ^0        ^0                  ^0  ^0
    44|      1|        y if f().await == y + 1 => (),
-                      ^0      ^0                 ^0
+                      ^0       ^0                ^0
    45|      1|        _ => (),
    46|       |    }
    47|      1|}
diff --git a/tests/run-make/coverage-reports/expected_show_coverage.sort_groups.txt b/tests/run-make/coverage-reports/expected_show_coverage.sort_groups.txt
new file mode 100644
index 00000000000..81468cb35da
--- /dev/null
+++ b/tests/run-make/coverage-reports/expected_show_coverage.sort_groups.txt
@@ -0,0 +1,49 @@
+    1|       |// compile-flags: --edition=2021
+    2|       |
+    3|       |// Demonstrate that `sort_subviews.py` can sort instantiation groups into a
+    4|       |// predictable order, while preserving their heterogeneous contents.
+    5|       |
+    6|      1|fn main() {
+    7|      1|    let cond = std::env::args().len() > 1;
+    8|      1|    generic_fn::<()>(cond);
+    9|      1|    generic_fn::<&'static str>(!cond);
+   10|      1|    if false {
+   11|      0|        generic_fn::<char>(cond);
+   12|      1|    }
+   13|      1|    generic_fn::<i32>(cond);
+   14|      1|    other_fn();
+   15|      1|}
+   16|       |
+   17|      3|fn generic_fn<T>(cond: bool) {
+   18|      3|    if cond {
+   19|      1|        println!("{}", std::any::type_name::<T>());
+   20|      2|    }
+   21|      3|}
+  ------------------
+  | Unexecuted instantiation: sort_groups::generic_fn::<char>
+  ------------------
+  | sort_groups::generic_fn::<&str>:
+  |   17|      1|fn generic_fn<T>(cond: bool) {
+  |   18|      1|    if cond {
+  |   19|      1|        println!("{}", std::any::type_name::<T>());
+  |   20|      1|    }
+  |                   ^0
+  |   21|      1|}
+  ------------------
+  | sort_groups::generic_fn::<()>:
+  |   17|      1|fn generic_fn<T>(cond: bool) {
+  |   18|      1|    if cond {
+  |   19|      0|        println!("{}", std::any::type_name::<T>());
+  |   20|      1|    }
+  |   21|      1|}
+  ------------------
+  | sort_groups::generic_fn::<i32>:
+  |   17|      1|fn generic_fn<T>(cond: bool) {
+  |   18|      1|    if cond {
+  |   19|      0|        println!("{}", std::any::type_name::<T>());
+  |   20|      1|    }
+  |   21|      1|}
+  ------------------
+   22|       |
+   23|      1|fn other_fn() {}
+
diff --git a/tests/run-make/coverage-reports/expected_show_coverage.test_harness.txt b/tests/run-make/coverage-reports/expected_show_coverage.test_harness.txt
new file mode 100644
index 00000000000..93bd1cfcb48
--- /dev/null
+++ b/tests/run-make/coverage-reports/expected_show_coverage.test_harness.txt
@@ -0,0 +1,11 @@
+    1|       |// Verify that the entry point injected by the test harness doesn't cause
+    2|       |// weird artifacts in the coverage report (e.g. issue #10749).
+    3|       |
+    4|       |// compile-flags: --test
+    5|       |
+    6|       |#[allow(dead_code)]
+    7|      0|fn unused() {}
+    8|       |
+    9|      1|#[test]
+   10|      1|fn my_test() {}
+
diff --git a/tests/run-make/coverage-reports/expected_show_coverage.uses_crate.txt b/tests/run-make/coverage-reports/expected_show_coverage.uses_crate.txt
index 65eb1008dd8..412f4a93b9c 100644
--- a/tests/run-make/coverage-reports/expected_show_coverage.uses_crate.txt
+++ b/tests/run-make/coverage-reports/expected_show_coverage.uses_crate.txt
@@ -19,29 +19,29 @@
    18|      2|    println!("used_only_from_bin_crate_generic_function with {:?}", arg);
    19|      2|}
   ------------------
-  | used_crate::used_only_from_bin_crate_generic_function::<&str>:
+  | Unexecuted instantiation: used_crate::used_only_from_bin_crate_generic_function::<_>
+  ------------------
+  | used_crate::used_only_from_bin_crate_generic_function::<&alloc::vec::Vec<i32>>:
   |   17|      1|pub fn used_only_from_bin_crate_generic_function<T: Debug>(arg: T) {
   |   18|      1|    println!("used_only_from_bin_crate_generic_function with {:?}", arg);
   |   19|      1|}
   ------------------
-  | used_crate::used_only_from_bin_crate_generic_function::<&alloc::vec::Vec<i32>>:
+  | used_crate::used_only_from_bin_crate_generic_function::<&str>:
   |   17|      1|pub fn used_only_from_bin_crate_generic_function<T: Debug>(arg: T) {
   |   18|      1|    println!("used_only_from_bin_crate_generic_function with {:?}", arg);
   |   19|      1|}
   ------------------
-  | Unexecuted instantiation: used_crate::used_only_from_bin_crate_generic_function::<_>
-  ------------------
    20|       |// Expect for above function: `Unexecuted instantiation` (see below)
    21|      2|pub fn used_only_from_this_lib_crate_generic_function<T: Debug>(arg: T) {
    22|      2|    println!("used_only_from_this_lib_crate_generic_function with {:?}", arg);
    23|      2|}
   ------------------
-  | used_crate::used_only_from_this_lib_crate_generic_function::<alloc::vec::Vec<i32>>:
+  | used_crate::used_only_from_this_lib_crate_generic_function::<&str>:
   |   21|      1|pub fn used_only_from_this_lib_crate_generic_function<T: Debug>(arg: T) {
   |   22|      1|    println!("used_only_from_this_lib_crate_generic_function with {:?}", arg);
   |   23|      1|}
   ------------------
-  | used_crate::used_only_from_this_lib_crate_generic_function::<&str>:
+  | used_crate::used_only_from_this_lib_crate_generic_function::<alloc::vec::Vec<i32>>:
   |   21|      1|pub fn used_only_from_this_lib_crate_generic_function<T: Debug>(arg: T) {
   |   22|      1|    println!("used_only_from_this_lib_crate_generic_function with {:?}", arg);
   |   23|      1|}
@@ -51,12 +51,12 @@
    26|      2|    println!("used_from_bin_crate_and_lib_crate_generic_function with {:?}", arg);
    27|      2|}
   ------------------
-  | used_crate::used_from_bin_crate_and_lib_crate_generic_function::<alloc::vec::Vec<i32>>:
+  | used_crate::used_from_bin_crate_and_lib_crate_generic_function::<&str>:
   |   25|      1|pub fn used_from_bin_crate_and_lib_crate_generic_function<T: Debug>(arg: T) {
   |   26|      1|    println!("used_from_bin_crate_and_lib_crate_generic_function with {:?}", arg);
   |   27|      1|}
   ------------------
-  | used_crate::used_from_bin_crate_and_lib_crate_generic_function::<&str>:
+  | used_crate::used_from_bin_crate_and_lib_crate_generic_function::<alloc::vec::Vec<i32>>:
   |   25|      1|pub fn used_from_bin_crate_and_lib_crate_generic_function<T: Debug>(arg: T) {
   |   26|      1|    println!("used_from_bin_crate_and_lib_crate_generic_function with {:?}", arg);
   |   27|      1|}
diff --git a/tests/run-make/coverage-reports/expected_show_coverage.uses_inline_crate.txt b/tests/run-make/coverage-reports/expected_show_coverage.uses_inline_crate.txt
index 748343885de..66ca9e80a32 100644
--- a/tests/run-make/coverage-reports/expected_show_coverage.uses_inline_crate.txt
+++ b/tests/run-make/coverage-reports/expected_show_coverage.uses_inline_crate.txt
@@ -42,6 +42,8 @@
    40|      2|    println!("used_only_from_bin_crate_generic_function with {:?}", arg);
    41|      2|}
   ------------------
+  | Unexecuted instantiation: used_inline_crate::used_only_from_bin_crate_generic_function::<_>
+  ------------------
   | used_inline_crate::used_only_from_bin_crate_generic_function::<&alloc::vec::Vec<i32>>:
   |   39|      1|pub fn used_only_from_bin_crate_generic_function<T: Debug>(arg: T) {
   |   40|      1|    println!("used_only_from_bin_crate_generic_function with {:?}", arg);
@@ -52,8 +54,6 @@
   |   40|      1|    println!("used_only_from_bin_crate_generic_function with {:?}", arg);
   |   41|      1|}
   ------------------
-  | Unexecuted instantiation: used_inline_crate::used_only_from_bin_crate_generic_function::<_>
-  ------------------
    42|       |// Expect for above function: `Unexecuted instantiation` (see notes in `used_crate.rs`)
    43|       |
    44|       |#[inline(always)]
@@ -77,16 +77,16 @@
    51|      3|    println!("used_from_bin_crate_and_lib_crate_generic_function with {:?}", arg);
    52|      3|}
   ------------------
-  | used_inline_crate::used_from_bin_crate_and_lib_crate_generic_function::<alloc::vec::Vec<i32>>:
-  |   50|      1|pub fn used_from_bin_crate_and_lib_crate_generic_function<T: Debug>(arg: T) {
-  |   51|      1|    println!("used_from_bin_crate_and_lib_crate_generic_function with {:?}", arg);
-  |   52|      1|}
-  ------------------
   | used_inline_crate::used_from_bin_crate_and_lib_crate_generic_function::<&str>:
   |   50|      2|pub fn used_from_bin_crate_and_lib_crate_generic_function<T: Debug>(arg: T) {
   |   51|      2|    println!("used_from_bin_crate_and_lib_crate_generic_function with {:?}", arg);
   |   52|      2|}
   ------------------
+  | used_inline_crate::used_from_bin_crate_and_lib_crate_generic_function::<alloc::vec::Vec<i32>>:
+  |   50|      1|pub fn used_from_bin_crate_and_lib_crate_generic_function<T: Debug>(arg: T) {
+  |   51|      1|    println!("used_from_bin_crate_and_lib_crate_generic_function with {:?}", arg);
+  |   52|      1|}
+  ------------------
    53|       |
    54|       |#[inline(always)]
    55|      3|pub fn used_with_same_type_from_bin_crate_and_lib_crate_generic_function<T: Debug>(arg: T) {
diff --git a/tests/run-make/coverage-reports/sort_subviews.py b/tests/run-make/coverage-reports/sort_subviews.py
new file mode 100644
index 00000000000..10cfc51d447
--- /dev/null
+++ b/tests/run-make/coverage-reports/sort_subviews.py
@@ -0,0 +1,50 @@
+#!/usr/bin/env python3
+
+# `llvm-cov show` prints grouped subviews (e.g. for generic functions) in an
+# unstable order, which is inconvenient when checking output snapshots with
+# `diff`. To work around that, this script detects consecutive subviews in its
+# piped input, and sorts them while preserving their contents.
+
+from __future__ import print_function
+
+import sys
+
+
+def main():
+    subviews = []
+
+    def flush_subviews():
+        if not subviews:
+            return
+
+        # The last "subview" should be just a boundary line on its own, so
+        # temporarily remove it before sorting the accumulated subviews.
+        terminator = subviews.pop()
+        subviews.sort()
+        subviews.append(terminator)
+
+        for view in subviews:
+            for line in view:
+                print(line, end="")
+
+        subviews.clear()
+
+    for line in sys.stdin:
+        if line.startswith("  ------------------"):
+            # This is a subview boundary line, so start a new subview.
+            subviews.append([line])
+        elif line.startswith("  |"):
+            # Add this line to the current subview.
+            subviews[-1].append(line)
+        else:
+            # This line is not part of a subview, so sort and print any
+            # accumulated subviews, and then print the line as-is.
+            flush_subviews()
+            print(line, end="")
+
+    flush_subviews()
+    assert not subviews
+
+
+if __name__ == "__main__":
+    main()
diff --git a/tests/run-make/coverage/sort_groups.rs b/tests/run-make/coverage/sort_groups.rs
new file mode 100644
index 00000000000..f89f9f3ec61
--- /dev/null
+++ b/tests/run-make/coverage/sort_groups.rs
@@ -0,0 +1,23 @@
+// compile-flags: --edition=2021
+
+// Demonstrate that `sort_subviews.py` can sort instantiation groups into a
+// predictable order, while preserving their heterogeneous contents.
+
+fn main() {
+    let cond = std::env::args().len() > 1;
+    generic_fn::<()>(cond);
+    generic_fn::<&'static str>(!cond);
+    if false {
+        generic_fn::<char>(cond);
+    }
+    generic_fn::<i32>(cond);
+    other_fn();
+}
+
+fn generic_fn<T>(cond: bool) {
+    if cond {
+        println!("{}", std::any::type_name::<T>());
+    }
+}
+
+fn other_fn() {}
diff --git a/tests/run-make/coverage/test_harness.rs b/tests/run-make/coverage/test_harness.rs
new file mode 100644
index 00000000000..12a755734c1
--- /dev/null
+++ b/tests/run-make/coverage/test_harness.rs
@@ -0,0 +1,10 @@
+// Verify that the entry point injected by the test harness doesn't cause
+// weird artifacts in the coverage report (e.g. issue #10749).
+
+// compile-flags: --test
+
+#[allow(dead_code)]
+fn unused() {}
+
+#[test]
+fn my_test() {}
diff --git a/tests/run-make/debug-assertions/Makefile b/tests/run-make/debug-assertions/Makefile
index e83337c597f..4501459e9d1 100644
--- a/tests/run-make/debug-assertions/Makefile
+++ b/tests/run-make/debug-assertions/Makefile
@@ -1,4 +1,5 @@
 # ignore-cross-compile
+# needs-unwind
 include ../tools.mk
 
 all:
diff --git a/tests/run-make/forced-unwind-terminate-pof/Makefile b/tests/run-make/forced-unwind-terminate-pof/Makefile
new file mode 100644
index 00000000000..871621520b9
--- /dev/null
+++ b/tests/run-make/forced-unwind-terminate-pof/Makefile
@@ -0,0 +1,9 @@
+# ignore-cross-compile
+# only-linux
+include ../tools.mk
+
+all: foo
+	$(call RUN,foo) | $(CGREP) -v "cannot unwind"
+
+foo: foo.rs
+	$(RUSTC) $<
diff --git a/tests/run-make/forced-unwind-terminate-pof/foo.rs b/tests/run-make/forced-unwind-terminate-pof/foo.rs
new file mode 100644
index 00000000000..0a51287313f
--- /dev/null
+++ b/tests/run-make/forced-unwind-terminate-pof/foo.rs
@@ -0,0 +1,17 @@
+// Tests that forced unwind through POF Rust frames wouldn't trigger our terminating guards.
+
+#![feature(c_unwind)]
+#![no_main]
+
+extern "C-unwind" {
+    fn pthread_exit(v: *mut core::ffi::c_void) -> !;
+}
+
+unsafe extern "C" fn call_pthread_exit() {
+    pthread_exit(core::ptr::null_mut());
+}
+
+#[no_mangle]
+unsafe extern "C-unwind" fn main(_argc: core::ffi::c_int, _argv: *mut *mut core::ffi::c_char) {
+    call_pthread_exit();
+}
diff --git a/tests/run-make/foreign-double-unwind/Makefile b/tests/run-make/foreign-double-unwind/Makefile
index f20fe3ce66e..b5e52808d2f 100644
--- a/tests/run-make/foreign-double-unwind/Makefile
+++ b/tests/run-make/foreign-double-unwind/Makefile
@@ -1,4 +1,5 @@
 # ignore-cross-compile
+# needs-unwind
 include ../tools.mk
 
 all: foo
diff --git a/tests/run-make/foreign-double-unwind/foo.rs b/tests/run-make/foreign-double-unwind/foo.rs
index cae8aa9402d..c085480b4f8 100644
--- a/tests/run-make/foreign-double-unwind/foo.rs
+++ b/tests/run-make/foreign-double-unwind/foo.rs
@@ -1,8 +1,6 @@
 // Tests that C++ double unwinding through Rust code will be properly guarded
 // against instead of exhibiting undefined behaviour.
 
-#![feature(c_unwind)]
-
 extern "C-unwind" {
     fn throw_cxx_exception();
     fn cxx_catch_callback(cb: extern "C-unwind" fn());
diff --git a/tests/run-make/foreign-exceptions/Makefile b/tests/run-make/foreign-exceptions/Makefile
index a8e20ffb1f4..56c41b274fb 100644
--- a/tests/run-make/foreign-exceptions/Makefile
+++ b/tests/run-make/foreign-exceptions/Makefile
@@ -1,4 +1,5 @@
 # ignore-cross-compile
+# needs-unwind
 include ../tools.mk
 
 all: foo
diff --git a/tests/run-make/foreign-exceptions/foo.rs b/tests/run-make/foreign-exceptions/foo.rs
index dd3b7c76f28..ccf858d8587 100644
--- a/tests/run-make/foreign-exceptions/foo.rs
+++ b/tests/run-make/foreign-exceptions/foo.rs
@@ -2,8 +2,6 @@
 // are caught by catch_unwind. Also tests that Rust panics can unwind through
 // C++ code.
 
-#![feature(c_unwind)]
-
 use std::panic::{catch_unwind, AssertUnwindSafe};
 
 struct DropCheck<'a>(&'a mut bool);
diff --git a/tests/run-make/foreign-rust-exceptions/Makefile b/tests/run-make/foreign-rust-exceptions/Makefile
index 0d007bf1c49..59cee284200 100644
--- a/tests/run-make/foreign-rust-exceptions/Makefile
+++ b/tests/run-make/foreign-rust-exceptions/Makefile
@@ -1,5 +1,6 @@
 # ignore-cross-compile
 # ignore-i686-pc-windows-gnu
+# needs-unwind
 
 # This test doesn't work on 32-bit MinGW as cdylib has its own copy of unwinder
 # so cross-DLL unwinding does not work.
diff --git a/tests/run-make/foreign-rust-exceptions/bar.rs b/tests/run-make/foreign-rust-exceptions/bar.rs
index 5f9efe32360..1d865b429fa 100644
--- a/tests/run-make/foreign-rust-exceptions/bar.rs
+++ b/tests/run-make/foreign-rust-exceptions/bar.rs
@@ -1,5 +1,4 @@
 #![crate_type = "cdylib"]
-#![feature(c_unwind)]
 
 #[no_mangle]
 extern "C-unwind" fn panic() {
diff --git a/tests/run-make/foreign-rust-exceptions/foo.rs b/tests/run-make/foreign-rust-exceptions/foo.rs
index 266987c5b6d..38942c55b19 100644
--- a/tests/run-make/foreign-rust-exceptions/foo.rs
+++ b/tests/run-make/foreign-rust-exceptions/foo.rs
@@ -1,5 +1,3 @@
-#![feature(c_unwind)]
-
 #[cfg_attr(not(windows), link(name = "bar"))]
 #[cfg_attr(windows, link(name = "bar.dll"))]
 extern "C-unwind" {
diff --git a/tests/run-make/issue-109934-lto-debuginfo/Makefile b/tests/run-make/issue-109934-lto-debuginfo/Makefile
new file mode 100644
index 00000000000..3b7a99d3dbc
--- /dev/null
+++ b/tests/run-make/issue-109934-lto-debuginfo/Makefile
@@ -0,0 +1,12 @@
+# ignore-cross-compile
+include ../tools.mk
+
+# With the upgrade to LLVM 16, this was getting:
+#
+#   error: Cannot represent a difference across sections
+#
+# The error stemmed from DI function definitions under type scopes, fixed by
+# only declaring in type scope and defining the subprogram elsewhere.
+
+all:
+	$(RUSTC) lib.rs --test -C lto=fat -C debuginfo=2 -C incremental=$(TMPDIR)/inc-fat
diff --git a/tests/run-make/issue-109934-lto-debuginfo/lib.rs b/tests/run-make/issue-109934-lto-debuginfo/lib.rs
new file mode 100644
index 00000000000..c405928bd18
--- /dev/null
+++ b/tests/run-make/issue-109934-lto-debuginfo/lib.rs
@@ -0,0 +1,9 @@
+extern crate alloc;
+
+#[cfg(test)]
+mod tests {
+    #[test]
+    fn something_alloc() {
+        assert_eq!(Vec::<u32>::new(), Vec::<u32>::new());
+    }
+}
diff --git a/tests/run-make/libtest-json/Makefile b/tests/run-make/libtest-json/Makefile
index 417637cf072..c8bc7b5dd4a 100644
--- a/tests/run-make/libtest-json/Makefile
+++ b/tests/run-make/libtest-json/Makefile
@@ -1,4 +1,5 @@
 # ignore-cross-compile
+# needs-unwind
 include ../tools.mk
 
 # Test expected libtest's JSON output
diff --git a/tests/run-make/libtest-junit/Makefile b/tests/run-make/libtest-junit/Makefile
new file mode 100644
index 00000000000..d97cafccf1f
--- /dev/null
+++ b/tests/run-make/libtest-junit/Makefile
@@ -0,0 +1,19 @@
+# ignore-cross-compile
+include ../tools.mk
+
+# Test expected libtest's junit output
+
+OUTPUT_FILE_DEFAULT := $(TMPDIR)/libtest-junit-output-default.xml
+OUTPUT_FILE_STDOUT_SUCCESS := $(TMPDIR)/libtest-junit-output-stdout-success.xml
+
+all: f.rs validate_junit.py output-default.xml output-stdout-success.xml
+	$(RUSTC) --test f.rs
+	RUST_BACKTRACE=0 $(call RUN,f) -Z unstable-options --test-threads=1 --format=junit > $(OUTPUT_FILE_DEFAULT) || true
+	RUST_BACKTRACE=0 $(call RUN,f) -Z unstable-options --test-threads=1 --format=junit --show-output > $(OUTPUT_FILE_STDOUT_SUCCESS) || true
+
+	cat $(OUTPUT_FILE_DEFAULT) | "$(PYTHON)" validate_junit.py
+	cat $(OUTPUT_FILE_STDOUT_SUCCESS) | "$(PYTHON)" validate_junit.py
+
+	# Normalize the actual output and compare to expected output file
+	cat $(OUTPUT_FILE_DEFAULT) | sed 's/time="[0-9.]*"/time="$$TIME"/g' | diff output-default.xml -
+	cat $(OUTPUT_FILE_STDOUT_SUCCESS) | sed 's/time="[0-9.]*"/time="$$TIME"/g' | diff output-stdout-success.xml -
diff --git a/tests/run-make/libtest-junit/f.rs b/tests/run-make/libtest-junit/f.rs
new file mode 100644
index 00000000000..d360d77317d
--- /dev/null
+++ b/tests/run-make/libtest-junit/f.rs
@@ -0,0 +1,23 @@
+#[test]
+fn a() {
+    println!("print from successful test");
+    // Should pass
+}
+
+#[test]
+fn b() {
+    println!("print from failing test");
+    assert!(false);
+}
+
+#[test]
+#[should_panic]
+fn c() {
+    assert!(false);
+}
+
+#[test]
+#[ignore = "msg"]
+fn d() {
+    assert!(false);
+}
diff --git a/tests/run-make/libtest-junit/output-default.xml b/tests/run-make/libtest-junit/output-default.xml
new file mode 100644
index 00000000000..d59e07b8ad8
--- /dev/null
+++ b/tests/run-make/libtest-junit/output-default.xml
@@ -0,0 +1 @@
+<?xml version="1.0" encoding="UTF-8"?><testsuites><testsuite name="test" package="test" id="0" errors="0" failures="1" tests="4" skipped="1" ><testcase classname="unknown" name="a" time="$TIME"/><testcase classname="unknown" name="b" time="$TIME"><failure type="assert"/><system-out><![CDATA[print from failing test]]>&#xA;<![CDATA[thread 'b' panicked at 'assertion failed: false', f.rs:10:5]]>&#xA;<![CDATA[note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace]]>&#xA;<![CDATA[]]></system-out></testcase><testcase classname="unknown" name="c" time="$TIME"/><system-out/><system-err/></testsuite></testsuites>
diff --git a/tests/run-make/libtest-junit/output-stdout-success.xml b/tests/run-make/libtest-junit/output-stdout-success.xml
new file mode 100644
index 00000000000..0c300611e1f
--- /dev/null
+++ b/tests/run-make/libtest-junit/output-stdout-success.xml
@@ -0,0 +1 @@
+<?xml version="1.0" encoding="UTF-8"?><testsuites><testsuite name="test" package="test" id="0" errors="0" failures="1" tests="4" skipped="1" ><testcase classname="unknown" name="a" time="$TIME"><system-out><![CDATA[print from successful test]]>&#xA;<![CDATA[]]></system-out></testcase><testcase classname="unknown" name="b" time="$TIME"><failure type="assert"/><system-out><![CDATA[print from failing test]]>&#xA;<![CDATA[thread 'b' panicked at 'assertion failed: false', f.rs:10:5]]>&#xA;<![CDATA[note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace]]>&#xA;<![CDATA[]]></system-out></testcase><testcase classname="unknown" name="c" time="$TIME"><system-out><![CDATA[thread 'c' panicked at 'assertion failed: false', f.rs:16:5]]>&#xA;<![CDATA[]]></system-out></testcase><system-out/><system-err/></testsuite></testsuites>
diff --git a/tests/run-make/libtest-junit/validate_junit.py b/tests/run-make/libtest-junit/validate_junit.py
new file mode 100755
index 00000000000..47a8e70ccc3
--- /dev/null
+++ b/tests/run-make/libtest-junit/validate_junit.py
@@ -0,0 +1,12 @@
+#!/usr/bin/env python
+
+import sys
+import xml.etree.ElementTree as ET
+
+# Try to decode line in order to ensure it is a valid XML document
+for line in sys.stdin:
+    try:
+        ET.fromstring(line)
+    except ET.ParseError as pe:
+        print("Invalid xml: %r" % line)
+        raise
diff --git a/tests/run-make/raw-dylib-alt-calling-convention/lib.rs b/tests/run-make/raw-dylib-alt-calling-convention/lib.rs
index 22f222c12c3..dcb5fee9ecc 100644
--- a/tests/run-make/raw-dylib-alt-calling-convention/lib.rs
+++ b/tests/run-make/raw-dylib-alt-calling-convention/lib.rs
@@ -1,5 +1,4 @@
 #![feature(abi_vectorcall)]
-#![cfg_attr(target_arch = "x86", feature(raw_dylib))]
 
 #[repr(C)]
 #[derive(Clone)]
diff --git a/tests/run-make/raw-dylib-c/lib.rs b/tests/run-make/raw-dylib-c/lib.rs
index 5fb1204037c..f17125f308c 100644
--- a/tests/run-make/raw-dylib-c/lib.rs
+++ b/tests/run-make/raw-dylib-c/lib.rs
@@ -1,5 +1,3 @@
-#![feature(raw_dylib)]
-
 #[link(name = "extern_1.dll", kind = "raw-dylib", modifiers = "+verbatim")]
 extern {
     fn extern_fn_1();
diff --git a/tests/run-make/raw-dylib-cross-compilation/lib.rs b/tests/run-make/raw-dylib-cross-compilation/lib.rs
index 51bf2ec6b6e..3338ac0a0b5 100644
--- a/tests/run-make/raw-dylib-cross-compilation/lib.rs
+++ b/tests/run-make/raw-dylib-cross-compilation/lib.rs
@@ -1,4 +1,3 @@
-#![feature(raw_dylib)]
 #![feature(no_core, lang_items)]
 #![no_std]
 #![no_core]
diff --git a/tests/run-make/raw-dylib-custom-dlltool/Makefile b/tests/run-make/raw-dylib-custom-dlltool/Makefile
new file mode 100644
index 00000000000..f5d5360a3fb
--- /dev/null
+++ b/tests/run-make/raw-dylib-custom-dlltool/Makefile
@@ -0,0 +1,11 @@
+# Test using -Cdlltool to change where raw-dylib looks for the dlltool binary.
+
+# only-windows
+# only-gnu
+# needs-dlltool
+
+include ../tools.mk
+
+all:
+	$(RUSTC) --crate-type lib --crate-name raw_dylib_test lib.rs -Cdlltool=$(CURDIR)/script.cmd
+	$(DIFF) output.txt "$(TMPDIR)"/output.txt
diff --git a/tests/run-make/raw-dylib-custom-dlltool/lib.rs b/tests/run-make/raw-dylib-custom-dlltool/lib.rs
new file mode 100644
index 00000000000..2f3f497a00d
--- /dev/null
+++ b/tests/run-make/raw-dylib-custom-dlltool/lib.rs
@@ -0,0 +1,10 @@
+#[link(name = "extern_1", kind = "raw-dylib")]
+extern {
+    fn extern_fn_1();
+}
+
+pub fn library_function() {
+    unsafe {
+        extern_fn_1();
+    }
+}
diff --git a/tests/run-make/raw-dylib-custom-dlltool/output.txt b/tests/run-make/raw-dylib-custom-dlltool/output.txt
new file mode 100644
index 00000000000..6dd9466d26d
--- /dev/null
+++ b/tests/run-make/raw-dylib-custom-dlltool/output.txt
@@ -0,0 +1 @@
+Called dlltool via script.cmd
diff --git a/tests/run-make/raw-dylib-custom-dlltool/script.cmd b/tests/run-make/raw-dylib-custom-dlltool/script.cmd
new file mode 100644
index 00000000000..95f85c61c67
--- /dev/null
+++ b/tests/run-make/raw-dylib-custom-dlltool/script.cmd
@@ -0,0 +1,2 @@
+echo Called dlltool via script.cmd> %TMPDIR%\output.txt
+dlltool.exe %*
diff --git a/tests/run-make/raw-dylib-import-name-type/driver.rs b/tests/run-make/raw-dylib-import-name-type/driver.rs
index 9a3cd9ebe1b..6c1c212f187 100644
--- a/tests/run-make/raw-dylib-import-name-type/driver.rs
+++ b/tests/run-make/raw-dylib-import-name-type/driver.rs
@@ -1,4 +1,3 @@
-#![feature(raw_dylib)]
 #![feature(abi_vectorcall)]
 
 #[link(name = "extern", kind = "raw-dylib", import_name_type = "undecorated")]
diff --git a/tests/run-make/raw-dylib-inline-cross-dylib/driver.rs b/tests/run-make/raw-dylib-inline-cross-dylib/driver.rs
index f72ded7d9f6..0c3125be6f5 100644
--- a/tests/run-make/raw-dylib-inline-cross-dylib/driver.rs
+++ b/tests/run-make/raw-dylib-inline-cross-dylib/driver.rs
@@ -1,5 +1,3 @@
-#![feature(raw_dylib)]
-
 extern crate raw_dylib_test;
 extern crate raw_dylib_test_wrapper;
 
diff --git a/tests/run-make/raw-dylib-inline-cross-dylib/lib.rs b/tests/run-make/raw-dylib-inline-cross-dylib/lib.rs
index 00c2c1c42d1..4877cb80aea 100644
--- a/tests/run-make/raw-dylib-inline-cross-dylib/lib.rs
+++ b/tests/run-make/raw-dylib-inline-cross-dylib/lib.rs
@@ -1,5 +1,3 @@
-#![feature(raw_dylib)]
-
 #[link(name = "extern_1", kind = "raw-dylib")]
 extern {
     fn extern_fn_1();
diff --git a/tests/run-make/raw-dylib-link-ordinal/lib.rs b/tests/run-make/raw-dylib-link-ordinal/lib.rs
index bb25ac64c61..1bbb45bbc77 100644
--- a/tests/run-make/raw-dylib-link-ordinal/lib.rs
+++ b/tests/run-make/raw-dylib-link-ordinal/lib.rs
@@ -1,5 +1,3 @@
-#![cfg_attr(target_arch = "x86", feature(raw_dylib))]
-
 #[link(name = "exporter", kind = "raw-dylib")]
 extern {
     #[link_ordinal(13)]
diff --git a/tests/run-make/raw-dylib-stdcall-ordinal/lib.rs b/tests/run-make/raw-dylib-stdcall-ordinal/lib.rs
index b7921396a0f..74c5c7f8250 100644
--- a/tests/run-make/raw-dylib-stdcall-ordinal/lib.rs
+++ b/tests/run-make/raw-dylib-stdcall-ordinal/lib.rs
@@ -1,5 +1,3 @@
-#![cfg_attr(target_arch = "x86", feature(raw_dylib))]
-
 #[link(name = "exporter", kind = "raw-dylib")]
 extern "stdcall" {
     #[link_ordinal(15)]
diff --git a/tests/run-make/short-ice/Makefile b/tests/run-make/short-ice/Makefile
new file mode 100644
index 00000000000..4f33d590237
--- /dev/null
+++ b/tests/run-make/short-ice/Makefile
@@ -0,0 +1,9 @@
+include ../tools.mk
+
+# ignore-windows
+
+export RUSTC := $(RUSTC_ORIGINAL)
+export TMPDIR := $(TMPDIR)
+
+all:
+	bash check.sh
diff --git a/tests/run-make/short-ice/check.sh b/tests/run-make/short-ice/check.sh
new file mode 100644
index 00000000000..96cd8fe86bc
--- /dev/null
+++ b/tests/run-make/short-ice/check.sh
@@ -0,0 +1,36 @@
+#!/bin/sh
+
+RUST_BACKTRACE=1 $RUSTC src/lib.rs -Z treat-err-as-bug=1 1>$TMPDIR/rust-test-1.log 2>&1
+RUST_BACKTRACE=full $RUSTC src/lib.rs -Z treat-err-as-bug=1 1>$TMPDIR/rust-test-2.log 2>&1
+
+short=$(cat $TMPDIR/rust-test-1.log | wc -l)
+full=$(cat $TMPDIR/rust-test-2.log | wc -l)
+rustc_query_count=$(cat $TMPDIR/rust-test-1.log | grep rustc_query_ | wc -l)
+rustc_query_count_full=$(cat $TMPDIR/rust-test-2.log | grep rustc_query_ | wc -l)
+
+begin_count=$(cat $TMPDIR/rust-test-2.log | grep __rust_begin_short_backtrace | wc -l)
+end_count=$(cat $TMPDIR/rust-test-2.log | grep __rust_end_short_backtrace | wc -l)
+
+cat $TMPDIR/rust-test-1.log
+echo "====================="
+cat $TMPDIR/rust-test-2.log
+echo "====================="
+
+echo "short backtrace: $short"
+echo "full  backtrace: $full"
+echo "begin_count: $begin_count"
+echo "end_count  : $end_count"
+echo "rustc_query_count: $rustc_query_count"
+echo "rustc_query_count_full: $rustc_query_count_full"
+
+## backtraces to vary a bit depending on platform and configuration options,
+## here we make sure that the short backtrace of rustc_query is shorter than the full,
+## and marks are in pairs.
+if [ $short -lt $full ] &&
+    [ $begin_count -eq $end_count ] &&
+    [ $(($rustc_query_count + 10)) -lt $rustc_query_count_full ] &&
+    [ $rustc_query_count_full -gt 10 ]; then
+    exit 0
+else
+    exit 1
+fi
diff --git a/tests/run-make/short-ice/src/lib.rs b/tests/run-make/short-ice/src/lib.rs
new file mode 100644
index 00000000000..b23b7f830d7
--- /dev/null
+++ b/tests/run-make/short-ice/src/lib.rs
@@ -0,0 +1,7 @@
+fn func(s: &str) {
+    println!("{}", s);
+}
+
+fn main() {
+    func(1);
+}
diff --git a/tests/run-make/static-unwinding/Makefile b/tests/run-make/static-unwinding/Makefile
index dec94fb16f4..4b093f93608 100644
--- a/tests/run-make/static-unwinding/Makefile
+++ b/tests/run-make/static-unwinding/Makefile
@@ -1,4 +1,5 @@
 # ignore-cross-compile
+# needs-unwind
 include ../tools.mk
 
 all:
diff --git a/tests/run-make/staticlib-dylib-linkage/Makefile b/tests/run-make/staticlib-dylib-linkage/Makefile
new file mode 100644
index 00000000000..a1e86a7ce4b
--- /dev/null
+++ b/tests/run-make/staticlib-dylib-linkage/Makefile
@@ -0,0 +1,21 @@
+include ../tools.mk
+
+# ignore-cross-compile
+# ignore-msvc FIXME(bjorn3) can't figure out how to link with the MSVC toolchain
+# ignore-wasm wasm doesn't support dynamic libraries
+
+all:
+	$(RUSTC) -C prefer-dynamic bar.rs
+	$(RUSTC) foo.rs --crate-type staticlib --print native-static-libs \
+		-Z staticlib-allow-rdylib-deps 2>&1 | grep 'note: native-static-libs: ' \
+		| sed 's/note: native-static-libs: \(.*\)/\1/' > $(TMPDIR)/libs.txt
+	cat $(TMPDIR)/libs.txt
+
+ifdef IS_MSVC
+	$(CC) $(CFLAGS) /c foo.c /Fo:$(TMPDIR)/foo.o
+	$(RUSTC_LINKER) $(TMPDIR)/foo.o $(TMPDIR)/foo.lib $$(cat $(TMPDIR)/libs.txt) $(call OUT_EXE,foo)
+else
+	$(CC) $(CFLAGS) foo.c -L $(TMPDIR) -lfoo $$(cat $(TMPDIR)/libs.txt) -o $(call RUN_BINFILE,foo)
+endif
+
+	$(call RUN,foo)
diff --git a/tests/run-make/staticlib-dylib-linkage/bar.rs b/tests/run-make/staticlib-dylib-linkage/bar.rs
new file mode 100644
index 00000000000..b3a7539abae
--- /dev/null
+++ b/tests/run-make/staticlib-dylib-linkage/bar.rs
@@ -0,0 +1,5 @@
+#![crate_type = "dylib"]
+
+pub fn bar() {
+    println!("hello!");
+}
diff --git a/tests/run-make/staticlib-dylib-linkage/foo.c b/tests/run-make/staticlib-dylib-linkage/foo.c
new file mode 100644
index 00000000000..154f9682ef8
--- /dev/null
+++ b/tests/run-make/staticlib-dylib-linkage/foo.c
@@ -0,0 +1,10 @@
+#include <assert.h>
+
+extern void foo();
+extern unsigned bar(unsigned a, unsigned b);
+
+int main() {
+  foo();
+  assert(bar(1, 2) == 3);
+  return 0;
+}
diff --git a/tests/run-make/staticlib-dylib-linkage/foo.rs b/tests/run-make/staticlib-dylib-linkage/foo.rs
new file mode 100644
index 00000000000..af439391c75
--- /dev/null
+++ b/tests/run-make/staticlib-dylib-linkage/foo.rs
@@ -0,0 +1,13 @@
+#![crate_type = "staticlib"]
+
+extern crate bar;
+
+#[no_mangle]
+pub extern "C" fn foo() {
+    bar::bar();
+}
+
+#[no_mangle]
+pub extern "C" fn bar(a: u32, b: u32) -> u32 {
+    a + b
+}
diff --git a/tests/run-make/test-benches/Makefile b/tests/run-make/test-benches/Makefile
index 0253a52637f..11aed2e4c79 100644
--- a/tests/run-make/test-benches/Makefile
+++ b/tests/run-make/test-benches/Makefile
@@ -1,6 +1,7 @@
 include ../tools.mk
 
 # ignore-cross-compile
+# needs-unwind #[bench] and -Zpanic-abort-tests can't be combined
 
 all:
 	# Smoke-test that `#[bench]` isn't entirely broken.
diff --git a/tests/run-make/valid-print-requests/valid-print-requests.stderr b/tests/run-make/valid-print-requests/valid-print-requests.stderr
index bea6ce067f6..4f57550c29a 100644
--- a/tests/run-make/valid-print-requests/valid-print-requests.stderr
+++ b/tests/run-make/valid-print-requests/valid-print-requests.stderr
@@ -1,2 +1,2 @@
-error: unknown print request `uwu`. Valid print requests are: `crate-name`, `file-names`, `sysroot`, `target-libdir`, `cfg`, `calling-conventions`, `target-list`, `target-cpus`, `target-features`, `relocation-models`, `code-models`, `tls-models`, `native-static-libs`, `stack-protector-strategies`, `target-spec-json`, `all-target-specs-json`, `link-args`, `split-debuginfo`
+error: unknown print request `uwu`. Valid print requests are: `crate-name`, `file-names`, `sysroot`, `target-libdir`, `cfg`, `calling-conventions`, `target-list`, `target-cpus`, `target-features`, `relocation-models`, `code-models`, `tls-models`, `native-static-libs`, `stack-protector-strategies`, `target-spec-json`, `all-target-specs-json`, `link-args`, `split-debuginfo`, `deployment-target`
 
diff --git a/tests/rustdoc-gui/check-stab-in-docblock.goml b/tests/rustdoc-gui/check-stab-in-docblock.goml
index 2f62636211b..f25c88690e5 100644
--- a/tests/rustdoc-gui/check-stab-in-docblock.goml
+++ b/tests/rustdoc-gui/check-stab-in-docblock.goml
@@ -7,20 +7,26 @@ set-window-size: (786, 600)
 // Confirms that there 3 paragraphs.
 assert-count: (".top-doc .docblock p", 3)
 // Checking that there is no scrollable content.
-store-property: (clientHeight, ".top-doc .docblock p:nth-of-type(1)", "clientHeight")
-store-property: (clientWidth, ".top-doc .docblock p:nth-of-type(1)", "clientWidth")
+store-property: (".top-doc .docblock p:nth-of-type(1)", {
+    "clientHeight": clientHeight,
+    "clientWidth": clientWidth,
+})
 assert-property: (
     ".top-doc .docblock p:nth-of-type(1)",
     {"scrollHeight": |clientHeight|, "scrollWidth": |clientWidth|},
 )
-store-property: (clientHeight, ".top-doc .docblock p:nth-of-type(2)", "clientHeight")
-store-property: (clientWidth, ".top-doc .docblock p:nth-of-type(2)", "clientWidth")
+store-property: (".top-doc .docblock p:nth-of-type(2)", {
+    "clientHeight": clientHeight,
+    "clientWidth": clientWidth,
+})
 assert-property: (
     ".top-doc .docblock p:nth-of-type(2)",
     {"scrollHeight": |clientHeight|, "scrollWidth": |clientWidth|},
 )
-store-property: (clientHeight, ".top-doc .docblock p:nth-of-type(3)", "clientHeight")
-store-property: (clientWidth, ".top-doc .docblock p:nth-of-type(3)", "clientWidth")
+store-property: (".top-doc .docblock p:nth-of-type(3)", {
+    "clientHeight": clientHeight,
+    "clientWidth": clientWidth,
+})
 assert-property: (
     ".top-doc .docblock p:nth-of-type(3)",
     {"scrollHeight": |clientHeight|, "scrollWidth": |clientWidth|},
diff --git a/tests/rustdoc-gui/codeblock-sub.goml b/tests/rustdoc-gui/codeblock-sub.goml
index 03575cc6aaa..a4b0558765a 100644
--- a/tests/rustdoc-gui/codeblock-sub.goml
+++ b/tests/rustdoc-gui/codeblock-sub.goml
@@ -1,5 +1,5 @@
 // Test that code blocks nested within <sub> do not have a line height of 0.
 go-to: "file://" + |DOC_PATH| + "/test_docs/codeblock_sub/index.html"
 
-store-property: (codeblock_sub_1, "#codeblock-sub-1", "offsetHeight")
+store-property: ("#codeblock-sub-1", {"offsetHeight": codeblock_sub_1})
 assert-property-false: ("#codeblock-sub-3", { "offsetHeight": |codeblock_sub_1| })
diff --git a/tests/rustdoc-gui/docblock-details.goml b/tests/rustdoc-gui/docblock-details.goml
index 58ff17619f6..8e6d2ba824f 100644
--- a/tests/rustdoc-gui/docblock-details.goml
+++ b/tests/rustdoc-gui/docblock-details.goml
@@ -9,7 +9,7 @@ reload:
 assert-text: (".top-doc .docblock > h3", "Hello")
 assert-css: (
     ".top-doc .docblock > h3",
-    {"border-bottom": "1px solid rgb(210, 210, 210)"},
+    {"border-bottom": "1px solid #d2d2d2"},
 )
 // We now check that the `<summary>` doesn't have a bottom border and has the correct display.
 assert-css: (
diff --git a/tests/rustdoc-gui/item-info.goml b/tests/rustdoc-gui/item-info.goml
index 60fd7c4e198..030ff8f8a3e 100644
--- a/tests/rustdoc-gui/item-info.goml
+++ b/tests/rustdoc-gui/item-info.goml
@@ -4,8 +4,8 @@ go-to: "file://" + |DOC_PATH| + "/lib2/struct.Foo.html"
 // We set a fixed size so there is no chance of "random" resize.
 set-window-size: (1100, 800)
 // We check that ".item-info" is bigger than its content.
-assert-css: (".item-info", {"width": "840px"})
-assert-css: (".item-info .stab", {"width": "289px"})
+assert-size: (".item-info", {"width": 840})
+assert-size: (".item-info .stab", {"width": 289})
 assert-position: (".item-info .stab", {"x": 245})
 
 // Now we ensure that they're not rendered on the same line.
diff --git a/tests/rustdoc-gui/notable-trait.goml b/tests/rustdoc-gui/notable-trait.goml
index f65da577478..ecb57c274a5 100644
--- a/tests/rustdoc-gui/notable-trait.goml
+++ b/tests/rustdoc-gui/notable-trait.goml
@@ -225,12 +225,12 @@ assert: "#method\.create_an_iterator_from_read .tooltip:focus"
 
 // Now we check that the focus isn't given back to the wrong item when opening
 // another popover.
-store-window-property: (scroll, "scrollY")
+store-window-property: {"scrollY": scroll}
 click: "#method\.create_an_iterator_from_read .fn"
 // We ensure that the scroll position changed.
 assert-window-property-false: {"scrollY": |scroll|}
 // Store the new position.
-store-window-property: (scroll, "scrollY")
+store-window-property: {"scrollY": scroll}
 click: "//*[@id='method.create_an_iterator_from_read']//*[@class='tooltip']"
 wait-for: "//*[@class='tooltip popover']"
 click: "#settings-menu a"
@@ -239,12 +239,12 @@ click: ".search-input"
 assert-window-property-false: {"scrollY": |scroll|}
 
 // Same but with Escape handling.
-store-window-property: (scroll, "scrollY")
+store-window-property: {"scrollY": scroll}
 click: "#method\.create_an_iterator_from_read .fn"
 // We ensure that the scroll position changed.
 assert-window-property-false: {"scrollY": |scroll|}
 // Store the new position.
-store-window-property: (scroll, "scrollY")
+store-window-property: {"scrollY": scroll}
 click: "//*[@id='method.create_an_iterator_from_read']//*[@class='tooltip']"
 wait-for: "//*[@class='tooltip popover']"
 click: "#settings-menu a"
diff --git a/tests/rustdoc-gui/scrape-examples-button-focus.goml b/tests/rustdoc-gui/scrape-examples-button-focus.goml
index 77061ea2a3f..af4293dfc00 100644
--- a/tests/rustdoc-gui/scrape-examples-button-focus.goml
+++ b/tests/rustdoc-gui/scrape-examples-button-focus.goml
@@ -3,7 +3,7 @@
 go-to: "file://" + |DOC_PATH| + "/scrape_examples/fn.test.html"
 
 // The next/prev buttons vertically scroll the code viewport between examples
-store-property: (initialScrollTop, ".scraped-example-list > .scraped-example pre", "scrollTop")
+store-property: (".scraped-example-list > .scraped-example pre", {"scrollTop": initialScrollTop})
 focus: ".scraped-example-list > .scraped-example .next"
 press-key: "Enter"
 assert-property-false: (".scraped-example-list > .scraped-example pre", {
@@ -16,7 +16,7 @@ assert-property: (".scraped-example-list > .scraped-example pre", {
 }, NEAR)
 
 // The expand button increases the scrollHeight of the minimized code viewport
-store-property: (smallOffsetHeight, ".scraped-example-list > .scraped-example pre", "offsetHeight")
+store-property: (".scraped-example-list > .scraped-example pre", {"offsetHeight": smallOffsetHeight})
 assert-property-false: (".scraped-example-list > .scraped-example pre", {
     "scrollHeight": |smallOffsetHeight|
 }, NEAR)
@@ -25,7 +25,7 @@ press-key: "Enter"
 assert-property-false: (".scraped-example-list > .scraped-example pre", {
     "offsetHeight": |smallOffsetHeight|
 }, NEAR)
-store-property: (fullOffsetHeight, ".scraped-example-list > .scraped-example pre", "offsetHeight")
+store-property: (".scraped-example-list > .scraped-example pre", {"offsetHeight": fullOffsetHeight})
 assert-property: (".scraped-example-list > .scraped-example pre", {
     "scrollHeight": |fullOffsetHeight|
 }, NEAR)
diff --git a/tests/rustdoc-gui/scrape-examples-layout.goml b/tests/rustdoc-gui/scrape-examples-layout.goml
index 160056d6d05..4fc1c1ac065 100644
--- a/tests/rustdoc-gui/scrape-examples-layout.goml
+++ b/tests/rustdoc-gui/scrape-examples-layout.goml
@@ -9,9 +9,8 @@ assert-property-false: (
 
 // Check that examples with very long lines have the same width as ones that don't.
 store-property: (
-    clientWidth,
     ".more-scraped-examples .scraped-example:nth-child(2) .code-wrapper .src-line-numbers",
-    "clientWidth"
+    {"clientWidth": clientWidth},
 )
 
 assert-property: (
@@ -40,8 +39,8 @@ assert-property: (
 store-value: (offset_y, 4)
 
 // First with desktop
-assert-position: (".scraped-example .code-wrapper", {"y": 253})
-assert-position: (".scraped-example .code-wrapper .prev", {"y": 253 + |offset_y|})
+assert-position: (".scraped-example .code-wrapper", {"y": 226})
+assert-position: (".scraped-example .code-wrapper .prev", {"y": 226 + |offset_y|})
 
 // Then with mobile
 set-window-size: (600, 600)
diff --git a/tests/rustdoc-gui/search-corrections.goml b/tests/rustdoc-gui/search-corrections.goml
new file mode 100644
index 00000000000..5d1b83b35c5
--- /dev/null
+++ b/tests/rustdoc-gui/search-corrections.goml
@@ -0,0 +1,56 @@
+// ignore-tidy-linelength
+
+// Checks that the search tab result tell the user about corrections
+// First, try a search-by-name
+go-to: "file://" + |DOC_PATH| + "/test_docs/index.html"
+// Intentionally wrong spelling of "NotableStructWithLongName"
+write: (".search-input", "NotableStructWithLongNamr")
+// To be SURE that the search will be run.
+press-key: 'Enter'
+// Waiting for the search results to appear...
+wait-for: "#search-tabs"
+
+// Corrections aren't shown on the "In Names" tab.
+assert: "#search-tabs button.selected:first-child"
+assert-css: (".search-corrections", {
+    "display": "none"
+})
+
+// Corrections do get shown on the "In Parameters" tab.
+click: "#search-tabs button:nth-child(2)"
+assert: "#search-tabs button.selected:nth-child(2)"
+assert-css: (".search-corrections", {
+    "display": "block"
+})
+assert-text: (
+    ".search-corrections",
+    "Type \"notablestructwithlongnamr\" not found. Showing results for closest type name \"notablestructwithlongname\" instead."
+)
+
+// Corrections do get shown on the "In Return Type" tab.
+click: "#search-tabs button:nth-child(3)"
+assert: "#search-tabs button.selected:nth-child(3)"
+assert-css: (".search-corrections", {
+    "display": "block"
+})
+assert-text: (
+    ".search-corrections",
+    "Type \"notablestructwithlongnamr\" not found. Showing results for closest type name \"notablestructwithlongname\" instead."
+)
+
+// Now, explicit return values
+go-to: "file://" + |DOC_PATH| + "/test_docs/index.html"
+// Intentionally wrong spelling of "NotableStructWithLongName"
+write: (".search-input", "-> NotableStructWithLongNamr")
+// To be SURE that the search will be run.
+press-key: 'Enter'
+// Waiting for the search results to appear...
+wait-for: "#search-tabs"
+
+assert-css: (".search-corrections", {
+    "display": "block"
+})
+assert-text: (
+    ".search-corrections",
+    "Type \"notablestructwithlongnamr\" not found. Showing results for closest type name \"notablestructwithlongname\" instead."
+)
diff --git a/tests/rustdoc-gui/search-result-color.goml b/tests/rustdoc-gui/search-result-color.goml
index da46a90df90..90f7160b724 100644
--- a/tests/rustdoc-gui/search-result-color.goml
+++ b/tests/rustdoc-gui/search-result-color.goml
@@ -47,89 +47,89 @@ reload:
 wait-for: "#search-tabs"
 assert-css: (
     "#search-tabs > button > .count",
-    {"color": "rgb(136, 136, 136)"},
+    {"color": "#888"},
     ALL,
 )
 assert-css: (
     "//*[@class='desc'][text()='Just a normal struct.']",
-    {"color": "rgb(197, 197, 197)"},
+    {"color": "#c5c5c5"},
 )
 assert-css: (
     "//*[@class='result-name']/*[text()='test_docs::']",
-    {"color": "rgb(0, 150, 207)"},
+    {"color": "#0096cf"},
 )
 
 // Checking the color of the bottom border.
 assert-css: (
     ".search-results > a",
-    {"border-bottom-color": "rgba(170, 170, 170, 0.2)"}
+    {"border-bottom-color": "#aaa3"}
 )
 
 // Checking the color of "keyword" text.
 assert-css: (
     "//*[@class='result-name']//*[text()='(keyword)']",
-    {"color": "rgb(120, 135, 151)"},
+    {"color": "#788797"},
 )
 
-store-value: (entry_color, "rgb(0, 150, 207)") // color of the search entry
-store-value: (hover_entry_color, "rgb(255, 255, 255)") // color of the hovered/focused search entry
-store-value: (background_color, "rgba(0, 0, 0, 0)") // background color
-store-value: (hover_background_color, "rgb(60, 60, 60)") // hover background color
+store-value: (entry_color, "#0096cf") // color of the search entry
+store-value: (hover_entry_color, "#fff") // color of the hovered/focused search entry
+store-value: (background_color, "transparent") // background color
+store-value: (hover_background_color, "#3c3c3c") // hover background color
 
 call-function: (
     "check-result-color", (
         "keyword", // item kind
-        "rgb(57, 175, 215)", // color of item kind
-        "rgb(57, 175, 215)", // color of hovered/focused item kind
+        "#39afd7", // color of item kind
+        "#39afd7", // color of hovered/focused item kind
     ),
 )
 call-function: (
     "check-result-color", (
         "struct", // item kind
-        "rgb(255, 160, 165)", // color of item kind
-        "rgb(255, 160, 165)", // color of hovered/focused item kind
+        "#ffa0a5", // color of item kind
+        "#ffa0a5", // color of hovered/focused item kind
     ),
 )
 call-function: (
     "check-result-color", (
         "associatedtype", // item kind
-        "rgb(57, 175, 215)", // color of item kind
-        "rgb(57, 175, 215)", // color of hovered/focused item kind
+        "#39afd7", // color of item kind
+        "#39afd7", // color of hovered/focused item kind
     ),
 )
 call-function: (
     "check-result-color", (
         "tymethod", // item kind
-        "rgb(253, 214, 135)", // color of item kind
-        "rgb(253, 214, 135)", // color of hovered/focused item kind
+        "#fdd687", // color of item kind
+        "#fdd687", // color of hovered/focused item kind
     ),
 )
 call-function: (
     "check-result-color", (
         "method", // item kind
-        "rgb(253, 214, 135)", // color of item kind
-        "rgb(253, 214, 135)", // color of hovered/focused item kind
+        "#fdd687", // color of item kind
+        "#fdd687", // color of hovered/focused item kind
     ),
 )
 call-function: (
     "check-result-color", (
         "structfield", // item kind
-        "rgb(0, 150, 207)", // color of item kind
-        "rgb(255, 255, 255)", // color of hovered/focused item kind
+        "#0096cf", // color of item kind
+        "#fff", // color of hovered/focused item kind
     ),
 )
 call-function: (
     "check-result-color", (
         "macro", // item kind
-        "rgb(163, 122, 204)", // color of item kind
-        "rgb(163, 122, 204)", // color of hovered/focused item kind
+        "#a37acc", // color of item kind
+        "#a37acc", // color of hovered/focused item kind
     ),
 )
 call-function: (
     "check-result-color", (
         "fn", // item kind
-        "rgb(253, 214, 135)", // color of item kind
-        "rgb(253, 214, 135)", // color of hovered/focused item kind
+        "#fdd687", // color of item kind
+        "#fdd687", // color of hovered/focused item kind
     ),
 )
 
@@ -138,7 +138,7 @@ move-cursor-to: ".search-input"
 focus: ".search-input" // To ensure the `<a>` container isnt focus or hover.
 assert-css: (
     "//*[@class='result-name']/*[text()='test_docs::']/ancestor::a",
-    {"color": "rgb(0, 150, 207)", "background-color": "rgba(0, 0, 0, 0)"},
+    {"color": "#0096cf", "background-color": "transparent"},
     ALL,
 )
 
@@ -146,11 +146,11 @@ assert-css: (
 move-cursor-to: "//*[@class='desc'][text()='Just a normal struct.']"
 assert-css: (
     "//*[@class='result-name']/*[text()='test_docs::']",
-    {"color": "rgb(255, 255, 255)"},
+    {"color": "#fff"},
 )
 assert-css: (
     "//*[@class='result-name']/*[text()='test_docs::']/ancestor::a",
-    {"color": "rgb(255, 255, 255)", "background-color": "rgb(60, 60, 60)"},
+    {"color": "#fff", "background-color": "rgb(60, 60, 60)"},
 )
 
 // Dark theme
@@ -164,89 +164,89 @@ reload:
 wait-for: "#search-tabs"
 assert-css: (
     "#search-tabs > button > .count",
-    {"color": "rgb(136, 136, 136)"},
+    {"color": "#888"},
     ALL,
 )
 assert-css: (
     "//*[@class='desc'][text()='Just a normal struct.']",
-    {"color": "rgb(221, 221, 221)"},
+    {"color": "#ddd"},
 )
 assert-css: (
     "//*[@class='result-name']/*[text()='test_docs::']",
-    {"color": "rgb(221, 221, 221)"},
+    {"color": "#ddd"},
 )
 
 // Checking the color of the bottom border.
 assert-css: (
     ".search-results > a",
-    {"border-bottom-color": "rgba(170, 170, 170, 0.2)"}
+    {"border-bottom-color": "#aaa3"}
 )
 
 // Checking the color for "keyword" text.
 assert-css: (
     "//*[@class='result-name']//*[text()='(keyword)']",
-    {"color": "rgb(221, 221, 221)"},
+    {"color": "#ddd"},
 )
 
-store-value: (entry_color, "rgb(221, 221, 221)") // color of the search entry
-store-value: (hover_entry_color, "rgb(221, 221, 221)") // color of the hovered/focused search entry
-store-value: (background_color, "rgba(0, 0, 0, 0)") // background color
-store-value: (hover_background_color, "rgb(97, 97, 97)") // hover background color
+store-value: (entry_color, "#ddd") // color of the search entry
+store-value: (hover_entry_color, "#ddd") // color of the hovered/focused search entry
+store-value: (background_color, "transparent") // background color
+store-value: (hover_background_color, "#616161") // hover background color
 
 call-function: (
     "check-result-color", (
         "keyword", // item kind
-        "rgb(210, 153, 29)", // color of item kind
-        "rgb(210, 153, 29)", // color of hovered/focused item kind
+        "#d2991d", // color of item kind
+        "#d2991d", // color of hovered/focused item kind
     ),
 )
 call-function: (
     "check-result-color", (
         "struct", // item kind
-        "rgb(45, 191, 184)", // color of item kind
-        "rgb(45, 191, 184)", // color of hovered/focused item kind
+        "#2dbfb8", // color of item kind
+        "#2dbfb8", // color of hovered/focused item kind
     ),
 )
 call-function: (
     "check-result-color", (
         "associatedtype", // item kind
-        "rgb(210, 153, 29)", // color of item kind
-        "rgb(210, 153, 29)", // color of hovered/focused item kind
+        "#d2991d", // color of item kind
+        "#d2991d", // color of hovered/focused item kind
     ),
 )
 call-function: (
     "check-result-color", (
         "tymethod", // item kind
-        "rgb(43, 171, 99)", // color of item kind
-        "rgb(43, 171, 99)", // color of hovered/focused item kind
+        "#2bab63", // color of item kind
+        "#2bab63", // color of hovered/focused item kind
     ),
 )
 call-function: (
     "check-result-color", (
         "method", // item kind
-        "rgb(43, 171, 99)", // color of item kind
-        "rgb(43, 171, 99)", // color of hovered/focused item kind
+        "#2bab63", // color of item kind
+        "#2bab63", // color of hovered/focused item kind
     ),
 )
 call-function: (
     "check-result-color", (
         "structfield", // item kind
-        "rgb(221, 221, 221)", // color of item kind
-        "rgb(221, 221, 221)", // color of hovered/focused item kind
+        "#ddd", // color of item kind
+        "#ddd", // color of hovered/focused item kind
     ),
 )
 call-function: (
     "check-result-color", (
         "macro", // item kind
-        "rgb(9, 189, 0)", // color of item kind
-        "rgb(9, 189, 0)", // color of hovered/focused item kind
+        "#09bd00", // color of item kind
+        "#09bd00", // color of hovered/focused item kind
     ),
 )
 call-function: (
     "check-result-color", (
         "fn", // item kind
-        "rgb(43, 171, 99)", // color of item kind
-        "rgb(43, 171, 99)", // color of hovered/focused item kind
+        "#2bab63", // color of item kind
+        "#2bab63", // color of hovered/focused item kind
     ),
 )
 
@@ -255,7 +255,7 @@ move-cursor-to: ".search-input"
 focus: ".search-input" // To ensure the `<a>` container isnt focus or hover.
 assert-css: (
     "//*[@class='result-name']/*[text()='test_docs::']/ancestor::a",
-    {"color": "rgb(221, 221, 221)", "background-color": "rgba(0, 0, 0, 0)"},
+    {"color": "#ddd", "background-color": "transparent"},
 )
 
 // Light theme
@@ -266,89 +266,89 @@ reload:
 wait-for: "#search-tabs"
 assert-css: (
     "#search-tabs > button > .count",
-    {"color": "rgb(136, 136, 136)"},
+    {"color": "#888"},
     ALL,
 )
 assert-css: (
     "//*[@class='desc'][text()='Just a normal struct.']",
-    {"color": "rgb(0, 0, 0)"},
+    {"color": "#000"},
 )
 assert-css: (
     "//*[@class='result-name']/*[text()='test_docs::']",
-    {"color": "rgb(0, 0, 0)"},
+    {"color": "#000"},
 )
 
 // Checking the color of the bottom border.
 assert-css: (
     ".search-results > a",
-    {"border-bottom-color": "rgba(170, 170, 170, 0.2)"}
+    {"border-bottom-color": "#aaa3"}
 )
 
 // Checking the color for "keyword" text.
 assert-css: (
     "//*[@class='result-name']//*[text()='(keyword)']",
-    {"color": "rgb(0, 0, 0)"},
+    {"color": "#000"},
 )
 
-store-value: (entry_color, "rgb(0, 0, 0)") // color of the search entry
-store-value: (hover_entry_color, "rgb(0, 0, 0)") // color of the hovered/focused search entry
-store-value: (background_color, "rgba(0, 0, 0, 0)") // background color
-store-value: (hover_background_color, "rgb(204, 204, 204)") // hover background color
+store-value: (entry_color, "#000") // color of the search entry
+store-value: (hover_entry_color, "#000") // color of the hovered/focused search entry
+store-value: (background_color, "transparent") // background color
+store-value: (hover_background_color, "#ccc") // hover background color
 
 call-function: (
     "check-result-color", (
         "keyword", // item kind
-        "rgb(56, 115, 173)", // color of item kind
-        "rgb(56, 115, 173)", // color of hovered/focused item kind
+        "#3873ad", // color of item kind
+        "#3873ad", // color of hovered/focused item kind
     ),
 )
 call-function: (
     "check-result-color", (
         "struct", // item kind
-        "rgb(173, 55, 138)", // color of item kind
-        "rgb(173, 55, 138)", // color of hovered/focused item kind
+        "#ad378a", // color of item kind
+        "#ad378a", // color of hovered/focused item kind
     ),
 )
 call-function: (
     "check-result-color", (
         "associatedtype", // item kind
-        "rgb(56, 115, 173)", // color of item kind
-        "rgb(56, 115, 173)", // color of hovered/focused item kind
+        "#3873ad", // color of item kind
+        "#3873ad", // color of hovered/focused item kind
     ),
 )
 call-function: (
     "check-result-color", (
         "tymethod", // item kind
-        "rgb(173, 124, 55)", // color of item kind
-        "rgb(173, 124, 55)", // color of hovered/focused item kind
+        "#ad7c37", // color of item kind
+        "#ad7c37", // color of hovered/focused item kind
     ),
 )
 call-function: (
     "check-result-color", (
         "method", // item kind
-        "rgb(173, 124, 55)", // color of item kind
-        "rgb(173, 124, 55)", // color of hovered/focused item kind
+        "#ad7c37", // color of item kind
+        "#ad7c37", // color of hovered/focused item kind
     ),
 )
 call-function: (
     "check-result-color", (
         "structfield", // item kind
-        "rgb(0, 0, 0)", // color of item kind
-        "rgb(0, 0, 0)", // color of hovered/focused item kind
+        "#000", // color of item kind
+        "#000", // color of hovered/focused item kind
     ),
 )
 call-function: (
     "check-result-color", (
         "macro", // item kind
-        "rgb(6, 128, 0)", // color of item kind
-        "rgb(6, 128, 0)", // color of hovered/focused item kind
+        "#068000", // color of item kind
+        "#068000", // color of hovered/focused item kind
     ),
 )
 call-function: (
     "check-result-color", (
         "fn", // item kind
-        "rgb(173, 124, 55)", // color of item kind
-        "rgb(173, 124, 55)", // color of hovered/focused item kind
+        "#ad7c37", // color of item kind
+        "#ad7c37", // color of hovered/focused item kind
     ),
 )
 
@@ -357,7 +357,7 @@ move-cursor-to: ".search-input"
 focus: ".search-input" // To ensure the `<a>` container isnt focus or hover.
 assert-css: (
     "//*[@class='result-name']/*[text()='test_docs::']/ancestor::a",
-    {"color": "rgb(0, 0, 0)", "background-color": "rgba(0, 0, 0, 0)"},
+    {"color": "#000", "background-color": "transparent"},
 )
 
 // Check the alias.
@@ -386,16 +386,16 @@ define-function: (
 
 call-function: ("check-alias", {
     "theme": "ayu",
-    "alias": "rgb(197, 197, 197)",
-    "grey": "rgb(153, 153, 153)",
+    "alias": "#c5c5c5",
+    "grey": "#999",
 })
 call-function: ("check-alias", {
     "theme": "dark",
-    "alias": "rgb(255, 255, 255)",
-    "grey": "rgb(204, 204, 204)",
+    "alias": "#fff",
+    "grey": "#ccc",
 })
 call-function: ("check-alias", {
     "theme": "light",
-    "alias": "rgb(0, 0, 0)",
-    "grey": "rgb(153, 153, 153)",
+    "alias": "#000",
+    "grey": "#999",
 })
diff --git a/tests/rustdoc-gui/search-result-display.goml b/tests/rustdoc-gui/search-result-display.goml
index 93c71f23f24..ee5598e4b21 100644
--- a/tests/rustdoc-gui/search-result-display.goml
+++ b/tests/rustdoc-gui/search-result-display.goml
@@ -32,8 +32,8 @@ set-text: (
 )
 
 // Then we compare again to confirm the height didn't change.
-assert-css: ("#crate-search", {"width": "527px"})
-assert-css: (".search-results-title", {"height": "50px", "width": "640px"})
+assert-size: ("#crate-search", {"width": 527})
+assert-size: (".search-results-title", {"height": 50, "width": 640})
 // And we check that the `<select>` isn't bigger than its container (".search-results-title").
 assert-css: ("#search", {"width": "640px"})
 
diff --git a/tests/rustdoc-gui/settings.goml b/tests/rustdoc-gui/settings.goml
index a44ff9d3e4a..bf1fe7be910 100644
--- a/tests/rustdoc-gui/settings.goml
+++ b/tests/rustdoc-gui/settings.goml
@@ -10,7 +10,7 @@ wait-for: "#settings"
 assert-css: ("#settings", {"display": "block"})
 
 // Store the line margin to compare with the settings.html later.
-store-css: (setting_line_margin, ".setting-line", "margin")
+store-css: (".setting-line", {"margin": setting_line_margin})
 
 // Let's close it by clicking on the same button.
 click: "#settings-menu"
diff --git a/tests/rustdoc-gui/sidebar-source-code-display.goml b/tests/rustdoc-gui/sidebar-source-code-display.goml
index 20bf0596f95..0c680bcc9fb 100644
--- a/tests/rustdoc-gui/sidebar-source-code-display.goml
+++ b/tests/rustdoc-gui/sidebar-source-code-display.goml
@@ -121,28 +121,28 @@ define-function: (
 
 call-function: ("check-colors", {
     "theme": "light",
-    "color": "rgb(0, 0, 0)",
-    "color_hover": "rgb(0, 0, 0)",
-    "background": "rgb(255, 255, 255)",
-    "background_hover": "rgb(224, 224, 224)",
+    "color": "black",
+    "color_hover": "#000",
+    "background": "#fff",
+    "background_hover": "#e0e0e0",
     "background_toggle": "rgba(0, 0, 0, 0)",
-    "background_toggle_hover": "rgb(224, 224, 224)",
+    "background_toggle_hover": "#e0e0e0",
 })
 call-function: ("check-colors", {
     "theme": "dark",
-    "color": "rgb(221, 221, 221)",
-    "color_hover": "rgb(221, 221, 221)",
-    "background": "rgb(51, 51, 51)",
-    "background_hover": "rgb(68, 68, 68)",
+    "color": "#ddd",
+    "color_hover": "#ddd",
+    "background": "#333",
+    "background_hover": "#444",
     "background_toggle": "rgba(0, 0, 0, 0)",
-    "background_toggle_hover": "rgb(103, 103, 103)",
+    "background_toggle_hover": "#676767",
 })
 call-function: ("check-colors", {
     "theme": "ayu",
-    "color": "rgb(197, 197, 197)",
-    "color_hover": "rgb(255, 180, 76)",
+    "color": "#c5c5c5",
+    "color_hover": "#ffb44c",
     "background": "rgb(20, 25, 31)",
-    "background_hover": "rgb(20, 25, 31)",
+    "background_hover": "#14191f",
     "background_toggle": "rgba(0, 0, 0, 0)",
     "background_toggle_hover": "rgba(70, 70, 70, 0.33)",
 })
diff --git a/tests/rustdoc-gui/sidebar.goml b/tests/rustdoc-gui/sidebar.goml
index 3c1ed009a33..574cc629a04 100644
--- a/tests/rustdoc-gui/sidebar.goml
+++ b/tests/rustdoc-gui/sidebar.goml
@@ -152,14 +152,16 @@ assert-property: (".sidebar", {"clientWidth": "200"})
 
 // Checks that all.html and index.html have their sidebar link in the same place.
 go-to: "file://" + |DOC_PATH| + "/test_docs/index.html"
-store-property: (index_sidebar_width, ".sidebar .location a", "clientWidth")
-store-property: (index_sidebar_height, ".sidebar .location a", "clientHeight")
-store-property: (index_sidebar_x, ".sidebar .location a", "offsetTop")
-store-property: (index_sidebar_y, ".sidebar .location a", "offsetLeft")
+store-property: (".sidebar .location a", {
+    "clientWidth": index_sidebar_width,
+    "clientHeight": index_sidebar_height,
+    "offsetTop": index_sidebar_y,
+    "offsetLeft": index_sidebar_x,
+})
 go-to: "file://" + |DOC_PATH| + "/test_docs/all.html"
 assert-property: (".sidebar .location a", {
     "clientWidth": |index_sidebar_width|,
     "clientHeight": |index_sidebar_height|,
-    "offsetTop": |index_sidebar_x|,
-    "offsetLeft": |index_sidebar_y|,
+    "offsetTop": |index_sidebar_y|,
+    "offsetLeft": |index_sidebar_x|,
 })
diff --git a/tests/rustdoc-gui/source-code-page.goml b/tests/rustdoc-gui/source-code-page.goml
index 42f3200e967..5c795928bdc 100644
--- a/tests/rustdoc-gui/source-code-page.goml
+++ b/tests/rustdoc-gui/source-code-page.goml
@@ -117,9 +117,8 @@ assert-property: ("#source-sidebar details:first-of-type", {"open": "true"})
 
 // Check the sidebar directory entries have a marker and spacing (desktop).
 store-property: (
-    link_height,
     "#source-sidebar > details:first-of-type.dir-entry[open] > .files > a",
-    "offsetHeight"
+    {"offsetHeight": link_height},
 )
 define-function: (
     "check-sidebar-dir-entry",
@@ -147,16 +146,10 @@ define-function: (
         )
     }
 )
-store-property: (
-    source_sidebar_title_height,
-    "#source-sidebar > .title",
-    "offsetHeight"
-)
-store-property: (
-    source_sidebar_title_y,
-    "#source-sidebar > .title",
-    "offsetTop"
-)
+store-property: ("#source-sidebar > .title", {
+    "offsetHeight": source_sidebar_title_height,
+    "offsetTop": source_sidebar_title_y,
+})
 call-function: ("check-sidebar-dir-entry", {
     "x": 0,
     // border + margin = 6
@@ -182,16 +175,10 @@ assert-property: ("#main-content", {"offsetTop": 76})
 // 21 = 76 - 34 - 21
 
 // Check the sidebar directory entries have a marker and spacing (tablet).
-store-property: (
-    source_sidebar_title_height,
-    "#source-sidebar > .title",
-    "offsetHeight"
-)
-store-property: (
-    source_sidebar_title_y,
-    "#source-sidebar > .title",
-    "offsetTop"
-)
+store-property: ("#source-sidebar > .title", {
+    "offsetHeight": source_sidebar_title_height,
+    "offsetTop": source_sidebar_title_y,
+})
 call-function: ("check-sidebar-dir-entry", {
     "x": 0,
     "y": |source_sidebar_title_y| + |source_sidebar_title_height| + 6,
@@ -202,16 +189,10 @@ set-window-size: (450, 700)
 assert-css: ("nav.sub", {"flex-direction": "column"})
 
 // Check the sidebar directory entries have a marker and spacing (phone).
-store-property: (
-    source_sidebar_title_height,
-    "#source-sidebar > .title",
-    "offsetHeight"
-)
-store-property: (
-    source_sidebar_title_y,
-    "#source-sidebar > .title",
-    "offsetTop"
-)
+store-property: ("#source-sidebar > .title", {
+    "offsetHeight": source_sidebar_title_height,
+    "offsetTop": source_sidebar_title_y,
+})
 call-function: ("check-sidebar-dir-entry", {
     "x": 0,
     "y": |source_sidebar_title_y| + |source_sidebar_title_height| + 6,
@@ -219,5 +200,5 @@ call-function: ("check-sidebar-dir-entry", {
 
 // Now we check that the logo has a bottom margin so it's not stuck to the search input.
 assert-css: (".sub-logo-container > img", {"margin-bottom": "8px"})
-store-property: (logo_height, ".sub-logo-container", "clientHeight")
+store-property: (".sub-logo-container", {"clientHeight": logo_height})
 assert-position: (".search-form", {"y": |logo_height| + 8})
diff --git a/tests/rustdoc-gui/src-font-size.goml b/tests/rustdoc-gui/src-font-size.goml
index 790aeba529c..ff30bcdf2a2 100644
--- a/tests/rustdoc-gui/src-font-size.goml
+++ b/tests/rustdoc-gui/src-font-size.goml
@@ -11,6 +11,6 @@ assert-css: (".impl-items .srclink", {"font-size": "16px", "font-weight": 400},
 assert-css: (".impl-items .code-header", {"font-size": "16px", "font-weight": 600}, ALL)
 
 // Check that we can click on source link
-store-document-property: (url, "URL")
+store-document-property: {"URL": url}
 click: ".impl-items .srclink"
 assert-document-property-false: {"URL": |url|}
diff --git a/tests/rustdoc-gui/struct-fields.goml b/tests/rustdoc-gui/struct-fields.goml
index da0467de13a..3c87a4cd654 100644
--- a/tests/rustdoc-gui/struct-fields.goml
+++ b/tests/rustdoc-gui/struct-fields.goml
@@ -1,5 +1,5 @@
 // This test ensures that each field is on its own line (In other words, they have display: block).
 go-to: "file://" + |DOC_PATH| + "/test_docs/struct.StructWithPublicUndocumentedFields.html"
 
-store-property: (first_top, "//*[@id='structfield.first']", "offsetTop")
+store-property: ("//*[@id='structfield.first']", {"offsetTop": first_top})
 assert-property-false: ("//*[@id='structfield.second']", { "offsetTop": |first_top| })
diff --git a/tests/rustdoc-gui/type-declation-overflow.goml b/tests/rustdoc-gui/type-declation-overflow.goml
index e8e42e4004b..f212781e9b3 100644
--- a/tests/rustdoc-gui/type-declation-overflow.goml
+++ b/tests/rustdoc-gui/type-declation-overflow.goml
@@ -39,7 +39,7 @@ assert-property: ("pre.item-decl", {"scrollWidth": "950"})
 set-window-size: (600, 600)
 go-to: "file://" + |DOC_PATH| + "/lib2/too_long/struct.SuperIncrediblyLongLongLongLongLongLongLongGigaGigaGigaMegaLongLongLongStructName.html"
 // It shouldn't have an overflow in the topbar either.
-store-property: (scrollWidth, ".mobile-topbar h2", "scrollWidth")
+store-property: (".mobile-topbar h2", {"scrollWidth": scrollWidth})
 assert-property: (".mobile-topbar h2", {"clientWidth": |scrollWidth|})
 assert-css: (".mobile-topbar h2", {"overflow-x": "hidden"})
 
diff --git a/tests/rustdoc-js/generics-trait.js b/tests/rustdoc-js/generics-trait.js
index 7876622435b..0e84751603e 100644
--- a/tests/rustdoc-js/generics-trait.js
+++ b/tests/rustdoc-js/generics-trait.js
@@ -1,9 +1,21 @@
+// exact-check
+
 const QUERY = [
     'Result<SomeTrait>',
+    'Result<SomeTraiz>',
+    'OtherThingxxxxxxxx',
+    'OtherThingxxxxxxxy',
+];
+
+const CORRECTIONS = [
+    null,
+    null,
+    null,
     'OtherThingxxxxxxxx',
 ];
 
 const EXPECTED = [
+    // Result<SomeTrait>
     {
         'in_args': [
             { 'path': 'generics_trait', 'name': 'beta' },
@@ -12,6 +24,21 @@ const EXPECTED = [
             { 'path': 'generics_trait', 'name': 'bet' },
         ],
     },
+    // Result<SomeTraiz>
+    {
+        'in_args': [],
+        'returned': [],
+    },
+    // OtherThingxxxxxxxx
+    {
+        'in_args': [
+            { 'path': 'generics_trait', 'name': 'alpha' },
+        ],
+        'returned': [
+            { 'path': 'generics_trait', 'name': 'alef' },
+        ],
+    },
+    // OtherThingxxxxxxxy
     {
         'in_args': [
             { 'path': 'generics_trait', 'name': 'alpha' },
diff --git a/tests/rustdoc-js/slice-array.js b/tests/rustdoc-js/slice-array.js
new file mode 100644
index 00000000000..8c21e06dc4e
--- /dev/null
+++ b/tests/rustdoc-js/slice-array.js
@@ -0,0 +1,65 @@
+// exact-check
+
+const QUERY = [
+    'R<primitive:slice<P>>',
+    'primitive:slice<R<P>>',
+    'R<primitive:slice<Q>>',
+    'primitive:slice<R<Q>>',
+    'R<primitive:array<Q>>',
+    'primitive:array<R<Q>>',
+    'primitive:array<TraitCat>',
+    'primitive:array<TraitDog>',
+];
+
+const EXPECTED = [
+    {
+        // R<primitive:slice<P>>
+        'returned': [],
+        'in_args': [
+            { 'path': 'slice_array', 'name': 'alpha' },
+        ],
+    },
+    {
+        // primitive:slice<R<P>>
+        'returned': [
+            { 'path': 'slice_array', 'name': 'alef' },
+        ],
+        'in_args': [],
+    },
+    {
+        // R<primitive:slice<Q>>
+        'returned': [],
+        'in_args': [],
+    },
+    {
+        // primitive:slice<R<Q>>
+        'returned': [],
+        'in_args': [],
+    },
+    {
+        // R<primitive:array<Q>>
+        'returned': [
+            { 'path': 'slice_array', 'name': 'bet' },
+        ],
+        'in_args': [],
+    },
+    {
+        // primitive:array<R<Q>>
+        'returned': [],
+        'in_args': [
+            { 'path': 'slice_array', 'name': 'beta' },
+        ],
+    },
+    {
+        // primitive::array<TraitCat>
+        'in_args': [
+            { 'path': 'slice_array', 'name': 'gamma' },
+        ],
+    },
+    {
+        // primitive::array<TraitDog>
+        'in_args': [
+            { 'path': 'slice_array', 'name': 'gamma' },
+        ],
+    },
+];
diff --git a/tests/rustdoc-js/slice-array.rs b/tests/rustdoc-js/slice-array.rs
new file mode 100644
index 00000000000..2523b21cfaa
--- /dev/null
+++ b/tests/rustdoc-js/slice-array.rs
@@ -0,0 +1,16 @@
+pub struct P;
+pub struct Q;
+pub struct R<T>(T);
+
+// returns test
+pub fn alef() -> &'static [R<P>] { loop {} }
+pub fn bet() -> R<[Q; 32]> { loop {} }
+
+// in_args test
+pub fn alpha(_x: R<&'static [P]>) { loop {} }
+pub fn beta(_x: [R<Q>; 32]) { loop {} }
+
+pub trait TraitCat {}
+pub trait TraitDog {}
+
+pub fn gamma<T: TraitCat + TraitDog>(t: [T; 32]) {}
diff --git a/tests/rustdoc-json/fn_pointer/abi.rs b/tests/rustdoc-json/fn_pointer/abi.rs
index 3c1a453d12d..6a30acc2cc3 100644
--- a/tests/rustdoc-json/fn_pointer/abi.rs
+++ b/tests/rustdoc-json/fn_pointer/abi.rs
@@ -1,7 +1,6 @@
 // ignore-tidy-linelength
 
 #![feature(abi_vectorcall)]
-#![feature(c_unwind)]
 
 // @is "$.index[*][?(@.name=='AbiRust')].inner.type.inner.header.abi" \"Rust\"
 pub type AbiRust = fn();
diff --git a/tests/rustdoc-json/fns/abi.rs b/tests/rustdoc-json/fns/abi.rs
index 0e8b78bc0e6..7a5dbee730c 100644
--- a/tests/rustdoc-json/fns/abi.rs
+++ b/tests/rustdoc-json/fns/abi.rs
@@ -1,7 +1,6 @@
 // ignore-tidy-linelength
 
 #![feature(abi_vectorcall)]
-#![feature(c_unwind)]
 
 // @is "$.index[*][?(@.name=='abi_rust')].inner.header.abi" \"Rust\"
 pub fn abi_rust() {}
diff --git a/tests/rustdoc-json/impls/impl_item_visibility.rs b/tests/rustdoc-json/impls/impl_item_visibility.rs
new file mode 100644
index 00000000000..efa54d91dca
--- /dev/null
+++ b/tests/rustdoc-json/impls/impl_item_visibility.rs
@@ -0,0 +1,26 @@
+#![feature(no_core)]
+#![no_core]
+
+pub struct Foo;
+
+/// impl Foo priv
+impl Foo {
+    fn baz() {}
+}
+// @!has '$.index[*][?(@.docs=="impl Foo priv")]'
+
+
+/// impl Foo pub
+impl Foo {
+    pub fn qux() {}
+}
+// @is '$.index[*][?(@.docs=="impl Foo pub")].visibility' '"default"'
+
+
+/// impl Foo hidden
+impl Foo {
+    #[doc(hidden)]
+    pub fn __quazl(){}
+}
+// FIXME(#111564): Is this the right behaviour?
+// @is '$.index[*][?(@.docs=="impl Foo hidden")].visibility' '"default"'
diff --git a/tests/rustdoc-json/impls/impl_item_visibility_show_hidden.rs b/tests/rustdoc-json/impls/impl_item_visibility_show_hidden.rs
new file mode 100644
index 00000000000..3c6fefc4ca2
--- /dev/null
+++ b/tests/rustdoc-json/impls/impl_item_visibility_show_hidden.rs
@@ -0,0 +1,28 @@
+// compile-flags: --document-hidden-items
+#![feature(no_core)]
+#![no_core]
+
+pub struct Foo;
+
+/// impl Foo priv
+impl Foo {
+    fn baz() {}
+}
+// FIXME(#111564): Is this the right behaviour?
+// @is '$.index[*][?(@.docs=="impl Foo priv")].visibility' '"default"'
+
+
+/// impl Foo pub
+impl Foo {
+    pub fn qux() {}
+}
+// @is '$.index[*][?(@.docs=="impl Foo pub")].visibility' '"default"'
+
+
+/// impl Foo hidden
+impl Foo {
+    #[doc(hidden)]
+    pub fn __quazl(){}
+}
+// FIXME(#111564): Is this the right behaviour?
+// @is '$.index[*][?(@.docs=="impl Foo hidden")].visibility' '"default"'
diff --git a/tests/rustdoc-json/impls/impl_item_visibility_show_private.rs b/tests/rustdoc-json/impls/impl_item_visibility_show_private.rs
new file mode 100644
index 00000000000..b98d1e4167c
--- /dev/null
+++ b/tests/rustdoc-json/impls/impl_item_visibility_show_private.rs
@@ -0,0 +1,27 @@
+// compile-flags: --document-private-items
+#![feature(no_core)]
+#![no_core]
+
+pub struct Foo;
+
+/// impl Foo priv
+impl Foo {
+    fn baz() {}
+}
+// @is '$.index[*][?(@.docs=="impl Foo priv")].visibility' '"default"'
+
+
+/// impl Foo pub
+impl Foo {
+    pub fn qux() {}
+}
+// @is '$.index[*][?(@.docs=="impl Foo pub")].visibility' '"default"'
+
+
+/// impl Foo hidden
+impl Foo {
+    #[doc(hidden)]
+    pub fn __quazl(){}
+}
+// FIXME(#111564): Is this the right behaviour?
+// @is '$.index[*][?(@.docs=="impl Foo hidden")].visibility' '"default"'
diff --git a/tests/rustdoc-json/methods/abi.rs b/tests/rustdoc-json/methods/abi.rs
index 4c97d97ceba..fd03d92d65b 100644
--- a/tests/rustdoc-json/methods/abi.rs
+++ b/tests/rustdoc-json/methods/abi.rs
@@ -1,7 +1,6 @@
 // ignore-tidy-linelength
 
 #![feature(abi_vectorcall)]
-#![feature(c_unwind)]
 #![feature(no_core)]
 #![no_core]
 
diff --git a/tests/rustdoc-json/type/inherent_associated_type.rs b/tests/rustdoc-json/type/inherent_associated_type.rs
new file mode 100644
index 00000000000..ed63def93df
--- /dev/null
+++ b/tests/rustdoc-json/type/inherent_associated_type.rs
@@ -0,0 +1,29 @@
+// ignore-tidy-linelength
+#![feature(inherent_associated_types)]
+#![feature(no_core)]
+#![allow(incomplete_features)]
+#![no_core]
+
+// @set OwnerMetadata = '$.index[*][?(@.name=="OwnerMetadata")].id'
+pub struct OwnerMetadata;
+// @set Owner = '$.index[*][?(@.name=="Owner")].id'
+pub struct Owner;
+
+pub fn create() -> Owner::Metadata {
+    OwnerMetadata
+}
+// @is '$.index[*][?(@.name=="create")].inner.decl.output.kind' '"qualified_path"'
+// @is '$.index[*][?(@.name=="create")].inner.decl.output.inner.name' '"Metadata"'
+// @is '$.index[*][?(@.name=="create")].inner.decl.output.inner.trait' null
+// @is '$.index[*][?(@.name=="create")].inner.decl.output.inner.self_type.kind' '"resolved_path"'
+// @is '$.index[*][?(@.name=="create")].inner.decl.output.inner.self_type.inner.id' $Owner
+
+/// impl
+impl Owner {
+    /// iat
+    pub type Metadata = OwnerMetadata;
+}
+// @set iat = '$.index[*][?(@.docs=="iat")].id'
+// @is '$.index[*][?(@.docs=="impl")].inner.items[*]' $iat
+// @is '$.index[*][?(@.docs=="iat")].kind' '"assoc_type"'
+// @is '$.index[*][?(@.docs=="iat")].inner.default.inner.id' $OwnerMetadata
diff --git a/tests/rustdoc-json/type/inherent_associated_type_bound.rs b/tests/rustdoc-json/type/inherent_associated_type_bound.rs
new file mode 100644
index 00000000000..a089600b692
--- /dev/null
+++ b/tests/rustdoc-json/type/inherent_associated_type_bound.rs
@@ -0,0 +1,21 @@
+// ignore-tidy-linelength
+#![feature(inherent_associated_types)]
+#![allow(incomplete_features)]
+
+// @set Carrier = '$.index[*][?(@.name=="Carrier")].id'
+pub struct Carrier<'a>(&'a ());
+
+// @is '$.index[*][?(@.name=="User")].inner.type.kind' '"function_pointer"'
+// @is '$.index[*][?(@.name=="User")].inner.type.inner.generic_params[*].name' \""'b"\"
+// @is '$.index[*][?(@.name=="User")].inner.type.inner.decl.inputs[0][1].kind' '"qualified_path"'
+// @is '$.index[*][?(@.name=="User")].inner.type.inner.decl.inputs[0][1].inner.self_type.inner.id' $Carrier
+// @is '$.index[*][?(@.name=="User")].inner.type.inner.decl.inputs[0][1].inner.self_type.inner.args.angle_bracketed.args[0].lifetime' \""'b"\"
+// @is '$.index[*][?(@.name=="User")].inner.type.inner.decl.inputs[0][1].inner.name' '"Focus"'
+// @is '$.index[*][?(@.name=="User")].inner.type.inner.decl.inputs[0][1].inner.trait' null
+// @is '$.index[*][?(@.name=="User")].inner.type.inner.decl.inputs[0][1].inner.args.angle_bracketed.args[0].type.inner' '"i32"'
+
+pub type User = for<'b> fn(Carrier<'b>::Focus<i32>);
+
+impl<'a> Carrier<'a> {
+    pub type Focus<T> = &'a mut T;
+}
diff --git a/tests/rustdoc-json/type/inherent_associated_type_projections.rs b/tests/rustdoc-json/type/inherent_associated_type_projections.rs
new file mode 100644
index 00000000000..30c68bfe56c
--- /dev/null
+++ b/tests/rustdoc-json/type/inherent_associated_type_projections.rs
@@ -0,0 +1,33 @@
+// ignore-tidy-linelength
+#![feature(inherent_associated_types)]
+#![allow(incomplete_features)]
+
+// @set Parametrized = '$.index[*][?(@.name=="Parametrized")].id'
+pub struct Parametrized<T>(T);
+
+// @is '$.index[*][?(@.name=="Test")].inner.type.kind' '"qualified_path"'
+// @is '$.index[*][?(@.name=="Test")].inner.type.inner.self_type.inner.id' $Parametrized
+// @is '$.index[*][?(@.name=="Test")].inner.type.inner.self_type.inner.args.angle_bracketed.args[0].type' '{"inner": "i32", "kind": "primitive"}'
+// @is '$.index[*][?(@.name=="Test")].inner.type.inner.name' '"Proj"'
+// @is '$.index[*][?(@.name=="Test")].inner.type.inner.trait' null
+pub type Test = Parametrized<i32>::Proj;
+
+/// param_bool
+impl Parametrized<bool> {
+    /// param_bool_proj
+    pub type Proj = ();
+}
+
+/// param_i32
+impl Parametrized<i32> {
+    /// param_i32_proj
+    pub type Proj = String;
+}
+
+// @set param_bool = '$.index[*][?(@.docs=="param_bool")].id'
+// @set param_i32 = '$.index[*][?(@.docs=="param_i32")].id'
+// @set param_bool_proj = '$.index[*][?(@.docs=="param_bool_proj")].id'
+// @set param_i32_proj = '$.index[*][?(@.docs=="param_i32_proj")].id'
+
+// @is '$.index[*][?(@.docs=="param_bool")].inner.items[*]' $param_bool_proj
+// @is '$.index[*][?(@.docs=="param_i32")].inner.items[*]' $param_i32_proj
diff --git a/tests/rustdoc-ui/check-cfg/check-cfg.stderr b/tests/rustdoc-ui/check-cfg/check-cfg.stderr
index 1db8e1d91c2..03fb6f96fb5 100644
--- a/tests/rustdoc-ui/check-cfg/check-cfg.stderr
+++ b/tests/rustdoc-ui/check-cfg/check-cfg.stderr
@@ -2,7 +2,7 @@ warning: unexpected `cfg` condition name
   --> $DIR/check-cfg.rs:5:7
    |
 LL | #[cfg(uniz)]
-   |       ^^^^ help: did you mean: `unix`
+   |       ^^^^ help: there is a config with a similar name: `unix`
    |
    = note: `#[warn(unexpected_cfgs)]` on by default
 
diff --git a/tests/rustdoc-ui/doctest/check-cfg-test.stderr b/tests/rustdoc-ui/doctest/check-cfg-test.stderr
index 9770be2f191..f84543c2072 100644
--- a/tests/rustdoc-ui/doctest/check-cfg-test.stderr
+++ b/tests/rustdoc-ui/doctest/check-cfg-test.stderr
@@ -4,7 +4,7 @@ warning: unexpected `cfg` condition value
 LL | #[cfg(feature = "invalid")]
    |       ^^^^^^^^^^^^^^^^^^^
    |
-   = note: expected values for `feature` are: test
+   = note: expected values for `feature` are: `test`
    = note: `#[warn(unexpected_cfgs)]` on by default
 
 warning: 1 warning emitted
diff --git a/tests/rustdoc-ui/ice-bug-report-url.rs b/tests/rustdoc-ui/ice-bug-report-url.rs
new file mode 100644
index 00000000000..8ede91cf8f4
--- /dev/null
+++ b/tests/rustdoc-ui/ice-bug-report-url.rs
@@ -0,0 +1,14 @@
+// compile-flags: -Ztreat-err-as-bug
+// failure-status: 101
+// error-pattern: aborting due to
+// error-pattern: we would appreciate a bug report: https://github.com/rust-lang/rust/issues/new?labels=C-bug%2C+I-ICE%2C+T-rustdoc&template=ice.md
+
+// normalize-stderr-test "note: compiler flags.*\n\n" -> ""
+// normalize-stderr-test "note: rustc.*running on.*" -> "note: rustc {version} running on {platform}"
+// normalize-stderr-test "thread.*panicked at .*, compiler.*" -> "thread panicked at 'aborting due to `-Z treat-err-as-bug`'"
+// normalize-stderr-test " +\d{1,}: .*\n" -> ""
+// normalize-stderr-test " + at .*\n" -> ""
+// normalize-stderr-test ".*note: Some details are omitted.*\n" -> ""
+
+fn wrong()
+//~^ ERROR expected one of
diff --git a/tests/rustdoc-ui/ice-bug-report-url.stderr b/tests/rustdoc-ui/ice-bug-report-url.stderr
new file mode 100644
index 00000000000..98c08b9a894
--- /dev/null
+++ b/tests/rustdoc-ui/ice-bug-report-url.stderr
@@ -0,0 +1,17 @@
+error: expected one of `->`, `where`, or `{`, found `<eof>`
+  --> $DIR/ice-bug-report-url.rs:13:10
+   |
+LL | fn wrong()
+   |          ^ expected one of `->`, `where`, or `{`
+
+thread panicked at 'aborting due to `-Z treat-err-as-bug`'
+stack backtrace:
+
+error: the compiler unexpectedly panicked. this is a bug.
+
+note: we would appreciate a bug report: https://github.com/rust-lang/rust/issues/new?labels=C-bug%2C+I-ICE%2C+T-rustdoc&template=ice.md
+
+note: rustc {version} running on {platform}
+
+query stack during panic:
+end of query stack
diff --git a/tests/rustdoc-ui/issues/issue-105742.rs b/tests/rustdoc-ui/issues/issue-105742.rs
index 8f4172c0cbb..1fbb70c7808 100644
--- a/tests/rustdoc-ui/issues/issue-105742.rs
+++ b/tests/rustdoc-ui/issues/issue-105742.rs
@@ -19,6 +19,8 @@ pub trait SVec: Index<
     //~| missing generics for associated type `SVec::Item`
     //~| missing generics for associated type `SVec::Item`
     //~| missing generics for associated type `SVec::Item`
+    //~| missing generics for associated type `SVec::Item`
+    //~| missing generics for associated type `SVec::Item`
     Output = <Index<<Self as SVec>::Item,
     //~^ expected 1 lifetime argument
     //~| expected 1 generic argument
@@ -26,6 +28,8 @@ pub trait SVec: Index<
     //~| missing generics for associated type `SVec::Item`
     //~| missing generics for associated type `SVec::Item`
     //~| missing generics for associated type `SVec::Item`
+    //~| missing generics for associated type `SVec::Item`
+    //~| missing generics for associated type `SVec::Item`
     Output = <Self as SVec>::Item> as SVec>::Item,
     //~^ expected 1 lifetime argument
     //~| expected 1 generic argument
@@ -34,11 +38,15 @@ pub trait SVec: Index<
     //~| missing generics for associated type `SVec::Item`
     //~| missing generics for associated type `SVec::Item`
     //~| missing generics for associated type `SVec::Item`
+    //~| missing generics for associated type `SVec::Item`
+    //~| missing generics for associated type `SVec::Item`
     //~| expected 1 generic argument
     //~| missing generics for associated type `SVec::Item`
     //~| missing generics for associated type `SVec::Item`
     //~| missing generics for associated type `SVec::Item`
     //~| missing generics for associated type `SVec::Item`
+    //~| missing generics for associated type `SVec::Item`
+    //~| missing generics for associated type `SVec::Item`
 > {
     type Item<'a, T>;
 
diff --git a/tests/rustdoc-ui/issues/issue-105742.stderr b/tests/rustdoc-ui/issues/issue-105742.stderr
index cd53762ef9b..b63176c9149 100644
--- a/tests/rustdoc-ui/issues/issue-105742.stderr
+++ b/tests/rustdoc-ui/issues/issue-105742.stderr
@@ -5,7 +5,7 @@ LL |     <Self as SVec>::Item,
    |                     ^^^^ expected 1 lifetime argument
    |
 note: associated type defined here, with 1 lifetime parameter: `'a`
-  --> $DIR/issue-105742.rs:43:10
+  --> $DIR/issue-105742.rs:51:10
    |
 LL |     type Item<'a, T>;
    |          ^^^^ --
@@ -21,7 +21,7 @@ LL |     <Self as SVec>::Item,
    |                     ^^^^ expected 1 generic argument
    |
 note: associated type defined here, with 1 generic parameter: `T`
-  --> $DIR/issue-105742.rs:43:10
+  --> $DIR/issue-105742.rs:51:10
    |
 LL |     type Item<'a, T>;
    |          ^^^^     -
@@ -31,13 +31,13 @@ LL |     <Self as SVec>::Item<T>,
    |                         +++
 
 error[E0107]: missing generics for associated type `SVec::Item`
-  --> $DIR/issue-105742.rs:22:37
+  --> $DIR/issue-105742.rs:24:37
    |
 LL |     Output = <Index<<Self as SVec>::Item,
    |                                     ^^^^ expected 1 lifetime argument
    |
 note: associated type defined here, with 1 lifetime parameter: `'a`
-  --> $DIR/issue-105742.rs:43:10
+  --> $DIR/issue-105742.rs:51:10
    |
 LL |     type Item<'a, T>;
    |          ^^^^ --
@@ -47,13 +47,13 @@ LL |     Output = <Index<<Self as SVec>::Item<'a>,
    |                                         ++++
 
 error[E0107]: missing generics for associated type `SVec::Item`
-  --> $DIR/issue-105742.rs:22:37
+  --> $DIR/issue-105742.rs:24:37
    |
 LL |     Output = <Index<<Self as SVec>::Item,
    |                                     ^^^^ expected 1 generic argument
    |
 note: associated type defined here, with 1 generic parameter: `T`
-  --> $DIR/issue-105742.rs:43:10
+  --> $DIR/issue-105742.rs:51:10
    |
 LL |     type Item<'a, T>;
    |          ^^^^     -
@@ -63,13 +63,13 @@ LL |     Output = <Index<<Self as SVec>::Item<T>,
    |                                         +++
 
 error[E0107]: missing generics for associated type `SVec::Item`
-  --> $DIR/issue-105742.rs:29:30
+  --> $DIR/issue-105742.rs:33:30
    |
 LL |     Output = <Self as SVec>::Item> as SVec>::Item,
    |                              ^^^^ expected 1 lifetime argument
    |
 note: associated type defined here, with 1 lifetime parameter: `'a`
-  --> $DIR/issue-105742.rs:43:10
+  --> $DIR/issue-105742.rs:51:10
    |
 LL |     type Item<'a, T>;
    |          ^^^^ --
@@ -79,13 +79,13 @@ LL |     Output = <Self as SVec>::Item<'a>> as SVec>::Item,
    |                                  ++++
 
 error[E0107]: missing generics for associated type `SVec::Item`
-  --> $DIR/issue-105742.rs:29:30
+  --> $DIR/issue-105742.rs:33:30
    |
 LL |     Output = <Self as SVec>::Item> as SVec>::Item,
    |                              ^^^^ expected 1 generic argument
    |
 note: associated type defined here, with 1 generic parameter: `T`
-  --> $DIR/issue-105742.rs:43:10
+  --> $DIR/issue-105742.rs:51:10
    |
 LL |     type Item<'a, T>;
    |          ^^^^     -
@@ -95,13 +95,13 @@ LL |     Output = <Self as SVec>::Item<T>> as SVec>::Item,
    |                                  +++
 
 error[E0107]: missing generics for associated type `SVec::Item`
-  --> $DIR/issue-105742.rs:29:46
+  --> $DIR/issue-105742.rs:33:46
    |
 LL |     Output = <Self as SVec>::Item> as SVec>::Item,
    |                                              ^^^^ expected 1 lifetime argument
    |
 note: associated type defined here, with 1 lifetime parameter: `'a`
-  --> $DIR/issue-105742.rs:43:10
+  --> $DIR/issue-105742.rs:51:10
    |
 LL |     type Item<'a, T>;
    |          ^^^^ --
@@ -111,13 +111,13 @@ LL |     Output = <Self as SVec>::Item> as SVec>::Item<'a>,
    |                                                  ++++
 
 error[E0107]: missing generics for associated type `SVec::Item`
-  --> $DIR/issue-105742.rs:29:46
+  --> $DIR/issue-105742.rs:33:46
    |
 LL |     Output = <Self as SVec>::Item> as SVec>::Item,
    |                                              ^^^^ expected 1 generic argument
    |
 note: associated type defined here, with 1 generic parameter: `T`
-  --> $DIR/issue-105742.rs:43:10
+  --> $DIR/issue-105742.rs:51:10
    |
 LL |     type Item<'a, T>;
    |          ^^^^     -
@@ -133,7 +133,7 @@ LL | pub fn next<'a, T>(s: &'a mut dyn SVec<Item = T, Output = T>) {
    |                                        ^^^^ expected 1 lifetime argument
    |
 note: associated type defined here, with 1 lifetime parameter: `'a`
-  --> $DIR/issue-105742.rs:43:10
+  --> $DIR/issue-105742.rs:51:10
    |
 LL |     type Item<'a, T>;
    |          ^^^^ --
@@ -149,7 +149,7 @@ LL | pub fn next<'a, T>(s: &'a mut dyn SVec<Item = T, Output = T>) {
    |                                        ^^^^ expected 1 generic argument
    |
 note: associated type defined here, with 1 generic parameter: `T`
-  --> $DIR/issue-105742.rs:43:10
+  --> $DIR/issue-105742.rs:51:10
    |
 LL |     type Item<'a, T>;
    |          ^^^^     -
@@ -165,7 +165,7 @@ LL |     <Self as SVec>::Item,
    |                     ^^^^ expected 1 lifetime argument
    |
 note: associated type defined here, with 1 lifetime parameter: `'a`
-  --> $DIR/issue-105742.rs:43:10
+  --> $DIR/issue-105742.rs:51:10
    |
 LL |     type Item<'a, T>;
    |          ^^^^ --
@@ -181,7 +181,7 @@ LL |     <Self as SVec>::Item,
    |                     ^^^^ expected 1 generic argument
    |
 note: associated type defined here, with 1 generic parameter: `T`
-  --> $DIR/issue-105742.rs:43:10
+  --> $DIR/issue-105742.rs:51:10
    |
 LL |     type Item<'a, T>;
    |          ^^^^     -
@@ -191,13 +191,13 @@ LL |     <Self as SVec>::Item<T>,
    |                         +++
 
 error[E0107]: missing generics for associated type `SVec::Item`
-  --> $DIR/issue-105742.rs:22:37
+  --> $DIR/issue-105742.rs:24:37
    |
 LL |     Output = <Index<<Self as SVec>::Item,
    |                                     ^^^^ expected 1 lifetime argument
    |
 note: associated type defined here, with 1 lifetime parameter: `'a`
-  --> $DIR/issue-105742.rs:43:10
+  --> $DIR/issue-105742.rs:51:10
    |
 LL |     type Item<'a, T>;
    |          ^^^^ --
@@ -207,13 +207,13 @@ LL |     Output = <Index<<Self as SVec>::Item<'a>,
    |                                         ++++
 
 error[E0107]: missing generics for associated type `SVec::Item`
-  --> $DIR/issue-105742.rs:22:37
+  --> $DIR/issue-105742.rs:24:37
    |
 LL |     Output = <Index<<Self as SVec>::Item,
    |                                     ^^^^ expected 1 generic argument
    |
 note: associated type defined here, with 1 generic parameter: `T`
-  --> $DIR/issue-105742.rs:43:10
+  --> $DIR/issue-105742.rs:51:10
    |
 LL |     type Item<'a, T>;
    |          ^^^^     -
@@ -223,13 +223,13 @@ LL |     Output = <Index<<Self as SVec>::Item<T>,
    |                                         +++
 
 error[E0107]: missing generics for associated type `SVec::Item`
-  --> $DIR/issue-105742.rs:29:30
+  --> $DIR/issue-105742.rs:33:30
    |
 LL |     Output = <Self as SVec>::Item> as SVec>::Item,
    |                              ^^^^ expected 1 lifetime argument
    |
 note: associated type defined here, with 1 lifetime parameter: `'a`
-  --> $DIR/issue-105742.rs:43:10
+  --> $DIR/issue-105742.rs:51:10
    |
 LL |     type Item<'a, T>;
    |          ^^^^ --
@@ -239,13 +239,13 @@ LL |     Output = <Self as SVec>::Item<'a>> as SVec>::Item,
    |                                  ++++
 
 error[E0107]: missing generics for associated type `SVec::Item`
-  --> $DIR/issue-105742.rs:29:30
+  --> $DIR/issue-105742.rs:33:30
    |
 LL |     Output = <Self as SVec>::Item> as SVec>::Item,
    |                              ^^^^ expected 1 generic argument
    |
 note: associated type defined here, with 1 generic parameter: `T`
-  --> $DIR/issue-105742.rs:43:10
+  --> $DIR/issue-105742.rs:51:10
    |
 LL |     type Item<'a, T>;
    |          ^^^^     -
@@ -255,13 +255,13 @@ LL |     Output = <Self as SVec>::Item<T>> as SVec>::Item,
    |                                  +++
 
 error[E0107]: missing generics for associated type `SVec::Item`
-  --> $DIR/issue-105742.rs:29:46
+  --> $DIR/issue-105742.rs:33:46
    |
 LL |     Output = <Self as SVec>::Item> as SVec>::Item,
    |                                              ^^^^ expected 1 lifetime argument
    |
 note: associated type defined here, with 1 lifetime parameter: `'a`
-  --> $DIR/issue-105742.rs:43:10
+  --> $DIR/issue-105742.rs:51:10
    |
 LL |     type Item<'a, T>;
    |          ^^^^ --
@@ -271,13 +271,13 @@ LL |     Output = <Self as SVec>::Item> as SVec>::Item<'a>,
    |                                                  ++++
 
 error[E0107]: missing generics for associated type `SVec::Item`
-  --> $DIR/issue-105742.rs:29:46
+  --> $DIR/issue-105742.rs:33:46
    |
 LL |     Output = <Self as SVec>::Item> as SVec>::Item,
    |                                              ^^^^ expected 1 generic argument
    |
 note: associated type defined here, with 1 generic parameter: `T`
-  --> $DIR/issue-105742.rs:43:10
+  --> $DIR/issue-105742.rs:51:10
    |
 LL |     type Item<'a, T>;
    |          ^^^^     -
@@ -317,13 +317,141 @@ LL | |  > {
    | |__^ ...because it uses `Self` as a type parameter
 
 error[E0107]: missing generics for associated type `SVec::Item`
-  --> $DIR/issue-105742.rs:45:38
+  --> $DIR/issue-105742.rs:15:21
+   |
+LL |     <Self as SVec>::Item,
+   |                     ^^^^ expected 1 lifetime argument
+   |
+note: associated type defined here, with 1 lifetime parameter: `'a`
+  --> $DIR/issue-105742.rs:51:10
+   |
+LL |     type Item<'a, T>;
+   |          ^^^^ --
+help: add missing lifetime argument
+   |
+LL |     <Self as SVec>::Item<'a>,
+   |                         ++++
+
+error[E0107]: missing generics for associated type `SVec::Item`
+  --> $DIR/issue-105742.rs:15:21
+   |
+LL |     <Self as SVec>::Item,
+   |                     ^^^^ expected 1 generic argument
+   |
+note: associated type defined here, with 1 generic parameter: `T`
+  --> $DIR/issue-105742.rs:51:10
+   |
+LL |     type Item<'a, T>;
+   |          ^^^^     -
+help: add missing generic argument
+   |
+LL |     <Self as SVec>::Item<T>,
+   |                         +++
+
+error[E0107]: missing generics for associated type `SVec::Item`
+  --> $DIR/issue-105742.rs:24:37
+   |
+LL |     Output = <Index<<Self as SVec>::Item,
+   |                                     ^^^^ expected 1 lifetime argument
+   |
+note: associated type defined here, with 1 lifetime parameter: `'a`
+  --> $DIR/issue-105742.rs:51:10
+   |
+LL |     type Item<'a, T>;
+   |          ^^^^ --
+help: add missing lifetime argument
+   |
+LL |     Output = <Index<<Self as SVec>::Item<'a>,
+   |                                         ++++
+
+error[E0107]: missing generics for associated type `SVec::Item`
+  --> $DIR/issue-105742.rs:24:37
+   |
+LL |     Output = <Index<<Self as SVec>::Item,
+   |                                     ^^^^ expected 1 generic argument
+   |
+note: associated type defined here, with 1 generic parameter: `T`
+  --> $DIR/issue-105742.rs:51:10
+   |
+LL |     type Item<'a, T>;
+   |          ^^^^     -
+help: add missing generic argument
+   |
+LL |     Output = <Index<<Self as SVec>::Item<T>,
+   |                                         +++
+
+error[E0107]: missing generics for associated type `SVec::Item`
+  --> $DIR/issue-105742.rs:33:30
+   |
+LL |     Output = <Self as SVec>::Item> as SVec>::Item,
+   |                              ^^^^ expected 1 lifetime argument
+   |
+note: associated type defined here, with 1 lifetime parameter: `'a`
+  --> $DIR/issue-105742.rs:51:10
+   |
+LL |     type Item<'a, T>;
+   |          ^^^^ --
+help: add missing lifetime argument
+   |
+LL |     Output = <Self as SVec>::Item<'a>> as SVec>::Item,
+   |                                  ++++
+
+error[E0107]: missing generics for associated type `SVec::Item`
+  --> $DIR/issue-105742.rs:33:30
+   |
+LL |     Output = <Self as SVec>::Item> as SVec>::Item,
+   |                              ^^^^ expected 1 generic argument
+   |
+note: associated type defined here, with 1 generic parameter: `T`
+  --> $DIR/issue-105742.rs:51:10
+   |
+LL |     type Item<'a, T>;
+   |          ^^^^     -
+help: add missing generic argument
+   |
+LL |     Output = <Self as SVec>::Item<T>> as SVec>::Item,
+   |                                  +++
+
+error[E0107]: missing generics for associated type `SVec::Item`
+  --> $DIR/issue-105742.rs:33:46
+   |
+LL |     Output = <Self as SVec>::Item> as SVec>::Item,
+   |                                              ^^^^ expected 1 lifetime argument
+   |
+note: associated type defined here, with 1 lifetime parameter: `'a`
+  --> $DIR/issue-105742.rs:51:10
+   |
+LL |     type Item<'a, T>;
+   |          ^^^^ --
+help: add missing lifetime argument
+   |
+LL |     Output = <Self as SVec>::Item> as SVec>::Item<'a>,
+   |                                                  ++++
+
+error[E0107]: missing generics for associated type `SVec::Item`
+  --> $DIR/issue-105742.rs:33:46
+   |
+LL |     Output = <Self as SVec>::Item> as SVec>::Item,
+   |                                              ^^^^ expected 1 generic argument
+   |
+note: associated type defined here, with 1 generic parameter: `T`
+  --> $DIR/issue-105742.rs:51:10
+   |
+LL |     type Item<'a, T>;
+   |          ^^^^     -
+help: add missing generic argument
+   |
+LL |     Output = <Self as SVec>::Item> as SVec>::Item<T>,
+   |                                                  +++
+
+error[E0107]: missing generics for associated type `SVec::Item`
+  --> $DIR/issue-105742.rs:53:38
    |
 LL |     fn len(&self) -> <Self as SVec>::Item;
    |                                      ^^^^ expected 1 lifetime argument
    |
 note: associated type defined here, with 1 lifetime parameter: `'a`
-  --> $DIR/issue-105742.rs:43:10
+  --> $DIR/issue-105742.rs:51:10
    |
 LL |     type Item<'a, T>;
    |          ^^^^ --
@@ -333,13 +461,13 @@ LL |     fn len(&self) -> <Self as SVec>::Item<'_>;
    |                                          ++++
 
 error[E0107]: missing generics for associated type `SVec::Item`
-  --> $DIR/issue-105742.rs:45:38
+  --> $DIR/issue-105742.rs:53:38
    |
 LL |     fn len(&self) -> <Self as SVec>::Item;
    |                                      ^^^^ expected 1 generic argument
    |
 note: associated type defined here, with 1 generic parameter: `T`
-  --> $DIR/issue-105742.rs:43:10
+  --> $DIR/issue-105742.rs:51:10
    |
 LL |     type Item<'a, T>;
    |          ^^^^     -
@@ -348,7 +476,7 @@ help: add missing generic argument
 LL |     fn len(&self) -> <Self as SVec>::Item<T>;
    |                                          +++
 
-error: aborting due to 21 previous errors
+error: aborting due to 29 previous errors
 
 Some errors have detailed explanations: E0038, E0107.
 For more information about an error, try `rustc --explain E0038`.
diff --git a/tests/rustdoc/impl-alias-substituted.rs b/tests/rustdoc/impl-alias-substituted.rs
new file mode 100644
index 00000000000..82dfffe5f1c
--- /dev/null
+++ b/tests/rustdoc/impl-alias-substituted.rs
@@ -0,0 +1,9 @@
+pub struct Matrix<T, const N: usize, const M: usize>([[T; N]; M]);
+
+pub type Vector<T, const N: usize> = Matrix<T, N, 1>;
+
+// @has "impl_alias_substituted/struct.Matrix.html" '//*[@class="impl"]//h3[@class="code-header"]' \
+//  "impl<T: Copy> Matrix<T, 3, 1>"
+impl<T: Copy> Vector<T, 3> {
+    pub fn test() {}
+}
diff --git a/tests/rustdoc/inherent-projections.rs b/tests/rustdoc/inherent-projections.rs
new file mode 100644
index 00000000000..9bda0acaf83
--- /dev/null
+++ b/tests/rustdoc/inherent-projections.rs
@@ -0,0 +1,44 @@
+#![feature(inherent_associated_types)]
+#![allow(incomplete_features)]
+
+// @has 'inherent_projections/fn.create.html'
+// @has - '//pre[@class="rust item-decl"]' "create() -> Owner::Metadata"
+// @has - '//pre[@class="rust item-decl"]//a[@class="associatedtype"]/@href' 'struct.Owner.html#associatedtype.Metadata'
+pub fn create() -> Owner::Metadata {}
+
+pub struct Owner;
+
+impl Owner {
+    pub type Metadata = ();
+}
+
+// Make sure we handle bound vars correctly.
+// @has 'inherent_projections/type.User.html' '//pre[@class="rust item-decl"]' "for<'a> fn(_: Carrier<'a>::Focus)"
+pub type User = for<'a> fn(Carrier<'a>::Focus);
+
+pub struct Carrier<'a>(&'a ());
+
+impl<'a> Carrier<'a> {
+    pub type Focus = &'a mut i32;
+}
+
+////////////////////////////////////////
+
+// FIXME(inherent_associated_types): Below we link to `Proj` but we should link to `Proj-1`.
+// The current test checks for the buggy behavior for demonstration purposes.
+
+// @has 'inherent_projections/type.Test.html'
+// @has - '//pre[@class="rust item-decl"]' "Parametrized<i32>"
+// @has - '//pre[@class="rust item-decl"]//a[@class="associatedtype"]/@href' 'struct.Parametrized.html#associatedtype.Proj'
+// @!has - '//pre[@class="rust item-decl"]//a[@class="associatedtype"]/@href' 'struct.Parametrized.html#associatedtype.Proj-1'
+pub type Test = Parametrized<i32>::Proj;
+
+pub struct Parametrized<T>(T);
+
+impl Parametrized<bool> {
+    pub type Proj = ();
+}
+
+impl Parametrized<i32> {
+    pub type Proj = String;
+}
diff --git a/tests/rustdoc/intra-doc/inherent-associated-types.rs b/tests/rustdoc/intra-doc/inherent-associated-types.rs
new file mode 100644
index 00000000000..2b28d2ae60b
--- /dev/null
+++ b/tests/rustdoc/intra-doc/inherent-associated-types.rs
@@ -0,0 +1,45 @@
+#![feature(inherent_associated_types)]
+
+#![allow(incomplete_features)]
+#![deny(rustdoc::broken_intra_doc_links)]
+
+// @has inherent_associated_types/index.html
+
+// @has - '//a/@href' 'enum.Simple.html#associatedtype.Type'
+//! [`Simple::Type`]
+
+pub enum Simple {}
+
+impl Simple {
+    pub type Type = ();
+}
+
+////////////////////////////////////////
+
+// @has 'inherent_associated_types/type.Test0.html' '//a/@href' \
+//          'struct.Parametrized.html#associatedtype.Proj'
+/// [`Parametrized<bool>::Proj`]
+pub type Test0 = ();
+
+// FIXME(inherent_associated_types): The intra-doc link below should point to `Proj-1` not `Proj`.
+// The current test checks for the buggy behavior for demonstration purposes.
+// The same bug happens for inherent associated functions and constants (see #85960, #93398).
+//
+// Further, at some point we should reject the intra-doc link `Parametrized::Proj`.
+// It currently links to `Parametrized<bool>::Proj`.
+
+// @has 'inherent_associated_types/type.Test1.html'
+// @has - '//a/@href' 'struct.Parametrized.html#associatedtype.Proj'
+// @!has - '//a/@href' 'struct.Parametrized.html#associatedtype.Proj-1'
+/// [`Parametrized<i32>::Proj`]
+pub type Test1 = ();
+
+pub struct Parametrized<T>(T);
+
+impl Parametrized<bool> {
+    pub type Proj = ();
+}
+
+impl Parametrized<i32> {
+    pub type Proj = String;
+}
diff --git a/tests/rustdoc/issue-111064-reexport-trait-from-hidden-2.rs b/tests/rustdoc/issue-111064-reexport-trait-from-hidden-2.rs
new file mode 100644
index 00000000000..8e1029a1ca3
--- /dev/null
+++ b/tests/rustdoc/issue-111064-reexport-trait-from-hidden-2.rs
@@ -0,0 +1,31 @@
+#![feature(no_core)]
+#![no_core]
+#![crate_name = "foo"]
+
+// @!has 'foo/hidden/index.html'
+// FIXME: add missing `@` for the two next tests once issue is fixed!
+// To be done in <https://github.com/rust-lang/rust/issues/111249>.
+// !has 'foo/hidden/inner/index.html'
+// !has 'foo/hidden/inner/trait.Foo.html'
+#[doc(hidden)]
+pub mod hidden {
+    pub mod inner {
+        pub trait Foo {
+            /// Hello, world!
+            fn test();
+        }
+    }
+}
+
+// @has 'foo/visible/index.html'
+// @has 'foo/visible/trait.Foo.html'
+#[doc(inline)]
+pub use hidden::inner as visible;
+
+// @has 'foo/struct.Bar.html'
+// @count - '//*[@id="impl-Foo-for-Bar"]' 1
+pub struct Bar;
+
+impl visible::Foo for Bar {
+    fn test() {}
+}
diff --git a/tests/rustdoc/issue-111064-reexport-trait-from-hidden.rs b/tests/rustdoc/issue-111064-reexport-trait-from-hidden.rs
new file mode 100644
index 00000000000..a9ce4a34507
--- /dev/null
+++ b/tests/rustdoc/issue-111064-reexport-trait-from-hidden.rs
@@ -0,0 +1,21 @@
+// Regression test for <https://github.com/rust-lang/rust/issues/111064>.
+// Methods from a re-exported trait inside a `#[doc(hidden)]` item should
+// be visible.
+
+#![crate_name = "foo"]
+
+// @has 'foo/index.html'
+// @has - '//*[@id="main-content"]//*[@class="item-name"]/a[@href="trait.Foo.html"]' 'Foo'
+
+// @has 'foo/trait.Foo.html'
+// @has - '//*[@id="main-content"]//*[@class="code-header"]' 'fn test()'
+
+#[doc(hidden)]
+mod hidden {
+    pub trait Foo {
+        /// Hello, world!
+        fn test();
+    }
+}
+
+pub use hidden::Foo;
diff --git a/tests/rustdoc/nested-items-issue-111415.rs b/tests/rustdoc/nested-items-issue-111415.rs
new file mode 100644
index 00000000000..9b7688c332c
--- /dev/null
+++ b/tests/rustdoc/nested-items-issue-111415.rs
@@ -0,0 +1,36 @@
+// Regression test for <https://github.com/rust-lang/rust/issues/111415>.
+// This test ensures that only impl blocks are documented in bodies.
+
+#![crate_name = "foo"]
+
+// @has 'foo/index.html'
+// Checking there are only three sections.
+// @count - '//*[@id="main-content"]/*[@class="small-section-header"]' 3
+// @has - '//*[@id="main-content"]/*[@class="small-section-header"]' 'Structs'
+// @has - '//*[@id="main-content"]/*[@class="small-section-header"]' 'Functions'
+// @has - '//*[@id="main-content"]/*[@class="small-section-header"]' 'Traits'
+// Checking that there are only three items.
+// @count - '//*[@id="main-content"]//*[@class="item-name"]' 3
+// @has - '//*[@id="main-content"]//a[@href="struct.Bar.html"]' 'Bar'
+// @has - '//*[@id="main-content"]//a[@href="fn.foo.html"]' 'foo'
+// @has - '//*[@id="main-content"]//a[@href="trait.Foo.html"]' 'Foo'
+
+// Now checking that the `foo` method is visible in `Bar` page.
+// @has 'foo/struct.Bar.html'
+// @has - '//*[@id="method.foo"]/*[@class="code-header"]' 'pub fn foo()'
+// @has - '//*[@id="method.bar"]/*[@class="code-header"]' 'fn bar()'
+pub struct Bar;
+
+pub trait Foo {
+    fn bar() {}
+}
+
+pub fn foo() {
+    pub mod inaccessible {}
+    pub fn inner() {}
+    pub const BAR: u32 = 0;
+    impl Bar {
+        pub fn foo() {}
+    }
+    impl Foo for Bar {}
+}
diff --git a/tests/ui-fulldeps/deriving-encodable-decodable-box.rs b/tests/ui-fulldeps/deriving-encodable-decodable-box.rs
deleted file mode 100644
index 1c376f59e51..00000000000
--- a/tests/ui-fulldeps/deriving-encodable-decodable-box.rs
+++ /dev/null
@@ -1,34 +0,0 @@
-// run-pass
-
-#![allow(unused_imports)]
-#![feature(rustc_private)]
-
-extern crate rustc_macros;
-extern crate rustc_serialize;
-
-// Necessary to pull in object code as the rest of the rustc crates are shipped only as rmeta
-// files.
-#[allow(unused_extern_crates)]
-extern crate rustc_driver;
-
-use rustc_macros::{Decodable, Encodable};
-use rustc_serialize::opaque::{MemDecoder, MemEncoder};
-use rustc_serialize::{Decodable, Encodable, Encoder};
-
-#[derive(Encodable, Decodable)]
-struct A {
-    foo: Box<[bool]>,
-}
-
-fn main() {
-    let obj = A { foo: Box::new([true, false]) };
-
-    let mut encoder = MemEncoder::new();
-    obj.encode(&mut encoder);
-    let data = encoder.finish();
-
-    let mut decoder = MemDecoder::new(&data, 0);
-    let obj2 = A::decode(&mut decoder);
-
-    assert_eq!(obj.foo, obj2.foo);
-}
diff --git a/tests/ui-fulldeps/deriving-encodable-decodable-cell-refcell.rs b/tests/ui-fulldeps/deriving-encodable-decodable-cell-refcell.rs
deleted file mode 100644
index 844d40f2ecd..00000000000
--- a/tests/ui-fulldeps/deriving-encodable-decodable-cell-refcell.rs
+++ /dev/null
@@ -1,44 +0,0 @@
-// run-pass
-
-#![allow(unused_imports)]
-// This briefly tests the capability of `Cell` and `RefCell` to implement the
-// `Encodable` and `Decodable` traits via `#[derive(Encodable, Decodable)]`
-#![feature(rustc_private)]
-
-extern crate rustc_macros;
-extern crate rustc_serialize;
-
-// Necessary to pull in object code as the rest of the rustc crates are shipped only as rmeta
-// files.
-#[allow(unused_extern_crates)]
-extern crate rustc_driver;
-
-use rustc_macros::{Decodable, Encodable};
-use rustc_serialize::opaque::{MemDecoder, MemEncoder};
-use rustc_serialize::{Decodable, Encodable, Encoder};
-use std::cell::{Cell, RefCell};
-
-#[derive(Encodable, Decodable)]
-struct A {
-    baz: isize,
-}
-
-#[derive(Encodable, Decodable)]
-struct B {
-    foo: Cell<bool>,
-    bar: RefCell<A>,
-}
-
-fn main() {
-    let obj = B { foo: Cell::new(true), bar: RefCell::new(A { baz: 2 }) };
-
-    let mut encoder = MemEncoder::new();
-    obj.encode(&mut encoder);
-    let data = encoder.finish();
-
-    let mut decoder = MemDecoder::new(&data, 0);
-    let obj2 = B::decode(&mut decoder);
-
-    assert_eq!(obj.foo.get(), obj2.foo.get());
-    assert_eq!(obj.bar.borrow().baz, obj2.bar.borrow().baz);
-}
diff --git a/tests/ui-fulldeps/issue-14021.rs b/tests/ui-fulldeps/issue-14021.rs
deleted file mode 100644
index 309b5c4a03d..00000000000
--- a/tests/ui-fulldeps/issue-14021.rs
+++ /dev/null
@@ -1,33 +0,0 @@
-// run-pass
-
-#![allow(unused_mut)]
-#![allow(unused_imports)]
-#![feature(rustc_private)]
-
-extern crate rustc_macros;
-extern crate rustc_serialize;
-
-// Necessary to pull in object code as the rest of the rustc crates are shipped only as rmeta
-// files.
-#[allow(unused_extern_crates)]
-extern crate rustc_driver;
-
-use rustc_macros::{Decodable, Encodable};
-use rustc_serialize::opaque::{MemDecoder, MemEncoder};
-use rustc_serialize::{Decodable, Encodable, Encoder};
-
-#[derive(Encodable, Decodable, PartialEq, Debug)]
-struct UnitLikeStruct;
-
-pub fn main() {
-    let obj = UnitLikeStruct;
-
-    let mut encoder = MemEncoder::new();
-    obj.encode(&mut encoder);
-    let data = encoder.finish();
-
-    let mut decoder = MemDecoder::new(&data, 0);
-    let obj2 = UnitLikeStruct::decode(&mut decoder);
-
-    assert_eq!(obj, obj2);
-}
diff --git a/tests/ui-fulldeps/session-diagnostic/diagnostic-derive-doc-comment-field.rs b/tests/ui-fulldeps/session-diagnostic/diagnostic-derive-doc-comment-field.rs
new file mode 100644
index 00000000000..642b58b0753
--- /dev/null
+++ b/tests/ui-fulldeps/session-diagnostic/diagnostic-derive-doc-comment-field.rs
@@ -0,0 +1,49 @@
+// check-fail
+// Tests that a doc comment will not preclude a field from being considered a diagnostic argument
+// normalize-stderr-test "the following other types implement trait `IntoDiagnosticArg`:(?:.*\n){0,9}\s+and \d+ others" -> "normalized in stderr"
+// normalize-stderr-test "diagnostic_builder\.rs:[0-9]+:[0-9]+" -> "diagnostic_builder.rs:LL:CC"
+
+// The proc_macro2 crate handles spans differently when on beta/stable release rather than nightly,
+// changing the output of this test. Since Subdiagnostic is strictly internal to the compiler
+// the test is just ignored on stable and beta:
+// ignore-stage1
+// ignore-beta
+// ignore-stable
+
+#![feature(rustc_private)]
+#![crate_type = "lib"]
+
+extern crate rustc_errors;
+extern crate rustc_fluent_macro;
+extern crate rustc_macros;
+extern crate rustc_session;
+extern crate rustc_span;
+
+use rustc_errors::{Applicability, DiagnosticMessage, SubdiagnosticMessage};
+use rustc_fluent_macro::fluent_messages;
+use rustc_macros::{Diagnostic, Subdiagnostic};
+use rustc_span::Span;
+
+fluent_messages! { "./example.ftl" }
+
+struct NotIntoDiagnosticArg;
+
+#[derive(Diagnostic)]
+#[diag(no_crate_example)]
+struct Test {
+    #[primary_span]
+    span: Span,
+    /// A doc comment
+    arg: NotIntoDiagnosticArg,
+    //~^ ERROR the trait bound `NotIntoDiagnosticArg: IntoDiagnosticArg` is not satisfied
+}
+
+#[derive(Subdiagnostic)]
+#[label(no_crate_example)]
+struct SubTest {
+    #[primary_span]
+    span: Span,
+    /// A doc comment
+    arg: NotIntoDiagnosticArg,
+    //~^ ERROR the trait bound `NotIntoDiagnosticArg: IntoDiagnosticArg` is not satisfied
+}
diff --git a/tests/ui-fulldeps/session-diagnostic/diagnostic-derive-doc-comment-field.stderr b/tests/ui-fulldeps/session-diagnostic/diagnostic-derive-doc-comment-field.stderr
new file mode 100644
index 00000000000..e4b8958b4fa
--- /dev/null
+++ b/tests/ui-fulldeps/session-diagnostic/diagnostic-derive-doc-comment-field.stderr
@@ -0,0 +1,30 @@
+error[E0277]: the trait bound `NotIntoDiagnosticArg: IntoDiagnosticArg` is not satisfied
+  --> $DIR/diagnostic-derive-doc-comment-field.rs:37:10
+   |
+LL | #[derive(Diagnostic)]
+   |          ---------- required by a bound introduced by this call
+...
+LL |     arg: NotIntoDiagnosticArg,
+   |          ^^^^^^^^^^^^^^^^^^^^ the trait `IntoDiagnosticArg` is not implemented for `NotIntoDiagnosticArg`
+   |
+   = help: normalized in stderr
+note: required by a bound in `DiagnosticBuilder::<'a, G>::set_arg`
+  --> $COMPILER_DIR/rustc_errors/src/diagnostic_builder.rs:LL:CC
+   = note: this error originates in the macro `forward` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error[E0277]: the trait bound `NotIntoDiagnosticArg: IntoDiagnosticArg` is not satisfied
+  --> $DIR/diagnostic-derive-doc-comment-field.rs:47:10
+   |
+LL | #[derive(Subdiagnostic)]
+   |          ------------- required by a bound introduced by this call
+...
+LL |     arg: NotIntoDiagnosticArg,
+   |          ^^^^^^^^^^^^^^^^^^^^ the trait `IntoDiagnosticArg` is not implemented for `NotIntoDiagnosticArg`
+   |
+   = help: normalized in stderr
+note: required by a bound in `Diagnostic::set_arg`
+  --> $COMPILER_DIR/rustc_errors/src/diagnostic.rs:964:5
+
+error: aborting due to 2 previous errors
+
+For more information about this error, try `rustc --explain E0277`.
diff --git a/tests/ui-fulldeps/session-diagnostic/diagnostic-derive.rs b/tests/ui-fulldeps/session-diagnostic/diagnostic-derive.rs
index 80ab03ab24c..39e34d73f9a 100644
--- a/tests/ui-fulldeps/session-diagnostic/diagnostic-derive.rs
+++ b/tests/ui-fulldeps/session-diagnostic/diagnostic-derive.rs
@@ -339,12 +339,12 @@ struct ErrorWithDefaultLabelAttr<'a> {
 }
 
 #[derive(Diagnostic)]
-//~^ ERROR the trait bound `Hello: IntoDiagnosticArg` is not satisfied
 #[diag(no_crate_example, code = "E0123")]
 struct ArgFieldWithoutSkip {
     #[primary_span]
     span: Span,
     other: Hello,
+    //~^ ERROR the trait bound `Hello: IntoDiagnosticArg` is not satisfied
 }
 
 #[derive(Diagnostic)]
diff --git a/tests/ui-fulldeps/session-diagnostic/diagnostic-derive.stderr b/tests/ui-fulldeps/session-diagnostic/diagnostic-derive.stderr
index 5e1bea4e38c..801e4b5793c 100644
--- a/tests/ui-fulldeps/session-diagnostic/diagnostic-derive.stderr
+++ b/tests/ui-fulldeps/session-diagnostic/diagnostic-derive.stderr
@@ -641,15 +641,18 @@ LL | #[derive(Diagnostic)]
    = note: this error originates in the derive macro `Diagnostic` (in Nightly builds, run with -Z macro-backtrace for more info)
 
 error[E0277]: the trait bound `Hello: IntoDiagnosticArg` is not satisfied
-  --> $DIR/diagnostic-derive.rs:341:10
+  --> $DIR/diagnostic-derive.rs:346:12
    |
 LL | #[derive(Diagnostic)]
-   |          ^^^^^^^^^^ the trait `IntoDiagnosticArg` is not implemented for `Hello`
+   |          ---------- required by a bound introduced by this call
+...
+LL |     other: Hello,
+   |            ^^^^^ the trait `IntoDiagnosticArg` is not implemented for `Hello`
    |
    = help: normalized in stderr
 note: required by a bound in `DiagnosticBuilder::<'a, G>::set_arg`
   --> $COMPILER_DIR/rustc_errors/src/diagnostic_builder.rs:LL:CC
-   = note: this error originates in the derive macro `Diagnostic` which comes from the expansion of the macro `forward` (in Nightly builds, run with -Z macro-backtrace for more info)
+   = note: this error originates in the macro `forward` (in Nightly builds, run with -Z macro-backtrace for more info)
 
 error: aborting due to 84 previous errors
 
diff --git a/tests/ui-fulldeps/stable-mir/crate-info.rs b/tests/ui-fulldeps/stable-mir/crate-info.rs
index 95f27efa771..a3db2e9ef24 100644
--- a/tests/ui-fulldeps/stable-mir/crate-info.rs
+++ b/tests/ui-fulldeps/stable-mir/crate-info.rs
@@ -40,6 +40,7 @@ fn test_stable_mir(tcx: TyCtxt<'_>) {
 
     let bar = get_item(tcx, &items, (DefKind::Fn, "bar")).unwrap();
     let body = bar.body();
+    assert_eq!(body.locals.len(), 2);
     assert_eq!(body.blocks.len(), 1);
     let block = &body.blocks[0];
     assert_eq!(block.statements.len(), 1);
@@ -54,12 +55,31 @@ fn test_stable_mir(tcx: TyCtxt<'_>) {
 
     let foo_bar = get_item(tcx, &items, (DefKind::Fn, "foo_bar")).unwrap();
     let body = foo_bar.body();
+    assert_eq!(body.locals.len(), 7);
     assert_eq!(body.blocks.len(), 4);
     let block = &body.blocks[0];
     match &block.terminator {
         stable_mir::mir::Terminator::Call { .. } => {}
         other => panic!("{other:?}"),
     }
+
+    let drop = get_item(tcx, &items, (DefKind::Fn, "drop")).unwrap();
+    let body = drop.body();
+    assert_eq!(body.blocks.len(), 2);
+    let block = &body.blocks[0];
+    match &block.terminator {
+        stable_mir::mir::Terminator::Drop { .. } => {}
+        other => panic!("{other:?}"),
+    }
+
+    let assert = get_item(tcx, &items, (DefKind::Fn, "assert")).unwrap();
+    let body = assert.body();
+    assert_eq!(body.blocks.len(), 2);
+    let block = &body.blocks[0];
+    match &block.terminator {
+        stable_mir::mir::Terminator::Assert { .. } => {}
+        other => panic!("{other:?}"),
+    }
 }
 
 // Use internal API to find a function in a crate.
@@ -105,7 +125,7 @@ impl Callbacks for SMirCalls {
         queries: &'tcx Queries<'tcx>,
     ) -> Compilation {
         queries.global_ctxt().unwrap().enter(|tcx| {
-            test_stable_mir(tcx);
+            rustc_smir::rustc_internal::run(tcx, || test_stable_mir(tcx));
         });
         // No need to keep going.
         Compilation::Stop
@@ -131,6 +151,12 @@ fn generate_input(path: &str) -> std::io::Result<()> {
         let x_64 = foo::bar(x);
         let y_64 = foo::bar(y);
         x_64.wrapping_add(y_64)
+    }}
+
+    pub fn drop(_: String) {{}}
+
+    pub fn assert(x: i32) -> i32 {{
+        x + 1
     }}"#
     )?;
     Ok(())
diff --git a/tests/ui/abi/stack-probes-lto.rs b/tests/ui/abi/stack-probes-lto.rs
index 039507d5104..0dccb633df9 100644
--- a/tests/ui/abi/stack-probes-lto.rs
+++ b/tests/ui/abi/stack-probes-lto.rs
@@ -5,6 +5,7 @@
 // ignore-mips64
 // ignore-sparc
 // ignore-sparc64
+// ignore-loongarch64
 // ignore-wasm
 // ignore-emscripten no processes
 // ignore-sgx no processes
diff --git a/tests/ui/abi/stack-probes.rs b/tests/ui/abi/stack-probes.rs
index 8dba54c3f81..8137c92304d 100644
--- a/tests/ui/abi/stack-probes.rs
+++ b/tests/ui/abi/stack-probes.rs
@@ -5,6 +5,7 @@
 // ignore-mips64
 // ignore-sparc
 // ignore-sparc64
+// ignore-loongarch64
 // ignore-wasm
 // ignore-emscripten no processes
 // ignore-sgx no processes
diff --git a/tests/ui/argument-suggestions/issue-97484.stderr b/tests/ui/argument-suggestions/issue-97484.stderr
index a86cbbf1802..082564fbc7f 100644
--- a/tests/ui/argument-suggestions/issue-97484.stderr
+++ b/tests/ui/argument-suggestions/issue-97484.stderr
@@ -16,7 +16,7 @@ LL | fn foo(a: &A, d: D, e: &E, g: G) {}
 help: consider borrowing here
    |
 LL |     foo(&&A, B, C, D, &E, F, G);
-   |                       ~~
+   |                       +
 help: remove the extra arguments
    |
 LL -     foo(&&A, B, C, D, E, F, G);
diff --git a/tests/ui/array-slice-vec/slice-mut-2.stderr b/tests/ui/array-slice-vec/slice-mut-2.stderr
index 5b040d3e4d3..c33919c41cd 100644
--- a/tests/ui/array-slice-vec/slice-mut-2.stderr
+++ b/tests/ui/array-slice-vec/slice-mut-2.stderr
@@ -7,7 +7,7 @@ LL |     let _ = &mut x[2..4];
 help: consider changing this to be a mutable reference
    |
 LL |     let x: &[isize] = &mut [1, 2, 3, 4, 5];
-   |                       ~~~~~~~~~~~~~~~~~~~~
+   |                        +++
 
 error: aborting due to previous error
 
diff --git a/tests/ui/associated-inherent-types/bugs/cycle-iat-inside-of-adt.rs b/tests/ui/associated-inherent-types/bugs/cycle-iat-inside-of-adt.rs
new file mode 100644
index 00000000000..f41574403d8
--- /dev/null
+++ b/tests/ui/associated-inherent-types/bugs/cycle-iat-inside-of-adt.rs
@@ -0,0 +1,10 @@
+// known-bug: #108491
+
+// FIXME(inherent_associated_types): This should pass.
+
+struct Foo {
+    bar: Self::Bar,
+}
+impl Foo {
+    pub type Bar = usize;
+}
diff --git a/tests/ui/associated-inherent-types/bugs/cycle-iat-inside-of-adt.stderr b/tests/ui/associated-inherent-types/bugs/cycle-iat-inside-of-adt.stderr
new file mode 100644
index 00000000000..f313c494671
--- /dev/null
+++ b/tests/ui/associated-inherent-types/bugs/cycle-iat-inside-of-adt.stderr
@@ -0,0 +1,49 @@
+error[E0601]: `main` function not found in crate `cycle_iat_inside_of_adt`
+  --> $DIR/cycle-iat-inside-of-adt.rs:10:2
+   |
+LL | }
+   |  ^ consider adding a `main` function to `$DIR/cycle-iat-inside-of-adt.rs`
+
+error[E0391]: cycle detected when computing predicates of `Foo`
+  --> $DIR/cycle-iat-inside-of-adt.rs:5:1
+   |
+LL | struct Foo {
+   | ^^^^^^^^^^
+   |
+note: ...which requires computing predicates of `Foo`...
+  --> $DIR/cycle-iat-inside-of-adt.rs:5:1
+   |
+LL | struct Foo {
+   | ^^^^^^^^^^
+note: ...which requires computing inferred outlives predicates of `Foo`...
+  --> $DIR/cycle-iat-inside-of-adt.rs:5:1
+   |
+LL | struct Foo {
+   | ^^^^^^^^^^
+   = note: ...which requires computing the inferred outlives predicates for items in this crate...
+note: ...which requires computing type of `Foo::bar`...
+  --> $DIR/cycle-iat-inside-of-adt.rs:6:5
+   |
+LL |     bar: Self::Bar,
+   |     ^^^^^^^^^^^^^^
+note: ...which requires computing normalized predicates of `Foo`...
+  --> $DIR/cycle-iat-inside-of-adt.rs:5:1
+   |
+LL | struct Foo {
+   | ^^^^^^^^^^
+   = note: ...which again requires computing predicates of `Foo`, completing the cycle
+note: cycle used when collecting item types in top-level module
+  --> $DIR/cycle-iat-inside-of-adt.rs:5:1
+   |
+LL | / struct Foo {
+LL | |     bar: Self::Bar,
+LL | | }
+LL | | impl Foo {
+LL | |     pub type Bar = usize;
+LL | | }
+   | |_^
+
+error: aborting due to 2 previous errors
+
+Some errors have detailed explanations: E0391, E0601.
+For more information about an error, try `rustc --explain E0391`.
diff --git a/tests/ui/associated-inherent-types/bugs/cycle-iat-inside-of-where-predicate.rs b/tests/ui/associated-inherent-types/bugs/cycle-iat-inside-of-where-predicate.rs
new file mode 100644
index 00000000000..0c2a38b1173
--- /dev/null
+++ b/tests/ui/associated-inherent-types/bugs/cycle-iat-inside-of-where-predicate.rs
@@ -0,0 +1,16 @@
+// known-bug: unknown
+
+#![feature(inherent_associated_types)]
+#![allow(incomplete_features)]
+
+// FIXME(inherent_associated_types): This shouldn't lead to a cycle error.
+
+fn user<T>() where S<T>::P: std::fmt::Debug {}
+
+struct S<T>;
+
+impl<T: Copy> S<T> {
+    type P = ();
+}
+
+fn main() {}
diff --git a/tests/ui/associated-inherent-types/bugs/cycle-iat-inside-of-where-predicate.stderr b/tests/ui/associated-inherent-types/bugs/cycle-iat-inside-of-where-predicate.stderr
new file mode 100644
index 00000000000..aaa9a39ea0f
--- /dev/null
+++ b/tests/ui/associated-inherent-types/bugs/cycle-iat-inside-of-where-predicate.stderr
@@ -0,0 +1,37 @@
+error[E0391]: cycle detected when computing predicates of `user`
+  --> $DIR/cycle-iat-inside-of-where-predicate.rs:8:1
+   |
+LL | fn user<T>() where S<T>::P: std::fmt::Debug {}
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+note: ...which requires computing predicates of `user`...
+  --> $DIR/cycle-iat-inside-of-where-predicate.rs:8:1
+   |
+LL | fn user<T>() where S<T>::P: std::fmt::Debug {}
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+note: ...which requires computing explicit predicates of `user`...
+  --> $DIR/cycle-iat-inside-of-where-predicate.rs:8:1
+   |
+LL | fn user<T>() where S<T>::P: std::fmt::Debug {}
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+note: ...which requires computing normalized predicates of `user`...
+  --> $DIR/cycle-iat-inside-of-where-predicate.rs:8:1
+   |
+LL | fn user<T>() where S<T>::P: std::fmt::Debug {}
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   = note: ...which again requires computing predicates of `user`, completing the cycle
+note: cycle used when collecting item types in top-level module
+  --> $DIR/cycle-iat-inside-of-where-predicate.rs:3:1
+   |
+LL | / #![feature(inherent_associated_types)]
+LL | | #![allow(incomplete_features)]
+LL | |
+LL | | // FIXME(inherent_associated_types): This shouldn't lead to a cycle error.
+...  |
+LL | |
+LL | | fn main() {}
+   | |____________^
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0391`.
diff --git a/tests/ui/associated-inherent-types/bugs/ice-substitution.rs b/tests/ui/associated-inherent-types/bugs/ice-substitution.rs
deleted file mode 100644
index 53ac79e0561..00000000000
--- a/tests/ui/associated-inherent-types/bugs/ice-substitution.rs
+++ /dev/null
@@ -1,23 +0,0 @@
-// known-bug: unknown
-// failure-status: 101
-// normalize-stderr-test "note: .*\n\n" -> ""
-// normalize-stderr-test "thread 'rustc' panicked.*\n" -> ""
-// rustc-env:RUST_BACKTRACE=0
-
-// FIXME: I presume a type variable that couldn't be solved by `resolve_vars_if_possible`
-//        escapes the InferCtxt snapshot.
-
-#![feature(inherent_associated_types)]
-#![allow(incomplete_features)]
-
-struct Cont<T>(T);
-
-impl<T: Copy> Cont<T> {
-    type Out = Vec<T>;
-}
-
-pub fn weird<T: Copy>(x: T) {
-    let _: Cont<_>::Out = vec![true];
-}
-
-fn main() {}
diff --git a/tests/ui/associated-inherent-types/bugs/ice-substitution.stderr b/tests/ui/associated-inherent-types/bugs/ice-substitution.stderr
deleted file mode 100644
index 1648cfb266b..00000000000
--- a/tests/ui/associated-inherent-types/bugs/ice-substitution.stderr
+++ /dev/null
@@ -1,6 +0,0 @@
-error: the compiler unexpectedly panicked. this is a bug.
-
-query stack during panic:
-#0 [typeck] type-checking `weird`
-#1 [used_trait_imports] finding used_trait_imports `weird`
-end of query stack
diff --git a/tests/ui/associated-inherent-types/bugs/inference-fail.rs b/tests/ui/associated-inherent-types/bugs/inference-fail.rs
deleted file mode 100644
index a920b412b1a..00000000000
--- a/tests/ui/associated-inherent-types/bugs/inference-fail.rs
+++ /dev/null
@@ -1,15 +0,0 @@
-// known-bug: unknown
-
-#![feature(inherent_associated_types)]
-#![allow(incomplete_features)]
-
-struct S<T>(T);
-
-impl S<()> {
-    type P = i128;
-}
-
-fn main() {
-    // We fail to infer `_ == ()` here.
-    let _: S<_>::P;
-}
diff --git a/tests/ui/associated-inherent-types/bugs/lack-of-regionck.rs b/tests/ui/associated-inherent-types/bugs/lack-of-regionck.rs
deleted file mode 100644
index 632dbf3854b..00000000000
--- a/tests/ui/associated-inherent-types/bugs/lack-of-regionck.rs
+++ /dev/null
@@ -1,19 +0,0 @@
-// known-bug: unknown
-// check-pass
-
-// We currently don't region-check inherent associated type projections at all.
-
-#![feature(inherent_associated_types)]
-#![allow(incomplete_features, dead_code)]
-
-struct S<T>(T);
-
-impl S<&'static ()> {
-    type T = ();
-}
-
-fn usr<'a>() {
-    let _: S::<&'a ()>::T; // this should *fail* but it doesn't!
-}
-
-fn main() {}
diff --git a/tests/ui/associated-inherent-types/bugs/wf-check-skipped.rs b/tests/ui/associated-inherent-types/bugs/wf-check-skipped.rs
new file mode 100644
index 00000000000..c7f66e645bb
--- /dev/null
+++ b/tests/ui/associated-inherent-types/bugs/wf-check-skipped.rs
@@ -0,0 +1,15 @@
+// known-bug: #100041
+// check-pass
+
+#![feature(inherent_associated_types)]
+#![allow(incomplete_features)]
+
+// FIXME(inherent_associated_types): This should fail.
+
+struct Foo;
+
+impl Foo {
+    type Bar<T> = ();
+}
+
+fn main() -> Foo::Bar::<Vec<[u32]>> {}
diff --git a/tests/ui/associated-inherent-types/dispatch-on-self-type-0.rs b/tests/ui/associated-inherent-types/dispatch-on-self-type-0.rs
index f846bfa4168..83be4f43b5e 100644
--- a/tests/ui/associated-inherent-types/dispatch-on-self-type-0.rs
+++ b/tests/ui/associated-inherent-types/dispatch-on-self-type-0.rs
@@ -31,7 +31,7 @@ fn main() {
     let _: Select<u8>::Projection = ();
 
     let _: Choose<NonCopy>::Result = ();
-    let _: Choose<bool>::Result = vec![true];
+    let _: Choose<&str>::Result = vec!["…"]; // regression test for issue #108957
 }
 
 // Test if we use the correct `ParamEnv` when proving obligations.
diff --git a/tests/ui/associated-inherent-types/former-subst-ice.rs b/tests/ui/associated-inherent-types/former-subst-ice.rs
new file mode 100644
index 00000000000..48390b9430b
--- /dev/null
+++ b/tests/ui/associated-inherent-types/former-subst-ice.rs
@@ -0,0 +1,16 @@
+// check-pass
+
+#![feature(inherent_associated_types)]
+#![allow(incomplete_features)]
+
+struct Cont<T>(T);
+
+impl<T: Copy> Cont<T> {
+    type Out = Vec<T>;
+}
+
+pub fn weird<T: Copy>(x: T) {
+    let _: Cont<_>::Out = vec![true];
+}
+
+fn main() {}
diff --git a/tests/ui/associated-inherent-types/generic-associated-types-bad.item.stderr b/tests/ui/associated-inherent-types/generic-associated-types-bad.item.stderr
new file mode 100644
index 00000000000..464b59c249f
--- /dev/null
+++ b/tests/ui/associated-inherent-types/generic-associated-types-bad.item.stderr
@@ -0,0 +1,15 @@
+error[E0277]: the trait bound `String: Copy` is not satisfied
+  --> $DIR/generic-associated-types-bad.rs:16:10
+   |
+LL | const _: Ty::Pr<String> = String::new();
+   |          ^^^^^^^^^^^^^^ the trait `Copy` is not implemented for `String`
+   |
+note: required by a bound in `Ty::Pr`
+  --> $DIR/generic-associated-types-bad.rs:10:16
+   |
+LL |     type Pr<T: Copy> = T;
+   |                ^^^^ required by this bound in `Ty::Pr`
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0277`.
diff --git a/tests/ui/associated-inherent-types/generic-associated-types-bad.local.stderr b/tests/ui/associated-inherent-types/generic-associated-types-bad.local.stderr
new file mode 100644
index 00000000000..4f371b24e80
--- /dev/null
+++ b/tests/ui/associated-inherent-types/generic-associated-types-bad.local.stderr
@@ -0,0 +1,15 @@
+error[E0277]: the trait bound `Vec<()>: Copy` is not satisfied
+  --> $DIR/generic-associated-types-bad.rs:20:12
+   |
+LL |     let _: Ty::Pr<Vec<()>>;
+   |            ^^^^^^^^^^^^^^^ the trait `Copy` is not implemented for `Vec<()>`
+   |
+note: required by a bound in `Ty::Pr`
+  --> $DIR/generic-associated-types-bad.rs:10:16
+   |
+LL |     type Pr<T: Copy> = T;
+   |                ^^^^ required by this bound in `Ty::Pr`
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0277`.
diff --git a/tests/ui/associated-inherent-types/generic-associated-types-bad.region.stderr b/tests/ui/associated-inherent-types/generic-associated-types-bad.region.stderr
new file mode 100644
index 00000000000..74ec39424ed
--- /dev/null
+++ b/tests/ui/associated-inherent-types/generic-associated-types-bad.region.stderr
@@ -0,0 +1,11 @@
+error: lifetime may not live long enough
+  --> $DIR/generic-associated-types-bad.rs:25:12
+   |
+LL | fn user<'a>() {
+   |         -- lifetime `'a` defined here
+LL |     #[cfg(region)]
+LL |     let _: Ty::Static<&'a str> = "";
+   |            ^^^^^^^^^^^^^^^^^^^ requires that `'a` must outlive `'static`
+
+error: aborting due to previous error
+
diff --git a/tests/ui/associated-inherent-types/generic-associated-types-bad.rs b/tests/ui/associated-inherent-types/generic-associated-types-bad.rs
new file mode 100644
index 00000000000..e66392a0a94
--- /dev/null
+++ b/tests/ui/associated-inherent-types/generic-associated-types-bad.rs
@@ -0,0 +1,26 @@
+// revisions: item local region
+
+#![feature(inherent_associated_types)]
+#![allow(incomplete_features)]
+
+#[derive(Clone, Copy)]
+pub enum Ty {}
+
+impl Ty {
+    type Pr<T: Copy> = T;
+
+    type Static<Q: 'static> = Q;
+}
+
+#[cfg(item)]
+const _: Ty::Pr<String> = String::new(); //[item]~ the trait bound `String: Copy` is not satisfied
+
+fn main() {
+    #[cfg(local)]
+    let _: Ty::Pr<Vec<()>>; //[local]~ ERROR the trait bound `Vec<()>: Copy` is not satisfied
+}
+
+fn user<'a>() {
+    #[cfg(region)]
+    let _: Ty::Static<&'a str> = ""; //[region]~ ERROR lifetime may not live long enough
+}
diff --git a/tests/ui/associated-inherent-types/inference-fail.rs b/tests/ui/associated-inherent-types/inference-fail.rs
new file mode 100644
index 00000000000..939a4ff60f2
--- /dev/null
+++ b/tests/ui/associated-inherent-types/inference-fail.rs
@@ -0,0 +1,11 @@
+#![feature(inherent_associated_types)]
+#![allow(incomplete_features)]
+
+struct S<T>(T);
+
+impl<T> S<T> { type P = (); }
+
+fn main() {
+    // There is no way to infer this type.
+    let _: S<_>::P = (); //~ ERROR type annotations needed
+}
diff --git a/tests/ui/associated-inherent-types/bugs/inference-fail.stderr b/tests/ui/associated-inherent-types/inference-fail.stderr
index 425691bd6c4..f29144e4aa7 100644
--- a/tests/ui/associated-inherent-types/bugs/inference-fail.stderr
+++ b/tests/ui/associated-inherent-types/inference-fail.stderr
@@ -1,8 +1,8 @@
 error[E0282]: type annotations needed
-  --> $DIR/inference-fail.rs:14:14
+  --> $DIR/inference-fail.rs:10:12
    |
-LL |     let _: S<_>::P;
-   |              ^ cannot infer type
+LL |     let _: S<_>::P = ();
+   |            ^^^^^^^ cannot infer type for type parameter `T`
 
 error: aborting due to previous error
 
diff --git a/tests/ui/associated-inherent-types/inference.rs b/tests/ui/associated-inherent-types/inference.rs
new file mode 100644
index 00000000000..7d6d26003f6
--- /dev/null
+++ b/tests/ui/associated-inherent-types/inference.rs
@@ -0,0 +1,40 @@
+// Testing inference capabilities.
+// check-pass
+
+#![feature(inherent_associated_types)]
+#![allow(incomplete_features)]
+#![allow(drop_copy)]
+
+use std::convert::identity;
+
+struct Container<T>(T);
+
+impl Container<u32> {
+    type Sink = ();
+}
+
+impl<Any> Container<Any> {
+    type Thing = Any;
+}
+
+impl<T> Container<(T, ())> {
+    type Output = ((), Wrapped<T>);
+}
+
+fn main() {
+    // Inferred via the Self type of the impl.
+    let _: Container<_>::Sink;
+
+    // Inferred via the RHS:
+
+    let _: Container<_>::Thing = 0;
+
+    let _: Container<Wrapped<_>>::Thing = Wrapped(false);
+
+    let _: Container<_>::Output = (drop(1), Wrapped("..."));
+
+    let binding: Container<_>::Thing = Default::default(); // unsolved at this point
+    identity::<String>(binding); // constrained and solved here
+}
+
+struct Wrapped<T>(T);
diff --git a/tests/ui/associated-inherent-types/issue-109768.rs b/tests/ui/associated-inherent-types/issue-109768.rs
new file mode 100644
index 00000000000..a3ae2e2ab44
--- /dev/null
+++ b/tests/ui/associated-inherent-types/issue-109768.rs
@@ -0,0 +1,12 @@
+// incremental
+
+struct Wrapper<T>(T);
+
+struct Local<T, U>(T, U);
+
+impl<T> Local { //~ ERROR missing generics for struct `Local`
+    type AssocType3 = T; //~ ERROR inherent associated types are unstable
+
+    const WRAPPED_ASSOC_3: Wrapper<Self::AssocType3> = Wrapper();
+}
+//~^ ERROR `main` function not found
diff --git a/tests/ui/associated-inherent-types/issue-109768.stderr b/tests/ui/associated-inherent-types/issue-109768.stderr
new file mode 100644
index 00000000000..97706d4062a
--- /dev/null
+++ b/tests/ui/associated-inherent-types/issue-109768.stderr
@@ -0,0 +1,35 @@
+error[E0601]: `main` function not found in crate `issue_109768`
+  --> $DIR/issue-109768.rs:11:2
+   |
+LL | }
+   |  ^ consider adding a `main` function to `$DIR/issue-109768.rs`
+
+error[E0107]: missing generics for struct `Local`
+  --> $DIR/issue-109768.rs:7:9
+   |
+LL | impl<T> Local {
+   |         ^^^^^ expected 2 generic arguments
+   |
+note: struct defined here, with 2 generic parameters: `T`, `U`
+  --> $DIR/issue-109768.rs:5:8
+   |
+LL | struct Local<T, U>(T, U);
+   |        ^^^^^ -  -
+help: add missing generic arguments
+   |
+LL | impl<T> Local<T, U> {
+   |              ++++++
+
+error[E0658]: inherent associated types are unstable
+  --> $DIR/issue-109768.rs:8:5
+   |
+LL |     type AssocType3 = T;
+   |     ^^^^^^^^^^^^^^^^^^^^
+   |
+   = note: see issue #8995 <https://github.com/rust-lang/rust/issues/8995> for more information
+   = help: add `#![feature(inherent_associated_types)]` to the crate attributes to enable
+
+error: aborting due to 3 previous errors
+
+Some errors have detailed explanations: E0107, E0601, E0658.
+For more information about an error, try `rustc --explain E0107`.
diff --git a/tests/ui/associated-inherent-types/issue-109789.rs b/tests/ui/associated-inherent-types/issue-109789.rs
new file mode 100644
index 00000000000..0b5ba7d1fb5
--- /dev/null
+++ b/tests/ui/associated-inherent-types/issue-109789.rs
@@ -0,0 +1,22 @@
+#![feature(inherent_associated_types)]
+#![allow(incomplete_features)]
+
+struct Foo<T>(T);
+
+impl Foo<fn(&'static ())> {
+    type Assoc = u32;
+}
+
+trait Other {}
+impl Other for u32 {}
+
+// FIXME(inherent_associated_types): Avoid emitting two diagnostics (they only differ in span).
+// FIXME(inherent_associated_types): Enhancement: Spruce up the diagnostic by saying something like
+// "implementation is not general enough" as is done for traits via
+// `try_report_trait_placeholder_mismatch`.
+
+fn bar(_: Foo<for<'a> fn(&'a ())>::Assoc) {}
+//~^ ERROR mismatched types
+//~| ERROR mismatched types
+
+fn main() {}
diff --git a/tests/ui/associated-inherent-types/issue-109789.stderr b/tests/ui/associated-inherent-types/issue-109789.stderr
new file mode 100644
index 00000000000..7af338274a1
--- /dev/null
+++ b/tests/ui/associated-inherent-types/issue-109789.stderr
@@ -0,0 +1,21 @@
+error[E0308]: mismatched types
+  --> $DIR/issue-109789.rs:18:1
+   |
+LL | fn bar(_: Foo<for<'a> fn(&'a ())>::Assoc) {}
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ one type is more general than the other
+   |
+   = note: expected struct `Foo<fn(&'static ())>`
+              found struct `Foo<for<'a> fn(&'a ())>`
+
+error[E0308]: mismatched types
+  --> $DIR/issue-109789.rs:18:11
+   |
+LL | fn bar(_: Foo<for<'a> fn(&'a ())>::Assoc) {}
+   |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ one type is more general than the other
+   |
+   = note: expected struct `Foo<fn(&'static ())>`
+              found struct `Foo<for<'a> fn(&'a ())>`
+
+error: aborting due to 2 previous errors
+
+For more information about this error, try `rustc --explain E0308`.
diff --git a/tests/ui/associated-inherent-types/issue-109790.rs b/tests/ui/associated-inherent-types/issue-109790.rs
new file mode 100644
index 00000000000..88327f86423
--- /dev/null
+++ b/tests/ui/associated-inherent-types/issue-109790.rs
@@ -0,0 +1,18 @@
+// check-pass
+
+#![feature(inherent_associated_types)]
+#![allow(incomplete_features)]
+#![deny(single_use_lifetimes)]
+
+struct Foo<T>(T);
+
+impl<'a> Foo<fn(&'a ())> {
+    type Assoc = &'a ();
+}
+
+trait Other {}
+impl Other for u32 {}
+
+fn bar(_: for<'a> fn(Foo<fn(&'a ())>::Assoc)) {}
+
+fn main() {}
diff --git a/tests/ui/associated-inherent-types/late-bound-regions.rs b/tests/ui/associated-inherent-types/late-bound-regions.rs
new file mode 100644
index 00000000000..488a2cda649
--- /dev/null
+++ b/tests/ui/associated-inherent-types/late-bound-regions.rs
@@ -0,0 +1,25 @@
+#![feature(inherent_associated_types)]
+#![allow(incomplete_features)]
+
+// Test if we correctly normalize `S<'a>::P` with respect to late-bound regions.
+
+type Function = for<'a> fn(&'a i32) -> S<'a>::P;
+
+struct S<'a>(&'a ());
+
+trait Inter {
+    type P;
+}
+
+impl<'a> S<'a> {
+    type P = &'a i32;
+}
+
+fn ret_ref_local<'e>() -> &'e i32 {
+    let f: Function = |x| x;
+
+    let local = 0;
+    f(&local) //~ ERROR cannot return value referencing local variable `local`
+}
+
+fn main() {}
diff --git a/tests/ui/associated-inherent-types/late-bound-regions.stderr b/tests/ui/associated-inherent-types/late-bound-regions.stderr
new file mode 100644
index 00000000000..4706fcca91d
--- /dev/null
+++ b/tests/ui/associated-inherent-types/late-bound-regions.stderr
@@ -0,0 +1,12 @@
+error[E0515]: cannot return value referencing local variable `local`
+  --> $DIR/late-bound-regions.rs:22:5
+   |
+LL |     f(&local)
+   |     ^^------^
+   |     | |
+   |     | `local` is borrowed here
+   |     returns a value referencing data owned by the current function
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0515`.
diff --git a/tests/ui/associated-inherent-types/normalization-overflow.rs b/tests/ui/associated-inherent-types/normalization-overflow.rs
new file mode 100644
index 00000000000..4228238aa7b
--- /dev/null
+++ b/tests/ui/associated-inherent-types/normalization-overflow.rs
@@ -0,0 +1,12 @@
+#![feature(inherent_associated_types)]
+#![allow(incomplete_features)]
+
+// FIXME(fmease): I'd prefer to report a cycle error here instead of an overflow one.
+
+struct T;
+
+impl T {
+    type This = Self::This; //~ ERROR overflow evaluating associated type `T::This`
+}
+
+fn main() {}
diff --git a/tests/ui/associated-inherent-types/normalization-overflow.stderr b/tests/ui/associated-inherent-types/normalization-overflow.stderr
new file mode 100644
index 00000000000..16bb64281e3
--- /dev/null
+++ b/tests/ui/associated-inherent-types/normalization-overflow.stderr
@@ -0,0 +1,8 @@
+error: overflow evaluating associated type `T::This`
+  --> $DIR/normalization-overflow.rs:9:17
+   |
+LL |     type This = Self::This;
+   |                 ^^^^^^^^^^
+
+error: aborting due to previous error
+
diff --git a/tests/ui/associated-inherent-types/private-in-public.rs b/tests/ui/associated-inherent-types/private-in-public.rs
new file mode 100644
index 00000000000..a4b372537c7
--- /dev/null
+++ b/tests/ui/associated-inherent-types/private-in-public.rs
@@ -0,0 +1,26 @@
+#![feature(inherent_associated_types)]
+#![allow(incomplete_features)]
+#![crate_type = "lib"]
+
+#![deny(private_in_public)]
+
+pub type PubAlias0 = PubTy::PrivAssocTy;
+//~^ ERROR private associated type `PubTy::PrivAssocTy` in public interface (error E0446)
+//~| WARNING this was previously accepted
+pub type PubAlias1 = PrivTy::PubAssocTy;
+//~^ ERROR private type `PrivTy` in public interface (error E0446)
+//~| WARNING this was previously accepted
+pub type PubAlias2 = PubTy::PubAssocTy<PrivTy>;
+//~^ ERROR private type `PrivTy` in public interface (error E0446)
+//~| WARNING this was previously accepted
+
+pub struct PubTy;
+impl PubTy {
+    type PrivAssocTy = ();
+    pub type PubAssocTy<T> = T;
+}
+
+struct PrivTy;
+impl PrivTy {
+    pub type PubAssocTy = ();
+}
diff --git a/tests/ui/associated-inherent-types/private-in-public.stderr b/tests/ui/associated-inherent-types/private-in-public.stderr
new file mode 100644
index 00000000000..f0a64e96179
--- /dev/null
+++ b/tests/ui/associated-inherent-types/private-in-public.stderr
@@ -0,0 +1,34 @@
+error: private associated type `PubTy::PrivAssocTy` in public interface (error E0446)
+  --> $DIR/private-in-public.rs:7:1
+   |
+LL | pub type PubAlias0 = PubTy::PrivAssocTy;
+   | ^^^^^^^^^^^^^^^^^^
+   |
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
+note: the lint level is defined here
+  --> $DIR/private-in-public.rs:5:9
+   |
+LL | #![deny(private_in_public)]
+   |         ^^^^^^^^^^^^^^^^^
+
+error: private type `PrivTy` in public interface (error E0446)
+  --> $DIR/private-in-public.rs:10:1
+   |
+LL | pub type PubAlias1 = PrivTy::PubAssocTy;
+   | ^^^^^^^^^^^^^^^^^^
+   |
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
+
+error: private type `PrivTy` in public interface (error E0446)
+  --> $DIR/private-in-public.rs:13:1
+   |
+LL | pub type PubAlias2 = PubTy::PubAssocTy<PrivTy>;
+   | ^^^^^^^^^^^^^^^^^^
+   |
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
+
+error: aborting due to 3 previous errors
+
diff --git a/tests/ui/associated-inherent-types/regionck-0.rs b/tests/ui/associated-inherent-types/regionck-0.rs
new file mode 100644
index 00000000000..7c94539ace1
--- /dev/null
+++ b/tests/ui/associated-inherent-types/regionck-0.rs
@@ -0,0 +1,14 @@
+#![feature(inherent_associated_types)]
+#![allow(incomplete_features)]
+
+struct S<T>(T);
+
+impl S<&'static ()> {
+    type T = ();
+}
+
+fn user<'a>() {
+    let _: S::<&'a ()>::T; //~ ERROR lifetime may not live long enough
+}
+
+fn main() {}
diff --git a/tests/ui/associated-inherent-types/regionck-0.stderr b/tests/ui/associated-inherent-types/regionck-0.stderr
new file mode 100644
index 00000000000..3a438ee630e
--- /dev/null
+++ b/tests/ui/associated-inherent-types/regionck-0.stderr
@@ -0,0 +1,10 @@
+error: lifetime may not live long enough
+  --> $DIR/regionck-0.rs:11:12
+   |
+LL | fn user<'a>() {
+   |         -- lifetime `'a` defined here
+LL |     let _: S::<&'a ()>::T;
+   |            ^^^^^^^^^^^^^^ requires that `'a` must outlive `'static`
+
+error: aborting due to previous error
+
diff --git a/tests/ui/associated-inherent-types/regionck-1.rs b/tests/ui/associated-inherent-types/regionck-1.rs
new file mode 100644
index 00000000000..ec663cd0f77
--- /dev/null
+++ b/tests/ui/associated-inherent-types/regionck-1.rs
@@ -0,0 +1,13 @@
+#![feature(inherent_associated_types)]
+#![allow(incomplete_features)]
+
+struct U;
+
+impl U {
+    // Don't imply any bounds here.
+
+    type NoTyOutliv<'a, T> = &'a T; //~ ERROR the parameter type `T` may not live long enough
+    type NoReOutliv<'a, 'b> = &'a &'b (); //~ ERROR reference has a longer lifetime than the data it references
+}
+
+fn main() {}
diff --git a/tests/ui/associated-inherent-types/regionck-1.stderr b/tests/ui/associated-inherent-types/regionck-1.stderr
new file mode 100644
index 00000000000..b17d89ca306
--- /dev/null
+++ b/tests/ui/associated-inherent-types/regionck-1.stderr
@@ -0,0 +1,29 @@
+error[E0309]: the parameter type `T` may not live long enough
+  --> $DIR/regionck-1.rs:9:30
+   |
+LL |     type NoTyOutliv<'a, T> = &'a T;
+   |                              ^^^^^- help: consider adding a where clause: `where T: 'a`
+   |                              |
+   |                              ...so that the reference type `&'a T` does not outlive the data it points at
+
+error[E0491]: in type `&'a &'b ()`, reference has a longer lifetime than the data it references
+  --> $DIR/regionck-1.rs:10:31
+   |
+LL |     type NoReOutliv<'a, 'b> = &'a &'b ();
+   |                               ^^^^^^^^^^
+   |
+note: the pointer is valid for the lifetime `'a` as defined here
+  --> $DIR/regionck-1.rs:10:21
+   |
+LL |     type NoReOutliv<'a, 'b> = &'a &'b ();
+   |                     ^^
+note: but the referenced data is only valid for the lifetime `'b` as defined here
+  --> $DIR/regionck-1.rs:10:25
+   |
+LL |     type NoReOutliv<'a, 'b> = &'a &'b ();
+   |                         ^^
+
+error: aborting due to 2 previous errors
+
+Some errors have detailed explanations: E0309, E0491.
+For more information about an error, try `rustc --explain E0309`.
diff --git a/tests/ui/associated-inherent-types/regionck-2.rs b/tests/ui/associated-inherent-types/regionck-2.rs
new file mode 100644
index 00000000000..7a0b8b08300
--- /dev/null
+++ b/tests/ui/associated-inherent-types/regionck-2.rs
@@ -0,0 +1,14 @@
+// Regression test for issue #109299.
+
+#![feature(inherent_associated_types)]
+#![allow(incomplete_features)]
+
+struct Lexer<'d>(&'d ());
+
+impl Lexer<'static> {
+    type Cursor = ();
+}
+
+fn test(_: Lexer::Cursor) {} //~ ERROR mismatched types
+
+fn main() {}
diff --git a/tests/ui/associated-inherent-types/regionck-2.stderr b/tests/ui/associated-inherent-types/regionck-2.stderr
new file mode 100644
index 00000000000..b0a4ed35d56
--- /dev/null
+++ b/tests/ui/associated-inherent-types/regionck-2.stderr
@@ -0,0 +1,18 @@
+error[E0308]: mismatched types
+  --> $DIR/regionck-2.rs:12:12
+   |
+LL | fn test(_: Lexer::Cursor) {}
+   |            ^^^^^^^^^^^^^ lifetime mismatch
+   |
+   = note: expected struct `Lexer<'static>`
+              found struct `Lexer<'_>`
+note: the anonymous lifetime defined here...
+  --> $DIR/regionck-2.rs:12:12
+   |
+LL | fn test(_: Lexer::Cursor) {}
+   |            ^^^^^
+   = note: ...does not necessarily outlive the static lifetime
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0308`.
diff --git a/tests/ui/associated-inherent-types/type-alias-bounds-are-enforced.rs b/tests/ui/associated-inherent-types/type-alias-bounds-are-enforced.rs
new file mode 100644
index 00000000000..b32b4288ac9
--- /dev/null
+++ b/tests/ui/associated-inherent-types/type-alias-bounds-are-enforced.rs
@@ -0,0 +1,26 @@
+// check-pass
+// compile-flags: --crate-type=lib
+
+#![feature(inherent_associated_types)]
+#![allow(incomplete_features)]
+
+// Bounds on the self type play a major role in the resolution of inherent associated types (*).
+// As a result of that, if a type alias contains any then its bounds have to be respected and the
+// lint `type_alias_bounds` should not fire.
+//
+// FIXME(inherent_associated_types): In the current implementation that is. We might move the
+// selection phase of IATs from hir_typeck to trait_selection resulting in us not requiring the
+// ParamEnv that early allowing us to ignore bounds on type aliases again.
+// Triage this before stabilization.
+
+#![deny(type_alias_bounds)]
+
+pub type Alias<T: Bound> = (Source<T>::Assoc,);
+
+
+pub struct Source<T>(T);
+pub trait Bound {}
+
+impl<T: Bound> Source<T> {
+    pub type Assoc = ();
+}
diff --git a/tests/ui/associated-inherent-types/unsatisfied-bounds-inferred-type.rs b/tests/ui/associated-inherent-types/unsatisfied-bounds-inferred-type.rs
new file mode 100644
index 00000000000..d081c4d5b78
--- /dev/null
+++ b/tests/ui/associated-inherent-types/unsatisfied-bounds-inferred-type.rs
@@ -0,0 +1,12 @@
+#![feature(inherent_associated_types)]
+#![allow(incomplete_features)]
+
+struct S<T>(T);
+
+impl<T: Copy> S<T> {
+    type T = T;
+}
+
+fn main() {
+    let _: S<_>::T = String::new(); //~ ERROR the trait bound `String: Copy` is not satisfied
+}
diff --git a/tests/ui/associated-inherent-types/unsatisfied-bounds-inferred-type.stderr b/tests/ui/associated-inherent-types/unsatisfied-bounds-inferred-type.stderr
new file mode 100644
index 00000000000..ecf30f4cdec
--- /dev/null
+++ b/tests/ui/associated-inherent-types/unsatisfied-bounds-inferred-type.stderr
@@ -0,0 +1,17 @@
+error[E0277]: the trait bound `String: Copy` is not satisfied
+  --> $DIR/unsatisfied-bounds-inferred-type.rs:11:12
+   |
+LL |     let _: S<_>::T = String::new();
+   |            ^^^^^^^ the trait `Copy` is not implemented for `String`
+   |
+note: required by a bound in `S<T>::T`
+  --> $DIR/unsatisfied-bounds-inferred-type.rs:6:9
+   |
+LL | impl<T: Copy> S<T> {
+   |         ^^^^ required by this bound in `S<T>::T`
+LL |     type T = T;
+   |          - required by a bound in this associated type
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0277`.
diff --git a/tests/ui/associated-inherent-types/unsatisfied-bounds-where-clause-on-assoc-ty.rs b/tests/ui/associated-inherent-types/unsatisfied-bounds-where-clause-on-assoc-ty.rs
new file mode 100644
index 00000000000..97bd2c42160
--- /dev/null
+++ b/tests/ui/associated-inherent-types/unsatisfied-bounds-where-clause-on-assoc-ty.rs
@@ -0,0 +1,14 @@
+#![feature(inherent_associated_types)]
+#![allow(incomplete_features)]
+
+struct S<T>(T);
+
+impl<T> S<T> {
+    type X = ()
+    where
+        T: Copy;
+}
+
+fn main() {
+    let _: S::<String>::X; //~ ERROR the trait bound `String: Copy` is not satisfied
+}
diff --git a/tests/ui/associated-inherent-types/unsatisfied-bounds-where-clause-on-assoc-ty.stderr b/tests/ui/associated-inherent-types/unsatisfied-bounds-where-clause-on-assoc-ty.stderr
new file mode 100644
index 00000000000..d4968cd05dc
--- /dev/null
+++ b/tests/ui/associated-inherent-types/unsatisfied-bounds-where-clause-on-assoc-ty.stderr
@@ -0,0 +1,18 @@
+error[E0277]: the trait bound `String: Copy` is not satisfied
+  --> $DIR/unsatisfied-bounds-where-clause-on-assoc-ty.rs:13:12
+   |
+LL |     let _: S::<String>::X;
+   |            ^^^^^^^^^^^^^^ the trait `Copy` is not implemented for `String`
+   |
+note: required by a bound in `S<T>::X`
+  --> $DIR/unsatisfied-bounds-where-clause-on-assoc-ty.rs:9:12
+   |
+LL |     type X = ()
+   |          - required by a bound in this associated type
+LL |     where
+LL |         T: Copy;
+   |            ^^^^ required by this bound in `S<T>::X`
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0277`.
diff --git a/tests/ui/associated-type-bounds/duplicate.rs b/tests/ui/associated-type-bounds/duplicate.rs
index f67410986e5..4b8bf52c374 100644
--- a/tests/ui/associated-type-bounds/duplicate.rs
+++ b/tests/ui/associated-type-bounds/duplicate.rs
@@ -193,10 +193,13 @@ trait TRI3<T: Iterator<Item: 'static, Item: 'static>> {}
 //~^ ERROR the value of the associated type `Item` (from trait `Iterator`) is already specified [E0719]
 trait TRS1: Iterator<Item: Copy, Item: Send> {}
 //~^ ERROR the value of the associated type `Item` (from trait `Iterator`) is already specified [E0719]
+//~| ERROR the value of the associated type `Item` (from trait `Iterator`) is already specified [E0719]
 trait TRS2: Iterator<Item: Copy, Item: Copy> {}
 //~^ ERROR the value of the associated type `Item` (from trait `Iterator`) is already specified [E0719]
+//~| ERROR the value of the associated type `Item` (from trait `Iterator`) is already specified [E0719]
 trait TRS3: Iterator<Item: 'static, Item: 'static> {}
 //~^ ERROR the value of the associated type `Item` (from trait `Iterator`) is already specified [E0719]
+//~| ERROR the value of the associated type `Item` (from trait `Iterator`) is already specified [E0719]
 trait TRW1<T>
 where
     T: Iterator<Item: Copy, Item: Send>,
diff --git a/tests/ui/associated-type-bounds/duplicate.stderr b/tests/ui/associated-type-bounds/duplicate.stderr
index c3061327f56..08721eff7b0 100644
--- a/tests/ui/associated-type-bounds/duplicate.stderr
+++ b/tests/ui/associated-type-bounds/duplicate.stderr
@@ -367,7 +367,23 @@ LL | trait TRS1: Iterator<Item: Copy, Item: Send> {}
    |                      `Item` bound here first
 
 error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
-  --> $DIR/duplicate.rs:196:34
+  --> $DIR/duplicate.rs:194:34
+   |
+LL | trait TRS1: Iterator<Item: Copy, Item: Send> {}
+   |                      ----------  ^^^^^^^^^^ re-bound here
+   |                      |
+   |                      `Item` bound here first
+
+error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
+  --> $DIR/duplicate.rs:197:34
+   |
+LL | trait TRS2: Iterator<Item: Copy, Item: Copy> {}
+   |                      ----------  ^^^^^^^^^^ re-bound here
+   |                      |
+   |                      `Item` bound here first
+
+error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
+  --> $DIR/duplicate.rs:197:34
    |
 LL | trait TRS2: Iterator<Item: Copy, Item: Copy> {}
    |                      ----------  ^^^^^^^^^^ re-bound here
@@ -375,7 +391,15 @@ LL | trait TRS2: Iterator<Item: Copy, Item: Copy> {}
    |                      `Item` bound here first
 
 error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
-  --> $DIR/duplicate.rs:198:37
+  --> $DIR/duplicate.rs:200:37
+   |
+LL | trait TRS3: Iterator<Item: 'static, Item: 'static> {}
+   |                      -------------  ^^^^^^^^^^^^^ re-bound here
+   |                      |
+   |                      `Item` bound here first
+
+error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
+  --> $DIR/duplicate.rs:200:37
    |
 LL | trait TRS3: Iterator<Item: 'static, Item: 'static> {}
    |                      -------------  ^^^^^^^^^^^^^ re-bound here
@@ -383,7 +407,7 @@ LL | trait TRS3: Iterator<Item: 'static, Item: 'static> {}
    |                      `Item` bound here first
 
 error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
-  --> $DIR/duplicate.rs:202:29
+  --> $DIR/duplicate.rs:205:29
    |
 LL |     T: Iterator<Item: Copy, Item: Send>,
    |                 ----------  ^^^^^^^^^^ re-bound here
@@ -391,7 +415,7 @@ LL |     T: Iterator<Item: Copy, Item: Send>,
    |                 `Item` bound here first
 
 error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
-  --> $DIR/duplicate.rs:208:29
+  --> $DIR/duplicate.rs:211:29
    |
 LL |     T: Iterator<Item: Copy, Item: Copy>,
    |                 ----------  ^^^^^^^^^^ re-bound here
@@ -399,7 +423,7 @@ LL |     T: Iterator<Item: Copy, Item: Copy>,
    |                 `Item` bound here first
 
 error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
-  --> $DIR/duplicate.rs:214:32
+  --> $DIR/duplicate.rs:217:32
    |
 LL |     T: Iterator<Item: 'static, Item: 'static>,
    |                 -------------  ^^^^^^^^^^^^^ re-bound here
@@ -407,7 +431,7 @@ LL |     T: Iterator<Item: 'static, Item: 'static>,
    |                 `Item` bound here first
 
 error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
-  --> $DIR/duplicate.rs:220:32
+  --> $DIR/duplicate.rs:223:32
    |
 LL |     Self: Iterator<Item: Copy, Item: Send>,
    |                    ----------  ^^^^^^^^^^ re-bound here
@@ -415,7 +439,7 @@ LL |     Self: Iterator<Item: Copy, Item: Send>,
    |                    `Item` bound here first
 
 error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
-  --> $DIR/duplicate.rs:220:32
+  --> $DIR/duplicate.rs:223:32
    |
 LL |     Self: Iterator<Item: Copy, Item: Send>,
    |                    ----------  ^^^^^^^^^^ re-bound here
@@ -423,7 +447,7 @@ LL |     Self: Iterator<Item: Copy, Item: Send>,
    |                    `Item` bound here first
 
 error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
-  --> $DIR/duplicate.rs:227:32
+  --> $DIR/duplicate.rs:230:32
    |
 LL |     Self: Iterator<Item: Copy, Item: Copy>,
    |                    ----------  ^^^^^^^^^^ re-bound here
@@ -431,7 +455,7 @@ LL |     Self: Iterator<Item: Copy, Item: Copy>,
    |                    `Item` bound here first
 
 error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
-  --> $DIR/duplicate.rs:227:32
+  --> $DIR/duplicate.rs:230:32
    |
 LL |     Self: Iterator<Item: Copy, Item: Copy>,
    |                    ----------  ^^^^^^^^^^ re-bound here
@@ -439,7 +463,7 @@ LL |     Self: Iterator<Item: Copy, Item: Copy>,
    |                    `Item` bound here first
 
 error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
-  --> $DIR/duplicate.rs:234:35
+  --> $DIR/duplicate.rs:237:35
    |
 LL |     Self: Iterator<Item: 'static, Item: 'static>,
    |                    -------------  ^^^^^^^^^^^^^ re-bound here
@@ -447,7 +471,7 @@ LL |     Self: Iterator<Item: 'static, Item: 'static>,
    |                    `Item` bound here first
 
 error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
-  --> $DIR/duplicate.rs:234:35
+  --> $DIR/duplicate.rs:237:35
    |
 LL |     Self: Iterator<Item: 'static, Item: 'static>,
    |                    -------------  ^^^^^^^^^^^^^ re-bound here
@@ -455,7 +479,7 @@ LL |     Self: Iterator<Item: 'static, Item: 'static>,
    |                    `Item` bound here first
 
 error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
-  --> $DIR/duplicate.rs:252:40
+  --> $DIR/duplicate.rs:255:40
    |
 LL | type TADyn1 = dyn Iterator<Item: Copy, Item: Send>;
    |                            ----------  ^^^^^^^^^^ re-bound here
@@ -463,7 +487,7 @@ LL | type TADyn1 = dyn Iterator<Item: Copy, Item: Send>;
    |                            `Item` bound here first
 
 error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
-  --> $DIR/duplicate.rs:254:44
+  --> $DIR/duplicate.rs:257:44
    |
 LL | type TADyn2 = Box<dyn Iterator<Item: Copy, Item: Copy>>;
    |                                ----------  ^^^^^^^^^^ re-bound here
@@ -471,7 +495,7 @@ LL | type TADyn2 = Box<dyn Iterator<Item: Copy, Item: Copy>>;
    |                                `Item` bound here first
 
 error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
-  --> $DIR/duplicate.rs:256:43
+  --> $DIR/duplicate.rs:259:43
    |
 LL | type TADyn3 = dyn Iterator<Item: 'static, Item: 'static>;
    |                            -------------  ^^^^^^^^^^^^^ re-bound here
@@ -479,7 +503,7 @@ LL | type TADyn3 = dyn Iterator<Item: 'static, Item: 'static>;
    |                            `Item` bound here first
 
 error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
-  --> $DIR/duplicate.rs:240:34
+  --> $DIR/duplicate.rs:243:34
    |
 LL |     type A: Iterator<Item: Copy, Item: Send>;
    |                      ----------  ^^^^^^^^^^ re-bound here
@@ -487,7 +511,7 @@ LL |     type A: Iterator<Item: Copy, Item: Send>;
    |                      `Item` bound here first
 
 error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
-  --> $DIR/duplicate.rs:244:34
+  --> $DIR/duplicate.rs:247:34
    |
 LL |     type A: Iterator<Item: Copy, Item: Copy>;
    |                      ----------  ^^^^^^^^^^ re-bound here
@@ -495,13 +519,13 @@ LL |     type A: Iterator<Item: Copy, Item: Copy>;
    |                      `Item` bound here first
 
 error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
-  --> $DIR/duplicate.rs:248:37
+  --> $DIR/duplicate.rs:251:37
    |
 LL |     type A: Iterator<Item: 'static, Item: 'static>;
    |                      -------------  ^^^^^^^^^^^^^ re-bound here
    |                      |
    |                      `Item` bound here first
 
-error: aborting due to 63 previous errors
+error: aborting due to 66 previous errors
 
 For more information about this error, try `rustc --explain E0719`.
diff --git a/tests/ui/associated-type-bounds/return-type-notation/bad-inputs-and-output.rs b/tests/ui/associated-type-bounds/return-type-notation/bad-inputs-and-output.rs
index 79cee55177b..58ce41d1a89 100644
--- a/tests/ui/associated-type-bounds/return-type-notation/bad-inputs-and-output.rs
+++ b/tests/ui/associated-type-bounds/return-type-notation/bad-inputs-and-output.rs
@@ -2,7 +2,6 @@
 
 #![feature(return_type_notation, async_fn_in_trait)]
 //~^ WARN the feature `return_type_notation` is incomplete
-//~| WARN the feature `async_fn_in_trait` is incomplete
 
 trait Trait {
     async fn method() {}
diff --git a/tests/ui/associated-type-bounds/return-type-notation/bad-inputs-and-output.stderr b/tests/ui/associated-type-bounds/return-type-notation/bad-inputs-and-output.stderr
index b23e0f791ea..95ef7d82fca 100644
--- a/tests/ui/associated-type-bounds/return-type-notation/bad-inputs-and-output.stderr
+++ b/tests/ui/associated-type-bounds/return-type-notation/bad-inputs-and-output.stderr
@@ -1,11 +1,11 @@
 error: return type notation uses `()` instead of `(..)` for elided arguments
-  --> $DIR/bad-inputs-and-output.rs:19:24
+  --> $DIR/bad-inputs-and-output.rs:18:24
    |
 LL | fn baz<T: Trait<method(..): Send>>() {}
    |                        ^^ help: remove the `..`
 
 error[E0658]: associated type bounds are unstable
-  --> $DIR/bad-inputs-and-output.rs:11:17
+  --> $DIR/bad-inputs-and-output.rs:10:17
    |
 LL | fn foo<T: Trait<method(i32): Send>>() {}
    |                 ^^^^^^^^^^^^^^^^^
@@ -14,7 +14,7 @@ LL | fn foo<T: Trait<method(i32): Send>>() {}
    = help: add `#![feature(associated_type_bounds)]` to the crate attributes to enable
 
 error[E0658]: associated type bounds are unstable
-  --> $DIR/bad-inputs-and-output.rs:15:17
+  --> $DIR/bad-inputs-and-output.rs:14:17
    |
 LL | fn bar<T: Trait<method() -> (): Send>>() {}
    |                 ^^^^^^^^^^^^^^^^^^^^
@@ -31,26 +31,18 @@ LL | #![feature(return_type_notation, async_fn_in_trait)]
    = note: see issue #109417 <https://github.com/rust-lang/rust/issues/109417> for more information
    = note: `#[warn(incomplete_features)]` on by default
 
-warning: the feature `async_fn_in_trait` is incomplete and may not be safe to use and/or cause compiler crashes
-  --> $DIR/bad-inputs-and-output.rs:3:34
-   |
-LL | #![feature(return_type_notation, async_fn_in_trait)]
-   |                                  ^^^^^^^^^^^^^^^^^
-   |
-   = note: see issue #91611 <https://github.com/rust-lang/rust/issues/91611> for more information
-
 error: argument types not allowed with return type notation
-  --> $DIR/bad-inputs-and-output.rs:11:23
+  --> $DIR/bad-inputs-and-output.rs:10:23
    |
 LL | fn foo<T: Trait<method(i32): Send>>() {}
    |                       ^^^^^ help: remove the input types: `()`
 
 error: return type not allowed with return type notation
-  --> $DIR/bad-inputs-and-output.rs:15:25
+  --> $DIR/bad-inputs-and-output.rs:14:25
    |
 LL | fn bar<T: Trait<method() -> (): Send>>() {}
    |                         ^^^^^^ help: remove the return type
 
-error: aborting due to 5 previous errors; 2 warnings emitted
+error: aborting due to 5 previous errors; 1 warning emitted
 
 For more information about this error, try `rustc --explain E0658`.
diff --git a/tests/ui/associated-type-bounds/return-type-notation/basic.rs b/tests/ui/associated-type-bounds/return-type-notation/basic.rs
index 0b7530b65d7..edc6a8e4caf 100644
--- a/tests/ui/associated-type-bounds/return-type-notation/basic.rs
+++ b/tests/ui/associated-type-bounds/return-type-notation/basic.rs
@@ -4,7 +4,6 @@
 
 #![feature(return_type_notation, async_fn_in_trait)]
 //~^ WARN the feature `return_type_notation` is incomplete
-//~| WARN the feature `async_fn_in_trait` is incomplete
 
 trait Foo {
     async fn method() -> Result<(), ()>;
diff --git a/tests/ui/associated-type-bounds/return-type-notation/basic.with.stderr b/tests/ui/associated-type-bounds/return-type-notation/basic.with.stderr
index 722c774cb33..9962f4706b3 100644
--- a/tests/ui/associated-type-bounds/return-type-notation/basic.with.stderr
+++ b/tests/ui/associated-type-bounds/return-type-notation/basic.with.stderr
@@ -7,13 +7,5 @@ LL | #![feature(return_type_notation, async_fn_in_trait)]
    = note: see issue #109417 <https://github.com/rust-lang/rust/issues/109417> for more information
    = note: `#[warn(incomplete_features)]` on by default
 
-warning: the feature `async_fn_in_trait` is incomplete and may not be safe to use and/or cause compiler crashes
-  --> $DIR/basic.rs:5:34
-   |
-LL | #![feature(return_type_notation, async_fn_in_trait)]
-   |                                  ^^^^^^^^^^^^^^^^^
-   |
-   = note: see issue #91611 <https://github.com/rust-lang/rust/issues/91611> for more information
-
-warning: 2 warnings emitted
+warning: 1 warning emitted
 
diff --git a/tests/ui/associated-type-bounds/return-type-notation/basic.without.stderr b/tests/ui/associated-type-bounds/return-type-notation/basic.without.stderr
index 1645d8c2650..c2da4f57696 100644
--- a/tests/ui/associated-type-bounds/return-type-notation/basic.without.stderr
+++ b/tests/ui/associated-type-bounds/return-type-notation/basic.without.stderr
@@ -7,31 +7,23 @@ LL | #![feature(return_type_notation, async_fn_in_trait)]
    = note: see issue #109417 <https://github.com/rust-lang/rust/issues/109417> for more information
    = note: `#[warn(incomplete_features)]` on by default
 
-warning: the feature `async_fn_in_trait` is incomplete and may not be safe to use and/or cause compiler crashes
-  --> $DIR/basic.rs:5:34
-   |
-LL | #![feature(return_type_notation, async_fn_in_trait)]
-   |                                  ^^^^^^^^^^^^^^^^^
-   |
-   = note: see issue #91611 <https://github.com/rust-lang/rust/issues/91611> for more information
-
 error: future cannot be sent between threads safely
-  --> $DIR/basic.rs:24:13
+  --> $DIR/basic.rs:23:13
    |
 LL |     is_send(foo::<T>());
    |             ^^^^^^^^^^ future returned by `foo` is not `Send`
    |
    = help: within `impl Future<Output = Result<(), ()>>`, the trait `Send` is not implemented for `impl Future<Output = Result<(), ()>>`
 note: future is not `Send` as it awaits another future which is not `Send`
-  --> $DIR/basic.rs:14:5
+  --> $DIR/basic.rs:13:5
    |
 LL |     T::method().await?;
    |     ^^^^^^^^^^^ await occurs here on type `impl Future<Output = Result<(), ()>>`, which is not `Send`
 note: required by a bound in `is_send`
-  --> $DIR/basic.rs:18:20
+  --> $DIR/basic.rs:17:20
    |
 LL | fn is_send(_: impl Send) {}
    |                    ^^^^ required by this bound in `is_send`
 
-error: aborting due to previous error; 2 warnings emitted
+error: aborting due to previous error; 1 warning emitted
 
diff --git a/tests/ui/associated-type-bounds/return-type-notation/equality.rs b/tests/ui/associated-type-bounds/return-type-notation/equality.rs
index 75f757e9025..6884305d7b3 100644
--- a/tests/ui/associated-type-bounds/return-type-notation/equality.rs
+++ b/tests/ui/associated-type-bounds/return-type-notation/equality.rs
@@ -2,7 +2,6 @@
 
 #![feature(return_type_notation, async_fn_in_trait)]
 //~^ WARN the feature `return_type_notation` is incomplete
-//~| WARN the feature `async_fn_in_trait` is incomplete
 
 use std::future::Future;
 
diff --git a/tests/ui/associated-type-bounds/return-type-notation/equality.stderr b/tests/ui/associated-type-bounds/return-type-notation/equality.stderr
index c5b2e5710d4..490bfdc4c3c 100644
--- a/tests/ui/associated-type-bounds/return-type-notation/equality.stderr
+++ b/tests/ui/associated-type-bounds/return-type-notation/equality.stderr
@@ -7,19 +7,11 @@ LL | #![feature(return_type_notation, async_fn_in_trait)]
    = note: see issue #109417 <https://github.com/rust-lang/rust/issues/109417> for more information
    = note: `#[warn(incomplete_features)]` on by default
 
-warning: the feature `async_fn_in_trait` is incomplete and may not be safe to use and/or cause compiler crashes
-  --> $DIR/equality.rs:3:34
-   |
-LL | #![feature(return_type_notation, async_fn_in_trait)]
-   |                                  ^^^^^^^^^^^^^^^^^
-   |
-   = note: see issue #91611 <https://github.com/rust-lang/rust/issues/91611> for more information
-
 error: return type notation is not allowed to use type equality
-  --> $DIR/equality.rs:13:18
+  --> $DIR/equality.rs:12:18
    |
 LL | fn test<T: Trait<method() = Box<dyn Future<Output = ()>>>>() {}
    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-error: aborting due to previous error; 2 warnings emitted
+error: aborting due to previous error; 1 warning emitted
 
diff --git a/tests/ui/associated-type-bounds/return-type-notation/missing.rs b/tests/ui/associated-type-bounds/return-type-notation/missing.rs
index 7b98a5cdafd..a52562d78f8 100644
--- a/tests/ui/associated-type-bounds/return-type-notation/missing.rs
+++ b/tests/ui/associated-type-bounds/return-type-notation/missing.rs
@@ -2,13 +2,12 @@
 
 #![feature(return_type_notation, async_fn_in_trait)]
 //~^ WARN the feature `return_type_notation` is incomplete
-//~| WARN the feature `async_fn_in_trait` is incomplete
 
 trait Trait {
     async fn method() {}
 }
 
 fn bar<T: Trait<methid(): Send>>() {}
-//~^ ERROR cannot find associated function `methid` in trait `Trait`
+//~^ ERROR cannot find associated function `methid` for `Trait`
 
 fn main() {}
diff --git a/tests/ui/associated-type-bounds/return-type-notation/missing.stderr b/tests/ui/associated-type-bounds/return-type-notation/missing.stderr
index 34f5bda884d..5b1c4cb0b2c 100644
--- a/tests/ui/associated-type-bounds/return-type-notation/missing.stderr
+++ b/tests/ui/associated-type-bounds/return-type-notation/missing.stderr
@@ -7,19 +7,11 @@ LL | #![feature(return_type_notation, async_fn_in_trait)]
    = note: see issue #109417 <https://github.com/rust-lang/rust/issues/109417> for more information
    = note: `#[warn(incomplete_features)]` on by default
 
-warning: the feature `async_fn_in_trait` is incomplete and may not be safe to use and/or cause compiler crashes
-  --> $DIR/missing.rs:3:34
-   |
-LL | #![feature(return_type_notation, async_fn_in_trait)]
-   |                                  ^^^^^^^^^^^^^^^^^
-   |
-   = note: see issue #91611 <https://github.com/rust-lang/rust/issues/91611> for more information
-
-error: cannot find associated function `methid` in trait `Trait`
-  --> $DIR/missing.rs:11:17
+error: cannot find associated function `methid` for `Trait`
+  --> $DIR/missing.rs:10:17
    |
 LL | fn bar<T: Trait<methid(): Send>>() {}
    |                 ^^^^^^^^^^^^^^
 
-error: aborting due to previous error; 2 warnings emitted
+error: aborting due to previous error; 1 warning emitted
 
diff --git a/tests/ui/associated-type-bounds/supertrait-defines-ty.rs b/tests/ui/associated-type-bounds/supertrait-defines-ty.rs
new file mode 100644
index 00000000000..b6f37cb908e
--- /dev/null
+++ b/tests/ui/associated-type-bounds/supertrait-defines-ty.rs
@@ -0,0 +1,26 @@
+// check-pass
+
+// Make sure that we don't look into associated type bounds when looking for
+// supertraits that define an associated type. Fixes #76593.
+
+#![feature(associated_type_bounds)]
+
+trait Load: Sized {
+    type Blob;
+}
+
+trait Primitive: Load<Blob = Self> {}
+
+trait BlobPtr: Primitive {}
+
+trait CleanPtr: Load<Blob: BlobPtr> {
+    fn to_blob(&self) -> Self::Blob;
+}
+
+impl Load for () {
+    type Blob = Self;
+}
+impl Primitive for () {}
+impl BlobPtr for () {}
+
+fn main() {}
diff --git a/tests/ui/associated-types/associated-types-eq-3.stderr b/tests/ui/associated-types/associated-types-eq-3.stderr
index 15ce4fc91cb..c3377eed20a 100644
--- a/tests/ui/associated-types/associated-types-eq-3.stderr
+++ b/tests/ui/associated-types/associated-types-eq-3.stderr
@@ -43,7 +43,7 @@ note: expected this to be `Bar`
    |
 LL |     type A = usize;
    |              ^^^^^
-   = note: required for the cast from `isize` to the object type `dyn Foo<A = Bar>`
+   = note: required for the cast from `&isize` to `&dyn Foo<A = Bar>`
 
 error: aborting due to 3 previous errors
 
diff --git a/tests/ui/associated-types/associated-types-overridden-binding-2.stderr b/tests/ui/associated-types/associated-types-overridden-binding-2.stderr
index a28a0b74e4a..fdec01b95e3 100644
--- a/tests/ui/associated-types/associated-types-overridden-binding-2.stderr
+++ b/tests/ui/associated-types/associated-types-overridden-binding-2.stderr
@@ -4,7 +4,7 @@ error[E0271]: expected `IntoIter<u32>` to be an iterator that yields `i32`, but
 LL |     let _: &dyn I32Iterator<Item = u32> = &vec![42].into_iter();
    |                                           ^^^^^^^^^^^^^^^^^^^^^ expected `i32`, found `u32`
    |
-   = note: required for the cast from `std::vec::IntoIter<u32>` to the object type `dyn Iterator<Item = u32, Item = i32>`
+   = note: required for the cast from `&std::vec::IntoIter<u32>` to `&dyn Iterator<Item = u32, Item = i32>`
 
 error: aborting due to previous error
 
diff --git a/tests/ui/associated-types/issue-65774-1.stderr b/tests/ui/associated-types/issue-65774-1.stderr
index 91b557555d5..9c77a25c432 100644
--- a/tests/ui/associated-types/issue-65774-1.stderr
+++ b/tests/ui/associated-types/issue-65774-1.stderr
@@ -25,7 +25,7 @@ LL | impl<'a, T: MyDisplay> MyDisplay for &'a mut T { }
    |             ---------  ^^^^^^^^^     ^^^^^^^^^
    |             |
    |             unsatisfied trait bound introduced here
-   = note: required for the cast from `&mut T` to the object type `dyn MyDisplay`
+   = note: required for the cast from `&&mut T` to `&dyn MyDisplay`
 
 error: aborting due to 2 previous errors
 
diff --git a/tests/ui/associated-types/issue-65774-2.stderr b/tests/ui/associated-types/issue-65774-2.stderr
index c22302cdc26..ca8a727f0fe 100644
--- a/tests/ui/associated-types/issue-65774-2.stderr
+++ b/tests/ui/associated-types/issue-65774-2.stderr
@@ -18,7 +18,7 @@ LL |         writer.my_write(valref)
    |                         ^^^^^^ the trait `MyDisplay` is not implemented for `T`
    |
    = help: the trait `MyDisplay` is implemented for `&'a mut T`
-   = note: required for the cast from `T` to the object type `dyn MyDisplay`
+   = note: required for the cast from `&mut T` to `&dyn MyDisplay`
 
 error: aborting due to 2 previous errors
 
diff --git a/tests/ui/async-await/async-await-let-else.drop_tracking.stderr b/tests/ui/async-await/async-await-let-else.drop_tracking.stderr
index fb83ca90a37..dee90262fd4 100644
--- a/tests/ui/async-await/async-await-let-else.drop_tracking.stderr
+++ b/tests/ui/async-await/async-await-let-else.drop_tracking.stderr
@@ -6,12 +6,12 @@ LL |     is_send(foo(Some(true)));
    |
    = help: within `impl Future<Output = ()>`, the trait `Send` is not implemented for `Rc<()>`
 note: future is not `Send` as this value is used across an await
-  --> $DIR/async-await-let-else.rs:11:14
+  --> $DIR/async-await-let-else.rs:11:15
    |
 LL |         let r = Rc::new(());
    |             - has type `Rc<()>` which is not `Send`
 LL |         bar().await
-   |              ^^^^^^ await occurs here, with `r` maybe used later
+   |               ^^^^^ await occurs here, with `r` maybe used later
 LL |     };
    |     - `r` is later dropped here
 note: required by a bound in `is_send`
@@ -65,12 +65,12 @@ LL |     is_send(foo3(Some(true)));
    |
    = help: within `impl Future<Output = ()>`, the trait `Send` is not implemented for `Rc<()>`
 note: future is not `Send` as this value is used across an await
-  --> $DIR/async-await-let-else.rs:33:28
+  --> $DIR/async-await-let-else.rs:33:29
    |
 LL |         (Rc::new(()), bar().await);
-   |          -----------       ^^^^^^ - `Rc::new(())` is later dropped here
-   |          |                 |
-   |          |                 await occurs here, with `Rc::new(())` maybe used later
+   |          -----------        ^^^^^ - `Rc::new(())` is later dropped here
+   |          |                  |
+   |          |                  await occurs here, with `Rc::new(())` maybe used later
    |          has type `Rc<()>` which is not `Send`
 note: required by a bound in `is_send`
   --> $DIR/async-await-let-else.rs:19:15
@@ -86,12 +86,12 @@ LL |     is_send(foo4(Some(true)));
    |
    = help: within `impl Future<Output = ()>`, the trait `Send` is not implemented for `Rc<()>`
 note: future is not `Send` as this value is used across an await
-  --> $DIR/async-await-let-else.rs:41:14
+  --> $DIR/async-await-let-else.rs:41:15
    |
 LL |         let r = Rc::new(());
    |             - has type `Rc<()>` which is not `Send`
 LL |         bar().await;
-   |              ^^^^^^ await occurs here, with `r` maybe used later
+   |               ^^^^^ await occurs here, with `r` maybe used later
 ...
 LL |     };
    |     - `r` is later dropped here
diff --git a/tests/ui/async-await/async-await-let-else.drop_tracking_mir.stderr b/tests/ui/async-await/async-await-let-else.drop_tracking_mir.stderr
index c284bbfb1cc..e3fcceaa392 100644
--- a/tests/ui/async-await/async-await-let-else.drop_tracking_mir.stderr
+++ b/tests/ui/async-await/async-await-let-else.drop_tracking_mir.stderr
@@ -6,12 +6,12 @@ LL |     is_send(foo(Some(true)));
    |
    = help: within `impl Future<Output = ()>`, the trait `Send` is not implemented for `Rc<()>`
 note: future is not `Send` as this value is used across an await
-  --> $DIR/async-await-let-else.rs:11:14
+  --> $DIR/async-await-let-else.rs:11:15
    |
 LL |         let r = Rc::new(());
    |             - has type `Rc<()>` which is not `Send`
 LL |         bar().await
-   |              ^^^^^^ await occurs here, with `r` maybe used later
+   |               ^^^^^ await occurs here, with `r` maybe used later
 note: required by a bound in `is_send`
   --> $DIR/async-await-let-else.rs:19:15
    |
@@ -63,10 +63,10 @@ LL |     is_send(foo3(Some(true)));
    |
    = help: within `impl Future<Output = ()>`, the trait `Send` is not implemented for `Rc<()>`
 note: future is not `Send` as this value is used across an await
-  --> $DIR/async-await-let-else.rs:33:28
+  --> $DIR/async-await-let-else.rs:33:29
    |
 LL |         (Rc::new(()), bar().await);
-   |          -----------       ^^^^^^ await occurs here, with `Rc::new(())` maybe used later
+   |          -----------        ^^^^^ await occurs here, with `Rc::new(())` maybe used later
    |          |
    |          has type `Rc<()>` which is not `Send`
 note: required by a bound in `is_send`
@@ -83,12 +83,12 @@ LL |     is_send(foo4(Some(true)));
    |
    = help: within `impl Future<Output = ()>`, the trait `Send` is not implemented for `Rc<()>`
 note: future is not `Send` as this value is used across an await
-  --> $DIR/async-await-let-else.rs:41:14
+  --> $DIR/async-await-let-else.rs:41:15
    |
 LL |         let r = Rc::new(());
    |             - has type `Rc<()>` which is not `Send`
 LL |         bar().await;
-   |              ^^^^^^ await occurs here, with `r` maybe used later
+   |               ^^^^^ await occurs here, with `r` maybe used later
 note: required by a bound in `is_send`
   --> $DIR/async-await-let-else.rs:19:15
    |
diff --git a/tests/ui/async-await/async-await-let-else.no_drop_tracking.stderr b/tests/ui/async-await/async-await-let-else.no_drop_tracking.stderr
index d3c5e80a30d..ece4e51ecff 100644
--- a/tests/ui/async-await/async-await-let-else.no_drop_tracking.stderr
+++ b/tests/ui/async-await/async-await-let-else.no_drop_tracking.stderr
@@ -6,12 +6,12 @@ LL |     is_send(foo(Some(true)));
    |
    = help: within `impl Future<Output = ()>`, the trait `Send` is not implemented for `Rc<()>`
 note: future is not `Send` as this value is used across an await
-  --> $DIR/async-await-let-else.rs:11:14
+  --> $DIR/async-await-let-else.rs:11:15
    |
 LL |         let r = Rc::new(());
    |             - has type `Rc<()>` which is not `Send`
 LL |         bar().await
-   |              ^^^^^^ await occurs here, with `r` maybe used later
+   |               ^^^^^ await occurs here, with `r` maybe used later
 LL |     };
    |     - `r` is later dropped here
 note: required by a bound in `is_send`
@@ -28,10 +28,10 @@ LL |     is_send(foo2(Some(true)));
    |
    = help: within `impl Future<Output = ()>`, the trait `Send` is not implemented for `Rc<()>`
 note: future is not `Send` as this value is used across an await
-  --> $DIR/async-await-let-else.rs:23:26
+  --> $DIR/async-await-let-else.rs:23:27
    |
 LL |         bar2(Rc::new(())).await
-   |              ----------- ^^^^^^ await occurs here, with `Rc::new(())` maybe used later
+   |              -----------  ^^^^^ await occurs here, with `Rc::new(())` maybe used later
    |              |
    |              has type `Rc<()>` which is not `Send`
 LL |     };
@@ -50,12 +50,12 @@ LL |     is_send(foo3(Some(true)));
    |
    = help: within `impl Future<Output = ()>`, the trait `Send` is not implemented for `Rc<()>`
 note: future is not `Send` as this value is used across an await
-  --> $DIR/async-await-let-else.rs:33:28
+  --> $DIR/async-await-let-else.rs:33:29
    |
 LL |         (Rc::new(()), bar().await);
-   |          -----------       ^^^^^^ - `Rc::new(())` is later dropped here
-   |          |                 |
-   |          |                 await occurs here, with `Rc::new(())` maybe used later
+   |          -----------        ^^^^^ - `Rc::new(())` is later dropped here
+   |          |                  |
+   |          |                  await occurs here, with `Rc::new(())` maybe used later
    |          has type `Rc<()>` which is not `Send`
 note: required by a bound in `is_send`
   --> $DIR/async-await-let-else.rs:19:15
@@ -71,12 +71,12 @@ LL |     is_send(foo4(Some(true)));
    |
    = help: within `impl Future<Output = ()>`, the trait `Send` is not implemented for `Rc<()>`
 note: future is not `Send` as this value is used across an await
-  --> $DIR/async-await-let-else.rs:41:14
+  --> $DIR/async-await-let-else.rs:41:15
    |
 LL |         let r = Rc::new(());
    |             - has type `Rc<()>` which is not `Send`
 LL |         bar().await;
-   |              ^^^^^^ await occurs here, with `r` maybe used later
+   |               ^^^^^ await occurs here, with `r` maybe used later
 ...
 LL |     };
    |     - `r` is later dropped here
diff --git a/tests/ui/async-await/async-block-control-flow-static-semantics.stderr b/tests/ui/async-await/async-block-control-flow-static-semantics.stderr
index a6dbb071614..bbd5a822d8d 100644
--- a/tests/ui/async-await/async-block-control-flow-static-semantics.stderr
+++ b/tests/ui/async-await/async-block-control-flow-static-semantics.stderr
@@ -35,7 +35,7 @@ error[E0271]: expected `[async block@$DIR/async-block-control-flow-static-semant
 LL |     let _: &dyn Future<Output = ()> = &block;
    |                                       ^^^^^^ expected `()`, found `u8`
    |
-   = note: required for the cast from `[async block@$DIR/async-block-control-flow-static-semantics.rs:23:17: 25:6]` to the object type `dyn Future<Output = ()>`
+   = note: required for the cast from `&[async block@$DIR/async-block-control-flow-static-semantics.rs:23:17: 25:6]` to `&dyn Future<Output = ()>`
 
 error[E0308]: mismatched types
   --> $DIR/async-block-control-flow-static-semantics.rs:12:43
@@ -51,7 +51,7 @@ error[E0271]: expected `[async block@$DIR/async-block-control-flow-static-semant
 LL |     let _: &dyn Future<Output = ()> = &block;
    |                                       ^^^^^^ expected `()`, found `u8`
    |
-   = note: required for the cast from `[async block@$DIR/async-block-control-flow-static-semantics.rs:14:17: 16:6]` to the object type `dyn Future<Output = ()>`
+   = note: required for the cast from `&[async block@$DIR/async-block-control-flow-static-semantics.rs:14:17: 16:6]` to `&dyn Future<Output = ()>`
 
 error[E0308]: mismatched types
   --> $DIR/async-block-control-flow-static-semantics.rs:49:44
diff --git a/tests/ui/async-await/async-error-span.drop_tracking.stderr b/tests/ui/async-await/async-error-span.drop_tracking.stderr
index c6257cb324d..99a674a2684 100644
--- a/tests/ui/async-await/async-error-span.drop_tracking.stderr
+++ b/tests/ui/async-await/async-error-span.drop_tracking.stderr
@@ -14,10 +14,10 @@ LL |     let a;
    |         ^ cannot infer type
    |
 note: the type is part of the `async fn` body because of this `await`
-  --> $DIR/async-error-span.rs:19:17
+  --> $DIR/async-error-span.rs:19:18
    |
 LL |     get_future().await;
-   |                 ^^^^^^
+   |                  ^^^^^
 
 error: aborting due to 2 previous errors
 
diff --git a/tests/ui/async-await/async-error-span.no_drop_tracking.stderr b/tests/ui/async-await/async-error-span.no_drop_tracking.stderr
index c6257cb324d..99a674a2684 100644
--- a/tests/ui/async-await/async-error-span.no_drop_tracking.stderr
+++ b/tests/ui/async-await/async-error-span.no_drop_tracking.stderr
@@ -14,10 +14,10 @@ LL |     let a;
    |         ^ cannot infer type
    |
 note: the type is part of the `async fn` body because of this `await`
-  --> $DIR/async-error-span.rs:19:17
+  --> $DIR/async-error-span.rs:19:18
    |
 LL |     get_future().await;
-   |                 ^^^^^^
+   |                  ^^^^^
 
 error: aborting due to 2 previous errors
 
diff --git a/tests/ui/async-await/async-fn-nonsend.drop_tracking.stderr b/tests/ui/async-await/async-fn-nonsend.drop_tracking.stderr
index 0f0dc335e7f..0515edaeda3 100644
--- a/tests/ui/async-await/async-fn-nonsend.drop_tracking.stderr
+++ b/tests/ui/async-await/async-fn-nonsend.drop_tracking.stderr
@@ -6,12 +6,12 @@ LL |     assert_send(non_send_temporary_in_match());
    |
    = help: within `impl Future<Output = ()>`, the trait `Send` is not implemented for `Rc<()>`
 note: future is not `Send` as this value is used across an await
-  --> $DIR/async-fn-nonsend.rs:36:25
+  --> $DIR/async-fn-nonsend.rs:36:26
    |
 LL |     match Some(non_send()) {
    |           ---------------- has type `Option<impl Debug>` which is not `Send`
 LL |         Some(_) => fut().await,
-   |                         ^^^^^^ await occurs here, with `Some(non_send())` maybe used later
+   |                          ^^^^^ await occurs here, with `Some(non_send())` maybe used later
 ...
 LL | }
    | - `Some(non_send())` is later dropped here
@@ -29,13 +29,13 @@ LL |     assert_send(non_sync_with_method_call());
    |
    = help: within `impl Future<Output = ()>`, the trait `Send` is not implemented for `dyn std::fmt::Write`
 note: future is not `Send` as this value is used across an await
-  --> $DIR/async-fn-nonsend.rs:49:14
+  --> $DIR/async-fn-nonsend.rs:49:15
    |
 LL |     let f: &mut std::fmt::Formatter = &mut get_formatter();
    |                                            --------------- has type `Formatter<'_>` which is not `Send`
 ...
 LL |         fut().await;
-   |              ^^^^^^ await occurs here, with `get_formatter()` maybe used later
+   |               ^^^^^ await occurs here, with `get_formatter()` maybe used later
 LL |     }
 LL | }
    | - `get_formatter()` is later dropped here
diff --git a/tests/ui/async-await/async-fn-nonsend.drop_tracking_mir.stderr b/tests/ui/async-await/async-fn-nonsend.drop_tracking_mir.stderr
index 57a01280145..219945e0971 100644
--- a/tests/ui/async-await/async-fn-nonsend.drop_tracking_mir.stderr
+++ b/tests/ui/async-await/async-fn-nonsend.drop_tracking_mir.stderr
@@ -6,12 +6,12 @@ LL |     assert_send(non_send_temporary_in_match());
    |
    = help: within `impl Future<Output = ()>`, the trait `Send` is not implemented for `Rc<()>`
 note: future is not `Send` as this value is used across an await
-  --> $DIR/async-fn-nonsend.rs:36:25
+  --> $DIR/async-fn-nonsend.rs:36:26
    |
 LL |     match Some(non_send()) {
    |           ---------------- has type `Option<impl Debug>` which is not `Send`
 LL |         Some(_) => fut().await,
-   |                         ^^^^^^ await occurs here, with `Some(non_send())` maybe used later
+   |                          ^^^^^ await occurs here, with `Some(non_send())` maybe used later
 note: required by a bound in `assert_send`
   --> $DIR/async-fn-nonsend.rs:67:24
    |
@@ -26,13 +26,13 @@ LL |     assert_send(non_sync_with_method_call());
    |
    = help: within `impl Future<Output = ()>`, the trait `Send` is not implemented for `dyn std::fmt::Write`
 note: future is not `Send` as this value is used across an await
-  --> $DIR/async-fn-nonsend.rs:49:14
+  --> $DIR/async-fn-nonsend.rs:49:15
    |
 LL |     let f: &mut std::fmt::Formatter = &mut get_formatter();
    |                                            --------------- has type `Formatter<'_>` which is not `Send`
 ...
 LL |         fut().await;
-   |              ^^^^^^ await occurs here, with `get_formatter()` maybe used later
+   |               ^^^^^ await occurs here, with `get_formatter()` maybe used later
 note: required by a bound in `assert_send`
   --> $DIR/async-fn-nonsend.rs:67:24
    |
diff --git a/tests/ui/async-await/async-fn-nonsend.no_drop_tracking.stderr b/tests/ui/async-await/async-fn-nonsend.no_drop_tracking.stderr
index 5cec21d890e..b29d2e192f4 100644
--- a/tests/ui/async-await/async-fn-nonsend.no_drop_tracking.stderr
+++ b/tests/ui/async-await/async-fn-nonsend.no_drop_tracking.stderr
@@ -6,13 +6,13 @@ LL |     assert_send(local_dropped_before_await());
    |
    = help: within `impl Future<Output = ()>`, the trait `Send` is not implemented for `Rc<()>`
 note: future is not `Send` as this value is used across an await
-  --> $DIR/async-fn-nonsend.rs:27:10
+  --> $DIR/async-fn-nonsend.rs:27:11
    |
 LL |     let x = non_send();
    |         - has type `impl Debug` which is not `Send`
 LL |     drop(x);
 LL |     fut().await;
-   |          ^^^^^^ await occurs here, with `x` maybe used later
+   |           ^^^^^ await occurs here, with `x` maybe used later
 LL | }
    | - `x` is later dropped here
 note: required by a bound in `assert_send`
@@ -29,12 +29,12 @@ LL |     assert_send(non_send_temporary_in_match());
    |
    = help: within `impl Future<Output = ()>`, the trait `Send` is not implemented for `Rc<()>`
 note: future is not `Send` as this value is used across an await
-  --> $DIR/async-fn-nonsend.rs:36:25
+  --> $DIR/async-fn-nonsend.rs:36:26
    |
 LL |     match Some(non_send()) {
    |                ---------- has type `impl Debug` which is not `Send`
 LL |         Some(_) => fut().await,
-   |                         ^^^^^^ await occurs here, with `non_send()` maybe used later
+   |                          ^^^^^ await occurs here, with `non_send()` maybe used later
 ...
 LL | }
    | - `non_send()` is later dropped here
@@ -52,13 +52,13 @@ LL |     assert_send(non_sync_with_method_call());
    |
    = help: within `impl Future<Output = ()>`, the trait `Send` is not implemented for `dyn std::fmt::Write`
 note: future is not `Send` as this value is used across an await
-  --> $DIR/async-fn-nonsend.rs:49:14
+  --> $DIR/async-fn-nonsend.rs:49:15
    |
 LL |     let f: &mut std::fmt::Formatter = &mut get_formatter();
    |                                            --------------- has type `Formatter<'_>` which is not `Send`
 ...
 LL |         fut().await;
-   |              ^^^^^^ await occurs here, with `get_formatter()` maybe used later
+   |               ^^^^^ await occurs here, with `get_formatter()` maybe used later
 LL |     }
 LL | }
    | - `get_formatter()` is later dropped here
@@ -76,13 +76,13 @@ LL |     assert_send(non_sync_with_method_call_panic());
    |
    = help: within `impl Future<Output = ()>`, the trait `Send` is not implemented for `dyn std::fmt::Write`
 note: future is not `Send` as this value is used across an await
-  --> $DIR/async-fn-nonsend.rs:56:14
+  --> $DIR/async-fn-nonsend.rs:56:15
    |
 LL |     let f: &mut std::fmt::Formatter = panic!();
    |         - has type `&mut Formatter<'_>` which is not `Send`
 LL |     if non_sync().fmt(f).unwrap() == () {
 LL |         fut().await;
-   |              ^^^^^^ await occurs here, with `f` maybe used later
+   |               ^^^^^ await occurs here, with `f` maybe used later
 LL |     }
 LL | }
    | - `f` is later dropped here
@@ -100,13 +100,13 @@ LL |     assert_send(non_sync_with_method_call_infinite_loop());
    |
    = help: within `impl Future<Output = ()>`, the trait `Send` is not implemented for `dyn std::fmt::Write`
 note: future is not `Send` as this value is used across an await
-  --> $DIR/async-fn-nonsend.rs:63:14
+  --> $DIR/async-fn-nonsend.rs:63:15
    |
 LL |     let f: &mut std::fmt::Formatter = loop {};
    |         - has type `&mut Formatter<'_>` which is not `Send`
 LL |     if non_sync().fmt(f).unwrap() == () {
 LL |         fut().await;
-   |              ^^^^^^ await occurs here, with `f` maybe used later
+   |               ^^^^^ await occurs here, with `f` maybe used later
 LL |     }
 LL | }
    | - `f` is later dropped here
diff --git a/tests/ui/async-await/async-fn-nonsend.stderr b/tests/ui/async-await/async-fn-nonsend.stderr
deleted file mode 100644
index 0f0dc335e7f..00000000000
--- a/tests/ui/async-await/async-fn-nonsend.stderr
+++ /dev/null
@@ -1,49 +0,0 @@
-error: future cannot be sent between threads safely
-  --> $DIR/async-fn-nonsend.rs:72:17
-   |
-LL |     assert_send(non_send_temporary_in_match());
-   |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ future returned by `non_send_temporary_in_match` is not `Send`
-   |
-   = help: within `impl Future<Output = ()>`, the trait `Send` is not implemented for `Rc<()>`
-note: future is not `Send` as this value is used across an await
-  --> $DIR/async-fn-nonsend.rs:36:25
-   |
-LL |     match Some(non_send()) {
-   |           ---------------- has type `Option<impl Debug>` which is not `Send`
-LL |         Some(_) => fut().await,
-   |                         ^^^^^^ await occurs here, with `Some(non_send())` maybe used later
-...
-LL | }
-   | - `Some(non_send())` is later dropped here
-note: required by a bound in `assert_send`
-  --> $DIR/async-fn-nonsend.rs:67:24
-   |
-LL | fn assert_send(_: impl Send) {}
-   |                        ^^^^ required by this bound in `assert_send`
-
-error: future cannot be sent between threads safely
-  --> $DIR/async-fn-nonsend.rs:74:17
-   |
-LL |     assert_send(non_sync_with_method_call());
-   |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^ future returned by `non_sync_with_method_call` is not `Send`
-   |
-   = help: within `impl Future<Output = ()>`, the trait `Send` is not implemented for `dyn std::fmt::Write`
-note: future is not `Send` as this value is used across an await
-  --> $DIR/async-fn-nonsend.rs:49:14
-   |
-LL |     let f: &mut std::fmt::Formatter = &mut get_formatter();
-   |                                            --------------- has type `Formatter<'_>` which is not `Send`
-...
-LL |         fut().await;
-   |              ^^^^^^ await occurs here, with `get_formatter()` maybe used later
-LL |     }
-LL | }
-   | - `get_formatter()` is later dropped here
-note: required by a bound in `assert_send`
-  --> $DIR/async-fn-nonsend.rs:67:24
-   |
-LL | fn assert_send(_: impl Send) {}
-   |                        ^^^^ required by this bound in `assert_send`
-
-error: aborting due to 2 previous errors
-
diff --git a/tests/ui/async-await/async-is-unwindsafe.stderr b/tests/ui/async-await/async-is-unwindsafe.stderr
index d6404b30e74..5d29325c827 100644
--- a/tests/ui/async-await/async-is-unwindsafe.stderr
+++ b/tests/ui/async-await/async-is-unwindsafe.stderr
@@ -17,13 +17,13 @@ LL | |     });
    = help: within `[async block@$DIR/async-is-unwindsafe.rs:12:19: 29:6]`, the trait `UnwindSafe` is not implemented for `&mut Context<'_>`
    = note: `UnwindSafe` is implemented for `&std::task::Context<'_>`, but not for `&mut std::task::Context<'_>`
 note: future does not implement `UnwindSafe` as this value is used across an await
-  --> $DIR/async-is-unwindsafe.rs:25:17
+  --> $DIR/async-is-unwindsafe.rs:25:18
    |
 LL |         let cx_ref = &mut cx;
    |             ------ has type `&mut Context<'_>` which does not implement `UnwindSafe`
 LL |
 LL |         async {}.await; // this needs an inner await point
-   |                 ^^^^^^ await occurs here, with `cx_ref` maybe used later
+   |                  ^^^^^ await occurs here, with `cx_ref` maybe used later
 ...
 LL |     });
    |     - `cx_ref` is later dropped here
diff --git a/tests/ui/async-await/await-keyword/incorrect-syntax-suggestions.stderr b/tests/ui/async-await/await-keyword/incorrect-syntax-suggestions.stderr
index b30f2883732..7b03e56662a 100644
--- a/tests/ui/async-await/await-keyword/incorrect-syntax-suggestions.stderr
+++ b/tests/ui/async-await/await-keyword/incorrect-syntax-suggestions.stderr
@@ -143,7 +143,7 @@ error[E0728]: `await` is only allowed inside `async` functions and blocks
 LL | fn foo9() -> Result<(), ()> {
    |    ---- this is not `async`
 LL |     let _ = await bar();
-   |             ^^^^^^^^^^^ only allowed inside `async` functions and blocks
+   |             ^^^^^ only allowed inside `async` functions and blocks
 
 error[E0728]: `await` is only allowed inside `async` functions and blocks
   --> $DIR/incorrect-syntax-suggestions.rs:57:13
@@ -151,7 +151,7 @@ error[E0728]: `await` is only allowed inside `async` functions and blocks
 LL | fn foo10() -> Result<(), ()> {
    |    ----- this is not `async`
 LL |     let _ = await? bar();
-   |             ^^^^^^^^^^^^ only allowed inside `async` functions and blocks
+   |             ^^^^^ only allowed inside `async` functions and blocks
 
 error[E0728]: `await` is only allowed inside `async` functions and blocks
   --> $DIR/incorrect-syntax-suggestions.rs:66:14
@@ -159,71 +159,71 @@ error[E0728]: `await` is only allowed inside `async` functions and blocks
 LL | fn foo12() -> Result<(), ()> {
    |    ----- this is not `async`
 LL |     let _ = (await bar())?;
-   |              ^^^^^^^^^^^ only allowed inside `async` functions and blocks
+   |              ^^^^^ only allowed inside `async` functions and blocks
 
 error[E0728]: `await` is only allowed inside `async` functions and blocks
-  --> $DIR/incorrect-syntax-suggestions.rs:71:18
+  --> $DIR/incorrect-syntax-suggestions.rs:71:19
    |
 LL | fn foo13() -> Result<(), ()> {
    |    ----- this is not `async`
 LL |     let _ = bar().await();
-   |                  ^^^^^^ only allowed inside `async` functions and blocks
+   |                   ^^^^^ only allowed inside `async` functions and blocks
 
 error[E0728]: `await` is only allowed inside `async` functions and blocks
-  --> $DIR/incorrect-syntax-suggestions.rs:76:18
+  --> $DIR/incorrect-syntax-suggestions.rs:76:19
    |
 LL | fn foo14() -> Result<(), ()> {
    |    ----- this is not `async`
 LL |     let _ = bar().await()?;
-   |                  ^^^^^^ only allowed inside `async` functions and blocks
+   |                   ^^^^^ only allowed inside `async` functions and blocks
 
 error[E0728]: `await` is only allowed inside `async` functions and blocks
-  --> $DIR/incorrect-syntax-suggestions.rs:81:18
+  --> $DIR/incorrect-syntax-suggestions.rs:81:19
    |
 LL | fn foo15() -> Result<(), ()> {
    |    ----- this is not `async`
 LL |     let _ = bar().await;
-   |                  ^^^^^^ only allowed inside `async` functions and blocks
+   |                   ^^^^^ only allowed inside `async` functions and blocks
 
 error[E0728]: `await` is only allowed inside `async` functions and blocks
-  --> $DIR/incorrect-syntax-suggestions.rs:85:18
+  --> $DIR/incorrect-syntax-suggestions.rs:85:19
    |
 LL | fn foo16() -> Result<(), ()> {
    |    ----- this is not `async`
 LL |     let _ = bar().await?;
-   |                  ^^^^^^ only allowed inside `async` functions and blocks
+   |                   ^^^^^ only allowed inside `async` functions and blocks
 
 error[E0728]: `await` is only allowed inside `async` functions and blocks
-  --> $DIR/incorrect-syntax-suggestions.rs:90:22
+  --> $DIR/incorrect-syntax-suggestions.rs:90:23
    |
 LL |     fn foo() -> Result<(), ()> {
    |        --- this is not `async`
 LL |         let _ = bar().await?;
-   |                      ^^^^^^ only allowed inside `async` functions and blocks
+   |                       ^^^^^ only allowed inside `async` functions and blocks
 
 error[E0728]: `await` is only allowed inside `async` functions and blocks
-  --> $DIR/incorrect-syntax-suggestions.rs:97:22
+  --> $DIR/incorrect-syntax-suggestions.rs:97:23
    |
 LL |     let foo = || {
    |               -- this is not `async`
 LL |         let _ = bar().await?;
-   |                      ^^^^^^ only allowed inside `async` functions and blocks
+   |                       ^^^^^ only allowed inside `async` functions and blocks
 
 error[E0728]: `await` is only allowed inside `async` functions and blocks
-  --> $DIR/incorrect-syntax-suggestions.rs:113:29
+  --> $DIR/incorrect-syntax-suggestions.rs:113:17
    |
 LL |     fn foo() -> Result<(), ()> {
    |        --- this is not `async`
 LL |         let _ = await!(bar())?;
-   |                             ^ only allowed inside `async` functions and blocks
+   |                 ^^^^^ only allowed inside `async` functions and blocks
 
 error[E0728]: `await` is only allowed inside `async` functions and blocks
-  --> $DIR/incorrect-syntax-suggestions.rs:121:29
+  --> $DIR/incorrect-syntax-suggestions.rs:121:17
    |
 LL |     let foo = || {
    |               -- this is not `async`
 LL |         let _ = await!(bar())?;
-   |                             ^ only allowed inside `async` functions and blocks
+   |                 ^^^^^ only allowed inside `async` functions and blocks
 
 error: aborting due to 33 previous errors
 
diff --git a/tests/ui/async-await/clone-suggestion.fixed b/tests/ui/async-await/clone-suggestion.fixed
new file mode 100644
index 00000000000..3514cd63df1
--- /dev/null
+++ b/tests/ui/async-await/clone-suggestion.fixed
@@ -0,0 +1,28 @@
+// edition: 2021
+// run-rustfix
+
+#![allow(unused)]
+
+use std::future::Future;
+use std::pin::Pin;
+use std::task::{Context, Poll};
+
+#[derive(Clone)]
+struct SharedFuture;
+
+impl Future for SharedFuture {
+    type Output = ();
+
+    fn poll(self: Pin<&mut Self>, _: &mut Context<'_>) -> Poll<<Self as Future>::Output> {
+        todo!()
+    }
+}
+
+async fn foo() {
+    let f = SharedFuture;
+    f.clone().await;
+    f.await;
+    //~^ ERROR use of moved value
+}
+
+fn main() {}
diff --git a/tests/ui/async-await/clone-suggestion.rs b/tests/ui/async-await/clone-suggestion.rs
new file mode 100644
index 00000000000..5a4f70cbf44
--- /dev/null
+++ b/tests/ui/async-await/clone-suggestion.rs
@@ -0,0 +1,28 @@
+// edition: 2021
+// run-rustfix
+
+#![allow(unused)]
+
+use std::future::Future;
+use std::pin::Pin;
+use std::task::{Context, Poll};
+
+#[derive(Clone)]
+struct SharedFuture;
+
+impl Future for SharedFuture {
+    type Output = ();
+
+    fn poll(self: Pin<&mut Self>, _: &mut Context<'_>) -> Poll<<Self as Future>::Output> {
+        todo!()
+    }
+}
+
+async fn foo() {
+    let f = SharedFuture;
+    f.await;
+    f.await;
+    //~^ ERROR use of moved value
+}
+
+fn main() {}
diff --git a/tests/ui/async-await/clone-suggestion.stderr b/tests/ui/async-await/clone-suggestion.stderr
new file mode 100644
index 00000000000..c02206f6f9b
--- /dev/null
+++ b/tests/ui/async-await/clone-suggestion.stderr
@@ -0,0 +1,20 @@
+error[E0382]: use of moved value: `f`
+  --> $DIR/clone-suggestion.rs:24:5
+   |
+LL |     let f = SharedFuture;
+   |         - move occurs because `f` has type `SharedFuture`, which does not implement the `Copy` trait
+LL |     f.await;
+   |       ----- `f` moved due to this await
+LL |     f.await;
+   |     ^ value used here after move
+   |
+note: `into_future` takes ownership of the receiver `self`, which moves `f`
+  --> $SRC_DIR/core/src/future/into_future.rs:LL:COL
+help: you can `clone` the value and consume it, but this might not be your desired behavior
+   |
+LL |     f.clone().await;
+   |       ++++++++
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0382`.
diff --git a/tests/ui/async-await/drop-track-bad-field-in-fru.stderr b/tests/ui/async-await/drop-track-bad-field-in-fru.stderr
index 819b64ad77f..07ab8b3c903 100644
--- a/tests/ui/async-await/drop-track-bad-field-in-fru.stderr
+++ b/tests/ui/async-await/drop-track-bad-field-in-fru.stderr
@@ -5,12 +5,12 @@ LL |     None { value: (), ..Default::default() }.await;
    |            ^^^^^ `Option<_>::None` does not have this field
 
 error[E0277]: `Option<_>` is not a future
-  --> $DIR/drop-track-bad-field-in-fru.rs:7:45
+  --> $DIR/drop-track-bad-field-in-fru.rs:7:46
    |
 LL |     None { value: (), ..Default::default() }.await;
-   |                                             ^^^^^^
-   |                                             |
-   |                                             `Option<_>` is not a future
+   |                                             -^^^^^
+   |                                             ||
+   |                                             |`Option<_>` is not a future
    |                                             help: remove the `.await`
    |
    = help: the trait `Future` is not implemented for `Option<_>`
diff --git a/tests/ui/async-await/drop-track-field-assign-nonsend.drop_tracking.stderr b/tests/ui/async-await/drop-track-field-assign-nonsend.drop_tracking.stderr
index e2bba812d05..80402d8424d 100644
--- a/tests/ui/async-await/drop-track-field-assign-nonsend.drop_tracking.stderr
+++ b/tests/ui/async-await/drop-track-field-assign-nonsend.drop_tracking.stderr
@@ -6,13 +6,13 @@ LL |     assert_send(agent.handle());
    |
    = help: within `impl Future<Output = ()>`, the trait `Send` is not implemented for `Rc<String>`
 note: future is not `Send` as this value is used across an await
-  --> $DIR/drop-track-field-assign-nonsend.rs:23:38
+  --> $DIR/drop-track-field-assign-nonsend.rs:23:39
    |
 LL |         let mut info = self.info_result.clone();
    |             -------- has type `InfoResult` which is not `Send`
 ...
 LL |         let _ = send_element(element).await;
-   |                                      ^^^^^^ await occurs here, with `mut info` maybe used later
+   |                                       ^^^^^ await occurs here, with `mut info` maybe used later
 LL |     }
    |     - `mut info` is later dropped here
 note: required by a bound in `assert_send`
diff --git a/tests/ui/async-await/drop-track-field-assign-nonsend.drop_tracking_mir.stderr b/tests/ui/async-await/drop-track-field-assign-nonsend.drop_tracking_mir.stderr
index b89d8680407..d9141cf4e36 100644
--- a/tests/ui/async-await/drop-track-field-assign-nonsend.drop_tracking_mir.stderr
+++ b/tests/ui/async-await/drop-track-field-assign-nonsend.drop_tracking_mir.stderr
@@ -6,13 +6,13 @@ LL |     assert_send(agent.handle());
    |
    = help: within `impl Future<Output = ()>`, the trait `Send` is not implemented for `Rc<String>`
 note: future is not `Send` as this value is used across an await
-  --> $DIR/drop-track-field-assign-nonsend.rs:23:38
+  --> $DIR/drop-track-field-assign-nonsend.rs:23:39
    |
 LL |         let mut info = self.info_result.clone();
    |             -------- has type `InfoResult` which is not `Send`
 ...
 LL |         let _ = send_element(element).await;
-   |                                      ^^^^^^ await occurs here, with `mut info` maybe used later
+   |                                       ^^^^^ await occurs here, with `mut info` maybe used later
 note: required by a bound in `assert_send`
   --> $DIR/drop-track-field-assign-nonsend.rs:40:19
    |
diff --git a/tests/ui/async-await/drop-track-field-assign-nonsend.no_drop_tracking.stderr b/tests/ui/async-await/drop-track-field-assign-nonsend.no_drop_tracking.stderr
index e2bba812d05..80402d8424d 100644
--- a/tests/ui/async-await/drop-track-field-assign-nonsend.no_drop_tracking.stderr
+++ b/tests/ui/async-await/drop-track-field-assign-nonsend.no_drop_tracking.stderr
@@ -6,13 +6,13 @@ LL |     assert_send(agent.handle());
    |
    = help: within `impl Future<Output = ()>`, the trait `Send` is not implemented for `Rc<String>`
 note: future is not `Send` as this value is used across an await
-  --> $DIR/drop-track-field-assign-nonsend.rs:23:38
+  --> $DIR/drop-track-field-assign-nonsend.rs:23:39
    |
 LL |         let mut info = self.info_result.clone();
    |             -------- has type `InfoResult` which is not `Send`
 ...
 LL |         let _ = send_element(element).await;
-   |                                      ^^^^^^ await occurs here, with `mut info` maybe used later
+   |                                       ^^^^^ await occurs here, with `mut info` maybe used later
 LL |     }
    |     - `mut info` is later dropped here
 note: required by a bound in `assert_send`
diff --git a/tests/ui/async-await/field-assign-nonsend.drop_tracking.stderr b/tests/ui/async-await/field-assign-nonsend.drop_tracking.stderr
index ac461a671a8..e2e64c9ae0c 100644
--- a/tests/ui/async-await/field-assign-nonsend.drop_tracking.stderr
+++ b/tests/ui/async-await/field-assign-nonsend.drop_tracking.stderr
@@ -6,13 +6,13 @@ LL |     assert_send(agent.handle());
    |
    = help: within `impl Future<Output = ()>`, the trait `Send` is not implemented for `Rc<String>`
 note: future is not `Send` as this value is used across an await
-  --> $DIR/field-assign-nonsend.rs:23:38
+  --> $DIR/field-assign-nonsend.rs:23:39
    |
 LL |         let mut info = self.info_result.clone();
    |             -------- has type `InfoResult` which is not `Send`
 ...
 LL |         let _ = send_element(element).await;
-   |                                      ^^^^^^ await occurs here, with `mut info` maybe used later
+   |                                       ^^^^^ await occurs here, with `mut info` maybe used later
 LL |     }
    |     - `mut info` is later dropped here
 note: required by a bound in `assert_send`
diff --git a/tests/ui/async-await/field-assign-nonsend.drop_tracking_mir.stderr b/tests/ui/async-await/field-assign-nonsend.drop_tracking_mir.stderr
index 8c9d14d624c..d1df8e91afa 100644
--- a/tests/ui/async-await/field-assign-nonsend.drop_tracking_mir.stderr
+++ b/tests/ui/async-await/field-assign-nonsend.drop_tracking_mir.stderr
@@ -6,13 +6,13 @@ LL |     assert_send(agent.handle());
    |
    = help: within `impl Future<Output = ()>`, the trait `Send` is not implemented for `Rc<String>`
 note: future is not `Send` as this value is used across an await
-  --> $DIR/field-assign-nonsend.rs:23:38
+  --> $DIR/field-assign-nonsend.rs:23:39
    |
 LL |         let mut info = self.info_result.clone();
    |             -------- has type `InfoResult` which is not `Send`
 ...
 LL |         let _ = send_element(element).await;
-   |                                      ^^^^^^ await occurs here, with `mut info` maybe used later
+   |                                       ^^^^^ await occurs here, with `mut info` maybe used later
 note: required by a bound in `assert_send`
   --> $DIR/field-assign-nonsend.rs:40:19
    |
diff --git a/tests/ui/async-await/field-assign-nonsend.no_drop_tracking.stderr b/tests/ui/async-await/field-assign-nonsend.no_drop_tracking.stderr
index ac461a671a8..e2e64c9ae0c 100644
--- a/tests/ui/async-await/field-assign-nonsend.no_drop_tracking.stderr
+++ b/tests/ui/async-await/field-assign-nonsend.no_drop_tracking.stderr
@@ -6,13 +6,13 @@ LL |     assert_send(agent.handle());
    |
    = help: within `impl Future<Output = ()>`, the trait `Send` is not implemented for `Rc<String>`
 note: future is not `Send` as this value is used across an await
-  --> $DIR/field-assign-nonsend.rs:23:38
+  --> $DIR/field-assign-nonsend.rs:23:39
    |
 LL |         let mut info = self.info_result.clone();
    |             -------- has type `InfoResult` which is not `Send`
 ...
 LL |         let _ = send_element(element).await;
-   |                                      ^^^^^^ await occurs here, with `mut info` maybe used later
+   |                                       ^^^^^ await occurs here, with `mut info` maybe used later
 LL |     }
    |     - `mut info` is later dropped here
 note: required by a bound in `assert_send`
diff --git a/tests/ui/async-await/in-trait/async-default-fn-overridden.current.stderr b/tests/ui/async-await/in-trait/async-default-fn-overridden.current.stderr
deleted file mode 100644
index 2142ee232ca..00000000000
--- a/tests/ui/async-await/in-trait/async-default-fn-overridden.current.stderr
+++ /dev/null
@@ -1,11 +0,0 @@
-warning: the feature `async_fn_in_trait` is incomplete and may not be safe to use and/or cause compiler crashes
-  --> $DIR/async-default-fn-overridden.rs:6:12
-   |
-LL | #![feature(async_fn_in_trait)]
-   |            ^^^^^^^^^^^^^^^^^
-   |
-   = note: see issue #91611 <https://github.com/rust-lang/rust/issues/91611> for more information
-   = note: `#[warn(incomplete_features)]` on by default
-
-warning: 1 warning emitted
-
diff --git a/tests/ui/async-await/in-trait/async-default-fn-overridden.next.stderr b/tests/ui/async-await/in-trait/async-default-fn-overridden.next.stderr
deleted file mode 100644
index 2142ee232ca..00000000000
--- a/tests/ui/async-await/in-trait/async-default-fn-overridden.next.stderr
+++ /dev/null
@@ -1,11 +0,0 @@
-warning: the feature `async_fn_in_trait` is incomplete and may not be safe to use and/or cause compiler crashes
-  --> $DIR/async-default-fn-overridden.rs:6:12
-   |
-LL | #![feature(async_fn_in_trait)]
-   |            ^^^^^^^^^^^^^^^^^
-   |
-   = note: see issue #91611 <https://github.com/rust-lang/rust/issues/91611> for more information
-   = note: `#[warn(incomplete_features)]` on by default
-
-warning: 1 warning emitted
-
diff --git a/tests/ui/async-await/in-trait/async-default-fn-overridden.rs b/tests/ui/async-await/in-trait/async-default-fn-overridden.rs
index dd1af93d706..99c3ba6a3c2 100644
--- a/tests/ui/async-await/in-trait/async-default-fn-overridden.rs
+++ b/tests/ui/async-await/in-trait/async-default-fn-overridden.rs
@@ -4,7 +4,6 @@
 // revisions: current next
 
 #![feature(async_fn_in_trait)]
-//~^ WARN the feature `async_fn_in_trait` is incomplete and may not be safe to use
 
 use std::future::Future;
 
diff --git a/tests/ui/async-await/in-trait/bad-signatures.current.stderr b/tests/ui/async-await/in-trait/bad-signatures.current.stderr
index 5a05b080c3e..ae590fb057f 100644
--- a/tests/ui/async-await/in-trait/bad-signatures.current.stderr
+++ b/tests/ui/async-await/in-trait/bad-signatures.current.stderr
@@ -1,11 +1,11 @@
 error: expected identifier, found keyword `self`
-  --> $DIR/bad-signatures.rs:9:23
+  --> $DIR/bad-signatures.rs:8:23
    |
 LL |     async fn bar(&abc self);
    |                       ^^^^ expected identifier, found keyword
 
 error: expected one of `:`, `@`, or `|`, found keyword `self`
-  --> $DIR/bad-signatures.rs:9:23
+  --> $DIR/bad-signatures.rs:8:23
    |
 LL |     async fn bar(&abc self);
    |                  -----^^^^
@@ -13,14 +13,5 @@ LL |     async fn bar(&abc self);
    |                  |    expected one of `:`, `@`, or `|`
    |                  help: declare the type after the parameter binding: `<identifier>: <type>`
 
-warning: the feature `async_fn_in_trait` is incomplete and may not be safe to use and/or cause compiler crashes
-  --> $DIR/bad-signatures.rs:5:12
-   |
-LL | #![feature(async_fn_in_trait)]
-   |            ^^^^^^^^^^^^^^^^^
-   |
-   = note: see issue #91611 <https://github.com/rust-lang/rust/issues/91611> for more information
-   = note: `#[warn(incomplete_features)]` on by default
-
-error: aborting due to 2 previous errors; 1 warning emitted
+error: aborting due to 2 previous errors
 
diff --git a/tests/ui/async-await/in-trait/bad-signatures.next.stderr b/tests/ui/async-await/in-trait/bad-signatures.next.stderr
index 5a05b080c3e..ae590fb057f 100644
--- a/tests/ui/async-await/in-trait/bad-signatures.next.stderr
+++ b/tests/ui/async-await/in-trait/bad-signatures.next.stderr
@@ -1,11 +1,11 @@
 error: expected identifier, found keyword `self`
-  --> $DIR/bad-signatures.rs:9:23
+  --> $DIR/bad-signatures.rs:8:23
    |
 LL |     async fn bar(&abc self);
    |                       ^^^^ expected identifier, found keyword
 
 error: expected one of `:`, `@`, or `|`, found keyword `self`
-  --> $DIR/bad-signatures.rs:9:23
+  --> $DIR/bad-signatures.rs:8:23
    |
 LL |     async fn bar(&abc self);
    |                  -----^^^^
@@ -13,14 +13,5 @@ LL |     async fn bar(&abc self);
    |                  |    expected one of `:`, `@`, or `|`
    |                  help: declare the type after the parameter binding: `<identifier>: <type>`
 
-warning: the feature `async_fn_in_trait` is incomplete and may not be safe to use and/or cause compiler crashes
-  --> $DIR/bad-signatures.rs:5:12
-   |
-LL | #![feature(async_fn_in_trait)]
-   |            ^^^^^^^^^^^^^^^^^
-   |
-   = note: see issue #91611 <https://github.com/rust-lang/rust/issues/91611> for more information
-   = note: `#[warn(incomplete_features)]` on by default
-
-error: aborting due to 2 previous errors; 1 warning emitted
+error: aborting due to 2 previous errors
 
diff --git a/tests/ui/async-await/in-trait/bad-signatures.rs b/tests/ui/async-await/in-trait/bad-signatures.rs
index e0093be8cb3..4baddd8ccb8 100644
--- a/tests/ui/async-await/in-trait/bad-signatures.rs
+++ b/tests/ui/async-await/in-trait/bad-signatures.rs
@@ -3,7 +3,6 @@
 // revisions: current next
 
 #![feature(async_fn_in_trait)]
-//~^ WARN the feature `async_fn_in_trait` is incomplete
 
 trait MyTrait {
     async fn bar(&abc self);
diff --git a/tests/ui/async-await/in-trait/dont-project-to-specializable-projection.current.stderr b/tests/ui/async-await/in-trait/dont-project-to-specializable-projection.current.stderr
index 1e67cdca248..eec5ab06539 100644
--- a/tests/ui/async-await/in-trait/dont-project-to-specializable-projection.current.stderr
+++ b/tests/ui/async-await/in-trait/dont-project-to-specializable-projection.current.stderr
@@ -1,12 +1,3 @@
-warning: the feature `async_fn_in_trait` is incomplete and may not be safe to use and/or cause compiler crashes
-  --> $DIR/dont-project-to-specializable-projection.rs:6:12
-   |
-LL | #![feature(async_fn_in_trait)]
-   |            ^^^^^^^^^^^^^^^^^
-   |
-   = note: see issue #91611 <https://github.com/rust-lang/rust/issues/91611> for more information
-   = note: `#[warn(incomplete_features)]` on by default
-
 error: async associated function in trait cannot be specialized
   --> $DIR/dont-project-to-specializable-projection.rs:16:5
    |
@@ -15,5 +6,5 @@ LL |     default async fn foo(_: T) -> &'static str {
    |
    = note: specialization behaves in inconsistent and surprising ways with `#![feature(async_fn_in_trait)]`, and for now is disallowed
 
-error: aborting due to previous error; 1 warning emitted
+error: aborting due to previous error
 
diff --git a/tests/ui/async-await/in-trait/dont-project-to-specializable-projection.next.stderr b/tests/ui/async-await/in-trait/dont-project-to-specializable-projection.next.stderr
index fa89c6b77e0..25a7f3bb56a 100644
--- a/tests/ui/async-await/in-trait/dont-project-to-specializable-projection.next.stderr
+++ b/tests/ui/async-await/in-trait/dont-project-to-specializable-projection.next.stderr
@@ -1,12 +1,3 @@
-warning: the feature `async_fn_in_trait` is incomplete and may not be safe to use and/or cause compiler crashes
-  --> $DIR/dont-project-to-specializable-projection.rs:6:12
-   |
-LL | #![feature(async_fn_in_trait)]
-   |            ^^^^^^^^^^^^^^^^^
-   |
-   = note: see issue #91611 <https://github.com/rust-lang/rust/issues/91611> for more information
-   = note: `#[warn(incomplete_features)]` on by default
-
 error[E0053]: method `foo` has an incompatible type for trait
   --> $DIR/dont-project-to-specializable-projection.rs:16:35
    |
@@ -29,6 +20,6 @@ LL |     default async fn foo(_: T) -> &'static str {
    |
    = note: specialization behaves in inconsistent and surprising ways with `#![feature(async_fn_in_trait)]`, and for now is disallowed
 
-error: aborting due to 2 previous errors; 1 warning emitted
+error: aborting due to 2 previous errors
 
 For more information about this error, try `rustc --explain E0053`.
diff --git a/tests/ui/async-await/in-trait/lifetime-mismatch.current.stderr b/tests/ui/async-await/in-trait/lifetime-mismatch.current.stderr
index 0e9477544a4..69e7c65ee3e 100644
--- a/tests/ui/async-await/in-trait/lifetime-mismatch.current.stderr
+++ b/tests/ui/async-await/in-trait/lifetime-mismatch.current.stderr
@@ -1,14 +1,5 @@
-warning: the feature `async_fn_in_trait` is incomplete and may not be safe to use and/or cause compiler crashes
-  --> $DIR/lifetime-mismatch.rs:5:12
-   |
-LL | #![feature(async_fn_in_trait)]
-   |            ^^^^^^^^^^^^^^^^^
-   |
-   = note: see issue #91611 <https://github.com/rust-lang/rust/issues/91611> for more information
-   = note: `#[warn(incomplete_features)]` on by default
-
 error[E0195]: lifetime parameters or bounds on method `foo` do not match the trait declaration
-  --> $DIR/lifetime-mismatch.rs:14:17
+  --> $DIR/lifetime-mismatch.rs:13:17
    |
 LL |     async fn foo<'a>(&self);
    |                 ---- lifetimes in impl do not match this method in trait
@@ -16,6 +7,6 @@ LL |     async fn foo<'a>(&self);
 LL |     async fn foo(&self) {}
    |                 ^ lifetimes do not match method in trait
 
-error: aborting due to previous error; 1 warning emitted
+error: aborting due to previous error
 
 For more information about this error, try `rustc --explain E0195`.
diff --git a/tests/ui/async-await/in-trait/lifetime-mismatch.next.stderr b/tests/ui/async-await/in-trait/lifetime-mismatch.next.stderr
index 0e9477544a4..69e7c65ee3e 100644
--- a/tests/ui/async-await/in-trait/lifetime-mismatch.next.stderr
+++ b/tests/ui/async-await/in-trait/lifetime-mismatch.next.stderr
@@ -1,14 +1,5 @@
-warning: the feature `async_fn_in_trait` is incomplete and may not be safe to use and/or cause compiler crashes
-  --> $DIR/lifetime-mismatch.rs:5:12
-   |
-LL | #![feature(async_fn_in_trait)]
-   |            ^^^^^^^^^^^^^^^^^
-   |
-   = note: see issue #91611 <https://github.com/rust-lang/rust/issues/91611> for more information
-   = note: `#[warn(incomplete_features)]` on by default
-
 error[E0195]: lifetime parameters or bounds on method `foo` do not match the trait declaration
-  --> $DIR/lifetime-mismatch.rs:14:17
+  --> $DIR/lifetime-mismatch.rs:13:17
    |
 LL |     async fn foo<'a>(&self);
    |                 ---- lifetimes in impl do not match this method in trait
@@ -16,6 +7,6 @@ LL |     async fn foo<'a>(&self);
 LL |     async fn foo(&self) {}
    |                 ^ lifetimes do not match method in trait
 
-error: aborting due to previous error; 1 warning emitted
+error: aborting due to previous error
 
 For more information about this error, try `rustc --explain E0195`.
diff --git a/tests/ui/async-await/in-trait/lifetime-mismatch.rs b/tests/ui/async-await/in-trait/lifetime-mismatch.rs
index 5ff5a01a1ee..46183f72bce 100644
--- a/tests/ui/async-await/in-trait/lifetime-mismatch.rs
+++ b/tests/ui/async-await/in-trait/lifetime-mismatch.rs
@@ -3,7 +3,6 @@
 // revisions: current next
 
 #![feature(async_fn_in_trait)]
-//~^ WARN the feature `async_fn_in_trait` is incomplete and may not be safe to use and/or cause compiler crashes
 
 trait MyTrait {
     async fn foo<'a>(&self);
diff --git a/tests/ui/async-await/in-trait/missing-send-bound.current.stderr b/tests/ui/async-await/in-trait/missing-send-bound.current.stderr
index 319ed582e27..9aa37f7437e 100644
--- a/tests/ui/async-await/in-trait/missing-send-bound.current.stderr
+++ b/tests/ui/async-await/in-trait/missing-send-bound.current.stderr
@@ -1,29 +1,20 @@
-warning: the feature `async_fn_in_trait` is incomplete and may not be safe to use and/or cause compiler crashes
-  --> $DIR/missing-send-bound.rs:5:12
-   |
-LL | #![feature(async_fn_in_trait)]
-   |            ^^^^^^^^^^^^^^^^^
-   |
-   = note: see issue #91611 <https://github.com/rust-lang/rust/issues/91611> for more information
-   = note: `#[warn(incomplete_features)]` on by default
-
 error: future cannot be sent between threads safely
-  --> $DIR/missing-send-bound.rs:17:20
+  --> $DIR/missing-send-bound.rs:16:20
    |
 LL |     assert_is_send(test::<T>());
    |                    ^^^^^^^^^^^ future returned by `test` is not `Send`
    |
    = help: within `impl Future<Output = ()>`, the trait `Send` is not implemented for `impl Future<Output = ()>`
 note: future is not `Send` as it awaits another future which is not `Send`
-  --> $DIR/missing-send-bound.rs:13:5
+  --> $DIR/missing-send-bound.rs:12:5
    |
 LL |     T::bar().await;
    |     ^^^^^^^^ await occurs here on type `impl Future<Output = ()>`, which is not `Send`
 note: required by a bound in `assert_is_send`
-  --> $DIR/missing-send-bound.rs:21:27
+  --> $DIR/missing-send-bound.rs:20:27
    |
 LL | fn assert_is_send(_: impl Send) {}
    |                           ^^^^ required by this bound in `assert_is_send`
 
-error: aborting due to previous error; 1 warning emitted
+error: aborting due to previous error
 
diff --git a/tests/ui/async-await/in-trait/missing-send-bound.next.stderr b/tests/ui/async-await/in-trait/missing-send-bound.next.stderr
index 319ed582e27..9aa37f7437e 100644
--- a/tests/ui/async-await/in-trait/missing-send-bound.next.stderr
+++ b/tests/ui/async-await/in-trait/missing-send-bound.next.stderr
@@ -1,29 +1,20 @@
-warning: the feature `async_fn_in_trait` is incomplete and may not be safe to use and/or cause compiler crashes
-  --> $DIR/missing-send-bound.rs:5:12
-   |
-LL | #![feature(async_fn_in_trait)]
-   |            ^^^^^^^^^^^^^^^^^
-   |
-   = note: see issue #91611 <https://github.com/rust-lang/rust/issues/91611> for more information
-   = note: `#[warn(incomplete_features)]` on by default
-
 error: future cannot be sent between threads safely
-  --> $DIR/missing-send-bound.rs:17:20
+  --> $DIR/missing-send-bound.rs:16:20
    |
 LL |     assert_is_send(test::<T>());
    |                    ^^^^^^^^^^^ future returned by `test` is not `Send`
    |
    = help: within `impl Future<Output = ()>`, the trait `Send` is not implemented for `impl Future<Output = ()>`
 note: future is not `Send` as it awaits another future which is not `Send`
-  --> $DIR/missing-send-bound.rs:13:5
+  --> $DIR/missing-send-bound.rs:12:5
    |
 LL |     T::bar().await;
    |     ^^^^^^^^ await occurs here on type `impl Future<Output = ()>`, which is not `Send`
 note: required by a bound in `assert_is_send`
-  --> $DIR/missing-send-bound.rs:21:27
+  --> $DIR/missing-send-bound.rs:20:27
    |
 LL | fn assert_is_send(_: impl Send) {}
    |                           ^^^^ required by this bound in `assert_is_send`
 
-error: aborting due to previous error; 1 warning emitted
+error: aborting due to previous error
 
diff --git a/tests/ui/async-await/in-trait/missing-send-bound.rs b/tests/ui/async-await/in-trait/missing-send-bound.rs
index 705fcf322f9..b602865cbb1 100644
--- a/tests/ui/async-await/in-trait/missing-send-bound.rs
+++ b/tests/ui/async-await/in-trait/missing-send-bound.rs
@@ -3,7 +3,6 @@
 // revisions: current next
 
 #![feature(async_fn_in_trait)]
-//~^ WARN the feature `async_fn_in_trait` is incomplete and may not be safe to use and/or cause compiler crashes
 
 trait Foo {
     async fn bar();
diff --git a/tests/ui/async-await/in-trait/object-safety.current.stderr b/tests/ui/async-await/in-trait/object-safety.current.stderr
index 90e049a9960..7f7ec39142c 100644
--- a/tests/ui/async-await/in-trait/object-safety.current.stderr
+++ b/tests/ui/async-await/in-trait/object-safety.current.stderr
@@ -1,20 +1,11 @@
-warning: the feature `async_fn_in_trait` is incomplete and may not be safe to use and/or cause compiler crashes
-  --> $DIR/object-safety.rs:5:12
-   |
-LL | #![feature(async_fn_in_trait)]
-   |            ^^^^^^^^^^^^^^^^^
-   |
-   = note: see issue #91611 <https://github.com/rust-lang/rust/issues/91611> for more information
-   = note: `#[warn(incomplete_features)]` on by default
-
 error[E0038]: the trait `Foo` cannot be made into an object
-  --> $DIR/object-safety.rs:13:12
+  --> $DIR/object-safety.rs:12:12
    |
 LL |     let x: &dyn Foo = todo!();
    |            ^^^^^^^^ `Foo` cannot be made into an object
    |
 note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
-  --> $DIR/object-safety.rs:9:14
+  --> $DIR/object-safety.rs:8:14
    |
 LL | trait Foo {
    |       --- this trait cannot be made into an object...
@@ -22,6 +13,6 @@ LL |     async fn foo(&self);
    |              ^^^ ...because method `foo` is `async`
    = help: consider moving `foo` to another trait
 
-error: aborting due to previous error; 1 warning emitted
+error: aborting due to previous error
 
 For more information about this error, try `rustc --explain E0038`.
diff --git a/tests/ui/async-await/in-trait/object-safety.next.stderr b/tests/ui/async-await/in-trait/object-safety.next.stderr
index 90e049a9960..7f7ec39142c 100644
--- a/tests/ui/async-await/in-trait/object-safety.next.stderr
+++ b/tests/ui/async-await/in-trait/object-safety.next.stderr
@@ -1,20 +1,11 @@
-warning: the feature `async_fn_in_trait` is incomplete and may not be safe to use and/or cause compiler crashes
-  --> $DIR/object-safety.rs:5:12
-   |
-LL | #![feature(async_fn_in_trait)]
-   |            ^^^^^^^^^^^^^^^^^
-   |
-   = note: see issue #91611 <https://github.com/rust-lang/rust/issues/91611> for more information
-   = note: `#[warn(incomplete_features)]` on by default
-
 error[E0038]: the trait `Foo` cannot be made into an object
-  --> $DIR/object-safety.rs:13:12
+  --> $DIR/object-safety.rs:12:12
    |
 LL |     let x: &dyn Foo = todo!();
    |            ^^^^^^^^ `Foo` cannot be made into an object
    |
 note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
-  --> $DIR/object-safety.rs:9:14
+  --> $DIR/object-safety.rs:8:14
    |
 LL | trait Foo {
    |       --- this trait cannot be made into an object...
@@ -22,6 +13,6 @@ LL |     async fn foo(&self);
    |              ^^^ ...because method `foo` is `async`
    = help: consider moving `foo` to another trait
 
-error: aborting due to previous error; 1 warning emitted
+error: aborting due to previous error
 
 For more information about this error, try `rustc --explain E0038`.
diff --git a/tests/ui/async-await/in-trait/object-safety.rs b/tests/ui/async-await/in-trait/object-safety.rs
index f67286a20a2..4edad1512e9 100644
--- a/tests/ui/async-await/in-trait/object-safety.rs
+++ b/tests/ui/async-await/in-trait/object-safety.rs
@@ -3,7 +3,6 @@
 // revisions: current next
 
 #![feature(async_fn_in_trait)]
-//~^ WARN the feature `async_fn_in_trait` is incomplete and may not be safe to use and/or cause compiler crashes
 
 trait Foo {
     async fn foo(&self);
diff --git a/tests/ui/async-await/in-trait/return-type-suggestion.current.stderr b/tests/ui/async-await/in-trait/return-type-suggestion.current.stderr
index a5efc757156..6a107d7beb8 100644
--- a/tests/ui/async-await/in-trait/return-type-suggestion.current.stderr
+++ b/tests/ui/async-await/in-trait/return-type-suggestion.current.stderr
@@ -1,14 +1,5 @@
-warning: the feature `async_fn_in_trait` is incomplete and may not be safe to use and/or cause compiler crashes
-  --> $DIR/return-type-suggestion.rs:5:12
-   |
-LL | #![feature(async_fn_in_trait)]
-   |            ^^^^^^^^^^^^^^^^^
-   |
-   = note: see issue #91611 <https://github.com/rust-lang/rust/issues/91611> for more information
-   = note: `#[warn(incomplete_features)]` on by default
-
 error[E0308]: mismatched types
-  --> $DIR/return-type-suggestion.rs:10:9
+  --> $DIR/return-type-suggestion.rs:9:9
    |
 LL |         Ok(())
    |         ^^^^^^- help: consider using a semicolon here: `;`
@@ -18,6 +9,6 @@ LL |         Ok(())
    = note: expected unit type `()`
                    found enum `Result<(), _>`
 
-error: aborting due to previous error; 1 warning emitted
+error: aborting due to previous error
 
 For more information about this error, try `rustc --explain E0308`.
diff --git a/tests/ui/async-await/in-trait/return-type-suggestion.next.stderr b/tests/ui/async-await/in-trait/return-type-suggestion.next.stderr
index a5efc757156..6a107d7beb8 100644
--- a/tests/ui/async-await/in-trait/return-type-suggestion.next.stderr
+++ b/tests/ui/async-await/in-trait/return-type-suggestion.next.stderr
@@ -1,14 +1,5 @@
-warning: the feature `async_fn_in_trait` is incomplete and may not be safe to use and/or cause compiler crashes
-  --> $DIR/return-type-suggestion.rs:5:12
-   |
-LL | #![feature(async_fn_in_trait)]
-   |            ^^^^^^^^^^^^^^^^^
-   |
-   = note: see issue #91611 <https://github.com/rust-lang/rust/issues/91611> for more information
-   = note: `#[warn(incomplete_features)]` on by default
-
 error[E0308]: mismatched types
-  --> $DIR/return-type-suggestion.rs:10:9
+  --> $DIR/return-type-suggestion.rs:9:9
    |
 LL |         Ok(())
    |         ^^^^^^- help: consider using a semicolon here: `;`
@@ -18,6 +9,6 @@ LL |         Ok(())
    = note: expected unit type `()`
                    found enum `Result<(), _>`
 
-error: aborting due to previous error; 1 warning emitted
+error: aborting due to previous error
 
 For more information about this error, try `rustc --explain E0308`.
diff --git a/tests/ui/async-await/in-trait/return-type-suggestion.rs b/tests/ui/async-await/in-trait/return-type-suggestion.rs
index 3de66306d9a..d63bccefa9f 100644
--- a/tests/ui/async-await/in-trait/return-type-suggestion.rs
+++ b/tests/ui/async-await/in-trait/return-type-suggestion.rs
@@ -3,7 +3,6 @@
 // revisions: current next
 
 #![feature(async_fn_in_trait)]
-//~^ WARN the feature `async_fn_in_trait` is incomplete and may not be safe to use and/or cause compiler crashes
 
 trait A {
     async fn e() {
diff --git a/tests/ui/async-await/issue-101715.stderr b/tests/ui/async-await/issue-101715.stderr
index a0e8d2a8943..d161fb0c05e 100644
--- a/tests/ui/async-await/issue-101715.stderr
+++ b/tests/ui/async-await/issue-101715.stderr
@@ -1,10 +1,10 @@
 error[E0277]: `()` is not a future
-  --> $DIR/issue-101715.rs:11:9
+  --> $DIR/issue-101715.rs:11:10
    |
 LL |         .await
-   |         ^^^^^^
-   |         |
-   |         `()` is not a future
+   |         -^^^^^
+   |         ||
+   |         |`()` is not a future
    |         help: remove the `.await`
    |
    = help: the trait `Future` is not implemented for `()`
diff --git a/tests/ui/async-await/issue-64130-1-sync.drop_tracking.stderr b/tests/ui/async-await/issue-64130-1-sync.drop_tracking.stderr
index c4c7f26c7c7..56aa035f44b 100644
--- a/tests/ui/async-await/issue-64130-1-sync.drop_tracking.stderr
+++ b/tests/ui/async-await/issue-64130-1-sync.drop_tracking.stderr
@@ -6,12 +6,12 @@ LL |     is_sync(bar());
    |
    = help: within `impl Future<Output = ()>`, the trait `Sync` is not implemented for `Foo`
 note: future is not `Sync` as this value is used across an await
-  --> $DIR/issue-64130-1-sync.rs:18:10
+  --> $DIR/issue-64130-1-sync.rs:18:11
    |
 LL |     let x = Foo;
    |         - has type `Foo` which is not `Sync`
 LL |     baz().await;
-   |          ^^^^^^ await occurs here, with `x` maybe used later
+   |           ^^^^^ await occurs here, with `x` maybe used later
 LL |     drop(x);
 LL | }
    | - `x` is later dropped here
diff --git a/tests/ui/async-await/issue-64130-1-sync.drop_tracking_mir.stderr b/tests/ui/async-await/issue-64130-1-sync.drop_tracking_mir.stderr
index 6f43b568a7a..ea1bfb9f9ac 100644
--- a/tests/ui/async-await/issue-64130-1-sync.drop_tracking_mir.stderr
+++ b/tests/ui/async-await/issue-64130-1-sync.drop_tracking_mir.stderr
@@ -6,12 +6,12 @@ LL |     is_sync(bar());
    |
    = help: within `impl Future<Output = ()>`, the trait `Sync` is not implemented for `Foo`
 note: future is not `Sync` as this value is used across an await
-  --> $DIR/issue-64130-1-sync.rs:18:10
+  --> $DIR/issue-64130-1-sync.rs:18:11
    |
 LL |     let x = Foo;
    |         - has type `Foo` which is not `Sync`
 LL |     baz().await;
-   |          ^^^^^^ await occurs here, with `x` maybe used later
+   |           ^^^^^ await occurs here, with `x` maybe used later
 note: required by a bound in `is_sync`
   --> $DIR/issue-64130-1-sync.rs:14:15
    |
diff --git a/tests/ui/async-await/issue-64130-1-sync.no_drop_tracking.stderr b/tests/ui/async-await/issue-64130-1-sync.no_drop_tracking.stderr
index c4c7f26c7c7..56aa035f44b 100644
--- a/tests/ui/async-await/issue-64130-1-sync.no_drop_tracking.stderr
+++ b/tests/ui/async-await/issue-64130-1-sync.no_drop_tracking.stderr
@@ -6,12 +6,12 @@ LL |     is_sync(bar());
    |
    = help: within `impl Future<Output = ()>`, the trait `Sync` is not implemented for `Foo`
 note: future is not `Sync` as this value is used across an await
-  --> $DIR/issue-64130-1-sync.rs:18:10
+  --> $DIR/issue-64130-1-sync.rs:18:11
    |
 LL |     let x = Foo;
    |         - has type `Foo` which is not `Sync`
 LL |     baz().await;
-   |          ^^^^^^ await occurs here, with `x` maybe used later
+   |           ^^^^^ await occurs here, with `x` maybe used later
 LL |     drop(x);
 LL | }
    | - `x` is later dropped here
diff --git a/tests/ui/async-await/issue-64130-1-sync.stderr b/tests/ui/async-await/issue-64130-1-sync.stderr
deleted file mode 100644
index 8d5169a6302..00000000000
--- a/tests/ui/async-await/issue-64130-1-sync.stderr
+++ /dev/null
@@ -1,24 +0,0 @@
-error: future cannot be shared between threads safely
-  --> $DIR/issue-64130-1-sync.rs:24:13
-   |
-LL |     is_sync(bar());
-   |             ^^^^^ future returned by `bar` is not `Sync`
-   |
-   = help: within `impl Future<Output = ()>`, the trait `Sync` is not implemented for `Foo`
-note: future is not `Sync` as this value is used across an await
-  --> $DIR/issue-64130-1-sync.rs:18:10
-   |
-LL |     let x = Foo;
-   |         - has type `Foo` which is not `Sync`
-LL |     baz().await;
-   |          ^^^^^^ await occurs here, with `x` maybe used later
-LL | }
-   | - `x` is later dropped here
-note: required by a bound in `is_sync`
-  --> $DIR/issue-64130-1-sync.rs:14:15
-   |
-LL | fn is_sync<T: Sync>(t: T) { }
-   |               ^^^^ required by this bound in `is_sync`
-
-error: aborting due to previous error
-
diff --git a/tests/ui/async-await/issue-64130-2-send.drop_tracking.stderr b/tests/ui/async-await/issue-64130-2-send.drop_tracking.stderr
index b6a73c2a5cb..d1717ad3310 100644
--- a/tests/ui/async-await/issue-64130-2-send.drop_tracking.stderr
+++ b/tests/ui/async-await/issue-64130-2-send.drop_tracking.stderr
@@ -6,12 +6,12 @@ LL |     is_send(bar());
    |
    = note: the trait bound `Unique<Foo>: Send` is not satisfied
 note: future is not `Send` as this value is used across an await
-  --> $DIR/issue-64130-2-send.rs:18:10
+  --> $DIR/issue-64130-2-send.rs:18:11
    |
 LL |     let x = Box::new(Foo);
    |         - has type `Box<Foo>` which is not `Send`
 LL |     baz().await;
-   |          ^^^^^^ await occurs here, with `x` maybe used later
+   |           ^^^^^ await occurs here, with `x` maybe used later
 LL | }
    | - `x` is later dropped here
 note: required by a bound in `is_send`
diff --git a/tests/ui/async-await/issue-64130-2-send.drop_tracking_mir.stderr b/tests/ui/async-await/issue-64130-2-send.drop_tracking_mir.stderr
index 560560f6036..45e43525a20 100644
--- a/tests/ui/async-await/issue-64130-2-send.drop_tracking_mir.stderr
+++ b/tests/ui/async-await/issue-64130-2-send.drop_tracking_mir.stderr
@@ -6,12 +6,12 @@ LL |     is_send(bar());
    |
    = note: the trait bound `Unique<Foo>: Send` is not satisfied
 note: future is not `Send` as this value is used across an await
-  --> $DIR/issue-64130-2-send.rs:18:10
+  --> $DIR/issue-64130-2-send.rs:18:11
    |
 LL |     let x = Box::new(Foo);
    |         - has type `Box<Foo>` which is not `Send`
 LL |     baz().await;
-   |          ^^^^^^ await occurs here, with `x` maybe used later
+   |           ^^^^^ await occurs here, with `x` maybe used later
 note: required by a bound in `is_send`
   --> $DIR/issue-64130-2-send.rs:14:15
    |
diff --git a/tests/ui/async-await/issue-64130-2-send.no_drop_tracking.stderr b/tests/ui/async-await/issue-64130-2-send.no_drop_tracking.stderr
index b6a73c2a5cb..d1717ad3310 100644
--- a/tests/ui/async-await/issue-64130-2-send.no_drop_tracking.stderr
+++ b/tests/ui/async-await/issue-64130-2-send.no_drop_tracking.stderr
@@ -6,12 +6,12 @@ LL |     is_send(bar());
    |
    = note: the trait bound `Unique<Foo>: Send` is not satisfied
 note: future is not `Send` as this value is used across an await
-  --> $DIR/issue-64130-2-send.rs:18:10
+  --> $DIR/issue-64130-2-send.rs:18:11
    |
 LL |     let x = Box::new(Foo);
    |         - has type `Box<Foo>` which is not `Send`
 LL |     baz().await;
-   |          ^^^^^^ await occurs here, with `x` maybe used later
+   |           ^^^^^ await occurs here, with `x` maybe used later
 LL | }
    | - `x` is later dropped here
 note: required by a bound in `is_send`
diff --git a/tests/ui/async-await/issue-64130-2-send.stderr b/tests/ui/async-await/issue-64130-2-send.stderr
deleted file mode 100644
index f6505cad69e..00000000000
--- a/tests/ui/async-await/issue-64130-2-send.stderr
+++ /dev/null
@@ -1,24 +0,0 @@
-error: future cannot be sent between threads safely
-  --> $DIR/issue-64130-2-send.rs:24:13
-   |
-LL |     is_send(bar());
-   |             ^^^^^ future returned by `bar` is not `Send`
-   |
-   = help: within `impl Future<Output = ()>`, the trait `Send` is not implemented for `Foo`
-note: future is not `Send` as this value is used across an await
-  --> $DIR/issue-64130-2-send.rs:18:10
-   |
-LL |     let x = Foo;
-   |         - has type `Foo` which is not `Send`
-LL |     baz().await;
-   |          ^^^^^^ await occurs here, with `x` maybe used later
-LL | }
-   | - `x` is later dropped here
-note: required by a bound in `is_send`
-  --> $DIR/issue-64130-2-send.rs:14:15
-   |
-LL | fn is_send<T: Send>(t: T) { }
-   |               ^^^^ required by this bound in `is_send`
-
-error: aborting due to previous error
-
diff --git a/tests/ui/async-await/issue-64130-3-other.drop_tracking.stderr b/tests/ui/async-await/issue-64130-3-other.drop_tracking.stderr
index d65aae8cc3f..b69f06da1cd 100644
--- a/tests/ui/async-await/issue-64130-3-other.drop_tracking.stderr
+++ b/tests/ui/async-await/issue-64130-3-other.drop_tracking.stderr
@@ -8,12 +8,12 @@ LL |     is_qux(bar());
    |            ^^^^^ within `impl Future<Output = ()>`, the trait `Qux` is not implemented for `Foo`
    |
 note: future does not implement `Qux` as this value is used across an await
-  --> $DIR/issue-64130-3-other.rs:21:10
+  --> $DIR/issue-64130-3-other.rs:21:11
    |
 LL |     let x = Box::new(Foo);
    |         - has type `Box<Foo>` which does not implement `Qux`
 LL |     baz().await;
-   |          ^^^^^^ await occurs here, with `x` maybe used later
+   |           ^^^^^ await occurs here, with `x` maybe used later
 LL | }
    | - `x` is later dropped here
 note: required by a bound in `is_qux`
diff --git a/tests/ui/async-await/issue-64130-3-other.drop_tracking_mir.stderr b/tests/ui/async-await/issue-64130-3-other.drop_tracking_mir.stderr
index 8fed69d9d88..1298371241c 100644
--- a/tests/ui/async-await/issue-64130-3-other.drop_tracking_mir.stderr
+++ b/tests/ui/async-await/issue-64130-3-other.drop_tracking_mir.stderr
@@ -8,12 +8,12 @@ LL |     is_qux(bar());
    |            ^^^^^ within `impl Future<Output = ()>`, the trait `Qux` is not implemented for `Foo`
    |
 note: future does not implement `Qux` as this value is used across an await
-  --> $DIR/issue-64130-3-other.rs:21:10
+  --> $DIR/issue-64130-3-other.rs:21:11
    |
 LL |     let x = Box::new(Foo);
    |         - has type `Box<Foo>` which does not implement `Qux`
 LL |     baz().await;
-   |          ^^^^^^ await occurs here, with `x` maybe used later
+   |           ^^^^^ await occurs here, with `x` maybe used later
 note: required by a bound in `is_qux`
   --> $DIR/issue-64130-3-other.rs:17:14
    |
diff --git a/tests/ui/async-await/issue-64130-3-other.no_drop_tracking.stderr b/tests/ui/async-await/issue-64130-3-other.no_drop_tracking.stderr
index d65aae8cc3f..b69f06da1cd 100644
--- a/tests/ui/async-await/issue-64130-3-other.no_drop_tracking.stderr
+++ b/tests/ui/async-await/issue-64130-3-other.no_drop_tracking.stderr
@@ -8,12 +8,12 @@ LL |     is_qux(bar());
    |            ^^^^^ within `impl Future<Output = ()>`, the trait `Qux` is not implemented for `Foo`
    |
 note: future does not implement `Qux` as this value is used across an await
-  --> $DIR/issue-64130-3-other.rs:21:10
+  --> $DIR/issue-64130-3-other.rs:21:11
    |
 LL |     let x = Box::new(Foo);
    |         - has type `Box<Foo>` which does not implement `Qux`
 LL |     baz().await;
-   |          ^^^^^^ await occurs here, with `x` maybe used later
+   |           ^^^^^ await occurs here, with `x` maybe used later
 LL | }
    | - `x` is later dropped here
 note: required by a bound in `is_qux`
diff --git a/tests/ui/async-await/issue-64130-3-other.stderr b/tests/ui/async-await/issue-64130-3-other.stderr
deleted file mode 100644
index cb36a3811b2..00000000000
--- a/tests/ui/async-await/issue-64130-3-other.stderr
+++ /dev/null
@@ -1,27 +0,0 @@
-error[E0277]: the trait bound `Foo: Qux` is not satisfied in `impl Future<Output = ()>`
-  --> $DIR/issue-64130-3-other.rs:27:12
-   |
-LL | async fn bar() {
-   |                - within this `impl Future<Output = ()>`
-...
-LL |     is_qux(bar());
-   |            ^^^^^ within `impl Future<Output = ()>`, the trait `Qux` is not implemented for `Foo`
-   |
-note: future does not implement `Qux` as this value is used across an await
-  --> $DIR/issue-64130-3-other.rs:21:10
-   |
-LL |     let x = Foo;
-   |         - has type `Foo` which does not implement `Qux`
-LL |     baz().await;
-   |          ^^^^^^ await occurs here, with `x` maybe used later
-LL | }
-   | - `x` is later dropped here
-note: required by a bound in `is_qux`
-  --> $DIR/issue-64130-3-other.rs:17:14
-   |
-LL | fn is_qux<T: Qux>(t: T) {}
-   |              ^^^ required by this bound in `is_qux`
-
-error: aborting due to previous error
-
-For more information about this error, try `rustc --explain E0277`.
diff --git a/tests/ui/async-await/issue-64130-4-async-move.no_drop_tracking.stderr b/tests/ui/async-await/issue-64130-4-async-move.no_drop_tracking.stderr
index 0bc7cb2f2ac..4b575a3d3b4 100644
--- a/tests/ui/async-await/issue-64130-4-async-move.no_drop_tracking.stderr
+++ b/tests/ui/async-await/issue-64130-4-async-move.no_drop_tracking.stderr
@@ -6,13 +6,13 @@ LL | pub fn foo() -> impl Future + Send {
    |
    = help: the trait `Sync` is not implemented for `(dyn Any + Send + 'static)`
 note: future is not `Send` as this value is used across an await
-  --> $DIR/issue-64130-4-async-move.rs:27:31
+  --> $DIR/issue-64130-4-async-move.rs:27:32
    |
 LL |         match client.status() {
    |               ------ has type `&Client` which is not `Send`
 LL |             200 => {
 LL |                 let _x = get().await;
-   |                               ^^^^^^ await occurs here, with `client` maybe used later
+   |                                ^^^^^ await occurs here, with `client` maybe used later
 ...
 LL |     }
    |     - `client` is later dropped here
diff --git a/tests/ui/async-await/issue-64130-non-send-future-diags.stderr b/tests/ui/async-await/issue-64130-non-send-future-diags.stderr
index 1da80d98bf8..e044e2ca011 100644
--- a/tests/ui/async-await/issue-64130-non-send-future-diags.stderr
+++ b/tests/ui/async-await/issue-64130-non-send-future-diags.stderr
@@ -6,12 +6,12 @@ LL |     is_send(foo());
    |
    = help: within `impl Future<Output = ()>`, the trait `Send` is not implemented for `MutexGuard<'_, u32>`
 note: future is not `Send` as this value is used across an await
-  --> $DIR/issue-64130-non-send-future-diags.rs:17:10
+  --> $DIR/issue-64130-non-send-future-diags.rs:17:11
    |
 LL |     let g = x.lock().unwrap();
    |         - has type `MutexGuard<'_, u32>` which is not `Send`
 LL |     baz().await;
-   |          ^^^^^^ await occurs here, with `g` maybe used later
+   |           ^^^^^ await occurs here, with `g` maybe used later
 LL | }
    | - `g` is later dropped here
 note: required by a bound in `is_send`
diff --git a/tests/ui/async-await/issue-67252-unnamed-future.drop_tracking.stderr b/tests/ui/async-await/issue-67252-unnamed-future.drop_tracking.stderr
index fc8bcc8ae79..fa22298658b 100644
--- a/tests/ui/async-await/issue-67252-unnamed-future.drop_tracking.stderr
+++ b/tests/ui/async-await/issue-67252-unnamed-future.drop_tracking.stderr
@@ -11,12 +11,12 @@ LL | |     });
    |
    = help: within `[async block@$DIR/issue-67252-unnamed-future.rs:21:11: 25:6]`, the trait `Send` is not implemented for `*mut ()`
 note: future is not `Send` as this value is used across an await
-  --> $DIR/issue-67252-unnamed-future.rs:23:16
+  --> $DIR/issue-67252-unnamed-future.rs:23:17
    |
 LL |         let a = std::ptr::null_mut::<()>(); // `*mut ()` is not `Send`
    |             - has type `*mut ()` which is not `Send`
 LL |         AFuture.await;
-   |                ^^^^^^ await occurs here, with `a` maybe used later
+   |                 ^^^^^ await occurs here, with `a` maybe used later
 LL |         drop(a);
 LL |     });
    |     - `a` is later dropped here
diff --git a/tests/ui/async-await/issue-67252-unnamed-future.drop_tracking_mir.stderr b/tests/ui/async-await/issue-67252-unnamed-future.drop_tracking_mir.stderr
index a3ef7add116..8cf7bb8d917 100644
--- a/tests/ui/async-await/issue-67252-unnamed-future.drop_tracking_mir.stderr
+++ b/tests/ui/async-await/issue-67252-unnamed-future.drop_tracking_mir.stderr
@@ -6,12 +6,12 @@ LL |     spawn(async {
    |
    = help: within `[async block@$DIR/issue-67252-unnamed-future.rs:21:11: 25:6]`, the trait `Send` is not implemented for `*mut ()`
 note: future is not `Send` as this value is used across an await
-  --> $DIR/issue-67252-unnamed-future.rs:23:16
+  --> $DIR/issue-67252-unnamed-future.rs:23:17
    |
 LL |         let a = std::ptr::null_mut::<()>(); // `*mut ()` is not `Send`
    |             - has type `*mut ()` which is not `Send`
 LL |         AFuture.await;
-   |                ^^^^^^ await occurs here, with `a` maybe used later
+   |                 ^^^^^ await occurs here, with `a` maybe used later
 note: required by a bound in `spawn`
   --> $DIR/issue-67252-unnamed-future.rs:9:13
    |
diff --git a/tests/ui/async-await/issue-67252-unnamed-future.no_drop_tracking.stderr b/tests/ui/async-await/issue-67252-unnamed-future.no_drop_tracking.stderr
index fc8bcc8ae79..fa22298658b 100644
--- a/tests/ui/async-await/issue-67252-unnamed-future.no_drop_tracking.stderr
+++ b/tests/ui/async-await/issue-67252-unnamed-future.no_drop_tracking.stderr
@@ -11,12 +11,12 @@ LL | |     });
    |
    = help: within `[async block@$DIR/issue-67252-unnamed-future.rs:21:11: 25:6]`, the trait `Send` is not implemented for `*mut ()`
 note: future is not `Send` as this value is used across an await
-  --> $DIR/issue-67252-unnamed-future.rs:23:16
+  --> $DIR/issue-67252-unnamed-future.rs:23:17
    |
 LL |         let a = std::ptr::null_mut::<()>(); // `*mut ()` is not `Send`
    |             - has type `*mut ()` which is not `Send`
 LL |         AFuture.await;
-   |                ^^^^^^ await occurs here, with `a` maybe used later
+   |                 ^^^^^ await occurs here, with `a` maybe used later
 LL |         drop(a);
 LL |     });
    |     - `a` is later dropped here
diff --git a/tests/ui/async-await/issue-70594.stderr b/tests/ui/async-await/issue-70594.stderr
index d3cf57d3b14..9866e00bb83 100644
--- a/tests/ui/async-await/issue-70594.stderr
+++ b/tests/ui/async-await/issue-70594.stderr
@@ -1,10 +1,10 @@
 error[E0728]: `await` is only allowed inside `async` functions and blocks
-  --> $DIR/issue-70594.rs:4:11
+  --> $DIR/issue-70594.rs:4:12
    |
 LL | async fn fun() {
    |          --- this is not `async`
 LL |     [1; ().await];
-   |           ^^^^^^ only allowed inside `async` functions and blocks
+   |            ^^^^^ only allowed inside `async` functions and blocks
 
 error[E0744]: `.await` is not allowed in a `const`
   --> $DIR/issue-70594.rs:4:9
@@ -13,18 +13,18 @@ LL |     [1; ().await];
    |         ^^^^^^^^
 
 error[E0744]: `.await` is not allowed in a `const`
-  --> $DIR/issue-70594.rs:4:11
+  --> $DIR/issue-70594.rs:4:12
    |
 LL |     [1; ().await];
-   |           ^^^^^^
+   |            ^^^^^
 
 error[E0277]: `()` is not a future
-  --> $DIR/issue-70594.rs:4:11
+  --> $DIR/issue-70594.rs:4:12
    |
 LL |     [1; ().await];
-   |           ^^^^^^
-   |           |
-   |           `()` is not a future
+   |           -^^^^^
+   |           ||
+   |           |`()` is not a future
    |           help: remove the `.await`
    |
    = help: the trait `Future` is not implemented for `()`
diff --git a/tests/ui/async-await/issue-70818.stderr b/tests/ui/async-await/issue-70818.stderr
deleted file mode 100644
index ab0698c3ec2..00000000000
--- a/tests/ui/async-await/issue-70818.stderr
+++ /dev/null
@@ -1,18 +0,0 @@
-error: future cannot be sent between threads safely
-  --> $DIR/issue-70818.rs:7:38
-   |
-LL | fn foo<T: Send, U>(ty: T, ty1: U) -> impl Future<Output = (T, U)> + Send {
-   |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ future created by async block is not `Send`
-   |
-note: captured value is not `Send`
-  --> $DIR/issue-70818.rs:9:18
-   |
-LL |     async { (ty, ty1) }
-   |                  ^^^ has type `U` which is not `Send`
-help: consider restricting type parameter `U`
-   |
-LL | fn foo<T: Send, U: std::marker::Send>(ty: T, ty1: U) -> impl Future<Output = (T, U)> + Send {
-   |                  +++++++++++++++++++
-
-error: aborting due to previous error
-
diff --git a/tests/ui/async-await/issue-70935-complex-spans.no_drop_tracking.stderr b/tests/ui/async-await/issue-70935-complex-spans.no_drop_tracking.stderr
index 8036d82daa4..ef0e182e515 100644
--- a/tests/ui/async-await/issue-70935-complex-spans.no_drop_tracking.stderr
+++ b/tests/ui/async-await/issue-70935-complex-spans.no_drop_tracking.stderr
@@ -6,15 +6,15 @@ LL | fn foo(tx: std::sync::mpsc::Sender<i32>) -> impl Future + Send {
    |
    = help: the trait `Sync` is not implemented for `Sender<i32>`
 note: future is not `Send` as this value is used across an await
-  --> $DIR/issue-70935-complex-spans.rs:19:11
+  --> $DIR/issue-70935-complex-spans.rs:19:12
    |
 LL |           baz(|| async{
    |  _____________-
 LL | |             foo(tx.clone());
 LL | |         }).await;
-   | |         - ^^^^^^- the value is later dropped here
-   | |         | |
-   | |_________| await occurs here, with the value maybe used later
+   | |         -  ^^^^^- the value is later dropped here
+   | |         |  |
+   | |_________|  await occurs here, with the value maybe used later
    |           has type `[closure@$DIR/issue-70935-complex-spans.rs:17:13: 17:15]` which is not `Send`
 
 error: aborting due to previous error
diff --git a/tests/ui/async-await/issue-71137.stderr b/tests/ui/async-await/issue-71137.stderr
index eade6aa2d3d..a344246d6bf 100644
--- a/tests/ui/async-await/issue-71137.stderr
+++ b/tests/ui/async-await/issue-71137.stderr
@@ -6,12 +6,12 @@ LL |   fake_spawn(wrong_mutex());
    |
    = help: within `impl Future<Output = ()>`, the trait `Send` is not implemented for `MutexGuard<'_, i32>`
 note: future is not `Send` as this value is used across an await
-  --> $DIR/issue-71137.rs:14:25
+  --> $DIR/issue-71137.rs:14:26
    |
 LL |     let mut guard = m.lock().unwrap();
    |         --------- has type `MutexGuard<'_, i32>` which is not `Send`
 LL |     (async { "right"; }).await;
-   |                         ^^^^^^ await occurs here, with `mut guard` maybe used later
+   |                          ^^^^^ await occurs here, with `mut guard` maybe used later
 LL |     *guard += 1;
 LL |   }
    |   - `mut guard` is later dropped here
diff --git a/tests/ui/async-await/issue-73741-type-err-drop-tracking.stderr b/tests/ui/async-await/issue-73741-type-err-drop-tracking.stderr
deleted file mode 100644
index 6d19c3beb2f..00000000000
--- a/tests/ui/async-await/issue-73741-type-err-drop-tracking.stderr
+++ /dev/null
@@ -1,11 +0,0 @@
-error[E0070]: invalid left-hand side of assignment
-  --> $DIR/issue-73741-type-err-drop-tracking.rs:11:7
-   |
-LL |     1 = 2;
-   |     - ^
-   |     |
-   |     cannot assign to this expression
-
-error: aborting due to previous error
-
-For more information about this error, try `rustc --explain E0070`.
diff --git a/tests/ui/async-await/issue-86507.drop_tracking.stderr b/tests/ui/async-await/issue-86507.drop_tracking.stderr
index 5c8b7ef1b71..adb7b9bf4bf 100644
--- a/tests/ui/async-await/issue-86507.drop_tracking.stderr
+++ b/tests/ui/async-await/issue-86507.drop_tracking.stderr
@@ -13,7 +13,7 @@ note: captured value is not `Send` because `&` references cannot be sent unless
    |
 LL |                     let x = x;
    |                             ^ has type `&T` which is not `Send`, because `T` is not `Sync`
-   = note: required for the cast from `[async block@$DIR/issue-86507.rs:21:17: 23:18]` to the object type `dyn Future<Output = ()> + Send`
+   = note: required for the cast from `Pin<Box<[async block@$DIR/issue-86507.rs:21:17: 23:18]>>` to `Pin<Box<(dyn Future<Output = ()> + Send + 'async_trait)>>`
 help: consider further restricting this bound
    |
 LL |     fn bar<'me, 'async_trait, T: Send + std::marker::Sync>(x: &'me T)
diff --git a/tests/ui/async-await/issue-86507.drop_tracking_mir.stderr b/tests/ui/async-await/issue-86507.drop_tracking_mir.stderr
index 5c8b7ef1b71..adb7b9bf4bf 100644
--- a/tests/ui/async-await/issue-86507.drop_tracking_mir.stderr
+++ b/tests/ui/async-await/issue-86507.drop_tracking_mir.stderr
@@ -13,7 +13,7 @@ note: captured value is not `Send` because `&` references cannot be sent unless
    |
 LL |                     let x = x;
    |                             ^ has type `&T` which is not `Send`, because `T` is not `Sync`
-   = note: required for the cast from `[async block@$DIR/issue-86507.rs:21:17: 23:18]` to the object type `dyn Future<Output = ()> + Send`
+   = note: required for the cast from `Pin<Box<[async block@$DIR/issue-86507.rs:21:17: 23:18]>>` to `Pin<Box<(dyn Future<Output = ()> + Send + 'async_trait)>>`
 help: consider further restricting this bound
    |
 LL |     fn bar<'me, 'async_trait, T: Send + std::marker::Sync>(x: &'me T)
diff --git a/tests/ui/async-await/issue-86507.no_drop_tracking.stderr b/tests/ui/async-await/issue-86507.no_drop_tracking.stderr
index 5c8b7ef1b71..adb7b9bf4bf 100644
--- a/tests/ui/async-await/issue-86507.no_drop_tracking.stderr
+++ b/tests/ui/async-await/issue-86507.no_drop_tracking.stderr
@@ -13,7 +13,7 @@ note: captured value is not `Send` because `&` references cannot be sent unless
    |
 LL |                     let x = x;
    |                             ^ has type `&T` which is not `Send`, because `T` is not `Sync`
-   = note: required for the cast from `[async block@$DIR/issue-86507.rs:21:17: 23:18]` to the object type `dyn Future<Output = ()> + Send`
+   = note: required for the cast from `Pin<Box<[async block@$DIR/issue-86507.rs:21:17: 23:18]>>` to `Pin<Box<(dyn Future<Output = ()> + Send + 'async_trait)>>`
 help: consider further restricting this bound
    |
 LL |     fn bar<'me, 'async_trait, T: Send + std::marker::Sync>(x: &'me T)
diff --git a/tests/ui/async-await/issue-98634.stderr b/tests/ui/async-await/issue-98634.stderr
index 5b7f18a98b5..574904ceafa 100644
--- a/tests/ui/async-await/issue-98634.stderr
+++ b/tests/ui/async-await/issue-98634.stderr
@@ -23,10 +23,10 @@ LL | pub struct StructAsync<F: Fn() -> Pin<Box<dyn Future<Output = ()>>>> {
    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `StructAsync`
 
 error[E0271]: expected `callback` to be a fn item that returns `Pin<Box<dyn Future<Output = ()>>>`, but it returns `impl Future<Output = ()>`
-  --> $DIR/issue-98634.rs:45:33
+  --> $DIR/issue-98634.rs:45:34
    |
 LL |         StructAsync { callback }.await;
-   |                                 ^^^^^^ expected `Pin<Box<dyn Future<Output = ()>>>`, found future
+   |                                  ^^^^^ expected `Pin<Box<dyn Future<Output = ()>>>`, found future
    |
 note: required by a bound in `StructAsync`
   --> $DIR/issue-98634.rs:9:35
diff --git a/tests/ui/async-await/issues/issue-102206.stderr b/tests/ui/async-await/issues/issue-102206.stderr
index 750b7a886ef..cd845056805 100644
--- a/tests/ui/async-await/issues/issue-102206.stderr
+++ b/tests/ui/async-await/issues/issue-102206.stderr
@@ -2,14 +2,16 @@ error[E0308]: mismatched types
   --> $DIR/issue-102206.rs:6:27
    |
 LL |     std::mem::size_of_val(foo());
-   |     --------------------- ^^^^^
-   |     |                     |
-   |     |                     expected `&_`, found future
-   |     |                     help: consider borrowing here: `&foo()`
+   |     --------------------- ^^^^^ expected `&_`, found future
+   |     |
    |     arguments to this function are incorrect
    |
 note: function defined here
   --> $SRC_DIR/core/src/mem/mod.rs:LL:COL
+help: consider borrowing here
+   |
+LL |     std::mem::size_of_val(&foo());
+   |                           +
 
 error: aborting due to previous error
 
diff --git a/tests/ui/async-await/issues/issue-107280.stderr b/tests/ui/async-await/issues/issue-107280.stderr
index dd3e10fcc18..2e69862a0e0 100644
--- a/tests/ui/async-await/issues/issue-107280.stderr
+++ b/tests/ui/async-await/issues/issue-107280.stderr
@@ -23,10 +23,10 @@ LL |     inner::<false>().await
    |     ^^^^^^^^^^^^^^ cannot infer the value of const parameter `PING` declared on the function `inner`
    |
 note: the type is part of the `async fn` body because of this `await`
-  --> $DIR/issue-107280.rs:4:21
+  --> $DIR/issue-107280.rs:4:22
    |
 LL |     inner::<false>().await
-   |                     ^^^^^^
+   |                      ^^^^^
 
 error[E0698]: type inside `async fn` body must be known in this context
   --> $DIR/issue-107280.rs:4:5
@@ -35,10 +35,10 @@ LL |     inner::<false>().await
    |     ^^^^^^^^^^^^^^ cannot infer the value of const parameter `PING` declared on the function `inner`
    |
 note: the type is part of the `async fn` body because of this `await`
-  --> $DIR/issue-107280.rs:4:21
+  --> $DIR/issue-107280.rs:4:22
    |
 LL |     inner::<false>().await
-   |                     ^^^^^^
+   |                      ^^^^^
 
 error[E0698]: type inside `async fn` body must be known in this context
   --> $DIR/issue-107280.rs:4:5
@@ -47,10 +47,10 @@ LL |     inner::<false>().await
    |     ^^^^^^^^^^^^^^ cannot infer the value of const parameter `PING` declared on the function `inner`
    |
 note: the type is part of the `async fn` body because of this `await`
-  --> $DIR/issue-107280.rs:4:21
+  --> $DIR/issue-107280.rs:4:22
    |
 LL |     inner::<false>().await
-   |                     ^^^^^^
+   |                      ^^^^^
 
 error[E0698]: type inside `async fn` body must be known in this context
   --> $DIR/issue-107280.rs:4:5
@@ -59,10 +59,10 @@ LL |     inner::<false>().await
    |     ^^^^^^^^^^^^^^ cannot infer the value of const parameter `PING` declared on the function `inner`
    |
 note: the type is part of the `async fn` body because of this `await`
-  --> $DIR/issue-107280.rs:4:21
+  --> $DIR/issue-107280.rs:4:22
    |
 LL |     inner::<false>().await
-   |                     ^^^^^^
+   |                      ^^^^^
 
 error[E0698]: type inside `async fn` body must be known in this context
   --> $DIR/issue-107280.rs:4:5
@@ -71,10 +71,10 @@ LL |     inner::<false>().await
    |     ^^^^^^^^^^^^^^ cannot infer the value of const parameter `PING` declared on the function `inner`
    |
 note: the type is part of the `async fn` body because of this `await`
-  --> $DIR/issue-107280.rs:4:21
+  --> $DIR/issue-107280.rs:4:22
    |
 LL |     inner::<false>().await
-   |                     ^^^^^^
+   |                      ^^^^^
 
 error: aborting due to 6 previous errors
 
diff --git a/tests/ui/async-await/issues/issue-51719.stderr b/tests/ui/async-await/issues/issue-51719.stderr
index f3ce5d1c897..19cc339ec0a 100644
--- a/tests/ui/async-await/issues/issue-51719.stderr
+++ b/tests/ui/async-await/issues/issue-51719.stderr
@@ -1,8 +1,8 @@
 error[E0728]: `await` is only allowed inside `async` functions and blocks
-  --> $DIR/issue-51719.rs:8:24
+  --> $DIR/issue-51719.rs:8:25
    |
 LL |     let _gen = || foo().await;
-   |                --      ^^^^^^ only allowed inside `async` functions and blocks
+   |                --       ^^^^^ only allowed inside `async` functions and blocks
    |                |
    |                this is not `async`
 
diff --git a/tests/ui/async-await/issues/issue-51751.stderr b/tests/ui/async-await/issues/issue-51751.stderr
index 8696a5b798b..6dd3726608b 100644
--- a/tests/ui/async-await/issues/issue-51751.stderr
+++ b/tests/ui/async-await/issues/issue-51751.stderr
@@ -1,11 +1,11 @@
 error[E0728]: `await` is only allowed inside `async` functions and blocks
-  --> $DIR/issue-51751.rs:9:26
+  --> $DIR/issue-51751.rs:9:27
    |
 LL | fn main() {
    |    ---- this is not `async`
 LL |     let result = inc(10000);
 LL |     let finished = result.await;
-   |                          ^^^^^^ only allowed inside `async` functions and blocks
+   |                           ^^^^^ only allowed inside `async` functions and blocks
 
 error: aborting due to previous error
 
diff --git a/tests/ui/async-await/issues/issue-62009-1.stderr b/tests/ui/async-await/issues/issue-62009-1.stderr
index 222afb2c7b2..53d0577a1b2 100644
--- a/tests/ui/async-await/issues/issue-62009-1.stderr
+++ b/tests/ui/async-await/issues/issue-62009-1.stderr
@@ -1,36 +1,36 @@
 error[E0728]: `await` is only allowed inside `async` functions and blocks
-  --> $DIR/issue-62009-1.rs:6:22
+  --> $DIR/issue-62009-1.rs:6:23
    |
 LL | fn main() {
    |    ---- this is not `async`
 LL |     async { let (); }.await;
-   |                      ^^^^^^ only allowed inside `async` functions and blocks
+   |                       ^^^^^ only allowed inside `async` functions and blocks
 
 error[E0728]: `await` is only allowed inside `async` functions and blocks
-  --> $DIR/issue-62009-1.rs:10:6
+  --> $DIR/issue-62009-1.rs:10:7
    |
 LL | fn main() {
    |    ---- this is not `async`
 ...
 LL |     }.await;
-   |      ^^^^^^ only allowed inside `async` functions and blocks
+   |       ^^^^^ only allowed inside `async` functions and blocks
 
 error[E0728]: `await` is only allowed inside `async` functions and blocks
-  --> $DIR/issue-62009-1.rs:12:15
+  --> $DIR/issue-62009-1.rs:12:16
    |
 LL | fn main() {
    |    ---- this is not `async`
 ...
 LL |     (|_| 2333).await;
-   |               ^^^^^^ only allowed inside `async` functions and blocks
+   |                ^^^^^ only allowed inside `async` functions and blocks
 
 error[E0277]: `[closure@$DIR/issue-62009-1.rs:12:6: 12:9]` is not a future
-  --> $DIR/issue-62009-1.rs:12:15
+  --> $DIR/issue-62009-1.rs:12:16
    |
 LL |     (|_| 2333).await;
-   |               ^^^^^^
-   |               |
-   |               `[closure@$DIR/issue-62009-1.rs:12:6: 12:9]` is not a future
+   |               -^^^^^
+   |               ||
+   |               |`[closure@$DIR/issue-62009-1.rs:12:6: 12:9]` is not a future
    |               help: remove the `.await`
    |
    = help: the trait `Future` is not implemented for closure `[closure@$DIR/issue-62009-1.rs:12:6: 12:9]`
diff --git a/tests/ui/async-await/issues/issue-62009-2.stderr b/tests/ui/async-await/issues/issue-62009-2.stderr
index 92e9a8a69a8..9c2f20df657 100644
--- a/tests/ui/async-await/issues/issue-62009-2.stderr
+++ b/tests/ui/async-await/issues/issue-62009-2.stderr
@@ -1,10 +1,10 @@
 error[E0728]: `await` is only allowed inside `async` functions and blocks
-  --> $DIR/issue-62009-2.rs:8:22
+  --> $DIR/issue-62009-2.rs:8:23
    |
 LL | fn main() {
    |    ---- this is not `async`
 LL |     (async || 2333)().await;
-   |                      ^^^^^^ only allowed inside `async` functions and blocks
+   |                       ^^^^^ only allowed inside `async` functions and blocks
 
 error: aborting due to previous error
 
diff --git a/tests/ui/async-await/issues/issue-65436-raw-ptr-not-send.no_drop_tracking.stderr b/tests/ui/async-await/issues/issue-65436-raw-ptr-not-send.no_drop_tracking.stderr
index 8745bdd973b..53d32620241 100644
--- a/tests/ui/async-await/issues/issue-65436-raw-ptr-not-send.no_drop_tracking.stderr
+++ b/tests/ui/async-await/issues/issue-65436-raw-ptr-not-send.no_drop_tracking.stderr
@@ -10,12 +10,12 @@ LL | |     })
    |
    = help: within `[async block@$DIR/issue-65436-raw-ptr-not-send.rs:17:17: 20:6]`, the trait `Send` is not implemented for `*const u8`
 note: future is not `Send` as this value is used across an await
-  --> $DIR/issue-65436-raw-ptr-not-send.rs:19:35
+  --> $DIR/issue-65436-raw-ptr-not-send.rs:19:36
    |
 LL |         bar(Foo(std::ptr::null())).await;
-   |                 ----------------  ^^^^^^- `std::ptr::null()` is later dropped here
-   |                 |                 |
-   |                 |                 await occurs here, with `std::ptr::null()` maybe used later
+   |                 ----------------   ^^^^^- `std::ptr::null()` is later dropped here
+   |                 |                  |
+   |                 |                  await occurs here, with `std::ptr::null()` maybe used later
    |                 has type `*const u8` which is not `Send`
 help: consider moving this into a `let` binding to create a shorter lived borrow
   --> $DIR/issue-65436-raw-ptr-not-send.rs:19:13
diff --git a/tests/ui/async-await/issues/issue-67893.stderr b/tests/ui/async-await/issues/issue-67893.stderr
index ce9424c8b25..c941b9eeb29 100644
--- a/tests/ui/async-await/issues/issue-67893.stderr
+++ b/tests/ui/async-await/issues/issue-67893.stderr
@@ -6,12 +6,12 @@ LL |     g(issue_67893::run())
    |
    = help: within `impl Future<Output = ()>`, the trait `Send` is not implemented for `MutexGuard<'_, ()>`
 note: future is not `Send` as this value is used across an await
-  --> $DIR/auxiliary/issue_67893.rs:12:26
+  --> $DIR/auxiliary/issue_67893.rs:12:27
    |
 LL |     f(*x.lock().unwrap()).await;
-   |        ----------------- ^^^^^^- `x.lock().unwrap()` is later dropped here
-   |        |                 |
-   |        |                 await occurs here, with `x.lock().unwrap()` maybe used later
+   |        -----------------  ^^^^^- `x.lock().unwrap()` is later dropped here
+   |        |                  |
+   |        |                  await occurs here, with `x.lock().unwrap()` maybe used later
    |        has type `MutexGuard<'_, ()>` which is not `Send`
 note: required by a bound in `g`
   --> $DIR/issue-67893.rs:6:14
diff --git a/tests/ui/async-await/issues/non-async-enclosing-span.stderr b/tests/ui/async-await/issues/non-async-enclosing-span.stderr
index 20b827479fa..b6583022c16 100644
--- a/tests/ui/async-await/issues/non-async-enclosing-span.stderr
+++ b/tests/ui/async-await/issues/non-async-enclosing-span.stderr
@@ -1,11 +1,11 @@
 error[E0728]: `await` is only allowed inside `async` functions and blocks
-  --> $DIR/non-async-enclosing-span.rs:9:27
+  --> $DIR/non-async-enclosing-span.rs:9:28
    |
 LL | fn main() {
    |    ---- this is not `async`
 LL |     let x = move || {};
 LL |     let y = do_the_thing().await;
-   |                           ^^^^^^ only allowed inside `async` functions and blocks
+   |                            ^^^^^ only allowed inside `async` functions and blocks
 
 error: aborting due to previous error
 
diff --git a/tests/ui/async-await/multiple-lifetimes/partial-relation.rs b/tests/ui/async-await/multiple-lifetimes/partial-relation.rs
index 02b105999f5..7375cb6d3a0 100644
--- a/tests/ui/async-await/multiple-lifetimes/partial-relation.rs
+++ b/tests/ui/async-await/multiple-lifetimes/partial-relation.rs
@@ -4,7 +4,7 @@
 async fn lotsa_lifetimes<'a, 'b, 'c>(a: &'a u32, b: &'b u32, c: &'c u32) -> (&'a u32, &'b u32)
     where 'b: 'a
 {
-    drop((a, c));
+    let _ = (a, c);
     (b, b)
 }
 
diff --git a/tests/ui/async-await/mutually-recursive-async-impl-trait-type.stderr b/tests/ui/async-await/mutually-recursive-async-impl-trait-type.stderr
deleted file mode 100644
index 8a7317bb95a..00000000000
--- a/tests/ui/async-await/mutually-recursive-async-impl-trait-type.stderr
+++ /dev/null
@@ -1,21 +0,0 @@
-error[E0733]: recursion in an `async fn` requires boxing
-  --> $DIR/mutually-recursive-async-impl-trait-type.rs:9:18
-   |
-LL | async fn rec_1() {
-   |                  ^ recursive `async fn`
-   |
-   = note: a recursive `async fn` must be rewritten to return a boxed `dyn Future`
-   = note: consider using the `async_recursion` crate: https://crates.io/crates/async_recursion
-
-error[E0733]: recursion in an `async fn` requires boxing
-  --> $DIR/mutually-recursive-async-impl-trait-type.rs:13:18
-   |
-LL | async fn rec_2() {
-   |                  ^ recursive `async fn`
-   |
-   = note: a recursive `async fn` must be rewritten to return a boxed `dyn Future`
-   = note: consider using the `async_recursion` crate: https://crates.io/crates/async_recursion
-
-error: aborting due to 2 previous errors
-
-For more information about this error, try `rustc --explain E0733`.
diff --git a/tests/ui/async-await/recursive-async-impl-trait-type.stderr b/tests/ui/async-await/recursive-async-impl-trait-type.stderr
deleted file mode 100644
index 7e63a8da552..00000000000
--- a/tests/ui/async-await/recursive-async-impl-trait-type.stderr
+++ /dev/null
@@ -1,12 +0,0 @@
-error[E0733]: recursion in an `async fn` requires boxing
-  --> $DIR/recursive-async-impl-trait-type.rs:8:40
-   |
-LL | async fn recursive_async_function() -> () {
-   |                                        ^^ recursive `async fn`
-   |
-   = note: a recursive `async fn` must be rewritten to return a boxed `dyn Future`
-   = note: consider using the `async_recursion` crate: https://crates.io/crates/async_recursion
-
-error: aborting due to previous error
-
-For more information about this error, try `rustc --explain E0733`.
diff --git a/tests/ui/async-await/return-type-notation/issue-110963-early.stderr b/tests/ui/async-await/return-type-notation/issue-110963-early.stderr
index b4a3924d8da..33e22dec3f7 100644
--- a/tests/ui/async-await/return-type-notation/issue-110963-early.stderr
+++ b/tests/ui/async-await/return-type-notation/issue-110963-early.stderr
@@ -7,14 +7,6 @@ LL | #![feature(return_type_notation)]
    = note: see issue #109417 <https://github.com/rust-lang/rust/issues/109417> for more information
    = note: `#[warn(incomplete_features)]` on by default
 
-warning: the feature `async_fn_in_trait` is incomplete and may not be safe to use and/or cause compiler crashes
-  --> $DIR/issue-110963-early.rs:5:12
-   |
-LL | #![feature(async_fn_in_trait)]
-   |            ^^^^^^^^^^^^^^^^^
-   |
-   = note: see issue #91611 <https://github.com/rust-lang/rust/issues/91611> for more information
-
 error: higher-ranked lifetime error
   --> $DIR/issue-110963-early.rs:15:5
    |
@@ -41,5 +33,5 @@ LL | |     });
    |
    = note: could not prove `[async block@$DIR/issue-110963-early.rs:15:11: 20:6]: Send`
 
-error: aborting due to 2 previous errors; 2 warnings emitted
+error: aborting due to 2 previous errors; 1 warning emitted
 
diff --git a/tests/ui/async-await/return-type-notation/issue-110963-late.rs b/tests/ui/async-await/return-type-notation/issue-110963-late.rs
index 2a35922eaa1..17b5d775d44 100644
--- a/tests/ui/async-await/return-type-notation/issue-110963-late.rs
+++ b/tests/ui/async-await/return-type-notation/issue-110963-late.rs
@@ -4,7 +4,6 @@
 #![feature(return_type_notation)]
 //~^ WARN the feature `return_type_notation` is incomplete
 #![feature(async_fn_in_trait)]
-//~^ WARN the feature `async_fn_in_trait` is incomplete
 
 trait HealthCheck {
     async fn check(&mut self) -> bool;
diff --git a/tests/ui/async-await/return-type-notation/issue-110963-late.stderr b/tests/ui/async-await/return-type-notation/issue-110963-late.stderr
index 36ef3ad0a4c..9c6966537a7 100644
--- a/tests/ui/async-await/return-type-notation/issue-110963-late.stderr
+++ b/tests/ui/async-await/return-type-notation/issue-110963-late.stderr
@@ -7,13 +7,5 @@ LL | #![feature(return_type_notation)]
    = note: see issue #109417 <https://github.com/rust-lang/rust/issues/109417> for more information
    = note: `#[warn(incomplete_features)]` on by default
 
-warning: the feature `async_fn_in_trait` is incomplete and may not be safe to use and/or cause compiler crashes
-  --> $DIR/issue-110963-late.rs:6:12
-   |
-LL | #![feature(async_fn_in_trait)]
-   |            ^^^^^^^^^^^^^^^^^
-   |
-   = note: see issue #91611 <https://github.com/rust-lang/rust/issues/91611> for more information
-
-warning: 2 warnings emitted
+warning: 1 warning emitted
 
diff --git a/tests/ui/async-await/return-type-notation/super-method-bound-ambig.rs b/tests/ui/async-await/return-type-notation/super-method-bound-ambig.rs
new file mode 100644
index 00000000000..028e526b5f5
--- /dev/null
+++ b/tests/ui/async-await/return-type-notation/super-method-bound-ambig.rs
@@ -0,0 +1,32 @@
+// edition:2021
+
+#![feature(async_fn_in_trait, return_type_notation)]
+//~^ WARN the feature `return_type_notation` is incomplete
+
+trait Super1<'a> {
+    async fn test();
+}
+impl Super1<'_> for () {
+    async fn test() {}
+}
+
+trait Super2 {
+    async fn test();
+}
+impl Super2 for () {
+    async fn test() {}
+}
+
+trait Foo: for<'a> Super1<'a> + Super2 {}
+impl Foo for () {}
+
+fn test<T>()
+where
+    T: Foo<test(): Send>,
+    //~^ ERROR ambiguous associated function `test` for `Foo`
+{
+}
+
+fn main() {
+    test::<()>();
+}
diff --git a/tests/ui/async-await/return-type-notation/super-method-bound-ambig.stderr b/tests/ui/async-await/return-type-notation/super-method-bound-ambig.stderr
new file mode 100644
index 00000000000..5bc8dbde4bc
--- /dev/null
+++ b/tests/ui/async-await/return-type-notation/super-method-bound-ambig.stderr
@@ -0,0 +1,19 @@
+warning: the feature `return_type_notation` is incomplete and may not be safe to use and/or cause compiler crashes
+  --> $DIR/super-method-bound-ambig.rs:3:31
+   |
+LL | #![feature(async_fn_in_trait, return_type_notation)]
+   |                               ^^^^^^^^^^^^^^^^^^^^
+   |
+   = note: see issue #109417 <https://github.com/rust-lang/rust/issues/109417> for more information
+   = note: `#[warn(incomplete_features)]` on by default
+
+error: ambiguous associated function `test` for `Foo`
+  --> $DIR/super-method-bound-ambig.rs:25:12
+   |
+LL |     T: Foo<test(): Send>,
+   |            ^^^^^^^^^^^^
+   |
+   = note: `test` is declared in two supertraits: `Super2` and `Super1<'a>`
+
+error: aborting due to previous error; 1 warning emitted
+
diff --git a/tests/ui/async-await/return-type-notation/super-method-bound.rs b/tests/ui/async-await/return-type-notation/super-method-bound.rs
new file mode 100644
index 00000000000..58ea3578db6
--- /dev/null
+++ b/tests/ui/async-await/return-type-notation/super-method-bound.rs
@@ -0,0 +1,25 @@
+// edition:2021
+// check-pass
+
+#![feature(async_fn_in_trait, return_type_notation)]
+//~^ WARN the feature `return_type_notation` is incomplete
+
+trait Super<'a> {
+    async fn test();
+}
+impl Super<'_> for () {
+    async fn test() {}
+}
+
+trait Foo: for<'a> Super<'a> {}
+impl Foo for () {}
+
+fn test<T>()
+where
+    T: Foo<test(): Send>,
+{
+}
+
+fn main() {
+    test::<()>();
+}
diff --git a/tests/ui/async-await/return-type-notation/super-method-bound.stderr b/tests/ui/async-await/return-type-notation/super-method-bound.stderr
new file mode 100644
index 00000000000..ac0668d3c44
--- /dev/null
+++ b/tests/ui/async-await/return-type-notation/super-method-bound.stderr
@@ -0,0 +1,11 @@
+warning: the feature `return_type_notation` is incomplete and may not be safe to use and/or cause compiler crashes
+  --> $DIR/super-method-bound.rs:4:31
+   |
+LL | #![feature(async_fn_in_trait, return_type_notation)]
+   |                               ^^^^^^^^^^^^^^^^^^^^
+   |
+   = note: see issue #109417 <https://github.com/rust-lang/rust/issues/109417> for more information
+   = note: `#[warn(incomplete_features)]` on by default
+
+warning: 1 warning emitted
+
diff --git a/tests/ui/async-await/unnecessary-await.rs b/tests/ui/async-await/unnecessary-await.rs
index 24673777b80..cd1e2871432 100644
--- a/tests/ui/async-await/unnecessary-await.rs
+++ b/tests/ui/async-await/unnecessary-await.rs
@@ -11,4 +11,24 @@ async fn baz() -> std::io::Result<()> {
     std::io::Result::Ok(())
 }
 
+macro_rules! e {
+    () => {
+        ()
+    };
+}
+
+macro_rules! f {
+    ($expr:expr) => {
+        $expr.await
+        //~^ ERROR `()` is not a future
+    };
+}
+
+async fn with_macros() {
+    e!().await;
+    //~^ ERROR `()` is not a future
+
+    f!(());
+}
+
 fn main() {}
diff --git a/tests/ui/async-await/unnecessary-await.stderr b/tests/ui/async-await/unnecessary-await.stderr
index dc308933697..9a2a035b2dd 100644
--- a/tests/ui/async-await/unnecessary-await.stderr
+++ b/tests/ui/async-await/unnecessary-await.stderr
@@ -1,8 +1,8 @@
 error[E0277]: `()` is not a future
-  --> $DIR/unnecessary-await.rs:9:10
+  --> $DIR/unnecessary-await.rs:9:11
    |
 LL |     boo().await;
-   |     -----^^^^^^ `()` is not a future
+   |     ----- ^^^^^ `()` is not a future
    |     |
    |     this call returns `()`
    |
@@ -19,6 +19,36 @@ help: alternatively, consider making `fn boo` asynchronous
 LL | async fn boo() {}
    | +++++
 
-error: aborting due to previous error
+error[E0277]: `()` is not a future
+  --> $DIR/unnecessary-await.rs:28:10
+   |
+LL |     e!().await;
+   |         -^^^^^
+   |         ||
+   |         |`()` is not a future
+   |         help: remove the `.await`
+   |
+   = help: the trait `Future` is not implemented for `()`
+   = note: () must be a future or must implement `IntoFuture` to be awaited
+   = note: required for `()` to implement `IntoFuture`
+
+error[E0277]: `()` is not a future
+  --> $DIR/unnecessary-await.rs:22:15
+   |
+LL |         $expr.await
+   |               ^^^^^
+   |               |
+   |               `()` is not a future
+   |               remove the `.await`
+...
+LL |     f!(());
+   |     ------ in this macro invocation
+   |
+   = help: the trait `Future` is not implemented for `()`
+   = note: () must be a future or must implement `IntoFuture` to be awaited
+   = note: required for `()` to implement `IntoFuture`
+   = note: this error originates in the macro `f` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error: aborting due to 3 previous errors
 
 For more information about this error, try `rustc --explain E0277`.
diff --git a/tests/ui/async-await/unresolved_type_param.drop_tracking.stderr b/tests/ui/async-await/unresolved_type_param.drop_tracking.stderr
index 912e2b34c05..6b4a3a36395 100644
--- a/tests/ui/async-await/unresolved_type_param.drop_tracking.stderr
+++ b/tests/ui/async-await/unresolved_type_param.drop_tracking.stderr
@@ -5,10 +5,10 @@ LL |     bar().await;
    |     ^^^ cannot infer type for type parameter `T` declared on the function `bar`
    |
 note: the type is part of the `async fn` body because of this `await`
-  --> $DIR/unresolved_type_param.rs:12:10
+  --> $DIR/unresolved_type_param.rs:12:11
    |
 LL |     bar().await;
-   |          ^^^^^^
+   |           ^^^^^
 
 error[E0698]: type inside `async fn` body must be known in this context
   --> $DIR/unresolved_type_param.rs:12:5
@@ -17,10 +17,10 @@ LL |     bar().await;
    |     ^^^ cannot infer type for type parameter `T` declared on the function `bar`
    |
 note: the type is part of the `async fn` body because of this `await`
-  --> $DIR/unresolved_type_param.rs:12:10
+  --> $DIR/unresolved_type_param.rs:12:11
    |
 LL |     bar().await;
-   |          ^^^^^^
+   |           ^^^^^
 
 error[E0698]: type inside `async fn` body must be known in this context
   --> $DIR/unresolved_type_param.rs:12:5
@@ -29,10 +29,10 @@ LL |     bar().await;
    |     ^^^ cannot infer type for type parameter `T` declared on the function `bar`
    |
 note: the type is part of the `async fn` body because of this `await`
-  --> $DIR/unresolved_type_param.rs:12:10
+  --> $DIR/unresolved_type_param.rs:12:11
    |
 LL |     bar().await;
-   |          ^^^^^^
+   |           ^^^^^
 
 error: aborting due to 3 previous errors
 
diff --git a/tests/ui/async-await/unresolved_type_param.no_drop_tracking.stderr b/tests/ui/async-await/unresolved_type_param.no_drop_tracking.stderr
index 16d618caa57..6642e90acd8 100644
--- a/tests/ui/async-await/unresolved_type_param.no_drop_tracking.stderr
+++ b/tests/ui/async-await/unresolved_type_param.no_drop_tracking.stderr
@@ -5,10 +5,10 @@ LL |     bar().await;
    |     ^^^ cannot infer type for type parameter `T` declared on the function `bar`
    |
 note: the type is part of the `async fn` body because of this `await`
-  --> $DIR/unresolved_type_param.rs:12:10
+  --> $DIR/unresolved_type_param.rs:12:11
    |
 LL |     bar().await;
-   |          ^^^^^^
+   |           ^^^^^
 
 error[E0698]: type inside `async fn` body must be known in this context
   --> $DIR/unresolved_type_param.rs:12:5
@@ -17,10 +17,10 @@ LL |     bar().await;
    |     ^^^ cannot infer type for type parameter `T` declared on the function `bar`
    |
 note: the type is part of the `async fn` body because of this `await`
-  --> $DIR/unresolved_type_param.rs:12:10
+  --> $DIR/unresolved_type_param.rs:12:11
    |
 LL |     bar().await;
-   |          ^^^^^^
+   |           ^^^^^
 
 error[E0698]: type inside `async fn` body must be known in this context
   --> $DIR/unresolved_type_param.rs:12:5
@@ -29,10 +29,10 @@ LL |     bar().await;
    |     ^^^ cannot infer type for type parameter `T` declared on the function `bar`
    |
 note: the type is part of the `async fn` body because of this `await`
-  --> $DIR/unresolved_type_param.rs:12:10
+  --> $DIR/unresolved_type_param.rs:12:11
    |
 LL |     bar().await;
-   |          ^^^^^^
+   |           ^^^^^
 
 error[E0698]: type inside `async fn` body must be known in this context
   --> $DIR/unresolved_type_param.rs:12:5
@@ -41,10 +41,10 @@ LL |     bar().await;
    |     ^^^ cannot infer type for type parameter `T` declared on the function `bar`
    |
 note: the type is part of the `async fn` body because of this `await`
-  --> $DIR/unresolved_type_param.rs:12:10
+  --> $DIR/unresolved_type_param.rs:12:11
    |
 LL |     bar().await;
-   |          ^^^^^^
+   |           ^^^^^
 
 error[E0698]: type inside `async fn` body must be known in this context
   --> $DIR/unresolved_type_param.rs:12:5
@@ -53,10 +53,10 @@ LL |     bar().await;
    |     ^^^ cannot infer type for type parameter `T` declared on the function `bar`
    |
 note: the type is part of the `async fn` body because of this `await`
-  --> $DIR/unresolved_type_param.rs:12:10
+  --> $DIR/unresolved_type_param.rs:12:11
    |
 LL |     bar().await;
-   |          ^^^^^^
+   |           ^^^^^
 
 error: aborting due to 5 previous errors
 
diff --git a/tests/ui/async-await/unresolved_type_param.stderr b/tests/ui/async-await/unresolved_type_param.stderr
deleted file mode 100644
index 64a31b5fc32..00000000000
--- a/tests/ui/async-await/unresolved_type_param.stderr
+++ /dev/null
@@ -1,39 +0,0 @@
-error[E0698]: type inside `async fn` body must be known in this context
-  --> $DIR/unresolved_type_param.rs:13:5
-   |
-LL |     bar().await;
-   |     ^^^ cannot infer type for type parameter `T` declared on the function `bar`
-   |
-note: the type is part of the `async fn` body because of this `await`
-  --> $DIR/unresolved_type_param.rs:13:10
-   |
-LL |     bar().await;
-   |          ^^^^^^
-
-error[E0698]: type inside `async fn` body must be known in this context
-  --> $DIR/unresolved_type_param.rs:13:5
-   |
-LL |     bar().await;
-   |     ^^^ cannot infer type for type parameter `T` declared on the function `bar`
-   |
-note: the type is part of the `async fn` body because of this `await`
-  --> $DIR/unresolved_type_param.rs:13:10
-   |
-LL |     bar().await;
-   |          ^^^^^^
-
-error[E0698]: type inside `async fn` body must be known in this context
-  --> $DIR/unresolved_type_param.rs:13:5
-   |
-LL |     bar().await;
-   |     ^^^ cannot infer type for type parameter `T` declared on the function `bar`
-   |
-note: the type is part of the `async fn` body because of this `await`
-  --> $DIR/unresolved_type_param.rs:13:10
-   |
-LL |     bar().await;
-   |          ^^^^^^
-
-error: aborting due to 3 previous errors
-
-For more information about this error, try `rustc --explain E0698`.
diff --git a/tests/ui/attr-bad-crate-attr.rc b/tests/ui/attr-bad-crate-attr.rs
index 89ba26dfd6f..89ba26dfd6f 100644
--- a/tests/ui/attr-bad-crate-attr.rc
+++ b/tests/ui/attr-bad-crate-attr.rs
diff --git a/tests/ui/attr-bad-crate-attr.stderr b/tests/ui/attr-bad-crate-attr.stderr
new file mode 100644
index 00000000000..ff420eeea4a
--- /dev/null
+++ b/tests/ui/attr-bad-crate-attr.stderr
@@ -0,0 +1,8 @@
+error: expected item after attributes
+  --> $DIR/attr-bad-crate-attr.rs:4:1
+   |
+LL | #[attr = "val"] // Unterminated
+   | ^^^^^^^^^^^^^^^
+
+error: aborting due to previous error
+
diff --git a/tests/ui/borrowck/borrow-raw-address-of-deref-mutability.stderr b/tests/ui/borrowck/borrow-raw-address-of-deref-mutability.stderr
index 4cc1d821d0a..cfc86ff0dc1 100644
--- a/tests/ui/borrowck/borrow-raw-address-of-deref-mutability.stderr
+++ b/tests/ui/borrowck/borrow-raw-address-of-deref-mutability.stderr
@@ -7,7 +7,7 @@ LL |     let q = &raw mut *x;
 help: consider changing this to be a mutable reference
    |
 LL |     let x = &mut 0;
-   |             ~~~~~~
+   |              +++
 
 error[E0596]: cannot borrow `*x` as mutable, as it is behind a `*const` pointer
   --> $DIR/borrow-raw-address-of-deref-mutability.rs:14:13
@@ -18,7 +18,7 @@ LL |     let q = &raw mut *x;
 help: consider changing this to be a mutable pointer
    |
 LL |     let x = &mut 0 as *const i32;
-   |             ~~~~~~
+   |              +++
 
 error: aborting due to 2 previous errors
 
diff --git a/tests/ui/borrowck/borrowck-access-permissions.stderr b/tests/ui/borrowck/borrowck-access-permissions.stderr
index 26f3e2bbdb7..c161e2d95b4 100644
--- a/tests/ui/borrowck/borrowck-access-permissions.stderr
+++ b/tests/ui/borrowck/borrowck-access-permissions.stderr
@@ -35,7 +35,7 @@ LL |         let _y1 = &mut *ref_x;
 help: consider changing this to be a mutable reference
    |
 LL |         let ref_x = &mut x;
-   |                     ~~~~~~
+   |                      +++
 
 error[E0596]: cannot borrow `*ptr_x` as mutable, as it is behind a `*const` pointer
   --> $DIR/borrowck-access-permissions.rs:39:23
@@ -46,7 +46,7 @@ LL |             let _y1 = &mut *ptr_x;
 help: consider changing this to be a mutable pointer
    |
 LL |         let ptr_x : *const _ = &mut x;
-   |                                ~~~~~~
+   |                                 +++
 
 error[E0596]: cannot borrow `*foo_ref.f` as mutable, as it is behind a `&` reference
   --> $DIR/borrowck-access-permissions.rs:48:18
@@ -57,7 +57,7 @@ LL |         let _y = &mut *foo_ref.f;
 help: consider changing this to be a mutable reference
    |
 LL |         let foo_ref = &mut foo;
-   |                       ~~~~~~~~
+   |                        +++
 
 error: aborting due to 6 previous errors
 
diff --git a/tests/ui/borrowck/borrowck-assign-to-andmut-in-aliasable-loc.stderr b/tests/ui/borrowck/borrowck-assign-to-andmut-in-aliasable-loc.stderr
index cbacc87a0e8..cf0c4127d82 100644
--- a/tests/ui/borrowck/borrowck-assign-to-andmut-in-aliasable-loc.stderr
+++ b/tests/ui/borrowck/borrowck-assign-to-andmut-in-aliasable-loc.stderr
@@ -6,8 +6,8 @@ LL |     *s.pointer += 1;
    |
 help: consider changing this to be a mutable reference
    |
-LL | fn a(s: &mut S<'_>) {
-   |         ~~~~~~~~~~
+LL | fn a(s: &mut S) {
+   |          +++
 
 error[E0594]: cannot assign to `*s.pointer`, which is behind a `&` reference
   --> $DIR/borrowck-assign-to-andmut-in-aliasable-loc.rs:17:5
@@ -17,8 +17,8 @@ LL |     *s.pointer += 1;
    |
 help: consider changing this to be a mutable reference
    |
-LL | fn c(s: &mut &mut S<'_>) {
-   |         ~~~~~~~~~~~~~~~
+LL | fn c(s: &mut  &mut S) {
+   |          +++
 
 error: aborting due to 2 previous errors
 
diff --git a/tests/ui/borrowck/borrowck-borrow-mut-base-ptr-in-aliasable-loc.stderr b/tests/ui/borrowck/borrowck-borrow-mut-base-ptr-in-aliasable-loc.stderr
index dd0817ff233..59ef61b19d5 100644
--- a/tests/ui/borrowck/borrowck-borrow-mut-base-ptr-in-aliasable-loc.stderr
+++ b/tests/ui/borrowck/borrowck-borrow-mut-base-ptr-in-aliasable-loc.stderr
@@ -27,8 +27,8 @@ LL |     let x:  &mut isize = &mut **t0;
    |
 help: consider changing this to be a mutable reference
    |
-LL | fn foo4(t0: &mut &mut isize) {
-   |             ~~~~~~~~~~~~~~~
+LL | fn foo4(t0: &mut  &mut isize) {
+   |              +++
 
 error: aborting due to 3 previous errors
 
diff --git a/tests/ui/borrowck/borrowck-closures-slice-patterns-ok.rs b/tests/ui/borrowck/borrowck-closures-slice-patterns-ok.rs
index 0229ca37a69..9163c8ed6fb 100644
--- a/tests/ui/borrowck/borrowck-closures-slice-patterns-ok.rs
+++ b/tests/ui/borrowck/borrowck-closures-slice-patterns-ok.rs
@@ -1,6 +1,7 @@
 // Check that closure captures for slice patterns are inferred correctly
 
 #![allow(unused_variables)]
+#![allow(drop_ref)]
 
 // run-pass
 
diff --git a/tests/ui/borrowck/borrowck-field-sensitivity-rpass.rs b/tests/ui/borrowck/borrowck-field-sensitivity-rpass.rs
index dd6708582c1..a88b323e0bf 100644
--- a/tests/ui/borrowck/borrowck-field-sensitivity-rpass.rs
+++ b/tests/ui/borrowck/borrowck-field-sensitivity-rpass.rs
@@ -1,6 +1,7 @@
 // run-pass
 #![allow(unused_mut)]
 #![allow(unused_variables)]
+#![allow(drop_copy)]
 // pretty-expanded FIXME #23616
 
 struct A { a: isize, b: Box<isize> }
diff --git a/tests/ui/borrowck/borrowck-issue-14498.stderr b/tests/ui/borrowck/borrowck-issue-14498.stderr
index 374c5ee3ed2..12d67d536d9 100644
--- a/tests/ui/borrowck/borrowck-issue-14498.stderr
+++ b/tests/ui/borrowck/borrowck-issue-14498.stderr
@@ -7,7 +7,7 @@ LL |     ***p = 2;
 help: consider changing this to be a mutable reference
    |
 LL |     let p = &mut y;
-   |             ~~~~~~
+   |              +++
 
 error[E0506]: cannot assign to `**y` because it is borrowed
   --> $DIR/borrowck-issue-14498.rs:25:5
diff --git a/tests/ui/borrowck/borrowck-reborrow-from-mut.stderr b/tests/ui/borrowck/borrowck-reborrow-from-mut.stderr
index d9590e446c7..fb3db4e1446 100644
--- a/tests/ui/borrowck/borrowck-reborrow-from-mut.stderr
+++ b/tests/ui/borrowck/borrowck-reborrow-from-mut.stderr
@@ -111,7 +111,7 @@ LL |     let _bar1 = &mut foo.bar1;
 help: consider changing this to be a mutable reference
    |
 LL | fn borrow_mut_from_imm(foo: &mut Foo) {
-   |                             ~~~~~~~~
+   |                              +++
 
 error: aborting due to 11 previous errors
 
diff --git a/tests/ui/borrowck/borrowck-use-mut-borrow-rpass.rs b/tests/ui/borrowck/borrowck-use-mut-borrow-rpass.rs
index 1cf763f66fd..40c6bfeeb43 100644
--- a/tests/ui/borrowck/borrowck-use-mut-borrow-rpass.rs
+++ b/tests/ui/borrowck/borrowck-use-mut-borrow-rpass.rs
@@ -1,6 +1,8 @@
 // run-pass
 // pretty-expanded FIXME #23616
 
+#![allow(drop_copy)]
+
 struct A { a: isize, b: Box<isize> }
 
 fn field_copy_after_field_borrow() {
diff --git a/tests/ui/borrowck/erase-error-in-mir-drop-tracking.rs b/tests/ui/borrowck/erase-error-in-mir-drop-tracking.rs
new file mode 100644
index 00000000000..addbe5d658a
--- /dev/null
+++ b/tests/ui/borrowck/erase-error-in-mir-drop-tracking.rs
@@ -0,0 +1,23 @@
+// compile-flags: -Zdrop-tracking-mir
+// edition:2021
+
+use std::future::Future;
+
+trait Client {
+    type Connecting<'a>: Future + Send
+    where
+        Self: 'a;
+
+    fn connect(&'_ self) -> Self::Connecting<'a>;
+    //~^ ERROR use of undeclared lifetime name `'a`
+}
+
+fn call_connect<C>(c: &'_ C) -> impl '_ + Future + Send
+where
+    C: Client + Send + Sync,
+{
+    async move { c.connect().await }
+    //~^ ERROR `C` does not live long enough
+}
+
+fn main() {}
diff --git a/tests/ui/borrowck/erase-error-in-mir-drop-tracking.stderr b/tests/ui/borrowck/erase-error-in-mir-drop-tracking.stderr
new file mode 100644
index 00000000000..53abe3dc952
--- /dev/null
+++ b/tests/ui/borrowck/erase-error-in-mir-drop-tracking.stderr
@@ -0,0 +1,24 @@
+error[E0261]: use of undeclared lifetime name `'a`
+  --> $DIR/erase-error-in-mir-drop-tracking.rs:11:46
+   |
+LL |     fn connect(&'_ self) -> Self::Connecting<'a>;
+   |                                              ^^ undeclared lifetime
+   |
+help: consider introducing lifetime `'a` here
+   |
+LL |     fn connect<'a>(&'_ self) -> Self::Connecting<'a>;
+   |               ++++
+help: consider introducing lifetime `'a` here
+   |
+LL | trait Client<'a> {
+   |             ++++
+
+error: `C` does not live long enough
+  --> $DIR/erase-error-in-mir-drop-tracking.rs:19:5
+   |
+LL |     async move { c.connect().await }
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: aborting due to 2 previous errors
+
+For more information about this error, try `rustc --explain E0261`.
diff --git a/tests/ui/borrowck/issue-85765.stderr b/tests/ui/borrowck/issue-85765.stderr
index b4bb128cbb4..2985a658fdd 100644
--- a/tests/ui/borrowck/issue-85765.stderr
+++ b/tests/ui/borrowck/issue-85765.stderr
@@ -18,7 +18,7 @@ LL |     *r = 0;
 help: consider changing this to be a mutable reference
    |
 LL |     let r = &mut mutvar;
-   |             ~~~~~~~~~~~
+   |              +++
 
 error[E0594]: cannot assign to `*x`, which is behind a `&` reference
   --> $DIR/issue-85765.rs:19:5
diff --git a/tests/ui/borrowck/mutability-errors.stderr b/tests/ui/borrowck/mutability-errors.stderr
index d7c602718f1..b39e57d70ec 100644
--- a/tests/ui/borrowck/mutability-errors.stderr
+++ b/tests/ui/borrowck/mutability-errors.stderr
@@ -7,7 +7,7 @@ LL |     *x = (1,);
 help: consider changing this to be a mutable reference
    |
 LL | fn named_ref(x: &mut (i32,)) {
-   |                 ~~~~~~~~~~~
+   |                  +++
 
 error[E0594]: cannot assign to `x.0`, which is behind a `&` reference
   --> $DIR/mutability-errors.rs:10:5
@@ -18,7 +18,7 @@ LL |     x.0 = 1;
 help: consider changing this to be a mutable reference
    |
 LL | fn named_ref(x: &mut (i32,)) {
-   |                 ~~~~~~~~~~~
+   |                  +++
 
 error[E0596]: cannot borrow `*x` as mutable, as it is behind a `&` reference
   --> $DIR/mutability-errors.rs:11:5
@@ -29,7 +29,7 @@ LL |     &mut *x;
 help: consider changing this to be a mutable reference
    |
 LL | fn named_ref(x: &mut (i32,)) {
-   |                 ~~~~~~~~~~~
+   |                  +++
 
 error[E0596]: cannot borrow `x.0` as mutable, as it is behind a `&` reference
   --> $DIR/mutability-errors.rs:12:5
@@ -40,7 +40,7 @@ LL |     &mut x.0;
 help: consider changing this to be a mutable reference
    |
 LL | fn named_ref(x: &mut (i32,)) {
-   |                 ~~~~~~~~~~~
+   |                  +++
 
 error[E0594]: cannot assign to data in a `&` reference
   --> $DIR/mutability-errors.rs:16:5
@@ -74,8 +74,8 @@ LL |     *x = (1,);
    |
 help: consider changing this to be a mutable pointer
    |
-LL | unsafe fn named_ptr(x: *mut (i32,)) {
-   |                        ~~~~~~~~~~~
+LL | unsafe fn named_ptr(x: *mut const (i32,)) {
+   |                         +++
 
 error[E0594]: cannot assign to `x.0`, which is behind a `*const` pointer
   --> $DIR/mutability-errors.rs:24:5
@@ -85,8 +85,8 @@ LL |     (*x).0 = 1;
    |
 help: consider changing this to be a mutable pointer
    |
-LL | unsafe fn named_ptr(x: *mut (i32,)) {
-   |                        ~~~~~~~~~~~
+LL | unsafe fn named_ptr(x: *mut const (i32,)) {
+   |                         +++
 
 error[E0596]: cannot borrow `*x` as mutable, as it is behind a `*const` pointer
   --> $DIR/mutability-errors.rs:25:5
@@ -96,8 +96,8 @@ LL |     &mut *x;
    |
 help: consider changing this to be a mutable pointer
    |
-LL | unsafe fn named_ptr(x: *mut (i32,)) {
-   |                        ~~~~~~~~~~~
+LL | unsafe fn named_ptr(x: *mut const (i32,)) {
+   |                         +++
 
 error[E0596]: cannot borrow `x.0` as mutable, as it is behind a `*const` pointer
   --> $DIR/mutability-errors.rs:26:5
@@ -107,8 +107,8 @@ LL |     &mut (*x).0;
    |
 help: consider changing this to be a mutable pointer
    |
-LL | unsafe fn named_ptr(x: *mut (i32,)) {
-   |                        ~~~~~~~~~~~
+LL | unsafe fn named_ptr(x: *mut const (i32,)) {
+   |                         +++
 
 error[E0594]: cannot assign to data in a `*const` pointer
   --> $DIR/mutability-errors.rs:30:5
diff --git a/tests/ui/borrowck/suggest-lt-on-ty-alias-w-generics.rs b/tests/ui/borrowck/suggest-lt-on-ty-alias-w-generics.rs
new file mode 100644
index 00000000000..c9e043577ed
--- /dev/null
+++ b/tests/ui/borrowck/suggest-lt-on-ty-alias-w-generics.rs
@@ -0,0 +1,11 @@
+type Lazy<T> = Box<dyn Fn() -> T + 'static>;
+
+fn test(x: &i32) -> Lazy<i32> {
+    Box::new(|| {
+        //~^ ERROR lifetime may not live long enough
+        //~| ERROR closure may outlive the current function
+        *x
+    })
+}
+
+fn main() {}
diff --git a/tests/ui/borrowck/suggest-lt-on-ty-alias-w-generics.stderr b/tests/ui/borrowck/suggest-lt-on-ty-alias-w-generics.stderr
new file mode 100644
index 00000000000..28b4b4aa290
--- /dev/null
+++ b/tests/ui/borrowck/suggest-lt-on-ty-alias-w-generics.stderr
@@ -0,0 +1,43 @@
+error: lifetime may not live long enough
+  --> $DIR/suggest-lt-on-ty-alias-w-generics.rs:4:5
+   |
+LL |   fn test(x: &i32) -> Lazy<i32> {
+   |              - let's call the lifetime of this reference `'1`
+LL | /     Box::new(|| {
+LL | |
+LL | |
+LL | |         *x
+LL | |     })
+   | |______^ returning this value requires that `'1` must outlive `'static`
+   |
+help: to declare that the trait object captures data from argument `x`, you can add a lifetime parameter `'a` in the type alias
+   |
+LL | type Lazy<'a, T> = Box<dyn Fn() -> T + 'a>;
+   |           +++                          ~~
+
+error[E0373]: closure may outlive the current function, but it borrows `x`, which is owned by the current function
+  --> $DIR/suggest-lt-on-ty-alias-w-generics.rs:4:14
+   |
+LL |     Box::new(|| {
+   |              ^^ may outlive borrowed value `x`
+...
+LL |         *x
+   |         -- `x` is borrowed here
+   |
+note: closure is returned here
+  --> $DIR/suggest-lt-on-ty-alias-w-generics.rs:4:5
+   |
+LL | /     Box::new(|| {
+LL | |
+LL | |
+LL | |         *x
+LL | |     })
+   | |______^
+help: to force the closure to take ownership of `x` (and any other referenced variables), use the `move` keyword
+   |
+LL |     Box::new(move || {
+   |              ++++
+
+error: aborting due to 2 previous errors
+
+For more information about this error, try `rustc --explain E0373`.
diff --git a/tests/ui/borrowck/tainted-promoteds.rs b/tests/ui/borrowck/tainted-promoteds.rs
new file mode 100644
index 00000000000..2b6f0ddbd6c
--- /dev/null
+++ b/tests/ui/borrowck/tainted-promoteds.rs
@@ -0,0 +1,12 @@
+// Regression test for issue #110856, where a borrowck error for a MIR tainted
+// all promoteds within. This in turn generated a spurious "erroneous constant
+// used" note when trying to evaluate a promoted.
+
+pub fn f() -> u32 {
+    let a = 0;
+    a = &0 * &1 * &2 * &3;
+    //~^ ERROR: cannot assign twice to immutable variable
+    a
+}
+
+fn main() {}
diff --git a/tests/ui/borrowck/tainted-promoteds.stderr b/tests/ui/borrowck/tainted-promoteds.stderr
new file mode 100644
index 00000000000..b276ea9aceb
--- /dev/null
+++ b/tests/ui/borrowck/tainted-promoteds.stderr
@@ -0,0 +1,14 @@
+error[E0384]: cannot assign twice to immutable variable `a`
+  --> $DIR/tainted-promoteds.rs:7:5
+   |
+LL |     let a = 0;
+   |         -
+   |         |
+   |         first assignment to `a`
+   |         help: consider making this binding mutable: `mut a`
+LL |     a = &0 * &1 * &2 * &3;
+   |     ^^^^^^^^^^^^^^^^^^^^^ cannot assign twice to immutable variable
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0384`.
diff --git a/tests/ui/cfg/conditional-compile-arch.rs b/tests/ui/cfg/conditional-compile-arch.rs
index 7de561df136..e59e06f801b 100644
--- a/tests/ui/cfg/conditional-compile-arch.rs
+++ b/tests/ui/cfg/conditional-compile-arch.rs
@@ -39,3 +39,6 @@ pub fn main() { }
 
 #[cfg(target_arch = "riscv64")]
 pub fn main() { }
+
+#[cfg(target_arch = "loongarch64")]
+pub fn main() { }
diff --git a/tests/ui/check-cfg/compact-values.stderr b/tests/ui/check-cfg/compact-values.stderr
index 5ca4d3b3de7..70a967c0e5f 100644
--- a/tests/ui/check-cfg/compact-values.stderr
+++ b/tests/ui/check-cfg/compact-values.stderr
@@ -4,7 +4,7 @@ warning: unexpected `cfg` condition value
 LL | #[cfg(target(os = "linux", arch = "X"))]
    |                            ^^^^^^^^^^
    |
-   = note: expected values for `target_arch` are: aarch64, arm, avr, bpf, hexagon, loongarch64, m68k, mips, mips64, msp430, nvptx64, powerpc, powerpc64, riscv32, riscv64, s390x, sparc, sparc64, wasm32, wasm64, x86, x86_64
+   = note: expected values for `target_arch` are: `aarch64`, `arm`, `avr`, `bpf`, `hexagon`, `loongarch64`, `m68k`, `mips`, `mips64`, `msp430`, `nvptx64`, `powerpc`, `powerpc64`, `riscv32`, `riscv64`, `s390x`, `sparc`, `sparc64`, `wasm32`, `wasm64`, `x86`, `x86_64`
    = note: `#[warn(unexpected_cfgs)]` on by default
 
 warning: 1 warning emitted
diff --git a/tests/ui/check-cfg/diagnotics.rs b/tests/ui/check-cfg/diagnotics.rs
new file mode 100644
index 00000000000..49e127d079a
--- /dev/null
+++ b/tests/ui/check-cfg/diagnotics.rs
@@ -0,0 +1,31 @@
+// check-pass
+// compile-flags: --check-cfg=names() --check-cfg=values(feature,"foo") --check-cfg=values(no_values) -Z unstable-options
+
+#[cfg(featur)]
+//~^ WARNING unexpected `cfg` condition name
+fn feature() {}
+
+#[cfg(featur = "foo")]
+//~^ WARNING unexpected `cfg` condition name
+fn feature() {}
+
+#[cfg(featur = "fo")]
+//~^ WARNING unexpected `cfg` condition name
+fn feature() {}
+
+#[cfg(feature = "foo")]
+fn feature() {}
+
+#[cfg(no_value)]
+//~^ WARNING unexpected `cfg` condition name
+fn no_values() {}
+
+#[cfg(no_value = "foo")]
+//~^ WARNING unexpected `cfg` condition name
+fn no_values() {}
+
+#[cfg(no_values = "bar")]
+//~^ WARNING unexpected `cfg` condition value
+fn no_values() {}
+
+fn main() {}
diff --git a/tests/ui/check-cfg/diagnotics.stderr b/tests/ui/check-cfg/diagnotics.stderr
new file mode 100644
index 00000000000..8b9fef09d09
--- /dev/null
+++ b/tests/ui/check-cfg/diagnotics.stderr
@@ -0,0 +1,62 @@
+warning: unexpected `cfg` condition name
+  --> $DIR/diagnotics.rs:4:7
+   |
+LL | #[cfg(featur)]
+   |       ^^^^^^ help: there is a config with a similar name: `feature`
+   |
+   = help: expected values for `feature` are: `foo`
+   = note: `#[warn(unexpected_cfgs)]` on by default
+
+warning: unexpected `cfg` condition name
+  --> $DIR/diagnotics.rs:8:7
+   |
+LL | #[cfg(featur = "foo")]
+   |       ^^^^^^^^^^^^^^
+   |
+   = help: expected values for `feature` are: `foo`
+help: there is a config with a similar name and value
+   |
+LL | #[cfg(feature = "foo")]
+   |       ~~~~~~~
+
+warning: unexpected `cfg` condition name
+  --> $DIR/diagnotics.rs:12:7
+   |
+LL | #[cfg(featur = "fo")]
+   |       ^^^^^^^^^^^^^
+   |
+   = help: expected values for `feature` are: `foo`
+help: there is a config with a similar name and different values
+   |
+LL | #[cfg(feature = "foo")]
+   |       ~~~~~~~~~~~~~~~
+
+warning: unexpected `cfg` condition name
+  --> $DIR/diagnotics.rs:19:7
+   |
+LL | #[cfg(no_value)]
+   |       ^^^^^^^^ help: there is a config with a similar name: `no_values`
+
+warning: unexpected `cfg` condition name
+  --> $DIR/diagnotics.rs:23:7
+   |
+LL | #[cfg(no_value = "foo")]
+   |       ^^^^^^^^^^^^^^^^
+   |
+help: there is a config with a similar name and no value
+   |
+LL | #[cfg(no_values)]
+   |       ~~~~~~~~~
+
+warning: unexpected `cfg` condition value
+  --> $DIR/diagnotics.rs:27:7
+   |
+LL | #[cfg(no_values = "bar")]
+   |       ^^^^^^^^^--------
+   |                |
+   |                help: remove the value
+   |
+   = note: no expected value for `no_values`
+
+warning: 6 warnings emitted
+
diff --git a/tests/ui/check-cfg/invalid-cfg-name.stderr b/tests/ui/check-cfg/invalid-cfg-name.stderr
index 2bd1821c942..ed09f8cb66d 100644
--- a/tests/ui/check-cfg/invalid-cfg-name.stderr
+++ b/tests/ui/check-cfg/invalid-cfg-name.stderr
@@ -2,7 +2,7 @@ warning: unexpected `cfg` condition name
   --> $DIR/invalid-cfg-name.rs:7:7
    |
 LL | #[cfg(widnows)]
-   |       ^^^^^^^ help: did you mean: `windows`
+   |       ^^^^^^^ help: there is a config with a similar name: `windows`
    |
    = note: `#[warn(unexpected_cfgs)]` on by default
 
diff --git a/tests/ui/check-cfg/invalid-cfg-value.stderr b/tests/ui/check-cfg/invalid-cfg-value.stderr
index 83383ea61a4..776d264a7ad 100644
--- a/tests/ui/check-cfg/invalid-cfg-value.stderr
+++ b/tests/ui/check-cfg/invalid-cfg-value.stderr
@@ -4,9 +4,9 @@ warning: unexpected `cfg` condition value
 LL | #[cfg(feature = "sedre")]
    |       ^^^^^^^^^^-------
    |                 |
-   |                 help: did you mean: `"serde"`
+   |                 help: there is a expected value with a similar name: `"serde"`
    |
-   = note: expected values for `feature` are: full, serde
+   = note: expected values for `feature` are: `full`, `serde`
    = note: `#[warn(unexpected_cfgs)]` on by default
 
 warning: unexpected `cfg` condition value
@@ -15,7 +15,7 @@ warning: unexpected `cfg` condition value
 LL | #[cfg(feature = "rand")]
    |       ^^^^^^^^^^^^^^^^
    |
-   = note: expected values for `feature` are: full, serde
+   = note: expected values for `feature` are: `full`, `serde`
 
 warning: unexpected condition value `rand` for condition name `feature`
    |
diff --git a/tests/ui/check-cfg/mix.rs b/tests/ui/check-cfg/mix.rs
index 4e488fc03ec..9adf5c46e43 100644
--- a/tests/ui/check-cfg/mix.rs
+++ b/tests/ui/check-cfg/mix.rs
@@ -12,6 +12,10 @@ fn do_windows_stuff() {}
 //~^ WARNING unexpected `cfg` condition name
 fn do_windows_stuff() {}
 
+#[cfg(feature)]
+//~^ WARNING unexpected `cfg` condition value
+fn no_feature() {}
+
 #[cfg(feature = "foo")]
 fn use_foo() {}
 
diff --git a/tests/ui/check-cfg/mix.stderr b/tests/ui/check-cfg/mix.stderr
index 9cf887ec788..07c514aed52 100644
--- a/tests/ui/check-cfg/mix.stderr
+++ b/tests/ui/check-cfg/mix.stderr
@@ -2,28 +2,36 @@ warning: unexpected `cfg` condition name
   --> $DIR/mix.rs:11:7
    |
 LL | #[cfg(widnows)]
-   |       ^^^^^^^ help: did you mean: `windows`
+   |       ^^^^^^^ help: there is a config with a similar name: `windows`
    |
    = note: `#[warn(unexpected_cfgs)]` on by default
 
 warning: unexpected `cfg` condition value
-  --> $DIR/mix.rs:18:7
+  --> $DIR/mix.rs:15:7
+   |
+LL | #[cfg(feature)]
+   |       ^^^^^^^- help: specify a config value: `= "foo"`
+   |
+   = note: expected values for `feature` are: `foo`
+
+warning: unexpected `cfg` condition value
+  --> $DIR/mix.rs:22:7
    |
 LL | #[cfg(feature = "bar")]
    |       ^^^^^^^^^^^^^^^
    |
-   = note: expected values for `feature` are: foo
+   = note: expected values for `feature` are: `foo`
 
 warning: unexpected `cfg` condition value
-  --> $DIR/mix.rs:22:7
+  --> $DIR/mix.rs:26:7
    |
 LL | #[cfg(feature = "zebra")]
    |       ^^^^^^^^^^^^^^^^^
    |
-   = note: expected values for `feature` are: foo
+   = note: expected values for `feature` are: `foo`
 
 warning: unexpected `cfg` condition name
-  --> $DIR/mix.rs:26:12
+  --> $DIR/mix.rs:30:12
    |
 LL | #[cfg_attr(uu, test)]
    |            ^^
@@ -37,146 +45,146 @@ warning: unexpected `unknown_name` as condition name
    = help: was set with `--cfg` but isn't in the `--check-cfg` expected names
 
 warning: unexpected `cfg` condition name
-  --> $DIR/mix.rs:35:10
+  --> $DIR/mix.rs:39:10
    |
 LL |     cfg!(widnows);
-   |          ^^^^^^^ help: did you mean: `windows`
+   |          ^^^^^^^ help: there is a config with a similar name: `windows`
 
 warning: unexpected `cfg` condition value
-  --> $DIR/mix.rs:38:10
+  --> $DIR/mix.rs:42:10
    |
 LL |     cfg!(feature = "bar");
    |          ^^^^^^^^^^^^^^^
    |
-   = note: expected values for `feature` are: foo
+   = note: expected values for `feature` are: `foo`
 
 warning: unexpected `cfg` condition value
-  --> $DIR/mix.rs:40:10
+  --> $DIR/mix.rs:44:10
    |
 LL |     cfg!(feature = "zebra");
    |          ^^^^^^^^^^^^^^^^^
    |
-   = note: expected values for `feature` are: foo
+   = note: expected values for `feature` are: `foo`
 
 warning: unexpected `cfg` condition name
-  --> $DIR/mix.rs:42:10
+  --> $DIR/mix.rs:46:10
    |
 LL |     cfg!(xxx = "foo");
    |          ^^^^^^^^^^^
 
 warning: unexpected `cfg` condition name
-  --> $DIR/mix.rs:44:10
+  --> $DIR/mix.rs:48:10
    |
 LL |     cfg!(xxx);
    |          ^^^
 
 warning: unexpected `cfg` condition name
-  --> $DIR/mix.rs:46:14
+  --> $DIR/mix.rs:50:14
    |
 LL |     cfg!(any(xxx, windows));
    |              ^^^
 
 warning: unexpected `cfg` condition value
-  --> $DIR/mix.rs:48:14
+  --> $DIR/mix.rs:52:14
    |
 LL |     cfg!(any(feature = "bad", windows));
    |              ^^^^^^^^^^^^^^^
    |
-   = note: expected values for `feature` are: foo
+   = note: expected values for `feature` are: `foo`
 
 warning: unexpected `cfg` condition name
-  --> $DIR/mix.rs:50:23
+  --> $DIR/mix.rs:54:23
    |
 LL |     cfg!(any(windows, xxx));
    |                       ^^^
 
 warning: unexpected `cfg` condition name
-  --> $DIR/mix.rs:52:20
+  --> $DIR/mix.rs:56:20
    |
 LL |     cfg!(all(unix, xxx));
    |                    ^^^
 
 warning: unexpected `cfg` condition name
-  --> $DIR/mix.rs:54:14
+  --> $DIR/mix.rs:58:14
    |
 LL |     cfg!(all(aa, bb));
    |              ^^
 
 warning: unexpected `cfg` condition name
-  --> $DIR/mix.rs:54:18
+  --> $DIR/mix.rs:58:18
    |
 LL |     cfg!(all(aa, bb));
    |                  ^^
 
 warning: unexpected `cfg` condition name
-  --> $DIR/mix.rs:57:14
+  --> $DIR/mix.rs:61:14
    |
 LL |     cfg!(any(aa, bb));
    |              ^^
 
 warning: unexpected `cfg` condition name
-  --> $DIR/mix.rs:57:18
+  --> $DIR/mix.rs:61:18
    |
 LL |     cfg!(any(aa, bb));
    |                  ^^
 
 warning: unexpected `cfg` condition value
-  --> $DIR/mix.rs:60:20
+  --> $DIR/mix.rs:64:20
    |
 LL |     cfg!(any(unix, feature = "zebra"));
    |                    ^^^^^^^^^^^^^^^^^
    |
-   = note: expected values for `feature` are: foo
+   = note: expected values for `feature` are: `foo`
 
 warning: unexpected `cfg` condition name
-  --> $DIR/mix.rs:62:14
+  --> $DIR/mix.rs:66:14
    |
 LL |     cfg!(any(xxx, feature = "zebra"));
    |              ^^^
 
 warning: unexpected `cfg` condition value
-  --> $DIR/mix.rs:62:19
+  --> $DIR/mix.rs:66:19
    |
 LL |     cfg!(any(xxx, feature = "zebra"));
    |                   ^^^^^^^^^^^^^^^^^
    |
-   = note: expected values for `feature` are: foo
+   = note: expected values for `feature` are: `foo`
 
 warning: unexpected `cfg` condition name
-  --> $DIR/mix.rs:65:14
+  --> $DIR/mix.rs:69:14
    |
 LL |     cfg!(any(xxx, unix, xxx));
    |              ^^^
 
 warning: unexpected `cfg` condition name
-  --> $DIR/mix.rs:65:25
+  --> $DIR/mix.rs:69:25
    |
 LL |     cfg!(any(xxx, unix, xxx));
    |                         ^^^
 
 warning: unexpected `cfg` condition value
-  --> $DIR/mix.rs:68:14
+  --> $DIR/mix.rs:72:14
    |
 LL |     cfg!(all(feature = "zebra", feature = "zebra", feature = "zebra"));
    |              ^^^^^^^^^^^^^^^^^
    |
-   = note: expected values for `feature` are: foo
+   = note: expected values for `feature` are: `foo`
 
 warning: unexpected `cfg` condition value
-  --> $DIR/mix.rs:68:33
+  --> $DIR/mix.rs:72:33
    |
 LL |     cfg!(all(feature = "zebra", feature = "zebra", feature = "zebra"));
    |                                 ^^^^^^^^^^^^^^^^^
    |
-   = note: expected values for `feature` are: foo
+   = note: expected values for `feature` are: `foo`
 
 warning: unexpected `cfg` condition value
-  --> $DIR/mix.rs:68:52
+  --> $DIR/mix.rs:72:52
    |
 LL |     cfg!(all(feature = "zebra", feature = "zebra", feature = "zebra"));
    |                                                    ^^^^^^^^^^^^^^^^^
    |
-   = note: expected values for `feature` are: foo
+   = note: expected values for `feature` are: `foo`
 
-warning: 27 warnings emitted
+warning: 28 warnings emitted
 
diff --git a/tests/ui/check-cfg/no-values.stderr b/tests/ui/check-cfg/no-values.stderr
index 8c926d187fe..ffa87dc58f2 100644
--- a/tests/ui/check-cfg/no-values.stderr
+++ b/tests/ui/check-cfg/no-values.stderr
@@ -2,7 +2,9 @@ warning: unexpected `cfg` condition value
   --> $DIR/no-values.rs:6:7
    |
 LL | #[cfg(feature = "foo")]
-   |       ^^^^^^^^^^^^^^^
+   |       ^^^^^^^--------
+   |              |
+   |              help: remove the value
    |
    = note: no expected value for `feature`
    = note: `#[warn(unexpected_cfgs)]` on by default
diff --git a/tests/ui/check-cfg/order-independant.names_after.stderr b/tests/ui/check-cfg/order-independant.names_after.stderr
new file mode 100644
index 00000000000..91b81428b38
--- /dev/null
+++ b/tests/ui/check-cfg/order-independant.names_after.stderr
@@ -0,0 +1,19 @@
+warning: unexpected `cfg` condition value
+  --> $DIR/order-independant.rs:8:7
+   |
+LL | #[cfg(a)]
+   |       ^- help: specify a config value: `= "b"`
+   |
+   = note: expected values for `a` are: `b`
+   = note: `#[warn(unexpected_cfgs)]` on by default
+
+warning: unexpected `cfg` condition value
+  --> $DIR/order-independant.rs:12:7
+   |
+LL | #[cfg(a = "unk")]
+   |       ^^^^^^^^^
+   |
+   = note: expected values for `a` are: `b`
+
+warning: 2 warnings emitted
+
diff --git a/tests/ui/check-cfg/order-independant.names_before.stderr b/tests/ui/check-cfg/order-independant.names_before.stderr
new file mode 100644
index 00000000000..91b81428b38
--- /dev/null
+++ b/tests/ui/check-cfg/order-independant.names_before.stderr
@@ -0,0 +1,19 @@
+warning: unexpected `cfg` condition value
+  --> $DIR/order-independant.rs:8:7
+   |
+LL | #[cfg(a)]
+   |       ^- help: specify a config value: `= "b"`
+   |
+   = note: expected values for `a` are: `b`
+   = note: `#[warn(unexpected_cfgs)]` on by default
+
+warning: unexpected `cfg` condition value
+  --> $DIR/order-independant.rs:12:7
+   |
+LL | #[cfg(a = "unk")]
+   |       ^^^^^^^^^
+   |
+   = note: expected values for `a` are: `b`
+
+warning: 2 warnings emitted
+
diff --git a/tests/ui/check-cfg/order-independant.rs b/tests/ui/check-cfg/order-independant.rs
new file mode 100644
index 00000000000..ce056b8dcd6
--- /dev/null
+++ b/tests/ui/check-cfg/order-independant.rs
@@ -0,0 +1,16 @@
+// check-pass
+// revisions: names_before names_after
+// compile-flags: -Z unstable-options
+// compile-flags: --check-cfg=names(names_before,names_after)
+// [names_before]compile-flags: --check-cfg=names(a) --check-cfg=values(a,"b")
+// [names_after]compile-flags: --check-cfg=values(a,"b") --check-cfg=names(a)
+
+#[cfg(a)]
+//~^ WARNING unexpected `cfg` condition value
+fn my_cfg() {}
+
+#[cfg(a = "unk")]
+//~^ WARNING unexpected `cfg` condition value
+fn my_cfg() {}
+
+fn main() {}
diff --git a/tests/ui/check-cfg/values-target-json.stderr b/tests/ui/check-cfg/values-target-json.stderr
index b58d2970773..eb81535e3ed 100644
--- a/tests/ui/check-cfg/values-target-json.stderr
+++ b/tests/ui/check-cfg/values-target-json.stderr
@@ -4,9 +4,9 @@ warning: unexpected `cfg` condition value
 LL | #[cfg(target_os = "linuz")]
    |       ^^^^^^^^^^^^-------
    |                   |
-   |                   help: did you mean: `"linux"`
+   |                   help: there is a expected value with a similar name: `"linux"`
    |
-   = note: expected values for `target_os` are: aix, android, cuda, dragonfly, emscripten, ericos, espidf, freebsd, fuchsia, haiku, hermit, horizon, illumos, ios, l4re, linux, macos, netbsd, none, nto, openbsd, psp, redox, solaris, solid_asp3, tvos, uefi, unknown, vita, vxworks, wasi, watchos, windows, xous
+   = note: expected values for `target_os` are: `aix`, `android`, `cuda`, `dragonfly`, `emscripten`, `ericos`, `espidf`, `freebsd`, `fuchsia`, `haiku`, `hermit`, `horizon`, `illumos`, `ios`, `l4re`, `linux`, `macos`, `netbsd`, `none`, `nto`, `openbsd`, `psp`, `redox`, `solaris`, `solid_asp3`, `tvos`, `uefi`, `unknown`, `vita`, `vxworks`, `wasi`, `watchos`, `windows`, `xous`
    = note: `#[warn(unexpected_cfgs)]` on by default
 
 warning: 1 warning emitted
diff --git a/tests/ui/check-cfg/well-known-names.stderr b/tests/ui/check-cfg/well-known-names.stderr
index bdbe4d29d30..34c5d6172d9 100644
--- a/tests/ui/check-cfg/well-known-names.stderr
+++ b/tests/ui/check-cfg/well-known-names.stderr
@@ -4,7 +4,7 @@ warning: unexpected `cfg` condition name
 LL | #[cfg(target_oz = "linux")]
    |       ---------^^^^^^^^^^
    |       |
-   |       help: did you mean: `target_os`
+   |       help: there is a config with a similar name: `target_os`
    |
    = note: `#[warn(unexpected_cfgs)]` on by default
 
@@ -14,13 +14,13 @@ warning: unexpected `cfg` condition name
 LL | #[cfg(features = "foo")]
    |       --------^^^^^^^^
    |       |
-   |       help: did you mean: `feature`
+   |       help: there is a config with a similar name: `feature`
 
 warning: unexpected `cfg` condition name
   --> $DIR/well-known-names.rs:20:7
    |
 LL | #[cfg(uniw)]
-   |       ^^^^ help: did you mean: `unix`
+   |       ^^^^ help: there is a config with a similar name: `unix`
 
 warning: 3 warnings emitted
 
diff --git a/tests/ui/check-cfg/well-known-values.stderr b/tests/ui/check-cfg/well-known-values.stderr
index 69d799783a9..2d18cb82e03 100644
--- a/tests/ui/check-cfg/well-known-values.stderr
+++ b/tests/ui/check-cfg/well-known-values.stderr
@@ -4,9 +4,9 @@ warning: unexpected `cfg` condition value
 LL | #[cfg(target_os = "linuz")]
    |       ^^^^^^^^^^^^-------
    |                   |
-   |                   help: did you mean: `"linux"`
+   |                   help: there is a expected value with a similar name: `"linux"`
    |
-   = note: expected values for `target_os` are: aix, android, cuda, dragonfly, emscripten, espidf, freebsd, fuchsia, haiku, hermit, horizon, illumos, ios, l4re, linux, macos, netbsd, none, nto, openbsd, psp, redox, solaris, solid_asp3, tvos, uefi, unknown, vita, vxworks, wasi, watchos, windows, xous
+   = note: expected values for `target_os` are: `aix`, `android`, `cuda`, `dragonfly`, `emscripten`, `espidf`, `freebsd`, `fuchsia`, `haiku`, `hermit`, `horizon`, `illumos`, `ios`, `l4re`, `linux`, `macos`, `netbsd`, `none`, `nto`, `openbsd`, `psp`, `redox`, `solaris`, `solid_asp3`, `tvos`, `uefi`, `unknown`, `vita`, `vxworks`, `wasi`, `watchos`, `windows`, `xous`
    = note: `#[warn(unexpected_cfgs)]` on by default
 
 warning: unexpected `cfg` condition value
@@ -15,9 +15,9 @@ warning: unexpected `cfg` condition value
 LL | #[cfg(target_has_atomic = "0")]
    |       ^^^^^^^^^^^^^^^^^^^^---
    |                           |
-   |                           help: did you mean: `"8"`
+   |                           help: there is a expected value with a similar name: `"8"`
    |
-   = note: expected values for `target_has_atomic` are: 128, 16, 32, 64, 8, ptr
+   = note: expected values for `target_has_atomic` are: (none), `128`, `16`, `32`, `64`, `8`, `ptr`
 
 warning: unexpected `cfg` condition value
   --> $DIR/well-known-values.rs:21:7
diff --git a/tests/ui/closure_context/issue-26046-fn-mut.stderr b/tests/ui/closure_context/issue-26046-fn-mut.stderr
index f744b71c284..e468f6be791 100644
--- a/tests/ui/closure_context/issue-26046-fn-mut.stderr
+++ b/tests/ui/closure_context/issue-26046-fn-mut.stderr
@@ -9,7 +9,7 @@ LL |         num += 1;
 LL |     Box::new(closure)
    |     ----------------- the requirement to implement `Fn` derives from here
    |
-   = note: required for the cast from `[closure@$DIR/issue-26046-fn-mut.rs:4:19: 4:21]` to the object type `dyn Fn()`
+   = note: required for the cast from `Box<[closure@$DIR/issue-26046-fn-mut.rs:4:19: 4:21]>` to `Box<(dyn Fn() + 'static)>`
 
 error: aborting due to previous error
 
diff --git a/tests/ui/closure_context/issue-26046-fn-once.stderr b/tests/ui/closure_context/issue-26046-fn-once.stderr
index 34f94f9dca6..41f60327ce0 100644
--- a/tests/ui/closure_context/issue-26046-fn-once.stderr
+++ b/tests/ui/closure_context/issue-26046-fn-once.stderr
@@ -9,7 +9,7 @@ LL |         vec
 LL |     Box::new(closure)
    |     ----------------- the requirement to implement `Fn` derives from here
    |
-   = note: required for the cast from `[closure@$DIR/issue-26046-fn-once.rs:4:19: 4:26]` to the object type `dyn Fn() -> Vec<u8>`
+   = note: required for the cast from `Box<[closure@$DIR/issue-26046-fn-once.rs:4:19: 4:26]>` to `Box<(dyn Fn() -> Vec<u8> + 'static)>`
 
 error: aborting due to previous error
 
diff --git a/tests/ui/closures/2229_closure_analysis/bad-pattern.rs b/tests/ui/closures/2229_closure_analysis/bad-pattern.rs
new file mode 100644
index 00000000000..a7bf9b67d45
--- /dev/null
+++ b/tests/ui/closures/2229_closure_analysis/bad-pattern.rs
@@ -0,0 +1,23 @@
+// regression test for #108683
+// edition:2021
+
+enum Refutable {
+    A,
+    B,
+}
+
+fn example(v1: u32, v2: [u32; 4], v3: Refutable) {
+    const PAT: u32 = 0;
+    let v4 = &v2[..];
+    || {
+        let 0 = v1; //~ ERROR refutable pattern in local binding
+        let (0 | 1) = v1; //~ ERROR refutable pattern in local binding
+        let 1.. = v1; //~ ERROR refutable pattern in local binding
+        let [0, 0, 0, 0] = v2; //~ ERROR refutable pattern in local binding
+        let [0] = v4; //~ ERROR refutable pattern in local binding
+        let Refutable::A = v3; //~ ERROR refutable pattern in local binding
+        let PAT = v1; //~ ERROR refutable pattern in local binding
+    };
+}
+
+fn main() {}
diff --git a/tests/ui/closures/2229_closure_analysis/bad-pattern.stderr b/tests/ui/closures/2229_closure_analysis/bad-pattern.stderr
new file mode 100644
index 00000000000..ca8c2a16d32
--- /dev/null
+++ b/tests/ui/closures/2229_closure_analysis/bad-pattern.stderr
@@ -0,0 +1,113 @@
+error[E0005]: refutable pattern in local binding
+  --> $DIR/bad-pattern.rs:13:13
+   |
+LL |         let 0 = v1;
+   |             ^ pattern `1_u32..=u32::MAX` not covered
+   |
+   = note: `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant
+   = note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html
+   = note: the matched value is of type `u32`
+help: you might want to use `if let` to ignore the variant that isn't matched
+   |
+LL |         if let 0 = v1 { todo!() };
+   |         ++            +++++++++++
+help: alternatively, you could prepend the pattern with an underscore to define a new named variable; identifiers cannot begin with digits
+   |
+LL |         let _0 = v1;
+   |             +
+
+error[E0005]: refutable pattern in local binding
+  --> $DIR/bad-pattern.rs:14:14
+   |
+LL |         let (0 | 1) = v1;
+   |              ^^^^^ pattern `2_u32..=u32::MAX` not covered
+   |
+   = note: `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant
+   = note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html
+   = note: the matched value is of type `u32`
+help: you might want to use `if let` to ignore the variant that isn't matched
+   |
+LL |         if let (0 | 1) = v1 { todo!() };
+   |         ++                  +++++++++++
+
+error[E0005]: refutable pattern in local binding
+  --> $DIR/bad-pattern.rs:15:13
+   |
+LL |         let 1.. = v1;
+   |             ^^^ pattern `0_u32` not covered
+   |
+   = note: `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant
+   = note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html
+   = note: the matched value is of type `u32`
+help: you might want to use `if let` to ignore the variant that isn't matched
+   |
+LL |         if let 1.. = v1 { todo!() };
+   |         ++              +++++++++++
+
+error[E0005]: refutable pattern in local binding
+  --> $DIR/bad-pattern.rs:16:13
+   |
+LL |         let [0, 0, 0, 0] = v2;
+   |             ^^^^^^^^^^^^ pattern `[1_u32..=u32::MAX, _, _, _]` not covered
+   |
+   = note: `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant
+   = note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html
+   = note: the matched value is of type `[u32; 4]`
+help: you might want to use `if let` to ignore the variant that isn't matched
+   |
+LL |         if let [0, 0, 0, 0] = v2 { todo!() };
+   |         ++                       +++++++++++
+
+error[E0005]: refutable pattern in local binding
+  --> $DIR/bad-pattern.rs:17:13
+   |
+LL |         let [0] = v4;
+   |             ^^^ patterns `&[]` and `&[_, _, ..]` not covered
+   |
+   = note: `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant
+   = note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html
+   = note: the matched value is of type `&[u32]`
+help: you might want to use `if let` to ignore the variants that aren't matched
+   |
+LL |         if let [0] = v4 { todo!() };
+   |         ++              +++++++++++
+
+error[E0005]: refutable pattern in local binding
+  --> $DIR/bad-pattern.rs:18:13
+   |
+LL |         let Refutable::A = v3;
+   |             ^^^^^^^^^^^^ pattern `Refutable::B` not covered
+   |
+   = note: `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant
+   = note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html
+note: `Refutable` defined here
+  --> $DIR/bad-pattern.rs:4:6
+   |
+LL | enum Refutable {
+   |      ^^^^^^^^^
+LL |     A,
+LL |     B,
+   |     - not covered
+   = note: the matched value is of type `Refutable`
+help: you might want to use `if let` to ignore the variant that isn't matched
+   |
+LL |         if let Refutable::A = v3 { todo!() };
+   |         ++                       +++++++++++
+
+error[E0005]: refutable pattern in local binding
+  --> $DIR/bad-pattern.rs:19:13
+   |
+LL |         let PAT = v1;
+   |             ^^^
+   |             |
+   |             pattern `1_u32..=u32::MAX` not covered
+   |             missing patterns are not covered because `PAT` is interpreted as a constant pattern, not a new variable
+   |             help: introduce a variable instead: `PAT_var`
+   |
+   = note: `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant
+   = note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html
+   = note: the matched value is of type `u32`
+
+error: aborting due to 7 previous errors
+
+For more information about this error, try `rustc --explain E0005`.
diff --git a/tests/ui/closures/2229_closure_analysis/diagnostics/mut_ref.stderr b/tests/ui/closures/2229_closure_analysis/diagnostics/mut_ref.stderr
index 95f36fc042c..1904faa9598 100644
--- a/tests/ui/closures/2229_closure_analysis/diagnostics/mut_ref.stderr
+++ b/tests/ui/closures/2229_closure_analysis/diagnostics/mut_ref.stderr
@@ -10,7 +10,7 @@ LL |         **ref_mref_x = y;
 help: consider changing this to be a mutable reference
    |
 LL |     let ref_mref_x = &mut mref_x;
-   |                      ~~~~~~~~~~~
+   |                       +++
 
 error[E0596]: cannot borrow `**mref_ref_x` as mutable, as it is behind a `&` reference
   --> $DIR/mut_ref.rs:26:13
diff --git a/tests/ui/closures/2229_closure_analysis/migrations/issue-78720.rs b/tests/ui/closures/2229_closure_analysis/migrations/issue-78720.rs
index ff5d284614b..bc7295a0826 100644
--- a/tests/ui/closures/2229_closure_analysis/migrations/issue-78720.rs
+++ b/tests/ui/closures/2229_closure_analysis/migrations/issue-78720.rs
@@ -1,6 +1,7 @@
 // run-pass
 
 #![warn(rust_2021_incompatible_closure_captures)]
+#![allow(drop_ref, drop_copy)]
 
 fn main() {
     if let a = "" {
diff --git a/tests/ui/closures/2229_closure_analysis/migrations/issue-78720.stderr b/tests/ui/closures/2229_closure_analysis/migrations/issue-78720.stderr
index 36a80e694e8..2609e2951ec 100644
--- a/tests/ui/closures/2229_closure_analysis/migrations/issue-78720.stderr
+++ b/tests/ui/closures/2229_closure_analysis/migrations/issue-78720.stderr
@@ -1,5 +1,5 @@
 warning: irrefutable `if let` pattern
-  --> $DIR/issue-78720.rs:6:8
+  --> $DIR/issue-78720.rs:7:8
    |
 LL |     if let a = "" {
    |        ^^^^^^^^^^
diff --git a/tests/ui/closures/2229_closure_analysis/optimization/edge_case_run_pass.rs b/tests/ui/closures/2229_closure_analysis/optimization/edge_case_run_pass.rs
index 033fd6f1775..0f15f664e75 100644
--- a/tests/ui/closures/2229_closure_analysis/optimization/edge_case_run_pass.rs
+++ b/tests/ui/closures/2229_closure_analysis/optimization/edge_case_run_pass.rs
@@ -3,6 +3,7 @@
 
 #![allow(unused)]
 #![allow(dead_code)]
+#![allow(drop_ref)]
 
 struct Int(i32);
 struct B<'a>(&'a i32);
diff --git a/tests/ui/closures/2229_closure_analysis/run_pass/drop_then_use_fake_reads.rs b/tests/ui/closures/2229_closure_analysis/run_pass/drop_then_use_fake_reads.rs
index 477fdd613f5..a097424a021 100644
--- a/tests/ui/closures/2229_closure_analysis/run_pass/drop_then_use_fake_reads.rs
+++ b/tests/ui/closures/2229_closure_analysis/run_pass/drop_then_use_fake_reads.rs
@@ -1,6 +1,8 @@
 // edition:2021
 // check-pass
+
 #![feature(rustc_attrs)]
+#![allow(drop_ref)]
 
 fn main() {
     let mut x = 1;
diff --git a/tests/ui/closures/2229_closure_analysis/run_pass/multivariant.rs b/tests/ui/closures/2229_closure_analysis/run_pass/multivariant.rs
new file mode 100644
index 00000000000..72652ef6034
--- /dev/null
+++ b/tests/ui/closures/2229_closure_analysis/run_pass/multivariant.rs
@@ -0,0 +1,21 @@
+// Test precise capture of a multi-variant enum (when remaining variants are
+// visibly uninhabited).
+// edition:2021
+// run-pass
+#![feature(exhaustive_patterns)]
+#![feature(never_type)]
+
+pub fn main() {
+    let mut r = Result::<!, (u32, u32)>::Err((0, 0));
+    let mut f = || {
+        let Err((ref mut a, _)) = r;
+        *a = 1;
+    };
+    let mut g = || {
+        let Err((_, ref mut b)) = r;
+        *b = 2;
+    };
+    f();
+    g();
+    assert_eq!(r, Err((1, 2)));
+}
diff --git a/tests/ui/issues/issue-868.rs b/tests/ui/closures/issue-868.rs
index ce0a3c7ca52..ce0a3c7ca52 100644
--- a/tests/ui/issues/issue-868.rs
+++ b/tests/ui/closures/issue-868.rs
diff --git a/tests/ui/coercion/coerce-issue-49593-box-never-windows.nofallback.stderr b/tests/ui/coercion/coerce-issue-49593-box-never-windows.nofallback.stderr
index 980da536034..b976f70acf7 100644
--- a/tests/ui/coercion/coerce-issue-49593-box-never-windows.nofallback.stderr
+++ b/tests/ui/coercion/coerce-issue-49593-box-never-windows.nofallback.stderr
@@ -4,7 +4,7 @@ error[E0277]: the trait bound `(): std::error::Error` is not satisfied
 LL |     /* *mut $0 is coerced to Box<dyn Error> here */ Box::<_ /* ! */>::new(x)
    |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^ the trait `std::error::Error` is not implemented for `()`
    |
-   = note: required for the cast from `()` to the object type `dyn std::error::Error`
+   = note: required for the cast from `Box<()>` to `Box<(dyn std::error::Error + 'static)>`
 
 error[E0277]: the trait bound `(): std::error::Error` is not satisfied
   --> $DIR/coerce-issue-49593-box-never-windows.rs:23:49
@@ -12,7 +12,7 @@ error[E0277]: the trait bound `(): std::error::Error` is not satisfied
 LL |     /* *mut $0 is coerced to *mut Error here */ raw_ptr_box::<_ /* ! */>(x)
    |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `std::error::Error` is not implemented for `()`
    |
-   = note: required for the cast from `()` to the object type `(dyn std::error::Error + 'static)`
+   = note: required for the cast from `*mut ()` to `*mut (dyn std::error::Error + 'static)`
 
 error: aborting due to 2 previous errors
 
diff --git a/tests/ui/coercion/coerce-issue-49593-box-never.nofallback.stderr b/tests/ui/coercion/coerce-issue-49593-box-never.nofallback.stderr
index 322681b97bc..0d98fa93e5a 100644
--- a/tests/ui/coercion/coerce-issue-49593-box-never.nofallback.stderr
+++ b/tests/ui/coercion/coerce-issue-49593-box-never.nofallback.stderr
@@ -4,7 +4,7 @@ error[E0277]: the trait bound `(): std::error::Error` is not satisfied
 LL |     /* *mut $0 is coerced to Box<dyn Error> here */ Box::<_ /* ! */>::new(x)
    |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^ the trait `std::error::Error` is not implemented for `()`
    |
-   = note: required for the cast from `()` to the object type `dyn std::error::Error`
+   = note: required for the cast from `Box<()>` to `Box<(dyn std::error::Error + 'static)>`
 
 error[E0277]: the trait bound `(): std::error::Error` is not satisfied
   --> $DIR/coerce-issue-49593-box-never.rs:23:49
@@ -12,7 +12,7 @@ error[E0277]: the trait bound `(): std::error::Error` is not satisfied
 LL |     /* *mut $0 is coerced to *mut Error here */ raw_ptr_box::<_ /* ! */>(x)
    |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `std::error::Error` is not implemented for `()`
    |
-   = note: required for the cast from `()` to the object type `(dyn std::error::Error + 'static)`
+   = note: required for the cast from `*mut ()` to `*mut (dyn std::error::Error + 'static)`
 
 error: aborting due to 2 previous errors
 
diff --git a/tests/ui/coercion/coercion-slice.stderr b/tests/ui/coercion/coercion-slice.stderr
index c7b856a57eb..17bbca7a0bd 100644
--- a/tests/ui/coercion/coercion-slice.stderr
+++ b/tests/ui/coercion/coercion-slice.stderr
@@ -2,11 +2,14 @@ error[E0308]: mismatched types
   --> $DIR/coercion-slice.rs:4:21
    |
 LL |     let _: &[i32] = [0];
-   |            ------   ^^^
-   |            |        |
-   |            |        expected `&[i32]`, found `[{integer}; 1]`
-   |            |        help: consider borrowing here: `&[0]`
+   |            ------   ^^^ expected `&[i32]`, found `[{integer}; 1]`
+   |            |
    |            expected due to this
+   |
+help: consider borrowing here
+   |
+LL |     let _: &[i32] = &[0];
+   |                     +
 
 error: aborting due to previous error
 
diff --git a/tests/ui/const-generics/adt_const_params/const_param_ty_bad.rs b/tests/ui/const-generics/adt_const_params/const_param_ty_bad.rs
new file mode 100644
index 00000000000..0da68ae7573
--- /dev/null
+++ b/tests/ui/const-generics/adt_const_params/const_param_ty_bad.rs
@@ -0,0 +1,13 @@
+#![allow(incomplete_features)]
+#![feature(adt_const_params)]
+
+fn check(_: impl std::marker::ConstParamTy) {}
+
+fn main() {
+    check(main);               //~ error: `fn() {main}` can't be used as a const parameter type
+    check(|| {});              //~ error: `[closure@$DIR/const_param_ty_bad.rs:8:11: 8:13]` can't be used as a const parameter type
+    check(main as fn());       //~ error: `fn()` can't be used as a const parameter type
+    check(&mut ());            //~ error: `&mut ()` can't be used as a const parameter type
+    check(&mut () as *mut ()); //~ error: `*mut ()` can't be used as a const parameter type
+    check(&() as *const ());   //~ error: `*const ()` can't be used as a const parameter type
+}
diff --git a/tests/ui/const-generics/adt_const_params/const_param_ty_bad.stderr b/tests/ui/const-generics/adt_const_params/const_param_ty_bad.stderr
new file mode 100644
index 00000000000..de5704ee429
--- /dev/null
+++ b/tests/ui/const-generics/adt_const_params/const_param_ty_bad.stderr
@@ -0,0 +1,87 @@
+error[E0277]: `fn() {main}` can't be used as a const parameter type
+  --> $DIR/const_param_ty_bad.rs:7:11
+   |
+LL |     check(main);
+   |     ----- ^^^^ the trait `ConstParamTy` is not implemented for fn item `fn() {main}`
+   |     |
+   |     required by a bound introduced by this call
+   |
+note: required by a bound in `check`
+  --> $DIR/const_param_ty_bad.rs:4:18
+   |
+LL | fn check(_: impl std::marker::ConstParamTy) {}
+   |                  ^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `check`
+
+error[E0277]: `[closure@$DIR/const_param_ty_bad.rs:8:11: 8:13]` can't be used as a const parameter type
+  --> $DIR/const_param_ty_bad.rs:8:11
+   |
+LL |     check(|| {});
+   |     ----- ^^^^^ the trait `ConstParamTy` is not implemented for closure `[closure@$DIR/const_param_ty_bad.rs:8:11: 8:13]`
+   |     |
+   |     required by a bound introduced by this call
+   |
+note: required by a bound in `check`
+  --> $DIR/const_param_ty_bad.rs:4:18
+   |
+LL | fn check(_: impl std::marker::ConstParamTy) {}
+   |                  ^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `check`
+
+error[E0277]: `fn()` can't be used as a const parameter type
+  --> $DIR/const_param_ty_bad.rs:9:11
+   |
+LL |     check(main as fn());
+   |     ----- ^^^^^^^^^^^^ the trait `ConstParamTy` is not implemented for `fn()`
+   |     |
+   |     required by a bound introduced by this call
+   |
+note: required by a bound in `check`
+  --> $DIR/const_param_ty_bad.rs:4:18
+   |
+LL | fn check(_: impl std::marker::ConstParamTy) {}
+   |                  ^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `check`
+
+error[E0277]: `&mut ()` can't be used as a const parameter type
+  --> $DIR/const_param_ty_bad.rs:10:11
+   |
+LL |     check(&mut ());
+   |     ----- ^^^^^^^ the trait `ConstParamTy` is not implemented for `&mut ()`
+   |     |
+   |     required by a bound introduced by this call
+   |
+note: required by a bound in `check`
+  --> $DIR/const_param_ty_bad.rs:4:18
+   |
+LL | fn check(_: impl std::marker::ConstParamTy) {}
+   |                  ^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `check`
+
+error[E0277]: `*mut ()` can't be used as a const parameter type
+  --> $DIR/const_param_ty_bad.rs:11:11
+   |
+LL |     check(&mut () as *mut ());
+   |     ----- ^^^^^^^^^^^^^^^^^^ the trait `ConstParamTy` is not implemented for `*mut ()`
+   |     |
+   |     required by a bound introduced by this call
+   |
+note: required by a bound in `check`
+  --> $DIR/const_param_ty_bad.rs:4:18
+   |
+LL | fn check(_: impl std::marker::ConstParamTy) {}
+   |                  ^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `check`
+
+error[E0277]: `*const ()` can't be used as a const parameter type
+  --> $DIR/const_param_ty_bad.rs:12:11
+   |
+LL |     check(&() as *const ());
+   |     ----- ^^^^^^^^^^^^^^^^ the trait `ConstParamTy` is not implemented for `*const ()`
+   |     |
+   |     required by a bound introduced by this call
+   |
+note: required by a bound in `check`
+  --> $DIR/const_param_ty_bad.rs:4:18
+   |
+LL | fn check(_: impl std::marker::ConstParamTy) {}
+   |                  ^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `check`
+
+error: aborting due to 6 previous errors
+
+For more information about this error, try `rustc --explain E0277`.
diff --git a/tests/ui/const-generics/adt_const_params/const_param_ty_bad_empty_array.rs b/tests/ui/const-generics/adt_const_params/const_param_ty_bad_empty_array.rs
new file mode 100644
index 00000000000..b0e3b13cc1e
--- /dev/null
+++ b/tests/ui/const-generics/adt_const_params/const_param_ty_bad_empty_array.rs
@@ -0,0 +1,12 @@
+#![allow(incomplete_features)]
+#![feature(adt_const_params)]
+
+#[derive(PartialEq, Eq)]
+struct NotParam;
+
+fn check<T: std::marker::ConstParamTy>() {}
+
+fn main() {
+    check::<[NotParam; 0]>();
+    //~^ error: `NotParam` can't be used as a const parameter type
+}
diff --git a/tests/ui/const-generics/adt_const_params/const_param_ty_bad_empty_array.stderr b/tests/ui/const-generics/adt_const_params/const_param_ty_bad_empty_array.stderr
new file mode 100644
index 00000000000..ef55242df87
--- /dev/null
+++ b/tests/ui/const-generics/adt_const_params/const_param_ty_bad_empty_array.stderr
@@ -0,0 +1,16 @@
+error[E0277]: `NotParam` can't be used as a const parameter type
+  --> $DIR/const_param_ty_bad_empty_array.rs:10:13
+   |
+LL |     check::<[NotParam; 0]>();
+   |             ^^^^^^^^^^^^^ the trait `ConstParamTy` is not implemented for `NotParam`
+   |
+   = note: required for `[NotParam; 0]` to implement `ConstParamTy`
+note: required by a bound in `check`
+  --> $DIR/const_param_ty_bad_empty_array.rs:7:13
+   |
+LL | fn check<T: std::marker::ConstParamTy>() {}
+   |             ^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `check`
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0277`.
diff --git a/tests/ui/const-generics/adt_const_params/const_param_ty_generic_bounds_do_not_hold.rs b/tests/ui/const-generics/adt_const_params/const_param_ty_generic_bounds_do_not_hold.rs
new file mode 100644
index 00000000000..e4dc76703a2
--- /dev/null
+++ b/tests/ui/const-generics/adt_const_params/const_param_ty_generic_bounds_do_not_hold.rs
@@ -0,0 +1,13 @@
+#![allow(incomplete_features)]
+#![feature(adt_const_params)]
+
+#[derive(PartialEq, Eq)]
+struct NotParam;
+
+fn check<T: std::marker::ConstParamTy + ?Sized>() {}
+
+fn main() {
+    check::<&NotParam>();      //~ error: `NotParam` can't be used as a const parameter type
+    check::<[NotParam]>();     //~ error: `NotParam` can't be used as a const parameter type
+    check::<[NotParam; 17]>(); //~ error: `NotParam` can't be used as a const parameter type
+}
diff --git a/tests/ui/const-generics/adt_const_params/const_param_ty_generic_bounds_do_not_hold.stderr b/tests/ui/const-generics/adt_const_params/const_param_ty_generic_bounds_do_not_hold.stderr
new file mode 100644
index 00000000000..86d1c94e87f
--- /dev/null
+++ b/tests/ui/const-generics/adt_const_params/const_param_ty_generic_bounds_do_not_hold.stderr
@@ -0,0 +1,42 @@
+error[E0277]: `NotParam` can't be used as a const parameter type
+  --> $DIR/const_param_ty_generic_bounds_do_not_hold.rs:10:13
+   |
+LL |     check::<&NotParam>();
+   |             ^^^^^^^^^ the trait `ConstParamTy` is not implemented for `NotParam`
+   |
+   = note: required for `&NotParam` to implement `ConstParamTy`
+note: required by a bound in `check`
+  --> $DIR/const_param_ty_generic_bounds_do_not_hold.rs:7:13
+   |
+LL | fn check<T: std::marker::ConstParamTy + ?Sized>() {}
+   |             ^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `check`
+
+error[E0277]: `NotParam` can't be used as a const parameter type
+  --> $DIR/const_param_ty_generic_bounds_do_not_hold.rs:11:13
+   |
+LL |     check::<[NotParam]>();
+   |             ^^^^^^^^^^ the trait `ConstParamTy` is not implemented for `NotParam`
+   |
+   = note: required for `[NotParam]` to implement `ConstParamTy`
+note: required by a bound in `check`
+  --> $DIR/const_param_ty_generic_bounds_do_not_hold.rs:7:13
+   |
+LL | fn check<T: std::marker::ConstParamTy + ?Sized>() {}
+   |             ^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `check`
+
+error[E0277]: `NotParam` can't be used as a const parameter type
+  --> $DIR/const_param_ty_generic_bounds_do_not_hold.rs:12:13
+   |
+LL |     check::<[NotParam; 17]>();
+   |             ^^^^^^^^^^^^^^ the trait `ConstParamTy` is not implemented for `NotParam`
+   |
+   = note: required for `[NotParam; 17]` to implement `ConstParamTy`
+note: required by a bound in `check`
+  --> $DIR/const_param_ty_generic_bounds_do_not_hold.rs:7:13
+   |
+LL | fn check<T: std::marker::ConstParamTy + ?Sized>() {}
+   |             ^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `check`
+
+error: aborting due to 3 previous errors
+
+For more information about this error, try `rustc --explain E0277`.
diff --git a/tests/ui/const-generics/adt_const_params/const_param_ty_good.rs b/tests/ui/const-generics/adt_const_params/const_param_ty_good.rs
new file mode 100644
index 00000000000..87ae83dd966
--- /dev/null
+++ b/tests/ui/const-generics/adt_const_params/const_param_ty_good.rs
@@ -0,0 +1,53 @@
+// check-pass
+#![allow(incomplete_features)]
+#![feature(adt_const_params)]
+use std::marker::ConstParamTy;
+
+#[derive(PartialEq, Eq)]
+struct S<T> {
+    field: u8,
+    gen: T,
+}
+
+impl<T: ConstParamTy> ConstParamTy for S<T> {}
+
+#[derive(PartialEq, Eq, ConstParamTy)]
+struct D<T> {
+    field: u8,
+    gen: T,
+}
+
+
+fn check<T: ConstParamTy + ?Sized>() {}
+
+fn main() {
+    check::<u8>();
+    check::<u16>();
+    check::<u32>();
+    check::<u64>();
+    check::<u128>();
+
+    check::<i8>();
+    check::<i16>();
+    check::<i32>();
+    check::<i64>();
+    check::<i128>();
+
+    check::<char>();
+    check::<bool>();
+    check::<str>();
+
+    check::<&u8>();
+    check::<&str>();
+    check::<[usize]>();
+    check::<[u16; 0]>();
+    check::<[u8; 42]>();
+
+    check::<S<u8>>();
+    check::<S<[&[bool]; 8]>>();
+
+    check::<D<u8>>();
+    check::<D<[&[bool]; 8]>>();
+
+    // FIXME: test tuples
+}
diff --git a/tests/ui/const-generics/adt_const_params/const_param_ty_impl_bad_field.rs b/tests/ui/const-generics/adt_const_params/const_param_ty_impl_bad_field.rs
new file mode 100644
index 00000000000..74283a37afc
--- /dev/null
+++ b/tests/ui/const-generics/adt_const_params/const_param_ty_impl_bad_field.rs
@@ -0,0 +1,17 @@
+#![allow(incomplete_features)]
+#![feature(adt_const_params)]
+
+#[derive(PartialEq, Eq)]
+struct NotParam;
+
+#[derive(PartialEq, Eq)]
+struct CantParam(NotParam);
+
+impl std::marker::ConstParamTy for CantParam {}
+//~^ error: the trait `ConstParamTy` cannot be implemented for this type
+
+#[derive(std::marker::ConstParamTy, Eq, PartialEq)]
+//~^ error: the trait `ConstParamTy` cannot be implemented for this type
+struct CantParamDerive(NotParam);
+
+fn main() {}
diff --git a/tests/ui/const-generics/adt_const_params/const_param_ty_impl_bad_field.stderr b/tests/ui/const-generics/adt_const_params/const_param_ty_impl_bad_field.stderr
new file mode 100644
index 00000000000..52b65d6061a
--- /dev/null
+++ b/tests/ui/const-generics/adt_const_params/const_param_ty_impl_bad_field.stderr
@@ -0,0 +1,23 @@
+error[E0204]: the trait `ConstParamTy` cannot be implemented for this type
+  --> $DIR/const_param_ty_impl_bad_field.rs:10:36
+   |
+LL | struct CantParam(NotParam);
+   |                  -------- this field does not implement `ConstParamTy`
+LL |
+LL | impl std::marker::ConstParamTy for CantParam {}
+   |                                    ^^^^^^^^^
+
+error[E0204]: the trait `ConstParamTy` cannot be implemented for this type
+  --> $DIR/const_param_ty_impl_bad_field.rs:13:10
+   |
+LL | #[derive(std::marker::ConstParamTy, Eq, PartialEq)]
+   |          ^^^^^^^^^^^^^^^^^^^^^^^^^
+LL |
+LL | struct CantParamDerive(NotParam);
+   |                        -------- this field does not implement `ConstParamTy`
+   |
+   = note: this error originates in the derive macro `std::marker::ConstParamTy` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error: aborting due to 2 previous errors
+
+For more information about this error, try `rustc --explain E0204`.
diff --git a/tests/ui/const-generics/adt_const_params/const_param_ty_impl_no_structural_eq.rs b/tests/ui/const-generics/adt_const_params/const_param_ty_impl_no_structural_eq.rs
new file mode 100644
index 00000000000..37986de481f
--- /dev/null
+++ b/tests/ui/const-generics/adt_const_params/const_param_ty_impl_no_structural_eq.rs
@@ -0,0 +1,21 @@
+#![allow(incomplete_features)]
+#![feature(adt_const_params)]
+
+#[derive(PartialEq, Eq)]
+struct ImplementsConstParamTy;
+impl std::marker::ConstParamTy for ImplementsConstParamTy {}
+
+struct CantParam(ImplementsConstParamTy);
+
+impl std::marker::ConstParamTy for CantParam {}
+//~^ error: the type `CantParam` does not `#[derive(Eq)]`
+
+#[derive(std::marker::ConstParamTy)]
+//~^ error: the type `CantParamDerive` does not `#[derive(Eq)]`
+struct CantParamDerive(ImplementsConstParamTy);
+
+fn check<T: std::marker::ConstParamTy>() {}
+
+fn main() {
+    check::<ImplementsConstParamTy>();
+}
diff --git a/tests/ui/const-generics/adt_const_params/const_param_ty_impl_no_structural_eq.stderr b/tests/ui/const-generics/adt_const_params/const_param_ty_impl_no_structural_eq.stderr
new file mode 100644
index 00000000000..52701d55914
--- /dev/null
+++ b/tests/ui/const-generics/adt_const_params/const_param_ty_impl_no_structural_eq.stderr
@@ -0,0 +1,22 @@
+error[E0277]: the type `CantParam` does not `#[derive(Eq)]`
+  --> $DIR/const_param_ty_impl_no_structural_eq.rs:10:36
+   |
+LL | impl std::marker::ConstParamTy for CantParam {}
+   |                                    ^^^^^^^^^ the trait `StructuralEq` is not implemented for `CantParam`
+   |
+note: required by a bound in `ConstParamTy`
+  --> $SRC_DIR/core/src/marker.rs:LL:COL
+
+error[E0277]: the type `CantParamDerive` does not `#[derive(Eq)]`
+  --> $DIR/const_param_ty_impl_no_structural_eq.rs:13:10
+   |
+LL | #[derive(std::marker::ConstParamTy)]
+   |          ^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `StructuralEq` is not implemented for `CantParamDerive`
+   |
+note: required by a bound in `ConstParamTy`
+  --> $SRC_DIR/core/src/marker.rs:LL:COL
+   = note: this error originates in the derive macro `std::marker::ConstParamTy` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error: aborting due to 2 previous errors
+
+For more information about this error, try `rustc --explain E0277`.
diff --git a/tests/ui/const-generics/adt_const_params/const_param_ty_impl_union.rs b/tests/ui/const-generics/adt_const_params/const_param_ty_impl_union.rs
new file mode 100644
index 00000000000..d70377a20c1
--- /dev/null
+++ b/tests/ui/const-generics/adt_const_params/const_param_ty_impl_union.rs
@@ -0,0 +1,33 @@
+#![allow(incomplete_features)]
+#![feature(adt_const_params, structural_match)]
+
+union Union {
+    a: u8,
+}
+
+impl PartialEq for Union {
+    fn eq(&self, other: &Union) -> bool {
+        true
+    }
+}
+impl Eq for Union {}
+impl std::marker::StructuralEq for Union {}
+
+impl std::marker::ConstParamTy for Union {}
+
+#[derive(std::marker::ConstParamTy)]
+//~^ ERROR this trait cannot be derived for unions
+union UnionDerive {
+    a: u8,
+}
+
+impl PartialEq for UnionDerive {
+    fn eq(&self, other: &UnionDerive) -> bool {
+        true
+    }
+}
+impl Eq for UnionDerive {}
+impl std::marker::StructuralEq for UnionDerive {}
+
+
+fn main() {}
diff --git a/tests/ui/const-generics/adt_const_params/const_param_ty_impl_union.stderr b/tests/ui/const-generics/adt_const_params/const_param_ty_impl_union.stderr
new file mode 100644
index 00000000000..29370304605
--- /dev/null
+++ b/tests/ui/const-generics/adt_const_params/const_param_ty_impl_union.stderr
@@ -0,0 +1,8 @@
+error: this trait cannot be derived for unions
+  --> $DIR/const_param_ty_impl_union.rs:18:10
+   |
+LL | #[derive(std::marker::ConstParamTy)]
+   |          ^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: aborting due to previous error
+
diff --git a/tests/ui/const-generics/assoc_const_as_type_argument.rs b/tests/ui/const-generics/assoc_const_as_type_argument.rs
new file mode 100644
index 00000000000..ffc7f116a94
--- /dev/null
+++ b/tests/ui/const-generics/assoc_const_as_type_argument.rs
@@ -0,0 +1,13 @@
+trait Trait {
+    const ASSOC: usize;
+}
+
+fn bar<const N: usize>() {}
+
+fn foo<T: Trait>() {
+    bar::<<T as Trait>::ASSOC>();
+    //~^ ERROR: expected associated type, found associated constant `Trait::ASSOC`
+    //~| ERROR: unresolved item provided when a constant was expected
+}
+
+fn main() {}
diff --git a/tests/ui/const-generics/assoc_const_as_type_argument.stderr b/tests/ui/const-generics/assoc_const_as_type_argument.stderr
new file mode 100644
index 00000000000..ac009546135
--- /dev/null
+++ b/tests/ui/const-generics/assoc_const_as_type_argument.stderr
@@ -0,0 +1,21 @@
+error[E0575]: expected associated type, found associated constant `Trait::ASSOC`
+  --> $DIR/assoc_const_as_type_argument.rs:8:11
+   |
+LL |     bar::<<T as Trait>::ASSOC>();
+   |           ^^^^^^^^^^^^^^^^^^^ not a associated type
+
+error[E0747]: unresolved item provided when a constant was expected
+  --> $DIR/assoc_const_as_type_argument.rs:8:11
+   |
+LL |     bar::<<T as Trait>::ASSOC>();
+   |           ^^^^^^^^^^^^^^^^^^^
+   |
+help: if this generic argument was intended as a const parameter, surround it with braces
+   |
+LL |     bar::<{ <T as Trait>::ASSOC }>();
+   |           +                     +
+
+error: aborting due to 2 previous errors
+
+Some errors have detailed explanations: E0575, E0747.
+For more information about an error, try `rustc --explain E0575`.
diff --git a/tests/ui/const-generics/assoc_const_eq_diagnostic.rs b/tests/ui/const-generics/assoc_const_eq_diagnostic.rs
index 4d0aaf88e40..bf8202ac152 100644
--- a/tests/ui/const-generics/assoc_const_eq_diagnostic.rs
+++ b/tests/ui/const-generics/assoc_const_eq_diagnostic.rs
@@ -10,6 +10,7 @@ pub trait Parse {
 
 pub trait CoolStuff: Parse<MODE = Mode::Cool> {}
 //~^ ERROR expected associated constant bound
+//~| ERROR expected associated constant bound
 //~| ERROR expected type
 
 fn no_help() -> Mode::Cool {}
diff --git a/tests/ui/const-generics/assoc_const_eq_diagnostic.stderr b/tests/ui/const-generics/assoc_const_eq_diagnostic.stderr
index ba727ee0ea3..d7e5e50cba8 100644
--- a/tests/ui/const-generics/assoc_const_eq_diagnostic.stderr
+++ b/tests/ui/const-generics/assoc_const_eq_diagnostic.stderr
@@ -8,7 +8,7 @@ LL | pub trait CoolStuff: Parse<MODE = Mode::Cool> {}
    |                                   help: try using the variant's enum: `Mode`
 
 error[E0573]: expected type, found variant `Mode::Cool`
-  --> $DIR/assoc_const_eq_diagnostic.rs:15:17
+  --> $DIR/assoc_const_eq_diagnostic.rs:16:17
    |
 LL | fn no_help() -> Mode::Cool {}
    |                 ^^^^^^^^^^
@@ -28,6 +28,18 @@ note: associated constant defined here
 LL |     const MODE: Mode;
    |     ^^^^^^^^^^^^^^^^
 
-error: aborting due to 3 previous errors
+error: expected associated constant bound, found type
+  --> $DIR/assoc_const_eq_diagnostic.rs:11:28
+   |
+LL | pub trait CoolStuff: Parse<MODE = Mode::Cool> {}
+   |                            ^^^^^^^^^^^^^^^^^ help: if equating a const, try wrapping with braces: `MODE = { const }`
+   |
+note: associated constant defined here
+  --> $DIR/assoc_const_eq_diagnostic.rs:8:5
+   |
+LL |     const MODE: Mode;
+   |     ^^^^^^^^^^^^^^^^
+
+error: aborting due to 4 previous errors
 
 For more information about this error, try `rustc --explain E0573`.
diff --git a/tests/ui/const-generics/const-arg-in-const-arg.full.stderr b/tests/ui/const-generics/const-arg-in-const-arg.full.stderr
deleted file mode 100644
index 463a37d7e3d..00000000000
--- a/tests/ui/const-generics/const-arg-in-const-arg.full.stderr
+++ /dev/null
@@ -1,163 +0,0 @@
-error[E0794]: cannot specify lifetime arguments explicitly if late bound lifetime parameters are present
-  --> $DIR/const-arg-in-const-arg.rs:18:23
-   |
-LL |     let _: [u8; faz::<'a>(&())];
-   |                       ^^
-   |
-note: the late bound lifetime parameter is introduced here
-  --> $DIR/const-arg-in-const-arg.rs:8:14
-   |
-LL | const fn faz<'a>(_: &'a ()) -> usize { 13 }
-   |              ^^
-
-error[E0794]: cannot specify lifetime arguments explicitly if late bound lifetime parameters are present
-  --> $DIR/const-arg-in-const-arg.rs:21:23
-   |
-LL |     let _: [u8; faz::<'b>(&())];
-   |                       ^^
-   |
-note: the late bound lifetime parameter is introduced here
-  --> $DIR/const-arg-in-const-arg.rs:8:14
-   |
-LL | const fn faz<'a>(_: &'a ()) -> usize { 13 }
-   |              ^^
-
-error[E0794]: cannot specify lifetime arguments explicitly if late bound lifetime parameters are present
-  --> $DIR/const-arg-in-const-arg.rs:41:24
-   |
-LL |     let _: Foo<{ faz::<'a>(&()) }>;
-   |                        ^^
-   |
-note: the late bound lifetime parameter is introduced here
-  --> $DIR/const-arg-in-const-arg.rs:8:14
-   |
-LL | const fn faz<'a>(_: &'a ()) -> usize { 13 }
-   |              ^^
-
-error[E0794]: cannot specify lifetime arguments explicitly if late bound lifetime parameters are present
-  --> $DIR/const-arg-in-const-arg.rs:44:24
-   |
-LL |     let _: Foo<{ faz::<'b>(&()) }>;
-   |                        ^^
-   |
-note: the late bound lifetime parameter is introduced here
-  --> $DIR/const-arg-in-const-arg.rs:8:14
-   |
-LL | const fn faz<'a>(_: &'a ()) -> usize { 13 }
-   |              ^^
-
-error: unconstrained generic constant
-  --> $DIR/const-arg-in-const-arg.rs:13:12
-   |
-LL |     let _: [u8; foo::<T>()];
-   |            ^^^^^^^^^^^^^^^^
-   |
-   = help: try adding a `where` bound using this expression: `where [(); foo::<T>()]:`
-
-error: unconstrained generic constant
-  --> $DIR/const-arg-in-const-arg.rs:15:12
-   |
-LL |     let _: [u8; bar::<N>()];
-   |            ^^^^^^^^^^^^^^^^
-   |
-   = help: try adding a `where` bound using this expression: `where [(); bar::<N>()]:`
-
-error: unconstrained generic constant
-  --> $DIR/const-arg-in-const-arg.rs:36:12
-   |
-LL |     let _: Foo<{ foo::<T>() }>;
-   |            ^^^^^^^^^^^^^^^^^^^
-   |
-   = help: try adding a `where` bound using this expression: `where [(); { foo::<T>() }]:`
-
-error: unconstrained generic constant
-  --> $DIR/const-arg-in-const-arg.rs:38:12
-   |
-LL |     let _: Foo<{ bar::<N>() }>;
-   |            ^^^^^^^^^^^^^^^^^^^
-   |
-   = help: try adding a `where` bound using this expression: `where [(); { bar::<N>() }]:`
-
-error: unconstrained generic constant
-  --> $DIR/const-arg-in-const-arg.rs:25:17
-   |
-LL |     let _ = [0; foo::<T>()];
-   |                 ^^^^^^^^^^
-   |
-   = help: try adding a `where` bound using this expression: `where [(); foo::<T>()]:`
-
-error: unconstrained generic constant
-  --> $DIR/const-arg-in-const-arg.rs:27:17
-   |
-LL |     let _ = [0; bar::<N>()];
-   |                 ^^^^^^^^^^
-   |
-   = help: try adding a `where` bound using this expression: `where [(); bar::<N>()]:`
-
-error[E0794]: cannot specify lifetime arguments explicitly if late bound lifetime parameters are present
-  --> $DIR/const-arg-in-const-arg.rs:30:23
-   |
-LL |     let _ = [0; faz::<'a>(&())];
-   |                       ^^
-   |
-note: the late bound lifetime parameter is introduced here
-  --> $DIR/const-arg-in-const-arg.rs:8:14
-   |
-LL | const fn faz<'a>(_: &'a ()) -> usize { 13 }
-   |              ^^
-
-error[E0794]: cannot specify lifetime arguments explicitly if late bound lifetime parameters are present
-  --> $DIR/const-arg-in-const-arg.rs:33:23
-   |
-LL |     let _ = [0; faz::<'b>(&())];
-   |                       ^^
-   |
-note: the late bound lifetime parameter is introduced here
-  --> $DIR/const-arg-in-const-arg.rs:8:14
-   |
-LL | const fn faz<'a>(_: &'a ()) -> usize { 13 }
-   |              ^^
-
-error: unconstrained generic constant
-  --> $DIR/const-arg-in-const-arg.rs:47:19
-   |
-LL |     let _ = Foo::<{ foo::<T>() }>;
-   |                   ^^^^^^^^^^^^^^
-   |
-   = help: try adding a `where` bound using this expression: `where [(); { foo::<T>() }]:`
-
-error: unconstrained generic constant
-  --> $DIR/const-arg-in-const-arg.rs:49:19
-   |
-LL |     let _ = Foo::<{ bar::<N>() }>;
-   |                   ^^^^^^^^^^^^^^
-   |
-   = help: try adding a `where` bound using this expression: `where [(); { bar::<N>() }]:`
-
-error[E0794]: cannot specify lifetime arguments explicitly if late bound lifetime parameters are present
-  --> $DIR/const-arg-in-const-arg.rs:52:27
-   |
-LL |     let _ = Foo::<{ faz::<'a>(&()) }>;
-   |                           ^^
-   |
-note: the late bound lifetime parameter is introduced here
-  --> $DIR/const-arg-in-const-arg.rs:8:14
-   |
-LL | const fn faz<'a>(_: &'a ()) -> usize { 13 }
-   |              ^^
-
-error[E0794]: cannot specify lifetime arguments explicitly if late bound lifetime parameters are present
-  --> $DIR/const-arg-in-const-arg.rs:55:27
-   |
-LL |     let _ = Foo::<{ faz::<'b>(&()) }>;
-   |                           ^^
-   |
-note: the late bound lifetime parameter is introduced here
-  --> $DIR/const-arg-in-const-arg.rs:8:14
-   |
-LL | const fn faz<'a>(_: &'a ()) -> usize { 13 }
-   |              ^^
-
-error: aborting due to 16 previous errors
-
-For more information about this error, try `rustc --explain E0794`.
diff --git a/tests/ui/const-generics/const-arg-in-const-arg.min.stderr b/tests/ui/const-generics/const-arg-in-const-arg.min.stderr
index a7bd9c62b0e..f1f22e2342d 100644
--- a/tests/ui/const-generics/const-arg-in-const-arg.min.stderr
+++ b/tests/ui/const-generics/const-arg-in-const-arg.min.stderr
@@ -1,5 +1,5 @@
 error: generic parameters may not be used in const operations
-  --> $DIR/const-arg-in-const-arg.rs:13:23
+  --> $DIR/const-arg-in-const-arg.rs:15:23
    |
 LL |     let _: [u8; foo::<T>()];
    |                       ^ cannot perform const operation using `T`
@@ -8,7 +8,7 @@ LL |     let _: [u8; foo::<T>()];
    = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
 
 error: generic parameters may not be used in const operations
-  --> $DIR/const-arg-in-const-arg.rs:15:23
+  --> $DIR/const-arg-in-const-arg.rs:16:23
    |
 LL |     let _: [u8; bar::<N>()];
    |                       ^ cannot perform const operation using `N`
@@ -16,44 +16,44 @@ LL |     let _: [u8; bar::<N>()];
    = help: const parameters may only be used as standalone arguments, i.e. `N`
    = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
 
-error[E0658]: a non-static lifetime is not allowed in a `const`
+error: generic parameters may not be used in const operations
   --> $DIR/const-arg-in-const-arg.rs:18:23
    |
 LL |     let _: [u8; faz::<'a>(&())];
-   |                       ^^
+   |                       ^^ cannot perform const operation using `'a`
    |
-   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
-   = help: add `#![feature(generic_const_exprs)]` to the crate attributes to enable
+   = note: lifetime parameters may not be used in const expressions
+   = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
 
-error[E0658]: a non-static lifetime is not allowed in a `const`
+error: generic parameters may not be used in const operations
   --> $DIR/const-arg-in-const-arg.rs:20:23
    |
 LL |     let _: [u8; baz::<'a>(&())];
-   |                       ^^
+   |                       ^^ cannot perform const operation using `'a`
    |
-   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
-   = help: add `#![feature(generic_const_exprs)]` to the crate attributes to enable
+   = note: lifetime parameters may not be used in const expressions
+   = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
 
-error[E0658]: a non-static lifetime is not allowed in a `const`
+error: generic parameters may not be used in const operations
   --> $DIR/const-arg-in-const-arg.rs:21:23
    |
 LL |     let _: [u8; faz::<'b>(&())];
-   |                       ^^
+   |                       ^^ cannot perform const operation using `'b`
    |
-   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
-   = help: add `#![feature(generic_const_exprs)]` to the crate attributes to enable
+   = note: lifetime parameters may not be used in const expressions
+   = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
 
-error[E0658]: a non-static lifetime is not allowed in a `const`
+error: generic parameters may not be used in const operations
   --> $DIR/const-arg-in-const-arg.rs:23:23
    |
 LL |     let _: [u8; baz::<'b>(&())];
-   |                       ^^
+   |                       ^^ cannot perform const operation using `'b`
    |
-   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
-   = help: add `#![feature(generic_const_exprs)]` to the crate attributes to enable
+   = note: lifetime parameters may not be used in const expressions
+   = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
 
 error: generic parameters may not be used in const operations
-  --> $DIR/const-arg-in-const-arg.rs:27:23
+  --> $DIR/const-arg-in-const-arg.rs:26:23
    |
 LL |     let _ = [0; bar::<N>()];
    |                       ^ cannot perform const operation using `N`
@@ -61,44 +61,44 @@ LL |     let _ = [0; bar::<N>()];
    = help: const parameters may only be used as standalone arguments, i.e. `N`
    = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
 
-error[E0658]: a non-static lifetime is not allowed in a `const`
-  --> $DIR/const-arg-in-const-arg.rs:30:23
+error: generic parameters may not be used in const operations
+  --> $DIR/const-arg-in-const-arg.rs:28:23
    |
 LL |     let _ = [0; faz::<'a>(&())];
-   |                       ^^
+   |                       ^^ cannot perform const operation using `'a`
    |
-   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
-   = help: add `#![feature(generic_const_exprs)]` to the crate attributes to enable
+   = note: lifetime parameters may not be used in const expressions
+   = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
 
-error[E0658]: a non-static lifetime is not allowed in a `const`
-  --> $DIR/const-arg-in-const-arg.rs:32:23
+error: generic parameters may not be used in const operations
+  --> $DIR/const-arg-in-const-arg.rs:30:23
    |
 LL |     let _ = [0; baz::<'a>(&())];
-   |                       ^^
+   |                       ^^ cannot perform const operation using `'a`
    |
-   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
-   = help: add `#![feature(generic_const_exprs)]` to the crate attributes to enable
+   = note: lifetime parameters may not be used in const expressions
+   = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
 
-error[E0658]: a non-static lifetime is not allowed in a `const`
-  --> $DIR/const-arg-in-const-arg.rs:33:23
+error: generic parameters may not be used in const operations
+  --> $DIR/const-arg-in-const-arg.rs:31:23
    |
 LL |     let _ = [0; faz::<'b>(&())];
-   |                       ^^
+   |                       ^^ cannot perform const operation using `'b`
    |
-   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
-   = help: add `#![feature(generic_const_exprs)]` to the crate attributes to enable
+   = note: lifetime parameters may not be used in const expressions
+   = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
 
-error[E0658]: a non-static lifetime is not allowed in a `const`
-  --> $DIR/const-arg-in-const-arg.rs:35:23
+error: generic parameters may not be used in const operations
+  --> $DIR/const-arg-in-const-arg.rs:33:23
    |
 LL |     let _ = [0; baz::<'b>(&())];
-   |                       ^^
+   |                       ^^ cannot perform const operation using `'b`
    |
-   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
-   = help: add `#![feature(generic_const_exprs)]` to the crate attributes to enable
+   = note: lifetime parameters may not be used in const expressions
+   = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
 
 error: generic parameters may not be used in const operations
-  --> $DIR/const-arg-in-const-arg.rs:36:24
+  --> $DIR/const-arg-in-const-arg.rs:34:24
    |
 LL |     let _: Foo<{ foo::<T>() }>;
    |                        ^ cannot perform const operation using `T`
@@ -107,7 +107,7 @@ LL |     let _: Foo<{ foo::<T>() }>;
    = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
 
 error: generic parameters may not be used in const operations
-  --> $DIR/const-arg-in-const-arg.rs:38:24
+  --> $DIR/const-arg-in-const-arg.rs:35:24
    |
 LL |     let _: Foo<{ bar::<N>() }>;
    |                        ^ cannot perform const operation using `N`
@@ -115,44 +115,44 @@ LL |     let _: Foo<{ bar::<N>() }>;
    = help: const parameters may only be used as standalone arguments, i.e. `N`
    = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
 
-error[E0658]: a non-static lifetime is not allowed in a `const`
-  --> $DIR/const-arg-in-const-arg.rs:41:24
+error: generic parameters may not be used in const operations
+  --> $DIR/const-arg-in-const-arg.rs:37:24
    |
 LL |     let _: Foo<{ faz::<'a>(&()) }>;
-   |                        ^^
+   |                        ^^ cannot perform const operation using `'a`
    |
-   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
-   = help: add `#![feature(generic_const_exprs)]` to the crate attributes to enable
+   = note: lifetime parameters may not be used in const expressions
+   = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
 
-error[E0658]: a non-static lifetime is not allowed in a `const`
-  --> $DIR/const-arg-in-const-arg.rs:43:24
+error: generic parameters may not be used in const operations
+  --> $DIR/const-arg-in-const-arg.rs:39:24
    |
 LL |     let _: Foo<{ baz::<'a>(&()) }>;
-   |                        ^^
+   |                        ^^ cannot perform const operation using `'a`
    |
-   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
-   = help: add `#![feature(generic_const_exprs)]` to the crate attributes to enable
+   = note: lifetime parameters may not be used in const expressions
+   = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
 
-error[E0658]: a non-static lifetime is not allowed in a `const`
-  --> $DIR/const-arg-in-const-arg.rs:44:24
+error: generic parameters may not be used in const operations
+  --> $DIR/const-arg-in-const-arg.rs:40:24
    |
 LL |     let _: Foo<{ faz::<'b>(&()) }>;
-   |                        ^^
+   |                        ^^ cannot perform const operation using `'b`
    |
-   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
-   = help: add `#![feature(generic_const_exprs)]` to the crate attributes to enable
+   = note: lifetime parameters may not be used in const expressions
+   = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
 
-error[E0658]: a non-static lifetime is not allowed in a `const`
-  --> $DIR/const-arg-in-const-arg.rs:46:24
+error: generic parameters may not be used in const operations
+  --> $DIR/const-arg-in-const-arg.rs:42:24
    |
 LL |     let _: Foo<{ baz::<'b>(&()) }>;
-   |                        ^^
+   |                        ^^ cannot perform const operation using `'b`
    |
-   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
-   = help: add `#![feature(generic_const_exprs)]` to the crate attributes to enable
+   = note: lifetime parameters may not be used in const expressions
+   = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
 
 error: generic parameters may not be used in const operations
-  --> $DIR/const-arg-in-const-arg.rs:47:27
+  --> $DIR/const-arg-in-const-arg.rs:43:27
    |
 LL |     let _ = Foo::<{ foo::<T>() }>;
    |                           ^ cannot perform const operation using `T`
@@ -161,7 +161,7 @@ LL |     let _ = Foo::<{ foo::<T>() }>;
    = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
 
 error: generic parameters may not be used in const operations
-  --> $DIR/const-arg-in-const-arg.rs:49:27
+  --> $DIR/const-arg-in-const-arg.rs:44:27
    |
 LL |     let _ = Foo::<{ bar::<N>() }>;
    |                           ^ cannot perform const operation using `N`
@@ -169,44 +169,44 @@ LL |     let _ = Foo::<{ bar::<N>() }>;
    = help: const parameters may only be used as standalone arguments, i.e. `N`
    = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
 
-error[E0658]: a non-static lifetime is not allowed in a `const`
-  --> $DIR/const-arg-in-const-arg.rs:52:27
+error: generic parameters may not be used in const operations
+  --> $DIR/const-arg-in-const-arg.rs:46:27
    |
 LL |     let _ = Foo::<{ faz::<'a>(&()) }>;
-   |                           ^^
+   |                           ^^ cannot perform const operation using `'a`
    |
-   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
-   = help: add `#![feature(generic_const_exprs)]` to the crate attributes to enable
+   = note: lifetime parameters may not be used in const expressions
+   = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
 
-error[E0658]: a non-static lifetime is not allowed in a `const`
-  --> $DIR/const-arg-in-const-arg.rs:54:27
+error: generic parameters may not be used in const operations
+  --> $DIR/const-arg-in-const-arg.rs:48:27
    |
 LL |     let _ = Foo::<{ baz::<'a>(&()) }>;
-   |                           ^^
+   |                           ^^ cannot perform const operation using `'a`
    |
-   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
-   = help: add `#![feature(generic_const_exprs)]` to the crate attributes to enable
+   = note: lifetime parameters may not be used in const expressions
+   = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
 
-error[E0658]: a non-static lifetime is not allowed in a `const`
-  --> $DIR/const-arg-in-const-arg.rs:55:27
+error: generic parameters may not be used in const operations
+  --> $DIR/const-arg-in-const-arg.rs:49:27
    |
 LL |     let _ = Foo::<{ faz::<'b>(&()) }>;
-   |                           ^^
+   |                           ^^ cannot perform const operation using `'b`
    |
-   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
-   = help: add `#![feature(generic_const_exprs)]` to the crate attributes to enable
+   = note: lifetime parameters may not be used in const expressions
+   = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
 
-error[E0658]: a non-static lifetime is not allowed in a `const`
-  --> $DIR/const-arg-in-const-arg.rs:57:27
+error: generic parameters may not be used in const operations
+  --> $DIR/const-arg-in-const-arg.rs:51:27
    |
 LL |     let _ = Foo::<{ baz::<'b>(&()) }>;
-   |                           ^^
+   |                           ^^ cannot perform const operation using `'b`
    |
-   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
-   = help: add `#![feature(generic_const_exprs)]` to the crate attributes to enable
+   = note: lifetime parameters may not be used in const expressions
+   = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
 
 error[E0747]: unresolved item provided when a constant was expected
-  --> $DIR/const-arg-in-const-arg.rs:15:23
+  --> $DIR/const-arg-in-const-arg.rs:16:23
    |
 LL |     let _: [u8; bar::<N>()];
    |                       ^
@@ -223,7 +223,7 @@ LL |     let _: [u8; faz::<'a>(&())];
    |                       ^^
    |
 note: the late bound lifetime parameter is introduced here
-  --> $DIR/const-arg-in-const-arg.rs:8:14
+  --> $DIR/const-arg-in-const-arg.rs:10:14
    |
 LL | const fn faz<'a>(_: &'a ()) -> usize { 13 }
    |              ^^
@@ -235,13 +235,13 @@ LL |     let _: [u8; faz::<'b>(&())];
    |                       ^^
    |
 note: the late bound lifetime parameter is introduced here
-  --> $DIR/const-arg-in-const-arg.rs:8:14
+  --> $DIR/const-arg-in-const-arg.rs:10:14
    |
 LL | const fn faz<'a>(_: &'a ()) -> usize { 13 }
    |              ^^
 
 error[E0747]: unresolved item provided when a constant was expected
-  --> $DIR/const-arg-in-const-arg.rs:38:24
+  --> $DIR/const-arg-in-const-arg.rs:35:24
    |
 LL |     let _: Foo<{ bar::<N>() }>;
    |                        ^
@@ -252,25 +252,25 @@ LL |     let _: Foo<{ bar::<{ N }>() }>;
    |                        +   +
 
 error[E0794]: cannot specify lifetime arguments explicitly if late bound lifetime parameters are present
-  --> $DIR/const-arg-in-const-arg.rs:41:24
+  --> $DIR/const-arg-in-const-arg.rs:37:24
    |
 LL |     let _: Foo<{ faz::<'a>(&()) }>;
    |                        ^^
    |
 note: the late bound lifetime parameter is introduced here
-  --> $DIR/const-arg-in-const-arg.rs:8:14
+  --> $DIR/const-arg-in-const-arg.rs:10:14
    |
 LL | const fn faz<'a>(_: &'a ()) -> usize { 13 }
    |              ^^
 
 error[E0794]: cannot specify lifetime arguments explicitly if late bound lifetime parameters are present
-  --> $DIR/const-arg-in-const-arg.rs:44:24
+  --> $DIR/const-arg-in-const-arg.rs:40:24
    |
 LL |     let _: Foo<{ faz::<'b>(&()) }>;
    |                        ^^
    |
 note: the late bound lifetime parameter is introduced here
-  --> $DIR/const-arg-in-const-arg.rs:8:14
+  --> $DIR/const-arg-in-const-arg.rs:10:14
    |
 LL | const fn faz<'a>(_: &'a ()) -> usize { 13 }
    |              ^^
@@ -284,7 +284,7 @@ LL |     let _ = [0; foo::<T>()];
    = note: this may fail depending on what value the parameter takes
 
 error[E0747]: unresolved item provided when a constant was expected
-  --> $DIR/const-arg-in-const-arg.rs:27:23
+  --> $DIR/const-arg-in-const-arg.rs:26:23
    |
 LL |     let _ = [0; bar::<N>()];
    |                       ^
@@ -295,31 +295,31 @@ LL |     let _ = [0; bar::<{ N }>()];
    |                       +   +
 
 error[E0794]: cannot specify lifetime arguments explicitly if late bound lifetime parameters are present
-  --> $DIR/const-arg-in-const-arg.rs:30:23
+  --> $DIR/const-arg-in-const-arg.rs:28:23
    |
 LL |     let _ = [0; faz::<'a>(&())];
    |                       ^^
    |
 note: the late bound lifetime parameter is introduced here
-  --> $DIR/const-arg-in-const-arg.rs:8:14
+  --> $DIR/const-arg-in-const-arg.rs:10:14
    |
 LL | const fn faz<'a>(_: &'a ()) -> usize { 13 }
    |              ^^
 
 error[E0794]: cannot specify lifetime arguments explicitly if late bound lifetime parameters are present
-  --> $DIR/const-arg-in-const-arg.rs:33:23
+  --> $DIR/const-arg-in-const-arg.rs:31:23
    |
 LL |     let _ = [0; faz::<'b>(&())];
    |                       ^^
    |
 note: the late bound lifetime parameter is introduced here
-  --> $DIR/const-arg-in-const-arg.rs:8:14
+  --> $DIR/const-arg-in-const-arg.rs:10:14
    |
 LL | const fn faz<'a>(_: &'a ()) -> usize { 13 }
    |              ^^
 
 error[E0747]: unresolved item provided when a constant was expected
-  --> $DIR/const-arg-in-const-arg.rs:49:27
+  --> $DIR/const-arg-in-const-arg.rs:44:27
    |
 LL |     let _ = Foo::<{ bar::<N>() }>;
    |                           ^
@@ -330,30 +330,30 @@ LL |     let _ = Foo::<{ bar::<{ N }>() }>;
    |                           +   +
 
 error[E0794]: cannot specify lifetime arguments explicitly if late bound lifetime parameters are present
-  --> $DIR/const-arg-in-const-arg.rs:52:27
+  --> $DIR/const-arg-in-const-arg.rs:46:27
    |
 LL |     let _ = Foo::<{ faz::<'a>(&()) }>;
    |                           ^^
    |
 note: the late bound lifetime parameter is introduced here
-  --> $DIR/const-arg-in-const-arg.rs:8:14
+  --> $DIR/const-arg-in-const-arg.rs:10:14
    |
 LL | const fn faz<'a>(_: &'a ()) -> usize { 13 }
    |              ^^
 
 error[E0794]: cannot specify lifetime arguments explicitly if late bound lifetime parameters are present
-  --> $DIR/const-arg-in-const-arg.rs:55:27
+  --> $DIR/const-arg-in-const-arg.rs:49:27
    |
 LL |     let _ = Foo::<{ faz::<'b>(&()) }>;
    |                           ^^
    |
 note: the late bound lifetime parameter is introduced here
-  --> $DIR/const-arg-in-const-arg.rs:8:14
+  --> $DIR/const-arg-in-const-arg.rs:10:14
    |
 LL | const fn faz<'a>(_: &'a ()) -> usize { 13 }
    |              ^^
 
 error: aborting due to 36 previous errors
 
-Some errors have detailed explanations: E0658, E0747, E0794.
-For more information about an error, try `rustc --explain E0658`.
+Some errors have detailed explanations: E0747, E0794.
+For more information about an error, try `rustc --explain E0747`.
diff --git a/tests/ui/const-generics/const-arg-in-const-arg.rs b/tests/ui/const-generics/const-arg-in-const-arg.rs
index 44a4f560a24..9eaa54347f1 100644
--- a/tests/ui/const-generics/const-arg-in-const-arg.rs
+++ b/tests/ui/const-generics/const-arg-in-const-arg.rs
@@ -1,4 +1,6 @@
-// revisions: full min
+// revisions: min
+// we use a single revision because t his shoudl have a `full` revision
+// but right now that ICEs and I(@BoxyUwU) could not get stderr normalization to work
 
 #![cfg_attr(full, feature(generic_const_exprs))]
 #![cfg_attr(full, allow(incomplete_features))]
@@ -11,50 +13,42 @@ const fn baz<'a>(_: &'a ()) -> usize where &'a (): Sized { 13 }
 struct Foo<const N: usize>;
 fn test<'a, 'b, T, const N: usize>() where &'b (): Sized {
     let _: [u8; foo::<T>()]; //[min]~ ERROR generic parameters may not
-                             //[full]~^ ERROR unconstrained generic constant
     let _: [u8; bar::<N>()]; //[min]~ ERROR generic parameters may not
                              //[min]~^ ERROR unresolved item provided when a constant was expected
-                             //[full]~^^ ERROR unconstrained generic constant
-    let _: [u8; faz::<'a>(&())]; //[min]~ ERROR a non-static lifetime
-                                 //~^ ERROR cannot specify lifetime arguments
-    let _: [u8; baz::<'a>(&())]; //[min]~ ERROR a non-static lifetime
-    let _: [u8; faz::<'b>(&())]; //[min]~ ERROR a non-static lifetime
-                                 //~^ ERROR cannot specify lifetime arguments
-    let _: [u8; baz::<'b>(&())]; //[min]~ ERROR a non-static lifetime
+    let _: [u8; faz::<'a>(&())]; //[min]~ ERROR generic parameters may not
+                                 //[min]~^ ERROR cannot specify lifetime arguments
+    let _: [u8; baz::<'a>(&())]; //[min]~ ERROR generic parameters may not
+    let _: [u8; faz::<'b>(&())]; //[min]~ ERROR generic parameters may not
+                                 //[min]~^ ERROR cannot specify lifetime arguments
+    let _: [u8; baz::<'b>(&())]; //[min]~ ERROR generic parameters may not
 
     let _ = [0; foo::<T>()]; //[min]~ ERROR constant expression depends on a generic parameter
-                             //[full]~^ ERROR unconstrained generic constant
     let _ = [0; bar::<N>()]; //[min]~ ERROR generic parameters may not
                              //[min]~^ ERROR unresolved item provided when a constant was expected
-                             //[full]~^^ ERROR unconstrained generic constant
-    let _ = [0; faz::<'a>(&())]; //[min]~ ERROR a non-static lifetime
-                                 //~^ ERROR cannot specify lifetime arguments
-    let _ = [0; baz::<'a>(&())]; //[min]~ ERROR a non-static lifetime
-    let _ = [0; faz::<'b>(&())]; //[min]~ ERROR a non-static lifetime
-                                 //~^ ERROR cannot specify lifetime arguments
-    let _ = [0; baz::<'b>(&())]; //[min]~ ERROR a non-static lifetime
+    let _ = [0; faz::<'a>(&())]; //[min]~ ERROR generic parameters may not
+                                 //[min]~^ ERROR cannot specify lifetime arguments
+    let _ = [0; baz::<'a>(&())]; //[min]~ ERROR generic parameters may not
+    let _ = [0; faz::<'b>(&())]; //[min]~ ERROR generic parameters may not
+                                 //[min]~^ ERROR cannot specify lifetime arguments
+    let _ = [0; baz::<'b>(&())]; //[min]~ ERROR generic parameters may not
     let _: Foo<{ foo::<T>() }>; //[min]~ ERROR generic parameters may not
-                                //[full]~^ ERROR unconstrained generic constant
     let _: Foo<{ bar::<N>() }>; //[min]~ ERROR generic parameters may not
                                 //[min]~^ ERROR unresolved item provided when a constant was expected
-                                //[full]~^^ ERROR unconstrained generic constant
-    let _: Foo<{ faz::<'a>(&()) }>; //[min]~ ERROR a non-static lifetime
-                                    //~^ ERROR cannot specify lifetime arguments
-    let _: Foo<{ baz::<'a>(&()) }>; //[min]~ ERROR a non-static lifetime
-    let _: Foo<{ faz::<'b>(&()) }>; //[min]~ ERROR a non-static lifetime
-                                    //~^ ERROR cannot specify lifetime arguments
-    let _: Foo<{ baz::<'b>(&()) }>; //[min]~ ERROR a non-static lifetime
+    let _: Foo<{ faz::<'a>(&()) }>; //[min]~ ERROR generic parameters may not
+                                    //[min]~^ ERROR cannot specify lifetime arguments
+    let _: Foo<{ baz::<'a>(&()) }>; //[min]~ ERROR generic parameters may not
+    let _: Foo<{ faz::<'b>(&()) }>; //[min]~ ERROR generic parameters may not
+                                    //[min]~^ ERROR cannot specify lifetime arguments
+    let _: Foo<{ baz::<'b>(&()) }>; //[min]~ ERROR generic parameters may not
     let _ = Foo::<{ foo::<T>() }>; //[min]~ ERROR generic parameters may not
-                                   //[full]~^ ERROR unconstrained generic constant
     let _ = Foo::<{ bar::<N>() }>; //[min]~ ERROR generic parameters may not
                                    //[min]~^ ERROR unresolved item provided when a constant was expected
-                                   //[full]~^^ ERROR unconstrained generic constant
-    let _ = Foo::<{ faz::<'a>(&()) }>; //[min]~ ERROR a non-static lifetime
-                                       //~^ ERROR cannot specify lifetime arguments
-    let _ = Foo::<{ baz::<'a>(&()) }>; //[min]~ ERROR a non-static lifetime
-    let _ = Foo::<{ faz::<'b>(&()) }>; //[min]~ ERROR a non-static lifetime
-                                       //~^ ERROR cannot specify lifetime arguments
-    let _ = Foo::<{ baz::<'b>(&()) }>; //[min]~ ERROR a non-static lifetime
+    let _ = Foo::<{ faz::<'a>(&()) }>; //[min]~ ERROR generic parameters may not
+                                       //[min]~^ ERROR cannot specify lifetime arguments
+    let _ = Foo::<{ baz::<'a>(&()) }>; //[min]~ ERROR generic parameters may not
+    let _ = Foo::<{ faz::<'b>(&()) }>; //[min]~ ERROR generic parameters may not
+                                       //[min]~^ ERROR cannot specify lifetime arguments
+    let _ = Foo::<{ baz::<'b>(&()) }>; //[min]~ ERROR generic parameters may not
 }
 
 fn main() {}
diff --git a/tests/ui/const-generics/const-argument-non-static-lifetime.min.stderr b/tests/ui/const-generics/const-argument-non-static-lifetime.min.stderr
index 82030731cc1..310ca75fdc9 100644
--- a/tests/ui/const-generics/const-argument-non-static-lifetime.min.stderr
+++ b/tests/ui/const-generics/const-argument-non-static-lifetime.min.stderr
@@ -1,12 +1,11 @@
-error[E0658]: a non-static lifetime is not allowed in a `const`
+error: generic parameters may not be used in const operations
   --> $DIR/const-argument-non-static-lifetime.rs:14:17
    |
 LL |         let _: &'a ();
-   |                 ^^
+   |                 ^^ cannot perform const operation using `'a`
    |
-   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
-   = help: add `#![feature(generic_const_exprs)]` to the crate attributes to enable
+   = note: lifetime parameters may not be used in const expressions
+   = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
 
 error: aborting due to previous error
 
-For more information about this error, try `rustc --explain E0658`.
diff --git a/tests/ui/const-generics/const-argument-non-static-lifetime.rs b/tests/ui/const-generics/const-argument-non-static-lifetime.rs
index 0357e4ed59f..df2f3b7918c 100644
--- a/tests/ui/const-generics/const-argument-non-static-lifetime.rs
+++ b/tests/ui/const-generics/const-argument-non-static-lifetime.rs
@@ -11,7 +11,7 @@ fn test<const N: usize>() {}
 
 fn wow<'a>() -> &'a () {
     test::<{
-        let _: &'a (); //[min]~ ERROR a non-static lifetime
+        let _: &'a (); //[min]~ ERROR generic parameters may not be used in const operations
         3
     }>();
     &()
diff --git a/tests/ui/const-generics/const-param-type-depends-on-const-param.full.stderr b/tests/ui/const-generics/const-param-type-depends-on-const-param.full.stderr
index f639e276f46..539d840f0a8 100644
--- a/tests/ui/const-generics/const-param-type-depends-on-const-param.full.stderr
+++ b/tests/ui/const-generics/const-param-type-depends-on-const-param.full.stderr
@@ -3,12 +3,16 @@ error[E0770]: the type of const parameters must not depend on other generic para
    |
 LL | pub struct Dependent<const N: usize, const X: [u8; N]>([(); N]);
    |                                                    ^ the type must not depend on the parameter `N`
+   |
+   = note: const parameters may not be used in the type of const parameters
 
 error[E0770]: the type of const parameters must not depend on other generic parameters
   --> $DIR/const-param-type-depends-on-const-param.rs:15:40
    |
 LL | pub struct SelfDependent<const N: [u8; N]>;
    |                                        ^ the type must not depend on the parameter `N`
+   |
+   = note: const parameters may not be used in the type of const parameters
 
 error: aborting due to 2 previous errors
 
diff --git a/tests/ui/const-generics/const-param-type-depends-on-const-param.min.stderr b/tests/ui/const-generics/const-param-type-depends-on-const-param.min.stderr
index 24aa405211f..f829526ca1d 100644
--- a/tests/ui/const-generics/const-param-type-depends-on-const-param.min.stderr
+++ b/tests/ui/const-generics/const-param-type-depends-on-const-param.min.stderr
@@ -3,12 +3,16 @@ error[E0770]: the type of const parameters must not depend on other generic para
    |
 LL | pub struct Dependent<const N: usize, const X: [u8; N]>([(); N]);
    |                                                    ^ the type must not depend on the parameter `N`
+   |
+   = note: const parameters may not be used in the type of const parameters
 
 error[E0770]: the type of const parameters must not depend on other generic parameters
   --> $DIR/const-param-type-depends-on-const-param.rs:15:40
    |
 LL | pub struct SelfDependent<const N: [u8; N]>;
    |                                        ^ the type must not depend on the parameter `N`
+   |
+   = note: const parameters may not be used in the type of const parameters
 
 error: `[u8; N]` is forbidden as the type of a const generic parameter
   --> $DIR/const-param-type-depends-on-const-param.rs:11:47
diff --git a/tests/ui/const-generics/const-param-type-depends-on-type-param-ungated.stderr b/tests/ui/const-generics/const-param-type-depends-on-type-param-ungated.stderr
index 9c5c97befd8..c5160d1c384 100644
--- a/tests/ui/const-generics/const-param-type-depends-on-type-param-ungated.stderr
+++ b/tests/ui/const-generics/const-param-type-depends-on-type-param-ungated.stderr
@@ -3,6 +3,8 @@ error[E0770]: the type of const parameters must not depend on other generic para
    |
 LL | struct B<T, const N: T>(PhantomData<[T; N]>);
    |                      ^ the type must not depend on the parameter `T`
+   |
+   = note: type parameters may not be used in the type of const parameters
 
 error: aborting due to previous error
 
diff --git a/tests/ui/const-generics/const-param-type-depends-on-type-param.full.stderr b/tests/ui/const-generics/const-param-type-depends-on-type-param.full.stderr
index 32f7dea8263..938fb08b795 100644
--- a/tests/ui/const-generics/const-param-type-depends-on-type-param.full.stderr
+++ b/tests/ui/const-generics/const-param-type-depends-on-type-param.full.stderr
@@ -3,6 +3,8 @@ error[E0770]: the type of const parameters must not depend on other generic para
    |
 LL | pub struct Dependent<T, const X: T>([(); X]);
    |                                  ^ the type must not depend on the parameter `T`
+   |
+   = note: type parameters may not be used in the type of const parameters
 
 error[E0392]: parameter `T` is never used
   --> $DIR/const-param-type-depends-on-type-param.rs:11:22
diff --git a/tests/ui/const-generics/const-param-type-depends-on-type-param.min.stderr b/tests/ui/const-generics/const-param-type-depends-on-type-param.min.stderr
index 32f7dea8263..938fb08b795 100644
--- a/tests/ui/const-generics/const-param-type-depends-on-type-param.min.stderr
+++ b/tests/ui/const-generics/const-param-type-depends-on-type-param.min.stderr
@@ -3,6 +3,8 @@ error[E0770]: the type of const parameters must not depend on other generic para
    |
 LL | pub struct Dependent<T, const X: T>([(); X]);
    |                                  ^ the type must not depend on the parameter `T`
+   |
+   = note: type parameters may not be used in the type of const parameters
 
 error[E0392]: parameter `T` is never used
   --> $DIR/const-param-type-depends-on-type-param.rs:11:22
diff --git a/tests/ui/const-generics/defaults/trait_objects_fail.stderr b/tests/ui/const-generics/defaults/trait_objects_fail.stderr
index 0e8334d0338..481d77728b9 100644
--- a/tests/ui/const-generics/defaults/trait_objects_fail.stderr
+++ b/tests/ui/const-generics/defaults/trait_objects_fail.stderr
@@ -5,7 +5,7 @@ LL |     foo(&10_u32);
    |         ^^^^^^^ the trait `Trait` is not implemented for `u32`
    |
    = help: the trait `Trait<2>` is implemented for `u32`
-   = note: required for the cast from `u32` to the object type `dyn Trait`
+   = note: required for the cast from `&u32` to `&dyn Trait`
 
 error[E0277]: the trait bound `bool: Traitor<_>` is not satisfied
   --> $DIR/trait_objects_fail.rs:28:9
@@ -14,7 +14,7 @@ LL |     bar(&true);
    |         ^^^^^ the trait `Traitor<_>` is not implemented for `bool`
    |
    = help: the trait `Traitor<2, 3>` is implemented for `bool`
-   = note: required for the cast from `bool` to the object type `dyn Traitor<_>`
+   = note: required for the cast from `&bool` to `&dyn Traitor<_>`
 
 error: aborting due to 2 previous errors
 
diff --git a/tests/ui/const-generics/generic_const_exprs/cross_crate_predicate.stderr b/tests/ui/const-generics/generic_const_exprs/cross_crate_predicate.stderr
index 6b3396a25cf..3a7f3cd0ba0 100644
--- a/tests/ui/const-generics/generic_const_exprs/cross_crate_predicate.stderr
+++ b/tests/ui/const-generics/generic_const_exprs/cross_crate_predicate.stderr
@@ -8,6 +8,9 @@ LL |     let _ = const_evaluatable_lib::test1::<T>();
 note: required by a bound in `test1`
   --> $DIR/auxiliary/const_evaluatable_lib.rs:6:10
    |
+LL | pub fn test1<T>() -> [u8; std::mem::size_of::<T>() - 1]
+   |        ----- required by a bound in this function
+LL | where
 LL |     [u8; std::mem::size_of::<T>() - 1]: Sized,
    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `test1`
 
@@ -34,6 +37,9 @@ LL |     let _ = const_evaluatable_lib::test1::<T>();
 note: required by a bound in `test1`
   --> $DIR/auxiliary/const_evaluatable_lib.rs:6:10
    |
+LL | pub fn test1<T>() -> [u8; std::mem::size_of::<T>() - 1]
+   |        ----- required by a bound in this function
+LL | where
 LL |     [u8; std::mem::size_of::<T>() - 1]: Sized,
    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `test1`
 
diff --git a/tests/ui/const-generics/generic_const_exprs/issue-74713.rs b/tests/ui/const-generics/generic_const_exprs/issue-74713.rs
index 0bcb997d96c..205d031d4a3 100644
--- a/tests/ui/const-generics/generic_const_exprs/issue-74713.rs
+++ b/tests/ui/const-generics/generic_const_exprs/issue-74713.rs
@@ -1,7 +1,7 @@
 fn bug<'a>()
 where
     [(); { //~ ERROR mismatched types
-        let _: &'a (); //~ ERROR a non-static lifetime is not allowed in a `const`
+        let _: &'a (); //~ ERROR generic parameters may not be used in const operations
     }]:
 {}
 
diff --git a/tests/ui/const-generics/generic_const_exprs/issue-74713.stderr b/tests/ui/const-generics/generic_const_exprs/issue-74713.stderr
index e7673df0a02..f0e0a4b9711 100644
--- a/tests/ui/const-generics/generic_const_exprs/issue-74713.stderr
+++ b/tests/ui/const-generics/generic_const_exprs/issue-74713.stderr
@@ -1,11 +1,11 @@
-error[E0658]: a non-static lifetime is not allowed in a `const`
+error: generic parameters may not be used in const operations
   --> $DIR/issue-74713.rs:4:17
    |
 LL |         let _: &'a ();
-   |                 ^^
+   |                 ^^ cannot perform const operation using `'a`
    |
-   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
-   = help: add `#![feature(generic_const_exprs)]` to the crate attributes to enable
+   = note: lifetime parameters may not be used in const expressions
+   = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
 
 error[E0308]: mismatched types
   --> $DIR/issue-74713.rs:3:10
@@ -18,5 +18,4 @@ LL | |     }]:
 
 error: aborting due to 2 previous errors
 
-Some errors have detailed explanations: E0308, E0658.
-For more information about an error, try `rustc --explain E0308`.
+For more information about this error, try `rustc --explain E0308`.
diff --git a/tests/ui/const-generics/generic_const_exprs/nested_uneval_unification-2.rs b/tests/ui/const-generics/generic_const_exprs/nested_uneval_unification-2.rs
index d45a6465b76..18a99398622 100644
--- a/tests/ui/const-generics/generic_const_exprs/nested_uneval_unification-2.rs
+++ b/tests/ui/const-generics/generic_const_exprs/nested_uneval_unification-2.rs
@@ -2,28 +2,30 @@
 #![feature(generic_const_exprs)]
 #![allow(incomplete_features, unused_parens, unused_braces)]
 
-fn zero_init<const N: usize>() -> Substs1<{ (N) }>
+fn zero_init<const N: usize>() -> Substs1<{{ N }}>
 where
-    [u8; { (N) }]: ,
+    [u8; {{ N }}]: ,
 {
-    Substs1([0; { (N) }])
+    Substs1([0; {{ N }}])
 }
 
-struct Substs1<const N: usize>([u8; { (N) }])
+struct Substs1<const N: usize>([u8; {{ N }}])
 where
-    [(); { (N) }]: ;
+    [(); {{ N }}]: ;
 
-fn substs2<const M: usize>() -> Substs1<{ (M) }> {
-    zero_init::<{ (M) }>()
+fn substs2<const M: usize>() -> Substs1<{{ M }}> {
+    zero_init::<{{ M }}>()
 }
 
-fn substs3<const L: usize>() -> Substs1<{ (L) }> {
-    substs2::<{ (L) }>()
+fn substs3<const L: usize>() -> Substs1<{{ L }}> {
+    substs2::<{{ L }}>()
 }
 
 fn main() {
     assert_eq!(substs3::<2>().0, [0; 2]);
 }
 
-// Test that the implicit ``{ (L) }`` bound on ``substs3`` satisfies the
-// ``{ (N) }`` bound on ``Substs1``
+// Test that the implicit ``{{ L }}`` bound on ``substs3`` satisfies the
+// ``{{ N }}`` bound on ``Substs1``
+// FIXME(generic_const_exprs): come up with a less brittle test for this using assoc consts
+// once normalization is implemented for them.
diff --git a/tests/ui/const-generics/generic_const_exprs/unresolved_lifetimes_error.rs b/tests/ui/const-generics/generic_const_exprs/unresolved_lifetimes_error.rs
new file mode 100644
index 00000000000..96aeec77c13
--- /dev/null
+++ b/tests/ui/const-generics/generic_const_exprs/unresolved_lifetimes_error.rs
@@ -0,0 +1,12 @@
+#![feature(generic_const_exprs)]
+#![allow(incomplete_features)]
+
+fn foo() -> [(); {
+    let a: &'a ();
+    //~^ ERROR: use of undeclared lifetime name `'a`
+    10_usize
+}] {
+    loop {}
+}
+
+fn main() {}
diff --git a/tests/ui/const-generics/generic_const_exprs/unresolved_lifetimes_error.stderr b/tests/ui/const-generics/generic_const_exprs/unresolved_lifetimes_error.stderr
new file mode 100644
index 00000000000..976f037062d
--- /dev/null
+++ b/tests/ui/const-generics/generic_const_exprs/unresolved_lifetimes_error.stderr
@@ -0,0 +1,11 @@
+error[E0261]: use of undeclared lifetime name `'a`
+  --> $DIR/unresolved_lifetimes_error.rs:5:13
+   |
+LL | fn foo() -> [(); {
+   |       - help: consider introducing lifetime `'a` here: `<'a>`
+LL |     let a: &'a ();
+   |             ^^ undeclared lifetime
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0261`.
diff --git a/tests/ui/const-generics/issue-46511.rs b/tests/ui/const-generics/issue-46511.rs
index 71c50e2f3f7..78baba818ad 100644
--- a/tests/ui/const-generics/issue-46511.rs
+++ b/tests/ui/const-generics/issue-46511.rs
@@ -2,7 +2,7 @@
 
 struct Foo<'a> //~ ERROR parameter `'a` is never used [E0392]
 {
-    _a: [u8; std::mem::size_of::<&'a mut u8>()] //~ ERROR  a non-static lifetime is not allowed in a `const`
+    _a: [u8; std::mem::size_of::<&'a mut u8>()] //~ ERROR generic parameters may not be used in const operations
 }
 
 pub fn main() {}
diff --git a/tests/ui/const-generics/issue-46511.stderr b/tests/ui/const-generics/issue-46511.stderr
index b21afa56dcb..58c93a1fab4 100644
--- a/tests/ui/const-generics/issue-46511.stderr
+++ b/tests/ui/const-generics/issue-46511.stderr
@@ -1,11 +1,11 @@
-error[E0658]: a non-static lifetime is not allowed in a `const`
+error: generic parameters may not be used in const operations
   --> $DIR/issue-46511.rs:5:35
    |
 LL |     _a: [u8; std::mem::size_of::<&'a mut u8>()]
-   |                                   ^^
+   |                                   ^^ cannot perform const operation using `'a`
    |
-   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
-   = help: add `#![feature(generic_const_exprs)]` to the crate attributes to enable
+   = note: lifetime parameters may not be used in const expressions
+   = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
 
 error[E0392]: parameter `'a` is never used
   --> $DIR/issue-46511.rs:3:12
@@ -17,5 +17,4 @@ LL | struct Foo<'a>
 
 error: aborting due to 2 previous errors
 
-Some errors have detailed explanations: E0392, E0658.
-For more information about an error, try `rustc --explain E0392`.
+For more information about this error, try `rustc --explain E0392`.
diff --git a/tests/ui/const-generics/issues/issue-105821.rs b/tests/ui/const-generics/issues/issue-105821.rs
index cba2e22c460..6cfabb65efb 100644
--- a/tests/ui/const-generics/issues/issue-105821.rs
+++ b/tests/ui/const-generics/issues/issue-105821.rs
@@ -1,7 +1,7 @@
 // check-pass
 
 #![allow(incomplete_features)]
-#![feature(adt_const_params, const_ptr_read, generic_const_exprs)]
+#![feature(adt_const_params, generic_const_exprs)]
 #![allow(dead_code)]
 
 const fn catone<const M: usize>(_a: &[u8; M]) -> [u8; M + 1]
diff --git a/tests/ui/const-generics/issues/issue-56445-1.full.stderr b/tests/ui/const-generics/issues/issue-56445-1.full.stderr
index 179643a7552..5fc0ec26047 100644
--- a/tests/ui/const-generics/issues/issue-56445-1.full.stderr
+++ b/tests/ui/const-generics/issues/issue-56445-1.full.stderr
@@ -1,11 +1,11 @@
-error[E0771]: use of non-static lifetime `'a` in const generic
+error[E0770]: the type of const parameters must not depend on other generic parameters
   --> $DIR/issue-56445-1.rs:9:26
    |
 LL | struct Bug<'a, const S: &'a str>(PhantomData<&'a ()>);
-   |                          ^^
+   |                          ^^ the type must not depend on the parameter `'a`
    |
-   = note: for more information, see issue #74052 <https://github.com/rust-lang/rust/issues/74052>
+   = note: lifetime parameters may not be used in the type of const parameters
 
 error: aborting due to previous error
 
-For more information about this error, try `rustc --explain E0771`.
+For more information about this error, try `rustc --explain E0770`.
diff --git a/tests/ui/const-generics/issues/issue-56445-1.min.stderr b/tests/ui/const-generics/issues/issue-56445-1.min.stderr
index 9f880134162..71a7051f25b 100644
--- a/tests/ui/const-generics/issues/issue-56445-1.min.stderr
+++ b/tests/ui/const-generics/issues/issue-56445-1.min.stderr
@@ -1,10 +1,10 @@
-error[E0771]: use of non-static lifetime `'a` in const generic
+error[E0770]: the type of const parameters must not depend on other generic parameters
   --> $DIR/issue-56445-1.rs:9:26
    |
 LL | struct Bug<'a, const S: &'a str>(PhantomData<&'a ()>);
-   |                          ^^
+   |                          ^^ the type must not depend on the parameter `'a`
    |
-   = note: for more information, see issue #74052 <https://github.com/rust-lang/rust/issues/74052>
+   = note: lifetime parameters may not be used in the type of const parameters
 
 error: `&str` is forbidden as the type of a const generic parameter
   --> $DIR/issue-56445-1.rs:9:25
@@ -17,4 +17,4 @@ LL | struct Bug<'a, const S: &'a str>(PhantomData<&'a ()>);
 
 error: aborting due to 2 previous errors
 
-For more information about this error, try `rustc --explain E0771`.
+For more information about this error, try `rustc --explain E0770`.
diff --git a/tests/ui/const-generics/issues/issue-56445-1.rs b/tests/ui/const-generics/issues/issue-56445-1.rs
index 0741c3796ad..d862bf24aef 100644
--- a/tests/ui/const-generics/issues/issue-56445-1.rs
+++ b/tests/ui/const-generics/issues/issue-56445-1.rs
@@ -7,7 +7,7 @@
 use std::marker::PhantomData;
 
 struct Bug<'a, const S: &'a str>(PhantomData<&'a ()>);
-//~^ ERROR: use of non-static lifetime `'a` in const generic
+//~^ ERROR: the type of const parameters must not depend on other generic parameters
 //[min]~| ERROR: `&str` is forbidden as the type of a const generic parameter
 
 impl Bug<'_, ""> {}
diff --git a/tests/ui/const-generics/issues/issue-62878.full.stderr b/tests/ui/const-generics/issues/issue-62878.full.stderr
index 3a2b291d7ba..c658b5a6e68 100644
--- a/tests/ui/const-generics/issues/issue-62878.full.stderr
+++ b/tests/ui/const-generics/issues/issue-62878.full.stderr
@@ -3,6 +3,8 @@ error[E0770]: the type of const parameters must not depend on other generic para
    |
 LL | fn foo<const N: usize, const A: [u8; N]>() {}
    |                                      ^ the type must not depend on the parameter `N`
+   |
+   = note: const parameters may not be used in the type of const parameters
 
 error: aborting due to previous error
 
diff --git a/tests/ui/const-generics/issues/issue-62878.min.stderr b/tests/ui/const-generics/issues/issue-62878.min.stderr
index 5a721720d78..9c0e5179cc4 100644
--- a/tests/ui/const-generics/issues/issue-62878.min.stderr
+++ b/tests/ui/const-generics/issues/issue-62878.min.stderr
@@ -3,6 +3,8 @@ error[E0770]: the type of const parameters must not depend on other generic para
    |
 LL | fn foo<const N: usize, const A: [u8; N]>() {}
    |                                      ^ the type must not depend on the parameter `N`
+   |
+   = note: const parameters may not be used in the type of const parameters
 
 error: `[u8; N]` is forbidden as the type of a const generic parameter
   --> $DIR/issue-62878.rs:5:33
diff --git a/tests/ui/const-generics/issues/issue-71169.full.stderr b/tests/ui/const-generics/issues/issue-71169.full.stderr
index 1f5880f368e..ccdfbbd54cf 100644
--- a/tests/ui/const-generics/issues/issue-71169.full.stderr
+++ b/tests/ui/const-generics/issues/issue-71169.full.stderr
@@ -3,6 +3,8 @@ error[E0770]: the type of const parameters must not depend on other generic para
    |
 LL | fn foo<const LEN: usize, const DATA: [u8; LEN]>() {}
    |                                           ^^^ the type must not depend on the parameter `LEN`
+   |
+   = note: const parameters may not be used in the type of const parameters
 
 error: aborting due to previous error
 
diff --git a/tests/ui/const-generics/issues/issue-71169.min.stderr b/tests/ui/const-generics/issues/issue-71169.min.stderr
index 998b16a79e6..ebfb24bec28 100644
--- a/tests/ui/const-generics/issues/issue-71169.min.stderr
+++ b/tests/ui/const-generics/issues/issue-71169.min.stderr
@@ -3,6 +3,8 @@ error[E0770]: the type of const parameters must not depend on other generic para
    |
 LL | fn foo<const LEN: usize, const DATA: [u8; LEN]>() {}
    |                                           ^^^ the type must not depend on the parameter `LEN`
+   |
+   = note: const parameters may not be used in the type of const parameters
 
 error: `[u8; LEN]` is forbidden as the type of a const generic parameter
   --> $DIR/issue-71169.rs:5:38
diff --git a/tests/ui/const-generics/issues/issue-71381.full.stderr b/tests/ui/const-generics/issues/issue-71381.full.stderr
index e17cf96aa3e..962eaf75b98 100644
--- a/tests/ui/const-generics/issues/issue-71381.full.stderr
+++ b/tests/ui/const-generics/issues/issue-71381.full.stderr
@@ -3,12 +3,16 @@ error[E0770]: the type of const parameters must not depend on other generic para
    |
 LL |     pub fn call_me<Args: Sized, const IDX: usize, const FN: unsafe extern "C" fn(Args)>(&self) {
    |                                                                                  ^^^^ the type must not depend on the parameter `Args`
+   |
+   = note: type parameters may not be used in the type of const parameters
 
 error[E0770]: the type of const parameters must not depend on other generic parameters
   --> $DIR/issue-71381.rs:23:40
    |
 LL |         const FN: unsafe extern "C" fn(Args),
    |                                        ^^^^ the type must not depend on the parameter `Args`
+   |
+   = note: type parameters may not be used in the type of const parameters
 
 error[E0741]: using function pointers as const generic parameters is forbidden
   --> $DIR/issue-71381.rs:14:61
diff --git a/tests/ui/const-generics/issues/issue-71381.min.stderr b/tests/ui/const-generics/issues/issue-71381.min.stderr
index 3950317b370..e1e140071fc 100644
--- a/tests/ui/const-generics/issues/issue-71381.min.stderr
+++ b/tests/ui/const-generics/issues/issue-71381.min.stderr
@@ -3,12 +3,16 @@ error[E0770]: the type of const parameters must not depend on other generic para
    |
 LL |     pub fn call_me<Args: Sized, const IDX: usize, const FN: unsafe extern "C" fn(Args)>(&self) {
    |                                                                                  ^^^^ the type must not depend on the parameter `Args`
+   |
+   = note: type parameters may not be used in the type of const parameters
 
 error[E0770]: the type of const parameters must not depend on other generic parameters
   --> $DIR/issue-71381.rs:23:40
    |
 LL |         const FN: unsafe extern "C" fn(Args),
    |                                        ^^^^ the type must not depend on the parameter `Args`
+   |
+   = note: type parameters may not be used in the type of const parameters
 
 error: using function pointers as const generic parameters is forbidden
   --> $DIR/issue-71381.rs:14:61
diff --git a/tests/ui/const-generics/issues/issue-71611.full.stderr b/tests/ui/const-generics/issues/issue-71611.full.stderr
index 656aa29e19b..e109459f2be 100644
--- a/tests/ui/const-generics/issues/issue-71611.full.stderr
+++ b/tests/ui/const-generics/issues/issue-71611.full.stderr
@@ -3,6 +3,8 @@ error[E0770]: the type of const parameters must not depend on other generic para
    |
 LL | fn func<A, const F: fn(inner: A)>(outer: A) {
    |                               ^ the type must not depend on the parameter `A`
+   |
+   = note: type parameters may not be used in the type of const parameters
 
 error[E0741]: using function pointers as const generic parameters is forbidden
   --> $DIR/issue-71611.rs:5:21
diff --git a/tests/ui/const-generics/issues/issue-71611.min.stderr b/tests/ui/const-generics/issues/issue-71611.min.stderr
index 01a85b745ce..b33d7cf9850 100644
--- a/tests/ui/const-generics/issues/issue-71611.min.stderr
+++ b/tests/ui/const-generics/issues/issue-71611.min.stderr
@@ -3,6 +3,8 @@ error[E0770]: the type of const parameters must not depend on other generic para
    |
 LL | fn func<A, const F: fn(inner: A)>(outer: A) {
    |                               ^ the type must not depend on the parameter `A`
+   |
+   = note: type parameters may not be used in the type of const parameters
 
 error: using function pointers as const generic parameters is forbidden
   --> $DIR/issue-71611.rs:5:21
diff --git a/tests/ui/const-generics/issues/issue-77357.rs b/tests/ui/const-generics/issues/issue-77357.rs
deleted file mode 100644
index 3cb8d3846ab..00000000000
--- a/tests/ui/const-generics/issues/issue-77357.rs
+++ /dev/null
@@ -1,11 +0,0 @@
-#![feature(generic_const_exprs)]
-#![allow(incomplete_features)]
-
-trait MyTrait<T> {}
-
-fn bug<'a, T>() -> &'static dyn MyTrait<[(); { |x: &'a u32| { x }; 4 }]> {
-    //~^ ERROR overly complex generic constant
-    todo!()
-}
-
-fn main() {}
diff --git a/tests/ui/const-generics/issues/issue-77357.stderr b/tests/ui/const-generics/issues/issue-77357.stderr
deleted file mode 100644
index 68b35a38b0f..00000000000
--- a/tests/ui/const-generics/issues/issue-77357.stderr
+++ /dev/null
@@ -1,11 +0,0 @@
-error: overly complex generic constant
-  --> $DIR/issue-77357.rs:6:46
-   |
-LL | fn bug<'a, T>() -> &'static dyn MyTrait<[(); { |x: &'a u32| { x }; 4 }]> {
-   |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^ blocks are not supported in generic constants
-   |
-   = help: consider moving this anonymous constant into a `const` function
-   = note: this operation may be supported in the future
-
-error: aborting due to previous error
-
diff --git a/tests/ui/const-generics/issues/issue-83993.rs b/tests/ui/const-generics/issues/issue-83993.rs
deleted file mode 100644
index f2f05d9526b..00000000000
--- a/tests/ui/const-generics/issues/issue-83993.rs
+++ /dev/null
@@ -1,14 +0,0 @@
-// check-pass
-
-#![feature(generic_const_exprs)]
-#![allow(incomplete_features)]
-
-fn bug<'a>()
-where
-    for<'b> [(); {
-        let x: &'b ();
-        0
-    }]:
-{}
-
-fn main() {}
diff --git a/tests/ui/const-generics/issues/issue-88997.stderr b/tests/ui/const-generics/issues/issue-88997.stderr
index 505ba0da232..b49d52dd0ba 100644
--- a/tests/ui/const-generics/issues/issue-88997.stderr
+++ b/tests/ui/const-generics/issues/issue-88997.stderr
@@ -3,12 +3,16 @@ error[E0770]: the type of const parameters must not depend on other generic para
    |
 LL | struct Range<T: PartialOrd, const MIN: T, const MAX: T>(T)
    |                                        ^ the type must not depend on the parameter `T`
+   |
+   = note: type parameters may not be used in the type of const parameters
 
 error[E0770]: the type of const parameters must not depend on other generic parameters
   --> $DIR/issue-88997.rs:8:54
    |
 LL | struct Range<T: PartialOrd, const MIN: T, const MAX: T>(T)
    |                                                      ^ the type must not depend on the parameter `T`
+   |
+   = note: type parameters may not be used in the type of const parameters
 
 error: aborting due to 2 previous errors
 
diff --git a/tests/ui/const-generics/issues/issue-90364.stderr b/tests/ui/const-generics/issues/issue-90364.stderr
index e85bd136ef6..23424d7b919 100644
--- a/tests/ui/const-generics/issues/issue-90364.stderr
+++ b/tests/ui/const-generics/issues/issue-90364.stderr
@@ -3,6 +3,8 @@ error[E0770]: the type of const parameters must not depend on other generic para
    |
 LL | pub struct Foo<T, const H: T>(T)
    |                            ^ the type must not depend on the parameter `T`
+   |
+   = note: type parameters may not be used in the type of const parameters
 
 error: aborting due to previous error
 
diff --git a/tests/ui/const-generics/late-bound-vars/in_closure.rs b/tests/ui/const-generics/late-bound-vars/in_closure.rs
index 5294cc3b5f4..00fb535f048 100644
--- a/tests/ui/const-generics/late-bound-vars/in_closure.rs
+++ b/tests/ui/const-generics/late-bound-vars/in_closure.rs
@@ -1,4 +1,22 @@
-// run-pass
+// failure-status: 101
+// known-bug: unknown
+// error-pattern:internal compiler error
+// normalize-stderr-test "internal compiler error.*" -> ""
+// normalize-stderr-test "DefId\([^)]*\)" -> "..."
+// normalize-stderr-test "\nerror: internal compiler error.*\n\n" -> ""
+// normalize-stderr-test "note:.*unexpectedly panicked.*\n\n" -> ""
+// normalize-stderr-test "note: we would appreciate a bug report.*\n\n" -> ""
+// normalize-stderr-test "note: compiler flags.*\n\n" -> ""
+// normalize-stderr-test "note: rustc.*running on.*\n\n" -> ""
+// normalize-stderr-test "thread.*panicked.*\n" -> ""
+// normalize-stderr-test "stack backtrace:\n" -> ""
+// normalize-stderr-test "\s\d{1,}: .*\n" -> ""
+// normalize-stderr-test "\s at .*\n" -> ""
+// normalize-stderr-test ".*note: Some details.*\n" -> ""
+// normalize-stderr-test "\n\n[ ]*\n" -> ""
+// normalize-stderr-test "compiler/.*: projection" -> "projection"
+// this should run-pass
+
 #![feature(generic_const_exprs)]
 #![allow(incomplete_features)]
 
diff --git a/tests/ui/const-generics/late-bound-vars/in_closure.stderr b/tests/ui/const-generics/late-bound-vars/in_closure.stderr
new file mode 100644
index 00000000000..557fbea2e05
--- /dev/null
+++ b/tests/ui/const-generics/late-bound-vars/in_closure.stderr
@@ -0,0 +1,13 @@
+error: query stack during panic:
+#0 [mir_borrowck] borrow-checking `test::{closure#0}::{constant#1}`
+#1 [mir_drops_elaborated_and_const_checked] elaborating drops for `test::{closure#0}::{constant#1}`
+#2 [mir_for_ctfe] caching mir of `test::{closure#0}::{constant#1}` for CTFE
+#3 [eval_to_allocation_raw] const-evaluating + checking `test::{closure#0}::{constant#1}`
+#4 [eval_to_allocation_raw] const-evaluating + checking `test::{closure#0}::{constant#1}`
+#5 [eval_to_valtree] evaluating type-level constant
+#6 [typeck] type-checking `test`
+#7 [used_trait_imports] finding used_trait_imports `test`
+#8 [analysis] running analysis passes on this crate
+end of query stack
+error: aborting due to previous error
+
diff --git a/tests/ui/const-generics/late-bound-vars/simple.rs b/tests/ui/const-generics/late-bound-vars/simple.rs
index 6da5395ef83..5d19aaf0b95 100644
--- a/tests/ui/const-generics/late-bound-vars/simple.rs
+++ b/tests/ui/const-generics/late-bound-vars/simple.rs
@@ -1,4 +1,21 @@
-// run-pass
+// failure-status: 101
+// known-bug: unknown
+// error-pattern:internal compiler error
+// normalize-stderr-test "internal compiler error.*" -> ""
+// normalize-stderr-test "DefId\([^)]*\)" -> "..."
+// normalize-stderr-test "\nerror: internal compiler error.*\n\n" -> ""
+// normalize-stderr-test "note:.*unexpectedly panicked.*\n\n" -> ""
+// normalize-stderr-test "note: we would appreciate a bug report.*\n\n" -> ""
+// normalize-stderr-test "note: compiler flags.*\n\n" -> ""
+// normalize-stderr-test "note: rustc.*running on.*\n\n" -> ""
+// normalize-stderr-test "thread.*panicked.*\n" -> ""
+// normalize-stderr-test "stack backtrace:\n" -> ""
+// normalize-stderr-test "\s\d{1,}: .*\n" -> ""
+// normalize-stderr-test "\s at .*\n" -> ""
+// normalize-stderr-test ".*note: Some details.*\n" -> ""
+// normalize-stderr-test "\n\n[ ]*\n" -> ""
+// normalize-stderr-test "compiler/.*: projection" -> "projection"
+
 #![feature(generic_const_exprs)]
 #![allow(incomplete_features)]
 
diff --git a/tests/ui/const-generics/late-bound-vars/simple.stderr b/tests/ui/const-generics/late-bound-vars/simple.stderr
new file mode 100644
index 00000000000..c0568f5a5cf
--- /dev/null
+++ b/tests/ui/const-generics/late-bound-vars/simple.stderr
@@ -0,0 +1,13 @@
+error: query stack during panic:
+#0 [mir_borrowck] borrow-checking `test::{constant#1}`
+#1 [mir_drops_elaborated_and_const_checked] elaborating drops for `test::{constant#1}`
+#2 [mir_for_ctfe] caching mir of `test::{constant#1}` for CTFE
+#3 [eval_to_allocation_raw] const-evaluating + checking `test::{constant#1}`
+#4 [eval_to_allocation_raw] const-evaluating + checking `test::{constant#1}`
+#5 [eval_to_valtree] evaluating type-level constant
+#6 [typeck] type-checking `test`
+#7 [used_trait_imports] finding used_trait_imports `test`
+#8 [analysis] running analysis passes on this crate
+end of query stack
+error: aborting due to previous error
+
diff --git a/tests/ui/const-generics/min_const_generics/forbid-non-static-lifetimes.rs b/tests/ui/const-generics/min_const_generics/forbid-non-static-lifetimes.rs
index 6215b7d936c..86f2bc9c74b 100644
--- a/tests/ui/const-generics/min_const_generics/forbid-non-static-lifetimes.rs
+++ b/tests/ui/const-generics/min_const_generics/forbid-non-static-lifetimes.rs
@@ -5,7 +5,7 @@ fn test<const N: usize>() {}
 
 fn issue_75323_and_74447_1<'a>() -> &'a () {
     test::<{ let _: &'a (); 3 },>();
-   //~^ ERROR a non-static lifetime is not allowed in a `const`
+   //~^ ERROR generic parameters may not be used in const operations
     &()
 }
 
@@ -19,7 +19,7 @@ fn issue_75323_and_74447_3() {
 
 fn issue_73375<'a>() {
     [(); (|_: &'a u8| (), 0).1];
-    //~^ ERROR a non-static lifetime is not allowed in a `const`
+    //~^ ERROR generic parameters may not be used in const operations
 }
 
 fn main() {}
diff --git a/tests/ui/const-generics/min_const_generics/forbid-non-static-lifetimes.stderr b/tests/ui/const-generics/min_const_generics/forbid-non-static-lifetimes.stderr
index 5f641b07095..7726016eb83 100644
--- a/tests/ui/const-generics/min_const_generics/forbid-non-static-lifetimes.stderr
+++ b/tests/ui/const-generics/min_const_generics/forbid-non-static-lifetimes.stderr
@@ -1,21 +1,20 @@
-error[E0658]: a non-static lifetime is not allowed in a `const`
+error: generic parameters may not be used in const operations
   --> $DIR/forbid-non-static-lifetimes.rs:7:22
    |
 LL |     test::<{ let _: &'a (); 3 },>();
-   |                      ^^
+   |                      ^^ cannot perform const operation using `'a`
    |
-   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
-   = help: add `#![feature(generic_const_exprs)]` to the crate attributes to enable
+   = note: lifetime parameters may not be used in const expressions
+   = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
 
-error[E0658]: a non-static lifetime is not allowed in a `const`
+error: generic parameters may not be used in const operations
   --> $DIR/forbid-non-static-lifetimes.rs:21:16
    |
 LL |     [(); (|_: &'a u8| (), 0).1];
-   |                ^^
+   |                ^^ cannot perform const operation using `'a`
    |
-   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
-   = help: add `#![feature(generic_const_exprs)]` to the crate attributes to enable
+   = note: lifetime parameters may not be used in const expressions
+   = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
 
 error: aborting due to 2 previous errors
 
-For more information about this error, try `rustc --explain E0658`.
diff --git a/tests/ui/const-generics/nested-type.rs b/tests/ui/const-generics/nested-type.rs
index 5240f5c3b0b..ff95018065a 100644
--- a/tests/ui/const-generics/nested-type.rs
+++ b/tests/ui/const-generics/nested-type.rs
@@ -3,7 +3,7 @@
 #![cfg_attr(full, feature(adt_const_params))]
 #![cfg_attr(full, allow(incomplete_features))]
 
-struct Foo<const N: [u8; { //[min]~ ERROR `[u8; _]` is forbidden
+struct Foo<const N: [u8; {
     struct Foo<const N: usize>;
 
     impl<const N: usize> Foo<N> {
@@ -15,5 +15,9 @@ struct Foo<const N: [u8; { //[min]~ ERROR `[u8; _]` is forbidden
     Foo::<17>::value()
     //~^ ERROR cannot call non-const fn
 }]>;
+//[min]~^^^^^^^^^^^^ ERROR `[u8; {
+
+// N.B. it is important that the comment above is not inside the array length,
+//      otherwise it may check for itself, instead of the actual error
 
 fn main() {}
diff --git a/tests/ui/const-generics/outer-lifetime-in-const-generic-default.rs b/tests/ui/const-generics/outer-lifetime-in-const-generic-default.rs
index 3018439afa7..de710b0e37d 100644
--- a/tests/ui/const-generics/outer-lifetime-in-const-generic-default.rs
+++ b/tests/ui/const-generics/outer-lifetime-in-const-generic-default.rs
@@ -2,7 +2,7 @@ struct Foo<
     'a,
     const N: usize = {
         let x: &'a ();
-        //~^ ERROR use of non-static lifetime `'a` in const generic
+        //~^ ERROR generic parameters may not be used in const operations
         3
     },
 >(&'a ());
diff --git a/tests/ui/const-generics/outer-lifetime-in-const-generic-default.stderr b/tests/ui/const-generics/outer-lifetime-in-const-generic-default.stderr
index 9d9555d3f64..6b0d18f1989 100644
--- a/tests/ui/const-generics/outer-lifetime-in-const-generic-default.stderr
+++ b/tests/ui/const-generics/outer-lifetime-in-const-generic-default.stderr
@@ -1,11 +1,11 @@
-error[E0771]: use of non-static lifetime `'a` in const generic
+error: generic parameters may not be used in const operations
   --> $DIR/outer-lifetime-in-const-generic-default.rs:4:17
    |
 LL |         let x: &'a ();
-   |                 ^^
+   |                 ^^ cannot perform const operation using `'a`
    |
-   = note: for more information, see issue #74052 <https://github.com/rust-lang/rust/issues/74052>
+   = note: lifetime parameters may not be used in const expressions
+   = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
 
 error: aborting due to previous error
 
-For more information about this error, try `rustc --explain E0771`.
diff --git a/tests/ui/const-generics/sneaky-array-repeat-expr.rs b/tests/ui/const-generics/sneaky-array-repeat-expr.rs
index b147c246bda..cd1607608a6 100644
--- a/tests/ui/const-generics/sneaky-array-repeat-expr.rs
+++ b/tests/ui/const-generics/sneaky-array-repeat-expr.rs
@@ -10,6 +10,7 @@ impl<const N: usize> Trait<N> for () {
 pub const fn foo<const N: usize>() where (): Trait<N> {
     let bar = [(); <()>::Assoc];
     //~^ error: constant expression depends on a generic parameter
+    //~| error: constant expression depends on a generic parameter
 }
 
 trait Trait2<const N: usize> {
@@ -24,6 +25,7 @@ impl<const N: usize> Trait2<N> for () {
 pub const fn foo2<const N: usize>() where (): Trait2<N> {
     let bar2 = [(); <()>::Assoc2];
     //~^ error: constant expression depends on a generic parameter
+    //~| error: constant expression depends on a generic parameter
 }
 
 fn main() {
diff --git a/tests/ui/const-generics/sneaky-array-repeat-expr.stderr b/tests/ui/const-generics/sneaky-array-repeat-expr.stderr
index 5c77375d399..e532f27a10d 100644
--- a/tests/ui/const-generics/sneaky-array-repeat-expr.stderr
+++ b/tests/ui/const-generics/sneaky-array-repeat-expr.stderr
@@ -7,12 +7,28 @@ LL |     let bar = [(); <()>::Assoc];
    = note: this may fail depending on what value the parameter takes
 
 error: constant expression depends on a generic parameter
-  --> $DIR/sneaky-array-repeat-expr.rs:25:21
+  --> $DIR/sneaky-array-repeat-expr.rs:11:15
+   |
+LL |     let bar = [(); <()>::Assoc];
+   |               ^^^^^^^^^^^^^^^^^
+   |
+   = note: this may fail depending on what value the parameter takes
+
+error: constant expression depends on a generic parameter
+  --> $DIR/sneaky-array-repeat-expr.rs:26:21
    |
 LL |     let bar2 = [(); <()>::Assoc2];
    |                     ^^^^^^^^^^^^
    |
    = note: this may fail depending on what value the parameter takes
 
-error: aborting due to 2 previous errors
+error: constant expression depends on a generic parameter
+  --> $DIR/sneaky-array-repeat-expr.rs:26:16
+   |
+LL |     let bar2 = [(); <()>::Assoc2];
+   |                ^^^^^^^^^^^^^^^^^^
+   |
+   = note: this may fail depending on what value the parameter takes
+
+error: aborting due to 4 previous errors
 
diff --git a/tests/ui/const-generics/variant-discrimiant-no-generics.full.stderr b/tests/ui/const-generics/variant-discrimiant-no-generics.full.stderr
new file mode 100644
index 00000000000..2f03b8e1f66
--- /dev/null
+++ b/tests/ui/const-generics/variant-discrimiant-no-generics.full.stderr
@@ -0,0 +1,34 @@
+error: generic parameters may not be used in enum discriminant values
+  --> $DIR/variant-discrimiant-no-generics.rs:7:15
+   |
+LL |     Variant = N,
+   |               ^ cannot perform const operation using `N`
+   |
+   = note: const parameters may not be used in enum discriminant values
+
+error: generic parameters may not be used in enum discriminant values
+  --> $DIR/variant-discrimiant-no-generics.rs:12:17
+   |
+LL |     Variant = { N + 1 },
+   |                 ^ cannot perform const operation using `N`
+   |
+   = note: const parameters may not be used in enum discriminant values
+
+error: generic parameters may not be used in enum discriminant values
+  --> $DIR/variant-discrimiant-no-generics.rs:18:37
+   |
+LL |     Variant = { std::mem::size_of::<T>() as isize },
+   |                                     ^ cannot perform const operation using `T`
+   |
+   = note: type parameters may not be used in enum discriminant values
+
+error: generic parameters may not be used in enum discriminant values
+  --> $DIR/variant-discrimiant-no-generics.rs:25:17
+   |
+LL |         let a: &'a ();
+   |                 ^^ cannot perform const operation using `'a`
+   |
+   = note: lifetime parameters may not be used in enum discriminant values
+
+error: aborting due to 4 previous errors
+
diff --git a/tests/ui/const-generics/variant-discrimiant-no-generics.min.stderr b/tests/ui/const-generics/variant-discrimiant-no-generics.min.stderr
new file mode 100644
index 00000000000..2f03b8e1f66
--- /dev/null
+++ b/tests/ui/const-generics/variant-discrimiant-no-generics.min.stderr
@@ -0,0 +1,34 @@
+error: generic parameters may not be used in enum discriminant values
+  --> $DIR/variant-discrimiant-no-generics.rs:7:15
+   |
+LL |     Variant = N,
+   |               ^ cannot perform const operation using `N`
+   |
+   = note: const parameters may not be used in enum discriminant values
+
+error: generic parameters may not be used in enum discriminant values
+  --> $DIR/variant-discrimiant-no-generics.rs:12:17
+   |
+LL |     Variant = { N + 1 },
+   |                 ^ cannot perform const operation using `N`
+   |
+   = note: const parameters may not be used in enum discriminant values
+
+error: generic parameters may not be used in enum discriminant values
+  --> $DIR/variant-discrimiant-no-generics.rs:18:37
+   |
+LL |     Variant = { std::mem::size_of::<T>() as isize },
+   |                                     ^ cannot perform const operation using `T`
+   |
+   = note: type parameters may not be used in enum discriminant values
+
+error: generic parameters may not be used in enum discriminant values
+  --> $DIR/variant-discrimiant-no-generics.rs:25:17
+   |
+LL |         let a: &'a ();
+   |                 ^^ cannot perform const operation using `'a`
+   |
+   = note: lifetime parameters may not be used in enum discriminant values
+
+error: aborting due to 4 previous errors
+
diff --git a/tests/ui/const-generics/variant-discrimiant-no-generics.rs b/tests/ui/const-generics/variant-discrimiant-no-generics.rs
new file mode 100644
index 00000000000..e286aa9a613
--- /dev/null
+++ b/tests/ui/const-generics/variant-discrimiant-no-generics.rs
@@ -0,0 +1,32 @@
+// revisions: full min
+
+#![cfg_attr(full, feature(generic_const_exprs))]
+#![cfg_attr(full, allow(incomplete_features))]
+
+enum Foo<const N: isize> {
+    Variant = N,
+    //~^ ERROR: generic parameters may not be used in enum discriminant values
+}
+
+enum Owo<const N: isize> {
+    Variant = { N + 1 },
+    //~^ ERROR: generic parameters may not be used in enum discriminant values
+}
+
+#[repr(isize)]
+enum Bar<T> {
+    Variant = { std::mem::size_of::<T>() as isize },
+    Other(T), //~^ ERROR: generic parameters may not be used in enum discriminant values
+}
+
+#[repr(isize)]
+enum UwU<'a> {
+    Variant = {
+        let a: &'a ();
+        //~^ ERROR: generic parameters may not be used in enum discriminant values
+        10_isize
+    },
+    Other(&'a ()),
+}
+
+fn main() {}
diff --git a/tests/ui/const-ptr/out_of_bounds_read.rs b/tests/ui/const-ptr/out_of_bounds_read.rs
index 9dd669180da..a371aa93c5e 100644
--- a/tests/ui/const-ptr/out_of_bounds_read.rs
+++ b/tests/ui/const-ptr/out_of_bounds_read.rs
@@ -1,7 +1,5 @@
 // error-pattern: evaluation of constant value failed
 
-#![feature(const_ptr_read)]
-
 fn main() {
     use std::ptr;
 
diff --git a/tests/ui/const-ptr/out_of_bounds_read.stderr b/tests/ui/const-ptr/out_of_bounds_read.stderr
index 89536f53f08..c5c0a1cdefc 100644
--- a/tests/ui/const-ptr/out_of_bounds_read.stderr
+++ b/tests/ui/const-ptr/out_of_bounds_read.stderr
@@ -6,7 +6,7 @@ error[E0080]: evaluation of constant value failed
 note: inside `std::ptr::read::<u32>`
   --> $SRC_DIR/core/src/ptr/mod.rs:LL:COL
 note: inside `_READ`
-  --> $DIR/out_of_bounds_read.rs:12:33
+  --> $DIR/out_of_bounds_read.rs:10:33
    |
 LL |     const _READ: u32 = unsafe { ptr::read(PAST_END_PTR) };
    |                                 ^^^^^^^^^^^^^^^^^^^^^^^
@@ -21,7 +21,7 @@ note: inside `std::ptr::read::<u32>`
 note: inside `ptr::const_ptr::<impl *const u32>::read`
   --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
 note: inside `_CONST_READ`
-  --> $DIR/out_of_bounds_read.rs:13:39
+  --> $DIR/out_of_bounds_read.rs:11:39
    |
 LL |     const _CONST_READ: u32 = unsafe { PAST_END_PTR.read() };
    |                                       ^^^^^^^^^^^^^^^^^^^
@@ -36,7 +36,7 @@ note: inside `std::ptr::read::<u32>`
 note: inside `ptr::mut_ptr::<impl *mut u32>::read`
   --> $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
 note: inside `_MUT_READ`
-  --> $DIR/out_of_bounds_read.rs:14:37
+  --> $DIR/out_of_bounds_read.rs:12:37
    |
 LL |     const _MUT_READ: u32 = unsafe { (PAST_END_PTR as *mut u32).read() };
    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
diff --git a/tests/ui/consts/const-prop-ice.rs b/tests/ui/const_prop/const-prop-ice.rs
index 5bffe020629..5bffe020629 100644
--- a/tests/ui/consts/const-prop-ice.rs
+++ b/tests/ui/const_prop/const-prop-ice.rs
diff --git a/tests/ui/consts/const-prop-ice.stderr b/tests/ui/const_prop/const-prop-ice.stderr
index 3bcf2b2de7b..3bcf2b2de7b 100644
--- a/tests/ui/consts/const-prop-ice.stderr
+++ b/tests/ui/const_prop/const-prop-ice.stderr
diff --git a/tests/ui/consts/const-prop-ice2.rs b/tests/ui/const_prop/const-prop-ice2.rs
index d533e394c06..d533e394c06 100644
--- a/tests/ui/consts/const-prop-ice2.rs
+++ b/tests/ui/const_prop/const-prop-ice2.rs
diff --git a/tests/ui/consts/const-prop-ice2.stderr b/tests/ui/const_prop/const-prop-ice2.stderr
index 2b65ffc2db7..2b65ffc2db7 100644
--- a/tests/ui/consts/const-prop-ice2.stderr
+++ b/tests/ui/const_prop/const-prop-ice2.stderr
diff --git a/tests/ui/consts/const-prop-ice3.rs b/tests/ui/const_prop/const-prop-ice3.rs
index 8ab011661e3..8ab011661e3 100644
--- a/tests/ui/consts/const-prop-ice3.rs
+++ b/tests/ui/const_prop/const-prop-ice3.rs
diff --git a/tests/ui/consts/const-prop-overflowing-casts.rs b/tests/ui/const_prop/const-prop-overflowing-casts.rs
index 8cc5b98250b..8cc5b98250b 100644
--- a/tests/ui/consts/const-prop-overflowing-casts.rs
+++ b/tests/ui/const_prop/const-prop-overflowing-casts.rs
diff --git a/tests/ui/consts/const-prop-read-static-in-const.rs b/tests/ui/const_prop/const-prop-read-static-in-const.rs
index 21426205955..21426205955 100644
--- a/tests/ui/consts/const-prop-read-static-in-const.rs
+++ b/tests/ui/const_prop/const-prop-read-static-in-const.rs
diff --git a/tests/ui/consts/const-prop-read-static-in-const.stderr b/tests/ui/const_prop/const-prop-read-static-in-const.stderr
index 793da628587..793da628587 100644
--- a/tests/ui/consts/const-prop-read-static-in-const.stderr
+++ b/tests/ui/const_prop/const-prop-read-static-in-const.stderr
diff --git a/tests/ui/const_prop/unsized-local-ice.rs b/tests/ui/const_prop/unsized-local-ice.rs
new file mode 100644
index 00000000000..c725b3238ea
--- /dev/null
+++ b/tests/ui/const_prop/unsized-local-ice.rs
@@ -0,0 +1,9 @@
+// build-pass
+//! Regression test for <https://github.com/rust-lang/rust/issues/68538>.
+#![feature(unsized_fn_params)]
+
+pub fn take_unsized_slice(s: [u8]) {
+    s[0];
+}
+
+fn main() {}
diff --git a/tests/ui/consts/auxiliary/external_macro.rs b/tests/ui/consts/auxiliary/external_macro.rs
index d260634c996..fea24703dda 100644
--- a/tests/ui/consts/auxiliary/external_macro.rs
+++ b/tests/ui/consts/auxiliary/external_macro.rs
@@ -9,6 +9,6 @@
 macro_rules! static_assert {
     ($test:expr) => {
         #[allow(dead_code)]
-        const _: () = [()][!($test: bool) as usize];
+        const _: () = [()][!($test) as usize];
     }
 }
diff --git a/tests/ui/consts/const-block-const-bound.rs b/tests/ui/consts/const-block-const-bound.rs
index 42aa0216b87..3704a1a5a39 100644
--- a/tests/ui/consts/const-block-const-bound.rs
+++ b/tests/ui/consts/const-block-const-bound.rs
@@ -11,15 +11,9 @@ impl Drop for UnconstDrop {
     fn drop(&mut self) {}
 }
 
-struct NonDrop;
-
-impl !Drop for NonDrop {}
-
 fn main() {
     const {
         f(UnconstDrop);
         //~^ ERROR can't drop
-        f(NonDrop);
-        //~^ ERROR can't drop
     }
 }
diff --git a/tests/ui/consts/const-block-const-bound.stderr b/tests/ui/consts/const-block-const-bound.stderr
index fef4914fad5..caf24e7afcf 100644
--- a/tests/ui/consts/const-block-const-bound.stderr
+++ b/tests/ui/consts/const-block-const-bound.stderr
@@ -1,5 +1,5 @@
 error[E0277]: can't drop `UnconstDrop` in const contexts
-  --> $DIR/const-block-const-bound.rs:20:9
+  --> $DIR/const-block-const-bound.rs:16:9
    |
 LL |         f(UnconstDrop);
    |         ^^^^^^^^^^^^^^ the trait `~const Destruct` is not implemented for `UnconstDrop`
@@ -12,20 +12,6 @@ LL |         &f(UnconstDrop);
 LL |         &mut f(UnconstDrop);
    |         ++++
 
-error[E0277]: can't drop `NonDrop` in const contexts
-  --> $DIR/const-block-const-bound.rs:22:9
-   |
-LL |         f(NonDrop);
-   |         ^^^^^^^^^^ the trait `~const Destruct` is not implemented for `NonDrop`
-   |
-   = note: the trait bound `NonDrop: ~const Destruct` is not satisfied
-help: consider borrowing here
-   |
-LL |         &f(NonDrop);
-   |         +
-LL |         &mut f(NonDrop);
-   |         ++++
-
-error: aborting due to 2 previous errors
+error: aborting due to previous error
 
 For more information about this error, try `rustc --explain E0277`.
diff --git a/tests/ui/consts/const-eval/format.stderr b/tests/ui/consts/const-eval/format.stderr
index 70a1abb0a95..434b0744304 100644
--- a/tests/ui/consts/const-eval/format.stderr
+++ b/tests/ui/consts/const-eval/format.stderr
@@ -43,62 +43,6 @@ LL |     println!("{:?}", 0);
    = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
    = note: this error originates in the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
 
-note: erroneous constant used
-  --> $DIR/format.rs:2:12
-   |
-LL |     panic!("{:?}", 0);
-   |            ^^^^^^
-
-note: erroneous constant used
-  --> $DIR/format.rs:2:12
-   |
-LL |     panic!("{:?}", 0);
-   |            ^^^^^^
-
-note: erroneous constant used
-  --> $DIR/format.rs:2:20
-   |
-LL |     panic!("{:?}", 0);
-   |                    ^
-   |
-   = note: this note originates in the macro `$crate::const_format_args` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info)
-
-note: erroneous constant used
-  --> $DIR/format.rs:2:20
-   |
-LL |     panic!("{:?}", 0);
-   |                    ^
-   |
-   = note: this note originates in the macro `$crate::const_format_args` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info)
-
-note: erroneous constant used
-  --> $DIR/format.rs:8:14
-   |
-LL |     println!("{:?}", 0);
-   |              ^^^^^^
-
-note: erroneous constant used
-  --> $DIR/format.rs:8:14
-   |
-LL |     println!("{:?}", 0);
-   |              ^^^^^^
-
-note: erroneous constant used
-  --> $DIR/format.rs:8:22
-   |
-LL |     println!("{:?}", 0);
-   |                      ^
-   |
-   = note: this note originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
-
-note: erroneous constant used
-  --> $DIR/format.rs:8:22
-   |
-LL |     println!("{:?}", 0);
-   |                      ^
-   |
-   = note: this note originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
-
 error: aborting due to 5 previous errors
 
 For more information about this error, try `rustc --explain E0015`.
diff --git a/tests/ui/consts/const-eval/ub-ref-ptr.rs b/tests/ui/consts/const-eval/ub-ref-ptr.rs
index 369e4519407..a5d2ea01486 100644
--- a/tests/ui/consts/const-eval/ub-ref-ptr.rs
+++ b/tests/ui/consts/const-eval/ub-ref-ptr.rs
@@ -3,7 +3,6 @@
 // normalize-stderr-test "(the raw bytes of the constant) \(size: [0-9]*, align: [0-9]*\)" -> "$1 (size: $$SIZE, align: $$ALIGN)"
 // normalize-stderr-test "([0-9a-f][0-9a-f] |╾─*a(lloc)?[0-9]+(\+[a-z0-9]+)?─*╼ )+ *│.*" -> "HEX_DUMP"
 #![allow(invalid_value)]
-#![feature(const_ptr_read)]
 
 use std::mem;
 
diff --git a/tests/ui/consts/const-eval/ub-ref-ptr.stderr b/tests/ui/consts/const-eval/ub-ref-ptr.stderr
index 080568b51ef..1d19dfff50b 100644
--- a/tests/ui/consts/const-eval/ub-ref-ptr.stderr
+++ b/tests/ui/consts/const-eval/ub-ref-ptr.stderr
@@ -1,5 +1,5 @@
 error[E0080]: it is undefined behavior to use this value
-  --> $DIR/ub-ref-ptr.rs:16:1
+  --> $DIR/ub-ref-ptr.rs:15:1
    |
 LL | const UNALIGNED: &u16 = unsafe { mem::transmute(&[0u8; 4]) };
    | ^^^^^^^^^^^^^^^^^^^^^ constructing invalid value: encountered an unaligned reference (required 2 byte alignment but found 1)
@@ -10,7 +10,7 @@ LL | const UNALIGNED: &u16 = unsafe { mem::transmute(&[0u8; 4]) };
            }
 
 error[E0080]: it is undefined behavior to use this value
-  --> $DIR/ub-ref-ptr.rs:20:1
+  --> $DIR/ub-ref-ptr.rs:19:1
    |
 LL | const UNALIGNED_BOX: Box<u16> = unsafe { mem::transmute(&[0u8; 4]) };
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ constructing invalid value: encountered an unaligned box (required 2 byte alignment but found 1)
@@ -21,7 +21,7 @@ LL | const UNALIGNED_BOX: Box<u16> = unsafe { mem::transmute(&[0u8; 4]) };
            }
 
 error[E0080]: it is undefined behavior to use this value
-  --> $DIR/ub-ref-ptr.rs:24:1
+  --> $DIR/ub-ref-ptr.rs:23:1
    |
 LL | const NULL: &u16 = unsafe { mem::transmute(0usize) };
    | ^^^^^^^^^^^^^^^^ constructing invalid value: encountered a null reference
@@ -32,7 +32,7 @@ LL | const NULL: &u16 = unsafe { mem::transmute(0usize) };
            }
 
 error[E0080]: it is undefined behavior to use this value
-  --> $DIR/ub-ref-ptr.rs:27:1
+  --> $DIR/ub-ref-ptr.rs:26:1
    |
 LL | const NULL_BOX: Box<u16> = unsafe { mem::transmute(0usize) };
    | ^^^^^^^^^^^^^^^^^^^^^^^^ constructing invalid value: encountered a null box
@@ -43,7 +43,7 @@ LL | const NULL_BOX: Box<u16> = unsafe { mem::transmute(0usize) };
            }
 
 error[E0080]: evaluation of constant value failed
-  --> $DIR/ub-ref-ptr.rs:34:1
+  --> $DIR/ub-ref-ptr.rs:33:1
    |
 LL | const REF_AS_USIZE: usize = unsafe { mem::transmute(&0) };
    | ^^^^^^^^^^^^^^^^^^^^^^^^^ unable to turn pointer into raw bytes
@@ -52,7 +52,7 @@ LL | const REF_AS_USIZE: usize = unsafe { mem::transmute(&0) };
    = help: the absolute address of a pointer is not known at compile-time, so such operations are not supported
 
 error[E0080]: evaluation of constant value failed
-  --> $DIR/ub-ref-ptr.rs:37:39
+  --> $DIR/ub-ref-ptr.rs:36:39
    |
 LL | const REF_AS_USIZE_SLICE: &[usize] = &[unsafe { mem::transmute(&0) }];
    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unable to turn pointer into raw bytes
@@ -61,13 +61,13 @@ LL | const REF_AS_USIZE_SLICE: &[usize] = &[unsafe { mem::transmute(&0) }];
    = help: the absolute address of a pointer is not known at compile-time, so such operations are not supported
 
 note: erroneous constant used
-  --> $DIR/ub-ref-ptr.rs:37:38
+  --> $DIR/ub-ref-ptr.rs:36:38
    |
 LL | const REF_AS_USIZE_SLICE: &[usize] = &[unsafe { mem::transmute(&0) }];
    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error[E0080]: evaluation of constant value failed
-  --> $DIR/ub-ref-ptr.rs:40:86
+  --> $DIR/ub-ref-ptr.rs:39:86
    |
 LL | const REF_AS_USIZE_BOX_SLICE: Box<[usize]> = unsafe { mem::transmute::<&[usize], _>(&[mem::transmute(&0)]) };
    |                                                                                      ^^^^^^^^^^^^^^^^^^^^ unable to turn pointer into raw bytes
@@ -76,13 +76,13 @@ LL | const REF_AS_USIZE_BOX_SLICE: Box<[usize]> = unsafe { mem::transmute::<&[us
    = help: the absolute address of a pointer is not known at compile-time, so such operations are not supported
 
 note: erroneous constant used
-  --> $DIR/ub-ref-ptr.rs:40:85
+  --> $DIR/ub-ref-ptr.rs:39:85
    |
 LL | const REF_AS_USIZE_BOX_SLICE: Box<[usize]> = unsafe { mem::transmute::<&[usize], _>(&[mem::transmute(&0)]) };
    |                                                                                     ^^^^^^^^^^^^^^^^^^^^^
 
 error[E0080]: it is undefined behavior to use this value
-  --> $DIR/ub-ref-ptr.rs:43:1
+  --> $DIR/ub-ref-ptr.rs:42:1
    |
 LL | const USIZE_AS_REF: &'static u8 = unsafe { mem::transmute(1337usize) };
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ constructing invalid value: encountered a dangling reference (0x539[noalloc] has no provenance)
@@ -93,7 +93,7 @@ LL | const USIZE_AS_REF: &'static u8 = unsafe { mem::transmute(1337usize) };
            }
 
 error[E0080]: it is undefined behavior to use this value
-  --> $DIR/ub-ref-ptr.rs:46:1
+  --> $DIR/ub-ref-ptr.rs:45:1
    |
 LL | const USIZE_AS_BOX: Box<u8> = unsafe { mem::transmute(1337usize) };
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ constructing invalid value: encountered a dangling box (0x539[noalloc] has no provenance)
@@ -104,13 +104,13 @@ LL | const USIZE_AS_BOX: Box<u8> = unsafe { mem::transmute(1337usize) };
            }
 
 error[E0080]: evaluation of constant value failed
-  --> $DIR/ub-ref-ptr.rs:49:41
+  --> $DIR/ub-ref-ptr.rs:48:41
    |
 LL | const UNINIT_PTR: *const i32 = unsafe { MaybeUninit { uninit: () }.init };
    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ using uninitialized data, but this operation requires initialized memory
 
 error[E0080]: it is undefined behavior to use this value
-  --> $DIR/ub-ref-ptr.rs:53:1
+  --> $DIR/ub-ref-ptr.rs:52:1
    |
 LL | const NULL_FN_PTR: fn() = unsafe { mem::transmute(0usize) };
    | ^^^^^^^^^^^^^^^^^^^^^^^ constructing invalid value: encountered null pointer, but expected a function pointer
@@ -121,13 +121,13 @@ LL | const NULL_FN_PTR: fn() = unsafe { mem::transmute(0usize) };
            }
 
 error[E0080]: evaluation of constant value failed
-  --> $DIR/ub-ref-ptr.rs:55:38
+  --> $DIR/ub-ref-ptr.rs:54:38
    |
 LL | const UNINIT_FN_PTR: fn() = unsafe { MaybeUninit { uninit: () }.init };
    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ using uninitialized data, but this operation requires initialized memory
 
 error[E0080]: it is undefined behavior to use this value
-  --> $DIR/ub-ref-ptr.rs:58:1
+  --> $DIR/ub-ref-ptr.rs:57:1
    |
 LL | const DANGLING_FN_PTR: fn() = unsafe { mem::transmute(13usize) };
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ constructing invalid value: encountered 0xd[noalloc], but expected a function pointer
@@ -138,7 +138,7 @@ LL | const DANGLING_FN_PTR: fn() = unsafe { mem::transmute(13usize) };
            }
 
 error[E0080]: it is undefined behavior to use this value
-  --> $DIR/ub-ref-ptr.rs:60:1
+  --> $DIR/ub-ref-ptr.rs:59:1
    |
 LL | const DATA_FN_PTR: fn() = unsafe { mem::transmute(&13) };
    | ^^^^^^^^^^^^^^^^^^^^^^^ constructing invalid value: encountered alloc41, but expected a function pointer
@@ -158,7 +158,7 @@ note: inside `std::ptr::read::<u32>`
 note: inside `ptr::const_ptr::<impl *const u32>::read`
   --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
 note: inside `UNALIGNED_READ`
-  --> $DIR/ub-ref-ptr.rs:67:5
+  --> $DIR/ub-ref-ptr.rs:66:5
    |
 LL |     ptr.read();
    |     ^^^^^^^^^^
diff --git a/tests/ui/consts/const-integer-bool-ops.rs b/tests/ui/consts/const-integer-bool-ops.rs
index 4110ae3e456..35915a7a606 100644
--- a/tests/ui/consts/const-integer-bool-ops.rs
+++ b/tests/ui/consts/const-integer-bool-ops.rs
@@ -6,7 +6,6 @@ const X: usize = 42 && 39;
 //~| ERROR mismatched types
 //~| expected `usize`, found `bool`
 const ARR: [i32; X] = [99; 34];
-//~^ constant
 
 const X1: usize = 42 || 39;
 //~^ ERROR mismatched types
@@ -16,7 +15,6 @@ const X1: usize = 42 || 39;
 //~| ERROR mismatched types
 //~| expected `usize`, found `bool`
 const ARR1: [i32; X1] = [99; 47];
-//~^ constant
 
 const X2: usize = -42 || -39;
 //~^ ERROR mismatched types
@@ -26,7 +24,6 @@ const X2: usize = -42 || -39;
 //~| ERROR mismatched types
 //~| expected `usize`, found `bool`
 const ARR2: [i32; X2] = [99; 18446744073709551607];
-//~^ constant
 
 const X3: usize = -42 && -39;
 //~^ ERROR mismatched types
@@ -36,43 +33,36 @@ const X3: usize = -42 && -39;
 //~| ERROR mismatched types
 //~| expected `usize`, found `bool`
 const ARR3: [i32; X3] = [99; 6];
-//~^ constant
 
 const Y: usize = 42.0 == 42.0;
 //~^ ERROR mismatched types
 //~| expected `usize`, found `bool`
 const ARRR: [i32; Y] = [99; 1];
-//~^ constant
 
 const Y1: usize = 42.0 >= 42.0;
 //~^ ERROR mismatched types
 //~| expected `usize`, found `bool`
 const ARRR1: [i32; Y1] = [99; 1];
-//~^ constant
 
 const Y2: usize = 42.0 <= 42.0;
 //~^ ERROR mismatched types
 //~| expected `usize`, found `bool`
 const ARRR2: [i32; Y2] = [99; 1];
-//~^ constant
 
 const Y3: usize = 42.0 > 42.0;
 //~^ ERROR mismatched types
 //~| expected `usize`, found `bool`
 const ARRR3: [i32; Y3] = [99; 0];
-//~^ constant
 
 const Y4: usize = 42.0 < 42.0;
 //~^ ERROR mismatched types
 //~| expected `usize`, found `bool`
 const ARRR4: [i32; Y4] = [99; 0];
-//~^ constant
 
 const Y5: usize = 42.0 != 42.0;
 //~^ ERROR mismatched types
 //~| expected `usize`, found `bool`
 const ARRR5: [i32; Y5] = [99; 0];
-//~^ constant
 
 fn main() {
     let _ = ARR;
diff --git a/tests/ui/consts/const-integer-bool-ops.stderr b/tests/ui/consts/const-integer-bool-ops.stderr
index b5c3b22fdbe..4e503e5a5c0 100644
--- a/tests/ui/consts/const-integer-bool-ops.stderr
+++ b/tests/ui/consts/const-integer-bool-ops.stderr
@@ -16,156 +16,96 @@ error[E0308]: mismatched types
 LL | const X: usize = 42 && 39;
    |                  ^^^^^^^^ expected `usize`, found `bool`
 
-note: erroneous constant used
-  --> $DIR/const-integer-bool-ops.rs:8:18
-   |
-LL | const ARR: [i32; X] = [99; 34];
-   |                  ^
-
 error[E0308]: mismatched types
-  --> $DIR/const-integer-bool-ops.rs:11:19
+  --> $DIR/const-integer-bool-ops.rs:10:19
    |
 LL | const X1: usize = 42 || 39;
    |                   ^^ expected `bool`, found integer
 
 error[E0308]: mismatched types
-  --> $DIR/const-integer-bool-ops.rs:11:25
+  --> $DIR/const-integer-bool-ops.rs:10:25
    |
 LL | const X1: usize = 42 || 39;
    |                         ^^ expected `bool`, found integer
 
 error[E0308]: mismatched types
-  --> $DIR/const-integer-bool-ops.rs:11:19
+  --> $DIR/const-integer-bool-ops.rs:10:19
    |
 LL | const X1: usize = 42 || 39;
    |                   ^^^^^^^^ expected `usize`, found `bool`
 
-note: erroneous constant used
-  --> $DIR/const-integer-bool-ops.rs:18:19
-   |
-LL | const ARR1: [i32; X1] = [99; 47];
-   |                   ^^
-
 error[E0308]: mismatched types
-  --> $DIR/const-integer-bool-ops.rs:21:19
+  --> $DIR/const-integer-bool-ops.rs:19:19
    |
 LL | const X2: usize = -42 || -39;
    |                   ^^^ expected `bool`, found integer
 
 error[E0308]: mismatched types
-  --> $DIR/const-integer-bool-ops.rs:21:26
+  --> $DIR/const-integer-bool-ops.rs:19:26
    |
 LL | const X2: usize = -42 || -39;
    |                          ^^^ expected `bool`, found integer
 
 error[E0308]: mismatched types
-  --> $DIR/const-integer-bool-ops.rs:21:19
+  --> $DIR/const-integer-bool-ops.rs:19:19
    |
 LL | const X2: usize = -42 || -39;
    |                   ^^^^^^^^^^ expected `usize`, found `bool`
 
-note: erroneous constant used
-  --> $DIR/const-integer-bool-ops.rs:28:19
-   |
-LL | const ARR2: [i32; X2] = [99; 18446744073709551607];
-   |                   ^^
-
 error[E0308]: mismatched types
-  --> $DIR/const-integer-bool-ops.rs:31:19
+  --> $DIR/const-integer-bool-ops.rs:28:19
    |
 LL | const X3: usize = -42 && -39;
    |                   ^^^ expected `bool`, found integer
 
 error[E0308]: mismatched types
-  --> $DIR/const-integer-bool-ops.rs:31:26
+  --> $DIR/const-integer-bool-ops.rs:28:26
    |
 LL | const X3: usize = -42 && -39;
    |                          ^^^ expected `bool`, found integer
 
 error[E0308]: mismatched types
-  --> $DIR/const-integer-bool-ops.rs:31:19
+  --> $DIR/const-integer-bool-ops.rs:28:19
    |
 LL | const X3: usize = -42 && -39;
    |                   ^^^^^^^^^^ expected `usize`, found `bool`
 
-note: erroneous constant used
-  --> $DIR/const-integer-bool-ops.rs:38:19
-   |
-LL | const ARR3: [i32; X3] = [99; 6];
-   |                   ^^
-
 error[E0308]: mismatched types
-  --> $DIR/const-integer-bool-ops.rs:41:18
+  --> $DIR/const-integer-bool-ops.rs:37:18
    |
 LL | const Y: usize = 42.0 == 42.0;
    |                  ^^^^^^^^^^^^ expected `usize`, found `bool`
 
-note: erroneous constant used
-  --> $DIR/const-integer-bool-ops.rs:44:19
-   |
-LL | const ARRR: [i32; Y] = [99; 1];
-   |                   ^
-
 error[E0308]: mismatched types
-  --> $DIR/const-integer-bool-ops.rs:47:19
+  --> $DIR/const-integer-bool-ops.rs:42:19
    |
 LL | const Y1: usize = 42.0 >= 42.0;
    |                   ^^^^^^^^^^^^ expected `usize`, found `bool`
 
-note: erroneous constant used
-  --> $DIR/const-integer-bool-ops.rs:50:20
-   |
-LL | const ARRR1: [i32; Y1] = [99; 1];
-   |                    ^^
-
 error[E0308]: mismatched types
-  --> $DIR/const-integer-bool-ops.rs:53:19
+  --> $DIR/const-integer-bool-ops.rs:47:19
    |
 LL | const Y2: usize = 42.0 <= 42.0;
    |                   ^^^^^^^^^^^^ expected `usize`, found `bool`
 
-note: erroneous constant used
-  --> $DIR/const-integer-bool-ops.rs:56:20
-   |
-LL | const ARRR2: [i32; Y2] = [99; 1];
-   |                    ^^
-
 error[E0308]: mismatched types
-  --> $DIR/const-integer-bool-ops.rs:59:19
+  --> $DIR/const-integer-bool-ops.rs:52:19
    |
 LL | const Y3: usize = 42.0 > 42.0;
    |                   ^^^^^^^^^^^ expected `usize`, found `bool`
 
-note: erroneous constant used
-  --> $DIR/const-integer-bool-ops.rs:62:20
-   |
-LL | const ARRR3: [i32; Y3] = [99; 0];
-   |                    ^^
-
 error[E0308]: mismatched types
-  --> $DIR/const-integer-bool-ops.rs:65:19
+  --> $DIR/const-integer-bool-ops.rs:57:19
    |
 LL | const Y4: usize = 42.0 < 42.0;
    |                   ^^^^^^^^^^^ expected `usize`, found `bool`
 
-note: erroneous constant used
-  --> $DIR/const-integer-bool-ops.rs:68:20
-   |
-LL | const ARRR4: [i32; Y4] = [99; 0];
-   |                    ^^
-
 error[E0308]: mismatched types
-  --> $DIR/const-integer-bool-ops.rs:71:19
+  --> $DIR/const-integer-bool-ops.rs:62:19
    |
 LL | const Y5: usize = 42.0 != 42.0;
    |                   ^^^^^^^^^^^^ expected `usize`, found `bool`
 
-note: erroneous constant used
-  --> $DIR/const-integer-bool-ops.rs:74:20
-   |
-LL | const ARRR5: [i32; Y5] = [99; 0];
-   |                    ^^
-
 error: aborting due to 18 previous errors
 
 For more information about this error, try `rustc --explain E0308`.
diff --git a/tests/ui/consts/const-mut-refs/issue-76510.32bit.stderr b/tests/ui/consts/const-mut-refs/issue-76510.32bit.stderr
index 109d15a8e4d..61b00be345f 100644
--- a/tests/ui/consts/const-mut-refs/issue-76510.32bit.stderr
+++ b/tests/ui/consts/const-mut-refs/issue-76510.32bit.stderr
@@ -19,12 +19,6 @@ error[E0596]: cannot borrow data in a `&` reference as mutable
 LL | const S: &'static mut str = &mut " hello ";
    |                             ^^^^^^^^^^^^^^ cannot borrow as mutable
 
-note: erroneous constant used
-  --> $DIR/issue-76510.rs:11:70
-   |
-LL |         let s = transmute::<(*const u8, usize), &ManuallyDrop<str>>((S.as_ptr(), 3));
-   |                                                                      ^
-
 error: aborting due to 3 previous errors
 
 Some errors have detailed explanations: E0596, E0658, E0764.
diff --git a/tests/ui/consts/const-mut-refs/issue-76510.64bit.stderr b/tests/ui/consts/const-mut-refs/issue-76510.64bit.stderr
index 109d15a8e4d..61b00be345f 100644
--- a/tests/ui/consts/const-mut-refs/issue-76510.64bit.stderr
+++ b/tests/ui/consts/const-mut-refs/issue-76510.64bit.stderr
@@ -19,12 +19,6 @@ error[E0596]: cannot borrow data in a `&` reference as mutable
 LL | const S: &'static mut str = &mut " hello ";
    |                             ^^^^^^^^^^^^^^ cannot borrow as mutable
 
-note: erroneous constant used
-  --> $DIR/issue-76510.rs:11:70
-   |
-LL |         let s = transmute::<(*const u8, usize), &ManuallyDrop<str>>((S.as_ptr(), 3));
-   |                                                                      ^
-
 error: aborting due to 3 previous errors
 
 Some errors have detailed explanations: E0596, E0658, E0764.
diff --git a/tests/ui/consts/const-mut-refs/issue-76510.rs b/tests/ui/consts/const-mut-refs/issue-76510.rs
index b853e2737f1..143d2fb6b9a 100644
--- a/tests/ui/consts/const-mut-refs/issue-76510.rs
+++ b/tests/ui/consts/const-mut-refs/issue-76510.rs
@@ -9,7 +9,6 @@ const S: &'static mut str = &mut " hello ";
 
 const fn trigger() -> [(); unsafe {
         let s = transmute::<(*const u8, usize), &ManuallyDrop<str>>((S.as_ptr(), 3));
-        //~^ constant
         0
     }] {
     [(); 0]
diff --git a/tests/ui/consts/const-tup-index-span.rs b/tests/ui/consts/const-tup-index-span.rs
index 18f4f59d378..e77d392e694 100644
--- a/tests/ui/consts/const-tup-index-span.rs
+++ b/tests/ui/consts/const-tup-index-span.rs
@@ -4,7 +4,6 @@ const TUP: (usize,) = 5usize << 64;
 //~^ ERROR mismatched types
 //~| expected `(usize,)`, found `usize`
 const ARR: [i32; TUP.0] = [];
-//~^ constant
 
 fn main() {
 }
diff --git a/tests/ui/consts/const-tup-index-span.stderr b/tests/ui/consts/const-tup-index-span.stderr
index 65f0520f8a4..d5df0df9525 100644
--- a/tests/ui/consts/const-tup-index-span.stderr
+++ b/tests/ui/consts/const-tup-index-span.stderr
@@ -11,12 +11,6 @@ help: use a trailing comma to create a tuple with one element
 LL | const TUP: (usize,) = (5usize << 64,);
    |                       +            ++
 
-note: erroneous constant used
-  --> $DIR/const-tup-index-span.rs:6:18
-   |
-LL | const ARR: [i32; TUP.0] = [];
-   |                  ^^^
-
 error: aborting due to previous error
 
 For more information about this error, try `rustc --explain E0308`.
diff --git a/tests/ui/consts/const_forget.rs b/tests/ui/consts/const_forget.rs
index ec7dde8c9ec..acdd6a54cf4 100644
--- a/tests/ui/consts/const_forget.rs
+++ b/tests/ui/consts/const_forget.rs
@@ -1,5 +1,7 @@
 // check-pass
 
+#![allow(forget_copy)]
+
 use std::mem::forget;
 
 const _: () = forget(0i32);
diff --git a/tests/ui/consts/extra-const-ub/detect-extra-ub.rs b/tests/ui/consts/extra-const-ub/detect-extra-ub.rs
index e2f8149883b..6a3c93ce7a6 100644
--- a/tests/ui/consts/extra-const-ub/detect-extra-ub.rs
+++ b/tests/ui/consts/extra-const-ub/detect-extra-ub.rs
@@ -1,7 +1,6 @@
 // revisions: no_flag with_flag
 // [no_flag] check-pass
 // [with_flag] compile-flags: -Zextra-const-ub-checks
-#![feature(const_ptr_read)]
 
 use std::mem::transmute;
 
diff --git a/tests/ui/consts/extra-const-ub/detect-extra-ub.with_flag.stderr b/tests/ui/consts/extra-const-ub/detect-extra-ub.with_flag.stderr
index b2a5fd90149..3970baefcb3 100644
--- a/tests/ui/consts/extra-const-ub/detect-extra-ub.with_flag.stderr
+++ b/tests/ui/consts/extra-const-ub/detect-extra-ub.with_flag.stderr
@@ -1,11 +1,11 @@
 error[E0080]: evaluation of constant value failed
-  --> $DIR/detect-extra-ub.rs:9:20
+  --> $DIR/detect-extra-ub.rs:8:20
    |
 LL |     let _x: bool = transmute(3u8);
    |                    ^^^^^^^^^^^^^^ constructing invalid value: encountered 0x03, but expected a boolean
 
 error[E0080]: evaluation of constant value failed
-  --> $DIR/detect-extra-ub.rs:15:21
+  --> $DIR/detect-extra-ub.rs:14:21
    |
 LL |     let _x: usize = transmute(&3u8);
    |                     ^^^^^^^^^^^^^^^ unable to turn pointer into raw bytes
@@ -14,7 +14,7 @@ LL |     let _x: usize = transmute(&3u8);
    = help: the absolute address of a pointer is not known at compile-time, so such operations are not supported
 
 error[E0080]: evaluation of constant value failed
-  --> $DIR/detect-extra-ub.rs:21:30
+  --> $DIR/detect-extra-ub.rs:20:30
    |
 LL |     let _x: (usize, usize) = transmute(x);
    |                              ^^^^^^^^^^^^ unable to turn pointer into raw bytes
@@ -23,7 +23,7 @@ LL |     let _x: (usize, usize) = transmute(x);
    = help: the absolute address of a pointer is not known at compile-time, so such operations are not supported
 
 error[E0080]: evaluation of constant value failed
-  --> $DIR/detect-extra-ub.rs:26:20
+  --> $DIR/detect-extra-ub.rs:25:20
    |
 LL |     let _x: &u32 = transmute(&[0u8; 4]);
    |                    ^^^^^^^^^^^^^^^^^^^^ constructing invalid value: encountered an unaligned reference (required 4 byte alignment but found 1)
diff --git a/tests/ui/consts/issue-104155.rs b/tests/ui/consts/issue-104155.rs
index 1cc8f81b0d2..b3821f467b6 100644
--- a/tests/ui/consts/issue-104155.rs
+++ b/tests/ui/consts/issue-104155.rs
@@ -1,4 +1,7 @@
 // check-pass
+
+#![allow(forget_copy)]
+
 const _: () = core::mem::forget(Box::<u32>::default);
 const _: () = core::mem::forget(|| Box::<u32>::default());
 
diff --git a/tests/ui/consts/issue-50439.rs b/tests/ui/consts/issue-50439.rs
index 0be7c405473..d42347e136e 100644
--- a/tests/ui/consts/issue-50439.rs
+++ b/tests/ui/consts/issue-50439.rs
@@ -22,7 +22,9 @@ impl<T: Sized> PinDropInternal for Bears<T> {
     where
         Self: ReflectDrop,
     {
-        let _ = [(); 0 - !!(<Bears<T> as ReflectDrop>::REFLECT_DROP) as usize]; //~ ERROR constant expression depends on a generic parameter
+        let _ = [(); 0 - !!(<Bears<T> as ReflectDrop>::REFLECT_DROP) as usize];
+        //~^ ERROR constant expression depends on a generic parameter
+        //~| ERROR constant expression depends on a generic parameter
     }
 }
 
diff --git a/tests/ui/consts/issue-50439.stderr b/tests/ui/consts/issue-50439.stderr
index 3fbdf33b2d8..7a8cd45ecc7 100644
--- a/tests/ui/consts/issue-50439.stderr
+++ b/tests/ui/consts/issue-50439.stderr
@@ -6,5 +6,13 @@ LL |         let _ = [(); 0 - !!(<Bears<T> as ReflectDrop>::REFLECT_DROP) as usi
    |
    = note: this may fail depending on what value the parameter takes
 
-error: aborting due to previous error
+error: constant expression depends on a generic parameter
+  --> $DIR/issue-50439.rs:25:17
+   |
+LL |         let _ = [(); 0 - !!(<Bears<T> as ReflectDrop>::REFLECT_DROP) as usize];
+   |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+   = note: this may fail depending on what value the parameter takes
+
+error: aborting due to 2 previous errors
 
diff --git a/tests/ui/consts/issue-54954.rs b/tests/ui/consts/issue-54954.rs
index 520bf508ff3..7bcfa057019 100644
--- a/tests/ui/consts/issue-54954.rs
+++ b/tests/ui/consts/issue-54954.rs
@@ -9,8 +9,6 @@ trait Tt {
 }
 
 fn f(z: [f32; ARR_LEN]) -> [f32; ARR_LEN] {
-  //~^ constant
-  //~| constant
     z
 }
 
diff --git a/tests/ui/consts/issue-54954.stderr b/tests/ui/consts/issue-54954.stderr
index 85055828737..b0701bab793 100644
--- a/tests/ui/consts/issue-54954.stderr
+++ b/tests/ui/consts/issue-54954.stderr
@@ -16,18 +16,6 @@ LL | |         core::mem::size_of::<T>()
 LL | |     }
    | |_____- `Tt::const_val` defined here
 
-note: erroneous constant used
-  --> $DIR/issue-54954.rs:11:15
-   |
-LL | fn f(z: [f32; ARR_LEN]) -> [f32; ARR_LEN] {
-   |               ^^^^^^^
-
-note: erroneous constant used
-  --> $DIR/issue-54954.rs:11:34
-   |
-LL | fn f(z: [f32; ARR_LEN]) -> [f32; ARR_LEN] {
-   |                                  ^^^^^^^
-
 error: aborting due to 2 previous errors
 
 Some errors have detailed explanations: E0379, E0790.
diff --git a/tests/ui/consts/issue-56164.stderr b/tests/ui/consts/issue-56164.stderr
index 003f8474463..e46c649faf0 100644
--- a/tests/ui/consts/issue-56164.stderr
+++ b/tests/ui/consts/issue-56164.stderr
@@ -28,18 +28,6 @@ error: function pointer calls are not allowed in constant functions
 LL |     input()
    |     ^^^^^^^
 
-note: erroneous constant used
-  --> $DIR/issue-56164.rs:1:18
-   |
-LL | const fn foo() { (||{})() }
-   |                  ^^^^^^
-
-note: erroneous constant used
-  --> $DIR/issue-56164.rs:1:18
-   |
-LL | const fn foo() { (||{})() }
-   |                  ^^^^^^
-
 error: aborting due to 3 previous errors
 
 Some errors have detailed explanations: E0015, E0277.
diff --git a/tests/ui/consts/issue-66693.stderr b/tests/ui/consts/issue-66693.stderr
index e9a3fced61c..f4898fd9732 100644
--- a/tests/ui/consts/issue-66693.stderr
+++ b/tests/ui/consts/issue-66693.stderr
@@ -22,17 +22,5 @@ LL |     panic!(&1);
    |
    = note: this error originates in the macro `$crate::panic::panic_2015` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info)
 
-note: erroneous constant used
-  --> $DIR/issue-66693.rs:11:12
-   |
-LL |     panic!(&1);
-   |            ^^
-
-note: erroneous constant used
-  --> $DIR/issue-66693.rs:11:12
-   |
-LL |     panic!(&1);
-   |            ^^
-
 error: aborting due to 3 previous errors
 
diff --git a/tests/ui/consts/issue-miri-1910.rs b/tests/ui/consts/issue-miri-1910.rs
index 29e0ea95026..3798332dfd7 100644
--- a/tests/ui/consts/issue-miri-1910.rs
+++ b/tests/ui/consts/issue-miri-1910.rs
@@ -1,6 +1,5 @@
 // error-pattern unable to turn pointer into raw bytes
 // normalize-stderr-test: "alloc[0-9]+\+0x[a-z0-9]+" -> "ALLOC"
-#![feature(const_ptr_read)]
 
 const C: () = unsafe {
     let foo = Some(&42 as *const i32);
diff --git a/tests/ui/consts/issue-miri-1910.stderr b/tests/ui/consts/issue-miri-1910.stderr
index a10eea9de11..fb758d406b5 100644
--- a/tests/ui/consts/issue-miri-1910.stderr
+++ b/tests/ui/consts/issue-miri-1910.stderr
@@ -10,7 +10,7 @@ note: inside `std::ptr::read::<u8>`
 note: inside `ptr::const_ptr::<impl *const u8>::read`
   --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
 note: inside `C`
-  --> $DIR/issue-miri-1910.rs:8:5
+  --> $DIR/issue-miri-1910.rs:7:5
    |
 LL |     (&foo as *const _ as *const u8).add(one_and_a_half_pointers).read();
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
diff --git a/tests/ui/crate-leading-sep.rs b/tests/ui/crate-leading-sep.rs
index ca5905fab41..8d1d0b4fcdf 100644
--- a/tests/ui/crate-leading-sep.rs
+++ b/tests/ui/crate-leading-sep.rs
@@ -1,6 +1,8 @@
 // run-pass
 // pretty-expanded FIXME #23616
 
+#![allow(drop_copy)]
+
 fn main() {
     use ::std::mem;
     mem::drop(2_usize);
diff --git a/tests/ui/custom_test_frameworks/mismatch.stderr b/tests/ui/custom_test_frameworks/mismatch.stderr
index 61061ae529d..31b18b2df98 100644
--- a/tests/ui/custom_test_frameworks/mismatch.stderr
+++ b/tests/ui/custom_test_frameworks/mismatch.stderr
@@ -6,7 +6,7 @@ LL | #[test]
 LL | fn wrong_kind(){}
    | ^^^^^^^^^^^^^^^^^ the trait `Testable` is not implemented for `TestDescAndFn`
    |
-   = note: required for the cast from `TestDescAndFn` to the object type `dyn Testable`
+   = note: required for the cast from `&TestDescAndFn` to `&dyn Testable`
    = note: this error originates in the attribute macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
 
 error: aborting due to previous error
diff --git a/tests/ui/issues/issue-12511.rs b/tests/ui/cycle-trait/issue-12511.rs
index ea83e3fd9dc..ea83e3fd9dc 100644
--- a/tests/ui/issues/issue-12511.rs
+++ b/tests/ui/cycle-trait/issue-12511.rs
diff --git a/tests/ui/issues/issue-12511.stderr b/tests/ui/cycle-trait/issue-12511.stderr
index 558aad10946..558aad10946 100644
--- a/tests/ui/issues/issue-12511.stderr
+++ b/tests/ui/cycle-trait/issue-12511.stderr
diff --git a/tests/ui/deployment-target/invalid-target.rs b/tests/ui/deployment-target/invalid-target.rs
new file mode 100644
index 00000000000..336624320a3
--- /dev/null
+++ b/tests/ui/deployment-target/invalid-target.rs
@@ -0,0 +1,4 @@
+// compile-flags: --target x86_64-unknown-linux-gnu --print deployment-target
+// needs-llvm-components: x86
+
+fn main() {}
diff --git a/tests/ui/deployment-target/invalid-target.stderr b/tests/ui/deployment-target/invalid-target.stderr
new file mode 100644
index 00000000000..eb4ac131c40
--- /dev/null
+++ b/tests/ui/deployment-target/invalid-target.stderr
@@ -0,0 +1,2 @@
+error: only Apple targets currently support deployment version info
+
diff --git a/tests/ui/deployment-target/macos-target.rs b/tests/ui/deployment-target/macos-target.rs
new file mode 100644
index 00000000000..701ccf4799a
--- /dev/null
+++ b/tests/ui/deployment-target/macos-target.rs
@@ -0,0 +1,7 @@
+// only-macos
+// compile-flags: --print deployment-target
+// normalize-stdout-test: "\d+\." -> "$$CURRENT_MAJOR_VERSION."
+// normalize-stdout-test: "\d+" -> "$$CURRENT_MINOR_VERSION"
+// check-pass
+
+fn main() {}
diff --git a/tests/ui/deployment-target/macos-target.stdout b/tests/ui/deployment-target/macos-target.stdout
new file mode 100644
index 00000000000..f55ef568ed6
--- /dev/null
+++ b/tests/ui/deployment-target/macos-target.stdout
@@ -0,0 +1 @@
+deployment_target=$CURRENT_MAJOR_VERSION.$CURRENT_MINOR_VERSION
diff --git a/tests/ui/issues/issue-15689-1.rs b/tests/ui/deriving/issue-15689-1.rs
index d143926b281..d143926b281 100644
--- a/tests/ui/issues/issue-15689-1.rs
+++ b/tests/ui/deriving/issue-15689-1.rs
diff --git a/tests/ui/issues/issue-15689-2.rs b/tests/ui/deriving/issue-15689-2.rs
index 83dcb1406f8..83dcb1406f8 100644
--- a/tests/ui/issues/issue-15689-2.rs
+++ b/tests/ui/deriving/issue-15689-2.rs
diff --git a/tests/ui/diagnostic-width/E0271.stderr b/tests/ui/diagnostic-width/E0271.stderr
index ed7b6651d01..52f415037d3 100644
--- a/tests/ui/diagnostic-width/E0271.stderr
+++ b/tests/ui/diagnostic-width/E0271.stderr
@@ -15,8 +15,8 @@ note: expected this to be `Foo`
    |
 LL |     type Error = E;
    |                  ^
-   = note: required for the cast from `Result<Result<..., ...>, ...>` to the object type `dyn Future<Error = Foo>`
-   = note: the full name for the casted type has been written to '$TEST_BUILD_DIR/diagnostic-width/E0271/E0271.long-type-hash.txt'
+   = note: required for the cast from `Box<Result<..., ...>>` to `Box<(dyn Future<Error = Foo> + 'static)>`
+   = note: the full name for the source type has been written to '$TEST_BUILD_DIR/diagnostic-width/E0271/E0271.long-type-hash.txt'
 
 error: aborting due to previous error
 
diff --git a/tests/ui/did_you_mean/issue-38147-4.stderr b/tests/ui/did_you_mean/issue-38147-4.stderr
index d3339989361..43647fa562b 100644
--- a/tests/ui/did_you_mean/issue-38147-4.stderr
+++ b/tests/ui/did_you_mean/issue-38147-4.stderr
@@ -6,8 +6,8 @@ LL |     f.s.push('x');
    |
 help: consider changing this to be a mutable reference
    |
-LL | fn f(x: usize, f: &mut Foo<'_>) {
-   |                   ~~~~~~~~~~~~
+LL | fn f(x: usize, f: &mut Foo) {
+   |                    +++
 
 error: aborting due to previous error
 
diff --git a/tests/ui/did_you_mean/issue-39544.stderr b/tests/ui/did_you_mean/issue-39544.stderr
index 8dc0512a945..8ccb4cbb0c1 100644
--- a/tests/ui/did_you_mean/issue-39544.stderr
+++ b/tests/ui/did_you_mean/issue-39544.stderr
@@ -40,7 +40,7 @@ LL |         let _ = &mut other.x;
 help: consider changing this to be a mutable reference
    |
 LL |     fn foo1(&self, other: &mut Z) {
-   |                           ~~~~~~
+   |                            +++
 
 error[E0596]: cannot borrow `self.x` as mutable, as it is behind a `&` reference
   --> $DIR/issue-39544.rs:25:17
@@ -62,7 +62,7 @@ LL |         let _ = &mut other.x;
 help: consider changing this to be a mutable reference
    |
 LL |     fn foo2<'a>(&'a self, other: &mut Z) {
-   |                                  ~~~~~~
+   |                                   +++
 
 error[E0596]: cannot borrow `self.x` as mutable, as it is behind a `&` reference
   --> $DIR/issue-39544.rs:30:17
@@ -73,7 +73,7 @@ LL |         let _ = &mut self.x;
 help: consider changing this to be a mutable reference
    |
 LL |     fn foo3<'a>(self: &'a mut Self, other: &Z) {
-   |                       ~~~~~~~~~~~~
+   |                           +++
 
 error[E0596]: cannot borrow `other.x` as mutable, as it is behind a `&` reference
   --> $DIR/issue-39544.rs:31:17
@@ -84,7 +84,7 @@ LL |         let _ = &mut other.x;
 help: consider changing this to be a mutable reference
    |
 LL |     fn foo3<'a>(self: &'a Self, other: &mut Z) {
-   |                                        ~~~~~~
+   |                                         +++
 
 error[E0596]: cannot borrow `other.x` as mutable, as it is behind a `&` reference
   --> $DIR/issue-39544.rs:35:17
@@ -95,7 +95,7 @@ LL |         let _ = &mut other.x;
 help: consider changing this to be a mutable reference
    |
 LL |     fn foo4(other: &mut Z) {
-   |                    ~~~~~~
+   |                     +++
 
 error[E0596]: cannot borrow `z.x` as mutable, as `z` is not declared as mutable
   --> $DIR/issue-39544.rs:41:13
@@ -117,7 +117,7 @@ LL |     let _ = &mut w.x;
 help: consider changing this to be a mutable reference
    |
 LL | pub fn with_arg(z: Z, w: &mut Z) {
-   |                          ~~~~~~
+   |                           +++
 
 error[E0594]: cannot assign to `*x.0`, which is behind a `&` reference
   --> $DIR/issue-39544.rs:48:5
diff --git a/tests/ui/did_you_mean/issue-40823.stderr b/tests/ui/did_you_mean/issue-40823.stderr
index aadd698891e..ba94a570256 100644
--- a/tests/ui/did_you_mean/issue-40823.stderr
+++ b/tests/ui/did_you_mean/issue-40823.stderr
@@ -7,7 +7,7 @@ LL |     buf.iter_mut();
 help: consider changing this to be a mutable reference
    |
 LL |     let mut buf = &mut [1, 2, 3, 4];
-   |                   ~~~~~~~~~~~~~~~~~
+   |                    +++
 
 error: aborting due to previous error
 
diff --git a/tests/ui/did_you_mean/issue-48492-tuple-destructure-missing-parens.stderr b/tests/ui/did_you_mean/issue-48492-tuple-destructure-missing-parens.stderr
index a3c607b5903..6d92fa5e14e 100644
--- a/tests/ui/did_you_mean/issue-48492-tuple-destructure-missing-parens.stderr
+++ b/tests/ui/did_you_mean/issue-48492-tuple-destructure-missing-parens.stderr
@@ -65,6 +65,7 @@ error: unexpected `,` in pattern
 LL |     let women, men: (Vec<Genome>, Vec<Genome>) = genomes.iter().cloned()
    |              ^
    |
+   = note: type ascription syntax has been removed, see issue #101728 <https://github.com/rust-lang/rust/issues/101728>
 help: try adding parentheses to match on a tuple
    |
 LL |     let (women, men): (Vec<Genome>, Vec<Genome>) = genomes.iter().cloned()
diff --git a/tests/ui/drop/dropck-eyepatch-manuallydrop.rs b/tests/ui/drop/dropck-eyepatch-manuallydrop.rs
new file mode 100644
index 00000000000..ff100cd941f
--- /dev/null
+++ b/tests/ui/drop/dropck-eyepatch-manuallydrop.rs
@@ -0,0 +1,22 @@
+// check-pass
+//! This test checks that dropck knows that ManuallyDrop does not drop its field.
+#![feature(dropck_eyepatch)]
+
+use std::mem::ManuallyDrop;
+
+struct S<T>(ManuallyDrop<T>);
+
+unsafe impl<#[may_dangle] T> Drop for S<T> {
+    fn drop(&mut self) {}
+}
+
+struct NonTrivialDrop<'a>(&'a str);
+impl<'a> Drop for NonTrivialDrop<'a> {
+    fn drop(&mut self) {}
+}
+
+fn main() {
+    let s = String::from("string");
+    let _t = S(ManuallyDrop::new(NonTrivialDrop(&s)));
+    drop(s);
+}
diff --git a/tests/ui/drop/issue-110682.rs b/tests/ui/drop/issue-110682.rs
new file mode 100644
index 00000000000..35f9c7e8d9b
--- /dev/null
+++ b/tests/ui/drop/issue-110682.rs
@@ -0,0 +1,92 @@
+// build-pass
+// compile-flags: -Zmir-opt-level=3
+
+use std::fmt::Debug;
+use std::mem::ManuallyDrop;
+use std::ptr;
+
+pub trait BitRegister {}
+
+macro_rules! register {
+    ($($t:ty),+ $(,)?) => { $(
+        impl BitRegister for $t {
+        }
+    )* };
+}
+
+register!(u8, u16, u32);
+
+pub trait BitStore: Sized + Debug {
+    /// The register type that the implementor describes.
+    type Mem: BitRegister + Into<Self>;
+}
+
+macro_rules! store {
+    ($($t:ty),+ $(,)?) => { $(
+        impl BitStore for $t {
+            type Mem = Self;
+        }
+    )+ };
+}
+
+store!(u8, u16, u32,);
+
+#[repr(C)]
+pub struct BitVec<T>
+where
+    T: BitStore,
+{
+    /// Region pointer describing the live portion of the owned buffer.
+    pointer: ptr::NonNull<T>,
+    /// Allocated capacity, in elements `T`, of the owned buffer.
+    capacity: usize,
+}
+
+impl<T> BitVec<T>
+where
+    T: BitStore,
+{
+    pub fn new() -> Self {
+        let pointer = ptr::NonNull::<T>::new(ptr::null_mut()).unwrap();
+
+        BitVec { pointer, capacity: 10 }
+    }
+
+    pub fn clear(&mut self) {
+        unsafe {
+            self.set_len(0);
+        }
+    }
+
+    #[inline]
+    pub unsafe fn set_len(&mut self, new_len: usize) {}
+
+    fn with_vec<F, R>(&mut self, func: F) -> R
+    where
+        F: FnOnce(&mut ManuallyDrop<Vec<T::Mem>>) -> R,
+    {
+        let cap = self.capacity;
+        let elts = 10;
+        let mut vec = ManuallyDrop::new(unsafe { Vec::from_raw_parts(ptr::null_mut(), elts, cap) });
+        let out = func(&mut vec);
+
+        out
+    }
+}
+
+impl<T> Drop for BitVec<T>
+where
+    T: BitStore,
+{
+    #[inline]
+    fn drop(&mut self) {
+        //  The buffer elements do not have destructors.
+        self.clear();
+        //  Run the `Vec` destructor to deällocate the buffer.
+        self.with_vec(|vec| unsafe { ManuallyDrop::drop(vec) });
+    }
+}
+
+fn main() {
+    let bitvec = BitVec::<u32>::new();
+}
diff --git a/tests/ui/issues/issue-979.rs b/tests/ui/drop/issue-979.rs
index 57a99b325ad..57a99b325ad 100644
--- a/tests/ui/issues/issue-979.rs
+++ b/tests/ui/drop/issue-979.rs
diff --git a/tests/ui/drop/repeat-drop.rs b/tests/ui/drop/repeat-drop.rs
index 8fd46ecaf44..659d35db657 100644
--- a/tests/ui/drop/repeat-drop.rs
+++ b/tests/ui/drop/repeat-drop.rs
@@ -1,6 +1,8 @@
 // run-pass
 // needs-unwind
 
+#![allow(drop_ref, drop_copy)]
+
 static mut CHECK: usize = 0;
 
 struct DropChecker(usize);
diff --git a/tests/ui/dropck/explicit-drop-bounds.bad1.stderr b/tests/ui/dropck/explicit-drop-bounds.bad1.stderr
new file mode 100644
index 00000000000..3b506c7e7ec
--- /dev/null
+++ b/tests/ui/dropck/explicit-drop-bounds.bad1.stderr
@@ -0,0 +1,35 @@
+error[E0277]: the trait bound `T: Copy` is not satisfied
+  --> $DIR/explicit-drop-bounds.rs:27:18
+   |
+LL | impl<T> Drop for DropMe<T>
+   |                  ^^^^^^^^^ the trait `Copy` is not implemented for `T`
+   |
+note: required by a bound in `DropMe`
+  --> $DIR/explicit-drop-bounds.rs:7:18
+   |
+LL | struct DropMe<T: Copy>(T);
+   |                  ^^^^ required by this bound in `DropMe`
+help: consider further restricting type parameter `T`
+   |
+LL |     [T; 1]: Copy, T: std::marker::Copy // But `[T; 1]: Copy` does not imply `T: Copy`
+   |                 ~~~~~~~~~~~~~~~~~~~~~~
+
+error[E0277]: the trait bound `T: Copy` is not satisfied
+  --> $DIR/explicit-drop-bounds.rs:32:13
+   |
+LL |     fn drop(&mut self) {}
+   |             ^^^^^^^^^ the trait `Copy` is not implemented for `T`
+   |
+note: required by a bound in `DropMe`
+  --> $DIR/explicit-drop-bounds.rs:7:18
+   |
+LL | struct DropMe<T: Copy>(T);
+   |                  ^^^^ required by this bound in `DropMe`
+help: consider further restricting type parameter `T`
+   |
+LL |     [T; 1]: Copy, T: std::marker::Copy // But `[T; 1]: Copy` does not imply `T: Copy`
+   |                 ~~~~~~~~~~~~~~~~~~~~~~
+
+error: aborting due to 2 previous errors
+
+For more information about this error, try `rustc --explain E0277`.
diff --git a/tests/ui/dropck/explicit-drop-bounds.bad2.stderr b/tests/ui/dropck/explicit-drop-bounds.bad2.stderr
new file mode 100644
index 00000000000..832af3e521a
--- /dev/null
+++ b/tests/ui/dropck/explicit-drop-bounds.bad2.stderr
@@ -0,0 +1,35 @@
+error[E0277]: the trait bound `T: Copy` is not satisfied
+  --> $DIR/explicit-drop-bounds.rs:37:18
+   |
+LL | impl<T> Drop for DropMe<T>
+   |                  ^^^^^^^^^ the trait `Copy` is not implemented for `T`
+   |
+note: required by a bound in `DropMe`
+  --> $DIR/explicit-drop-bounds.rs:7:18
+   |
+LL | struct DropMe<T: Copy>(T);
+   |                  ^^^^ required by this bound in `DropMe`
+help: consider restricting type parameter `T`
+   |
+LL | impl<T: std::marker::Copy> Drop for DropMe<T>
+   |       +++++++++++++++++++
+
+error[E0277]: the trait bound `T: Copy` is not satisfied
+  --> $DIR/explicit-drop-bounds.rs:40:13
+   |
+LL |     fn drop(&mut self) {}
+   |             ^^^^^^^^^ the trait `Copy` is not implemented for `T`
+   |
+note: required by a bound in `DropMe`
+  --> $DIR/explicit-drop-bounds.rs:7:18
+   |
+LL | struct DropMe<T: Copy>(T);
+   |                  ^^^^ required by this bound in `DropMe`
+help: consider restricting type parameter `T`
+   |
+LL | impl<T: std::marker::Copy> Drop for DropMe<T>
+   |       +++++++++++++++++++
+
+error: aborting due to 2 previous errors
+
+For more information about this error, try `rustc --explain E0277`.
diff --git a/tests/ui/dropck/explicit-drop-bounds.rs b/tests/ui/dropck/explicit-drop-bounds.rs
new file mode 100644
index 00000000000..ab6f33c0999
--- /dev/null
+++ b/tests/ui/dropck/explicit-drop-bounds.rs
@@ -0,0 +1,44 @@
+// revisions: good1 good2 bad1 bad2
+//[good1] check-pass
+//[good2] check-pass
+
+use std::ops::Drop;
+
+struct DropMe<T: Copy>(T);
+
+#[cfg(good1)]
+impl<T> Drop for DropMe<T>
+where
+    T: Copy + Clone,
+{
+    fn drop(&mut self) {}
+}
+
+#[cfg(good2)]
+impl<T> Drop for DropMe<T>
+where
+    T: Copy,
+    [T; 1]: Copy, // Trivial bound implied by `T: Copy`
+{
+    fn drop(&mut self) {}
+}
+
+#[cfg(bad1)]
+impl<T> Drop for DropMe<T>
+//[bad1]~^ ERROR the trait bound `T: Copy` is not satisfied
+where
+    [T; 1]: Copy, // But `[T; 1]: Copy` does not imply `T: Copy`
+{
+    fn drop(&mut self) {}
+    //[bad1]~^ ERROR the trait bound `T: Copy` is not satisfied
+}
+
+#[cfg(bad2)]
+impl<T> Drop for DropMe<T>
+//[bad2]~^ ERROR the trait bound `T: Copy` is not satisfied
+{
+    fn drop(&mut self) {}
+    //[bad2]~^ ERROR the trait bound `T: Copy` is not satisfied
+}
+
+fn main() {}
diff --git a/tests/ui/dropck/explicit-implied-outlives.bad1.stderr b/tests/ui/dropck/explicit-implied-outlives.bad1.stderr
new file mode 100644
index 00000000000..bf6d70e7d37
--- /dev/null
+++ b/tests/ui/dropck/explicit-implied-outlives.bad1.stderr
@@ -0,0 +1,15 @@
+error[E0367]: `Drop` impl requires `T: 'static` but the struct it is implemented for does not
+  --> $DIR/explicit-implied-outlives.rs:28:8
+   |
+LL |     T: 'static,
+   |        ^^^^^^^
+   |
+note: the implementor must specify the same requirement
+  --> $DIR/explicit-implied-outlives.rs:7:1
+   |
+LL | struct DropMe<'a, T>(&'a T);
+   | ^^^^^^^^^^^^^^^^^^^^
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0367`.
diff --git a/tests/ui/dropck/explicit-implied-outlives.bad2.stderr b/tests/ui/dropck/explicit-implied-outlives.bad2.stderr
new file mode 100644
index 00000000000..27a15170bdd
--- /dev/null
+++ b/tests/ui/dropck/explicit-implied-outlives.bad2.stderr
@@ -0,0 +1,15 @@
+error[E0367]: `Drop` impl requires `'a: 'static` but the struct it is implemented for does not
+  --> $DIR/explicit-implied-outlives.rs:37:9
+   |
+LL |     'a: 'static,
+   |         ^^^^^^^
+   |
+note: the implementor must specify the same requirement
+  --> $DIR/explicit-implied-outlives.rs:7:1
+   |
+LL | struct DropMe<'a, T>(&'a T);
+   | ^^^^^^^^^^^^^^^^^^^^
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0367`.
diff --git a/tests/ui/dropck/explicit-implied-outlives.rs b/tests/ui/dropck/explicit-implied-outlives.rs
new file mode 100644
index 00000000000..fa446591f3d
--- /dev/null
+++ b/tests/ui/dropck/explicit-implied-outlives.rs
@@ -0,0 +1,43 @@
+// revisions: good1 good2 bad1 bad2
+//[good1] check-pass
+//[good2] check-pass
+
+use std::ops::Drop;
+
+struct DropMe<'a, T>(&'a T);
+
+#[cfg(good1)]
+impl<'a, T> Drop for DropMe<'a, T>
+where
+    T: 'a, // Implied by struct, explicit on impl
+{
+    fn drop(&mut self) {}
+}
+
+#[cfg(good2)]
+impl<'a, T> Drop for DropMe<'a, T>
+where
+    'static: 'a, // Trivial bound
+{
+    fn drop(&mut self) {}
+}
+
+#[cfg(bad1)]
+impl<'a, T> Drop for DropMe<'a, T>
+where
+    T: 'static,
+    //[bad1]~^ ERROR `Drop` impl requires `T: 'static`
+{
+    fn drop(&mut self) {}
+}
+
+#[cfg(bad2)]
+impl<'a, T> Drop for DropMe<'a, T>
+where
+    'a: 'static,
+    //[bad2]~^ ERROR `Drop` impl requires `'a: 'static`
+{
+    fn drop(&mut self) {}
+}
+
+fn main() {}
diff --git a/tests/ui/dropck/negative.rs b/tests/ui/dropck/negative.rs
new file mode 100644
index 00000000000..ae63632b55e
--- /dev/null
+++ b/tests/ui/dropck/negative.rs
@@ -0,0 +1,7 @@
+#![feature(negative_impls)]
+
+struct NonDrop;
+impl !Drop for NonDrop {}
+//~^ ERROR negative `Drop` impls are not supported
+
+fn main() {}
diff --git a/tests/ui/dropck/negative.stderr b/tests/ui/dropck/negative.stderr
new file mode 100644
index 00000000000..d613e30b5ea
--- /dev/null
+++ b/tests/ui/dropck/negative.stderr
@@ -0,0 +1,8 @@
+error: negative `Drop` impls are not supported
+  --> $DIR/negative.rs:4:1
+   |
+LL | impl !Drop for NonDrop {}
+   | ^^^^^^^^^^^^^^^^^^^^^^
+
+error: aborting due to previous error
+
diff --git a/tests/ui/dropck/reservation.rs b/tests/ui/dropck/reservation.rs
new file mode 100644
index 00000000000..f7199d4ec44
--- /dev/null
+++ b/tests/ui/dropck/reservation.rs
@@ -0,0 +1,10 @@
+#![feature(rustc_attrs)]
+
+struct ReservedDrop;
+#[rustc_reservation_impl = "message"]
+impl Drop for ReservedDrop {
+//~^ ERROR reservation `Drop` impls are not supported
+    fn drop(&mut self) {}
+}
+
+fn main() {}
diff --git a/tests/ui/dropck/reservation.stderr b/tests/ui/dropck/reservation.stderr
new file mode 100644
index 00000000000..19325d6ed44
--- /dev/null
+++ b/tests/ui/dropck/reservation.stderr
@@ -0,0 +1,8 @@
+error: reservation `Drop` impls are not supported
+  --> $DIR/reservation.rs:5:1
+   |
+LL | impl Drop for ReservedDrop {
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: aborting due to previous error
+
diff --git a/tests/ui/dropck/transitive-outlives-2.rs b/tests/ui/dropck/transitive-outlives-2.rs
new file mode 100644
index 00000000000..87154e25d40
--- /dev/null
+++ b/tests/ui/dropck/transitive-outlives-2.rs
@@ -0,0 +1,18 @@
+// check-pass
+
+use std::marker::PhantomData;
+use std::ops::Drop;
+
+// a >= b >= c >= a implies a = b = c
+struct DropMe<'a: 'b, 'b: 'c, 'c: 'a>(
+    PhantomData<&'a ()>,
+    PhantomData<&'b ()>,
+    PhantomData<&'c ()>,
+);
+
+// a >= b, a >= c, b >= a, c >= a implies a = b = c
+impl<'a: 'b + 'c, 'b: 'a, 'c: 'a> Drop for DropMe<'a, 'b, 'c> {
+    fn drop(&mut self) {}
+}
+
+fn main() {}
diff --git a/tests/ui/dropck/transitive-outlives.bad.stderr b/tests/ui/dropck/transitive-outlives.bad.stderr
new file mode 100644
index 00000000000..da5088b27b4
--- /dev/null
+++ b/tests/ui/dropck/transitive-outlives.bad.stderr
@@ -0,0 +1,15 @@
+error[E0367]: `Drop` impl requires `'a: 'c` but the struct it is implemented for does not
+  --> $DIR/transitive-outlives.rs:20:9
+   |
+LL |     'a: 'c,
+   |         ^^
+   |
+note: the implementor must specify the same requirement
+  --> $DIR/transitive-outlives.rs:7:1
+   |
+LL | struct DropMe<'a, 'b: 'a, 'c: 'b>(PhantomData<&'a ()>, PhantomData<&'b ()>, PhantomData<&'c ()>);
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0367`.
diff --git a/tests/ui/dropck/transitive-outlives.rs b/tests/ui/dropck/transitive-outlives.rs
new file mode 100644
index 00000000000..d071664abde
--- /dev/null
+++ b/tests/ui/dropck/transitive-outlives.rs
@@ -0,0 +1,26 @@
+// revisions: good bad
+//[good] check-pass
+
+use std::marker::PhantomData;
+use std::ops::Drop;
+
+struct DropMe<'a, 'b: 'a, 'c: 'b>(PhantomData<&'a ()>, PhantomData<&'b ()>, PhantomData<&'c ()>);
+
+#[cfg(good)]
+impl<'a, 'b, 'c> Drop for DropMe<'a, 'b, 'c>
+where
+    'c: 'a,
+{
+    fn drop(&mut self) {}
+}
+
+#[cfg(bad)]
+impl<'a, 'b, 'c> Drop for DropMe<'a, 'b, 'c>
+where
+    'a: 'c,
+    //[bad]~^ ERROR `Drop` impl requires `'a: 'c`
+{
+    fn drop(&mut self) {}
+}
+
+fn main() {}
diff --git a/tests/ui/dropck/trivial-impl-bounds.rs b/tests/ui/dropck/trivial-impl-bounds.rs
new file mode 100644
index 00000000000..a8f5d2c354b
--- /dev/null
+++ b/tests/ui/dropck/trivial-impl-bounds.rs
@@ -0,0 +1,34 @@
+// revisions: good1 good2 good3
+// check-pass
+
+use std::ops::Drop;
+
+struct Foo;
+
+const X: usize = 1;
+
+#[cfg(good1)]
+impl Drop for Foo
+where
+    [(); X]:, // Trivial WF bound
+{
+    fn drop(&mut self) {}
+}
+
+#[cfg(good2)]
+impl Drop for Foo
+where
+    for<'a> &'a (): Copy, // Trivial trait bound
+{
+    fn drop(&mut self) {}
+}
+
+#[cfg(good3)]
+impl Drop for Foo
+where
+    for<'a> &'a (): 'a, // Trivial outlives bound
+{
+    fn drop(&mut self) {}
+}
+
+fn main() {}
diff --git a/tests/ui/dst/dst-bad-coerce1.stderr b/tests/ui/dst/dst-bad-coerce1.stderr
index ff77bd4cef8..2c75518c298 100644
--- a/tests/ui/dst/dst-bad-coerce1.stderr
+++ b/tests/ui/dst/dst-bad-coerce1.stderr
@@ -15,7 +15,7 @@ error[E0277]: the trait bound `Foo: Bar` is not satisfied
 LL |     let f3: &Fat<dyn Bar> = f2;
    |                             ^^ the trait `Bar` is not implemented for `Foo`
    |
-   = note: required for the cast from `Foo` to the object type `dyn Bar`
+   = note: required for the cast from `&Fat<Foo>` to `&Fat<dyn Bar>`
 
 error[E0308]: mismatched types
   --> $DIR/dst-bad-coerce1.rs:28:27
@@ -34,7 +34,7 @@ error[E0277]: the trait bound `Foo: Bar` is not satisfied
 LL |     let f3: &(dyn Bar,) = f2;
    |                           ^^ the trait `Bar` is not implemented for `Foo`
    |
-   = note: required for the cast from `Foo` to the object type `dyn Bar`
+   = note: required for the cast from `&(Foo,)` to `&(dyn Bar,)`
 
 error: aborting due to 4 previous errors
 
diff --git a/tests/ui/dst/dst-object-from-unsized-type.stderr b/tests/ui/dst/dst-object-from-unsized-type.stderr
index e24c96ebed6..d5e464aed4b 100644
--- a/tests/ui/dst/dst-object-from-unsized-type.stderr
+++ b/tests/ui/dst/dst-object-from-unsized-type.stderr
@@ -6,7 +6,7 @@ LL | fn test1<T: ?Sized + Foo>(t: &T) {
 LL |     let u: &dyn Foo = t;
    |                       ^ doesn't have a size known at compile-time
    |
-   = note: required for the cast from `T` to the object type `dyn Foo`
+   = note: required for the cast from `&T` to `&dyn Foo`
 help: consider removing the `?Sized` bound to make the type parameter `Sized`
    |
 LL - fn test1<T: ?Sized + Foo>(t: &T) {
@@ -21,7 +21,7 @@ LL | fn test2<T: ?Sized + Foo>(t: &T) {
 LL |     let v: &dyn Foo = t as &dyn Foo;
    |                       ^ doesn't have a size known at compile-time
    |
-   = note: required for the cast from `T` to the object type `dyn Foo`
+   = note: required for the cast from `&T` to `&dyn Foo`
 help: consider removing the `?Sized` bound to make the type parameter `Sized`
    |
 LL - fn test2<T: ?Sized + Foo>(t: &T) {
@@ -35,7 +35,7 @@ LL |     let _: &[&dyn Foo] = &["hi"];
    |                            ^^^^ doesn't have a size known at compile-time
    |
    = help: the trait `Sized` is not implemented for `str`
-   = note: required for the cast from `str` to the object type `dyn Foo`
+   = note: required for the cast from `&'static str` to `&dyn Foo`
 
 error[E0277]: the size for values of type `[u8]` cannot be known at compilation time
   --> $DIR/dst-object-from-unsized-type.rs:23:23
@@ -44,7 +44,7 @@ LL |     let _: &dyn Foo = x as &dyn Foo;
    |                       ^ doesn't have a size known at compile-time
    |
    = help: the trait `Sized` is not implemented for `[u8]`
-   = note: required for the cast from `[u8]` to the object type `dyn Foo`
+   = note: required for the cast from `&[u8]` to `&dyn Foo`
 
 error: aborting due to 4 previous errors
 
diff --git a/tests/ui/dupe-first-attr.rc b/tests/ui/dupe-first-attr.rs
index 8b7025b7be7..d950743b41c 100644
--- a/tests/ui/dupe-first-attr.rc
+++ b/tests/ui/dupe-first-attr.rs
@@ -1,24 +1,26 @@
+// run-pass
+
 // Regression test for a problem with the first mod attribute
 // being applied to every mod
 
 // pretty-expanded FIXME #23616
 
 #[cfg(target_os = "linux")]
-mod hello;
+mod hello {}
 
 #[cfg(target_os = "macos")]
-mod hello;
+mod hello {}
 
 #[cfg(target_os = "windows")]
-mod hello;
+mod hello {}
 
 #[cfg(target_os = "freebsd")]
-mod hello;
+mod hello {}
 
 #[cfg(target_os = "dragonfly")]
-mod hello;
+mod hello {}
 
 #[cfg(target_os = "android")]
-mod hello;
+mod hello {}
 
-pub fn main() { }
+fn main() {}
diff --git a/tests/ui/dyn-star/check-size-at-cast-polymorphic-bad.stderr b/tests/ui/dyn-star/check-size-at-cast-polymorphic-bad.current.stderr
index 8726fae79a0..ba42f619a54 100644
--- a/tests/ui/dyn-star/check-size-at-cast-polymorphic-bad.stderr
+++ b/tests/ui/dyn-star/check-size-at-cast-polymorphic-bad.current.stderr
@@ -1,5 +1,5 @@
 error[E0277]: `&T` needs to have the same ABI as a pointer
-  --> $DIR/check-size-at-cast-polymorphic-bad.rs:11:15
+  --> $DIR/check-size-at-cast-polymorphic-bad.rs:14:15
    |
 LL |     dyn_debug(t);
    |               ^ `&T` needs to be a pointer-like type
diff --git a/tests/ui/dyn-star/check-size-at-cast-polymorphic-bad.next.stderr b/tests/ui/dyn-star/check-size-at-cast-polymorphic-bad.next.stderr
new file mode 100644
index 00000000000..ba42f619a54
--- /dev/null
+++ b/tests/ui/dyn-star/check-size-at-cast-polymorphic-bad.next.stderr
@@ -0,0 +1,15 @@
+error[E0277]: `&T` needs to have the same ABI as a pointer
+  --> $DIR/check-size-at-cast-polymorphic-bad.rs:14:15
+   |
+LL |     dyn_debug(t);
+   |               ^ `&T` needs to be a pointer-like type
+   |
+   = help: the trait `PointerLike` is not implemented for `&T`
+help: consider introducing a `where` clause, but there might be an alternative better way to express this requirement
+   |
+LL | fn polymorphic<T: Debug + ?Sized>(t: &T) where &T: PointerLike {
+   |                                          +++++++++++++++++++++
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0277`.
diff --git a/tests/ui/dyn-star/check-size-at-cast-polymorphic-bad.rs b/tests/ui/dyn-star/check-size-at-cast-polymorphic-bad.rs
index 913c2faacbd..9846f871424 100644
--- a/tests/ui/dyn-star/check-size-at-cast-polymorphic-bad.rs
+++ b/tests/ui/dyn-star/check-size-at-cast-polymorphic-bad.rs
@@ -1,3 +1,6 @@
+// revisions: current next
+//[next] compile-flags: -Ztrait-solver=next
+
 #![feature(dyn_star)]
 #![allow(incomplete_features)]
 
diff --git a/tests/ui/enum-discriminant/auxiliary/discr-foreign-dep.rs b/tests/ui/enum-discriminant/auxiliary/discr-foreign-dep.rs
new file mode 100644
index 00000000000..a2cc10a4b22
--- /dev/null
+++ b/tests/ui/enum-discriminant/auxiliary/discr-foreign-dep.rs
@@ -0,0 +1,7 @@
+#[derive(Default)]
+pub enum Foo {
+    A(u32),
+    #[default]
+    B,
+    C(u32),
+}
diff --git a/tests/ui/enum-discriminant/discr-foreign.rs b/tests/ui/enum-discriminant/discr-foreign.rs
new file mode 100644
index 00000000000..e7123b34452
--- /dev/null
+++ b/tests/ui/enum-discriminant/discr-foreign.rs
@@ -0,0 +1,11 @@
+// aux-build:discr-foreign-dep.rs
+// build-pass
+
+extern crate discr_foreign_dep;
+
+fn main() {
+    match Default::default() {
+        discr_foreign_dep::Foo::A(_) => {}
+        _ => {}
+    }
+}
diff --git a/tests/ui/enum-discriminant/issue-41394.rs b/tests/ui/enum-discriminant/issue-41394.rs
index 07cad8796e1..06a33081340 100644
--- a/tests/ui/enum-discriminant/issue-41394.rs
+++ b/tests/ui/enum-discriminant/issue-41394.rs
@@ -5,7 +5,6 @@ enum Foo {
 
 enum Bar {
     A = Foo::A as isize
-    //~^ const
 }
 
 fn main() {}
diff --git a/tests/ui/enum-discriminant/issue-41394.stderr b/tests/ui/enum-discriminant/issue-41394.stderr
index 1b5c64628a1..fa95ca9c18a 100644
--- a/tests/ui/enum-discriminant/issue-41394.stderr
+++ b/tests/ui/enum-discriminant/issue-41394.stderr
@@ -6,12 +6,6 @@ LL |     A = "" + 1
    |         |
    |         &str
 
-note: erroneous constant used
-  --> $DIR/issue-41394.rs:7:9
-   |
-LL |     A = Foo::A as isize
-   |         ^^^^^^^^^^^^^^^
-
 error: aborting due to previous error
 
 For more information about this error, try `rustc --explain E0369`.
diff --git a/tests/ui/enum-discriminant/issue-70453-generics-in-discr-ice-2.rs b/tests/ui/enum-discriminant/issue-70453-generics-in-discr-ice-2.rs
index ad9fcc25b41..62137c0c8d3 100644
--- a/tests/ui/enum-discriminant/issue-70453-generics-in-discr-ice-2.rs
+++ b/tests/ui/enum-discriminant/issue-70453-generics-in-discr-ice-2.rs
@@ -7,7 +7,7 @@ use core::intrinsics::discriminant_value;
 enum MyWeirdOption<T> {
     None = 0,
     Some(T) = std::mem::size_of::<T>(),
-    //~^ ERROR generic parameters may not be used in const operations
+    //~^ ERROR generic parameters may not be used in enum discriminant values
 }
 
 fn main() {
diff --git a/tests/ui/enum-discriminant/issue-70453-generics-in-discr-ice-2.stderr b/tests/ui/enum-discriminant/issue-70453-generics-in-discr-ice-2.stderr
index e4e10468d53..2cb159ee291 100644
--- a/tests/ui/enum-discriminant/issue-70453-generics-in-discr-ice-2.stderr
+++ b/tests/ui/enum-discriminant/issue-70453-generics-in-discr-ice-2.stderr
@@ -1,11 +1,10 @@
-error: generic parameters may not be used in const operations
+error: generic parameters may not be used in enum discriminant values
   --> $DIR/issue-70453-generics-in-discr-ice-2.rs:9:35
    |
 LL |     Some(T) = std::mem::size_of::<T>(),
    |                                   ^ cannot perform const operation using `T`
    |
-   = note: type parameters may not be used in const expressions
-   = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
+   = note: type parameters may not be used in enum discriminant values
 
 error: aborting due to previous error
 
diff --git a/tests/ui/enum-discriminant/issue-70453-generics-in-discr-ice.rs b/tests/ui/enum-discriminant/issue-70453-generics-in-discr-ice.rs
index a0fb788a510..093c57534a4 100644
--- a/tests/ui/enum-discriminant/issue-70453-generics-in-discr-ice.rs
+++ b/tests/ui/enum-discriminant/issue-70453-generics-in-discr-ice.rs
@@ -8,7 +8,7 @@ enum MyWeirdOption<T> {
 //~^ ERROR parameter `T` is never used
     None = 0,
     Some = std::mem::size_of::<T>(),
-    //~^ ERROR generic parameters may not be used in const operations
+    //~^ ERROR generic parameters may not be used in enum discriminant values
 }
 
 fn main() {
diff --git a/tests/ui/enum-discriminant/issue-70453-generics-in-discr-ice.stderr b/tests/ui/enum-discriminant/issue-70453-generics-in-discr-ice.stderr
index 7ea8a39129e..fac3ce07aeb 100644
--- a/tests/ui/enum-discriminant/issue-70453-generics-in-discr-ice.stderr
+++ b/tests/ui/enum-discriminant/issue-70453-generics-in-discr-ice.stderr
@@ -1,11 +1,10 @@
-error: generic parameters may not be used in const operations
+error: generic parameters may not be used in enum discriminant values
   --> $DIR/issue-70453-generics-in-discr-ice.rs:10:32
    |
 LL |     Some = std::mem::size_of::<T>(),
    |                                ^ cannot perform const operation using `T`
    |
-   = note: type parameters may not be used in const expressions
-   = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
+   = note: type parameters may not be used in enum discriminant values
 
 error[E0392]: parameter `T` is never used
   --> $DIR/issue-70453-generics-in-discr-ice.rs:7:20
diff --git a/tests/ui/enum-discriminant/issue-70453-polymorphic-ctfe.stderr b/tests/ui/enum-discriminant/issue-70453-polymorphic-ctfe.stderr
index 0a7a631606e..15cd6d30364 100644
--- a/tests/ui/enum-discriminant/issue-70453-polymorphic-ctfe.stderr
+++ b/tests/ui/enum-discriminant/issue-70453-polymorphic-ctfe.stderr
@@ -1,11 +1,10 @@
-error: generic parameters may not be used in const operations
+error: generic parameters may not be used in enum discriminant values
   --> $DIR/issue-70453-polymorphic-ctfe.rs:9:41
    |
 LL |     Some(T) = core::mem::size_of::<*mut T>(),
    |                                         ^ cannot perform const operation using `T`
    |
-   = note: type parameters may not be used in const expressions
-   = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
+   = note: type parameters may not be used in enum discriminant values
 
 error: aborting due to previous error
 
diff --git a/tests/ui/issues/issue-1821.rs b/tests/ui/enum/issue-1821.rs
index 76ee9c3edb0..76ee9c3edb0 100644
--- a/tests/ui/issues/issue-1821.rs
+++ b/tests/ui/enum/issue-1821.rs
diff --git a/tests/ui/enum/issue-67945-1.stderr b/tests/ui/enum/issue-67945-1.stderr
index 8f1b5b38e4c..878fa322f02 100644
--- a/tests/ui/enum/issue-67945-1.stderr
+++ b/tests/ui/enum/issue-67945-1.stderr
@@ -1,11 +1,10 @@
-error: generic parameters may not be used in const operations
+error: generic parameters may not be used in enum discriminant values
   --> $DIR/issue-67945-1.rs:3:16
    |
 LL |         let x: S = 0;
    |                ^ cannot perform const operation using `S`
    |
-   = note: type parameters may not be used in const expressions
-   = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
+   = note: type parameters may not be used in enum discriminant values
 
 error[E0392]: parameter `S` is never used
   --> $DIR/issue-67945-1.rs:1:10
diff --git a/tests/ui/enum/issue-67945-2.stderr b/tests/ui/enum/issue-67945-2.stderr
index 63d3521afe4..f8ec12d470a 100644
--- a/tests/ui/enum/issue-67945-2.stderr
+++ b/tests/ui/enum/issue-67945-2.stderr
@@ -1,11 +1,10 @@
-error: generic parameters may not be used in const operations
+error: generic parameters may not be used in enum discriminant values
   --> $DIR/issue-67945-2.rs:4:28
    |
 LL |     Var = type_ascribe!(0, S),
    |                            ^ cannot perform const operation using `S`
    |
-   = note: type parameters may not be used in const expressions
-   = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
+   = note: type parameters may not be used in enum discriminant values
 
 error[E0392]: parameter `S` is never used
   --> $DIR/issue-67945-2.rs:3:10
diff --git a/tests/ui/error-codes/E0277.stderr b/tests/ui/error-codes/E0277.stderr
index 2b4784d7ecc..440e43dff81 100644
--- a/tests/ui/error-codes/E0277.stderr
+++ b/tests/ui/error-codes/E0277.stderr
@@ -5,7 +5,8 @@ LL | fn f(p: Path) { }
    |      ^ doesn't have a size known at compile-time
    |
    = help: within `Path`, the trait `Sized` is not implemented for `[u8]`
-   = note: required because it appears within the type `Path`
+note: required because it appears within the type `Path`
+  --> $SRC_DIR/std/src/path.rs:LL:COL
    = help: unsized fn params are gated as an unstable feature
 help: function arguments must have a statically known size, borrowed types always have a known size
    |
diff --git a/tests/ui/error-codes/E0389.stderr b/tests/ui/error-codes/E0389.stderr
index 51c4c92addf..e4001856c38 100644
--- a/tests/ui/error-codes/E0389.stderr
+++ b/tests/ui/error-codes/E0389.stderr
@@ -7,7 +7,7 @@ LL |     fancy_ref.num = 6;
 help: consider changing this to be a mutable reference
    |
 LL |     let fancy_ref = &mut (&mut fancy);
-   |                     ~~~~~~~~~~~~~~~~~
+   |                      +++
 
 error: aborting due to previous error
 
diff --git a/tests/ui/error-codes/E0719.rs b/tests/ui/error-codes/E0719.rs
index 3311e190937..cbf1bb219a0 100644
--- a/tests/ui/error-codes/E0719.rs
+++ b/tests/ui/error-codes/E0719.rs
@@ -1,5 +1,6 @@
 trait Foo: Iterator<Item = i32, Item = i32> {}
 //~^ ERROR is already specified
+//~| ERROR is already specified
 
 type Unit = ();
 
diff --git a/tests/ui/error-codes/E0719.stderr b/tests/ui/error-codes/E0719.stderr
index b342d634334..e302f406d02 100644
--- a/tests/ui/error-codes/E0719.stderr
+++ b/tests/ui/error-codes/E0719.stderr
@@ -7,13 +7,21 @@ LL | trait Foo: Iterator<Item = i32, Item = i32> {}
    |                     `Item` bound here first
 
 error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
-  --> $DIR/E0719.rs:6:42
+  --> $DIR/E0719.rs:1:33
+   |
+LL | trait Foo: Iterator<Item = i32, Item = i32> {}
+   |                     ----------  ^^^^^^^^^^ re-bound here
+   |                     |
+   |                     `Item` bound here first
+
+error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
+  --> $DIR/E0719.rs:7:42
    |
 LL | fn test() -> Box<dyn Iterator<Item = (), Item = Unit>> {
    |                               ---------  ^^^^^^^^^^^ re-bound here
    |                               |
    |                               `Item` bound here first
 
-error: aborting due to 2 previous errors
+error: aborting due to 3 previous errors
 
 For more information about this error, try `rustc --explain E0719`.
diff --git a/tests/ui/error-codes/E0771.rs b/tests/ui/error-codes/E0771.rs
index 67e7d106a1f..c0a2e98a7df 100644
--- a/tests/ui/error-codes/E0771.rs
+++ b/tests/ui/error-codes/E0771.rs
@@ -1,7 +1,7 @@
 #![feature(adt_const_params)]
 //~^ WARN the feature `adt_const_params` is incomplete
 
-fn function_with_str<'a, const STRING: &'a str>() {} //~ ERROR E0771
+fn function_with_str<'a, const STRING: &'a str>() {} //~ ERROR E0770
 
 fn main() {
     function_with_str::<"Hello, world!">()
diff --git a/tests/ui/error-codes/E0771.stderr b/tests/ui/error-codes/E0771.stderr
index b759399a940..9450c61c27b 100644
--- a/tests/ui/error-codes/E0771.stderr
+++ b/tests/ui/error-codes/E0771.stderr
@@ -1,10 +1,10 @@
-error[E0771]: use of non-static lifetime `'a` in const generic
+error[E0770]: the type of const parameters must not depend on other generic parameters
   --> $DIR/E0771.rs:4:41
    |
 LL | fn function_with_str<'a, const STRING: &'a str>() {}
-   |                                         ^^
+   |                                         ^^ the type must not depend on the parameter `'a`
    |
-   = note: for more information, see issue #74052 <https://github.com/rust-lang/rust/issues/74052>
+   = note: lifetime parameters may not be used in the type of const parameters
 
 warning: the feature `adt_const_params` is incomplete and may not be safe to use and/or cause compiler crashes
   --> $DIR/E0771.rs:1:12
@@ -17,4 +17,4 @@ LL | #![feature(adt_const_params)]
 
 error: aborting due to previous error; 1 warning emitted
 
-For more information about this error, try `rustc --explain E0771`.
+For more information about this error, try `rustc --explain E0770`.
diff --git a/tests/ui/explicit/explicit-call-to-supertrait-dtor.fixed b/tests/ui/explicit/explicit-call-to-supertrait-dtor.fixed
index 47c4c9f67b6..0bc4feed329 100644
--- a/tests/ui/explicit/explicit-call-to-supertrait-dtor.fixed
+++ b/tests/ui/explicit/explicit-call-to-supertrait-dtor.fixed
@@ -1,4 +1,7 @@
 // run-rustfix
+
+#![allow(drop_ref)]
+
 struct Foo {
     x: isize
 }
diff --git a/tests/ui/explicit/explicit-call-to-supertrait-dtor.rs b/tests/ui/explicit/explicit-call-to-supertrait-dtor.rs
index c698de50c75..26ae6698d66 100644
--- a/tests/ui/explicit/explicit-call-to-supertrait-dtor.rs
+++ b/tests/ui/explicit/explicit-call-to-supertrait-dtor.rs
@@ -1,4 +1,7 @@
 // run-rustfix
+
+#![allow(drop_ref)]
+
 struct Foo {
     x: isize
 }
diff --git a/tests/ui/explicit/explicit-call-to-supertrait-dtor.stderr b/tests/ui/explicit/explicit-call-to-supertrait-dtor.stderr
index 7f5106eb57e..c7067117349 100644
--- a/tests/ui/explicit/explicit-call-to-supertrait-dtor.stderr
+++ b/tests/ui/explicit/explicit-call-to-supertrait-dtor.stderr
@@ -1,5 +1,5 @@
 error[E0040]: explicit use of destructor method
-  --> $DIR/explicit-call-to-supertrait-dtor.rs:19:14
+  --> $DIR/explicit-call-to-supertrait-dtor.rs:22:14
    |
 LL |         self.drop();
    |         -----^^^^--
diff --git a/tests/ui/extenv/extenv-escaped-var.rs b/tests/ui/extenv/extenv-escaped-var.rs
new file mode 100644
index 00000000000..d898feb78c6
--- /dev/null
+++ b/tests/ui/extenv/extenv-escaped-var.rs
@@ -0,0 +1,3 @@
+fn main() {
+    env!("\t"); //~ERROR environment variable `\t` not defined at compile time
+}
diff --git a/tests/ui/extenv/extenv-escaped-var.stderr b/tests/ui/extenv/extenv-escaped-var.stderr
new file mode 100644
index 00000000000..25e218c63f3
--- /dev/null
+++ b/tests/ui/extenv/extenv-escaped-var.stderr
@@ -0,0 +1,11 @@
+error: environment variable `\t` not defined at compile time
+  --> $DIR/extenv-escaped-var.rs:2:5
+   |
+LL |     env!("\t");
+   |     ^^^^^^^^^^
+   |
+   = help: use `std::env::var("\t")` to read the variable at run time
+   = note: this error originates in the macro `env` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error: aborting due to previous error
+
diff --git a/tests/ui/extenv/issue-110547.stderr b/tests/ui/extenv/issue-110547.stderr
index 1219630d346..10589ec2f54 100644
--- a/tests/ui/extenv/issue-110547.stderr
+++ b/tests/ui/extenv/issue-110547.stderr
@@ -1,28 +1,28 @@
-error: environment variable `    ` not defined at compile time
+error: environment variable `\t` not defined at compile time
   --> $DIR/issue-110547.rs:4:5
    |
 LL |     env!{"\t"};
    |     ^^^^^^^^^^
    |
-   = help: use `std::env::var("    ")` to read the variable at run time
+   = help: use `std::env::var("\t")` to read the variable at run time
    = note: this error originates in the macro `env` (in Nightly builds, run with -Z macro-backtrace for more info)
 
-error: environment variable `    ` not defined at compile time
+error: environment variable `\t` not defined at compile time
   --> $DIR/issue-110547.rs:5:5
    |
 LL |     env!("\t");
    |     ^^^^^^^^^^
    |
-   = help: use `std::env::var("    ")` to read the variable at run time
+   = help: use `std::env::var("\t")` to read the variable at run time
    = note: this error originates in the macro `env` (in Nightly builds, run with -Z macro-backtrace for more info)
 
-error: environment variable `` not defined at compile time
+error: environment variable `\u{2069}` not defined at compile time
   --> $DIR/issue-110547.rs:6:5
    |
 LL |     env!("\u{2069}");
    |     ^^^^^^^^^^^^^^^^
    |
-   = help: use `std::env::var("")` to read the variable at run time
+   = help: use `std::env::var("\u{2069}")` to read the variable at run time
    = note: this error originates in the macro `env` (in Nightly builds, run with -Z macro-backtrace for more info)
 
 error: aborting due to 3 previous errors
diff --git a/tests/ui/extern-flag/auxiliary/panic_handler.rs b/tests/ui/extern-flag/auxiliary/panic_handler.rs
new file mode 100644
index 00000000000..a625761a838
--- /dev/null
+++ b/tests/ui/extern-flag/auxiliary/panic_handler.rs
@@ -0,0 +1,17 @@
+#![feature(lang_items)]
+#![no_std]
+
+// Since `rustc` generally passes `-nodefaultlibs` to the linker,
+// Rust programs link necessary system libraries via `#[link()]`
+// attributes in the `libc` crate. `libc` is a dependency of `std`,
+// but as we are `#![no_std]`, we need to include it manually.
+#![feature(rustc_private)]
+extern crate libc;
+
+#[panic_handler]
+pub fn begin_panic_handler(_info: &core::panic::PanicInfo<'_>) -> ! {
+    loop {}
+}
+
+#[lang = "eh_personality"]
+extern "C" fn eh_personality() {}
diff --git a/tests/ui/extern-flag/force-extern.rs b/tests/ui/extern-flag/force-extern.rs
new file mode 100644
index 00000000000..f56b5378223
--- /dev/null
+++ b/tests/ui/extern-flag/force-extern.rs
@@ -0,0 +1,9 @@
+// check-pass
+// ignore-cross-compile (needs dylibs and compiletest doesn't have a more specific header)
+// aux-crate:force:panic_handler=panic_handler.rs
+// compile-flags: -Zunstable-options --crate-type dylib
+// edition:2018
+
+#![no_std]
+
+fn foo() {}
diff --git a/tests/ui/extern-flag/no-force-extern.rs b/tests/ui/extern-flag/no-force-extern.rs
new file mode 100644
index 00000000000..ce9cbfe1cd2
--- /dev/null
+++ b/tests/ui/extern-flag/no-force-extern.rs
@@ -0,0 +1,10 @@
+// aux-crate:panic_handler=panic_handler.rs
+// ignore-cross-compile (needs dylibs and compiletest doesn't have a more specific header)
+// compile_flags: -Zunstable-options --crate-type dylib
+// error-pattern: `#[panic_handler]` function required, but not found
+// dont-check-compiler-stderr
+// edition: 2018
+
+#![no_std]
+
+fn foo() {}
diff --git a/tests/ui/extern-flag/redundant-force-extern.rs b/tests/ui/extern-flag/redundant-force-extern.rs
new file mode 100644
index 00000000000..a4091616dd5
--- /dev/null
+++ b/tests/ui/extern-flag/redundant-force-extern.rs
@@ -0,0 +1,11 @@
+// check-pass
+// ignore-cross-compile (needs dylibs and compiletest doesn't have a more specific header)
+// aux-crate:force:panic_handler=panic_handler.rs
+// compile-flags: -Zunstable-options --crate-type dylib
+// edition:2018
+
+#![no_std]
+
+extern crate panic_handler;
+
+fn foo() {}
diff --git a/tests/ui/extern/auxiliary/invalid-utf8.txt b/tests/ui/extern/auxiliary/invalid-utf8.txt
deleted file mode 100644
index dc1115b82db..00000000000
--- a/tests/ui/extern/auxiliary/invalid-utf8.txt
+++ /dev/null
@@ -1 +0,0 @@
-Ã(
\ No newline at end of file
diff --git a/tests/ui/feature-gates/auxiliary/debugger-visualizer.natvis b/tests/ui/feature-gates/auxiliary/debugger-visualizer.natvis
deleted file mode 100644
index 6eb47e3d85b..00000000000
--- a/tests/ui/feature-gates/auxiliary/debugger-visualizer.natvis
+++ /dev/null
@@ -1,3 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<AutoVisualizer xmlns="http://schemas.microsoft.com/vstudio/debugger/natvis/2010">
-</AutoVisualizer>
diff --git a/tests/ui/feature-gates/feature-gate-builtin_syntax.rs b/tests/ui/feature-gates/feature-gate-builtin_syntax.rs
new file mode 100644
index 00000000000..832bb5a96bc
--- /dev/null
+++ b/tests/ui/feature-gates/feature-gate-builtin_syntax.rs
@@ -0,0 +1,7 @@
+struct Foo {
+    v: u8,
+    w: u8,
+}
+fn main() {
+    builtin # offset_of(Foo, v); //~ ERROR `builtin #` syntax is unstable
+}
diff --git a/tests/ui/feature-gates/feature-gate-builtin_syntax.stderr b/tests/ui/feature-gates/feature-gate-builtin_syntax.stderr
new file mode 100644
index 00000000000..3bc7848f66d
--- /dev/null
+++ b/tests/ui/feature-gates/feature-gate-builtin_syntax.stderr
@@ -0,0 +1,12 @@
+error[E0658]: `builtin #` syntax is unstable
+  --> $DIR/feature-gate-builtin_syntax.rs:6:15
+   |
+LL |     builtin # offset_of(Foo, v);
+   |               ^^^^^^^^^
+   |
+   = note: see issue #110680 <https://github.com/rust-lang/rust/issues/110680> for more information
+   = help: add `#![feature(builtin_syntax)]` to the crate attributes to enable
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0658`.
diff --git a/tests/ui/feature-gates/feature-gate-cfg_overflow_checks.rs b/tests/ui/feature-gates/feature-gate-cfg_overflow_checks.rs
new file mode 100644
index 00000000000..cb265aa7f25
--- /dev/null
+++ b/tests/ui/feature-gates/feature-gate-cfg_overflow_checks.rs
@@ -0,0 +1,6 @@
+#![crate_type = "lib"]
+
+#[cfg(overflow_checks)] //~ ERROR `cfg(overflow_checks)` is experimental
+pub fn cast(v: i64)->u32{
+    todo!()
+}
diff --git a/tests/ui/feature-gates/feature-gate-cfg_overflow_checks.stderr b/tests/ui/feature-gates/feature-gate-cfg_overflow_checks.stderr
new file mode 100644
index 00000000000..79aba7945f6
--- /dev/null
+++ b/tests/ui/feature-gates/feature-gate-cfg_overflow_checks.stderr
@@ -0,0 +1,12 @@
+error[E0658]: `cfg(overflow_checks)` is experimental and subject to change
+  --> $DIR/feature-gate-cfg_overflow_checks.rs:3:7
+   |
+LL | #[cfg(overflow_checks)]
+   |       ^^^^^^^^^^^^^^^
+   |
+   = note: see issue #111466 <https://github.com/rust-lang/rust/issues/111466> for more information
+   = help: add `#![feature(cfg_overflow_checks)]` to the crate attributes to enable
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0658`.
diff --git a/tests/ui/feature-gates/feature-gate-cfi_encoding.rs b/tests/ui/feature-gates/feature-gate-cfi_encoding.rs
new file mode 100644
index 00000000000..3cef8156014
--- /dev/null
+++ b/tests/ui/feature-gates/feature-gate-cfi_encoding.rs
@@ -0,0 +1,4 @@
+#![crate_type = "lib"]
+
+#[cfi_encoding = "3Bar"] //~ERROR 3:1: 3:25: the `#[cfi_encoding]` attribute is an experimental feature [E0658]
+pub struct Foo(i32);
diff --git a/tests/ui/feature-gates/feature-gate-cfi_encoding.stderr b/tests/ui/feature-gates/feature-gate-cfi_encoding.stderr
new file mode 100644
index 00000000000..b10a1508881
--- /dev/null
+++ b/tests/ui/feature-gates/feature-gate-cfi_encoding.stderr
@@ -0,0 +1,12 @@
+error[E0658]: the `#[cfi_encoding]` attribute is an experimental feature
+  --> $DIR/feature-gate-cfi_encoding.rs:3:1
+   |
+LL | #[cfi_encoding = "3Bar"]
+   | ^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+   = note: see issue #89653 <https://github.com/rust-lang/rust/issues/89653> for more information
+   = help: add `#![feature(cfi_encoding)]` to the crate attributes to enable
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0658`.
diff --git a/tests/ui/feature-gates/feature-gate-debugger-visualizer.rs b/tests/ui/feature-gates/feature-gate-debugger-visualizer.rs
deleted file mode 100644
index 4c4dc450d18..00000000000
--- a/tests/ui/feature-gates/feature-gate-debugger-visualizer.rs
+++ /dev/null
@@ -1,3 +0,0 @@
-#![debugger_visualizer(natvis_file = "auxiliary/debugger-visualizer.natvis")] //~ ERROR the `#[debugger_visualizer]` attribute is an experimental feature
-
-fn main() {}
diff --git a/tests/ui/feature-gates/feature-gate-debugger-visualizer.stderr b/tests/ui/feature-gates/feature-gate-debugger-visualizer.stderr
deleted file mode 100644
index e9367fbc6c9..00000000000
--- a/tests/ui/feature-gates/feature-gate-debugger-visualizer.stderr
+++ /dev/null
@@ -1,12 +0,0 @@
-error[E0658]: the `#[debugger_visualizer]` attribute is an experimental feature
-  --> $DIR/feature-gate-debugger-visualizer.rs:1:1
-   |
-LL | #![debugger_visualizer(natvis_file = "auxiliary/debugger-visualizer.natvis")]
-   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-   |
-   = note: see issue #95939 <https://github.com/rust-lang/rust/issues/95939> for more information
-   = help: add `#![feature(debugger_visualizer)]` to the crate attributes to enable
-
-error: aborting due to previous error
-
-For more information about this error, try `rustc --explain E0658`.
diff --git a/tests/ui/feature-gates/feature-gate-dispatch-from-dyn-missing-impl.stderr b/tests/ui/feature-gates/feature-gate-dispatch-from-dyn-missing-impl.stderr
index d81eade8e9b..303700c7ab4 100644
--- a/tests/ui/feature-gates/feature-gate-dispatch-from-dyn-missing-impl.stderr
+++ b/tests/ui/feature-gates/feature-gate-dispatch-from-dyn-missing-impl.stderr
@@ -31,14 +31,7 @@ LL | trait Trait {
    |       ----- this trait cannot be made into an object...
 LL |     fn ptr(self: Ptr<Self>);
    |                  ^^^^^^^^^ ...because method `ptr`'s `self` parameter cannot be dispatched on
-note: required for `Ptr<{integer}>` to implement `CoerceUnsized<Ptr<dyn Trait>>`
-  --> $DIR/feature-gate-dispatch-from-dyn-missing-impl.rs:20:40
-   |
-LL | impl<T: Unsize<U> + ?Sized, U: ?Sized> CoerceUnsized<Ptr<U>> for Ptr<T> {}
-   |         ---------                      ^^^^^^^^^^^^^^^^^^^^^     ^^^^^^
-   |         |
-   |         unsatisfied trait bound introduced here
-   = note: required by cast to type `Ptr<dyn Trait>`
+   = note: required for the cast from `Ptr<{integer}>` to `Ptr<dyn Trait>`
 
 error: aborting due to 2 previous errors
 
diff --git a/tests/ui/feature-gates/feature-gate-negative_bounds.rs b/tests/ui/feature-gates/feature-gate-negative_bounds.rs
new file mode 100644
index 00000000000..533cb0ce5bc
--- /dev/null
+++ b/tests/ui/feature-gates/feature-gate-negative_bounds.rs
@@ -0,0 +1,4 @@
+fn test<T: !Copy>() {}
+//~^ ERROR negative bounds are not supported
+
+fn main() {}
diff --git a/tests/ui/feature-gates/feature-gate-negative_bounds.stderr b/tests/ui/feature-gates/feature-gate-negative_bounds.stderr
new file mode 100644
index 00000000000..ae010fdf3f8
--- /dev/null
+++ b/tests/ui/feature-gates/feature-gate-negative_bounds.stderr
@@ -0,0 +1,8 @@
+error: negative bounds are not supported
+  --> $DIR/feature-gate-negative_bounds.rs:1:12
+   |
+LL | fn test<T: !Copy>() {}
+   |            ^
+
+error: aborting due to previous error
+
diff --git a/tests/ui/feature-gates/feature-gate-raw-dylib-2.rs b/tests/ui/feature-gates/feature-gate-raw-dylib-2.rs
deleted file mode 100644
index fc47a9061d3..00000000000
--- a/tests/ui/feature-gates/feature-gate-raw-dylib-2.rs
+++ /dev/null
@@ -1,12 +0,0 @@
-// only-x86
-#[link(name = "foo")]
-extern "C" {
-    #[link_ordinal(42)]
-    //~^ ERROR: `#[link_ordinal]` is unstable on x86
-    fn foo();
-    #[link_ordinal(5)]
-    //~^ ERROR: `#[link_ordinal]` is unstable on x86
-    static mut imported_variable: i32;
-}
-
-fn main() {}
diff --git a/tests/ui/feature-gates/feature-gate-raw-dylib-2.stderr b/tests/ui/feature-gates/feature-gate-raw-dylib-2.stderr
deleted file mode 100644
index 0e900760d24..00000000000
--- a/tests/ui/feature-gates/feature-gate-raw-dylib-2.stderr
+++ /dev/null
@@ -1,21 +0,0 @@
-error[E0658]: `#[link_ordinal]` is unstable on x86
-  --> $DIR/feature-gate-raw-dylib-2.rs:4:5
-   |
-LL |     #[link_ordinal(42)]
-   |     ^^^^^^^^^^^^^^^^^^^
-   |
-   = note: see issue #58713 <https://github.com/rust-lang/rust/issues/58713> for more information
-   = help: add `#![feature(raw_dylib)]` to the crate attributes to enable
-
-error[E0658]: `#[link_ordinal]` is unstable on x86
-  --> $DIR/feature-gate-raw-dylib-2.rs:7:5
-   |
-LL |     #[link_ordinal(5)]
-   |     ^^^^^^^^^^^^^^^^^^
-   |
-   = note: see issue #58713 <https://github.com/rust-lang/rust/issues/58713> for more information
-   = help: add `#![feature(raw_dylib)]` to the crate attributes to enable
-
-error: aborting due to 2 previous errors
-
-For more information about this error, try `rustc --explain E0658`.
diff --git a/tests/ui/feature-gates/feature-gate-raw-dylib-import-name-type.rs b/tests/ui/feature-gates/feature-gate-raw-dylib-import-name-type.rs
deleted file mode 100644
index 295f502d6a3..00000000000
--- a/tests/ui/feature-gates/feature-gate-raw-dylib-import-name-type.rs
+++ /dev/null
@@ -1,8 +0,0 @@
-// only-windows
-// only-x86
-#[link(name = "foo", kind = "raw-dylib", import_name_type = "decorated")]
-//~^ ERROR link kind `raw-dylib` is unstable on x86
-//~| ERROR import name type is unstable
-extern "C" {}
-
-fn main() {}
diff --git a/tests/ui/feature-gates/feature-gate-raw-dylib-import-name-type.stderr b/tests/ui/feature-gates/feature-gate-raw-dylib-import-name-type.stderr
deleted file mode 100644
index d6b165b7610..00000000000
--- a/tests/ui/feature-gates/feature-gate-raw-dylib-import-name-type.stderr
+++ /dev/null
@@ -1,21 +0,0 @@
-error[E0658]: link kind `raw-dylib` is unstable on x86
-  --> $DIR/feature-gate-raw-dylib-import-name-type.rs:3:29
-   |
-LL | #[link(name = "foo", kind = "raw-dylib", import_name_type = "decorated")]
-   |                             ^^^^^^^^^^^
-   |
-   = note: see issue #58713 <https://github.com/rust-lang/rust/issues/58713> for more information
-   = help: add `#![feature(raw_dylib)]` to the crate attributes to enable
-
-error[E0658]: import name type is unstable
-  --> $DIR/feature-gate-raw-dylib-import-name-type.rs:3:61
-   |
-LL | #[link(name = "foo", kind = "raw-dylib", import_name_type = "decorated")]
-   |                                                             ^^^^^^^^^^^
-   |
-   = note: see issue #58713 <https://github.com/rust-lang/rust/issues/58713> for more information
-   = help: add `#![feature(raw_dylib)]` to the crate attributes to enable
-
-error: aborting due to 2 previous errors
-
-For more information about this error, try `rustc --explain E0658`.
diff --git a/tests/ui/feature-gates/feature-gate-raw-dylib.rs b/tests/ui/feature-gates/feature-gate-raw-dylib.rs
deleted file mode 100644
index 291cca8fd25..00000000000
--- a/tests/ui/feature-gates/feature-gate-raw-dylib.rs
+++ /dev/null
@@ -1,7 +0,0 @@
-// only-windows
-// only-x86
-#[link(name = "foo", kind = "raw-dylib")]
-//~^ ERROR: link kind `raw-dylib` is unstable on x86
-extern "C" {}
-
-fn main() {}
diff --git a/tests/ui/feature-gates/feature-gate-raw-dylib.stderr b/tests/ui/feature-gates/feature-gate-raw-dylib.stderr
deleted file mode 100644
index f02241e4908..00000000000
--- a/tests/ui/feature-gates/feature-gate-raw-dylib.stderr
+++ /dev/null
@@ -1,12 +0,0 @@
-error[E0658]: link kind `raw-dylib` is unstable on x86
-  --> $DIR/feature-gate-raw-dylib.rs:3:29
-   |
-LL | #[link(name = "foo", kind = "raw-dylib")]
-   |                             ^^^^^^^^^^^
-   |
-   = note: see issue #58713 <https://github.com/rust-lang/rust/issues/58713> for more information
-   = help: add `#![feature(raw_dylib)]` to the crate attributes to enable
-
-error: aborting due to previous error
-
-For more information about this error, try `rustc --explain E0658`.
diff --git a/tests/ui/feature-gates/feature-gate-return_type_notation.cfg.stderr b/tests/ui/feature-gates/feature-gate-return_type_notation.cfg.stderr
index c3a371e25e8..1bdb2574ead 100644
--- a/tests/ui/feature-gates/feature-gate-return_type_notation.cfg.stderr
+++ b/tests/ui/feature-gates/feature-gate-return_type_notation.cfg.stderr
@@ -1,5 +1,5 @@
 error[E0658]: return type notation is experimental
-  --> $DIR/feature-gate-return_type_notation.rs:15:17
+  --> $DIR/feature-gate-return_type_notation.rs:14:17
    |
 LL | fn foo<T: Trait<m(): Send>>() {}
    |                 ^^^^^^^^^
@@ -7,17 +7,8 @@ LL | fn foo<T: Trait<m(): Send>>() {}
    = note: see issue #109417 <https://github.com/rust-lang/rust/issues/109417> for more information
    = help: add `#![feature(return_type_notation)]` to the crate attributes to enable
 
-warning: the feature `async_fn_in_trait` is incomplete and may not be safe to use and/or cause compiler crashes
-  --> $DIR/feature-gate-return_type_notation.rs:7:12
-   |
-LL | #![feature(async_fn_in_trait)]
-   |            ^^^^^^^^^^^^^^^^^
-   |
-   = note: see issue #91611 <https://github.com/rust-lang/rust/issues/91611> for more information
-   = note: `#[warn(incomplete_features)]` on by default
-
 error: parenthesized generic arguments cannot be used in associated type constraints
-  --> $DIR/feature-gate-return_type_notation.rs:15:17
+  --> $DIR/feature-gate-return_type_notation.rs:14:17
    |
 LL | fn foo<T: Trait<m(): Send>>() {}
    |                 ^--
@@ -25,12 +16,12 @@ LL | fn foo<T: Trait<m(): Send>>() {}
    |                  help: remove these parentheses
 
 error[E0220]: associated type `m` not found for `Trait`
-  --> $DIR/feature-gate-return_type_notation.rs:15:17
+  --> $DIR/feature-gate-return_type_notation.rs:14:17
    |
 LL | fn foo<T: Trait<m(): Send>>() {}
    |                 ^ associated type `m` not found
 
-error: aborting due to 3 previous errors; 1 warning emitted
+error: aborting due to 3 previous errors
 
 Some errors have detailed explanations: E0220, E0658.
 For more information about an error, try `rustc --explain E0220`.
diff --git a/tests/ui/feature-gates/feature-gate-return_type_notation.no.stderr b/tests/ui/feature-gates/feature-gate-return_type_notation.no.stderr
index 52c90c1565c..dd6ebb61038 100644
--- a/tests/ui/feature-gates/feature-gate-return_type_notation.no.stderr
+++ b/tests/ui/feature-gates/feature-gate-return_type_notation.no.stderr
@@ -1,14 +1,5 @@
-warning: the feature `async_fn_in_trait` is incomplete and may not be safe to use and/or cause compiler crashes
-  --> $DIR/feature-gate-return_type_notation.rs:7:12
-   |
-LL | #![feature(async_fn_in_trait)]
-   |            ^^^^^^^^^^^^^^^^^
-   |
-   = note: see issue #91611 <https://github.com/rust-lang/rust/issues/91611> for more information
-   = note: `#[warn(incomplete_features)]` on by default
-
 warning: return type notation is experimental
-  --> $DIR/feature-gate-return_type_notation.rs:15:17
+  --> $DIR/feature-gate-return_type_notation.rs:14:17
    |
 LL | fn foo<T: Trait<m(): Send>>() {}
    |                 ^^^^^^^^^
@@ -18,5 +9,5 @@ LL | fn foo<T: Trait<m(): Send>>() {}
    = warning: unstable syntax can change at any point in the future, causing a hard error!
    = note: for more information, see issue #65860 <https://github.com/rust-lang/rust/issues/65860>
 
-warning: 2 warnings emitted
+warning: 1 warning emitted
 
diff --git a/tests/ui/feature-gates/feature-gate-return_type_notation.rs b/tests/ui/feature-gates/feature-gate-return_type_notation.rs
index 5028b9ec9e3..d9bcb65feba 100644
--- a/tests/ui/feature-gates/feature-gate-return_type_notation.rs
+++ b/tests/ui/feature-gates/feature-gate-return_type_notation.rs
@@ -5,7 +5,6 @@
 // Since we're not adding new syntax, `cfg`'d out RTN must pass.
 
 #![feature(async_fn_in_trait)]
-//~^ WARN the feature `async_fn_in_trait` is incomplete
 
 trait Trait {
     async fn m();
diff --git a/tests/ui/unwind-abis/feature-gate-thiscall-unwind.rs b/tests/ui/feature-gates/feature-gate-thiscall.rs
index 0a323e50fcf..97a732bcff7 100644
--- a/tests/ui/unwind-abis/feature-gate-thiscall-unwind.rs
+++ b/tests/ui/feature-gates/feature-gate-thiscall.rs
@@ -1,5 +1,4 @@
 // gate-test-abi_thiscall
-// gate-test-c_unwind
 // needs-llvm-components: x86
 // compile-flags: --target=i686-pc-windows-msvc --crate-type=rlib
 #![no_core]
@@ -7,8 +6,8 @@
 #[lang="sized"]
 trait Sized { }
 
-// Test that the "thiscall-unwind" ABI is feature-gated, and cannot be used when
-// the `c_unwind` feature gate is not used.
+// Test that the "thiscall" ABI is feature-gated, and cannot be used when
+// the `abi_thiscall` feature gate is not used.
 
 extern "thiscall-unwind" fn fu() {} //~ ERROR thiscall-unwind ABI is experimental
 extern "thiscall" fn f() {} //~ ERROR thiscall is experimental
diff --git a/tests/ui/unwind-abis/feature-gate-thiscall-unwind.stderr b/tests/ui/feature-gates/feature-gate-thiscall.stderr
index 9ca00a55cd8..346e45952cd 100644
--- a/tests/ui/unwind-abis/feature-gate-thiscall-unwind.stderr
+++ b/tests/ui/feature-gates/feature-gate-thiscall.stderr
@@ -1,14 +1,13 @@
 error[E0658]: thiscall-unwind ABI is experimental and subject to change
-  --> $DIR/feature-gate-thiscall-unwind.rs:13:8
+  --> $DIR/feature-gate-thiscall.rs:12:8
    |
 LL | extern "thiscall-unwind" fn fu() {}
    |        ^^^^^^^^^^^^^^^^^
    |
-   = note: see issue #74990 <https://github.com/rust-lang/rust/issues/74990> for more information
-   = help: add `#![feature(c_unwind)]` to the crate attributes to enable
+   = help: add `#![feature(abi_thiscall)]` to the crate attributes to enable
 
 error[E0658]: thiscall is experimental and subject to change
-  --> $DIR/feature-gate-thiscall-unwind.rs:14:8
+  --> $DIR/feature-gate-thiscall.rs:13:8
    |
 LL | extern "thiscall" fn f() {}
    |        ^^^^^^^^^^
@@ -16,7 +15,7 @@ LL | extern "thiscall" fn f() {}
    = help: add `#![feature(abi_thiscall)]` to the crate attributes to enable
 
 error[E0658]: thiscall is experimental and subject to change
-  --> $DIR/feature-gate-thiscall-unwind.rs:17:12
+  --> $DIR/feature-gate-thiscall.rs:16:12
    |
 LL |     extern "thiscall" fn m();
    |            ^^^^^^^^^^
@@ -24,16 +23,15 @@ LL |     extern "thiscall" fn m();
    = help: add `#![feature(abi_thiscall)]` to the crate attributes to enable
 
 error[E0658]: thiscall-unwind ABI is experimental and subject to change
-  --> $DIR/feature-gate-thiscall-unwind.rs:18:12
+  --> $DIR/feature-gate-thiscall.rs:17:12
    |
 LL |     extern "thiscall-unwind" fn mu();
    |            ^^^^^^^^^^^^^^^^^
    |
-   = note: see issue #74990 <https://github.com/rust-lang/rust/issues/74990> for more information
-   = help: add `#![feature(c_unwind)]` to the crate attributes to enable
+   = help: add `#![feature(abi_thiscall)]` to the crate attributes to enable
 
 error[E0658]: thiscall is experimental and subject to change
-  --> $DIR/feature-gate-thiscall-unwind.rs:20:12
+  --> $DIR/feature-gate-thiscall.rs:19:12
    |
 LL |     extern "thiscall" fn dm() {}
    |            ^^^^^^^^^^
@@ -41,16 +39,15 @@ LL |     extern "thiscall" fn dm() {}
    = help: add `#![feature(abi_thiscall)]` to the crate attributes to enable
 
 error[E0658]: thiscall-unwind ABI is experimental and subject to change
-  --> $DIR/feature-gate-thiscall-unwind.rs:21:12
+  --> $DIR/feature-gate-thiscall.rs:20:12
    |
 LL |     extern "thiscall-unwind" fn dmu() {}
    |            ^^^^^^^^^^^^^^^^^
    |
-   = note: see issue #74990 <https://github.com/rust-lang/rust/issues/74990> for more information
-   = help: add `#![feature(c_unwind)]` to the crate attributes to enable
+   = help: add `#![feature(abi_thiscall)]` to the crate attributes to enable
 
 error[E0658]: thiscall is experimental and subject to change
-  --> $DIR/feature-gate-thiscall-unwind.rs:26:12
+  --> $DIR/feature-gate-thiscall.rs:25:12
    |
 LL |     extern "thiscall" fn m() {}
    |            ^^^^^^^^^^
@@ -58,16 +55,15 @@ LL |     extern "thiscall" fn m() {}
    = help: add `#![feature(abi_thiscall)]` to the crate attributes to enable
 
 error[E0658]: thiscall-unwind ABI is experimental and subject to change
-  --> $DIR/feature-gate-thiscall-unwind.rs:27:12
+  --> $DIR/feature-gate-thiscall.rs:26:12
    |
 LL |     extern "thiscall-unwind" fn mu() {}
    |            ^^^^^^^^^^^^^^^^^
    |
-   = note: see issue #74990 <https://github.com/rust-lang/rust/issues/74990> for more information
-   = help: add `#![feature(c_unwind)]` to the crate attributes to enable
+   = help: add `#![feature(abi_thiscall)]` to the crate attributes to enable
 
 error[E0658]: thiscall is experimental and subject to change
-  --> $DIR/feature-gate-thiscall-unwind.rs:31:12
+  --> $DIR/feature-gate-thiscall.rs:30:12
    |
 LL |     extern "thiscall" fn im() {}
    |            ^^^^^^^^^^
@@ -75,16 +71,15 @@ LL |     extern "thiscall" fn im() {}
    = help: add `#![feature(abi_thiscall)]` to the crate attributes to enable
 
 error[E0658]: thiscall-unwind ABI is experimental and subject to change
-  --> $DIR/feature-gate-thiscall-unwind.rs:32:12
+  --> $DIR/feature-gate-thiscall.rs:31:12
    |
 LL |     extern "thiscall-unwind" fn imu() {}
    |            ^^^^^^^^^^^^^^^^^
    |
-   = note: see issue #74990 <https://github.com/rust-lang/rust/issues/74990> for more information
-   = help: add `#![feature(c_unwind)]` to the crate attributes to enable
+   = help: add `#![feature(abi_thiscall)]` to the crate attributes to enable
 
 error[E0658]: thiscall is experimental and subject to change
-  --> $DIR/feature-gate-thiscall-unwind.rs:35:18
+  --> $DIR/feature-gate-thiscall.rs:34:18
    |
 LL | type TA = extern "thiscall" fn();
    |                  ^^^^^^^^^^
@@ -92,16 +87,15 @@ LL | type TA = extern "thiscall" fn();
    = help: add `#![feature(abi_thiscall)]` to the crate attributes to enable
 
 error[E0658]: thiscall-unwind ABI is experimental and subject to change
-  --> $DIR/feature-gate-thiscall-unwind.rs:36:19
+  --> $DIR/feature-gate-thiscall.rs:35:19
    |
 LL | type TAU = extern "thiscall-unwind" fn();
    |                   ^^^^^^^^^^^^^^^^^
    |
-   = note: see issue #74990 <https://github.com/rust-lang/rust/issues/74990> for more information
-   = help: add `#![feature(c_unwind)]` to the crate attributes to enable
+   = help: add `#![feature(abi_thiscall)]` to the crate attributes to enable
 
 error[E0658]: thiscall is experimental and subject to change
-  --> $DIR/feature-gate-thiscall-unwind.rs:38:8
+  --> $DIR/feature-gate-thiscall.rs:37:8
    |
 LL | extern "thiscall" {}
    |        ^^^^^^^^^^
@@ -109,13 +103,12 @@ LL | extern "thiscall" {}
    = help: add `#![feature(abi_thiscall)]` to the crate attributes to enable
 
 error[E0658]: thiscall-unwind ABI is experimental and subject to change
-  --> $DIR/feature-gate-thiscall-unwind.rs:39:8
+  --> $DIR/feature-gate-thiscall.rs:38:8
    |
 LL | extern "thiscall-unwind" {}
    |        ^^^^^^^^^^^^^^^^^
    |
-   = note: see issue #74990 <https://github.com/rust-lang/rust/issues/74990> for more information
-   = help: add `#![feature(c_unwind)]` to the crate attributes to enable
+   = help: add `#![feature(abi_thiscall)]` to the crate attributes to enable
 
 error: aborting due to 14 previous errors
 
diff --git a/tests/ui/feature-gates/feature-gate-type_ascription.rs b/tests/ui/feature-gates/feature-gate-type_ascription.rs
index 7a597157300..5c3f0e37df6 100644
--- a/tests/ui/feature-gates/feature-gate-type_ascription.rs
+++ b/tests/ui/feature-gates/feature-gate-type_ascription.rs
@@ -1,5 +1,5 @@
 // Type ascription is unstable
 
 fn main() {
-    let a = 10: u8; //~ ERROR type ascription is experimental
+    let a = type_ascribe!(10, u8); //~ ERROR use of unstable library feature 'type_ascription': placeholder syntax for type ascription
 }
diff --git a/tests/ui/feature-gates/feature-gate-type_ascription.stderr b/tests/ui/feature-gates/feature-gate-type_ascription.stderr
index 615d5b9a1e0..d747aea6d17 100644
--- a/tests/ui/feature-gates/feature-gate-type_ascription.stderr
+++ b/tests/ui/feature-gates/feature-gate-type_ascription.stderr
@@ -1,8 +1,8 @@
-error[E0658]: type ascription is experimental
+error[E0658]: use of unstable library feature 'type_ascription': placeholder syntax for type ascription
   --> $DIR/feature-gate-type_ascription.rs:4:13
    |
-LL |     let a = 10: u8;
-   |             ^^^^^^
+LL |     let a = type_ascribe!(10, u8);
+   |             ^^^^^^^^^^^^
    |
    = note: see issue #23416 <https://github.com/rust-lang/rust/issues/23416> for more information
    = help: add `#![feature(type_ascription)]` to the crate attributes to enable
diff --git a/tests/ui/feature-gates/feature-gate-unsafe_pin_internals.rs b/tests/ui/feature-gates/feature-gate-unsafe_pin_internals.rs
index 0680d234403..dce94c9eab2 100644
--- a/tests/ui/feature-gates/feature-gate-unsafe_pin_internals.rs
+++ b/tests/ui/feature-gates/feature-gate-unsafe_pin_internals.rs
@@ -13,5 +13,4 @@ fn non_unsafe_pin_new_unchecked<T>(pointer: &mut T) -> Pin<&mut T> {
 fn main() {
     let mut self_referential = PhantomPinned;
     let _: Pin<&mut PhantomPinned> = non_unsafe_pin_new_unchecked(&mut self_referential);
-    core::mem::forget(self_referential); // move and disable drop glue!
 }
diff --git a/tests/ui/feature-gates/feature-gate-vectorcall.rs b/tests/ui/feature-gates/feature-gate-vectorcall.rs
index 5a6c6d28804..706780dfd6c 100644
--- a/tests/ui/feature-gates/feature-gate-vectorcall.rs
+++ b/tests/ui/feature-gates/feature-gate-vectorcall.rs
@@ -6,8 +6,8 @@
 #[lang="sized"]
 trait Sized { }
 
-// Test that the "vectorcall-unwind" ABI is feature-gated, and cannot be used when
-// the `c_unwind` feature gate is not used.
+// Test that the "vectorcall" ABI is feature-gated, and cannot be used when
+// the `vectorcall` feature gate is not used.
 
 extern "vectorcall" fn f() {} //~ ERROR vectorcall is experimental
 
diff --git a/tests/ui/fmt/format-string-error.rs b/tests/ui/fmt/format-string-error.rs
index eae4f3cb547..9b436e2c479 100644
--- a/tests/ui/fmt/format-string-error.rs
+++ b/tests/ui/fmt/format-string-error.rs
@@ -17,7 +17,7 @@ fn main() {
     let _ = format!("}");
     //~^ ERROR invalid format string: unmatched `}` found
     let _ = format!("{\\}");
-    //~^ ERROR invalid format string: expected `'}'`, found `'\\'`
+    //~^ ERROR invalid format string: expected `'}'`, found `'\'`
     let _ = format!("\n\n\n{\n\n\n");
     //~^ ERROR invalid format string
     let _ = format!(r###"
diff --git a/tests/ui/fmt/ifmt-unimpl.stderr b/tests/ui/fmt/ifmt-unimpl.stderr
index cc316e55f5c..b0dddd3b1e8 100644
--- a/tests/ui/fmt/ifmt-unimpl.stderr
+++ b/tests/ui/fmt/ifmt-unimpl.stderr
@@ -15,7 +15,7 @@ LL |     format!("{:X}", "3");
              NonZeroI64
              NonZeroI8
              NonZeroIsize
-           and 21 others
+           and 20 others
    = note: required for `&str` to implement `UpperHex`
 note: required by a bound in `core::fmt::rt::Argument::<'a>::new_upper_hex`
   --> $SRC_DIR/core/src/fmt/rt.rs:LL:COL
diff --git a/tests/ui/fmt/send-sync.stderr b/tests/ui/fmt/send-sync.stderr
index b517a342e63..e3ebe6cdcb8 100644
--- a/tests/ui/fmt/send-sync.stderr
+++ b/tests/ui/fmt/send-sync.stderr
@@ -8,10 +8,12 @@ LL |     send(format_args!("{:?}", c));
    |
    = help: within `[core::fmt::rt::Argument<'_>]`, the trait `Sync` is not implemented for `core::fmt::rt::Opaque`
    = note: required because it appears within the type `&core::fmt::rt::Opaque`
-   = note: required because it appears within the type `Argument<'_>`
+note: required because it appears within the type `Argument<'_>`
+  --> $SRC_DIR/core/src/fmt/rt.rs:LL:COL
    = note: required because it appears within the type `[Argument<'_>]`
    = note: required for `&[core::fmt::rt::Argument<'_>]` to implement `Send`
-   = note: required because it appears within the type `Arguments<'_>`
+note: required because it appears within the type `Arguments<'_>`
+  --> $SRC_DIR/core/src/fmt/mod.rs:LL:COL
 note: required by a bound in `send`
   --> $DIR/send-sync.rs:1:12
    |
@@ -28,10 +30,12 @@ LL |     sync(format_args!("{:?}", c));
    |
    = help: within `Arguments<'_>`, the trait `Sync` is not implemented for `core::fmt::rt::Opaque`
    = note: required because it appears within the type `&core::fmt::rt::Opaque`
-   = note: required because it appears within the type `Argument<'_>`
+note: required because it appears within the type `Argument<'_>`
+  --> $SRC_DIR/core/src/fmt/rt.rs:LL:COL
    = note: required because it appears within the type `[Argument<'_>]`
    = note: required because it appears within the type `&[Argument<'_>]`
-   = note: required because it appears within the type `Arguments<'_>`
+note: required because it appears within the type `Arguments<'_>`
+  --> $SRC_DIR/core/src/fmt/mod.rs:LL:COL
 note: required by a bound in `sync`
   --> $DIR/send-sync.rs:2:12
    |
diff --git a/tests/ui/issues/issue-3099.rs b/tests/ui/fn/issue-3099.rs
index ee75b359388..ee75b359388 100644
--- a/tests/ui/issues/issue-3099.rs
+++ b/tests/ui/fn/issue-3099.rs
diff --git a/tests/ui/issues/issue-3099.stderr b/tests/ui/fn/issue-3099.stderr
index 32ee2e1d207..32ee2e1d207 100644
--- a/tests/ui/issues/issue-3099.stderr
+++ b/tests/ui/fn/issue-3099.stderr
diff --git a/tests/ui/generator/borrowing.stderr b/tests/ui/generator/borrowing.stderr
deleted file mode 100644
index 96e3c327f8b..00000000000
--- a/tests/ui/generator/borrowing.stderr
+++ /dev/null
@@ -1,31 +0,0 @@
-error[E0597]: `a` does not live long enough
-  --> $DIR/borrowing.rs:13:33
-   |
-LL |     let _b = {
-   |         -- borrow later stored here
-LL |         let a = 3;
-LL |         Pin::new(&mut || yield &a).resume(())
-   |                       --        ^ borrowed value does not live long enough
-   |                       |
-   |                       value captured here by generator
-LL |
-LL |     };
-   |     - `a` dropped here while still borrowed
-
-error[E0597]: `a` does not live long enough
-  --> $DIR/borrowing.rs:20:20
-   |
-LL |     let _b = {
-   |         -- borrow later stored here
-LL |         let a = 3;
-LL |         || {
-   |         -- value captured here by generator
-LL |             yield &a
-   |                    ^ borrowed value does not live long enough
-...
-LL |     };
-   |     - `a` dropped here while still borrowed
-
-error: aborting due to 2 previous errors
-
-For more information about this error, try `rustc --explain E0597`.
diff --git a/tests/ui/generator/drop-env.rs b/tests/ui/generator/drop-env.rs
index 66dfb8c2c09..cb46953dac3 100644
--- a/tests/ui/generator/drop-env.rs
+++ b/tests/ui/generator/drop-env.rs
@@ -4,6 +4,7 @@
 //[nomiropt]compile-flags: -Z mir-opt-level=0
 
 #![feature(generators, generator_trait)]
+#![allow(drop_copy)]
 
 use std::ops::Generator;
 use std::pin::Pin;
diff --git a/tests/ui/generator/drop-tracking-error-body.rs b/tests/ui/generator/drop-tracking-error-body.rs
new file mode 100644
index 00000000000..f99d9ab6bf8
--- /dev/null
+++ b/tests/ui/generator/drop-tracking-error-body.rs
@@ -0,0 +1,18 @@
+// compile-flags: -Zdrop-tracking-mir --edition=2021
+
+#![feature(generators)]
+
+pub async fn async_bad_body() {
+    match true {} //~ ERROR non-exhaustive patterns: type `bool` is non-empty
+}
+
+pub fn generator_bad_body() {
+    || {
+        // 'non-exhaustive pattern' only seems to be reported once, so this annotation doesn't work
+        // keep the function around so we can make sure it doesn't ICE
+        match true {}; // ERROR non-exhaustive patterns: type `bool` is non-empty
+        yield ();
+    };
+}
+
+fn main() {}
diff --git a/tests/ui/generator/drop-tracking-error-body.stderr b/tests/ui/generator/drop-tracking-error-body.stderr
new file mode 100644
index 00000000000..28a6892336f
--- /dev/null
+++ b/tests/ui/generator/drop-tracking-error-body.stderr
@@ -0,0 +1,17 @@
+error[E0004]: non-exhaustive patterns: type `bool` is non-empty
+  --> $DIR/drop-tracking-error-body.rs:6:11
+   |
+LL |     match true {}
+   |           ^^^^
+   |
+   = note: the matched value is of type `bool`
+help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern as shown
+   |
+LL ~     match true {
+LL +         _ => todo!(),
+LL ~     }
+   |
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0004`.
diff --git a/tests/ui/generator/issue-57017.no_drop_tracking.stderr b/tests/ui/generator/issue-57017.no_drop_tracking.stderr
index 06d2d23b9ef..f7b8e198cc4 100644
--- a/tests/ui/generator/issue-57017.no_drop_tracking.stderr
+++ b/tests/ui/generator/issue-57017.no_drop_tracking.stderr
@@ -1,5 +1,5 @@
 error: generator cannot be sent between threads safely
-  --> $DIR/issue-57017.rs:31:25
+  --> $DIR/issue-57017.rs:32:25
    |
 LL |               assert_send(g);
    |                           ^ generator is not `Send`
@@ -15,7 +15,7 @@ LL | |     );
    |
    = help: the trait `Sync` is not implemented for `copy::unsync::Client`
 note: generator is not `Send` as this value is used across a yield
-  --> $DIR/issue-57017.rs:29:28
+  --> $DIR/issue-57017.rs:30:28
    |
 LL |               let g = move || match drop(&$name::unsync::Client::default()) {
    |                                          --------------------------------- has type `&copy::unsync::Client` which is not `Send`
@@ -33,14 +33,14 @@ LL | |         }
 LL | |     );
    | |_____- in this macro invocation
 note: required by a bound in `assert_send`
-  --> $DIR/issue-57017.rs:51:19
+  --> $DIR/issue-57017.rs:52:19
    |
 LL | fn assert_send<T: Send>(_thing: T) {}
    |                   ^^^^ required by this bound in `assert_send`
    = note: this error originates in the macro `type_combinations` (in Nightly builds, run with -Z macro-backtrace for more info)
 
 error: generator cannot be sent between threads safely
-  --> $DIR/issue-57017.rs:43:25
+  --> $DIR/issue-57017.rs:44:25
    |
 LL |               assert_send(g);
    |                           ^ generator is not `Send`
@@ -54,9 +54,9 @@ LL | |         }
 LL | |     );
    | |_____- in this macro invocation
    |
-   = help: within `[generator@$DIR/issue-57017.rs:40:21: 40:28]`, the trait `Send` is not implemented for `copy::unsend::Client`
+   = help: within `[generator@$DIR/issue-57017.rs:41:21: 41:28]`, the trait `Send` is not implemented for `copy::unsend::Client`
 note: generator is not `Send` as this value is used across a yield
-  --> $DIR/issue-57017.rs:41:28
+  --> $DIR/issue-57017.rs:42:28
    |
 LL |               let g = move || match drop($name::unsend::Client::default()) {
    |                                          -------------------------------- has type `copy::unsend::Client` which is not `Send`
@@ -74,14 +74,14 @@ LL | |         }
 LL | |     );
    | |_____- in this macro invocation
 note: required by a bound in `assert_send`
-  --> $DIR/issue-57017.rs:51:19
+  --> $DIR/issue-57017.rs:52:19
    |
 LL | fn assert_send<T: Send>(_thing: T) {}
    |                   ^^^^ required by this bound in `assert_send`
    = note: this error originates in the macro `type_combinations` (in Nightly builds, run with -Z macro-backtrace for more info)
 
 error: generator cannot be sent between threads safely
-  --> $DIR/issue-57017.rs:31:25
+  --> $DIR/issue-57017.rs:32:25
    |
 LL |               assert_send(g);
    |                           ^ generator is not `Send`
@@ -97,7 +97,7 @@ LL | |     );
    |
    = help: the trait `Sync` is not implemented for `derived_drop::unsync::Client`
 note: generator is not `Send` as this value is used across a yield
-  --> $DIR/issue-57017.rs:29:28
+  --> $DIR/issue-57017.rs:30:28
    |
 LL |               let g = move || match drop(&$name::unsync::Client::default()) {
    |                                          --------------------------------- has type `&derived_drop::unsync::Client` which is not `Send`
@@ -115,14 +115,14 @@ LL | |         }
 LL | |     );
    | |_____- in this macro invocation
 note: required by a bound in `assert_send`
-  --> $DIR/issue-57017.rs:51:19
+  --> $DIR/issue-57017.rs:52:19
    |
 LL | fn assert_send<T: Send>(_thing: T) {}
    |                   ^^^^ required by this bound in `assert_send`
    = note: this error originates in the macro `type_combinations` (in Nightly builds, run with -Z macro-backtrace for more info)
 
 error: generator cannot be sent between threads safely
-  --> $DIR/issue-57017.rs:43:25
+  --> $DIR/issue-57017.rs:44:25
    |
 LL |               assert_send(g);
    |                           ^ generator is not `Send`
@@ -136,9 +136,9 @@ LL | |         }
 LL | |     );
    | |_____- in this macro invocation
    |
-   = help: within `[generator@$DIR/issue-57017.rs:40:21: 40:28]`, the trait `Send` is not implemented for `derived_drop::unsend::Client`
+   = help: within `[generator@$DIR/issue-57017.rs:41:21: 41:28]`, the trait `Send` is not implemented for `derived_drop::unsend::Client`
 note: generator is not `Send` as this value is used across a yield
-  --> $DIR/issue-57017.rs:41:28
+  --> $DIR/issue-57017.rs:42:28
    |
 LL |               let g = move || match drop($name::unsend::Client::default()) {
    |                                          -------------------------------- has type `derived_drop::unsend::Client` which is not `Send`
@@ -156,14 +156,14 @@ LL | |         }
 LL | |     );
    | |_____- in this macro invocation
 note: required by a bound in `assert_send`
-  --> $DIR/issue-57017.rs:51:19
+  --> $DIR/issue-57017.rs:52:19
    |
 LL | fn assert_send<T: Send>(_thing: T) {}
    |                   ^^^^ required by this bound in `assert_send`
    = note: this error originates in the macro `type_combinations` (in Nightly builds, run with -Z macro-backtrace for more info)
 
 error: generator cannot be sent between threads safely
-  --> $DIR/issue-57017.rs:31:25
+  --> $DIR/issue-57017.rs:32:25
    |
 LL |               assert_send(g);
    |                           ^ generator is not `Send`
@@ -179,7 +179,7 @@ LL | |     );
    |
    = help: the trait `Sync` is not implemented for `significant_drop::unsync::Client`
 note: generator is not `Send` as this value is used across a yield
-  --> $DIR/issue-57017.rs:29:28
+  --> $DIR/issue-57017.rs:30:28
    |
 LL |               let g = move || match drop(&$name::unsync::Client::default()) {
    |                                          --------------------------------- has type `&significant_drop::unsync::Client` which is not `Send`
@@ -197,14 +197,14 @@ LL | |         }
 LL | |     );
    | |_____- in this macro invocation
 note: required by a bound in `assert_send`
-  --> $DIR/issue-57017.rs:51:19
+  --> $DIR/issue-57017.rs:52:19
    |
 LL | fn assert_send<T: Send>(_thing: T) {}
    |                   ^^^^ required by this bound in `assert_send`
    = note: this error originates in the macro `type_combinations` (in Nightly builds, run with -Z macro-backtrace for more info)
 
 error: generator cannot be sent between threads safely
-  --> $DIR/issue-57017.rs:43:25
+  --> $DIR/issue-57017.rs:44:25
    |
 LL |               assert_send(g);
    |                           ^ generator is not `Send`
@@ -218,9 +218,9 @@ LL | |         }
 LL | |     );
    | |_____- in this macro invocation
    |
-   = help: within `[generator@$DIR/issue-57017.rs:40:21: 40:28]`, the trait `Send` is not implemented for `significant_drop::unsend::Client`
+   = help: within `[generator@$DIR/issue-57017.rs:41:21: 41:28]`, the trait `Send` is not implemented for `significant_drop::unsend::Client`
 note: generator is not `Send` as this value is used across a yield
-  --> $DIR/issue-57017.rs:41:28
+  --> $DIR/issue-57017.rs:42:28
    |
 LL |               let g = move || match drop($name::unsend::Client::default()) {
    |                                          -------------------------------- has type `significant_drop::unsend::Client` which is not `Send`
@@ -238,7 +238,7 @@ LL | |         }
 LL | |     );
    | |_____- in this macro invocation
 note: required by a bound in `assert_send`
-  --> $DIR/issue-57017.rs:51:19
+  --> $DIR/issue-57017.rs:52:19
    |
 LL | fn assert_send<T: Send>(_thing: T) {}
    |                   ^^^^ required by this bound in `assert_send`
diff --git a/tests/ui/generator/issue-57017.rs b/tests/ui/generator/issue-57017.rs
index 03b00ac99ad..918d233bf4e 100644
--- a/tests/ui/generator/issue-57017.rs
+++ b/tests/ui/generator/issue-57017.rs
@@ -5,6 +5,7 @@
 // [drop_tracking_mir] build-pass
 
 #![feature(generators, negative_impls)]
+#![allow(drop_ref, drop_copy)]
 
 macro_rules! type_combinations {
     (
diff --git a/tests/ui/generator/non-static-is-unpin.rs b/tests/ui/generator/non-static-is-unpin.rs
index 17e23f5bcd2..adba800e25a 100644
--- a/tests/ui/generator/non-static-is-unpin.rs
+++ b/tests/ui/generator/non-static-is-unpin.rs
@@ -3,6 +3,7 @@
 // run-pass
 
 #![feature(generators, generator_trait)]
+#![allow(drop_copy)]
 
 use std::marker::{PhantomPinned, Unpin};
 
diff --git a/tests/ui/generator/resume-arg-size.rs b/tests/ui/generator/resume-arg-size.rs
index b93dc54f7a9..19618f8d0aa 100644
--- a/tests/ui/generator/resume-arg-size.rs
+++ b/tests/ui/generator/resume-arg-size.rs
@@ -1,4 +1,5 @@
 #![feature(generators)]
+#![allow(drop_copy)]
 
 // run-pass
 
diff --git a/tests/ui/generator/retain-resume-ref.stderr b/tests/ui/generator/retain-resume-ref.stderr
deleted file mode 100644
index 7122a951e80..00000000000
--- a/tests/ui/generator/retain-resume-ref.stderr
+++ /dev/null
@@ -1,13 +0,0 @@
-error[E0499]: cannot borrow `thing` as mutable more than once at a time
-  --> $DIR/retain-resume-ref.rs:27:25
-   |
-LL |     gen.as_mut().resume(&mut thing);
-   |                         ---------- first mutable borrow occurs here
-LL |     gen.as_mut().resume(&mut thing);
-   |                  ------ ^^^^^^^^^^ second mutable borrow occurs here
-   |                  |
-   |                  first borrow later used by call
-
-error: aborting due to previous error
-
-For more information about this error, try `rustc --explain E0499`.
diff --git a/tests/ui/generator/unresolved-ct-var-drop-tracking.stderr b/tests/ui/generator/unresolved-ct-var-drop-tracking.stderr
index 9e1fed54c54..dec0141ab67 100644
--- a/tests/ui/generator/unresolved-ct-var-drop-tracking.stderr
+++ b/tests/ui/generator/unresolved-ct-var-drop-tracking.stderr
@@ -1,10 +1,10 @@
 error[E0277]: `[(); _]` is not a future
-  --> $DIR/unresolved-ct-var-drop-tracking.rs:7:44
+  --> $DIR/unresolved-ct-var-drop-tracking.rs:7:45
    |
 LL |         let s = std::array::from_fn(|_| ()).await;
-   |                 ---------------------------^^^^^^
-   |                 |                          |
-   |                 |                          `[(); _]` is not a future
+   |                 ----------------------------^^^^^
+   |                 |                          ||
+   |                 |                          |`[(); _]` is not a future
    |                 |                          help: remove the `.await`
    |                 this call returns `[(); _]`
    |
@@ -19,10 +19,10 @@ LL |         let s = std::array::from_fn(|_| ()).await;
    |                 ^^^^^^^^^^^^^^^^^^^ cannot infer the value of const parameter `N` declared on the function `from_fn`
    |
 note: the type is part of the `async` block because of this `await`
-  --> $DIR/unresolved-ct-var-drop-tracking.rs:7:44
+  --> $DIR/unresolved-ct-var-drop-tracking.rs:7:45
    |
 LL |         let s = std::array::from_fn(|_| ()).await;
-   |                                            ^^^^^^
+   |                                             ^^^^^
 
 error[E0698]: type inside `async` block must be known in this context
   --> $DIR/unresolved-ct-var-drop-tracking.rs:7:17
@@ -31,10 +31,10 @@ LL |         let s = std::array::from_fn(|_| ()).await;
    |                 ^^^^^^^^^^^^^^^^^^^ cannot infer the value of const parameter `N` declared on the function `from_fn`
    |
 note: the type is part of the `async` block because of this `await`
-  --> $DIR/unresolved-ct-var-drop-tracking.rs:7:44
+  --> $DIR/unresolved-ct-var-drop-tracking.rs:7:45
    |
 LL |         let s = std::array::from_fn(|_| ()).await;
-   |                                            ^^^^^^
+   |                                             ^^^^^
 
 error[E0698]: type inside `async` block must be known in this context
   --> $DIR/unresolved-ct-var-drop-tracking.rs:7:17
@@ -43,10 +43,10 @@ LL |         let s = std::array::from_fn(|_| ()).await;
    |                 ^^^^^^^^^^^^^^^^^^^ cannot infer the value of const parameter `N` declared on the function `from_fn`
    |
 note: the type is part of the `async` block because of this `await`
-  --> $DIR/unresolved-ct-var-drop-tracking.rs:7:44
+  --> $DIR/unresolved-ct-var-drop-tracking.rs:7:45
    |
 LL |         let s = std::array::from_fn(|_| ()).await;
-   |                                            ^^^^^^
+   |                                             ^^^^^
 
 error[E0698]: type inside `async` block must be known in this context
   --> $DIR/unresolved-ct-var-drop-tracking.rs:7:17
@@ -55,10 +55,10 @@ LL |         let s = std::array::from_fn(|_| ()).await;
    |                 ^^^^^^^^^^^^^^^^^^^ cannot infer the value of const parameter `N` declared on the function `from_fn`
    |
 note: the type is part of the `async` block because of this `await`
-  --> $DIR/unresolved-ct-var-drop-tracking.rs:7:44
+  --> $DIR/unresolved-ct-var-drop-tracking.rs:7:45
    |
 LL |         let s = std::array::from_fn(|_| ()).await;
-   |                                            ^^^^^^
+   |                                             ^^^^^
 
 error[E0698]: type inside `async` block must be known in this context
   --> $DIR/unresolved-ct-var-drop-tracking.rs:7:17
@@ -67,10 +67,10 @@ LL |         let s = std::array::from_fn(|_| ()).await;
    |                 ^^^^^^^^^^^^^^^^^^^ cannot infer the value of const parameter `N` declared on the function `from_fn`
    |
 note: the type is part of the `async` block because of this `await`
-  --> $DIR/unresolved-ct-var-drop-tracking.rs:7:44
+  --> $DIR/unresolved-ct-var-drop-tracking.rs:7:45
    |
 LL |         let s = std::array::from_fn(|_| ()).await;
-   |                                            ^^^^^^
+   |                                             ^^^^^
 
 error: aborting due to 6 previous errors
 
diff --git a/tests/ui/generator/unresolved-ct-var.stderr b/tests/ui/generator/unresolved-ct-var.stderr
index fdf00dfad7a..ace254178b7 100644
--- a/tests/ui/generator/unresolved-ct-var.stderr
+++ b/tests/ui/generator/unresolved-ct-var.stderr
@@ -1,10 +1,10 @@
 error[E0277]: `[(); _]` is not a future
-  --> $DIR/unresolved-ct-var.rs:6:44
+  --> $DIR/unresolved-ct-var.rs:6:45
    |
 LL |         let s = std::array::from_fn(|_| ()).await;
-   |                 ---------------------------^^^^^^
-   |                 |                          |
-   |                 |                          `[(); _]` is not a future
+   |                 ----------------------------^^^^^
+   |                 |                          ||
+   |                 |                          |`[(); _]` is not a future
    |                 |                          help: remove the `.await`
    |                 this call returns `[(); _]`
    |
@@ -19,10 +19,10 @@ LL |         let s = std::array::from_fn(|_| ()).await;
    |                 ^^^^^^^^^^^^^^^^^^^ cannot infer the value of const parameter `N` declared on the function `from_fn`
    |
 note: the type is part of the `async` block because of this `await`
-  --> $DIR/unresolved-ct-var.rs:6:44
+  --> $DIR/unresolved-ct-var.rs:6:45
    |
 LL |         let s = std::array::from_fn(|_| ()).await;
-   |                                            ^^^^^^
+   |                                             ^^^^^
 
 error[E0698]: type inside `async` block must be known in this context
   --> $DIR/unresolved-ct-var.rs:6:17
@@ -31,10 +31,10 @@ LL |         let s = std::array::from_fn(|_| ()).await;
    |                 ^^^^^^^^^^^^^^^^^^^ cannot infer the value of const parameter `N` declared on the function `from_fn`
    |
 note: the type is part of the `async` block because of this `await`
-  --> $DIR/unresolved-ct-var.rs:6:44
+  --> $DIR/unresolved-ct-var.rs:6:45
    |
 LL |         let s = std::array::from_fn(|_| ()).await;
-   |                                            ^^^^^^
+   |                                             ^^^^^
 
 error[E0698]: type inside `async` block must be known in this context
   --> $DIR/unresolved-ct-var.rs:6:17
@@ -43,10 +43,10 @@ LL |         let s = std::array::from_fn(|_| ()).await;
    |                 ^^^^^^^^^^^^^^^^^^^ cannot infer the value of const parameter `N` declared on the function `from_fn`
    |
 note: the type is part of the `async` block because of this `await`
-  --> $DIR/unresolved-ct-var.rs:6:44
+  --> $DIR/unresolved-ct-var.rs:6:45
    |
 LL |         let s = std::array::from_fn(|_| ()).await;
-   |                                            ^^^^^^
+   |                                             ^^^^^
 
 error[E0698]: type inside `async` block must be known in this context
   --> $DIR/unresolved-ct-var.rs:6:17
@@ -55,10 +55,10 @@ LL |         let s = std::array::from_fn(|_| ()).await;
    |                 ^^^^^^^^^^^^^^^^^^^ cannot infer the value of const parameter `N` declared on the function `from_fn`
    |
 note: the type is part of the `async` block because of this `await`
-  --> $DIR/unresolved-ct-var.rs:6:44
+  --> $DIR/unresolved-ct-var.rs:6:45
    |
 LL |         let s = std::array::from_fn(|_| ()).await;
-   |                                            ^^^^^^
+   |                                             ^^^^^
 
 error[E0698]: type inside `async` block must be known in this context
   --> $DIR/unresolved-ct-var.rs:6:17
@@ -67,10 +67,10 @@ LL |         let s = std::array::from_fn(|_| ()).await;
    |                 ^^^^^^^^^^^^^^^^^^^ cannot infer the value of const parameter `N` declared on the function `from_fn`
    |
 note: the type is part of the `async` block because of this `await`
-  --> $DIR/unresolved-ct-var.rs:6:44
+  --> $DIR/unresolved-ct-var.rs:6:45
    |
 LL |         let s = std::array::from_fn(|_| ()).await;
-   |                                            ^^^^^^
+   |                                             ^^^^^
 
 error: aborting due to 6 previous errors
 
diff --git a/tests/ui/generic-associated-types/equality-bound.stderr b/tests/ui/generic-associated-types/equality-bound.stderr
index d78f7a7fbce..b21ff30a27d 100644
--- a/tests/ui/generic-associated-types/equality-bound.stderr
+++ b/tests/ui/generic-associated-types/equality-bound.stderr
@@ -36,7 +36,10 @@ error[E0433]: failed to resolve: use of undeclared type `I`
   --> $DIR/equality-bound.rs:9:41
    |
 LL | fn sum3<J: Iterator>(i: J) -> i32 where I::Item = i32 {
-   |                                         ^ use of undeclared type `I`
+   |                                         ^
+   |                                         |
+   |                                         use of undeclared type `I`
+   |                                         help: a type parameter with a similar name exists: `J`
 
 error: aborting due to 4 previous errors
 
diff --git a/tests/ui/generic-associated-types/issue-76535.base.stderr b/tests/ui/generic-associated-types/issue-76535.base.stderr
index 52c6e3eec60..370329b9f83 100644
--- a/tests/ui/generic-associated-types/issue-76535.base.stderr
+++ b/tests/ui/generic-associated-types/issue-76535.base.stderr
@@ -43,8 +43,7 @@ LL | pub trait SuperTrait {
 LL |     type SubType<'a>: SubTrait where Self: 'a;
    |          ^^^^^^^ ...because it contains the generic associated type `SubType`
    = help: consider moving `SubType` to another trait
-   = note: required for `Box<SuperStruct>` to implement `CoerceUnsized<Box<dyn SuperTrait<SubType = SubStruct<'_>>>>`
-   = note: required by cast to type `Box<dyn SuperTrait<SubType = SubStruct<'_>>>`
+   = note: required for the cast from `Box<SuperStruct>` to `Box<dyn SuperTrait<SubType = SubStruct<'_>>>`
 
 error: aborting due to 3 previous errors
 
diff --git a/tests/ui/generic-associated-types/issue-79422.base.stderr b/tests/ui/generic-associated-types/issue-79422.base.stderr
index f1de77bc3c0..ad704f5e9f0 100644
--- a/tests/ui/generic-associated-types/issue-79422.base.stderr
+++ b/tests/ui/generic-associated-types/issue-79422.base.stderr
@@ -43,8 +43,7 @@ LL | trait MapLike<K, V> {
 LL |     type VRefCont<'a>: RefCont<'a, V> where Self: 'a;
    |          ^^^^^^^^ ...because it contains the generic associated type `VRefCont`
    = help: consider moving `VRefCont` to another trait
-   = note: required for `Box<BTreeMap<u8, u8>>` to implement `CoerceUnsized<Box<dyn MapLike<u8, u8, VRefCont = (dyn RefCont<'_, u8> + 'static)>>>`
-   = note: required by cast to type `Box<dyn MapLike<u8, u8, VRefCont = (dyn RefCont<'_, u8> + 'static)>>`
+   = note: required for the cast from `Box<BTreeMap<u8, u8>>` to `Box<dyn MapLike<u8, u8, VRefCont = (dyn RefCont<'_, u8> + 'static)>>`
 
 error: aborting due to 3 previous errors
 
diff --git a/tests/ui/generic-associated-types/issue-79422.extended.stderr b/tests/ui/generic-associated-types/issue-79422.extended.stderr
index 04184fce921..14492266cda 100644
--- a/tests/ui/generic-associated-types/issue-79422.extended.stderr
+++ b/tests/ui/generic-associated-types/issue-79422.extended.stderr
@@ -27,7 +27,7 @@ LL |     type VRefCont<'a> = &'a V where Self: 'a;
    |                         ^^^^^
    = note: expected trait object `(dyn RefCont<'_, u8> + 'static)`
                  found reference `&u8`
-   = note: required for the cast from `BTreeMap<u8, u8>` to the object type `dyn MapLike<u8, u8, VRefCont = (dyn RefCont<'_, u8> + 'static)>`
+   = note: required for the cast from `Box<BTreeMap<u8, u8>>` to `Box<dyn MapLike<u8, u8, VRefCont = (dyn RefCont<'_, u8> + 'static)>>`
 
 error: aborting due to 2 previous errors
 
diff --git a/tests/ui/generic-associated-types/issue-88595.rs b/tests/ui/generic-associated-types/issue-88595.rs
index 5a40a612972..7de906e7ef3 100644
--- a/tests/ui/generic-associated-types/issue-88595.rs
+++ b/tests/ui/generic-associated-types/issue-88595.rs
@@ -19,4 +19,5 @@ impl<'a> A<'a> for C {
     type B<'b> = impl Clone;
 
     fn a(&'a self) -> Self::B<'a> {} //~ ERROR: non-defining opaque type use in defining scope
+    //~^ ERROR: mismatched types
 }
diff --git a/tests/ui/generic-associated-types/issue-88595.stderr b/tests/ui/generic-associated-types/issue-88595.stderr
index 79d3479af8c..d6caed85459 100644
--- a/tests/ui/generic-associated-types/issue-88595.stderr
+++ b/tests/ui/generic-associated-types/issue-88595.stderr
@@ -1,16 +1,34 @@
 error: non-defining opaque type use in defining scope
-  --> $DIR/issue-88595.rs:21:35
+  --> $DIR/issue-88595.rs:21:5
    |
 LL |     fn a(&'a self) -> Self::B<'a> {}
-   |                                   ^^
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ generic argument `'a` used twice
    |
-note: lifetime used multiple times
-  --> $DIR/issue-88595.rs:18:6
+note: for this opaque type
+  --> $DIR/issue-88595.rs:19:18
    |
-LL | impl<'a> A<'a> for C {
-   |      ^^
 LL |     type B<'b> = impl Clone;
-   |            ^^
+   |                  ^^^^^^^^^^
 
-error: aborting due to previous error
+error[E0308]: mismatched types
+  --> $DIR/issue-88595.rs:21:23
+   |
+LL |     type B<'b> = impl Clone;
+   |                  ---------- the expected opaque type
+LL |
+LL |     fn a(&'a self) -> Self::B<'a> {}
+   |        -              ^^^^^^^^^^^ expected opaque type, found `()`
+   |        |
+   |        implicitly returns `()` as its body has no tail or `return` expression
+   |
+   = note: expected opaque type `<C as A<'a>>::B<'a>`
+                found unit type `()`
+note: this item must have the opaque type in its signature in order to be able to register hidden types
+  --> $DIR/issue-88595.rs:21:5
+   |
+LL |     fn a(&'a self) -> Self::B<'a> {}
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: aborting due to 2 previous errors
 
+For more information about this error, try `rustc --explain E0308`.
diff --git a/tests/ui/generic-associated-types/parse/trait-path-missing-gen_arg.rs b/tests/ui/generic-associated-types/parse/trait-path-missing-gen_arg.rs
index ecabf8943ea..b7b93ef1c44 100644
--- a/tests/ui/generic-associated-types/parse/trait-path-missing-gen_arg.rs
+++ b/tests/ui/generic-associated-types/parse/trait-path-missing-gen_arg.rs
@@ -5,9 +5,6 @@ trait X {
 const _: () = {
   fn f1<'a>(arg : Box<dyn X< : 32 >>) {}
       //~^ ERROR: expected one of `>`, a const expression, lifetime, or type, found `:`
-      //~| ERROR: expected parameter name, found `>`
-      //~| ERROR: expected one of `!`, `)`, `+`, `,`, or `::`, found `>`
-      //~| ERROR: constant provided when a type was expected
 };
 
 const _: () = {
diff --git a/tests/ui/generic-associated-types/parse/trait-path-missing-gen_arg.stderr b/tests/ui/generic-associated-types/parse/trait-path-missing-gen_arg.stderr
index 10ceccedcac..bfddb6dc693 100644
--- a/tests/ui/generic-associated-types/parse/trait-path-missing-gen_arg.stderr
+++ b/tests/ui/generic-associated-types/parse/trait-path-missing-gen_arg.stderr
@@ -3,41 +3,14 @@ error: expected one of `>`, a const expression, lifetime, or type, found `:`
    |
 LL |   fn f1<'a>(arg : Box<dyn X< : 32 >>) {}
    |                              ^ expected one of `>`, a const expression, lifetime, or type
-   |
-help: expressions must be enclosed in braces to be used as const generic arguments
-   |
-LL |   fn f1<'a>(arg : Box<{ dyn X< : 32 } >>) {}
-   |                       +             +
-
-error: expected parameter name, found `>`
-  --> $DIR/trait-path-missing-gen_arg.rs:6:36
-   |
-LL |   fn f1<'a>(arg : Box<dyn X< : 32 >>) {}
-   |                                    ^ expected parameter name
-
-error: expected one of `!`, `)`, `+`, `,`, or `::`, found `>`
-  --> $DIR/trait-path-missing-gen_arg.rs:6:36
-   |
-LL |   fn f1<'a>(arg : Box<dyn X< : 32 >>) {}
-   |                                    ^
-   |                                    |
-   |                                    expected one of `!`, `)`, `+`, `,`, or `::`
-   |                                    help: missing `,`
 
 error: expected one of `>`, a const expression, lifetime, or type, found `=`
-  --> $DIR/trait-path-missing-gen_arg.rs:14:30
+  --> $DIR/trait-path-missing-gen_arg.rs:11:30
    |
 LL |   fn f1<'a>(arg : Box<dyn X< = 32 >>) {}
    |                            - ^ expected one of `>`, a const expression, lifetime, or type
    |                            |
    |                            maybe try to close unmatched angle bracket
 
-error[E0747]: constant provided when a type was expected
-  --> $DIR/trait-path-missing-gen_arg.rs:6:23
-   |
-LL |   fn f1<'a>(arg : Box<dyn X< : 32 >>) {}
-   |                       ^^^^^^^^^^^
-
-error: aborting due to 5 previous errors
+error: aborting due to 2 previous errors
 
-For more information about this error, try `rustc --explain E0747`.
diff --git a/tests/ui/generics/single-colon-path-not-const-generics.rs b/tests/ui/generics/single-colon-path-not-const-generics.rs
index 55a7ae0bb6d..dff00b0b720 100644
--- a/tests/ui/generics/single-colon-path-not-const-generics.rs
+++ b/tests/ui/generics/single-colon-path-not-const-generics.rs
@@ -6,8 +6,8 @@ pub mod foo {
 
 pub struct Foo {
   a: Vec<foo::bar:A>,
-  //~^ ERROR expected
-  //~| HELP path separator
+  //~^ ERROR path separator must be a double colon
+  //~| HELP use a double colon instead
 }
 
 fn main() {}
diff --git a/tests/ui/generics/single-colon-path-not-const-generics.stderr b/tests/ui/generics/single-colon-path-not-const-generics.stderr
index 3eafa9fa5a9..96f07e190c1 100644
--- a/tests/ui/generics/single-colon-path-not-const-generics.stderr
+++ b/tests/ui/generics/single-colon-path-not-const-generics.stderr
@@ -1,11 +1,12 @@
-error: expected one of `,` or `>`, found `:`
+error: path separator must be a double colon
   --> $DIR/single-colon-path-not-const-generics.rs:8:18
    |
+LL | pub struct Foo {
+   |            --- while parsing this struct
 LL |   a: Vec<foo::bar:A>,
-   |                  ^
-   |                  |
-   |                  expected one of `,` or `>`
-   |                  help: write a path separator here: `::`
+   |                  ^ help: use a double colon instead: `::`
+   |
+   = note: if you meant to annotate an expression with a type, the type ascription syntax has been removed, see issue #101728 <https://github.com/rust-lang/rust/issues/101728>
 
 error: aborting due to previous error
 
diff --git a/tests/ui/hygiene/stdlib-prelude-from-opaque-late.rs b/tests/ui/hygiene/stdlib-prelude-from-opaque-late.rs
index cf65de2bc23..214267372bf 100644
--- a/tests/ui/hygiene/stdlib-prelude-from-opaque-late.rs
+++ b/tests/ui/hygiene/stdlib-prelude-from-opaque-late.rs
@@ -1,6 +1,7 @@
 // check-pass
 
 #![feature(decl_macro)]
+#![allow(drop_copy)]
 
 macro mac() {
     mod m {
diff --git a/tests/ui/illegal-ufcs-drop.fixed b/tests/ui/illegal-ufcs-drop.fixed
index d73b391be06..8783682dec4 100644
--- a/tests/ui/illegal-ufcs-drop.fixed
+++ b/tests/ui/illegal-ufcs-drop.fixed
@@ -1,4 +1,7 @@
 // run-rustfix
+
+#![allow(drop_ref)]
+
 struct Foo;
 
 impl Drop for Foo {
diff --git a/tests/ui/illegal-ufcs-drop.rs b/tests/ui/illegal-ufcs-drop.rs
index 11411f55494..29774306ec6 100644
--- a/tests/ui/illegal-ufcs-drop.rs
+++ b/tests/ui/illegal-ufcs-drop.rs
@@ -1,4 +1,7 @@
 // run-rustfix
+
+#![allow(drop_ref)]
+
 struct Foo;
 
 impl Drop for Foo {
diff --git a/tests/ui/illegal-ufcs-drop.stderr b/tests/ui/illegal-ufcs-drop.stderr
index 91f47d5e456..7a5c0612c07 100644
--- a/tests/ui/illegal-ufcs-drop.stderr
+++ b/tests/ui/illegal-ufcs-drop.stderr
@@ -1,5 +1,5 @@
 error[E0040]: explicit use of destructor method
-  --> $DIR/illegal-ufcs-drop.rs:9:5
+  --> $DIR/illegal-ufcs-drop.rs:12:5
    |
 LL |     Drop::drop(&mut Foo)
    |     ^^^^^^^^^^
diff --git a/tests/ui/impl-trait/extra-impl-in-trait-impl.fixed b/tests/ui/impl-trait/extra-impl-in-trait-impl.fixed
new file mode 100644
index 00000000000..cd4f2610d3f
--- /dev/null
+++ b/tests/ui/impl-trait/extra-impl-in-trait-impl.fixed
@@ -0,0 +1,19 @@
+// run-rustfix
+
+struct S<T>(T);
+struct S2;
+
+impl<T: Default> Default for S<T> {
+    //~^ ERROR: unexpected `impl` keyword
+    //~| HELP: remove the extra `impl`
+    fn default() -> Self { todo!() }
+}
+
+impl Default for S2 {
+    //~^ ERROR: unexpected `impl` keyword
+    //~| HELP: remove the extra `impl`
+    fn default() -> Self { todo!() }
+}
+
+
+fn main() {}
diff --git a/tests/ui/impl-trait/extra-impl-in-trait-impl.rs b/tests/ui/impl-trait/extra-impl-in-trait-impl.rs
new file mode 100644
index 00000000000..024b703e6f2
--- /dev/null
+++ b/tests/ui/impl-trait/extra-impl-in-trait-impl.rs
@@ -0,0 +1,19 @@
+// run-rustfix
+
+struct S<T>(T);
+struct S2;
+
+impl<T: Default> impl Default for S<T> {
+    //~^ ERROR: unexpected `impl` keyword
+    //~| HELP: remove the extra `impl`
+    fn default() -> Self { todo!() }
+}
+
+impl impl Default for S2 {
+    //~^ ERROR: unexpected `impl` keyword
+    //~| HELP: remove the extra `impl`
+    fn default() -> Self { todo!() }
+}
+
+
+fn main() {}
diff --git a/tests/ui/impl-trait/extra-impl-in-trait-impl.stderr b/tests/ui/impl-trait/extra-impl-in-trait-impl.stderr
new file mode 100644
index 00000000000..5aafc8b64d4
--- /dev/null
+++ b/tests/ui/impl-trait/extra-impl-in-trait-impl.stderr
@@ -0,0 +1,26 @@
+error: unexpected `impl` keyword
+  --> $DIR/extra-impl-in-trait-impl.rs:6:18
+   |
+LL | impl<T: Default> impl Default for S<T> {
+   |                  ^^^^^ help: remove the extra `impl`
+   |
+note: this is parsed as an `impl Trait` type, but a trait is expected at this position
+  --> $DIR/extra-impl-in-trait-impl.rs:6:18
+   |
+LL | impl<T: Default> impl Default for S<T> {
+   |                  ^^^^^^^^^^^^
+
+error: unexpected `impl` keyword
+  --> $DIR/extra-impl-in-trait-impl.rs:12:6
+   |
+LL | impl impl Default for S2 {
+   |      ^^^^^ help: remove the extra `impl`
+   |
+note: this is parsed as an `impl Trait` type, but a trait is expected at this position
+  --> $DIR/extra-impl-in-trait-impl.rs:12:6
+   |
+LL | impl impl Default for S2 {
+   |      ^^^^^^^^^^^^
+
+error: aborting due to 2 previous errors
+
diff --git a/tests/ui/impl-trait/in-assoc-type-unconstrained.rs b/tests/ui/impl-trait/in-assoc-type-unconstrained.rs
new file mode 100644
index 00000000000..c395b4195a0
--- /dev/null
+++ b/tests/ui/impl-trait/in-assoc-type-unconstrained.rs
@@ -0,0 +1,27 @@
+#![feature(impl_trait_in_assoc_type)]
+
+mod compare_ty {
+    trait Trait {
+        type Ty: IntoIterator<Item = ()>;
+    }
+    impl Trait for () {
+        type Ty = Option<impl Sized>;
+        //~^ ERROR: unconstrained opaque type
+        //~| ERROR: type mismatch resolving `<Option<<() as Trait>::Ty::{opaque#0}> as IntoIterator>::Item == ()`
+    }
+}
+
+mod compare_method {
+    trait Trait {
+        type Ty;
+        fn method() -> Self::Ty;
+    }
+    impl Trait for () {
+        type Ty = impl Sized;
+        //~^ ERROR: unconstrained opaque type
+        fn method() -> () {}
+        //~^ ERROR: method `method` has an incompatible type for trait
+    }
+}
+
+fn main() {}
diff --git a/tests/ui/impl-trait/in-assoc-type-unconstrained.stderr b/tests/ui/impl-trait/in-assoc-type-unconstrained.stderr
new file mode 100644
index 00000000000..1097cd0f452
--- /dev/null
+++ b/tests/ui/impl-trait/in-assoc-type-unconstrained.stderr
@@ -0,0 +1,59 @@
+error[E0271]: type mismatch resolving `<Option<<() as Trait>::Ty::{opaque#0}> as IntoIterator>::Item == ()`
+  --> $DIR/in-assoc-type-unconstrained.rs:8:19
+   |
+LL |         type Ty = Option<impl Sized>;
+   |                   ^^^^^^^^^^^^^^^^^^ expected `()`, found opaque type
+   |
+   = note: expected unit type `()`
+            found opaque type `<() as compare_ty::Trait>::Ty::{opaque#0}`
+note: required by a bound in `compare_ty::Trait::Ty`
+  --> $DIR/in-assoc-type-unconstrained.rs:5:31
+   |
+LL |         type Ty: IntoIterator<Item = ()>;
+   |                               ^^^^^^^^^ required by this bound in `Trait::Ty`
+
+error: unconstrained opaque type
+  --> $DIR/in-assoc-type-unconstrained.rs:8:26
+   |
+LL |         type Ty = Option<impl Sized>;
+   |                          ^^^^^^^^^^
+   |
+   = note: `Ty` must be used in combination with a concrete type within the same impl
+
+error[E0053]: method `method` has an incompatible type for trait
+  --> $DIR/in-assoc-type-unconstrained.rs:22:24
+   |
+LL |         type Ty = impl Sized;
+   |                   ---------- the expected opaque type
+LL |
+LL |         fn method() -> () {}
+   |                        ^^
+   |                        |
+   |                        expected opaque type, found `()`
+   |                        help: change the output type to match the trait: `<() as compare_method::Trait>::Ty`
+   |
+note: type in trait
+  --> $DIR/in-assoc-type-unconstrained.rs:17:24
+   |
+LL |         fn method() -> Self::Ty;
+   |                        ^^^^^^^^
+   = note: expected signature `fn() -> <() as compare_method::Trait>::Ty`
+              found signature `fn()`
+note: this item must have the opaque type in its signature in order to be able to register hidden types
+  --> $DIR/in-assoc-type-unconstrained.rs:22:9
+   |
+LL |         fn method() -> () {}
+   |         ^^^^^^^^^^^^^^^^^
+
+error: unconstrained opaque type
+  --> $DIR/in-assoc-type-unconstrained.rs:20:19
+   |
+LL |         type Ty = impl Sized;
+   |                   ^^^^^^^^^^
+   |
+   = note: `Ty` must be used in combination with a concrete type within the same impl
+
+error: aborting due to 4 previous errors
+
+Some errors have detailed explanations: E0053, E0271.
+For more information about an error, try `rustc --explain E0053`.
diff --git a/tests/ui/impl-trait/in-assoc-type.rs b/tests/ui/impl-trait/in-assoc-type.rs
new file mode 100644
index 00000000000..36c54bdd6de
--- /dev/null
+++ b/tests/ui/impl-trait/in-assoc-type.rs
@@ -0,0 +1,21 @@
+#![feature(impl_trait_in_assoc_type)]
+
+trait Foo<T> {
+    type Bar;
+    fn foo(&self) -> <Self as Foo<()>>::Bar
+    where
+        Self: Foo<()>;
+}
+
+impl Foo<()> for () {
+    type Bar = impl std::fmt::Debug;
+    fn foo(&self) -> Self::Bar {}
+}
+
+impl Foo<i32> for () {
+    type Bar = u32;
+    fn foo(&self) -> <Self as Foo<()>>::Bar {}
+    //~^ ERROR: mismatched types
+}
+
+fn main() {}
diff --git a/tests/ui/impl-trait/in-assoc-type.stderr b/tests/ui/impl-trait/in-assoc-type.stderr
new file mode 100644
index 00000000000..f0a272dc2d5
--- /dev/null
+++ b/tests/ui/impl-trait/in-assoc-type.stderr
@@ -0,0 +1,22 @@
+error[E0308]: mismatched types
+  --> $DIR/in-assoc-type.rs:17:22
+   |
+LL |     type Bar = impl std::fmt::Debug;
+   |                -------------------- the expected opaque type
+...
+LL |     fn foo(&self) -> <Self as Foo<()>>::Bar {}
+   |        ---           ^^^^^^^^^^^^^^^^^^^^^^ expected opaque type, found `()`
+   |        |
+   |        implicitly returns `()` as its body has no tail or `return` expression
+   |
+   = note: expected opaque type `<() as Foo<()>>::Bar`
+                found unit type `()`
+note: this item must have the opaque type in its signature in order to be able to register hidden types
+  --> $DIR/in-assoc-type.rs:17:5
+   |
+LL |     fn foo(&self) -> <Self as Foo<()>>::Bar {}
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0308`.
diff --git a/tests/ui/impl-trait/in-trait/auxiliary/rpitit.rs b/tests/ui/impl-trait/in-trait/auxiliary/rpitit.rs
index ffeabe5c2ed..776006124dc 100644
--- a/tests/ui/impl-trait/in-trait/auxiliary/rpitit.rs
+++ b/tests/ui/impl-trait/in-trait/auxiliary/rpitit.rs
@@ -5,10 +5,10 @@
 use std::ops::Deref;
 
 pub trait Foo {
-    fn bar() -> impl Deref<Target = impl Sized>;
+    fn bar(self) -> impl Deref<Target = impl Sized>;
 }
 
 pub struct Foreign;
 impl Foo for Foreign {
-    fn bar() -> &'static () { &() }
+    fn bar(self) -> &'static () { &() }
 }
diff --git a/tests/ui/impl-trait/in-trait/box-coerce-span-in-default.current.stderr b/tests/ui/impl-trait/in-trait/box-coerce-span-in-default.current.stderr
deleted file mode 100644
index 05c025cc169..00000000000
--- a/tests/ui/impl-trait/in-trait/box-coerce-span-in-default.current.stderr
+++ /dev/null
@@ -1,11 +0,0 @@
-warning: the feature `return_position_impl_trait_in_trait` is incomplete and may not be safe to use and/or cause compiler crashes
-  --> $DIR/box-coerce-span-in-default.rs:5:12
-   |
-LL | #![feature(return_position_impl_trait_in_trait)]
-   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-   |
-   = note: see issue #91611 <https://github.com/rust-lang/rust/issues/91611> for more information
-   = note: `#[warn(incomplete_features)]` on by default
-
-warning: 1 warning emitted
-
diff --git a/tests/ui/impl-trait/in-trait/box-coerce-span-in-default.next.stderr b/tests/ui/impl-trait/in-trait/box-coerce-span-in-default.next.stderr
deleted file mode 100644
index 05c025cc169..00000000000
--- a/tests/ui/impl-trait/in-trait/box-coerce-span-in-default.next.stderr
+++ /dev/null
@@ -1,11 +0,0 @@
-warning: the feature `return_position_impl_trait_in_trait` is incomplete and may not be safe to use and/or cause compiler crashes
-  --> $DIR/box-coerce-span-in-default.rs:5:12
-   |
-LL | #![feature(return_position_impl_trait_in_trait)]
-   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-   |
-   = note: see issue #91611 <https://github.com/rust-lang/rust/issues/91611> for more information
-   = note: `#[warn(incomplete_features)]` on by default
-
-warning: 1 warning emitted
-
diff --git a/tests/ui/impl-trait/in-trait/box-coerce-span-in-default.rs b/tests/ui/impl-trait/in-trait/box-coerce-span-in-default.rs
index 163bb4fcf77..f5290a5f4af 100644
--- a/tests/ui/impl-trait/in-trait/box-coerce-span-in-default.rs
+++ b/tests/ui/impl-trait/in-trait/box-coerce-span-in-default.rs
@@ -3,7 +3,6 @@
 // revisions: current next
 
 #![feature(return_position_impl_trait_in_trait)]
-//~^ WARN the feature `return_position_impl_trait_in_trait` is incomplete
 
 struct TestA {}
 struct TestB {}
diff --git a/tests/ui/impl-trait/in-trait/default-method-binder-shifting.current.stderr b/tests/ui/impl-trait/in-trait/default-method-binder-shifting.current.stderr
deleted file mode 100644
index a0c0589b9a1..00000000000
--- a/tests/ui/impl-trait/in-trait/default-method-binder-shifting.current.stderr
+++ /dev/null
@@ -1,11 +0,0 @@
-warning: the feature `return_position_impl_trait_in_trait` is incomplete and may not be safe to use and/or cause compiler crashes
-  --> $DIR/default-method-binder-shifting.rs:5:12
-   |
-LL | #![feature(return_position_impl_trait_in_trait)]
-   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-   |
-   = note: see issue #91611 <https://github.com/rust-lang/rust/issues/91611> for more information
-   = note: `#[warn(incomplete_features)]` on by default
-
-warning: 1 warning emitted
-
diff --git a/tests/ui/impl-trait/in-trait/default-method-binder-shifting.next.stderr b/tests/ui/impl-trait/in-trait/default-method-binder-shifting.next.stderr
deleted file mode 100644
index a0c0589b9a1..00000000000
--- a/tests/ui/impl-trait/in-trait/default-method-binder-shifting.next.stderr
+++ /dev/null
@@ -1,11 +0,0 @@
-warning: the feature `return_position_impl_trait_in_trait` is incomplete and may not be safe to use and/or cause compiler crashes
-  --> $DIR/default-method-binder-shifting.rs:5:12
-   |
-LL | #![feature(return_position_impl_trait_in_trait)]
-   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-   |
-   = note: see issue #91611 <https://github.com/rust-lang/rust/issues/91611> for more information
-   = note: `#[warn(incomplete_features)]` on by default
-
-warning: 1 warning emitted
-
diff --git a/tests/ui/impl-trait/in-trait/default-method-binder-shifting.rs b/tests/ui/impl-trait/in-trait/default-method-binder-shifting.rs
index de82544f293..187039f449c 100644
--- a/tests/ui/impl-trait/in-trait/default-method-binder-shifting.rs
+++ b/tests/ui/impl-trait/in-trait/default-method-binder-shifting.rs
@@ -3,7 +3,6 @@
 // revisions: current next
 
 #![feature(return_position_impl_trait_in_trait)]
-//~^ WARN the feature `return_position_impl_trait_in_trait` is incomplete
 
 trait Trait {
     type Type;
diff --git a/tests/ui/impl-trait/in-trait/default-method-constraint.current.stderr b/tests/ui/impl-trait/in-trait/default-method-constraint.current.stderr
deleted file mode 100644
index 7bb79911f56..00000000000
--- a/tests/ui/impl-trait/in-trait/default-method-constraint.current.stderr
+++ /dev/null
@@ -1,11 +0,0 @@
-warning: the feature `return_position_impl_trait_in_trait` is incomplete and may not be safe to use and/or cause compiler crashes
-  --> $DIR/default-method-constraint.rs:7:12
-   |
-LL | #![feature(return_position_impl_trait_in_trait)]
-   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-   |
-   = note: see issue #91611 <https://github.com/rust-lang/rust/issues/91611> for more information
-   = note: `#[warn(incomplete_features)]` on by default
-
-warning: 1 warning emitted
-
diff --git a/tests/ui/impl-trait/in-trait/default-method-constraint.next.stderr b/tests/ui/impl-trait/in-trait/default-method-constraint.next.stderr
deleted file mode 100644
index 7bb79911f56..00000000000
--- a/tests/ui/impl-trait/in-trait/default-method-constraint.next.stderr
+++ /dev/null
@@ -1,11 +0,0 @@
-warning: the feature `return_position_impl_trait_in_trait` is incomplete and may not be safe to use and/or cause compiler crashes
-  --> $DIR/default-method-constraint.rs:7:12
-   |
-LL | #![feature(return_position_impl_trait_in_trait)]
-   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-   |
-   = note: see issue #91611 <https://github.com/rust-lang/rust/issues/91611> for more information
-   = note: `#[warn(incomplete_features)]` on by default
-
-warning: 1 warning emitted
-
diff --git a/tests/ui/impl-trait/in-trait/default-method-constraint.rs b/tests/ui/impl-trait/in-trait/default-method-constraint.rs
index e85fe3c8626..4f0bf2e7dfe 100644
--- a/tests/ui/impl-trait/in-trait/default-method-constraint.rs
+++ b/tests/ui/impl-trait/in-trait/default-method-constraint.rs
@@ -5,7 +5,6 @@
 // This didn't work in the previous default RPITIT method hack attempt
 
 #![feature(return_position_impl_trait_in_trait)]
-//~^ WARN the feature `return_position_impl_trait_in_trait` is incomplete
 
 trait Foo {
     fn bar(x: bool) -> impl Sized {
diff --git a/tests/ui/impl-trait/in-trait/dont-project-to-rpitit-with-no-value.current.stderr b/tests/ui/impl-trait/in-trait/dont-project-to-rpitit-with-no-value.current.stderr
index b8a793e1a7b..d4d0124a659 100644
--- a/tests/ui/impl-trait/in-trait/dont-project-to-rpitit-with-no-value.current.stderr
+++ b/tests/ui/impl-trait/in-trait/dont-project-to-rpitit-with-no-value.current.stderr
@@ -1,14 +1,5 @@
-warning: the feature `return_position_impl_trait_in_trait` is incomplete and may not be safe to use and/or cause compiler crashes
-  --> $DIR/dont-project-to-rpitit-with-no-value.rs:4:12
-   |
-LL | #![feature(return_position_impl_trait_in_trait)]
-   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-   |
-   = note: see issue #91611 <https://github.com/rust-lang/rust/issues/91611> for more information
-   = note: `#[warn(incomplete_features)]` on by default
-
 error[E0046]: not all trait items implemented, missing: `foo`
-  --> $DIR/dont-project-to-rpitit-with-no-value.rs:12:1
+  --> $DIR/dont-project-to-rpitit-with-no-value.rs:11:1
    |
 LL |     fn foo(&self) -> impl Sized;
    |     ---------------------------- `foo` from trait
@@ -16,6 +7,6 @@ LL |     fn foo(&self) -> impl Sized;
 LL | impl MyTrait for i32 {
    | ^^^^^^^^^^^^^^^^^^^^ missing `foo` in implementation
 
-error: aborting due to previous error; 1 warning emitted
+error: aborting due to previous error
 
 For more information about this error, try `rustc --explain E0046`.
diff --git a/tests/ui/impl-trait/in-trait/dont-project-to-rpitit-with-no-value.next.stderr b/tests/ui/impl-trait/in-trait/dont-project-to-rpitit-with-no-value.next.stderr
index b8a793e1a7b..d4d0124a659 100644
--- a/tests/ui/impl-trait/in-trait/dont-project-to-rpitit-with-no-value.next.stderr
+++ b/tests/ui/impl-trait/in-trait/dont-project-to-rpitit-with-no-value.next.stderr
@@ -1,14 +1,5 @@
-warning: the feature `return_position_impl_trait_in_trait` is incomplete and may not be safe to use and/or cause compiler crashes
-  --> $DIR/dont-project-to-rpitit-with-no-value.rs:4:12
-   |
-LL | #![feature(return_position_impl_trait_in_trait)]
-   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-   |
-   = note: see issue #91611 <https://github.com/rust-lang/rust/issues/91611> for more information
-   = note: `#[warn(incomplete_features)]` on by default
-
 error[E0046]: not all trait items implemented, missing: `foo`
-  --> $DIR/dont-project-to-rpitit-with-no-value.rs:12:1
+  --> $DIR/dont-project-to-rpitit-with-no-value.rs:11:1
    |
 LL |     fn foo(&self) -> impl Sized;
    |     ---------------------------- `foo` from trait
@@ -16,6 +7,6 @@ LL |     fn foo(&self) -> impl Sized;
 LL | impl MyTrait for i32 {
    | ^^^^^^^^^^^^^^^^^^^^ missing `foo` in implementation
 
-error: aborting due to previous error; 1 warning emitted
+error: aborting due to previous error
 
 For more information about this error, try `rustc --explain E0046`.
diff --git a/tests/ui/impl-trait/in-trait/dont-project-to-rpitit-with-no-value.rs b/tests/ui/impl-trait/in-trait/dont-project-to-rpitit-with-no-value.rs
index 8329ce1f835..4d50b8c9278 100644
--- a/tests/ui/impl-trait/in-trait/dont-project-to-rpitit-with-no-value.rs
+++ b/tests/ui/impl-trait/in-trait/dont-project-to-rpitit-with-no-value.rs
@@ -2,7 +2,6 @@
 // revisions: current next
 
 #![feature(return_position_impl_trait_in_trait)]
-//~^ WARN the feature `return_position_impl_trait_in_trait` is incomplete
 
 trait MyTrait {
     fn foo(&self) -> impl Sized;
diff --git a/tests/ui/impl-trait/in-trait/foreign-dyn-error.rs b/tests/ui/impl-trait/in-trait/foreign-dyn-error.rs
new file mode 100644
index 00000000000..ecb5e62c433
--- /dev/null
+++ b/tests/ui/impl-trait/in-trait/foreign-dyn-error.rs
@@ -0,0 +1,8 @@
+// aux-build: rpitit.rs
+
+extern crate rpitit;
+
+fn main() {
+    let _: &dyn rpitit::Foo = todo!();
+    //~^ ERROR the trait `Foo` cannot be made into an object
+}
diff --git a/tests/ui/impl-trait/in-trait/foreign-dyn-error.stderr b/tests/ui/impl-trait/in-trait/foreign-dyn-error.stderr
new file mode 100644
index 00000000000..6eef392c05f
--- /dev/null
+++ b/tests/ui/impl-trait/in-trait/foreign-dyn-error.stderr
@@ -0,0 +1,15 @@
+error[E0038]: the trait `Foo` cannot be made into an object
+  --> $DIR/foreign-dyn-error.rs:6:12
+   |
+LL |     let _: &dyn rpitit::Foo = todo!();
+   |            ^^^^^^^^^^^^^^^^ `Foo` cannot be made into an object
+   |
+note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
+  --> $DIR/auxiliary/rpitit.rs:8:21
+   |
+LL |     fn bar(self) -> impl Deref<Target = impl Sized>;
+   |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait cannot be made into an object because method `bar` references an `impl Trait` type in its return type
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0038`.
diff --git a/tests/ui/impl-trait/in-trait/foreign.rs b/tests/ui/impl-trait/in-trait/foreign.rs
index f4972d948b2..98417b343a1 100644
--- a/tests/ui/impl-trait/in-trait/foreign.rs
+++ b/tests/ui/impl-trait/in-trait/foreign.rs
@@ -5,17 +5,18 @@
 
 extern crate rpitit;
 
+use rpitit::{Foo, Foreign};
 use std::sync::Arc;
 
 // Implement an RPITIT from another crate.
 struct Local;
-impl rpitit::Foo for Local {
-    fn bar() -> Arc<String> { Arc::new(String::new()) }
+impl Foo for Local {
+    fn bar(self) -> Arc<String> { Arc::new(String::new()) }
 }
 
 fn main() {
     // Witness an RPITIT from another crate.
-    let &() = <rpitit::Foreign as rpitit::Foo>::bar();
+    let &() = Foreign.bar();
 
-    let x: Arc<String> = <Local as rpitit::Foo>::bar();
+    let x: Arc<String> = Local.bar();
 }
diff --git a/tests/ui/impl-trait/in-trait/object-safety.current.stderr b/tests/ui/impl-trait/in-trait/object-safety.current.stderr
index b7f2b019a77..2c340a02319 100644
--- a/tests/ui/impl-trait/in-trait/object-safety.current.stderr
+++ b/tests/ui/impl-trait/in-trait/object-safety.current.stderr
@@ -42,8 +42,7 @@ LL | trait Foo {
 LL |     fn baz(&self) -> impl Debug;
    |                      ^^^^^^^^^^ ...because method `baz` references an `impl Trait` type in its return type
    = help: consider moving `baz` to another trait
-   = note: required for `Box<u32>` to implement `CoerceUnsized<Box<dyn Foo>>`
-   = note: required by cast to type `Box<dyn Foo>`
+   = note: required for the cast from `Box<u32>` to `Box<dyn Foo>`
 
 error: aborting due to 3 previous errors
 
diff --git a/tests/ui/impl-trait/in-trait/object-safety.next.stderr b/tests/ui/impl-trait/in-trait/object-safety.next.stderr
index b7f2b019a77..2c340a02319 100644
--- a/tests/ui/impl-trait/in-trait/object-safety.next.stderr
+++ b/tests/ui/impl-trait/in-trait/object-safety.next.stderr
@@ -42,8 +42,7 @@ LL | trait Foo {
 LL |     fn baz(&self) -> impl Debug;
    |                      ^^^^^^^^^^ ...because method `baz` references an `impl Trait` type in its return type
    = help: consider moving `baz` to another trait
-   = note: required for `Box<u32>` to implement `CoerceUnsized<Box<dyn Foo>>`
-   = note: required by cast to type `Box<dyn Foo>`
+   = note: required for the cast from `Box<u32>` to `Box<dyn Foo>`
 
 error: aborting due to 3 previous errors
 
diff --git a/tests/ui/impl-trait/issue-103181-1.stderr b/tests/ui/impl-trait/issue-103181-1.current.stderr
index cd026607d52..e87a9d28ae1 100644
--- a/tests/ui/impl-trait/issue-103181-1.stderr
+++ b/tests/ui/impl-trait/issue-103181-1.current.stderr
@@ -1,5 +1,5 @@
 error[E0046]: not all trait items implemented, missing: `Error`
-  --> $DIR/issue-103181-1.rs:9:5
+  --> $DIR/issue-103181-1.rs:11:5
    |
 LL |         type Error;
    |         ---------- `Error` from trait
diff --git a/tests/ui/impl-trait/issue-103181-1.next.stderr b/tests/ui/impl-trait/issue-103181-1.next.stderr
new file mode 100644
index 00000000000..e87a9d28ae1
--- /dev/null
+++ b/tests/ui/impl-trait/issue-103181-1.next.stderr
@@ -0,0 +1,12 @@
+error[E0046]: not all trait items implemented, missing: `Error`
+  --> $DIR/issue-103181-1.rs:11:5
+   |
+LL |         type Error;
+   |         ---------- `Error` from trait
+LL |     }
+LL |     impl HttpBody for () {
+   |     ^^^^^^^^^^^^^^^^^^^^ missing `Error` in implementation
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0046`.
diff --git a/tests/ui/impl-trait/issue-103181-1.rs b/tests/ui/impl-trait/issue-103181-1.rs
index 197aedf9d98..5154abcd690 100644
--- a/tests/ui/impl-trait/issue-103181-1.rs
+++ b/tests/ui/impl-trait/issue-103181-1.rs
@@ -1,3 +1,5 @@
+// revisions: current next
+//[next] compile-flags: -Ztrait-solver=next
 // edition:2021
 
 mod hyper {
diff --git a/tests/ui/impl-trait/issues/issue-86800.rs b/tests/ui/impl-trait/issues/issue-86800.rs
index 351243c6727..ec4fda322d0 100644
--- a/tests/ui/impl-trait/issues/issue-86800.rs
+++ b/tests/ui/impl-trait/issues/issue-86800.rs
@@ -1,14 +1,12 @@
 #![feature(type_alias_impl_trait)]
 
 // edition:2021
-// unset-rustc-env:RUST_BACKTRACE
 // compile-flags:-Z treat-err-as-bug=1
-// error-pattern:stack backtrace:
+// error-pattern: aborting due to `-Z treat-err-as-bug=1`
 // failure-status:101
-// normalize-stderr-test "note: .*" -> ""
-// normalize-stderr-test "thread 'rustc' .*" -> ""
-// normalize-stderr-test " +[0-9]+:.*\n" -> ""
-// normalize-stderr-test " +at .*\n" -> ""
+// normalize-stderr-test ".*note: .*\n\n" -> ""
+// normalize-stderr-test "thread 'rustc' panicked.*\n" -> ""
+// rustc-env:RUST_BACKTRACE=0
 
 use std::future::Future;
 
diff --git a/tests/ui/impl-trait/issues/issue-86800.stderr b/tests/ui/impl-trait/issues/issue-86800.stderr
index f3a77383778..facab390d15 100644
--- a/tests/ui/impl-trait/issues/issue-86800.stderr
+++ b/tests/ui/impl-trait/issues/issue-86800.stderr
@@ -1,24 +1,12 @@
 error: unconstrained opaque type
-  --> $DIR/issue-86800.rs:33:34
+  --> $DIR/issue-86800.rs:31:34
    |
 LL | type TransactionFuture<'__, O> = impl '__ + Future<Output = TransactionResult<O>>;
    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
-   = 
-
-
-stack backtrace:
-
 error: the compiler unexpectedly panicked. this is a bug.
 
-
-
-
-
-
-
 query stack during panic:
 #0 [type_of] computing type of `TransactionFuture::{opaque#0}`
 #1 [check_mod_item_types] checking item types in top-level module
-#2 [analysis] running analysis passes on this crate
 end of query stack
diff --git a/tests/ui/impl-trait/recursive-type-alias-impl-trait-declaration-too-subtle.stderr b/tests/ui/impl-trait/recursive-type-alias-impl-trait-declaration-too-subtle.stderr
index f7aff419544..fe62a8f3288 100644
--- a/tests/ui/impl-trait/recursive-type-alias-impl-trait-declaration-too-subtle.stderr
+++ b/tests/ui/impl-trait/recursive-type-alias-impl-trait-declaration-too-subtle.stderr
@@ -43,6 +43,11 @@ LL |         fn eq(&self, _other: &(Bar, i32)) -> bool {
    |
    = note: expected signature `fn(&b::Bar, &(b::Foo, i32)) -> _`
               found signature `fn(&b::Bar, &(b::Bar, i32)) -> _`
+note: this item must have the opaque type in its signature in order to be able to register hidden types
+  --> $DIR/recursive-type-alias-impl-trait-declaration-too-subtle.rs:24:9
+   |
+LL |         fn eq(&self, _other: &(Bar, i32)) -> bool {
+   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error: aborting due to 4 previous errors
 
diff --git a/tests/ui/inference/deref-suggestion.stderr b/tests/ui/inference/deref-suggestion.stderr
index 6f5aacacfc1..c58aab42269 100644
--- a/tests/ui/inference/deref-suggestion.stderr
+++ b/tests/ui/inference/deref-suggestion.stderr
@@ -98,19 +98,23 @@ error[E0308]: mismatched types
   --> $DIR/deref-suggestion.rs:40:17
    |
 LL |     let s = S { u };
-   |                 ^
-   |                 |
-   |                 expected `&u32`, found integer
-   |                 help: consider borrowing here: `u: &u`
+   |                 ^ expected `&u32`, found integer
+   |
+help: consider borrowing here
+   |
+LL |     let s = S { u: &u };
+   |                 ++++
 
 error[E0308]: mismatched types
   --> $DIR/deref-suggestion.rs:42:20
    |
 LL |     let s = S { u: u };
-   |                    ^
-   |                    |
-   |                    expected `&u32`, found integer
-   |                    help: consider borrowing here: `&u`
+   |                    ^ expected `&u32`, found integer
+   |
+help: consider borrowing here
+   |
+LL |     let s = S { u: &u };
+   |                    +
 
 error[E0308]: mismatched types
   --> $DIR/deref-suggestion.rs:45:17
diff --git a/tests/ui/issues/issue-71584.rs b/tests/ui/inference/issue-71584.rs
index 7bf3ed60ec1..7bf3ed60ec1 100644
--- a/tests/ui/issues/issue-71584.rs
+++ b/tests/ui/inference/issue-71584.rs
diff --git a/tests/ui/issues/issue-71584.stderr b/tests/ui/inference/issue-71584.stderr
index 6ddb7657301..6ddb7657301 100644
--- a/tests/ui/issues/issue-71584.stderr
+++ b/tests/ui/inference/issue-71584.stderr
diff --git a/tests/ui/interior-mutability/interior-mutability.stderr b/tests/ui/interior-mutability/interior-mutability.stderr
index 034d22591b3..0c3be7ca607 100644
--- a/tests/ui/interior-mutability/interior-mutability.stderr
+++ b/tests/ui/interior-mutability/interior-mutability.stderr
@@ -7,7 +7,8 @@ LL |     catch_unwind(|| { x.set(23); });
    |     required by a bound introduced by this call
    |
    = help: within `Cell<i32>`, the trait `RefUnwindSafe` is not implemented for `UnsafeCell<i32>`
-   = note: required because it appears within the type `Cell<i32>`
+note: required because it appears within the type `Cell<i32>`
+  --> $SRC_DIR/core/src/cell.rs:LL:COL
    = note: required for `&Cell<i32>` to implement `UnwindSafe`
 note: required because it's used within this closure
   --> $DIR/interior-mutability.rs:5:18
diff --git a/tests/ui/invalid/invalid-debugger-visualizer-option.rs b/tests/ui/invalid/invalid-debugger-visualizer-option.rs
index 5645a30ccee..150723898bd 100644
--- a/tests/ui/invalid/invalid-debugger-visualizer-option.rs
+++ b/tests/ui/invalid/invalid-debugger-visualizer-option.rs
@@ -1,7 +1,6 @@
 // normalize-stderr-test: "foo.random:.*\(" -> "foo.random: $$FILE_NOT_FOUND_MSG ("
 // normalize-stderr-test: "os error \d+" -> "os error $$FILE_NOT_FOUND_CODE"
 
-#![feature(debugger_visualizer)]
 #![debugger_visualizer(random_file = "../foo.random")] //~ ERROR invalid argument
 #![debugger_visualizer(natvis_file = "../foo.random")] //~ ERROR
 fn main() {}
diff --git a/tests/ui/invalid/invalid-debugger-visualizer-option.stderr b/tests/ui/invalid/invalid-debugger-visualizer-option.stderr
index afb8d16ee96..6fbb4d641e6 100644
--- a/tests/ui/invalid/invalid-debugger-visualizer-option.stderr
+++ b/tests/ui/invalid/invalid-debugger-visualizer-option.stderr
@@ -1,5 +1,5 @@
 error: invalid argument
-  --> $DIR/invalid-debugger-visualizer-option.rs:5:24
+  --> $DIR/invalid-debugger-visualizer-option.rs:4:24
    |
 LL | #![debugger_visualizer(random_file = "../foo.random")]
    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -9,7 +9,7 @@ LL | #![debugger_visualizer(random_file = "../foo.random")]
    = note: expected: `gdb_script_file = "..."`
 
 error: couldn't read $DIR/../foo.random: $FILE_NOT_FOUND_MSG (os error $FILE_NOT_FOUND_CODE)
-  --> $DIR/invalid-debugger-visualizer-option.rs:6:24
+  --> $DIR/invalid-debugger-visualizer-option.rs:5:24
    |
 LL | #![debugger_visualizer(natvis_file = "../foo.random")]
    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
diff --git a/tests/ui/invalid/invalid-debugger-visualizer-target.rs b/tests/ui/invalid/invalid-debugger-visualizer-target.rs
index f0aba6a75c4..f9dd20dbfed 100644
--- a/tests/ui/invalid/invalid-debugger-visualizer-target.rs
+++ b/tests/ui/invalid/invalid-debugger-visualizer-target.rs
@@ -1,4 +1,2 @@
-#![feature(debugger_visualizer)]
-
 #[debugger_visualizer(natvis_file = "../foo.natvis")] //~ ERROR attribute should be applied to a module
 fn main() {}
diff --git a/tests/ui/invalid/invalid-debugger-visualizer-target.stderr b/tests/ui/invalid/invalid-debugger-visualizer-target.stderr
index 3555bbb169b..7944f751859 100644
--- a/tests/ui/invalid/invalid-debugger-visualizer-target.stderr
+++ b/tests/ui/invalid/invalid-debugger-visualizer-target.stderr
@@ -1,5 +1,5 @@
 error: attribute should be applied to a module
-  --> $DIR/invalid-debugger-visualizer-target.rs:3:1
+  --> $DIR/invalid-debugger-visualizer-target.rs:1:1
    |
 LL | #[debugger_visualizer(natvis_file = "../foo.natvis")]
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
diff --git a/tests/ui/issues/auxiliary/issue-111011.rs b/tests/ui/issues/auxiliary/issue-111011.rs
new file mode 100644
index 00000000000..927134a588c
--- /dev/null
+++ b/tests/ui/issues/auxiliary/issue-111011.rs
@@ -0,0 +1,12 @@
+#![feature(async_closure)]
+
+// edition:2021
+
+fn foo<X>(x: impl FnOnce() -> Box<X>) {}
+// just to make sure async closures can still be suggested for boxing.
+fn bar<X>(x: Box<dyn FnOnce() -> X>) {}
+
+fn main() {
+    foo(async move || {}); //~ ERROR mismatched types
+    bar(async move || {}); //~ ERROR mismatched types
+}
diff --git a/tests/ui/issues/auxiliary/issue-111011.stderr b/tests/ui/issues/auxiliary/issue-111011.stderr
new file mode 100644
index 00000000000..082f0f035ad
--- /dev/null
+++ b/tests/ui/issues/auxiliary/issue-111011.stderr
@@ -0,0 +1,34 @@
+error[E0308]: mismatched types
+  --> $DIR/issue-111011.rs:10:23
+   |
+LL |     foo(async move || {});
+   |                       ^^ expected `Box<_>`, found `async` closure body
+   |
+   = note:            expected struct `Box<_>`
+           found `async` closure body `[async closure body@$DIR/issue-111011.rs:10:23: 10:25]`
+   = note: for more on the distinction between the stack and the heap, read https://doc.rust-lang.org/book/ch15-01-box.html, https://doc.rust-lang.org/rust-by-example/std/box.html, and https://doc.rust-lang.org/std/boxed/index.html
+
+error[E0308]: mismatched types
+  --> $DIR/issue-111011.rs:11:9
+   |
+LL |     bar(async move || {});
+   |     --- ^^^^^^^^^^^^^^^^ expected `Box<dyn FnOnce() -> _>`, found closure
+   |     |
+   |     arguments to this function are incorrect
+   |
+   = note: expected struct `Box<(dyn FnOnce() -> _ + 'static)>`
+             found closure `[closure@$DIR/issue-111011.rs:11:9: 11:22]`
+   = note: for more on the distinction between the stack and the heap, read https://doc.rust-lang.org/book/ch15-01-box.html, https://doc.rust-lang.org/rust-by-example/std/box.html, and https://doc.rust-lang.org/std/boxed/index.html
+note: function defined here
+  --> $DIR/issue-111011.rs:7:4
+   |
+LL | fn bar<X>(x: Box<dyn FnOnce() -> X>) {}
+   |    ^^^    -------------------------
+help: store this in the heap by calling `Box::new`
+   |
+LL |     bar(Box::new(async move || {}));
+   |         +++++++++                +
+
+error: aborting due to 2 previous errors
+
+For more information about this error, try `rustc --explain E0308`.
diff --git a/tests/ui/issues/auxiliary/issue-3136-a.rc b/tests/ui/issues/auxiliary/issue-3136-a.rc
deleted file mode 100644
index cd5fd314505..00000000000
--- a/tests/ui/issues/auxiliary/issue-3136-a.rc
+++ /dev/null
@@ -1,4 +0,0 @@
-#![crate_type = "lib"]
-
-#[path = "issue-3136-a.rs"]
-pub mod issue_3136_a;
diff --git a/tests/ui/issues/auxiliary/issue-3136-a.rs b/tests/ui/issues/auxiliary/issue-3136-a.rs
index 9bb546ab393..22bb1c8f977 100644
--- a/tests/ui/issues/auxiliary/issue-3136-a.rs
+++ b/tests/ui/issues/auxiliary/issue-3136-a.rs
@@ -1,11 +1,14 @@
+#![crate_type = "lib"]
+
 trait x {
     fn use_x<T>(&self);
 }
 struct y(());
 impl x for y {
     fn use_x<T>(&self) {
-        struct foo { //~ ERROR quux
-            i: ()
+        struct foo {
+            //~ ERROR quux
+            i: (),
         }
         fn new_foo<T>(i: ()) -> foo {
             foo { i: i }
diff --git a/tests/ui/issues/issue-11374.stderr b/tests/ui/issues/issue-11374.stderr
index 6e1fb1540bb..879dc5b76c5 100644
--- a/tests/ui/issues/issue-11374.stderr
+++ b/tests/ui/issues/issue-11374.stderr
@@ -2,10 +2,8 @@ error[E0308]: mismatched types
   --> $DIR/issue-11374.rs:26:15
    |
 LL |     c.read_to(v);
-   |       ------- ^
-   |       |       |
-   |       |       expected `&mut [u8]`, found `Vec<_>`
-   |       |       help: consider mutably borrowing here: `&mut v`
+   |       ------- ^ expected `&mut [u8]`, found `Vec<_>`
+   |       |
    |       arguments to this method are incorrect
    |
    = note: expected mutable reference `&mut [u8]`
@@ -15,6 +13,10 @@ note: method defined here
    |
 LL |     pub fn read_to(&mut self, vec: &mut [u8]) {
    |            ^^^^^^^            --------------
+help: consider mutably borrowing here
+   |
+LL |     c.read_to(&mut v);
+   |               ++++
 
 error: aborting due to previous error
 
diff --git a/tests/ui/issues/issue-14366.stderr b/tests/ui/issues/issue-14366.stderr
index 10a73b245ac..df61aabf00a 100644
--- a/tests/ui/issues/issue-14366.stderr
+++ b/tests/ui/issues/issue-14366.stderr
@@ -5,8 +5,8 @@ LL |     let _x = "test" as &dyn (::std::any::Any);
    |              ^^^^^^ doesn't have a size known at compile-time
    |
    = help: the trait `Sized` is not implemented for `str`
-   = note: required for the cast from `str` to the object type `dyn Any`
-help: consider borrowing the value, since `&str` can be coerced into `dyn Any`
+   = note: required for the cast from `&'static str` to `&(dyn Any + 'static)`
+help: consider borrowing the value, since `&&'static str` can be coerced into `&(dyn Any + 'static)`
    |
 LL |     let _x = &"test" as &dyn (::std::any::Any);
    |              +
diff --git a/tests/ui/issues/issue-17033.stderr b/tests/ui/issues/issue-17033.stderr
index f26bee5ff45..3419c079859 100644
--- a/tests/ui/issues/issue-17033.stderr
+++ b/tests/ui/issues/issue-17033.stderr
@@ -2,11 +2,14 @@ error[E0308]: mismatched types
   --> $DIR/issue-17033.rs:2:10
    |
 LL |     (*p)(())
-   |     ---- ^^
-   |     |    |
-   |     |    expected `&mut ()`, found `()`
-   |     |    help: consider mutably borrowing here: `&mut ()`
+   |     ---- ^^ expected `&mut ()`, found `()`
+   |     |
    |     arguments to this function are incorrect
+   |
+help: consider mutably borrowing here
+   |
+LL |     (*p)(&mut ())
+   |          ++++
 
 error: aborting due to previous error
 
diff --git a/tests/ui/issues/issue-18819.stderr b/tests/ui/issues/issue-18819.stderr
index 1fc974b609c..40098f9622f 100644
--- a/tests/ui/issues/issue-18819.stderr
+++ b/tests/ui/issues/issue-18819.stderr
@@ -19,7 +19,7 @@ LL | fn print_x(_: &dyn Foo<Item=bool>, extra: &str) {
 help: consider borrowing here
    |
 LL |     print_x(&X);
-   |             ~~
+   |             +
 help: provide the argument
    |
 LL |     print_x(/* &dyn Foo<Item = bool> */, /* &str */);
diff --git a/tests/ui/issues/issue-21763.rs b/tests/ui/issues/issue-21763.rs
index 5beb1d8b8c4..38103ff4f9c 100644
--- a/tests/ui/issues/issue-21763.rs
+++ b/tests/ui/issues/issue-21763.rs
@@ -1,5 +1,7 @@
 // Regression test for HashMap only impl'ing Send/Sync if its contents do
 
+// normalize-stderr-test: "\S+hashbrown-\S+" -> "$$HASHBROWN_SRC_LOCATION"
+
 use std::collections::HashMap;
 use std::rc::Rc;
 
diff --git a/tests/ui/issues/issue-21763.stderr b/tests/ui/issues/issue-21763.stderr
index 04379f07ba0..df50118ac47 100644
--- a/tests/ui/issues/issue-21763.stderr
+++ b/tests/ui/issues/issue-21763.stderr
@@ -1,5 +1,5 @@
 error[E0277]: `Rc<()>` cannot be sent between threads safely
-  --> $DIR/issue-21763.rs:9:11
+  --> $DIR/issue-21763.rs:11:11
    |
 LL |     foo::<HashMap<Rc<()>, Rc<()>>>();
    |           ^^^^^^^^^^^^^^^^^^^^^^^ `Rc<()>` cannot be sent between threads safely
@@ -7,10 +7,15 @@ LL |     foo::<HashMap<Rc<()>, Rc<()>>>();
    = help: within `(Rc<()>, Rc<()>)`, the trait `Send` is not implemented for `Rc<()>`
    = note: required because it appears within the type `(Rc<()>, Rc<()>)`
    = note: required for `hashbrown::raw::RawTable<(Rc<()>, Rc<()>)>` to implement `Send`
-   = note: required because it appears within the type `HashMap<Rc<()>, Rc<()>, RandomState>`
-   = note: required because it appears within the type `HashMap<Rc<()>, Rc<()>>`
+note: required because it appears within the type `HashMap<Rc<()>, Rc<()>, RandomState>`
+  --> $HASHBROWN_SRC_LOCATION
+   |
+LL | pub struct HashMap<K, V, S = DefaultHashBuilder, A: Allocator + Clone = Global> {
+   |            ^^^^^^^
+note: required because it appears within the type `HashMap<Rc<()>, Rc<()>>`
+  --> $SRC_DIR/std/src/collections/hash/map.rs:LL:COL
 note: required by a bound in `foo`
-  --> $DIR/issue-21763.rs:6:11
+  --> $DIR/issue-21763.rs:8:11
    |
 LL | fn foo<T: Send>() {}
    |           ^^^^ required by this bound in `foo`
diff --git a/tests/ui/issues/issue-22034.stderr b/tests/ui/issues/issue-22034.stderr
index b32de5b24b9..9833e559cbc 100644
--- a/tests/ui/issues/issue-22034.stderr
+++ b/tests/ui/issues/issue-22034.stderr
@@ -6,7 +6,7 @@ LL |         &mut *(ptr as *mut dyn Fn())
    |
    = help: the trait `Fn<()>` is not implemented for `()`
    = note: wrap the `()` in a closure with no arguments: `|| { /* code */ }`
-   = note: required for the cast from `()` to the object type `dyn Fn()`
+   = note: required for the cast from `*mut ()` to `*mut dyn Fn()`
 
 error: aborting due to previous error
 
diff --git a/tests/ui/issues/issue-22644.rs b/tests/ui/issues/issue-22644.rs
index b1d69dcd862..e3ada65049d 100644
--- a/tests/ui/issues/issue-22644.rs
+++ b/tests/ui/issues/issue-22644.rs
@@ -1,18 +1,12 @@
-#![feature(type_ascription)]
-
 fn main() {
-    let a : usize = 0;
-    let long_name : usize = 0;
+    let a: usize = 0;
+    let long_name: usize = 0;
 
     println!("{}", a as usize > long_name);
     println!("{}", a as usize < long_name); //~ ERROR `<` is interpreted as a start of generic
     println!("{}{}", a as usize < long_name, long_name);
     //~^ ERROR `<` is interpreted as a start of generic
     println!("{}", a as usize < 4); //~ ERROR `<` is interpreted as a start of generic
-    println!("{}", a: usize > long_name);
-    println!("{}{}", a: usize < long_name, long_name);
-    //~^ ERROR `<` is interpreted as a start of generic
-    println!("{}", a: usize < 4); //~ ERROR `<` is interpreted as a start of generic
 
     println!("{}", a
                    as
@@ -30,6 +24,4 @@ fn main() {
                    5);
 
     println!("{}", a as usize << long_name); //~ ERROR `<<` is interpreted as a start of generic
-
-    println!("{}", a: &mut 4); //~ ERROR expected type, found `4`
 }
diff --git a/tests/ui/issues/issue-22644.stderr b/tests/ui/issues/issue-22644.stderr
index 45027afa7b6..0799e9ef11b 100644
--- a/tests/ui/issues/issue-22644.stderr
+++ b/tests/ui/issues/issue-22644.stderr
@@ -1,5 +1,5 @@
 error: `<` is interpreted as a start of generic arguments for `usize`, not a comparison
-  --> $DIR/issue-22644.rs:8:31
+  --> $DIR/issue-22644.rs:6:31
    |
 LL |     println!("{}", a as usize < long_name);
    |                               ^ --------- interpreted as generic arguments
@@ -12,7 +12,7 @@ LL |     println!("{}", (a as usize) < long_name);
    |                    +          +
 
 error: `<` is interpreted as a start of generic arguments for `usize`, not a comparison
-  --> $DIR/issue-22644.rs:9:33
+  --> $DIR/issue-22644.rs:7:33
    |
 LL |     println!("{}{}", a as usize < long_name, long_name);
    |                                 ^ -------------------- interpreted as generic arguments
@@ -25,7 +25,7 @@ LL |     println!("{}{}", (a as usize) < long_name, long_name);
    |                      +          +
 
 error: `<` is interpreted as a start of generic arguments for `usize`, not a comparison
-  --> $DIR/issue-22644.rs:11:31
+  --> $DIR/issue-22644.rs:9:31
    |
 LL |     println!("{}", a as usize < 4);
    |                               ^ - interpreted as generic arguments
@@ -38,33 +38,7 @@ LL |     println!("{}", (a as usize) < 4);
    |                    +          +
 
 error: `<` is interpreted as a start of generic arguments for `usize`, not a comparison
-  --> $DIR/issue-22644.rs:13:31
-   |
-LL |     println!("{}{}", a: usize < long_name, long_name);
-   |                               ^ -------------------- interpreted as generic arguments
-   |                               |
-   |                               not interpreted as comparison
-   |
-help: try comparing the cast value
-   |
-LL |     println!("{}{}", (a: usize) < long_name, long_name);
-   |                      +        +
-
-error: `<` is interpreted as a start of generic arguments for `usize`, not a comparison
-  --> $DIR/issue-22644.rs:15:29
-   |
-LL |     println!("{}", a: usize < 4);
-   |                             ^ - interpreted as generic arguments
-   |                             |
-   |                             not interpreted as comparison
-   |
-help: try comparing the cast value
-   |
-LL |     println!("{}", (a: usize) < 4);
-   |                    +        +
-
-error: `<` is interpreted as a start of generic arguments for `usize`, not a comparison
-  --> $DIR/issue-22644.rs:20:20
+  --> $DIR/issue-22644.rs:14:20
    |
 LL |                    <
    |                    ^ not interpreted as comparison
@@ -79,7 +53,7 @@ LL ~                    usize)
    |
 
 error: `<` is interpreted as a start of generic arguments for `usize`, not a comparison
-  --> $DIR/issue-22644.rs:29:20
+  --> $DIR/issue-22644.rs:23:20
    |
 LL |                    <
    |                    ^ not interpreted as comparison
@@ -96,7 +70,7 @@ LL ~                    usize)
    |
 
 error: `<<` is interpreted as a start of generic arguments for `usize`, not a shift
-  --> $DIR/issue-22644.rs:32:31
+  --> $DIR/issue-22644.rs:26:31
    |
 LL |     println!("{}", a as usize << long_name);
    |                               ^^ --------- interpreted as generic arguments
@@ -108,16 +82,5 @@ help: try shifting the cast value
 LL |     println!("{}", (a as usize) << long_name);
    |                    +          +
 
-error: expected type, found `4`
-  --> $DIR/issue-22644.rs:34:28
-   |
-LL |     println!("{}", a: &mut 4);
-   |                     -      ^ expected type
-   |                     |
-   |                     tried to parse a type due to this type ascription
-   |
-   = note: `#![feature(type_ascription)]` lets you annotate an expression with a type: `<expr>: <type>`
-   = note: see issue #23416 <https://github.com/rust-lang/rust/issues/23416> for more information
-
-error: aborting due to 9 previous errors
+error: aborting due to 6 previous errors
 
diff --git a/tests/ui/issues/issue-22872.stderr b/tests/ui/issues/issue-22872.stderr
index 9510197197a..63222d25c01 100644
--- a/tests/ui/issues/issue-22872.stderr
+++ b/tests/ui/issues/issue-22872.stderr
@@ -13,7 +13,7 @@ LL | impl<'b, P> Wrap<'b> for Wrapper<P>
 LL | where P: Process<'b>,
 LL |       <P as Process<'b>>::Item: Iterator {
    |                                 -------- unsatisfied trait bound introduced here
-   = note: required for the cast from `Wrapper<P>` to the object type `dyn for<'b> Wrap<'b>`
+   = note: required for the cast from `Box<Wrapper<P>>` to `Box<dyn for<'b> Wrap<'b>>`
 help: consider further restricting the associated type
    |
 LL | fn push_process<P>(process: P) where P: Process<'static>, <P as Process<'_>>::Item: Iterator {
diff --git a/tests/ui/issues/issue-2748-a.rs b/tests/ui/issues/issue-2748-a.rs
deleted file mode 100644
index cbb9bcc28ac..00000000000
--- a/tests/ui/issues/issue-2748-a.rs
+++ /dev/null
@@ -1,17 +0,0 @@
-// build-pass
-#![allow(dead_code)]
-#![allow(non_snake_case)]
-
-// pretty-expanded FIXME #23616
-
-struct CMap<'a> {
-    buf: &'a [u8],
-}
-
-fn CMap(buf: &[u8]) -> CMap {
-    CMap {
-        buf: buf
-    }
-}
-
-pub fn main() { }
diff --git a/tests/ui/issues/issue-3136-b.rs b/tests/ui/issues/issue-3136-b.rs
index c4ca7236e76..33d97fe7c83 100644
--- a/tests/ui/issues/issue-3136-b.rs
+++ b/tests/ui/issues/issue-3136-b.rs
@@ -1,5 +1,5 @@
 // run-pass
-// aux-build:issue-3136-a.rc
+// aux-build:issue-3136-a.rs
 
 // pretty-expanded FIXME #23616
 
diff --git a/tests/ui/issues/issue-32709.stderr b/tests/ui/issues/issue-32709.stderr
index 1d595ca5649..a4ba5da4d87 100644
--- a/tests/ui/issues/issue-32709.stderr
+++ b/tests/ui/issues/issue-32709.stderr
@@ -7,9 +7,16 @@ LL |     Err(5)?;
    |           ^ the trait `From<{integer}>` is not implemented for `()`
    |
    = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait
-   = help: the following other types implement trait `FromResidual<R>`:
-             <Result<T, F> as FromResidual<Result<Infallible, E>>>
-             <Result<T, F> as FromResidual<Yeet<E>>>
+   = help: the following other types implement trait `From<T>`:
+             <(T, T) as From<[T; 2]>>
+             <(T, T, T) as From<[T; 3]>>
+             <(T, T, T, T) as From<[T; 4]>>
+             <(T, T, T, T, T) as From<[T; 5]>>
+             <(T, T, T, T, T, T) as From<[T; 6]>>
+             <(T, T, T, T, T, T, T) as From<[T; 7]>>
+             <(T, T, T, T, T, T, T, T) as From<[T; 8]>>
+             <(T, T, T, T, T, T, T, T, T) as From<[T; 9]>>
+           and 4 others
    = note: required for `Result<i32, ()>` to implement `FromResidual<Result<Infallible, {integer}>>`
 
 error: aborting due to previous error
diff --git a/tests/ui/issues/issue-46302.stderr b/tests/ui/issues/issue-46302.stderr
index a6f97c3c9af..6e126038cc9 100644
--- a/tests/ui/issues/issue-46302.stderr
+++ b/tests/ui/issues/issue-46302.stderr
@@ -2,10 +2,12 @@ error[E0308]: mismatched types
   --> $DIR/issue-46302.rs:3:27
    |
 LL |   let u: &str = if true { s[..2] } else { s };
-   |                           ^^^^^^
-   |                           |
-   |                           expected `&str`, found `str`
-   |                           help: consider borrowing here: `&s[..2]`
+   |                           ^^^^^^ expected `&str`, found `str`
+   |
+help: consider borrowing here
+   |
+LL |   let u: &str = if true { &s[..2] } else { s };
+   |                           +
 
 error: aborting due to previous error
 
diff --git a/tests/ui/issues/issue-46756-consider-borrowing-cast-or-binexpr.stderr b/tests/ui/issues/issue-46756-consider-borrowing-cast-or-binexpr.stderr
index e874ded8ec5..211dd512895 100644
--- a/tests/ui/issues/issue-46756-consider-borrowing-cast-or-binexpr.stderr
+++ b/tests/ui/issues/issue-46756-consider-borrowing-cast-or-binexpr.stderr
@@ -2,10 +2,8 @@ error[E0308]: mismatched types
   --> $DIR/issue-46756-consider-borrowing-cast-or-binexpr.rs:12:42
    |
 LL |     light_flows_our_war_of_mocking_words(behold as usize);
-   |     ------------------------------------ ^^^^^^^^^^^^^^^
-   |     |                                    |
-   |     |                                    expected `&usize`, found `usize`
-   |     |                                    help: consider borrowing here: `&(behold as usize)`
+   |     ------------------------------------ ^^^^^^^^^^^^^^^ expected `&usize`, found `usize`
+   |     |
    |     arguments to this function are incorrect
    |
 note: function defined here
@@ -13,15 +11,17 @@ note: function defined here
    |
 LL | fn light_flows_our_war_of_mocking_words(and_yet: &usize) -> usize {
    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ---------------
+help: consider borrowing here
+   |
+LL |     light_flows_our_war_of_mocking_words(&(behold as usize));
+   |                                          ++               +
 
 error[E0308]: mismatched types
   --> $DIR/issue-46756-consider-borrowing-cast-or-binexpr.rs:14:42
    |
 LL |     light_flows_our_war_of_mocking_words(with_tears + 4);
-   |     ------------------------------------ ^^^^^^^^^^^^^^
-   |     |                                    |
-   |     |                                    expected `&usize`, found `usize`
-   |     |                                    help: consider borrowing here: `&(with_tears + 4)`
+   |     ------------------------------------ ^^^^^^^^^^^^^^ expected `&usize`, found `usize`
+   |     |
    |     arguments to this function are incorrect
    |
 note: function defined here
@@ -29,6 +29,10 @@ note: function defined here
    |
 LL | fn light_flows_our_war_of_mocking_words(and_yet: &usize) -> usize {
    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ---------------
+help: consider borrowing here
+   |
+LL |     light_flows_our_war_of_mocking_words(&(with_tears + 4));
+   |                                          ++              +
 
 error: aborting due to 2 previous errors
 
diff --git a/tests/ui/issues/issue-51515.rs b/tests/ui/issues/issue-51515.rs
index 84e09afac0a..33a9bf85e23 100644
--- a/tests/ui/issues/issue-51515.rs
+++ b/tests/ui/issues/issue-51515.rs
@@ -1,7 +1,6 @@
 fn main() {
     let foo = &16;
     //~^ HELP consider changing this to be a mutable reference
-    //~| SUGGESTION &mut 16
     *foo = 32;
     //~^ ERROR cannot assign to `*foo`, which is behind a `&` reference
     let bar = foo;
diff --git a/tests/ui/issues/issue-51515.stderr b/tests/ui/issues/issue-51515.stderr
index 94e5c9f1b83..88b8d210908 100644
--- a/tests/ui/issues/issue-51515.stderr
+++ b/tests/ui/issues/issue-51515.stderr
@@ -1,5 +1,5 @@
 error[E0594]: cannot assign to `*foo`, which is behind a `&` reference
-  --> $DIR/issue-51515.rs:5:5
+  --> $DIR/issue-51515.rs:4:5
    |
 LL |     *foo = 32;
    |     ^^^^^^^^^ `foo` is a `&` reference, so the data it refers to cannot be written
@@ -7,10 +7,10 @@ LL |     *foo = 32;
 help: consider changing this to be a mutable reference
    |
 LL |     let foo = &mut 16;
-   |               ~~~~~~~
+   |                +++
 
 error[E0594]: cannot assign to `*bar`, which is behind a `&` reference
-  --> $DIR/issue-51515.rs:9:5
+  --> $DIR/issue-51515.rs:8:5
    |
 LL |     *bar = 64;
    |     ^^^^^^^^^ `bar` is a `&` reference, so the data it refers to cannot be written
diff --git a/tests/ui/issues/issue-58857.stderr b/tests/ui/issues/issue-58857.stderr
index e2acec47e5a..6aef35f0bb9 100644
--- a/tests/ui/issues/issue-58857.stderr
+++ b/tests/ui/issues/issue-58857.stderr
@@ -1,8 +1,8 @@
 error: negative bounds are not supported
-  --> $DIR/issue-58857.rs:4:7
+  --> $DIR/issue-58857.rs:4:9
    |
 LL | impl<A: !Valid> Conj<A>{}
-   |       ^^^^^^^^ negative bounds are not supported
+   |         ^
 
 error: aborting due to previous error
 
diff --git a/tests/ui/issues/issue-61106.stderr b/tests/ui/issues/issue-61106.stderr
index eff3e6e7849..aa922e2682d 100644
--- a/tests/ui/issues/issue-61106.stderr
+++ b/tests/ui/issues/issue-61106.stderr
@@ -2,10 +2,8 @@ error[E0308]: mismatched types
   --> $DIR/issue-61106.rs:3:9
    |
 LL |     foo(x.clone());
-   |     --- ^^^^^^^^^
-   |     |   |
-   |     |   expected `&str`, found `String`
-   |     |   help: consider borrowing here: `&x`
+   |     --- ^^^^^^^^^ expected `&str`, found `String`
+   |     |
    |     arguments to this function are incorrect
    |
 note: function defined here
@@ -13,6 +11,10 @@ note: function defined here
    |
 LL | fn foo(_: &str) {}
    |    ^^^ -------
+help: consider borrowing here
+   |
+LL |     foo(&x.clone());
+   |         +
 
 error: aborting due to previous error
 
diff --git a/tests/ui/issues/issue-61623.stderr b/tests/ui/issues/issue-61623.stderr
index 5fcc338557c..bedea3890a3 100644
--- a/tests/ui/issues/issue-61623.stderr
+++ b/tests/ui/issues/issue-61623.stderr
@@ -7,7 +7,7 @@ LL |     f2(|| x.0, f1(x.1))
 help: consider changing this to be a mutable reference
    |
 LL | fn f3<'a>(x: &'a mut ((), &'a mut ())) {
-   |              ~~~~~~~~~~~~~~~~~~~~~~~~
+   |                  +++
 
 error: aborting due to previous error
 
diff --git a/tests/ui/issues/issue-7364.stderr b/tests/ui/issues/issue-7364.stderr
index aee73380f15..7449fe697ae 100644
--- a/tests/ui/issues/issue-7364.stderr
+++ b/tests/ui/issues/issue-7364.stderr
@@ -7,7 +7,8 @@ LL | static boxed: Box<RefCell<isize>> = Box::new(RefCell::new(0));
    = help: the trait `Sync` is not implemented for `RefCell<isize>`
    = note: if you want to do aliasing and mutation between multiple threads, use `std::sync::RwLock` instead
    = note: required for `Unique<RefCell<isize>>` to implement `Sync`
-   = note: required because it appears within the type `Box<RefCell<isize>>`
+note: required because it appears within the type `Box<RefCell<isize>>`
+  --> $SRC_DIR/alloc/src/boxed.rs:LL:COL
    = note: shared static variables must have a type that implements `Sync`
 
 error: aborting due to previous error
diff --git a/tests/ui/kindck/kindck-impl-type-params.stderr b/tests/ui/kindck/kindck-impl-type-params.stderr
index efb25bf83e1..53c1940491f 100644
--- a/tests/ui/kindck/kindck-impl-type-params.stderr
+++ b/tests/ui/kindck/kindck-impl-type-params.stderr
@@ -11,7 +11,7 @@ LL | impl<T: Send + Copy + 'static> Gettable<T> for S<T> {}
    |         ----                   ^^^^^^^^^^^     ^^^^
    |         |
    |         unsatisfied trait bound introduced here
-   = note: required for the cast from `S<T>` to the object type `dyn Gettable<T>`
+   = note: required for the cast from `&S<T>` to `&dyn Gettable<T>`
 help: consider restricting type parameter `T`
    |
 LL | fn f<T: std::marker::Send>(val: T) {
@@ -30,7 +30,7 @@ LL | impl<T: Send + Copy + 'static> Gettable<T> for S<T> {}
    |                ----            ^^^^^^^^^^^     ^^^^
    |                |
    |                unsatisfied trait bound introduced here
-   = note: required for the cast from `S<T>` to the object type `dyn Gettable<T>`
+   = note: required for the cast from `&S<T>` to `&dyn Gettable<T>`
 help: consider restricting type parameter `T`
    |
 LL | fn f<T: std::marker::Copy>(val: T) {
@@ -49,7 +49,7 @@ LL | impl<T: Send + Copy + 'static> Gettable<T> for S<T> {}
    |         ----                   ^^^^^^^^^^^     ^^^^
    |         |
    |         unsatisfied trait bound introduced here
-   = note: required for the cast from `S<T>` to the object type `dyn Gettable<T>`
+   = note: required for the cast from `&S<T>` to `&dyn Gettable<T>`
 help: consider restricting type parameter `T`
    |
 LL | fn g<T: std::marker::Send>(val: T) {
@@ -68,7 +68,7 @@ LL | impl<T: Send + Copy + 'static> Gettable<T> for S<T> {}
    |                ----            ^^^^^^^^^^^     ^^^^
    |                |
    |                unsatisfied trait bound introduced here
-   = note: required for the cast from `S<T>` to the object type `dyn Gettable<T>`
+   = note: required for the cast from `&S<T>` to `&dyn Gettable<T>`
 help: consider restricting type parameter `T`
    |
 LL | fn g<T: std::marker::Copy>(val: T) {
@@ -88,7 +88,7 @@ LL | impl<T: Send + Copy + 'static> Gettable<T> for S<T> {}
    |                ----            ^^^^^^^^^^^     ^^^^
    |                |
    |                unsatisfied trait bound introduced here
-   = note: required for the cast from `S<String>` to the object type `dyn Gettable<String>`
+   = note: required for the cast from `Box<S<String>>` to `Box<dyn Gettable<String>>`
 
 error[E0277]: the trait bound `Foo: Copy` is not satisfied
   --> $DIR/kindck-impl-type-params.rs:43:37
@@ -104,7 +104,7 @@ LL | impl<T: Send + Copy + 'static> Gettable<T> for S<T> {}
    |                ----            ^^^^^^^^^^^     ^^^^
    |                |
    |                unsatisfied trait bound introduced here
-   = note: required for the cast from `S<Foo>` to the object type `dyn Gettable<Foo>`
+   = note: required for the cast from `Box<S<Foo>>` to `Box<dyn Gettable<Foo>>`
 help: consider annotating `Foo` with `#[derive(Copy)]`
    |
 LL +     #[derive(Copy)]
diff --git a/tests/ui/kindck/kindck-inherited-copy-bound.curr.stderr b/tests/ui/kindck/kindck-inherited-copy-bound.curr.stderr
index 8d45748a6c4..29495176556 100644
--- a/tests/ui/kindck/kindck-inherited-copy-bound.curr.stderr
+++ b/tests/ui/kindck/kindck-inherited-copy-bound.curr.stderr
@@ -46,8 +46,7 @@ LL | trait Foo : Copy {
    |       ---   ^^^^ ...because it requires `Self: Sized`
    |       |
    |       this trait cannot be made into an object...
-   = note: required for `&Box<{integer}>` to implement `CoerceUnsized<&dyn Foo>`
-   = note: required by cast to type `&dyn Foo`
+   = note: required for the cast from `&Box<{integer}>` to `&dyn Foo`
 
 error: aborting due to 3 previous errors
 
diff --git a/tests/ui/kindck/kindck-inherited-copy-bound.object_safe_for_dispatch.stderr b/tests/ui/kindck/kindck-inherited-copy-bound.object_safe_for_dispatch.stderr
index 2fbb5a98a8d..3e164ebf514 100644
--- a/tests/ui/kindck/kindck-inherited-copy-bound.object_safe_for_dispatch.stderr
+++ b/tests/ui/kindck/kindck-inherited-copy-bound.object_safe_for_dispatch.stderr
@@ -32,8 +32,7 @@ LL | trait Foo : Copy {
    |       ---   ^^^^ ...because it requires `Self: Sized`
    |       |
    |       this trait cannot be made into an object...
-   = note: required for `&Box<i32>` to implement `CoerceUnsized<&dyn Foo>`
-   = note: required by cast to type `&dyn Foo`
+   = note: required for the cast from `&Box<i32>` to `&dyn Foo`
 
 error: aborting due to 2 previous errors
 
diff --git a/tests/ui/kindck/kindck-send-object.stderr b/tests/ui/kindck/kindck-send-object.stderr
index e9bbeeacd70..284d5dcec31 100644
--- a/tests/ui/kindck/kindck-send-object.stderr
+++ b/tests/ui/kindck/kindck-send-object.stderr
@@ -20,7 +20,8 @@ LL |     assert_send::<Box<dyn Dummy>>();
    |
    = help: the trait `Send` is not implemented for `dyn Dummy`
    = note: required for `Unique<dyn Dummy>` to implement `Send`
-   = note: required because it appears within the type `Box<dyn Dummy>`
+note: required because it appears within the type `Box<dyn Dummy>`
+  --> $SRC_DIR/alloc/src/boxed.rs:LL:COL
 note: required by a bound in `assert_send`
   --> $DIR/kindck-send-object.rs:5:18
    |
diff --git a/tests/ui/kindck/kindck-send-object1.stderr b/tests/ui/kindck/kindck-send-object1.stderr
index 19ef4f6fc68..269193f73b4 100644
--- a/tests/ui/kindck/kindck-send-object1.stderr
+++ b/tests/ui/kindck/kindck-send-object1.stderr
@@ -20,7 +20,8 @@ LL |     assert_send::<Box<dyn Dummy + 'a>>();
    |
    = help: the trait `Send` is not implemented for `(dyn Dummy + 'a)`
    = note: required for `Unique<(dyn Dummy + 'a)>` to implement `Send`
-   = note: required because it appears within the type `Box<dyn Dummy>`
+note: required because it appears within the type `Box<dyn Dummy>`
+  --> $SRC_DIR/alloc/src/boxed.rs:LL:COL
 note: required by a bound in `assert_send`
   --> $DIR/kindck-send-object1.rs:5:18
    |
diff --git a/tests/ui/kindck/kindck-send-object2.stderr b/tests/ui/kindck/kindck-send-object2.stderr
index b8af33d0dc1..6b8df60227f 100644
--- a/tests/ui/kindck/kindck-send-object2.stderr
+++ b/tests/ui/kindck/kindck-send-object2.stderr
@@ -20,7 +20,8 @@ LL |     assert_send::<Box<dyn Dummy>>();
    |
    = help: the trait `Send` is not implemented for `dyn Dummy`
    = note: required for `Unique<dyn Dummy>` to implement `Send`
-   = note: required because it appears within the type `Box<dyn Dummy>`
+note: required because it appears within the type `Box<dyn Dummy>`
+  --> $SRC_DIR/alloc/src/boxed.rs:LL:COL
 note: required by a bound in `assert_send`
   --> $DIR/kindck-send-object2.rs:3:18
    |
diff --git a/tests/ui/kindck/kindck-send-owned.stderr b/tests/ui/kindck/kindck-send-owned.stderr
index b03f56465ce..dc1bb6206af 100644
--- a/tests/ui/kindck/kindck-send-owned.stderr
+++ b/tests/ui/kindck/kindck-send-owned.stderr
@@ -6,7 +6,8 @@ LL |     assert_send::<Box<*mut u8>>();
    |
    = help: the trait `Send` is not implemented for `*mut u8`
    = note: required for `Unique<*mut u8>` to implement `Send`
-   = note: required because it appears within the type `Box<*mut u8>`
+note: required because it appears within the type `Box<*mut u8>`
+  --> $SRC_DIR/alloc/src/boxed.rs:LL:COL
 note: required by a bound in `assert_send`
   --> $DIR/kindck-send-owned.rs:3:18
    |
diff --git a/tests/ui/kindck/kindck-send-unsafe.rs b/tests/ui/kindck/kindck-send-unsafe.rs
index 4ef30a71fa3..eb1f2a549b1 100644
--- a/tests/ui/kindck/kindck-send-unsafe.rs
+++ b/tests/ui/kindck/kindck-send-unsafe.rs
@@ -1,11 +1,15 @@
 extern crate core;
 
-fn assert_send<T:Send>() { }
+fn assert_send<T: Send>() {}
+
+fn test70() {
+    assert_send::<*mut isize>();
+    //~^ ERROR `*mut isize` cannot be sent between threads safely
+}
 
 fn test71<'a>() {
     assert_send::<*mut &'a isize>();
     //~^ ERROR `*mut &'a isize` cannot be sent between threads safely
 }
 
-fn main() {
-}
+fn main() {}
diff --git a/tests/ui/kindck/kindck-send-unsafe.rs~rust-lang_master b/tests/ui/kindck/kindck-send-unsafe.rs~rust-lang_master
deleted file mode 100644
index 3f0444ec9c8..00000000000
--- a/tests/ui/kindck/kindck-send-unsafe.rs~rust-lang_master
+++ /dev/null
@@ -1,12 +0,0 @@
-fn assert_send<T:Send>() { }
-
-// unsafe ptrs are ok unless they point at unsendable things
-fn test70() {
-    assert_send::<*mut int>();
-}
-fn test71<'a>() {
-    assert_send::<*mut &'a int>(); //~ ERROR does not fulfill the required lifetime
-}
-
-fn main() {
-}
diff --git a/tests/ui/kindck/kindck-send-unsafe.stderr b/tests/ui/kindck/kindck-send-unsafe.stderr
index ceed0053caa..f1a5054abbc 100644
--- a/tests/ui/kindck/kindck-send-unsafe.stderr
+++ b/tests/ui/kindck/kindck-send-unsafe.stderr
@@ -1,16 +1,29 @@
-error[E0277]: `*mut &'a isize` cannot be sent between threads safely
+error[E0277]: `*mut isize` cannot be sent between threads safely
   --> $DIR/kindck-send-unsafe.rs:6:19
    |
+LL |     assert_send::<*mut isize>();
+   |                   ^^^^^^^^^^ `*mut isize` cannot be sent between threads safely
+   |
+   = help: the trait `Send` is not implemented for `*mut isize`
+note: required by a bound in `assert_send`
+  --> $DIR/kindck-send-unsafe.rs:3:19
+   |
+LL | fn assert_send<T: Send>() {}
+   |                   ^^^^ required by this bound in `assert_send`
+
+error[E0277]: `*mut &'a isize` cannot be sent between threads safely
+  --> $DIR/kindck-send-unsafe.rs:11:19
+   |
 LL |     assert_send::<*mut &'a isize>();
    |                   ^^^^^^^^^^^^^^ `*mut &'a isize` cannot be sent between threads safely
    |
    = help: the trait `Send` is not implemented for `*mut &'a isize`
 note: required by a bound in `assert_send`
-  --> $DIR/kindck-send-unsafe.rs:3:18
+  --> $DIR/kindck-send-unsafe.rs:3:19
    |
-LL | fn assert_send<T:Send>() { }
-   |                  ^^^^ required by this bound in `assert_send`
+LL | fn assert_send<T: Send>() {}
+   |                   ^^^^ required by this bound in `assert_send`
 
-error: aborting due to previous error
+error: aborting due to 2 previous errors
 
 For more information about this error, try `rustc --explain E0277`.
diff --git a/tests/ui/layout/debug.rs b/tests/ui/layout/debug.rs
index a282e71235c..46171880a6f 100644
--- a/tests/ui/layout/debug.rs
+++ b/tests/ui/layout/debug.rs
@@ -1,8 +1,9 @@
 // normalize-stderr-test "pref: Align\([1-8] bytes\)" -> "pref: $$PREF_ALIGN"
-#![feature(never_type, rustc_attrs, type_alias_impl_trait)]
+#![feature(never_type, rustc_attrs, type_alias_impl_trait, repr_simd)]
 #![crate_type = "lib"]
 
 #[rustc_layout(debug)]
+#[derive(Copy, Clone)]
 enum E { Foo, Bar(!, i32, i32) } //~ ERROR: layout_of
 
 #[rustc_layout(debug)]
@@ -17,6 +18,51 @@ type Test = Result<i32, i32>; //~ ERROR: layout_of
 #[rustc_layout(debug)]
 type T = impl std::fmt::Debug; //~ ERROR: layout_of
 
+#[rustc_layout(debug)]
+pub union V { //~ ERROR: layout_of
+    a: [u16; 0],
+    b: u8,
+}
+
+#[rustc_layout(debug)]
+pub union W { //~ ERROR: layout_of
+    b: u8,
+    a: [u16; 0],
+}
+
+#[rustc_layout(debug)]
+pub union Y { //~ ERROR: layout_of
+    b: [u8; 0],
+    a: [u16; 0],
+}
+
+#[rustc_layout(debug)]
+#[repr(packed(1))]
+union P1 { x: u32 } //~ ERROR: layout_of
+
+#[rustc_layout(debug)]
+#[repr(packed(1))]
+union P2 { x: (u32, u32) } //~ ERROR: layout_of
+
+#[repr(simd)]
+#[derive(Copy, Clone)]
+struct F32x4(f32, f32, f32, f32);
+
+#[rustc_layout(debug)]
+#[repr(packed(1))]
+union P3 { x: F32x4 } //~ ERROR: layout_of
+
+#[rustc_layout(debug)]
+#[repr(packed(1))]
+union P4 { x: E } //~ ERROR: layout_of
+
+#[rustc_layout(debug)]
+#[repr(packed(1))]
+union P5 { zst: [u16; 0], byte: u8 } //~ ERROR: layout_of
+
+#[rustc_layout(debug)]
+type X = std::mem::MaybeUninit<u8>; //~ ERROR: layout_of
+
 fn f() -> T {
     0i32
 }
diff --git a/tests/ui/layout/debug.stderr b/tests/ui/layout/debug.stderr
index c5e1c41d130..b9fa1b299e9 100644
--- a/tests/ui/layout/debug.stderr
+++ b/tests/ui/layout/debug.stderr
@@ -81,7 +81,7 @@ error: layout_of(E) = Layout {
                ],
            },
        }
-  --> $DIR/debug.rs:6:1
+  --> $DIR/debug.rs:7:1
    |
 LL | enum E { Foo, Bar(!, i32, i32) }
    | ^^^^^^
@@ -125,7 +125,7 @@ error: layout_of(S) = Layout {
                index: 0,
            },
        }
-  --> $DIR/debug.rs:9:1
+  --> $DIR/debug.rs:10:1
    |
 LL | struct S { f1: i32, f2: (), f3: i32 }
    | ^^^^^^^^
@@ -147,7 +147,7 @@ error: layout_of(U) = Layout {
                index: 0,
            },
        }
-  --> $DIR/debug.rs:12:1
+  --> $DIR/debug.rs:13:1
    |
 LL | union U { f1: (i32, i32), f3: i32 }
    | ^^^^^^^
@@ -276,7 +276,7 @@ error: layout_of(std::result::Result<i32, i32>) = Layout {
                ],
            },
        }
-  --> $DIR/debug.rs:15:1
+  --> $DIR/debug.rs:16:1
    |
 LL | type Test = Result<i32, i32>;
    | ^^^^^^^^^
@@ -302,10 +302,218 @@ error: layout_of(i32) = Layout {
                index: 0,
            },
        }
-  --> $DIR/debug.rs:18:1
+  --> $DIR/debug.rs:19:1
    |
 LL | type T = impl std::fmt::Debug;
    | ^^^^^^
 
-error: aborting due to 5 previous errors
+error: layout_of(V) = Layout {
+           size: Size(2 bytes),
+           align: AbiAndPrefAlign {
+               abi: Align(2 bytes),
+               pref: $PREF_ALIGN,
+           },
+           abi: Aggregate {
+               sized: true,
+           },
+           fields: Union(
+               2,
+           ),
+           largest_niche: None,
+           variants: Single {
+               index: 0,
+           },
+       }
+  --> $DIR/debug.rs:22:1
+   |
+LL | pub union V {
+   | ^^^^^^^^^^^
+
+error: layout_of(W) = Layout {
+           size: Size(2 bytes),
+           align: AbiAndPrefAlign {
+               abi: Align(2 bytes),
+               pref: $PREF_ALIGN,
+           },
+           abi: Aggregate {
+               sized: true,
+           },
+           fields: Union(
+               2,
+           ),
+           largest_niche: None,
+           variants: Single {
+               index: 0,
+           },
+       }
+  --> $DIR/debug.rs:28:1
+   |
+LL | pub union W {
+   | ^^^^^^^^^^^
+
+error: layout_of(Y) = Layout {
+           size: Size(0 bytes),
+           align: AbiAndPrefAlign {
+               abi: Align(2 bytes),
+               pref: $PREF_ALIGN,
+           },
+           abi: Aggregate {
+               sized: true,
+           },
+           fields: Union(
+               2,
+           ),
+           largest_niche: None,
+           variants: Single {
+               index: 0,
+           },
+       }
+  --> $DIR/debug.rs:34:1
+   |
+LL | pub union Y {
+   | ^^^^^^^^^^^
+
+error: layout_of(P1) = Layout {
+           size: Size(4 bytes),
+           align: AbiAndPrefAlign {
+               abi: Align(1 bytes),
+               pref: $PREF_ALIGN,
+           },
+           abi: Aggregate {
+               sized: true,
+           },
+           fields: Union(
+               1,
+           ),
+           largest_niche: None,
+           variants: Single {
+               index: 0,
+           },
+       }
+  --> $DIR/debug.rs:41:1
+   |
+LL | union P1 { x: u32 }
+   | ^^^^^^^^
+
+error: layout_of(P2) = Layout {
+           size: Size(8 bytes),
+           align: AbiAndPrefAlign {
+               abi: Align(1 bytes),
+               pref: $PREF_ALIGN,
+           },
+           abi: Aggregate {
+               sized: true,
+           },
+           fields: Union(
+               1,
+           ),
+           largest_niche: None,
+           variants: Single {
+               index: 0,
+           },
+       }
+  --> $DIR/debug.rs:45:1
+   |
+LL | union P2 { x: (u32, u32) }
+   | ^^^^^^^^
+
+error: layout_of(P3) = Layout {
+           size: Size(16 bytes),
+           align: AbiAndPrefAlign {
+               abi: Align(1 bytes),
+               pref: $PREF_ALIGN,
+           },
+           abi: Aggregate {
+               sized: true,
+           },
+           fields: Union(
+               1,
+           ),
+           largest_niche: None,
+           variants: Single {
+               index: 0,
+           },
+       }
+  --> $DIR/debug.rs:53:1
+   |
+LL | union P3 { x: F32x4 }
+   | ^^^^^^^^
+
+error: layout_of(P4) = Layout {
+           size: Size(12 bytes),
+           align: AbiAndPrefAlign {
+               abi: Align(1 bytes),
+               pref: $PREF_ALIGN,
+           },
+           abi: Aggregate {
+               sized: true,
+           },
+           fields: Union(
+               1,
+           ),
+           largest_niche: None,
+           variants: Single {
+               index: 0,
+           },
+       }
+  --> $DIR/debug.rs:57:1
+   |
+LL | union P4 { x: E }
+   | ^^^^^^^^
+
+error: layout_of(P5) = Layout {
+           size: Size(1 bytes),
+           align: AbiAndPrefAlign {
+               abi: Align(1 bytes),
+               pref: $PREF_ALIGN,
+           },
+           abi: Scalar(
+               Union {
+                   value: Int(
+                       I8,
+                       false,
+                   ),
+               },
+           ),
+           fields: Union(
+               2,
+           ),
+           largest_niche: None,
+           variants: Single {
+               index: 0,
+           },
+       }
+  --> $DIR/debug.rs:61:1
+   |
+LL | union P5 { zst: [u16; 0], byte: u8 }
+   | ^^^^^^^^
+
+error: layout_of(std::mem::MaybeUninit<u8>) = Layout {
+           size: Size(1 bytes),
+           align: AbiAndPrefAlign {
+               abi: Align(1 bytes),
+               pref: $PREF_ALIGN,
+           },
+           abi: Scalar(
+               Union {
+                   value: Int(
+                       I8,
+                       false,
+                   ),
+               },
+           ),
+           fields: Union(
+               2,
+           ),
+           largest_niche: None,
+           variants: Single {
+               index: 0,
+           },
+       }
+  --> $DIR/debug.rs:64:1
+   |
+LL | type X = std::mem::MaybeUninit<u8>;
+   | ^^^^^^
+
+error: aborting due to 14 previous errors
 
diff --git a/tests/ui/lifetimes/issue-64173-unused-lifetimes.rs b/tests/ui/lifetimes/issue-64173-unused-lifetimes.rs
index 8080dd7dc34..3879784d0b0 100644
--- a/tests/ui/lifetimes/issue-64173-unused-lifetimes.rs
+++ b/tests/ui/lifetimes/issue-64173-unused-lifetimes.rs
@@ -13,7 +13,7 @@ const fn foo<T>() -> usize {
 }
 
 struct Bar<'a> { //~ ERROR: parameter `'a` is never used
-    beta: [(); foo::<&'a ()>()], //~ ERROR: a non-static lifetime is not allowed in a `const`
+    beta: [(); foo::<&'a ()>()], //~ ERROR: generic parameters may not be used in const operations
 }
 
 fn main() {}
diff --git a/tests/ui/lifetimes/issue-64173-unused-lifetimes.stderr b/tests/ui/lifetimes/issue-64173-unused-lifetimes.stderr
index a487cbea537..02ca10b2eb6 100644
--- a/tests/ui/lifetimes/issue-64173-unused-lifetimes.stderr
+++ b/tests/ui/lifetimes/issue-64173-unused-lifetimes.stderr
@@ -1,11 +1,11 @@
-error[E0658]: a non-static lifetime is not allowed in a `const`
+error: generic parameters may not be used in const operations
   --> $DIR/issue-64173-unused-lifetimes.rs:16:23
    |
 LL |     beta: [(); foo::<&'a ()>()],
-   |                       ^^
+   |                       ^^ cannot perform const operation using `'a`
    |
-   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
-   = help: add `#![feature(generic_const_exprs)]` to the crate attributes to enable
+   = note: lifetime parameters may not be used in const expressions
+   = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
 
 error: generic `Self` types are currently not permitted in anonymous constants
   --> $DIR/issue-64173-unused-lifetimes.rs:4:28
@@ -31,5 +31,4 @@ LL | struct Bar<'a> {
 
 error: aborting due to 4 previous errors
 
-Some errors have detailed explanations: E0392, E0658.
-For more information about an error, try `rustc --explain E0392`.
+For more information about this error, try `rustc --explain E0392`.
diff --git a/tests/ui/lifetimes/unusual-rib-combinations.rs b/tests/ui/lifetimes/unusual-rib-combinations.rs
index 0ae68ad04f7..2f5ba98445b 100644
--- a/tests/ui/lifetimes/unusual-rib-combinations.rs
+++ b/tests/ui/lifetimes/unusual-rib-combinations.rs
@@ -27,7 +27,7 @@ fn d<const C: S>() {}
 
 trait Foo<'a> {}
 struct Bar<const N: &'a (dyn for<'a> Foo<'a>)>;
-//~^ ERROR use of non-static lifetime `'a` in const generic
+//~^ ERROR the type of const parameters must not depend on other generic parameters
 //~| ERROR `&dyn for<'a> Foo<'a>` is forbidden as the type of a const generic parameter
 
 fn main() {}
diff --git a/tests/ui/lifetimes/unusual-rib-combinations.stderr b/tests/ui/lifetimes/unusual-rib-combinations.stderr
index 20163d289b1..4994e4dc444 100644
--- a/tests/ui/lifetimes/unusual-rib-combinations.stderr
+++ b/tests/ui/lifetimes/unusual-rib-combinations.stderr
@@ -9,13 +9,13 @@ help: consider introducing a named lifetime parameter
 LL | fn d<'a, const C: S<'a>>() {}
    |      +++           ++++
 
-error[E0771]: use of non-static lifetime `'a` in const generic
+error[E0770]: the type of const parameters must not depend on other generic parameters
   --> $DIR/unusual-rib-combinations.rs:29:22
    |
 LL | struct Bar<const N: &'a (dyn for<'a> Foo<'a>)>;
-   |                      ^^
+   |                      ^^ the type must not depend on the parameter `'a`
    |
-   = note: for more information, see issue #74052 <https://github.com/rust-lang/rust/issues/74052>
+   = note: lifetime parameters may not be used in the type of const parameters
 
 error[E0214]: parenthesized type parameters may only be used with a `Fn` trait
   --> $DIR/unusual-rib-combinations.rs:7:16
@@ -74,5 +74,5 @@ LL | struct Bar<const N: &'a (dyn for<'a> Foo<'a>)>;
 
 error: aborting due to 9 previous errors
 
-Some errors have detailed explanations: E0106, E0214, E0308, E0771.
+Some errors have detailed explanations: E0106, E0214, E0308, E0770.
 For more information about an error, try `rustc --explain E0106`.
diff --git a/tests/ui/lint/drop_copy.rs b/tests/ui/lint/drop_copy.rs
new file mode 100644
index 00000000000..0adcd34505f
--- /dev/null
+++ b/tests/ui/lint/drop_copy.rs
@@ -0,0 +1,79 @@
+// check-pass
+
+#![warn(drop_copy)]
+
+use std::mem::drop;
+use std::vec::Vec;
+
+#[derive(Copy, Clone)]
+struct SomeStruct;
+
+struct AnotherStruct {
+    x: u8,
+    y: u8,
+    z: Vec<u8>,
+}
+
+impl Clone for AnotherStruct {
+    fn clone(&self) -> AnotherStruct {
+        AnotherStruct {
+            x: self.x,
+            y: self.y,
+            z: self.z.clone(),
+        }
+    }
+}
+
+fn main() {
+    let s1 = SomeStruct {};
+    let s2 = s1;
+    let s3 = &s1;
+    let mut s4 = s1;
+    let ref s5 = s1;
+
+    drop(s1); //~ WARN calls to `std::mem::drop`
+    drop(s2); //~ WARN calls to `std::mem::drop`
+    drop(s3); //~ WARN calls to `std::mem::drop`
+    drop(s4); //~ WARN calls to `std::mem::drop`
+    drop(s5); //~ WARN calls to `std::mem::drop`
+
+    let a1 = AnotherStruct {
+        x: 255,
+        y: 0,
+        z: vec![1, 2, 3],
+    };
+    let a2 = &a1;
+    let mut a3 = a1.clone();
+    let ref a4 = a1;
+    let a5 = a1.clone();
+
+    drop(a2); //~ WARN calls to `std::mem::drop`
+    drop(a3);
+    drop(a4); //~ WARN calls to `std::mem::drop`
+    drop(a5);
+}
+
+#[allow(unused)]
+#[allow(clippy::unit_cmp)]
+fn issue9482(x: u8) {
+    fn println_and<T>(t: T) -> T {
+        println!("foo");
+        t
+    }
+
+    match x {
+        // Don't lint (copy type), we only care about side-effects
+        0 => drop(println_and(12)),
+        // Don't lint (no copy type), we only care about side-effects
+        1 => drop(println_and(String::new())),
+        2 => {
+            // Lint, even if we only care about the side-effect, it's already in a block
+            drop(println_and(13)); //~ WARN calls to `std::mem::drop`
+        },
+         // Lint, idiomatic use is only in body of `Arm`
+        3 if drop(println_and(14)) == () => (), //~ WARN calls to `std::mem::drop`
+        // Lint, not a fn/method call
+        4 => drop(2),//~ WARN calls to `std::mem::drop`
+        _ => (),
+    }
+}
diff --git a/tests/ui/lint/drop_copy.stderr b/tests/ui/lint/drop_copy.stderr
new file mode 100644
index 00000000000..db8e89ad295
--- /dev/null
+++ b/tests/ui/lint/drop_copy.stderr
@@ -0,0 +1,108 @@
+warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
+  --> $DIR/drop_copy.rs:34:5
+   |
+LL |     drop(s1);
+   |     ^^^^^--^
+   |          |
+   |          argument has type `SomeStruct`
+   |
+   = note: use `let _ = ...` to ignore the expression or result
+note: the lint level is defined here
+  --> $DIR/drop_copy.rs:3:9
+   |
+LL | #![warn(drop_copy)]
+   |         ^^^^^^^^^
+
+warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
+  --> $DIR/drop_copy.rs:35:5
+   |
+LL |     drop(s2);
+   |     ^^^^^--^
+   |          |
+   |          argument has type `SomeStruct`
+   |
+   = note: use `let _ = ...` to ignore the expression or result
+
+warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
+  --> $DIR/drop_copy.rs:36:5
+   |
+LL |     drop(s3);
+   |     ^^^^^--^
+   |          |
+   |          argument has type `&SomeStruct`
+   |
+   = note: use `let _ = ...` to ignore the expression or result
+   = note: `#[warn(drop_ref)]` on by default
+
+warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
+  --> $DIR/drop_copy.rs:37:5
+   |
+LL |     drop(s4);
+   |     ^^^^^--^
+   |          |
+   |          argument has type `SomeStruct`
+   |
+   = note: use `let _ = ...` to ignore the expression or result
+
+warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
+  --> $DIR/drop_copy.rs:38:5
+   |
+LL |     drop(s5);
+   |     ^^^^^--^
+   |          |
+   |          argument has type `&SomeStruct`
+   |
+   = note: use `let _ = ...` to ignore the expression or result
+
+warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
+  --> $DIR/drop_copy.rs:50:5
+   |
+LL |     drop(a2);
+   |     ^^^^^--^
+   |          |
+   |          argument has type `&AnotherStruct`
+   |
+   = note: use `let _ = ...` to ignore the expression or result
+
+warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
+  --> $DIR/drop_copy.rs:52:5
+   |
+LL |     drop(a4);
+   |     ^^^^^--^
+   |          |
+   |          argument has type `&AnotherStruct`
+   |
+   = note: use `let _ = ...` to ignore the expression or result
+
+warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
+  --> $DIR/drop_copy.rs:71:13
+   |
+LL |             drop(println_and(13));
+   |             ^^^^^---------------^
+   |                  |
+   |                  argument has type `i32`
+   |
+   = note: use `let _ = ...` to ignore the expression or result
+
+warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
+  --> $DIR/drop_copy.rs:74:14
+   |
+LL |         3 if drop(println_and(14)) == () => (),
+   |              ^^^^^---------------^
+   |                   |
+   |                   argument has type `i32`
+   |
+   = note: use `let _ = ...` to ignore the expression or result
+
+warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
+  --> $DIR/drop_copy.rs:76:14
+   |
+LL |         4 => drop(2),
+   |              ^^^^^-^
+   |                   |
+   |                   argument has type `i32`
+   |
+   = note: use `let _ = ...` to ignore the expression or result
+
+warning: 10 warnings emitted
+
diff --git a/tests/ui/lint/drop_ref.rs b/tests/ui/lint/drop_ref.rs
new file mode 100644
index 00000000000..db4f7569f6f
--- /dev/null
+++ b/tests/ui/lint/drop_ref.rs
@@ -0,0 +1,99 @@
+// check-pass
+
+#![warn(drop_ref)]
+
+struct SomeStruct;
+
+fn main() {
+    drop(&SomeStruct); //~ WARN calls to `std::mem::drop`
+
+    let mut owned1 = SomeStruct;
+    drop(&owned1); //~ WARN calls to `std::mem::drop`
+    drop(&&owned1); //~ WARN calls to `std::mem::drop`
+    drop(&mut owned1); //~ WARN calls to `std::mem::drop`
+    drop(owned1);
+
+    let reference1 = &SomeStruct;
+    drop(reference1); //~ WARN calls to `std::mem::drop`
+
+    let reference2 = &mut SomeStruct;
+    drop(reference2); //~ WARN calls to `std::mem::drop`
+
+    let ref reference3 = SomeStruct;
+    drop(reference3); //~ WARN calls to `std::mem::drop`
+}
+
+#[allow(dead_code)]
+fn test_generic_fn_drop<T>(val: T) {
+    drop(&val); //~ WARN calls to `std::mem::drop`
+    drop(val);
+}
+
+#[allow(dead_code)]
+fn test_similarly_named_function() {
+    fn drop<T>(_val: T) {}
+    drop(&SomeStruct); //OK; call to unrelated function which happens to have the same name
+    std::mem::drop(&SomeStruct); //~ WARN calls to `std::mem::drop`
+}
+
+#[derive(Copy, Clone)]
+pub struct Error;
+fn produce_half_owl_error() -> Result<(), Error> {
+    Ok(())
+}
+
+fn produce_half_owl_ok() -> Result<bool, ()> {
+    Ok(true)
+}
+
+#[allow(dead_code)]
+fn test_owl_result() -> Result<(), ()> {
+    produce_half_owl_error().map_err(|_| ())?;
+    produce_half_owl_ok().map(|_| ())?;
+    // the following should not be linted,
+    // we should not force users to use toilet closures
+    // to produce owl results when drop is more convenient
+    produce_half_owl_error().map_err(drop)?;
+    produce_half_owl_ok().map_err(drop)?;
+    Ok(())
+}
+
+#[allow(dead_code)]
+fn test_owl_result_2() -> Result<u8, ()> {
+    produce_half_owl_error().map_err(|_| ())?;
+    produce_half_owl_ok().map(|_| ())?;
+    // the following should not be linted,
+    // we should not force users to use toilet closures
+    // to produce owl results when drop is more convenient
+    produce_half_owl_error().map_err(drop)?;
+    produce_half_owl_ok().map(drop)?;
+    Ok(1)
+}
+
+#[allow(unused)]
+#[allow(clippy::unit_cmp)]
+fn issue10122(x: u8) {
+    // This is a function which returns a reference and has a side-effect, which means
+    // that calling drop() on the function is considered an idiomatic way of achieving
+    // the side-effect in a match arm.
+    fn println_and<T>(t: &T) -> &T {
+        println!("foo");
+        t
+    }
+
+    match x {
+        // Don't lint (copy type), we only care about side-effects
+        0 => drop(println_and(&12)),
+        // Don't lint (no copy type), we only care about side-effects
+        1 => drop(println_and(&String::new())),
+        2 => {
+            // Lint, even if we only care about the side-effect, it's already in a block
+            drop(println_and(&13)); //~ WARN calls to `std::mem::drop`
+        },
+        // Lint, idiomatic use is only in body of `Arm`
+        3 if drop(println_and(&14)) == () => (), //~ WARN calls to `std::mem::drop`
+         // Lint, not a fn/method call
+        4 => drop(&2), //~ WARN calls to `std::mem::drop`
+        _ => (),
+    }
+}
diff --git a/tests/ui/lint/drop_ref.stderr b/tests/ui/lint/drop_ref.stderr
new file mode 100644
index 00000000000..04c988fe99d
--- /dev/null
+++ b/tests/ui/lint/drop_ref.stderr
@@ -0,0 +1,127 @@
+warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
+  --> $DIR/drop_ref.rs:8:5
+   |
+LL |     drop(&SomeStruct);
+   |     ^^^^^-----------^
+   |          |
+   |          argument has type `&SomeStruct`
+   |
+   = note: use `let _ = ...` to ignore the expression or result
+note: the lint level is defined here
+  --> $DIR/drop_ref.rs:3:9
+   |
+LL | #![warn(drop_ref)]
+   |         ^^^^^^^^
+
+warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
+  --> $DIR/drop_ref.rs:11:5
+   |
+LL |     drop(&owned1);
+   |     ^^^^^-------^
+   |          |
+   |          argument has type `&SomeStruct`
+   |
+   = note: use `let _ = ...` to ignore the expression or result
+
+warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
+  --> $DIR/drop_ref.rs:12:5
+   |
+LL |     drop(&&owned1);
+   |     ^^^^^--------^
+   |          |
+   |          argument has type `&&SomeStruct`
+   |
+   = note: use `let _ = ...` to ignore the expression or result
+
+warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
+  --> $DIR/drop_ref.rs:13:5
+   |
+LL |     drop(&mut owned1);
+   |     ^^^^^-----------^
+   |          |
+   |          argument has type `&mut SomeStruct`
+   |
+   = note: use `let _ = ...` to ignore the expression or result
+
+warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
+  --> $DIR/drop_ref.rs:17:5
+   |
+LL |     drop(reference1);
+   |     ^^^^^----------^
+   |          |
+   |          argument has type `&SomeStruct`
+   |
+   = note: use `let _ = ...` to ignore the expression or result
+
+warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
+  --> $DIR/drop_ref.rs:20:5
+   |
+LL |     drop(reference2);
+   |     ^^^^^----------^
+   |          |
+   |          argument has type `&mut SomeStruct`
+   |
+   = note: use `let _ = ...` to ignore the expression or result
+
+warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
+  --> $DIR/drop_ref.rs:23:5
+   |
+LL |     drop(reference3);
+   |     ^^^^^----------^
+   |          |
+   |          argument has type `&SomeStruct`
+   |
+   = note: use `let _ = ...` to ignore the expression or result
+
+warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
+  --> $DIR/drop_ref.rs:28:5
+   |
+LL |     drop(&val);
+   |     ^^^^^----^
+   |          |
+   |          argument has type `&T`
+   |
+   = note: use `let _ = ...` to ignore the expression or result
+
+warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
+  --> $DIR/drop_ref.rs:36:5
+   |
+LL |     std::mem::drop(&SomeStruct);
+   |     ^^^^^^^^^^^^^^^-----------^
+   |                    |
+   |                    argument has type `&SomeStruct`
+   |
+   = note: use `let _ = ...` to ignore the expression or result
+
+warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
+  --> $DIR/drop_ref.rs:91:13
+   |
+LL |             drop(println_and(&13));
+   |             ^^^^^----------------^
+   |                  |
+   |                  argument has type `&i32`
+   |
+   = note: use `let _ = ...` to ignore the expression or result
+
+warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
+  --> $DIR/drop_ref.rs:94:14
+   |
+LL |         3 if drop(println_and(&14)) == () => (),
+   |              ^^^^^----------------^
+   |                   |
+   |                   argument has type `&i32`
+   |
+   = note: use `let _ = ...` to ignore the expression or result
+
+warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
+  --> $DIR/drop_ref.rs:96:14
+   |
+LL |         4 => drop(&2),
+   |              ^^^^^--^
+   |                   |
+   |                   argument has type `&i32`
+   |
+   = note: use `let _ = ...` to ignore the expression or result
+
+warning: 12 warnings emitted
+
diff --git a/tests/ui/lint/forget_copy.rs b/tests/ui/lint/forget_copy.rs
new file mode 100644
index 00000000000..a6b17b76971
--- /dev/null
+++ b/tests/ui/lint/forget_copy.rs
@@ -0,0 +1,56 @@
+// check-pass
+
+#![warn(forget_copy)]
+
+use std::mem::forget;
+use std::vec::Vec;
+
+#[derive(Copy, Clone)]
+struct SomeStruct;
+
+struct AnotherStruct {
+    x: u8,
+    y: u8,
+    z: Vec<u8>,
+}
+
+impl Clone for AnotherStruct {
+    fn clone(&self) -> AnotherStruct {
+        AnotherStruct {
+            x: self.x,
+            y: self.y,
+            z: self.z.clone(),
+        }
+    }
+}
+
+fn main() {
+    let s1 = SomeStruct {};
+    let s2 = s1;
+    let s3 = &s1;
+    let mut s4 = s1;
+    let ref s5 = s1;
+
+    forget(s1); //~ WARN calls to `std::mem::forget`
+    forget(s2); //~ WARN calls to `std::mem::forget`
+    forget(s3); //~ WARN calls to `std::mem::forget`
+    forget(s4); //~ WARN calls to `std::mem::forget`
+    forget(s5); //~ WARN calls to `std::mem::forget`
+
+    let a1 = AnotherStruct {
+        x: 255,
+        y: 0,
+        z: vec![1, 2, 3],
+    };
+    let a2 = &a1;
+    let mut a3 = a1.clone();
+    let ref a4 = a1;
+    let a5 = a1.clone();
+
+    forget(a2); //~ WARN calls to `std::mem::forget`
+    let a3 = &a1;
+    forget(a3); //~ WARN calls to `std::mem::forget`
+    forget(a4); //~ WARN calls to `std::mem::forget`
+    let a5 = a1.clone();
+    forget(a5);
+}
diff --git a/tests/ui/lint/forget_copy.stderr b/tests/ui/lint/forget_copy.stderr
new file mode 100644
index 00000000000..37bc8a8854e
--- /dev/null
+++ b/tests/ui/lint/forget_copy.stderr
@@ -0,0 +1,88 @@
+warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing
+  --> $DIR/forget_copy.rs:34:5
+   |
+LL |     forget(s1);
+   |     ^^^^^^^--^
+   |            |
+   |            argument has type `SomeStruct`
+   |
+   = note: use `let _ = ...` to ignore the expression or result
+note: the lint level is defined here
+  --> $DIR/forget_copy.rs:3:9
+   |
+LL | #![warn(forget_copy)]
+   |         ^^^^^^^^^^^
+
+warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing
+  --> $DIR/forget_copy.rs:35:5
+   |
+LL |     forget(s2);
+   |     ^^^^^^^--^
+   |            |
+   |            argument has type `SomeStruct`
+   |
+   = note: use `let _ = ...` to ignore the expression or result
+
+warning: calls to `std::mem::forget` with a reference instead of an owned value does nothing
+  --> $DIR/forget_copy.rs:36:5
+   |
+LL |     forget(s3);
+   |     ^^^^^^^--^
+   |            |
+   |            argument has type `&SomeStruct`
+   |
+   = note: use `let _ = ...` to ignore the expression or result
+   = note: `#[warn(forget_ref)]` on by default
+
+warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing
+  --> $DIR/forget_copy.rs:37:5
+   |
+LL |     forget(s4);
+   |     ^^^^^^^--^
+   |            |
+   |            argument has type `SomeStruct`
+   |
+   = note: use `let _ = ...` to ignore the expression or result
+
+warning: calls to `std::mem::forget` with a reference instead of an owned value does nothing
+  --> $DIR/forget_copy.rs:38:5
+   |
+LL |     forget(s5);
+   |     ^^^^^^^--^
+   |            |
+   |            argument has type `&SomeStruct`
+   |
+   = note: use `let _ = ...` to ignore the expression or result
+
+warning: calls to `std::mem::forget` with a reference instead of an owned value does nothing
+  --> $DIR/forget_copy.rs:50:5
+   |
+LL |     forget(a2);
+   |     ^^^^^^^--^
+   |            |
+   |            argument has type `&AnotherStruct`
+   |
+   = note: use `let _ = ...` to ignore the expression or result
+
+warning: calls to `std::mem::forget` with a reference instead of an owned value does nothing
+  --> $DIR/forget_copy.rs:52:5
+   |
+LL |     forget(a3);
+   |     ^^^^^^^--^
+   |            |
+   |            argument has type `&AnotherStruct`
+   |
+   = note: use `let _ = ...` to ignore the expression or result
+
+warning: calls to `std::mem::forget` with a reference instead of an owned value does nothing
+  --> $DIR/forget_copy.rs:53:5
+   |
+LL |     forget(a4);
+   |     ^^^^^^^--^
+   |            |
+   |            argument has type `&AnotherStruct`
+   |
+   = note: use `let _ = ...` to ignore the expression or result
+
+warning: 8 warnings emitted
+
diff --git a/tests/ui/lint/forget_ref.rs b/tests/ui/lint/forget_ref.rs
new file mode 100644
index 00000000000..13f6d4be3d1
--- /dev/null
+++ b/tests/ui/lint/forget_ref.rs
@@ -0,0 +1,39 @@
+// check-pass
+
+#![warn(forget_ref)]
+
+use std::mem::forget;
+
+struct SomeStruct;
+
+fn main() {
+    forget(&SomeStruct); //~ WARN calls to `std::mem::forget`
+
+    let mut owned = SomeStruct;
+    forget(&owned); //~ WARN calls to `std::mem::forget`
+    forget(&&owned); //~ WARN calls to `std::mem::forget`
+    forget(&mut owned); //~ WARN calls to `std::mem::forget`
+    forget(owned);
+
+    let reference1 = &SomeStruct;
+    forget(&*reference1); //~ WARN calls to `std::mem::forget`
+
+    let reference2 = &mut SomeStruct;
+    forget(reference2); //~ WARN calls to `std::mem::forget`
+
+    let ref reference3 = SomeStruct;
+    forget(reference3); //~ WARN calls to `std::mem::forget`
+}
+
+#[allow(dead_code)]
+fn test_generic_fn_forget<T>(val: T) {
+    forget(&val); //~ WARN calls to `std::mem::forget`
+    forget(val);
+}
+
+#[allow(dead_code)]
+fn test_similarly_named_function() {
+    fn forget<T>(_val: T) {}
+    forget(&SomeStruct); //OK; call to unrelated function which happens to have the same name
+    std::mem::forget(&SomeStruct); //~ WARN calls to `std::mem::forget`
+}
diff --git a/tests/ui/lint/forget_ref.stderr b/tests/ui/lint/forget_ref.stderr
new file mode 100644
index 00000000000..63fc7791980
--- /dev/null
+++ b/tests/ui/lint/forget_ref.stderr
@@ -0,0 +1,97 @@
+warning: calls to `std::mem::forget` with a reference instead of an owned value does nothing
+  --> $DIR/forget_ref.rs:10:5
+   |
+LL |     forget(&SomeStruct);
+   |     ^^^^^^^-----------^
+   |            |
+   |            argument has type `&SomeStruct`
+   |
+   = note: use `let _ = ...` to ignore the expression or result
+note: the lint level is defined here
+  --> $DIR/forget_ref.rs:3:9
+   |
+LL | #![warn(forget_ref)]
+   |         ^^^^^^^^^^
+
+warning: calls to `std::mem::forget` with a reference instead of an owned value does nothing
+  --> $DIR/forget_ref.rs:13:5
+   |
+LL |     forget(&owned);
+   |     ^^^^^^^------^
+   |            |
+   |            argument has type `&SomeStruct`
+   |
+   = note: use `let _ = ...` to ignore the expression or result
+
+warning: calls to `std::mem::forget` with a reference instead of an owned value does nothing
+  --> $DIR/forget_ref.rs:14:5
+   |
+LL |     forget(&&owned);
+   |     ^^^^^^^-------^
+   |            |
+   |            argument has type `&&SomeStruct`
+   |
+   = note: use `let _ = ...` to ignore the expression or result
+
+warning: calls to `std::mem::forget` with a reference instead of an owned value does nothing
+  --> $DIR/forget_ref.rs:15:5
+   |
+LL |     forget(&mut owned);
+   |     ^^^^^^^----------^
+   |            |
+   |            argument has type `&mut SomeStruct`
+   |
+   = note: use `let _ = ...` to ignore the expression or result
+
+warning: calls to `std::mem::forget` with a reference instead of an owned value does nothing
+  --> $DIR/forget_ref.rs:19:5
+   |
+LL |     forget(&*reference1);
+   |     ^^^^^^^------------^
+   |            |
+   |            argument has type `&SomeStruct`
+   |
+   = note: use `let _ = ...` to ignore the expression or result
+
+warning: calls to `std::mem::forget` with a reference instead of an owned value does nothing
+  --> $DIR/forget_ref.rs:22:5
+   |
+LL |     forget(reference2);
+   |     ^^^^^^^----------^
+   |            |
+   |            argument has type `&mut SomeStruct`
+   |
+   = note: use `let _ = ...` to ignore the expression or result
+
+warning: calls to `std::mem::forget` with a reference instead of an owned value does nothing
+  --> $DIR/forget_ref.rs:25:5
+   |
+LL |     forget(reference3);
+   |     ^^^^^^^----------^
+   |            |
+   |            argument has type `&SomeStruct`
+   |
+   = note: use `let _ = ...` to ignore the expression or result
+
+warning: calls to `std::mem::forget` with a reference instead of an owned value does nothing
+  --> $DIR/forget_ref.rs:30:5
+   |
+LL |     forget(&val);
+   |     ^^^^^^^----^
+   |            |
+   |            argument has type `&T`
+   |
+   = note: use `let _ = ...` to ignore the expression or result
+
+warning: calls to `std::mem::forget` with a reference instead of an owned value does nothing
+  --> $DIR/forget_ref.rs:38:5
+   |
+LL |     std::mem::forget(&SomeStruct);
+   |     ^^^^^^^^^^^^^^^^^-----------^
+   |                      |
+   |                      argument has type `&SomeStruct`
+   |
+   = note: use `let _ = ...` to ignore the expression or result
+
+warning: 9 warnings emitted
+
diff --git a/tests/ui/lint/internal/trivial-diagnostics.rs b/tests/ui/lint/internal/trivial-diagnostics.rs
new file mode 100644
index 00000000000..e536e1164fc
--- /dev/null
+++ b/tests/ui/lint/internal/trivial-diagnostics.rs
@@ -0,0 +1,8 @@
+// compile-flags: -Zunstable-options
+
+pub fn issue_111280() {
+    struct_span_err(msg).emit(); //~ ERROR cannot find value `msg`
+    //~^ ERROR cannot find function `struct_span_err`
+}
+
+fn main() {}
diff --git a/tests/ui/lint/internal/trivial-diagnostics.stderr b/tests/ui/lint/internal/trivial-diagnostics.stderr
new file mode 100644
index 00000000000..d47a7dae023
--- /dev/null
+++ b/tests/ui/lint/internal/trivial-diagnostics.stderr
@@ -0,0 +1,15 @@
+error[E0425]: cannot find value `msg` in this scope
+  --> $DIR/trivial-diagnostics.rs:4:21
+   |
+LL |     struct_span_err(msg).emit();
+   |                     ^^^ not found in this scope
+
+error[E0425]: cannot find function `struct_span_err` in this scope
+  --> $DIR/trivial-diagnostics.rs:4:5
+   |
+LL |     struct_span_err(msg).emit();
+   |     ^^^^^^^^^^^^^^^ not found in this scope
+
+error: aborting due to 2 previous errors
+
+For more information about this error, try `rustc --explain E0425`.
diff --git a/tests/ui/lint/invalid_value-polymorphic.rs b/tests/ui/lint/invalid_value-polymorphic.rs
index 055173e9842..98f82b792fc 100644
--- a/tests/ui/lint/invalid_value-polymorphic.rs
+++ b/tests/ui/lint/invalid_value-polymorphic.rs
@@ -1,4 +1,4 @@
-// compile-flags: --crate-type=lib -Zmir-enable-passes=+InstCombine
+// compile-flags: --crate-type=lib -Zmir-enable-passes=+InstSimplify
 // build-pass
 
 #![feature(core_intrinsics)]
diff --git a/tests/ui/lint/issue-111359.rs b/tests/ui/lint/issue-111359.rs
new file mode 100644
index 00000000000..e390c3fc565
--- /dev/null
+++ b/tests/ui/lint/issue-111359.rs
@@ -0,0 +1,27 @@
+#[deny(missing_debug_implementations)]
+#[deny(missing_copy_implementations)]
+
+mod priv_mod {
+    use std::convert::TryFrom;
+
+    pub struct BarPub;
+    //~^ ERROR type does not implement `Debug`; consider adding `#[derive(Debug)]` or a manual implementation
+    //~| ERROR type could implement `Copy`; consider adding `impl Copy`
+    struct BarPriv;
+
+    impl<'a> TryFrom<BarPriv> for u8 {
+        type Error = ();
+        fn try_from(o: BarPriv) -> Result<Self, ()> {
+            unimplemented!()
+        }
+    }
+
+    impl<'a> TryFrom<BarPub> for u8 {
+        type Error = ();
+        fn try_from(o: BarPub) -> Result<Self, ()> {
+            unimplemented!()
+        }
+    }
+}
+
+fn main() {}
diff --git a/tests/ui/lint/issue-111359.stderr b/tests/ui/lint/issue-111359.stderr
new file mode 100644
index 00000000000..2296d8413d6
--- /dev/null
+++ b/tests/ui/lint/issue-111359.stderr
@@ -0,0 +1,26 @@
+error: type does not implement `Debug`; consider adding `#[derive(Debug)]` or a manual implementation
+  --> $DIR/issue-111359.rs:7:5
+   |
+LL |     pub struct BarPub;
+   |     ^^^^^^^^^^^^^^^^^^
+   |
+note: the lint level is defined here
+  --> $DIR/issue-111359.rs:1:8
+   |
+LL | #[deny(missing_debug_implementations)]
+   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: type could implement `Copy`; consider adding `impl Copy`
+  --> $DIR/issue-111359.rs:7:5
+   |
+LL |     pub struct BarPub;
+   |     ^^^^^^^^^^^^^^^^^^
+   |
+note: the lint level is defined here
+  --> $DIR/issue-111359.rs:2:8
+   |
+LL | #[deny(missing_copy_implementations)]
+   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: aborting due to 2 previous errors
+
diff --git a/tests/ui/lint/lint-missing-doc.rs b/tests/ui/lint/lint-missing-doc.rs
index 4a234d2651a..e4c9f8f559b 100644
--- a/tests/ui/lint/lint-missing-doc.rs
+++ b/tests/ui/lint/lint-missing-doc.rs
@@ -3,6 +3,7 @@
 #![deny(missing_docs)]
 #![allow(dead_code)]
 #![feature(associated_type_defaults, extern_types)]
+#![feature(trait_alias)]
 
 //! Some garbage docs for the crate here
 #![doc="More garbage"]
@@ -202,4 +203,6 @@ extern "C" {
     //~^ ERROR: missing documentation for a foreign type
 }
 
+pub trait T = Sync; //~ ERROR: missing documentation for a trait alias
+
 fn main() {}
diff --git a/tests/ui/lint/lint-missing-doc.stderr b/tests/ui/lint/lint-missing-doc.stderr
index 733d062a08b..c94bd3b8dfb 100644
--- a/tests/ui/lint/lint-missing-doc.stderr
+++ b/tests/ui/lint/lint-missing-doc.stderr
@@ -1,5 +1,5 @@
 error: missing documentation for a type alias
-  --> $DIR/lint-missing-doc.rs:11:1
+  --> $DIR/lint-missing-doc.rs:12:1
    |
 LL | pub type PubTypedef = String;
    | ^^^^^^^^^^^^^^^^^^^
@@ -11,142 +11,148 @@ LL | #![deny(missing_docs)]
    |         ^^^^^^^^^^^^
 
 error: missing documentation for a struct
-  --> $DIR/lint-missing-doc.rs:18:1
+  --> $DIR/lint-missing-doc.rs:19:1
    |
 LL | pub struct PubFoo {
    | ^^^^^^^^^^^^^^^^^
 
 error: missing documentation for a struct field
-  --> $DIR/lint-missing-doc.rs:19:5
+  --> $DIR/lint-missing-doc.rs:20:5
    |
 LL |     pub a: isize,
    |     ^^^^^^^^^^^^
 
 error: missing documentation for a module
-  --> $DIR/lint-missing-doc.rs:30:1
+  --> $DIR/lint-missing-doc.rs:31:1
    |
 LL | pub mod pub_module_no_dox {}
    | ^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error: missing documentation for a function
-  --> $DIR/lint-missing-doc.rs:34:1
+  --> $DIR/lint-missing-doc.rs:35:1
    |
 LL | pub fn foo2() {}
    | ^^^^^^^^^^^^^
 
 error: missing documentation for a trait
-  --> $DIR/lint-missing-doc.rs:52:1
+  --> $DIR/lint-missing-doc.rs:53:1
    |
 LL | pub trait C {
    | ^^^^^^^^^^^
 
 error: missing documentation for a method
-  --> $DIR/lint-missing-doc.rs:53:5
+  --> $DIR/lint-missing-doc.rs:54:5
    |
 LL |     fn foo(&self);
    |     ^^^^^^^^^^^^^^
 
 error: missing documentation for a method
-  --> $DIR/lint-missing-doc.rs:54:5
+  --> $DIR/lint-missing-doc.rs:55:5
    |
 LL |     fn foo_with_impl(&self) {}
    |     ^^^^^^^^^^^^^^^^^^^^^^^
 
 error: missing documentation for an associated function
-  --> $DIR/lint-missing-doc.rs:55:5
+  --> $DIR/lint-missing-doc.rs:56:5
    |
 LL |     fn foo_no_self();
    |     ^^^^^^^^^^^^^^^^^
 
 error: missing documentation for an associated function
-  --> $DIR/lint-missing-doc.rs:56:5
+  --> $DIR/lint-missing-doc.rs:57:5
    |
 LL |     fn foo_no_self_with_impl() {}
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error: missing documentation for an associated type
-  --> $DIR/lint-missing-doc.rs:66:5
+  --> $DIR/lint-missing-doc.rs:67:5
    |
 LL |     type AssociatedType;
    |     ^^^^^^^^^^^^^^^^^^^
 
 error: missing documentation for an associated type
-  --> $DIR/lint-missing-doc.rs:67:5
+  --> $DIR/lint-missing-doc.rs:68:5
    |
 LL |     type AssociatedTypeDef = Self;
    |     ^^^^^^^^^^^^^^^^^^^^^^
 
 error: missing documentation for an associated function
-  --> $DIR/lint-missing-doc.rs:83:5
+  --> $DIR/lint-missing-doc.rs:84:5
    |
 LL |     pub fn foo() {}
    |     ^^^^^^^^^^^^
 
 error: missing documentation for an enum
-  --> $DIR/lint-missing-doc.rs:120:1
+  --> $DIR/lint-missing-doc.rs:121:1
    |
 LL | pub enum PubBaz {
    | ^^^^^^^^^^^^^^^
 
 error: missing documentation for a variant
-  --> $DIR/lint-missing-doc.rs:121:5
+  --> $DIR/lint-missing-doc.rs:122:5
    |
 LL |     PubBazA {
    |     ^^^^^^^
 
 error: missing documentation for a struct field
-  --> $DIR/lint-missing-doc.rs:122:9
+  --> $DIR/lint-missing-doc.rs:123:9
    |
 LL |         a: isize,
    |         ^^^^^^^^
 
 error: missing documentation for a constant
-  --> $DIR/lint-missing-doc.rs:153:1
+  --> $DIR/lint-missing-doc.rs:154:1
    |
 LL | pub const FOO4: u32 = 0;
    | ^^^^^^^^^^^^^^^^^^^
 
 error: missing documentation for a static
-  --> $DIR/lint-missing-doc.rs:163:1
+  --> $DIR/lint-missing-doc.rs:164:1
    |
 LL | pub static BAR4: u32 = 0;
    | ^^^^^^^^^^^^^^^^^^^^
 
 error: missing documentation for a function
-  --> $DIR/lint-missing-doc.rs:169:5
+  --> $DIR/lint-missing-doc.rs:170:5
    |
 LL |     pub fn undocumented1() {}
    |     ^^^^^^^^^^^^^^^^^^^^^^
 
 error: missing documentation for a function
-  --> $DIR/lint-missing-doc.rs:170:5
+  --> $DIR/lint-missing-doc.rs:171:5
    |
 LL |     pub fn undocumented2() {}
    |     ^^^^^^^^^^^^^^^^^^^^^^
 
 error: missing documentation for a function
-  --> $DIR/lint-missing-doc.rs:176:9
+  --> $DIR/lint-missing-doc.rs:177:9
    |
 LL |         pub fn also_undocumented1() {}
    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error: missing documentation for a function
-  --> $DIR/lint-missing-doc.rs:191:5
+  --> $DIR/lint-missing-doc.rs:192:5
    |
 LL |     pub fn extern_fn_undocumented(f: f32) -> f32;
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error: missing documentation for a static
-  --> $DIR/lint-missing-doc.rs:196:5
+  --> $DIR/lint-missing-doc.rs:197:5
    |
 LL |     pub static EXTERN_STATIC_UNDOCUMENTED: u8;
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error: missing documentation for a foreign type
-  --> $DIR/lint-missing-doc.rs:201:5
+  --> $DIR/lint-missing-doc.rs:202:5
    |
 LL |     pub type ExternTyUndocumented;
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-error: aborting due to 24 previous errors
+error: missing documentation for a trait alias
+  --> $DIR/lint-missing-doc.rs:206:1
+   |
+LL | pub trait T = Sync;
+   | ^^^^^^^^^^^
+
+error: aborting due to 25 previous errors
 
diff --git a/tests/ui/lint/must_not_suspend/boxed.stderr b/tests/ui/lint/must_not_suspend/boxed.stderr
index 9efc7b0693b..a2abfffc170 100644
--- a/tests/ui/lint/must_not_suspend/boxed.stderr
+++ b/tests/ui/lint/must_not_suspend/boxed.stderr
@@ -4,7 +4,7 @@ error: boxed `Umm` held across a suspend point, but should not be
 LL |     let _guard = bar();
    |         ^^^^^^
 LL |     other().await;
-   |            ------ the value is held across this suspend point
+   |             ----- the value is held across this suspend point
    |
 note: You gotta use Umm's, ya know?
   --> $DIR/boxed.rs:20:9
diff --git a/tests/ui/lint/must_not_suspend/dedup.drop_tracking.stderr b/tests/ui/lint/must_not_suspend/dedup.drop_tracking.stderr
index 262657da5fe..cd3baa857ab 100644
--- a/tests/ui/lint/must_not_suspend/dedup.drop_tracking.stderr
+++ b/tests/ui/lint/must_not_suspend/dedup.drop_tracking.stderr
@@ -4,7 +4,7 @@ error: `No` held across a suspend point, but should not be
 LL |     let no = No {};
    |         ^^
 LL |     wheeee(&no).await;
-   |                ------ the value is held across this suspend point
+   |                 ----- the value is held across this suspend point
    |
 help: consider using a block (`{ ... }`) to shrink the value's scope, ending before the suspend point
   --> $DIR/dedup.rs:19:9
diff --git a/tests/ui/lint/must_not_suspend/dedup.drop_tracking_mir.stderr b/tests/ui/lint/must_not_suspend/dedup.drop_tracking_mir.stderr
index 262657da5fe..cd3baa857ab 100644
--- a/tests/ui/lint/must_not_suspend/dedup.drop_tracking_mir.stderr
+++ b/tests/ui/lint/must_not_suspend/dedup.drop_tracking_mir.stderr
@@ -4,7 +4,7 @@ error: `No` held across a suspend point, but should not be
 LL |     let no = No {};
    |         ^^
 LL |     wheeee(&no).await;
-   |                ------ the value is held across this suspend point
+   |                 ----- the value is held across this suspend point
    |
 help: consider using a block (`{ ... }`) to shrink the value's scope, ending before the suspend point
   --> $DIR/dedup.rs:19:9
diff --git a/tests/ui/lint/must_not_suspend/dedup.no_drop_tracking.stderr b/tests/ui/lint/must_not_suspend/dedup.no_drop_tracking.stderr
index 7ed43d25719..aff2f7c32b9 100644
--- a/tests/ui/lint/must_not_suspend/dedup.no_drop_tracking.stderr
+++ b/tests/ui/lint/must_not_suspend/dedup.no_drop_tracking.stderr
@@ -4,7 +4,7 @@ error: `No` held across a suspend point, but should not be
 LL |     let no = No {};
    |         ^^
 LL |     wheeee(&no).await;
-   |                ------ the value is held across this suspend point
+   |                 ----- the value is held across this suspend point
    |
 help: consider using a block (`{ ... }`) to shrink the value's scope, ending before the suspend point
   --> $DIR/dedup.rs:19:9
@@ -21,7 +21,7 @@ error: `No` held across a suspend point, but should not be
   --> $DIR/dedup.rs:20:13
    |
 LL |     wheeee(&no).await;
-   |             ^^ ------ the value is held across this suspend point
+   |             ^^  ----- the value is held across this suspend point
    |
 help: consider using a block (`{ ... }`) to shrink the value's scope, ending before the suspend point
   --> $DIR/dedup.rs:20:13
diff --git a/tests/ui/lint/must_not_suspend/dedup.stderr b/tests/ui/lint/must_not_suspend/dedup.stderr
deleted file mode 100644
index 18880f5a757..00000000000
--- a/tests/ui/lint/must_not_suspend/dedup.stderr
+++ /dev/null
@@ -1,19 +0,0 @@
-error: `No` held across a suspend point, but should not be
-  --> $DIR/dedup.rs:19:13
-   |
-LL |     wheeee(&No {}).await;
-   |             ^^^^^ ------ the value is held across this suspend point
-   |
-help: consider using a block (`{ ... }`) to shrink the value's scope, ending before the suspend point
-  --> $DIR/dedup.rs:19:13
-   |
-LL |     wheeee(&No {}).await;
-   |             ^^^^^
-note: the lint level is defined here
-  --> $DIR/dedup.rs:6:9
-   |
-LL | #![deny(must_not_suspend)]
-   |         ^^^^^^^^^^^^^^^^
-
-error: aborting due to previous error
-
diff --git a/tests/ui/lint/must_not_suspend/mutex.stderr b/tests/ui/lint/must_not_suspend/mutex.stderr
index c251cb84589..9b5fc37a332 100644
--- a/tests/ui/lint/must_not_suspend/mutex.stderr
+++ b/tests/ui/lint/must_not_suspend/mutex.stderr
@@ -4,7 +4,7 @@ error: `MutexGuard` held across a suspend point, but should not be
 LL |     let _guard = m.lock().unwrap();
    |         ^^^^^^
 LL |     other().await;
-   |            ------ the value is held across this suspend point
+   |             ----- the value is held across this suspend point
    |
 note: holding a MutexGuard across suspend points can cause deadlocks, delays, and cause Futures to not implement `Send`
   --> $DIR/mutex.rs:8:9
diff --git a/tests/ui/lint/must_not_suspend/ref-drop-tracking.stderr b/tests/ui/lint/must_not_suspend/ref-drop-tracking.stderr
index 180e187c1b0..348880b9c9f 100644
--- a/tests/ui/lint/must_not_suspend/ref-drop-tracking.stderr
+++ b/tests/ui/lint/must_not_suspend/ref-drop-tracking.stderr
@@ -5,7 +5,7 @@ LL |         let guard = &mut self.u;
    |             ^^^^^
 LL |
 LL |         other().await;
-   |                ------ the value is held across this suspend point
+   |                 ----- the value is held across this suspend point
    |
 note: You gotta use Umm's, ya know?
   --> $DIR/ref-drop-tracking.rs:19:13
diff --git a/tests/ui/lint/must_not_suspend/ref.drop_tracking.stderr b/tests/ui/lint/must_not_suspend/ref.drop_tracking.stderr
index e3628ca5e49..fb18c2be9cb 100644
--- a/tests/ui/lint/must_not_suspend/ref.drop_tracking.stderr
+++ b/tests/ui/lint/must_not_suspend/ref.drop_tracking.stderr
@@ -5,7 +5,7 @@ LL |         let guard = &mut self.u;
    |             ^^^^^
 LL |
 LL |         other().await;
-   |                ------ the value is held across this suspend point
+   |                 ----- the value is held across this suspend point
    |
 note: You gotta use Umm's, ya know?
   --> $DIR/ref.rs:22:13
diff --git a/tests/ui/lint/must_not_suspend/ref.drop_tracking_mir.stderr b/tests/ui/lint/must_not_suspend/ref.drop_tracking_mir.stderr
index e3628ca5e49..fb18c2be9cb 100644
--- a/tests/ui/lint/must_not_suspend/ref.drop_tracking_mir.stderr
+++ b/tests/ui/lint/must_not_suspend/ref.drop_tracking_mir.stderr
@@ -5,7 +5,7 @@ LL |         let guard = &mut self.u;
    |             ^^^^^
 LL |
 LL |         other().await;
-   |                ------ the value is held across this suspend point
+   |                 ----- the value is held across this suspend point
    |
 note: You gotta use Umm's, ya know?
   --> $DIR/ref.rs:22:13
diff --git a/tests/ui/lint/must_not_suspend/ref.no_drop_tracking.stderr b/tests/ui/lint/must_not_suspend/ref.no_drop_tracking.stderr
index e9bfa08b5dd..6976dd34991 100644
--- a/tests/ui/lint/must_not_suspend/ref.no_drop_tracking.stderr
+++ b/tests/ui/lint/must_not_suspend/ref.no_drop_tracking.stderr
@@ -5,7 +5,7 @@ LL |         let guard = &mut self.u;
    |                          ^^^^^^
 LL |
 LL |         other().await;
-   |                ------ the value is held across this suspend point
+   |                 ----- the value is held across this suspend point
    |
 note: You gotta use Umm's, ya know?
   --> $DIR/ref.rs:22:26
diff --git a/tests/ui/lint/must_not_suspend/trait.drop_tracking.stderr b/tests/ui/lint/must_not_suspend/trait.drop_tracking.stderr
index 6e62a228a43..8c8ad1f3788 100644
--- a/tests/ui/lint/must_not_suspend/trait.drop_tracking.stderr
+++ b/tests/ui/lint/must_not_suspend/trait.drop_tracking.stderr
@@ -5,7 +5,7 @@ LL |     let _guard1 = r#impl();
    |         ^^^^^^^
 ...
 LL |     other().await;
-   |            ------ the value is held across this suspend point
+   |             ----- the value is held across this suspend point
    |
 help: consider using a block (`{ ... }`) to shrink the value's scope, ending before the suspend point
   --> $DIR/trait.rs:24:9
@@ -25,7 +25,7 @@ LL |     let _guard2 = r#dyn();
    |         ^^^^^^^
 LL |
 LL |     other().await;
-   |            ------ the value is held across this suspend point
+   |             ----- the value is held across this suspend point
    |
 help: consider using a block (`{ ... }`) to shrink the value's scope, ending before the suspend point
   --> $DIR/trait.rs:25:9
diff --git a/tests/ui/lint/must_not_suspend/trait.drop_tracking_mir.stderr b/tests/ui/lint/must_not_suspend/trait.drop_tracking_mir.stderr
index 6e62a228a43..8c8ad1f3788 100644
--- a/tests/ui/lint/must_not_suspend/trait.drop_tracking_mir.stderr
+++ b/tests/ui/lint/must_not_suspend/trait.drop_tracking_mir.stderr
@@ -5,7 +5,7 @@ LL |     let _guard1 = r#impl();
    |         ^^^^^^^
 ...
 LL |     other().await;
-   |            ------ the value is held across this suspend point
+   |             ----- the value is held across this suspend point
    |
 help: consider using a block (`{ ... }`) to shrink the value's scope, ending before the suspend point
   --> $DIR/trait.rs:24:9
@@ -25,7 +25,7 @@ LL |     let _guard2 = r#dyn();
    |         ^^^^^^^
 LL |
 LL |     other().await;
-   |            ------ the value is held across this suspend point
+   |             ----- the value is held across this suspend point
    |
 help: consider using a block (`{ ... }`) to shrink the value's scope, ending before the suspend point
   --> $DIR/trait.rs:25:9
diff --git a/tests/ui/lint/must_not_suspend/trait.no_drop_tracking.stderr b/tests/ui/lint/must_not_suspend/trait.no_drop_tracking.stderr
index 6e62a228a43..8c8ad1f3788 100644
--- a/tests/ui/lint/must_not_suspend/trait.no_drop_tracking.stderr
+++ b/tests/ui/lint/must_not_suspend/trait.no_drop_tracking.stderr
@@ -5,7 +5,7 @@ LL |     let _guard1 = r#impl();
    |         ^^^^^^^
 ...
 LL |     other().await;
-   |            ------ the value is held across this suspend point
+   |             ----- the value is held across this suspend point
    |
 help: consider using a block (`{ ... }`) to shrink the value's scope, ending before the suspend point
   --> $DIR/trait.rs:24:9
@@ -25,7 +25,7 @@ LL |     let _guard2 = r#dyn();
    |         ^^^^^^^
 LL |
 LL |     other().await;
-   |            ------ the value is held across this suspend point
+   |             ----- the value is held across this suspend point
    |
 help: consider using a block (`{ ... }`) to shrink the value's scope, ending before the suspend point
   --> $DIR/trait.rs:25:9
diff --git a/tests/ui/lint/must_not_suspend/trait.stderr b/tests/ui/lint/must_not_suspend/trait.stderr
deleted file mode 100644
index 6e62a228a43..00000000000
--- a/tests/ui/lint/must_not_suspend/trait.stderr
+++ /dev/null
@@ -1,37 +0,0 @@
-error: implementer of `Wow` held across a suspend point, but should not be
-  --> $DIR/trait.rs:24:9
-   |
-LL |     let _guard1 = r#impl();
-   |         ^^^^^^^
-...
-LL |     other().await;
-   |            ------ the value is held across this suspend point
-   |
-help: consider using a block (`{ ... }`) to shrink the value's scope, ending before the suspend point
-  --> $DIR/trait.rs:24:9
-   |
-LL |     let _guard1 = r#impl();
-   |         ^^^^^^^
-note: the lint level is defined here
-  --> $DIR/trait.rs:6:9
-   |
-LL | #![deny(must_not_suspend)]
-   |         ^^^^^^^^^^^^^^^^
-
-error: boxed `Wow` trait object held across a suspend point, but should not be
-  --> $DIR/trait.rs:25:9
-   |
-LL |     let _guard2 = r#dyn();
-   |         ^^^^^^^
-LL |
-LL |     other().await;
-   |            ------ the value is held across this suspend point
-   |
-help: consider using a block (`{ ... }`) to shrink the value's scope, ending before the suspend point
-  --> $DIR/trait.rs:25:9
-   |
-LL |     let _guard2 = r#dyn();
-   |         ^^^^^^^
-
-error: aborting due to 2 previous errors
-
diff --git a/tests/ui/lint/must_not_suspend/unit.drop_tracking.stderr b/tests/ui/lint/must_not_suspend/unit.drop_tracking.stderr
index f89b3e341fd..e24cffdd0df 100644
--- a/tests/ui/lint/must_not_suspend/unit.drop_tracking.stderr
+++ b/tests/ui/lint/must_not_suspend/unit.drop_tracking.stderr
@@ -4,7 +4,7 @@ error: `Umm` held across a suspend point, but should not be
 LL |     let _guard = bar();
    |         ^^^^^^
 LL |     other().await;
-   |            ------ the value is held across this suspend point
+   |             ----- the value is held across this suspend point
    |
 note: You gotta use Umm's, ya know?
   --> $DIR/unit.rs:22:9
diff --git a/tests/ui/lint/must_not_suspend/unit.drop_tracking_mir.stderr b/tests/ui/lint/must_not_suspend/unit.drop_tracking_mir.stderr
index f89b3e341fd..e24cffdd0df 100644
--- a/tests/ui/lint/must_not_suspend/unit.drop_tracking_mir.stderr
+++ b/tests/ui/lint/must_not_suspend/unit.drop_tracking_mir.stderr
@@ -4,7 +4,7 @@ error: `Umm` held across a suspend point, but should not be
 LL |     let _guard = bar();
    |         ^^^^^^
 LL |     other().await;
-   |            ------ the value is held across this suspend point
+   |             ----- the value is held across this suspend point
    |
 note: You gotta use Umm's, ya know?
   --> $DIR/unit.rs:22:9
diff --git a/tests/ui/lint/must_not_suspend/unit.no_drop_tracking.stderr b/tests/ui/lint/must_not_suspend/unit.no_drop_tracking.stderr
index f89b3e341fd..e24cffdd0df 100644
--- a/tests/ui/lint/must_not_suspend/unit.no_drop_tracking.stderr
+++ b/tests/ui/lint/must_not_suspend/unit.no_drop_tracking.stderr
@@ -4,7 +4,7 @@ error: `Umm` held across a suspend point, but should not be
 LL |     let _guard = bar();
    |         ^^^^^^
 LL |     other().await;
-   |            ------ the value is held across this suspend point
+   |             ----- the value is held across this suspend point
    |
 note: You gotta use Umm's, ya know?
   --> $DIR/unit.rs:22:9
diff --git a/tests/ui/lint/must_not_suspend/unit.stderr b/tests/ui/lint/must_not_suspend/unit.stderr
deleted file mode 100644
index 50ca292c2f6..00000000000
--- a/tests/ui/lint/must_not_suspend/unit.stderr
+++ /dev/null
@@ -1,26 +0,0 @@
-error: `Umm` held across a suspend point, but should not be
-  --> $DIR/unit.rs:23:9
-   |
-LL |     let _guard = bar();
-   |         ^^^^^^
-LL |     other().await;
-   |            ------ the value is held across this suspend point
-   |
-note: You gotta use Umm's, ya know?
-  --> $DIR/unit.rs:23:9
-   |
-LL |     let _guard = bar();
-   |         ^^^^^^
-help: consider using a block (`{ ... }`) to shrink the value's scope, ending before the suspend point
-  --> $DIR/unit.rs:23:9
-   |
-LL |     let _guard = bar();
-   |         ^^^^^^
-note: the lint level is defined here
-  --> $DIR/unit.rs:6:9
-   |
-LL | #![deny(must_not_suspend)]
-   |         ^^^^^^^^^^^^^^^^
-
-error: aborting due to previous error
-
diff --git a/tests/ui/lint/must_not_suspend/warn.drop_tracking.stderr b/tests/ui/lint/must_not_suspend/warn.drop_tracking.stderr
index 7a422891ab1..4f7b40a5efe 100644
--- a/tests/ui/lint/must_not_suspend/warn.drop_tracking.stderr
+++ b/tests/ui/lint/must_not_suspend/warn.drop_tracking.stderr
@@ -4,7 +4,7 @@ warning: `Umm` held across a suspend point, but should not be
 LL |     let _guard = bar();
    |         ^^^^^^
 LL |     other().await;
-   |            ------ the value is held across this suspend point
+   |             ----- the value is held across this suspend point
    |
 note: You gotta use Umm's, ya know?
   --> $DIR/warn.rs:24:9
diff --git a/tests/ui/lint/must_not_suspend/warn.drop_tracking_mir.stderr b/tests/ui/lint/must_not_suspend/warn.drop_tracking_mir.stderr
index 7a422891ab1..4f7b40a5efe 100644
--- a/tests/ui/lint/must_not_suspend/warn.drop_tracking_mir.stderr
+++ b/tests/ui/lint/must_not_suspend/warn.drop_tracking_mir.stderr
@@ -4,7 +4,7 @@ warning: `Umm` held across a suspend point, but should not be
 LL |     let _guard = bar();
    |         ^^^^^^
 LL |     other().await;
-   |            ------ the value is held across this suspend point
+   |             ----- the value is held across this suspend point
    |
 note: You gotta use Umm's, ya know?
   --> $DIR/warn.rs:24:9
diff --git a/tests/ui/lint/must_not_suspend/warn.no_drop_tracking.stderr b/tests/ui/lint/must_not_suspend/warn.no_drop_tracking.stderr
index 7a422891ab1..4f7b40a5efe 100644
--- a/tests/ui/lint/must_not_suspend/warn.no_drop_tracking.stderr
+++ b/tests/ui/lint/must_not_suspend/warn.no_drop_tracking.stderr
@@ -4,7 +4,7 @@ warning: `Umm` held across a suspend point, but should not be
 LL |     let _guard = bar();
    |         ^^^^^^
 LL |     other().await;
-   |            ------ the value is held across this suspend point
+   |             ----- the value is held across this suspend point
    |
 note: You gotta use Umm's, ya know?
   --> $DIR/warn.rs:24:9
diff --git a/tests/ui/lint/must_not_suspend/warn.stderr b/tests/ui/lint/must_not_suspend/warn.stderr
deleted file mode 100644
index 7a422891ab1..00000000000
--- a/tests/ui/lint/must_not_suspend/warn.stderr
+++ /dev/null
@@ -1,26 +0,0 @@
-warning: `Umm` held across a suspend point, but should not be
-  --> $DIR/warn.rs:24:9
-   |
-LL |     let _guard = bar();
-   |         ^^^^^^
-LL |     other().await;
-   |            ------ the value is held across this suspend point
-   |
-note: You gotta use Umm's, ya know?
-  --> $DIR/warn.rs:24:9
-   |
-LL |     let _guard = bar();
-   |         ^^^^^^
-help: consider using a block (`{ ... }`) to shrink the value's scope, ending before the suspend point
-  --> $DIR/warn.rs:24:9
-   |
-LL |     let _guard = bar();
-   |         ^^^^^^
-note: the lint level is defined here
-  --> $DIR/warn.rs:7:9
-   |
-LL | #![warn(must_not_suspend)]
-   |         ^^^^^^^^^^^^^^^^
-
-warning: 1 warning emitted
-
diff --git a/tests/ui/lint/noop-method-call.rs b/tests/ui/lint/noop-method-call.rs
index 89b29663595..dbcf2a5131b 100644
--- a/tests/ui/lint/noop-method-call.rs
+++ b/tests/ui/lint/noop-method-call.rs
@@ -19,18 +19,17 @@ fn main() {
     let clone_type_ref = &CloneType(1u32);
     let clone_type_ref_clone: CloneType<u32> = clone_type_ref.clone();
 
-    // Calling clone on a double reference doesn't warn since the method call itself
-    // peels the outer reference off
     let clone_type_ref = &&CloneType(1u32);
     let clone_type_ref_clone: &CloneType<u32> = clone_type_ref.clone();
+    //~^ WARNING using `.clone()` on a double reference, which returns `&CloneType<u32>`
 
     let non_deref_type = &PlainType(1u32);
     let non_deref_type_deref: &PlainType<u32> = non_deref_type.deref();
     //~^ WARNING call to `.deref()` on a reference in this situation does nothing
 
-    // Dereferencing a &&T does not warn since it has collapsed the double reference
     let non_deref_type = &&PlainType(1u32);
     let non_deref_type_deref: &PlainType<u32> = non_deref_type.deref();
+    //~^ WARNING using `.deref()` on a double reference, which returns `&PlainType<u32>`
 
     let non_borrow_type = &PlainType(1u32);
     let non_borrow_type_borrow: &PlainType<u32> = non_borrow_type.borrow();
@@ -41,7 +40,8 @@ fn main() {
     let non_borrow_type_borrow: &PlainType<u32> = non_borrow_type.borrow();
 
     let xs = ["a", "b", "c"];
-    let _v: Vec<&str> = xs.iter().map(|x| x.clone()).collect(); // ok, but could use `*x` instead
+    let _v: Vec<&str> = xs.iter().map(|x| x.clone()).collect(); // could use `*x` instead
+    //~^ WARNING using `.clone()` on a double reference, which returns `&str`
 }
 
 fn generic<T>(non_clone_type: &PlainType<T>) {
diff --git a/tests/ui/lint/noop-method-call.stderr b/tests/ui/lint/noop-method-call.stderr
index 6a904d01abc..37cd1a0fc18 100644
--- a/tests/ui/lint/noop-method-call.stderr
+++ b/tests/ui/lint/noop-method-call.stderr
@@ -11,22 +11,42 @@ note: the lint level is defined here
 LL | #![warn(noop_method_call)]
    |         ^^^^^^^^^^^^^^^^
 
+warning: using `.clone()` on a double reference, which returns `&CloneType<u32>` instead of cloning the inner type
+  --> $DIR/noop-method-call.rs:23:63
+   |
+LL |     let clone_type_ref_clone: &CloneType<u32> = clone_type_ref.clone();
+   |                                                               ^^^^^^^^
+   |
+   = note: `#[warn(suspicious_double_ref_op)]` on by default
+
 warning: call to `.deref()` on a reference in this situation does nothing
-  --> $DIR/noop-method-call.rs:28:63
+  --> $DIR/noop-method-call.rs:27:63
    |
 LL |     let non_deref_type_deref: &PlainType<u32> = non_deref_type.deref();
    |                                                               ^^^^^^^^ unnecessary method call
    |
    = note: the type `&PlainType<u32>` which `deref` is being called on is the same as the type returned from `deref`, so the method call does not do anything and can be removed
 
+warning: using `.deref()` on a double reference, which returns `&PlainType<u32>` instead of dereferencing the inner type
+  --> $DIR/noop-method-call.rs:31:63
+   |
+LL |     let non_deref_type_deref: &PlainType<u32> = non_deref_type.deref();
+   |                                                               ^^^^^^^^
+
 warning: call to `.borrow()` on a reference in this situation does nothing
-  --> $DIR/noop-method-call.rs:36:66
+  --> $DIR/noop-method-call.rs:35:66
    |
 LL |     let non_borrow_type_borrow: &PlainType<u32> = non_borrow_type.borrow();
    |                                                                  ^^^^^^^^^ unnecessary method call
    |
    = note: the type `&PlainType<u32>` which `borrow` is being called on is the same as the type returned from `borrow`, so the method call does not do anything and can be removed
 
+warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
+  --> $DIR/noop-method-call.rs:43:44
+   |
+LL |     let _v: Vec<&str> = xs.iter().map(|x| x.clone()).collect(); // could use `*x` instead
+   |                                            ^^^^^^^^
+
 warning: call to `.clone()` on a reference in this situation does nothing
   --> $DIR/noop-method-call.rs:48:19
    |
@@ -43,5 +63,5 @@ LL |     non_clone_type.clone();
    |
    = note: the type `&PlainType<u32>` which `clone` is being called on is the same as the type returned from `clone`, so the method call does not do anything and can be removed
 
-warning: 5 warnings emitted
+warning: 8 warnings emitted
 
diff --git a/tests/ui/lint/suspicious-double-ref-op.rs b/tests/ui/lint/suspicious-double-ref-op.rs
new file mode 100644
index 00000000000..b9bcd31c2a8
--- /dev/null
+++ b/tests/ui/lint/suspicious-double-ref-op.rs
@@ -0,0 +1,30 @@
+#![feature(lazy_cell)]
+#![deny(suspicious_double_ref_op, noop_method_call)]
+
+pub fn clone_on_double_ref() {
+    let x = vec![1];
+    let y = &&x;
+    let z: &Vec<_> = y.clone();
+    //~^ ERROR using `.clone()` on a double reference, which returns `&Vec<i32>`
+
+    println!("{:p} {:p}", *y, z);
+}
+
+use std::sync::LazyLock;
+
+pub static STRS: LazyLock<&str> = LazyLock::new(|| "First");
+
+// https://github.com/rust-lang/rust-clippy/issues/9272
+fn rust_clippy_issue_9272() {
+    let str = STRS.clone();
+    println!("{str}")
+}
+
+fn check(mut encoded: &[u8]) {
+    let _ = &mut encoded.clone();
+    //~^ ERROR call to `.clone()` on a reference in this situation does nothing
+    let _ = &encoded.clone();
+    //~^ ERROR call to `.clone()` on a reference in this situation does nothing
+}
+
+fn main() {}
diff --git a/tests/ui/lint/suspicious-double-ref-op.stderr b/tests/ui/lint/suspicious-double-ref-op.stderr
new file mode 100644
index 00000000000..d15487ca238
--- /dev/null
+++ b/tests/ui/lint/suspicious-double-ref-op.stderr
@@ -0,0 +1,35 @@
+error: using `.clone()` on a double reference, which returns `&Vec<i32>` instead of cloning the inner type
+  --> $DIR/suspicious-double-ref-op.rs:7:23
+   |
+LL |     let z: &Vec<_> = y.clone();
+   |                       ^^^^^^^^
+   |
+note: the lint level is defined here
+  --> $DIR/suspicious-double-ref-op.rs:2:9
+   |
+LL | #![deny(suspicious_double_ref_op, noop_method_call)]
+   |         ^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: call to `.clone()` on a reference in this situation does nothing
+  --> $DIR/suspicious-double-ref-op.rs:24:25
+   |
+LL |     let _ = &mut encoded.clone();
+   |                         ^^^^^^^^ unnecessary method call
+   |
+   = note: the type `&[u8]` which `clone` is being called on is the same as the type returned from `clone`, so the method call does not do anything and can be removed
+note: the lint level is defined here
+  --> $DIR/suspicious-double-ref-op.rs:2:35
+   |
+LL | #![deny(suspicious_double_ref_op, noop_method_call)]
+   |                                   ^^^^^^^^^^^^^^^^
+
+error: call to `.clone()` on a reference in this situation does nothing
+  --> $DIR/suspicious-double-ref-op.rs:26:21
+   |
+LL |     let _ = &encoded.clone();
+   |                     ^^^^^^^^ unnecessary method call
+   |
+   = note: the type `&[u8]` which `clone` is being called on is the same as the type returned from `clone`, so the method call does not do anything and can be removed
+
+error: aborting due to 3 previous errors
+
diff --git a/tests/ui/liveness/liveness-unused.rs b/tests/ui/liveness/liveness-unused.rs
index 9c7be15fcc8..8ef6ab1b6ff 100644
--- a/tests/ui/liveness/liveness-unused.rs
+++ b/tests/ui/liveness/liveness-unused.rs
@@ -1,7 +1,7 @@
 #![warn(unused)]
 #![deny(unused_variables)]
 #![deny(unused_assignments)]
-#![allow(dead_code, non_camel_case_types, trivial_numeric_casts)]
+#![allow(dead_code, non_camel_case_types, trivial_numeric_casts, drop_copy)]
 
 use std::ops::AddAssign;
 
diff --git a/tests/ui/macros/builtin-prelude-no-accidents.stderr b/tests/ui/macros/builtin-prelude-no-accidents.stderr
index 56af618d484..8cd9a63b808 100644
--- a/tests/ui/macros/builtin-prelude-no-accidents.stderr
+++ b/tests/ui/macros/builtin-prelude-no-accidents.stderr
@@ -4,18 +4,21 @@ error[E0433]: failed to resolve: use of undeclared crate or module `env`
 LL |     env::current_dir;
    |     ^^^ use of undeclared crate or module `env`
 
+error[E0433]: failed to resolve: use of undeclared crate or module `vec`
+  --> $DIR/builtin-prelude-no-accidents.rs:7:14
+   |
+LL |     type B = vec::Vec<u8>;
+   |              ^^^
+   |              |
+   |              use of undeclared crate or module `vec`
+   |              help: a struct with a similar name exists (notice the capitalization): `Vec`
+
 error[E0433]: failed to resolve: use of undeclared crate or module `panic`
   --> $DIR/builtin-prelude-no-accidents.rs:6:14
    |
 LL |     type A = panic::PanicInfo;
    |              ^^^^^ use of undeclared crate or module `panic`
 
-error[E0433]: failed to resolve: use of undeclared crate or module `vec`
-  --> $DIR/builtin-prelude-no-accidents.rs:7:14
-   |
-LL |     type B = vec::Vec<u8>;
-   |              ^^^ use of undeclared crate or module `vec`
-
 error: aborting due to 3 previous errors
 
 For more information about this error, try `rustc --explain E0433`.
diff --git a/tests/ui/issues/issue-2804-2.rs b/tests/ui/macros/issue-2804-2.rs
index d02725505ac..d02725505ac 100644
--- a/tests/ui/issues/issue-2804-2.rs
+++ b/tests/ui/macros/issue-2804-2.rs
diff --git a/tests/ui/macros/panic-temporaries.rs b/tests/ui/macros/panic-temporaries.rs
new file mode 100644
index 00000000000..5b5b8b7c2d9
--- /dev/null
+++ b/tests/ui/macros/panic-temporaries.rs
@@ -0,0 +1,19 @@
+// check-pass
+// edition:2021
+
+#![allow(unreachable_code)]
+
+async fn f(_: u8) {}
+
+async fn g() {
+    // Todo returns `!`, so the await is never reached, and in particular the
+    // temporaries inside the formatting machinery are not still alive at the
+    // await point.
+    f(todo!("...")).await;
+}
+
+fn require_send(_: impl Send) {}
+
+fn main() {
+    require_send(g());
+}
diff --git a/tests/ui/macros/parse-complex-macro-invoc-op.rs b/tests/ui/macros/parse-complex-macro-invoc-op.rs
index 8fef9b0ed87..c50dfdf0116 100644
--- a/tests/ui/macros/parse-complex-macro-invoc-op.rs
+++ b/tests/ui/macros/parse-complex-macro-invoc-op.rs
@@ -4,6 +4,7 @@
 #![allow(unused_assignments)]
 #![allow(unused_variables)]
 #![allow(stable_features)]
+#![allow(drop_copy)]
 
 // Test parsing binary operators after macro invocations.
 
diff --git a/tests/ui/macros/rfc-2011-nicer-assert-messages/non-consuming-methods-have-optimized-codegen.stdout b/tests/ui/macros/rfc-2011-nicer-assert-messages/non-consuming-methods-have-optimized-codegen.stdout
index ad97f7a4a75..b69b5bc3b53 100644
--- a/tests/ui/macros/rfc-2011-nicer-assert-messages/non-consuming-methods-have-optimized-codegen.stdout
+++ b/tests/ui/macros/rfc-2011-nicer-assert-messages/non-consuming-methods-have-optimized-codegen.stdout
@@ -26,7 +26,7 @@ fn arbitrary_consuming_method_for_demonstration_purposes() {
 
                 {
                     ::std::rt::panic_fmt(format_args!("Assertion failed: elem as usize\nWith captures:\n  elem = {0:?}\n",
-                            __capture0))
+                            __capture0));
                 }
             }
     };
@@ -42,7 +42,7 @@ fn addr_of() {
                 (&::core::asserting::Wrapper(__local_bind0)).try_capture(&mut __capture0);
                 {
                     ::std::rt::panic_fmt(format_args!("Assertion failed: &elem\nWith captures:\n  elem = {0:?}\n",
-                            __capture0))
+                            __capture0));
                 }
             }
     };
@@ -58,7 +58,7 @@ fn binary() {
                 (&::core::asserting::Wrapper(__local_bind0)).try_capture(&mut __capture0);
                 {
                     ::std::rt::panic_fmt(format_args!("Assertion failed: elem == 1\nWith captures:\n  elem = {0:?}\n",
-                            __capture0))
+                            __capture0));
                 }
             }
     };
@@ -71,7 +71,7 @@ fn binary() {
                 (&::core::asserting::Wrapper(__local_bind0)).try_capture(&mut __capture0);
                 {
                     ::std::rt::panic_fmt(format_args!("Assertion failed: elem >= 1\nWith captures:\n  elem = {0:?}\n",
-                            __capture0))
+                            __capture0));
                 }
             }
     };
@@ -84,7 +84,7 @@ fn binary() {
                 (&::core::asserting::Wrapper(__local_bind0)).try_capture(&mut __capture0);
                 {
                     ::std::rt::panic_fmt(format_args!("Assertion failed: elem > 0\nWith captures:\n  elem = {0:?}\n",
-                            __capture0))
+                            __capture0));
                 }
             }
     };
@@ -97,7 +97,7 @@ fn binary() {
                 (&::core::asserting::Wrapper(__local_bind0)).try_capture(&mut __capture0);
                 {
                     ::std::rt::panic_fmt(format_args!("Assertion failed: elem < 3\nWith captures:\n  elem = {0:?}\n",
-                            __capture0))
+                            __capture0));
                 }
             }
     };
@@ -110,7 +110,7 @@ fn binary() {
                 (&::core::asserting::Wrapper(__local_bind0)).try_capture(&mut __capture0);
                 {
                     ::std::rt::panic_fmt(format_args!("Assertion failed: elem <= 3\nWith captures:\n  elem = {0:?}\n",
-                            __capture0))
+                            __capture0));
                 }
             }
     };
@@ -123,7 +123,7 @@ fn binary() {
                 (&::core::asserting::Wrapper(__local_bind0)).try_capture(&mut __capture0);
                 {
                     ::std::rt::panic_fmt(format_args!("Assertion failed: elem != 3\nWith captures:\n  elem = {0:?}\n",
-                            __capture0))
+                            __capture0));
                 }
             }
     };
@@ -139,7 +139,7 @@ fn unary() {
                 (&::core::asserting::Wrapper(__local_bind0)).try_capture(&mut __capture0);
                 {
                     ::std::rt::panic_fmt(format_args!("Assertion failed: *elem\nWith captures:\n  elem = {0:?}\n",
-                            __capture0))
+                            __capture0));
                 }
             }
     };
diff --git a/tests/ui/macros/stringify.rs b/tests/ui/macros/stringify.rs
index 79d8cd75716..816f99baa84 100644
--- a/tests/ui/macros/stringify.rs
+++ b/tests/ui/macros/stringify.rs
@@ -134,8 +134,7 @@ fn test_expr() {
     assert_eq!(stringify_expr!(expr as T<u8>), "expr as T<u8>");
 
     // ExprKind::Type
-    assert_eq!(stringify_expr!(expr: T), "expr: T");
-    assert_eq!(stringify_expr!(expr: T<u8>), "expr: T<u8>");
+    // There is no syntax for type ascription.
 
     // ExprKind::If
     assert_eq!(stringify_expr!(if true {}), "if true {}");
diff --git a/tests/ui/match/guards-parenthesized-and.rs b/tests/ui/match/guards-parenthesized-and.rs
new file mode 100644
index 00000000000..3a1c341f3ee
--- /dev/null
+++ b/tests/ui/match/guards-parenthesized-and.rs
@@ -0,0 +1,10 @@
+// check-pass
+
+fn main() {
+    let c = 1;
+    let w = "T";
+    match Some(5) {
+        None if c == 1 && (w != "Y" && w != "E") => {}
+        _ => panic!(),
+    }
+}
diff --git a/tests/ui/methods/method-self-arg-1.stderr b/tests/ui/methods/method-self-arg-1.stderr
index 9241a8be58f..dcc21acc5c0 100644
--- a/tests/ui/methods/method-self-arg-1.stderr
+++ b/tests/ui/methods/method-self-arg-1.stderr
@@ -2,10 +2,8 @@ error[E0308]: mismatched types
   --> $DIR/method-self-arg-1.rs:11:14
    |
 LL |     Foo::bar(x);
-   |     -------- ^
-   |     |        |
-   |     |        expected `&Foo`, found `Foo`
-   |     |        help: consider borrowing here: `&x`
+   |     -------- ^ expected `&Foo`, found `Foo`
+   |     |
    |     arguments to this function are incorrect
    |
 note: method defined here
@@ -13,6 +11,10 @@ note: method defined here
    |
 LL |     fn bar(&self) {}
    |        ^^^ -----
+help: consider borrowing here
+   |
+LL |     Foo::bar(&x);
+   |              +
 
 error[E0308]: mismatched types
   --> $DIR/method-self-arg-1.rs:13:14
diff --git a/tests/ui/mismatched_types/cast-rfc0401.stderr b/tests/ui/mismatched_types/cast-rfc0401.stderr
index 2a36a352c73..6b9ac3c5852 100644
--- a/tests/ui/mismatched_types/cast-rfc0401.stderr
+++ b/tests/ui/mismatched_types/cast-rfc0401.stderr
@@ -220,11 +220,7 @@ LL |     let _ = fat_v as *const dyn Foo;
    |             ^^^^^ doesn't have a size known at compile-time
    |
    = help: the trait `Sized` is not implemented for `[u8]`
-   = note: required for the cast from `[u8]` to the object type `dyn Foo`
-help: consider borrowing the value, since `&[u8]` can be coerced into `dyn Foo`
-   |
-LL |     let _ = &fat_v as *const dyn Foo;
-   |             +
+   = note: required for the cast from `*const [u8]` to `*const dyn Foo`
 
 error[E0277]: the size for values of type `str` cannot be known at compilation time
   --> $DIR/cast-rfc0401.rs:62:13
@@ -233,11 +229,7 @@ LL |     let _ = a as *const dyn Foo;
    |             ^ doesn't have a size known at compile-time
    |
    = help: the trait `Sized` is not implemented for `str`
-   = note: required for the cast from `str` to the object type `dyn Foo`
-help: consider borrowing the value, since `&str` can be coerced into `dyn Foo`
-   |
-LL |     let _ = &a as *const dyn Foo;
-   |             +
+   = note: required for the cast from `*const str` to `*const dyn Foo`
 
 error[E0606]: casting `&{float}` as `f32` is invalid
   --> $DIR/cast-rfc0401.rs:71:30
diff --git a/tests/ui/mismatched_types/dont-point-return-on-E0308.stderr b/tests/ui/mismatched_types/dont-point-return-on-E0308.stderr
index 13942682d28..7be94ef4ad6 100644
--- a/tests/ui/mismatched_types/dont-point-return-on-E0308.stderr
+++ b/tests/ui/mismatched_types/dont-point-return-on-E0308.stderr
@@ -2,10 +2,8 @@ error[E0308]: mismatched types
   --> $DIR/dont-point-return-on-E0308.rs:11:11
    |
 LL |         f(());
-   |         - ^^
-   |         | |
-   |         | expected `&()`, found `()`
-   |         | help: consider borrowing here: `&()`
+   |         - ^^ expected `&()`, found `()`
+   |         |
    |         arguments to this function are incorrect
    |
 note: function defined here
@@ -13,6 +11,10 @@ note: function defined here
    |
 LL | async fn f(_: &()) {}
    |          ^ ------
+help: consider borrowing here
+   |
+LL |         f(&());
+   |           +
 
 error: aborting due to previous error
 
diff --git a/tests/ui/mut/mut-cross-borrowing.stderr b/tests/ui/mut/mut-cross-borrowing.stderr
index 8401827e51f..8a3076db9b2 100644
--- a/tests/ui/mut/mut-cross-borrowing.stderr
+++ b/tests/ui/mut/mut-cross-borrowing.stderr
@@ -2,10 +2,8 @@ error[E0308]: mismatched types
   --> $DIR/mut-cross-borrowing.rs:7:7
    |
 LL |     f(x)
-   |     - ^
-   |     | |
-   |     | expected `&mut isize`, found `Box<{integer}>`
-   |     | help: consider mutably borrowing here: `&mut x`
+   |     - ^ expected `&mut isize`, found `Box<{integer}>`
+   |     |
    |     arguments to this function are incorrect
    |
    = note: expected mutable reference `&mut isize`
@@ -15,6 +13,10 @@ note: function defined here
    |
 LL | fn f(_: &mut isize) {}
    |    ^ -------------
+help: consider mutably borrowing here
+   |
+LL |     f(&mut x)
+   |       ++++
 
 error: aborting due to previous error
 
diff --git a/tests/ui/native-library-link-flags/msvc-non-utf8-output.rs b/tests/ui/native-library-link-flags/msvc-non-utf8-output.rs
index 3fb2842d694..19b9a17705b 100644
--- a/tests/ui/native-library-link-flags/msvc-non-utf8-output.rs
+++ b/tests/ui/native-library-link-flags/msvc-non-utf8-output.rs
@@ -1,6 +1,5 @@
 // build-fail
-// compile-flags:-C link-arg=märchenhaft
+// compile-flags:-C link-arg=⦺ⅈ⽯â­â½½â—ƒâ¡½âšž
 // only-msvc
-// error-pattern:= note: LINK : fatal error LNK1181:
-// normalize-stderr-test "(\s*\|\n)\s*= note: .*\n" -> "$1"
+// normalize-stderr-test "(?:.|\n)*(⦺ⅈ⽯â­â½½â—ƒâ¡½âšž)(?:.|\n)*" -> "$1"
 pub fn main() {}
diff --git a/tests/ui/native-library-link-flags/msvc-non-utf8-output.stderr b/tests/ui/native-library-link-flags/msvc-non-utf8-output.stderr
index f843aad782c..7f3ef376447 100644
--- a/tests/ui/native-library-link-flags/msvc-non-utf8-output.stderr
+++ b/tests/ui/native-library-link-flags/msvc-non-utf8-output.stderr
@@ -1,7 +1 @@
-error: linking with `link.exe` failed: exit code: 1181
-   |
-   = note: LINK : fatal error LNK1181: cannot open input file 'märchenhaft.obj'
-           
-
-error: aborting due to previous error
-
+⦺ⅈ⽯â­â½½â—ƒâ¡½âšž
\ No newline at end of file
diff --git a/tests/ui/never_type/fallback-closure-wrap.fallback.stderr b/tests/ui/never_type/fallback-closure-wrap.fallback.stderr
index a0f790dba15..5b6f0235123 100644
--- a/tests/ui/never_type/fallback-closure-wrap.fallback.stderr
+++ b/tests/ui/never_type/fallback-closure-wrap.fallback.stderr
@@ -10,7 +10,7 @@ LL | |     }) as Box<dyn FnMut()>);
    |
    = note: expected unit type `()`
                    found type `!`
-   = note: required for the cast from `[closure@$DIR/fallback-closure-wrap.rs:18:40: 18:47]` to the object type `dyn FnMut()`
+   = note: required for the cast from `Box<[closure@$DIR/fallback-closure-wrap.rs:18:40: 18:47]>` to `Box<dyn FnMut()>`
 
 error: aborting due to previous error
 
diff --git a/tests/ui/never_type/never-assign-dead-code.rs b/tests/ui/never_type/never-assign-dead-code.rs
index 7bb7c87097c..e95a992d780 100644
--- a/tests/ui/never_type/never-assign-dead-code.rs
+++ b/tests/ui/never_type/never-assign-dead-code.rs
@@ -3,6 +3,7 @@
 // check-pass
 
 #![feature(never_type)]
+#![allow(drop_copy)]
 #![warn(unused)]
 
 fn main() {
diff --git a/tests/ui/never_type/never-assign-dead-code.stderr b/tests/ui/never_type/never-assign-dead-code.stderr
index 521b82023c9..5660bde5c27 100644
--- a/tests/ui/never_type/never-assign-dead-code.stderr
+++ b/tests/ui/never_type/never-assign-dead-code.stderr
@@ -1,5 +1,5 @@
 warning: unreachable statement
-  --> $DIR/never-assign-dead-code.rs:10:5
+  --> $DIR/never-assign-dead-code.rs:11:5
    |
 LL |     let x: ! = panic!("aah");
    |                ------------- any code following this expression is unreachable
@@ -7,14 +7,14 @@ LL |     drop(x);
    |     ^^^^^^^^ unreachable statement
    |
 note: the lint level is defined here
-  --> $DIR/never-assign-dead-code.rs:6:9
+  --> $DIR/never-assign-dead-code.rs:7:9
    |
 LL | #![warn(unused)]
    |         ^^^^^^
    = note: `#[warn(unreachable_code)]` implied by `#[warn(unused)]`
 
 warning: unreachable call
-  --> $DIR/never-assign-dead-code.rs:10:5
+  --> $DIR/never-assign-dead-code.rs:11:5
    |
 LL |     drop(x);
    |     ^^^^ - any code following this expression is unreachable
@@ -22,7 +22,7 @@ LL |     drop(x);
    |     unreachable call
 
 warning: unused variable: `x`
-  --> $DIR/never-assign-dead-code.rs:9:9
+  --> $DIR/never-assign-dead-code.rs:10:9
    |
 LL |     let x: ! = panic!("aah");
    |         ^ help: if this is intentional, prefix it with an underscore: `_x`
diff --git a/tests/ui/issues/issue-30438-a.rs b/tests/ui/nll/issue-30438-a.rs
index 0d4eb796ad9..0d4eb796ad9 100644
--- a/tests/ui/issues/issue-30438-a.rs
+++ b/tests/ui/nll/issue-30438-a.rs
diff --git a/tests/ui/issues/issue-30438-a.stderr b/tests/ui/nll/issue-30438-a.stderr
index 53845af82fb..53845af82fb 100644
--- a/tests/ui/issues/issue-30438-a.stderr
+++ b/tests/ui/nll/issue-30438-a.stderr
diff --git a/tests/ui/issues/issue-30438-b.rs b/tests/ui/nll/issue-30438-b.rs
index 79510cdb663..79510cdb663 100644
--- a/tests/ui/issues/issue-30438-b.rs
+++ b/tests/ui/nll/issue-30438-b.rs
diff --git a/tests/ui/issues/issue-30438-b.stderr b/tests/ui/nll/issue-30438-b.stderr
index fd6bd25b1da..fd6bd25b1da 100644
--- a/tests/ui/issues/issue-30438-b.stderr
+++ b/tests/ui/nll/issue-30438-b.stderr
diff --git a/tests/ui/issues/issue-30438-c.rs b/tests/ui/nll/issue-30438-c.rs
index 813c1d3e2cc..813c1d3e2cc 100644
--- a/tests/ui/issues/issue-30438-c.rs
+++ b/tests/ui/nll/issue-30438-c.rs
diff --git a/tests/ui/issues/issue-30438-c.stderr b/tests/ui/nll/issue-30438-c.stderr
index 7c001088097..7c001088097 100644
--- a/tests/ui/issues/issue-30438-c.stderr
+++ b/tests/ui/nll/issue-30438-c.stderr
diff --git a/tests/ui/nll/issue-47388.stderr b/tests/ui/nll/issue-47388.stderr
index c780451dfa9..09b9d638afb 100644
--- a/tests/ui/nll/issue-47388.stderr
+++ b/tests/ui/nll/issue-47388.stderr
@@ -7,7 +7,7 @@ LL |     fancy_ref.num = 6;
 help: consider changing this to be a mutable reference
    |
 LL |     let fancy_ref = &mut (&mut fancy);
-   |                     ~~~~~~~~~~~~~~~~~
+   |                      +++
 
 error: aborting due to previous error
 
diff --git a/tests/ui/nll/issue-51244.stderr b/tests/ui/nll/issue-51244.stderr
index 03d8acc8188..8ccb5809e39 100644
--- a/tests/ui/nll/issue-51244.stderr
+++ b/tests/ui/nll/issue-51244.stderr
@@ -7,7 +7,7 @@ LL |     *my_ref = 0;
 help: consider changing this to be a mutable reference
    |
 LL |     let ref mut my_ref @ _ = 0;
-   |         ~~~~~~~~~~~~~~
+   |             +++
 
 error: aborting due to previous error
 
diff --git a/tests/ui/issues/issue-54302-cases.rs b/tests/ui/nll/issue-54302-cases.rs
index faa116269ee..faa116269ee 100644
--- a/tests/ui/issues/issue-54302-cases.rs
+++ b/tests/ui/nll/issue-54302-cases.rs
diff --git a/tests/ui/issues/issue-54302-cases.stderr b/tests/ui/nll/issue-54302-cases.stderr
index 6e8b69c4bee..6e8b69c4bee 100644
--- a/tests/ui/issues/issue-54302-cases.stderr
+++ b/tests/ui/nll/issue-54302-cases.stderr
diff --git a/tests/ui/issues/issue-54302.rs b/tests/ui/nll/issue-54302.rs
index 1bfaebc3895..1bfaebc3895 100644
--- a/tests/ui/issues/issue-54302.rs
+++ b/tests/ui/nll/issue-54302.rs
diff --git a/tests/ui/issues/issue-54302.stderr b/tests/ui/nll/issue-54302.stderr
index 26c46571f9c..26c46571f9c 100644
--- a/tests/ui/issues/issue-54302.stderr
+++ b/tests/ui/nll/issue-54302.stderr
diff --git a/tests/ui/nll/issue-57989.stderr b/tests/ui/nll/issue-57989.stderr
index d5effd6f346..6062b31d688 100644
--- a/tests/ui/nll/issue-57989.stderr
+++ b/tests/ui/nll/issue-57989.stderr
@@ -7,7 +7,7 @@ LL |     *x = 0;
 help: consider changing this to be a mutable reference
    |
 LL | fn f(x: &mut i32) {
-   |         ~~~~~~~~
+   |          +++
 
 error[E0506]: cannot assign to `*x` because it is borrowed
   --> $DIR/issue-57989.rs:5:5
diff --git a/tests/ui/nll/relate_tys/hr-fn-aba-as-aaa.rs b/tests/ui/nll/relate_tys/hr-fn-aba-as-aaa.rs
index 7cc0acf45f2..73ceaeeb875 100644
--- a/tests/ui/nll/relate_tys/hr-fn-aba-as-aaa.rs
+++ b/tests/ui/nll/relate_tys/hr-fn-aba-as-aaa.rs
@@ -5,6 +5,8 @@
 // check-pass
 // compile-flags:-Zno-leak-check
 
+#![allow(drop_copy)]
+
 fn make_it() -> for<'a, 'b> fn(&'a u32, &'b u32) -> &'a u32 {
     panic!()
 }
diff --git a/tests/ui/nll/ty-outlives/projection-body.rs b/tests/ui/nll/ty-outlives/projection-body.rs
index b03a539ebdb..bff9058a507 100644
--- a/tests/ui/nll/ty-outlives/projection-body.rs
+++ b/tests/ui/nll/ty-outlives/projection-body.rs
@@ -3,6 +3,8 @@
 //
 // check-pass
 
+#![allow(drop_ref)]
+
 trait MyTrait<'a> {
     type Output;
 }
diff --git a/tests/ui/not-panic/not-panic-safe-2.stderr b/tests/ui/not-panic/not-panic-safe-2.stderr
index 3b0f83b3b9a..0c399f15a25 100644
--- a/tests/ui/not-panic/not-panic-safe-2.stderr
+++ b/tests/ui/not-panic/not-panic-safe-2.stderr
@@ -5,7 +5,8 @@ LL |     assert::<Rc<RefCell<i32>>>();
    |              ^^^^^^^^^^^^^^^^ `UnsafeCell<i32>` may contain interior mutability and a reference may not be safely transferrable across a catch_unwind boundary
    |
    = help: within `RefCell<i32>`, the trait `RefUnwindSafe` is not implemented for `UnsafeCell<i32>`
-   = note: required because it appears within the type `RefCell<i32>`
+note: required because it appears within the type `RefCell<i32>`
+  --> $SRC_DIR/core/src/cell.rs:LL:COL
    = note: required for `Rc<RefCell<i32>>` to implement `UnwindSafe`
 note: required by a bound in `assert`
   --> $DIR/not-panic-safe-2.rs:7:14
@@ -20,8 +21,10 @@ LL |     assert::<Rc<RefCell<i32>>>();
    |              ^^^^^^^^^^^^^^^^ `UnsafeCell<isize>` may contain interior mutability and a reference may not be safely transferrable across a catch_unwind boundary
    |
    = help: within `RefCell<i32>`, the trait `RefUnwindSafe` is not implemented for `UnsafeCell<isize>`
-   = note: required because it appears within the type `Cell<isize>`
-   = note: required because it appears within the type `RefCell<i32>`
+note: required because it appears within the type `Cell<isize>`
+  --> $SRC_DIR/core/src/cell.rs:LL:COL
+note: required because it appears within the type `RefCell<i32>`
+  --> $SRC_DIR/core/src/cell.rs:LL:COL
    = note: required for `Rc<RefCell<i32>>` to implement `UnwindSafe`
 note: required by a bound in `assert`
   --> $DIR/not-panic-safe-2.rs:7:14
diff --git a/tests/ui/not-panic/not-panic-safe-3.stderr b/tests/ui/not-panic/not-panic-safe-3.stderr
index 9e9a12764a4..53028d6a337 100644
--- a/tests/ui/not-panic/not-panic-safe-3.stderr
+++ b/tests/ui/not-panic/not-panic-safe-3.stderr
@@ -5,7 +5,8 @@ LL |     assert::<Arc<RefCell<i32>>>();
    |              ^^^^^^^^^^^^^^^^^ `UnsafeCell<i32>` may contain interior mutability and a reference may not be safely transferrable across a catch_unwind boundary
    |
    = help: within `RefCell<i32>`, the trait `RefUnwindSafe` is not implemented for `UnsafeCell<i32>`
-   = note: required because it appears within the type `RefCell<i32>`
+note: required because it appears within the type `RefCell<i32>`
+  --> $SRC_DIR/core/src/cell.rs:LL:COL
    = note: required for `Arc<RefCell<i32>>` to implement `UnwindSafe`
 note: required by a bound in `assert`
   --> $DIR/not-panic-safe-3.rs:7:14
@@ -20,8 +21,10 @@ LL |     assert::<Arc<RefCell<i32>>>();
    |              ^^^^^^^^^^^^^^^^^ `UnsafeCell<isize>` may contain interior mutability and a reference may not be safely transferrable across a catch_unwind boundary
    |
    = help: within `RefCell<i32>`, the trait `RefUnwindSafe` is not implemented for `UnsafeCell<isize>`
-   = note: required because it appears within the type `Cell<isize>`
-   = note: required because it appears within the type `RefCell<i32>`
+note: required because it appears within the type `Cell<isize>`
+  --> $SRC_DIR/core/src/cell.rs:LL:COL
+note: required because it appears within the type `RefCell<i32>`
+  --> $SRC_DIR/core/src/cell.rs:LL:COL
    = note: required for `Arc<RefCell<i32>>` to implement `UnwindSafe`
 note: required by a bound in `assert`
   --> $DIR/not-panic-safe-3.rs:7:14
diff --git a/tests/ui/not-panic/not-panic-safe-4.stderr b/tests/ui/not-panic/not-panic-safe-4.stderr
index 9428c125651..b1361cfd87e 100644
--- a/tests/ui/not-panic/not-panic-safe-4.stderr
+++ b/tests/ui/not-panic/not-panic-safe-4.stderr
@@ -5,7 +5,8 @@ LL |     assert::<&RefCell<i32>>();
    |              ^^^^^^^^^^^^^ `UnsafeCell<i32>` may contain interior mutability and a reference may not be safely transferrable across a catch_unwind boundary
    |
    = help: within `RefCell<i32>`, the trait `RefUnwindSafe` is not implemented for `UnsafeCell<i32>`
-   = note: required because it appears within the type `RefCell<i32>`
+note: required because it appears within the type `RefCell<i32>`
+  --> $SRC_DIR/core/src/cell.rs:LL:COL
    = note: required for `&RefCell<i32>` to implement `UnwindSafe`
 note: required by a bound in `assert`
   --> $DIR/not-panic-safe-4.rs:6:14
@@ -25,8 +26,10 @@ LL |     assert::<&RefCell<i32>>();
    |              ^^^^^^^^^^^^^ `UnsafeCell<isize>` may contain interior mutability and a reference may not be safely transferrable across a catch_unwind boundary
    |
    = help: within `RefCell<i32>`, the trait `RefUnwindSafe` is not implemented for `UnsafeCell<isize>`
-   = note: required because it appears within the type `Cell<isize>`
-   = note: required because it appears within the type `RefCell<i32>`
+note: required because it appears within the type `Cell<isize>`
+  --> $SRC_DIR/core/src/cell.rs:LL:COL
+note: required because it appears within the type `RefCell<i32>`
+  --> $SRC_DIR/core/src/cell.rs:LL:COL
    = note: required for `&RefCell<i32>` to implement `UnwindSafe`
 note: required by a bound in `assert`
   --> $DIR/not-panic-safe-4.rs:6:14
diff --git a/tests/ui/not-panic/not-panic-safe-6.stderr b/tests/ui/not-panic/not-panic-safe-6.stderr
index 7986e341eb0..47f28257409 100644
--- a/tests/ui/not-panic/not-panic-safe-6.stderr
+++ b/tests/ui/not-panic/not-panic-safe-6.stderr
@@ -5,7 +5,8 @@ LL |     assert::<*mut RefCell<i32>>();
    |              ^^^^^^^^^^^^^^^^^ `UnsafeCell<i32>` may contain interior mutability and a reference may not be safely transferrable across a catch_unwind boundary
    |
    = help: within `RefCell<i32>`, the trait `RefUnwindSafe` is not implemented for `UnsafeCell<i32>`
-   = note: required because it appears within the type `RefCell<i32>`
+note: required because it appears within the type `RefCell<i32>`
+  --> $SRC_DIR/core/src/cell.rs:LL:COL
    = note: required for `*mut RefCell<i32>` to implement `UnwindSafe`
 note: required by a bound in `assert`
   --> $DIR/not-panic-safe-6.rs:6:14
@@ -20,8 +21,10 @@ LL |     assert::<*mut RefCell<i32>>();
    |              ^^^^^^^^^^^^^^^^^ `UnsafeCell<isize>` may contain interior mutability and a reference may not be safely transferrable across a catch_unwind boundary
    |
    = help: within `RefCell<i32>`, the trait `RefUnwindSafe` is not implemented for `UnsafeCell<isize>`
-   = note: required because it appears within the type `Cell<isize>`
-   = note: required because it appears within the type `RefCell<i32>`
+note: required because it appears within the type `Cell<isize>`
+  --> $SRC_DIR/core/src/cell.rs:LL:COL
+note: required because it appears within the type `RefCell<i32>`
+  --> $SRC_DIR/core/src/cell.rs:LL:COL
    = note: required for `*mut RefCell<i32>` to implement `UnwindSafe`
 note: required by a bound in `assert`
   --> $DIR/not-panic-safe-6.rs:6:14
diff --git a/tests/ui/numbers-arithmetic/overflow-attribute-works-1.rs b/tests/ui/numbers-arithmetic/overflow-attribute-works-1.rs
new file mode 100644
index 00000000000..318be2a6401
--- /dev/null
+++ b/tests/ui/numbers-arithmetic/overflow-attribute-works-1.rs
@@ -0,0 +1,19 @@
+// run-pass
+// compile-flags: -C overflow_checks=true
+
+#![feature(cfg_overflow_checks)]
+
+fn main() {
+    assert!(cfg!(overflow_checks));
+    assert!(compiles_differently());
+}
+
+#[cfg(overflow_checks)]
+fn compiles_differently()->bool {
+    true
+}
+
+#[cfg(not(overflow_checks))]
+fn compiles_differently()->bool {
+    false
+}
diff --git a/tests/ui/numbers-arithmetic/overflow-attribute-works-2.rs b/tests/ui/numbers-arithmetic/overflow-attribute-works-2.rs
new file mode 100644
index 00000000000..0367d980a64
--- /dev/null
+++ b/tests/ui/numbers-arithmetic/overflow-attribute-works-2.rs
@@ -0,0 +1,19 @@
+// run-pass
+// compile-flags: -C overflow_checks=false
+
+#![feature(cfg_overflow_checks)]
+
+fn main() {
+    assert!(!cfg!(overflow_checks));
+    assert!(!compiles_differently());
+}
+
+#[cfg(overflow_checks)]
+fn compiles_differently()->bool {
+    true
+}
+
+#[cfg(not(overflow_checks))]
+fn compiles_differently()->bool {
+    false
+}
diff --git a/tests/ui/object-safety/issue-19538.stderr b/tests/ui/object-safety/issue-19538.stderr
index 8420637b3de..183245b2322 100644
--- a/tests/ui/object-safety/issue-19538.stderr
+++ b/tests/ui/object-safety/issue-19538.stderr
@@ -29,8 +29,7 @@ LL |     fn foo<T>(&self, val: T);
 LL | trait Bar: Foo { }
    |       --- this trait cannot be made into an object...
    = help: consider moving `foo` to another trait
-   = note: required for `&mut Thing` to implement `CoerceUnsized<&mut dyn Bar>`
-   = note: required by cast to type `&mut dyn Bar`
+   = note: required for the cast from `&mut Thing` to `&mut dyn Bar`
 
 error: aborting due to 2 previous errors
 
diff --git a/tests/ui/object-safety/object-safety-associated-consts.object_safe_for_dispatch.stderr b/tests/ui/object-safety/object-safety-associated-consts.object_safe_for_dispatch.stderr
index f44de07d5da..db3e0885a85 100644
--- a/tests/ui/object-safety/object-safety-associated-consts.object_safe_for_dispatch.stderr
+++ b/tests/ui/object-safety/object-safety-associated-consts.object_safe_for_dispatch.stderr
@@ -12,8 +12,7 @@ LL | trait Bar {
 LL |     const X: usize;
    |           ^ ...because it contains this associated `const`
    = help: consider moving `X` to another trait
-   = note: required for `&T` to implement `CoerceUnsized<&dyn Bar>`
-   = note: required by cast to type `&dyn Bar`
+   = note: required for the cast from `&T` to `&dyn Bar`
 
 error: aborting due to previous error
 
diff --git a/tests/ui/object-safety/object-safety-generics.object_safe_for_dispatch.stderr b/tests/ui/object-safety/object-safety-generics.object_safe_for_dispatch.stderr
index 9a2d472d5e7..b200b64a1f0 100644
--- a/tests/ui/object-safety/object-safety-generics.object_safe_for_dispatch.stderr
+++ b/tests/ui/object-safety/object-safety-generics.object_safe_for_dispatch.stderr
@@ -12,8 +12,7 @@ LL | trait Bar {
 LL |     fn bar<T>(&self, t: T);
    |        ^^^ ...because method `bar` has generic type parameters
    = help: consider moving `bar` to another trait
-   = note: required for `&T` to implement `CoerceUnsized<&dyn Bar>`
-   = note: required by cast to type `&dyn Bar`
+   = note: required for the cast from `&T` to `&dyn Bar`
 
 error[E0038]: the trait `Bar` cannot be made into an object
   --> $DIR/object-safety-generics.rs:26:5
@@ -29,8 +28,7 @@ LL | trait Bar {
 LL |     fn bar<T>(&self, t: T);
    |        ^^^ ...because method `bar` has generic type parameters
    = help: consider moving `bar` to another trait
-   = note: required for `&T` to implement `CoerceUnsized<&dyn Bar>`
-   = note: required by cast to type `&dyn Bar`
+   = note: required for the cast from `&T` to `&dyn Bar`
 
 error: aborting due to 2 previous errors
 
diff --git a/tests/ui/object-safety/object-safety-mentions-Self.object_safe_for_dispatch.stderr b/tests/ui/object-safety/object-safety-mentions-Self.object_safe_for_dispatch.stderr
index 40a298bd1a7..414614d8d0b 100644
--- a/tests/ui/object-safety/object-safety-mentions-Self.object_safe_for_dispatch.stderr
+++ b/tests/ui/object-safety/object-safety-mentions-Self.object_safe_for_dispatch.stderr
@@ -12,8 +12,7 @@ LL | trait Bar {
 LL |     fn bar(&self, x: &Self);
    |                      ^^^^^ ...because method `bar` references the `Self` type in this parameter
    = help: consider moving `bar` to another trait
-   = note: required for `&T` to implement `CoerceUnsized<&dyn Bar>`
-   = note: required by cast to type `&dyn Bar`
+   = note: required for the cast from `&T` to `&dyn Bar`
 
 error[E0038]: the trait `Baz` cannot be made into an object
   --> $DIR/object-safety-mentions-Self.rs:30:5
@@ -29,8 +28,7 @@ LL | trait Baz {
 LL |     fn baz(&self) -> Self;
    |                      ^^^^ ...because method `baz` references the `Self` type in its return type
    = help: consider moving `baz` to another trait
-   = note: required for `&T` to implement `CoerceUnsized<&dyn Baz>`
-   = note: required by cast to type `&dyn Baz`
+   = note: required for the cast from `&T` to `&dyn Baz`
 
 error: aborting due to 2 previous errors
 
diff --git a/tests/ui/object-safety/object-safety-no-static.object_safe_for_dispatch.stderr b/tests/ui/object-safety/object-safety-no-static.object_safe_for_dispatch.stderr
index da87b58c9e2..befcef952a8 100644
--- a/tests/ui/object-safety/object-safety-no-static.object_safe_for_dispatch.stderr
+++ b/tests/ui/object-safety/object-safety-no-static.object_safe_for_dispatch.stderr
@@ -11,8 +11,7 @@ LL | trait Foo {
    |       --- this trait cannot be made into an object...
 LL |     fn foo() {}
    |        ^^^ ...because associated function `foo` has no `self` parameter
-   = note: required for `Box<Bar>` to implement `CoerceUnsized<Box<dyn Foo>>`
-   = note: required by cast to type `Box<dyn Foo>`
+   = note: required for the cast from `Box<Bar>` to `Box<dyn Foo>`
 help: consider turning `foo` into a method by giving it a `&self` argument
    |
 LL |     fn foo(&self) {}
diff --git a/tests/ui/object-safety/object-safety-sized-2.object_safe_for_dispatch.stderr b/tests/ui/object-safety/object-safety-sized-2.object_safe_for_dispatch.stderr
index 6c29c8d5f7c..90e5c59dd02 100644
--- a/tests/ui/object-safety/object-safety-sized-2.object_safe_for_dispatch.stderr
+++ b/tests/ui/object-safety/object-safety-sized-2.object_safe_for_dispatch.stderr
@@ -11,8 +11,7 @@ LL | trait Bar
    |       --- this trait cannot be made into an object...
 LL |     where Self : Sized
    |                  ^^^^^ ...because it requires `Self: Sized`
-   = note: required for `&T` to implement `CoerceUnsized<&dyn Bar>`
-   = note: required by cast to type `&dyn Bar`
+   = note: required for the cast from `&T` to `&dyn Bar`
 
 error: aborting due to previous error
 
diff --git a/tests/ui/object-safety/object-safety-sized.object_safe_for_dispatch.stderr b/tests/ui/object-safety/object-safety-sized.object_safe_for_dispatch.stderr
index 70a44ed6101..a6c22b8747e 100644
--- a/tests/ui/object-safety/object-safety-sized.object_safe_for_dispatch.stderr
+++ b/tests/ui/object-safety/object-safety-sized.object_safe_for_dispatch.stderr
@@ -11,8 +11,7 @@ LL | trait Bar : Sized {
    |       ---   ^^^^^ ...because it requires `Self: Sized`
    |       |
    |       this trait cannot be made into an object...
-   = note: required for `&T` to implement `CoerceUnsized<&dyn Bar>`
-   = note: required by cast to type `&dyn Bar`
+   = note: required for the cast from `&T` to `&dyn Bar`
 
 error: aborting due to previous error
 
diff --git a/tests/ui/offset-of/offset-of-arg-count.rs b/tests/ui/offset-of/offset-of-arg-count.rs
index 163b07454ec..92a205f14d9 100644
--- a/tests/ui/offset-of/offset-of-arg-count.rs
+++ b/tests/ui/offset-of/offset-of-arg-count.rs
@@ -3,7 +3,20 @@
 use std::mem::offset_of;
 
 fn main() {
-    offset_of!(NotEnoughArguments); //~ ERROR expected one of
-    offset_of!(NotEnoughArgumentsWithAComma, ); //~ ERROR expected 2 arguments
-    offset_of!(Container, field, too many arguments); //~ ERROR expected 2 arguments
+    offset_of!(NotEnoughArguments); //~ ERROR unexpected end of macro invocation
+    offset_of!(NotEnoughArgumentsWithAComma, ); //~ ERROR unexpected end of macro invocation
+    offset_of!(Container, field, too many arguments); //~ ERROR no rules expected the token `too`
+    offset_of!(S, f); // compiles fine
+    offset_of!(S, f,); // also compiles fine
+    offset_of!(S, f.); //~ ERROR unexpected end of macro invocation
+    offset_of!(S, f.,); //~ ERROR expected identifier
+    offset_of!(S, f..); //~ ERROR no rules expected the token
+    offset_of!(S, f..,); //~ ERROR no rules expected the token
+    offset_of!(Lt<'static>, bar); // issue #111657
+
+}
+
+struct S { f: u8, }
+struct Lt<'a> {
+    bar: &'a (),
 }
diff --git a/tests/ui/offset-of/offset-of-arg-count.stderr b/tests/ui/offset-of/offset-of-arg-count.stderr
index ebecc982c51..4275a89545f 100644
--- a/tests/ui/offset-of/offset-of-arg-count.stderr
+++ b/tests/ui/offset-of/offset-of-arg-count.stderr
@@ -1,20 +1,59 @@
-error: expected one of `!`, `(`, `+`, `,`, `::`, or `<`, found `<eof>`
-  --> $DIR/offset-of-arg-count.rs:6:16
+error: unexpected end of macro invocation
+  --> $DIR/offset-of-arg-count.rs:6:34
    |
 LL |     offset_of!(NotEnoughArguments);
-   |                ^^^^^^^^^^^^^^^^^^ expected one of `!`, `(`, `+`, `,`, `::`, or `<`
+   |                                  ^ missing tokens in macro arguments
+   |
+note: while trying to match `,`
+  --> $SRC_DIR/core/src/mem/mod.rs:LL:COL
 
-error: expected 2 arguments
-  --> $DIR/offset-of-arg-count.rs:7:5
+error: unexpected end of macro invocation
+  --> $DIR/offset-of-arg-count.rs:7:45
    |
 LL |     offset_of!(NotEnoughArgumentsWithAComma, );
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |                                             ^ missing tokens in macro arguments
+   |
+note: while trying to match meta-variable `$fields:tt`
+  --> $SRC_DIR/core/src/mem/mod.rs:LL:COL
 
-error: expected 2 arguments
-  --> $DIR/offset-of-arg-count.rs:8:5
+error: no rules expected the token `too`
+  --> $DIR/offset-of-arg-count.rs:8:34
    |
 LL |     offset_of!(Container, field, too many arguments);
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |                                  ^^^ no rules expected this token in macro call
+   |
+   = note: while trying to match sequence end
+
+error: unexpected end of macro invocation
+  --> $DIR/offset-of-arg-count.rs:11:21
+   |
+LL |     offset_of!(S, f.);
+   |                     ^ missing tokens in macro arguments
+   |
+note: while trying to match meta-variable `$fields:tt`
+  --> $SRC_DIR/core/src/mem/mod.rs:LL:COL
+
+error: expected identifier, found `,`
+  --> $DIR/offset-of-arg-count.rs:12:21
+   |
+LL |     offset_of!(S, f.,);
+   |                     ^ expected identifier
+
+error: no rules expected the token `..`
+  --> $DIR/offset-of-arg-count.rs:13:20
+   |
+LL |     offset_of!(S, f..);
+   |                    ^^ no rules expected this token in macro call
+   |
+   = note: while trying to match sequence start
+
+error: no rules expected the token `..`
+  --> $DIR/offset-of-arg-count.rs:14:20
+   |
+LL |     offset_of!(S, f..,);
+   |                    ^^ no rules expected this token in macro call
+   |
+   = note: while trying to match sequence start
 
-error: aborting due to 3 previous errors
+error: aborting due to 7 previous errors
 
diff --git a/tests/ui/offset-of/offset-of-builtin.rs b/tests/ui/offset-of/offset-of-builtin.rs
new file mode 100644
index 00000000000..1be9899887b
--- /dev/null
+++ b/tests/ui/offset-of/offset-of-builtin.rs
@@ -0,0 +1,44 @@
+#![feature(builtin_syntax)]
+
+// For the exposed macro we already test these errors in the other files,
+// but this test helps to make sure the builtin construct also errors.
+// This has the same examples as offset-of-arg-count.rs
+
+fn main() {
+    builtin # offset_of(NotEnoughArguments); //~ ERROR expected one of
+}
+fn t1() {
+    // Already errored upon at the macro level. Yielding an error would require
+    // extra effort.
+    builtin # offset_of(NotEnoughArgumentsWithAComma, );
+}
+fn t2() {
+    builtin # offset_of(Container, field, too many arguments); //~ ERROR expected identifier, found
+    //~| ERROR found `,`
+    //~| ERROR found `many`
+    //~| ERROR found `arguments`
+}
+fn t3() {
+    builtin # offset_of(S, f); // compiles fine
+}
+fn t4() {
+    // Already errored upon at the macro level. Yielding an error would require
+    // extra effort.
+    builtin # offset_of(S, f);
+}
+fn t5() {
+    builtin # offset_of(S, f.); //~ ERROR expected identifier
+}
+fn t6() {
+    builtin # offset_of(S, f.,); //~ ERROR expected identifier
+}
+fn t7() {
+    builtin # offset_of(S, f..); //~ ERROR expected one of
+}
+fn t8() {
+    // Already errored upon at the macro level. Yielding an error would require
+    // extra effort.
+    builtin # offset_of(S, f..,);
+}
+
+struct S { f: u8, }
diff --git a/tests/ui/offset-of/offset-of-builtin.stderr b/tests/ui/offset-of/offset-of-builtin.stderr
new file mode 100644
index 00000000000..1a1f33cc613
--- /dev/null
+++ b/tests/ui/offset-of/offset-of-builtin.stderr
@@ -0,0 +1,65 @@
+error: expected one of `!`, `(`, `+`, `,`, `::`, or `<`, found `)`
+  --> $DIR/offset-of-builtin.rs:8:43
+   |
+LL |     builtin # offset_of(NotEnoughArguments);
+   |                                           ^ expected one of `!`, `(`, `+`, `,`, `::`, or `<`
+
+error: expected identifier, found `,`
+  --> $DIR/offset-of-builtin.rs:16:41
+   |
+LL |     builtin # offset_of(Container, field, too many arguments);
+   |                                         ^
+   |                                         |
+   |                                         expected identifier
+   |                                         help: remove this comma
+
+error: expected one of `)` or `.`, found `,`
+  --> $DIR/offset-of-builtin.rs:16:41
+   |
+LL |     builtin # offset_of(Container, field, too many arguments);
+   |                                         ^
+   |                                         |
+   |                                         expected one of `)` or `.`
+   |                                         help: missing `.`
+
+error: expected one of `)` or `.`, found `many`
+  --> $DIR/offset-of-builtin.rs:16:47
+   |
+LL |     builtin # offset_of(Container, field, too many arguments);
+   |                                              -^^^^ expected one of `)` or `.`
+   |                                              |
+   |                                              help: missing `.`
+
+error: expected one of `)` or `.`, found `arguments`
+  --> $DIR/offset-of-builtin.rs:16:52
+   |
+LL |     builtin # offset_of(Container, field, too many arguments);
+   |                                                   -^^^^^^^^^ expected one of `)` or `.`
+   |                                                   |
+   |                                                   help: missing `.`
+
+error: expected identifier, found `)`
+  --> $DIR/offset-of-builtin.rs:30:30
+   |
+LL |     builtin # offset_of(S, f.);
+   |                              ^ expected identifier
+
+error: expected identifier, found `,`
+  --> $DIR/offset-of-builtin.rs:33:30
+   |
+LL |     builtin # offset_of(S, f.,);
+   |                              ^ expected identifier
+
+error: expected one of `)` or `.`, found `..`
+  --> $DIR/offset-of-builtin.rs:36:29
+   |
+LL |     builtin # offset_of(S, f..);
+   |                             ^^ expected one of `)` or `.`
+   |
+help: if you meant to bind the contents of the rest of the array pattern into `f`, use `@`
+   |
+LL |     builtin # offset_of(S, f @ ..);
+   |                              +
+
+error: aborting due to 8 previous errors
+
diff --git a/tests/ui/offset-of/offset-of-dst-field.stderr b/tests/ui/offset-of/offset-of-dst-field.stderr
index 8e88015b07a..e6e0f499236 100644
--- a/tests/ui/offset-of/offset-of-dst-field.stderr
+++ b/tests/ui/offset-of/offset-of-dst-field.stderr
@@ -5,6 +5,7 @@ LL |     offset_of!(Alpha, z);
    |     ^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
    |
    = help: the trait `Sized` is not implemented for `[u8]`
+   = note: this error originates in the macro `offset_of` (in Nightly builds, run with -Z macro-backtrace for more info)
 
 error[E0277]: the size for values of type `(dyn Trait + 'static)` cannot be known at compilation time
   --> $DIR/offset-of-dst-field.rs:31:5
@@ -13,6 +14,7 @@ LL |     offset_of!(Beta, z);
    |     ^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
    |
    = help: the trait `Sized` is not implemented for `(dyn Trait + 'static)`
+   = note: this error originates in the macro `offset_of` (in Nightly builds, run with -Z macro-backtrace for more info)
 
 error[E0277]: the size for values of type `Extern` cannot be known at compilation time
   --> $DIR/offset-of-dst-field.rs:32:5
@@ -21,6 +23,7 @@ LL |     offset_of!(Gamma, z);
    |     ^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
    |
    = help: the trait `Sized` is not implemented for `Extern`
+   = note: this error originates in the macro `offset_of` (in Nightly builds, run with -Z macro-backtrace for more info)
 
 error: aborting due to 3 previous errors
 
diff --git a/tests/ui/offset-of/offset-of-unstable.stderr b/tests/ui/offset-of/offset-of-unstable.stderr
index 25811a061d7..c39882519a5 100644
--- a/tests/ui/offset-of/offset-of-unstable.stderr
+++ b/tests/ui/offset-of/offset-of-unstable.stderr
@@ -33,6 +33,7 @@ LL | |     );
    | |_____^
    |
    = help: add `#![feature(unstable_test_feature)]` to the crate attributes to enable
+   = note: this error originates in the macro `offset_of` (in Nightly builds, run with -Z macro-backtrace for more info)
 
 error[E0658]: use of unstable library feature 'unstable_test_feature'
   --> $DIR/offset-of-unstable.rs:18:5
@@ -41,6 +42,7 @@ LL |     offset_of!(StableWithUnstableField, unstable);
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
    = help: add `#![feature(unstable_test_feature)]` to the crate attributes to enable
+   = note: this error originates in the macro `offset_of` (in Nightly builds, run with -Z macro-backtrace for more info)
 
 error[E0658]: use of unstable library feature 'unstable_test_feature'
   --> $DIR/offset-of-unstable.rs:20:5
@@ -49,6 +51,7 @@ LL |     offset_of!(StableWithUnstableFieldType, stable.unstable);
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
    = help: add `#![feature(unstable_test_feature)]` to the crate attributes to enable
+   = note: this error originates in the macro `offset_of` (in Nightly builds, run with -Z macro-backtrace for more info)
 
 error[E0658]: use of unstable library feature 'unstable_test_feature'
   --> $DIR/offset-of-unstable.rs:21:5
@@ -61,6 +64,7 @@ LL | |     );
    | |_____^
    |
    = help: add `#![feature(unstable_test_feature)]` to the crate attributes to enable
+   = note: this error originates in the macro `offset_of` (in Nightly builds, run with -Z macro-backtrace for more info)
 
 error[E0658]: use of unstable library feature 'unstable_test_feature'
   --> $DIR/offset-of-unstable.rs:26:5
@@ -73,6 +77,7 @@ LL | |     );
    | |_____^
    |
    = help: add `#![feature(unstable_test_feature)]` to the crate attributes to enable
+   = note: this error originates in the macro `offset_of` (in Nightly builds, run with -Z macro-backtrace for more info)
 
 error: aborting due to 8 previous errors
 
diff --git a/tests/ui/optimization-remark.rs b/tests/ui/optimization-remark.rs
index 4f651b1dcbc..8fd30466f43 100644
--- a/tests/ui/optimization-remark.rs
+++ b/tests/ui/optimization-remark.rs
@@ -13,7 +13,7 @@
 // [merge1] compile-flags: -Cremark=all    -Cremark=giraffe
 // [merge2] compile-flags: -Cremark=inline -Cremark=giraffe
 //
-// error-pattern: inline: 'f' not inlined into 'g'
+// error-pattern: inline (missed): 'f' not inlined into 'g'
 // dont-check-compiler-stderr
 
 #[no_mangle]
diff --git a/tests/ui/or-patterns/or-patterns-default-binding-modes.rs b/tests/ui/or-patterns/or-patterns-default-binding-modes.rs
index e56f9ffe23c..c138d99d303 100644
--- a/tests/ui/or-patterns/or-patterns-default-binding-modes.rs
+++ b/tests/ui/or-patterns/or-patterns-default-binding-modes.rs
@@ -3,6 +3,8 @@
 // check-pass
 
 #![allow(irrefutable_let_patterns)]
+#![allow(drop_copy)]
+#![allow(drop_ref)]
 
 fn main() {
     // A regression test for a mistake we made at one point:
diff --git a/tests/ui/or-patterns/or-patterns-syntactic-fail.rs b/tests/ui/or-patterns/or-patterns-syntactic-fail.rs
index 358e9d034c4..23dbb57cbcf 100644
--- a/tests/ui/or-patterns/or-patterns-syntactic-fail.rs
+++ b/tests/ui/or-patterns/or-patterns-syntactic-fail.rs
@@ -8,9 +8,12 @@ use E::*;
 
 fn no_top_level_or_patterns() {
     // We do *not* allow or-patterns at the top level of lambdas...
-    let _ = |A | B: E| (); //~ ERROR no implementation for `E | ()`
+    let _ = |A | B: E| ();
+                           //~^ ERROR expected identifier, found
     //           -------- This looks like an or-pattern but is in fact `|A| (B: E | ())`.
+}
 
+fn no_top_level_or_patterns_2() {
     // ...and for now neither do we allow or-patterns at the top level of functions.
     fn fun1(A | B: E) {}
     //~^ ERROR top-level or-patterns are not allowed
diff --git a/tests/ui/or-patterns/or-patterns-syntactic-fail.stderr b/tests/ui/or-patterns/or-patterns-syntactic-fail.stderr
index 604bba417e6..c16a90368e1 100644
--- a/tests/ui/or-patterns/or-patterns-syntactic-fail.stderr
+++ b/tests/ui/or-patterns/or-patterns-syntactic-fail.stderr
@@ -1,43 +1,34 @@
+error: expected identifier, found `:`
+  --> $DIR/or-patterns-syntactic-fail.rs:11:19
+   |
+LL |     let _ = |A | B: E| ();
+   |                   ^ expected identifier
+   |
+   = note: type ascription syntax has been removed, see issue #101728 <https://github.com/rust-lang/rust/issues/101728>
+
 error: top-level or-patterns are not allowed in function parameters
-  --> $DIR/or-patterns-syntactic-fail.rs:15:13
+  --> $DIR/or-patterns-syntactic-fail.rs:18:13
    |
 LL |     fn fun1(A | B: E) {}
    |             ^^^^^ help: wrap the pattern in parentheses: `(A | B)`
 
 error: top-level or-patterns are not allowed in function parameters
-  --> $DIR/or-patterns-syntactic-fail.rs:18:13
+  --> $DIR/or-patterns-syntactic-fail.rs:21:13
    |
 LL |     fn fun2(| A | B: E) {}
    |             ^^^^^^^ help: wrap the pattern in parentheses: `(A | B)`
 
 error: top-level or-patterns are not allowed in `let` bindings
-  --> $DIR/or-patterns-syntactic-fail.rs:23:9
+  --> $DIR/or-patterns-syntactic-fail.rs:26:9
    |
 LL |     let A | B: E = A;
    |         ^^^^^ help: wrap the pattern in parentheses: `(A | B)`
 
 error: top-level or-patterns are not allowed in `let` bindings
-  --> $DIR/or-patterns-syntactic-fail.rs:26:9
+  --> $DIR/or-patterns-syntactic-fail.rs:29:9
    |
 LL |     let | A | B: E = A;
    |         ^^^^^^^ help: wrap the pattern in parentheses: `(A | B)`
 
-error[E0369]: no implementation for `E | ()`
-  --> $DIR/or-patterns-syntactic-fail.rs:11:22
-   |
-LL |     let _ = |A | B: E| ();
-   |                  ----^ -- ()
-   |                  |
-   |                  E
-   |
-note: an implementation of `BitOr<()>` might be missing for `E`
-  --> $DIR/or-patterns-syntactic-fail.rs:6:1
-   |
-LL | enum E { A, B }
-   | ^^^^^^ must implement `BitOr<()>`
-note: the trait `BitOr` must be implemented
-  --> $SRC_DIR/core/src/ops/bit.rs:LL:COL
-
 error: aborting due to 5 previous errors
 
-For more information about this error, try `rustc --explain E0369`.
diff --git a/tests/ui/panic-runtime/auxiliary/needs-unwind.rs b/tests/ui/panic-runtime/auxiliary/needs-unwind.rs
index d555b531986..ba917b52d9a 100644
--- a/tests/ui/panic-runtime/auxiliary/needs-unwind.rs
+++ b/tests/ui/panic-runtime/auxiliary/needs-unwind.rs
@@ -3,7 +3,6 @@
 
 #![crate_type = "rlib"]
 #![no_std]
-#![feature(c_unwind)]
 
 extern "C-unwind" fn foo() {}
 
diff --git a/tests/ui/panics/default-backtrace-ice.rs b/tests/ui/panics/default-backtrace-ice.rs
index fd86a3f9dfa..b40203c339d 100644
--- a/tests/ui/panics/default-backtrace-ice.rs
+++ b/tests/ui/panics/default-backtrace-ice.rs
@@ -2,8 +2,20 @@
 // compile-flags:-Z treat-err-as-bug=1
 // error-pattern:stack backtrace:
 // failure-status:101
+// ignore-msvc
 // normalize-stderr-test "note: .*" -> ""
 // normalize-stderr-test "thread 'rustc' .*" -> ""
-// normalize-stderr-test "  .*\n" -> ""
+// normalize-stderr-test " +\d+:.*__rust_begin_short_backtrace.*" -> "(begin_short_backtrace)"
+// normalize-stderr-test " +\d+:.*__rust_end_short_backtrace.*" -> "(end_short_backtrace)"
+// normalize-stderr-test " +\d+:.*\n" -> ""
+// normalize-stderr-test " +at .*\n" -> ""
+//
+// This test makes sure that full backtraces are used for ICEs when
+// RUST_BACKTRACE is not set. It does this by checking for the presence of
+// `__rust_{begin,end}_short_backtrace` markers, which only appear in full
+// backtraces. The rest of the backtrace is filtered out.
+//
+// Ignored on msvc becaue the `__rust_{begin,end}_short_backtrace` symbols
+// aren't reliable.
 
 fn main() { missing_ident; }
diff --git a/tests/ui/panics/default-backtrace-ice.stderr b/tests/ui/panics/default-backtrace-ice.stderr
index 4bd4780e25f..815ce4dd015 100644
--- a/tests/ui/panics/default-backtrace-ice.stderr
+++ b/tests/ui/panics/default-backtrace-ice.stderr
@@ -1,8 +1,15 @@
 error[E0425]: cannot find value `missing_ident` in this scope
+  --> $DIR/default-backtrace-ice.rs:21:13
+   |
 LL | fn main() { missing_ident; }
+   |             ^^^^^^^^^^^^^ not found in this scope
 
 
 stack backtrace:
+(end_short_backtrace)
+(begin_short_backtrace)
+(end_short_backtrace)
+(begin_short_backtrace)
 
 error: the compiler unexpectedly panicked. this is a bug.
 
diff --git a/tests/ui/panics/short-ice-remove-middle-frames-2.rs b/tests/ui/panics/short-ice-remove-middle-frames-2.rs
new file mode 100644
index 00000000000..38a80f8b670
--- /dev/null
+++ b/tests/ui/panics/short-ice-remove-middle-frames-2.rs
@@ -0,0 +1,61 @@
+// compile-flags:-Cstrip=none
+// run-fail
+// check-run-results
+// exec-env:RUST_BACKTRACE=1
+// ignore-android FIXME #17520
+// ignore-wasm no panic support
+// ignore-openbsd no support for libbacktrace without filename
+// ignore-emscripten no panic
+// ignore-sgx Backtraces not symbolized
+// ignore-fuchsia Backtraces not symbolized
+// ignore-msvc the `__rust_{begin,end}_short_backtrace` symbols aren't reliable.
+
+/// This test case make sure that we can have multiple pairs of `__rust_{begin,end}_short_backtrace`
+
+#[inline(never)]
+fn __rust_begin_short_backtrace<T, F: FnOnce() -> T>(f: F) -> T {
+    let result = f();
+    std::hint::black_box(result)
+}
+
+#[inline(never)]
+fn __rust_end_short_backtrace<T, F: FnOnce() -> T>(f: F) -> T {
+    let result = f();
+    std::hint::black_box(result)
+}
+
+fn first() {
+    __rust_end_short_backtrace(|| second());
+}
+
+fn second() {
+    third(); // won't show up
+}
+
+fn third() {
+    fourth(); // won't show up
+}
+
+fn fourth() {
+    __rust_begin_short_backtrace(|| fifth());
+}
+
+fn fifth() {
+    __rust_end_short_backtrace(|| sixth());
+}
+
+fn sixth() {
+    seven(); // won't show up
+}
+
+fn seven() {
+    __rust_begin_short_backtrace(|| eight());
+}
+
+fn eight() {
+    panic!("debug!!!");
+}
+
+fn main() {
+    first();
+}
diff --git a/tests/ui/panics/short-ice-remove-middle-frames-2.run.stderr b/tests/ui/panics/short-ice-remove-middle-frames-2.run.stderr
new file mode 100644
index 00000000000..2592b747918
--- /dev/null
+++ b/tests/ui/panics/short-ice-remove-middle-frames-2.run.stderr
@@ -0,0 +1,11 @@
+thread 'main' panicked at 'debug!!!', $DIR/short-ice-remove-middle-frames-2.rs:56:5
+stack backtrace:
+   0: std::panicking::begin_panic
+   1: short_ice_remove_middle_frames_2::eight
+   2: short_ice_remove_middle_frames_2::seven::{{closure}}
+   3: short_ice_remove_middle_frames_2::fifth
+   4: short_ice_remove_middle_frames_2::fourth::{{closure}}
+   5: short_ice_remove_middle_frames_2::first
+   6: short_ice_remove_middle_frames_2::main
+   7: core::ops::function::FnOnce::call_once
+note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.
diff --git a/tests/ui/panics/short-ice-remove-middle-frames.rs b/tests/ui/panics/short-ice-remove-middle-frames.rs
new file mode 100644
index 00000000000..c872084f033
--- /dev/null
+++ b/tests/ui/panics/short-ice-remove-middle-frames.rs
@@ -0,0 +1,57 @@
+// compile-flags:-Cstrip=none
+// run-fail
+// check-run-results
+// exec-env:RUST_BACKTRACE=1
+// ignore-android FIXME #17520
+// ignore-wasm no panic support
+// ignore-openbsd no support for libbacktrace without filename
+// ignore-emscripten no panic
+// ignore-sgx Backtraces not symbolized
+// ignore-fuchsia Backtraces not symbolized
+// ignore-msvc the `__rust_{begin,end}_short_backtrace` symbols aren't reliable.
+
+
+#[inline(never)]
+fn __rust_begin_short_backtrace<T, F: FnOnce() -> T>(f: F) -> T {
+    let result = f();
+    std::hint::black_box(result)
+}
+
+#[inline(never)]
+fn __rust_end_short_backtrace<T, F: FnOnce() -> T>(f: F) -> T {
+    let result = f();
+    std::hint::black_box(result)
+}
+
+fn first() {
+    __rust_end_short_backtrace(|| second());
+    // do not take effect since we already has a inner call of __rust_end_short_backtrace
+}
+
+fn second() {
+    __rust_end_short_backtrace(|| third());
+}
+
+fn third() {
+    fourth(); // won't show up in backtrace
+}
+
+fn fourth() {
+    fifth(); // won't show up in backtrace
+}
+
+fn fifth() {
+    __rust_begin_short_backtrace(|| sixth());
+}
+
+fn sixth() {
+    seven();
+}
+
+fn seven() {
+    panic!("debug!!!");
+}
+
+fn main() {
+    first();
+}
diff --git a/tests/ui/panics/short-ice-remove-middle-frames.run.stderr b/tests/ui/panics/short-ice-remove-middle-frames.run.stderr
new file mode 100644
index 00000000000..9c15f2e08fe
--- /dev/null
+++ b/tests/ui/panics/short-ice-remove-middle-frames.run.stderr
@@ -0,0 +1,12 @@
+thread 'main' panicked at 'debug!!!', $DIR/short-ice-remove-middle-frames.rs:52:5
+stack backtrace:
+   0: std::panicking::begin_panic
+   1: short_ice_remove_middle_frames::seven
+   2: short_ice_remove_middle_frames::sixth
+   3: short_ice_remove_middle_frames::fifth::{{closure}}
+   4: short_ice_remove_middle_frames::second
+   5: short_ice_remove_middle_frames::first::{{closure}}
+   6: short_ice_remove_middle_frames::first
+   7: short_ice_remove_middle_frames::main
+   8: core::ops::function::FnOnce::call_once
+note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.
diff --git a/tests/ui/parser/attr-stmt-expr-attr-bad.rs b/tests/ui/parser/attr-stmt-expr-attr-bad.rs
index c94a32146b9..d1950087c4c 100644
--- a/tests/ui/parser/attr-stmt-expr-attr-bad.rs
+++ b/tests/ui/parser/attr-stmt-expr-attr-bad.rs
@@ -6,6 +6,7 @@ fn main() {}
 //~^ ERROR expected one of
 #[cfg(FALSE)] fn e() { let _ = foo(#![attr]); }
 //~^ ERROR an inner attribute is not permitted in this context
+//~| ERROR an inner attribute is not permitted in this context
 //~| ERROR expected expression, found `)`
 #[cfg(FALSE)] fn e() { let _ = x.foo(#![attr]); }
 //~^ ERROR an inner attribute is not permitted in this context
diff --git a/tests/ui/parser/attr-stmt-expr-attr-bad.stderr b/tests/ui/parser/attr-stmt-expr-attr-bad.stderr
index a857f11fd18..96899fd3fc5 100644
--- a/tests/ui/parser/attr-stmt-expr-attr-bad.stderr
+++ b/tests/ui/parser/attr-stmt-expr-attr-bad.stderr
@@ -19,6 +19,15 @@ LL | #[cfg(FALSE)] fn e() { let _ = foo(#![attr]); }
    = note: inner attributes, like `#![no_std]`, annotate the item enclosing them, and are usually found at the beginning of source files
    = note: outer attributes, like `#[test]`, annotate the item following them
 
+error: an inner attribute is not permitted in this context
+  --> $DIR/attr-stmt-expr-attr-bad.rs:7:36
+   |
+LL | #[cfg(FALSE)] fn e() { let _ = foo(#![attr]); }
+   |                                    ^^^^^^^^
+   |
+   = note: inner attributes, like `#![no_std]`, annotate the item enclosing them, and are usually found at the beginning of source files
+   = note: outer attributes, like `#[test]`, annotate the item following them
+
 error: expected expression, found `)`
   --> $DIR/attr-stmt-expr-attr-bad.rs:7:44
    |
@@ -26,7 +35,7 @@ LL | #[cfg(FALSE)] fn e() { let _ = foo(#![attr]); }
    |                                            ^ expected expression
 
 error: an inner attribute is not permitted in this context
-  --> $DIR/attr-stmt-expr-attr-bad.rs:10:38
+  --> $DIR/attr-stmt-expr-attr-bad.rs:11:38
    |
 LL | #[cfg(FALSE)] fn e() { let _ = x.foo(#![attr]); }
    |                                      ^^^^^^^^
@@ -35,13 +44,13 @@ LL | #[cfg(FALSE)] fn e() { let _ = x.foo(#![attr]); }
    = note: outer attributes, like `#[test]`, annotate the item following them
 
 error: expected expression, found `)`
-  --> $DIR/attr-stmt-expr-attr-bad.rs:10:46
+  --> $DIR/attr-stmt-expr-attr-bad.rs:11:46
    |
 LL | #[cfg(FALSE)] fn e() { let _ = x.foo(#![attr]); }
    |                                              ^ expected expression
 
 error: an inner attribute is not permitted in this context
-  --> $DIR/attr-stmt-expr-attr-bad.rs:13:36
+  --> $DIR/attr-stmt-expr-attr-bad.rs:14:36
    |
 LL | #[cfg(FALSE)] fn e() { let _ = 0 + #![attr] 0; }
    |                                    ^^^^^^^^
@@ -50,7 +59,7 @@ LL | #[cfg(FALSE)] fn e() { let _ = 0 + #![attr] 0; }
    = note: outer attributes, like `#[test]`, annotate the item following them
 
 error: an inner attribute is not permitted in this context
-  --> $DIR/attr-stmt-expr-attr-bad.rs:15:33
+  --> $DIR/attr-stmt-expr-attr-bad.rs:16:33
    |
 LL | #[cfg(FALSE)] fn e() { let _ = !#![attr] 0; }
    |                                 ^^^^^^^^
@@ -59,7 +68,7 @@ LL | #[cfg(FALSE)] fn e() { let _ = !#![attr] 0; }
    = note: outer attributes, like `#[test]`, annotate the item following them
 
 error: an inner attribute is not permitted in this context
-  --> $DIR/attr-stmt-expr-attr-bad.rs:17:33
+  --> $DIR/attr-stmt-expr-attr-bad.rs:18:33
    |
 LL | #[cfg(FALSE)] fn e() { let _ = -#![attr] 0; }
    |                                 ^^^^^^^^
@@ -68,13 +77,13 @@ LL | #[cfg(FALSE)] fn e() { let _ = -#![attr] 0; }
    = note: outer attributes, like `#[test]`, annotate the item following them
 
 error: expected one of `!`, `.`, `::`, `;`, `?`, `else`, `{`, or an operator, found `#`
-  --> $DIR/attr-stmt-expr-attr-bad.rs:19:34
+  --> $DIR/attr-stmt-expr-attr-bad.rs:20:34
    |
 LL | #[cfg(FALSE)] fn e() { let _ = x #![attr] as Y; }
    |                                  ^ expected one of 8 possible tokens
 
 error: an inner attribute is not permitted in this context
-  --> $DIR/attr-stmt-expr-attr-bad.rs:21:35
+  --> $DIR/attr-stmt-expr-attr-bad.rs:22:35
    |
 LL | #[cfg(FALSE)] fn e() { let _ = || #![attr] foo; }
    |                                   ^^^^^^^^
@@ -83,7 +92,7 @@ LL | #[cfg(FALSE)] fn e() { let _ = || #![attr] foo; }
    = note: outer attributes, like `#[test]`, annotate the item following them
 
 error: an inner attribute is not permitted in this context
-  --> $DIR/attr-stmt-expr-attr-bad.rs:23:40
+  --> $DIR/attr-stmt-expr-attr-bad.rs:24:40
    |
 LL | #[cfg(FALSE)] fn e() { let _ = move || #![attr] foo; }
    |                                        ^^^^^^^^
@@ -92,7 +101,7 @@ LL | #[cfg(FALSE)] fn e() { let _ = move || #![attr] foo; }
    = note: outer attributes, like `#[test]`, annotate the item following them
 
 error: an inner attribute is not permitted in this context
-  --> $DIR/attr-stmt-expr-attr-bad.rs:25:35
+  --> $DIR/attr-stmt-expr-attr-bad.rs:26:35
    |
 LL | #[cfg(FALSE)] fn e() { let _ = || #![attr] {foo}; }
    |                                   ^^^^^^^^
@@ -101,7 +110,7 @@ LL | #[cfg(FALSE)] fn e() { let _ = || #![attr] {foo}; }
    = note: outer attributes, like `#[test]`, annotate the item following them
 
 error: an inner attribute is not permitted in this context
-  --> $DIR/attr-stmt-expr-attr-bad.rs:27:40
+  --> $DIR/attr-stmt-expr-attr-bad.rs:28:40
    |
 LL | #[cfg(FALSE)] fn e() { let _ = move || #![attr] {foo}; }
    |                                        ^^^^^^^^
@@ -110,19 +119,19 @@ LL | #[cfg(FALSE)] fn e() { let _ = move || #![attr] {foo}; }
    = note: outer attributes, like `#[test]`, annotate the item following them
 
 error: expected expression, found `..`
-  --> $DIR/attr-stmt-expr-attr-bad.rs:29:40
+  --> $DIR/attr-stmt-expr-attr-bad.rs:30:40
    |
 LL | #[cfg(FALSE)] fn e() { let _ = #[attr] ..#[attr] 0; }
    |                                        ^^ expected expression
 
 error: expected expression, found `..`
-  --> $DIR/attr-stmt-expr-attr-bad.rs:31:40
+  --> $DIR/attr-stmt-expr-attr-bad.rs:32:40
    |
 LL | #[cfg(FALSE)] fn e() { let _ = #[attr] ..; }
    |                                        ^^ expected expression
 
 error: an inner attribute is not permitted in this context
-  --> $DIR/attr-stmt-expr-attr-bad.rs:33:41
+  --> $DIR/attr-stmt-expr-attr-bad.rs:34:41
    |
 LL | #[cfg(FALSE)] fn e() { let _ = #[attr] &#![attr] 0; }
    |                                         ^^^^^^^^
@@ -131,7 +140,7 @@ LL | #[cfg(FALSE)] fn e() { let _ = #[attr] &#![attr] 0; }
    = note: outer attributes, like `#[test]`, annotate the item following them
 
 error: an inner attribute is not permitted in this context
-  --> $DIR/attr-stmt-expr-attr-bad.rs:35:45
+  --> $DIR/attr-stmt-expr-attr-bad.rs:36:45
    |
 LL | #[cfg(FALSE)] fn e() { let _ = #[attr] &mut #![attr] 0; }
    |                                             ^^^^^^^^
@@ -140,7 +149,7 @@ LL | #[cfg(FALSE)] fn e() { let _ = #[attr] &mut #![attr] 0; }
    = note: outer attributes, like `#[test]`, annotate the item following them
 
 error: outer attributes are not allowed on `if` and `else` branches
-  --> $DIR/attr-stmt-expr-attr-bad.rs:37:37
+  --> $DIR/attr-stmt-expr-attr-bad.rs:38:37
    |
 LL | #[cfg(FALSE)] fn e() { let _ = if 0 #[attr] {}; }
    |                                --   ^^^^^^^ -- the attributes are attached to this branch
@@ -149,7 +158,7 @@ LL | #[cfg(FALSE)] fn e() { let _ = if 0 #[attr] {}; }
    |                                the branch belongs to this `if`
 
 error: an inner attribute is not permitted in this context
-  --> $DIR/attr-stmt-expr-attr-bad.rs:39:38
+  --> $DIR/attr-stmt-expr-attr-bad.rs:40:38
    |
 LL | #[cfg(FALSE)] fn e() { let _ = if 0 {#![attr]}; }
    |                                      ^^^^^^^^
@@ -158,13 +167,13 @@ LL | #[cfg(FALSE)] fn e() { let _ = if 0 {#![attr]}; }
    = note: outer attributes, like `#[test]`, annotate the item following them
 
 error: expected one of `.`, `;`, `?`, `else`, or an operator, found `#`
-  --> $DIR/attr-stmt-expr-attr-bad.rs:41:40
+  --> $DIR/attr-stmt-expr-attr-bad.rs:42:40
    |
 LL | #[cfg(FALSE)] fn e() { let _ = if 0 {} #[attr] else {}; }
    |                                        ^ expected one of `.`, `;`, `?`, `else`, or an operator
 
 error: outer attributes are not allowed on `if` and `else` branches
-  --> $DIR/attr-stmt-expr-attr-bad.rs:43:45
+  --> $DIR/attr-stmt-expr-attr-bad.rs:44:45
    |
 LL | #[cfg(FALSE)] fn e() { let _ = if 0 {} else #[attr] {}; }
    |                                        ---- ^^^^^^^ -- the attributes are attached to this branch
@@ -173,7 +182,7 @@ LL | #[cfg(FALSE)] fn e() { let _ = if 0 {} else #[attr] {}; }
    |                                        the branch belongs to this `else`
 
 error: an inner attribute is not permitted in this context
-  --> $DIR/attr-stmt-expr-attr-bad.rs:45:46
+  --> $DIR/attr-stmt-expr-attr-bad.rs:46:46
    |
 LL | #[cfg(FALSE)] fn e() { let _ = if 0 {} else {#![attr]}; }
    |                                              ^^^^^^^^
@@ -182,7 +191,7 @@ LL | #[cfg(FALSE)] fn e() { let _ = if 0 {} else {#![attr]}; }
    = note: outer attributes, like `#[test]`, annotate the item following them
 
 error: outer attributes are not allowed on `if` and `else` branches
-  --> $DIR/attr-stmt-expr-attr-bad.rs:47:45
+  --> $DIR/attr-stmt-expr-attr-bad.rs:48:45
    |
 LL | #[cfg(FALSE)] fn e() { let _ = if 0 {} else #[attr] if 0 {}; }
    |                                        ---- ^^^^^^^ ------- the attributes are attached to this branch
@@ -191,7 +200,7 @@ LL | #[cfg(FALSE)] fn e() { let _ = if 0 {} else #[attr] if 0 {}; }
    |                                        the branch belongs to this `else`
 
 error: outer attributes are not allowed on `if` and `else` branches
-  --> $DIR/attr-stmt-expr-attr-bad.rs:49:50
+  --> $DIR/attr-stmt-expr-attr-bad.rs:50:50
    |
 LL | #[cfg(FALSE)] fn e() { let _ = if 0 {} else if 0 #[attr] {}; }
    |                                             --   ^^^^^^^ -- the attributes are attached to this branch
@@ -200,7 +209,7 @@ LL | #[cfg(FALSE)] fn e() { let _ = if 0 {} else if 0 #[attr] {}; }
    |                                             the branch belongs to this `if`
 
 error: an inner attribute is not permitted in this context
-  --> $DIR/attr-stmt-expr-attr-bad.rs:51:51
+  --> $DIR/attr-stmt-expr-attr-bad.rs:52:51
    |
 LL | #[cfg(FALSE)] fn e() { let _ = if 0 {} else if 0 {#![attr]}; }
    |                                                   ^^^^^^^^
@@ -209,7 +218,7 @@ LL | #[cfg(FALSE)] fn e() { let _ = if 0 {} else if 0 {#![attr]}; }
    = note: outer attributes, like `#[test]`, annotate the item following them
 
 error: outer attributes are not allowed on `if` and `else` branches
-  --> $DIR/attr-stmt-expr-attr-bad.rs:53:45
+  --> $DIR/attr-stmt-expr-attr-bad.rs:54:45
    |
 LL | #[cfg(FALSE)] fn e() { let _ = if let _ = 0 #[attr] {}; }
    |                                --           ^^^^^^^ -- the attributes are attached to this branch
@@ -218,7 +227,7 @@ LL | #[cfg(FALSE)] fn e() { let _ = if let _ = 0 #[attr] {}; }
    |                                the branch belongs to this `if`
 
 error: an inner attribute is not permitted in this context
-  --> $DIR/attr-stmt-expr-attr-bad.rs:55:46
+  --> $DIR/attr-stmt-expr-attr-bad.rs:56:46
    |
 LL | #[cfg(FALSE)] fn e() { let _ = if let _ = 0 {#![attr]}; }
    |                                              ^^^^^^^^
@@ -227,13 +236,13 @@ LL | #[cfg(FALSE)] fn e() { let _ = if let _ = 0 {#![attr]}; }
    = note: outer attributes, like `#[test]`, annotate the item following them
 
 error: expected one of `.`, `;`, `?`, `else`, or an operator, found `#`
-  --> $DIR/attr-stmt-expr-attr-bad.rs:57:48
+  --> $DIR/attr-stmt-expr-attr-bad.rs:58:48
    |
 LL | #[cfg(FALSE)] fn e() { let _ = if let _ = 0 {} #[attr] else {}; }
    |                                                ^ expected one of `.`, `;`, `?`, `else`, or an operator
 
 error: outer attributes are not allowed on `if` and `else` branches
-  --> $DIR/attr-stmt-expr-attr-bad.rs:59:53
+  --> $DIR/attr-stmt-expr-attr-bad.rs:60:53
    |
 LL | #[cfg(FALSE)] fn e() { let _ = if let _ = 0 {} else #[attr] {}; }
    |                                                ---- ^^^^^^^ -- the attributes are attached to this branch
@@ -242,7 +251,7 @@ LL | #[cfg(FALSE)] fn e() { let _ = if let _ = 0 {} else #[attr] {}; }
    |                                                the branch belongs to this `else`
 
 error: an inner attribute is not permitted in this context
-  --> $DIR/attr-stmt-expr-attr-bad.rs:61:54
+  --> $DIR/attr-stmt-expr-attr-bad.rs:62:54
    |
 LL | #[cfg(FALSE)] fn e() { let _ = if let _ = 0 {} else {#![attr]}; }
    |                                                      ^^^^^^^^
@@ -251,7 +260,7 @@ LL | #[cfg(FALSE)] fn e() { let _ = if let _ = 0 {} else {#![attr]}; }
    = note: outer attributes, like `#[test]`, annotate the item following them
 
 error: outer attributes are not allowed on `if` and `else` branches
-  --> $DIR/attr-stmt-expr-attr-bad.rs:63:53
+  --> $DIR/attr-stmt-expr-attr-bad.rs:64:53
    |
 LL | #[cfg(FALSE)] fn e() { let _ = if let _ = 0 {} else #[attr] if let _ = 0 {}; }
    |                                                ---- ^^^^^^^ --------------- the attributes are attached to this branch
@@ -260,7 +269,7 @@ LL | #[cfg(FALSE)] fn e() { let _ = if let _ = 0 {} else #[attr] if let _ = 0 {}
    |                                                the branch belongs to this `else`
 
 error: outer attributes are not allowed on `if` and `else` branches
-  --> $DIR/attr-stmt-expr-attr-bad.rs:65:66
+  --> $DIR/attr-stmt-expr-attr-bad.rs:66:66
    |
 LL | #[cfg(FALSE)] fn e() { let _ = if let _ = 0 {} else if let _ = 0 #[attr] {}; }
    |                                                     --           ^^^^^^^ -- the attributes are attached to this branch
@@ -269,7 +278,7 @@ LL | #[cfg(FALSE)] fn e() { let _ = if let _ = 0 {} else if let _ = 0 #[attr] {}
    |                                                     the branch belongs to this `if`
 
 error: an inner attribute is not permitted in this context
-  --> $DIR/attr-stmt-expr-attr-bad.rs:67:67
+  --> $DIR/attr-stmt-expr-attr-bad.rs:68:67
    |
 LL | #[cfg(FALSE)] fn e() { let _ = if let _ = 0 {} else if let _ = 0 {#![attr]}; }
    |                                                                   ^^^^^^^^
@@ -278,7 +287,7 @@ LL | #[cfg(FALSE)] fn e() { let _ = if let _ = 0 {} else if let _ = 0 {#![attr]}
    = note: outer attributes, like `#[test]`, annotate the item following them
 
 error: an inner attribute is not permitted following an outer attribute
-  --> $DIR/attr-stmt-expr-attr-bad.rs:70:32
+  --> $DIR/attr-stmt-expr-attr-bad.rs:71:32
    |
 LL | #[cfg(FALSE)] fn s() { #[attr] #![attr] let _ = 0; }
    |                        ------- ^^^^^^^^ not permitted following an outer attribute
@@ -289,7 +298,7 @@ LL | #[cfg(FALSE)] fn s() { #[attr] #![attr] let _ = 0; }
    = note: outer attributes, like `#[test]`, annotate the item following them
 
 error: an inner attribute is not permitted following an outer attribute
-  --> $DIR/attr-stmt-expr-attr-bad.rs:72:32
+  --> $DIR/attr-stmt-expr-attr-bad.rs:73:32
    |
 LL | #[cfg(FALSE)] fn s() { #[attr] #![attr] 0; }
    |                        ------- ^^^^^^^^ not permitted following an outer attribute
@@ -300,7 +309,7 @@ LL | #[cfg(FALSE)] fn s() { #[attr] #![attr] 0; }
    = note: outer attributes, like `#[test]`, annotate the item following them
 
 error: an inner attribute is not permitted following an outer attribute
-  --> $DIR/attr-stmt-expr-attr-bad.rs:74:32
+  --> $DIR/attr-stmt-expr-attr-bad.rs:75:32
    |
 LL | #[cfg(FALSE)] fn s() { #[attr] #![attr] foo!(); }
    |                        ------- ^^^^^^^^ ------- the inner attribute doesn't annotate this item macro invocation
@@ -316,7 +325,7 @@ LL + #[cfg(FALSE)] fn s() { #[attr] #[attr] foo!(); }
    |
 
 error: an inner attribute is not permitted following an outer attribute
-  --> $DIR/attr-stmt-expr-attr-bad.rs:76:32
+  --> $DIR/attr-stmt-expr-attr-bad.rs:77:32
    |
 LL | #[cfg(FALSE)] fn s() { #[attr] #![attr] foo![]; }
    |                        ------- ^^^^^^^^ ------- the inner attribute doesn't annotate this item macro invocation
@@ -332,7 +341,7 @@ LL + #[cfg(FALSE)] fn s() { #[attr] #[attr] foo![]; }
    |
 
 error: an inner attribute is not permitted following an outer attribute
-  --> $DIR/attr-stmt-expr-attr-bad.rs:78:32
+  --> $DIR/attr-stmt-expr-attr-bad.rs:79:32
    |
 LL | #[cfg(FALSE)] fn s() { #[attr] #![attr] foo!{}; }
    |                        ------- ^^^^^^^^ ------ the inner attribute doesn't annotate this item macro invocation
@@ -348,7 +357,7 @@ LL + #[cfg(FALSE)] fn s() { #[attr] #[attr] foo!{}; }
    |
 
 error[E0586]: inclusive range with no end
-  --> $DIR/attr-stmt-expr-attr-bad.rs:84:35
+  --> $DIR/attr-stmt-expr-attr-bad.rs:85:35
    |
 LL | #[cfg(FALSE)] fn e() { match 0 { 0..=#[attr] 10 => () } }
    |                                   ^^^ help: use `..` instead
@@ -356,13 +365,13 @@ LL | #[cfg(FALSE)] fn e() { match 0 { 0..=#[attr] 10 => () } }
    = note: inclusive ranges must be bounded at the end (`..=b` or `a..=b`)
 
 error: expected one of `=>`, `if`, or `|`, found `#`
-  --> $DIR/attr-stmt-expr-attr-bad.rs:84:38
+  --> $DIR/attr-stmt-expr-attr-bad.rs:85:38
    |
 LL | #[cfg(FALSE)] fn e() { match 0 { 0..=#[attr] 10 => () } }
    |                                      ^ expected one of `=>`, `if`, or `|`
 
 error[E0586]: inclusive range with no end
-  --> $DIR/attr-stmt-expr-attr-bad.rs:87:35
+  --> $DIR/attr-stmt-expr-attr-bad.rs:88:35
    |
 LL | #[cfg(FALSE)] fn e() { match 0 { 0..=#[attr] -10 => () } }
    |                                   ^^^ help: use `..` instead
@@ -370,19 +379,19 @@ LL | #[cfg(FALSE)] fn e() { match 0 { 0..=#[attr] -10 => () } }
    = note: inclusive ranges must be bounded at the end (`..=b` or `a..=b`)
 
 error: expected one of `=>`, `if`, or `|`, found `#`
-  --> $DIR/attr-stmt-expr-attr-bad.rs:87:38
+  --> $DIR/attr-stmt-expr-attr-bad.rs:88:38
    |
 LL | #[cfg(FALSE)] fn e() { match 0 { 0..=#[attr] -10 => () } }
    |                                      ^ expected one of `=>`, `if`, or `|`
 
 error: unexpected token: `#`
-  --> $DIR/attr-stmt-expr-attr-bad.rs:90:39
+  --> $DIR/attr-stmt-expr-attr-bad.rs:91:39
    |
 LL | #[cfg(FALSE)] fn e() { match 0 { 0..=-#[attr] 10 => () } }
    |                                       ^
 
 error[E0586]: inclusive range with no end
-  --> $DIR/attr-stmt-expr-attr-bad.rs:92:35
+  --> $DIR/attr-stmt-expr-attr-bad.rs:93:35
    |
 LL | #[cfg(FALSE)] fn e() { match 0 { 0..=#[attr] FOO => () } }
    |                                   ^^^ help: use `..` instead
@@ -390,47 +399,47 @@ LL | #[cfg(FALSE)] fn e() { match 0 { 0..=#[attr] FOO => () } }
    = note: inclusive ranges must be bounded at the end (`..=b` or `a..=b`)
 
 error: expected one of `=>`, `if`, or `|`, found `#`
-  --> $DIR/attr-stmt-expr-attr-bad.rs:92:38
+  --> $DIR/attr-stmt-expr-attr-bad.rs:93:38
    |
 LL | #[cfg(FALSE)] fn e() { match 0 { 0..=#[attr] FOO => () } }
    |                                      ^ expected one of `=>`, `if`, or `|`
 
 error: unexpected token: `#`
-  --> $DIR/attr-stmt-expr-attr-bad.rs:96:34
+  --> $DIR/attr-stmt-expr-attr-bad.rs:97:34
    |
 LL | #[cfg(FALSE)] fn e() { let _ = x.#![attr]foo(); }
    |                                  ^
 
 error: expected one of `.`, `;`, `?`, `else`, or an operator, found `#`
-  --> $DIR/attr-stmt-expr-attr-bad.rs:96:34
+  --> $DIR/attr-stmt-expr-attr-bad.rs:97:34
    |
 LL | #[cfg(FALSE)] fn e() { let _ = x.#![attr]foo(); }
    |                                  ^ expected one of `.`, `;`, `?`, `else`, or an operator
 
 error: unexpected token: `#`
-  --> $DIR/attr-stmt-expr-attr-bad.rs:99:34
+  --> $DIR/attr-stmt-expr-attr-bad.rs:100:34
    |
 LL | #[cfg(FALSE)] fn e() { let _ = x.#[attr]foo(); }
    |                                  ^
 
 error: expected one of `.`, `;`, `?`, `else`, or an operator, found `#`
-  --> $DIR/attr-stmt-expr-attr-bad.rs:99:34
+  --> $DIR/attr-stmt-expr-attr-bad.rs:100:34
    |
 LL | #[cfg(FALSE)] fn e() { let _ = x.#[attr]foo(); }
    |                                  ^ expected one of `.`, `;`, `?`, `else`, or an operator
 
 error: expected statement after outer attribute
-  --> $DIR/attr-stmt-expr-attr-bad.rs:104:37
+  --> $DIR/attr-stmt-expr-attr-bad.rs:105:37
    |
 LL | #[cfg(FALSE)] fn e() { { fn foo() { #[attr]; } } }
    |                                     ^^^^^^^
 
 error: expected statement after outer attribute
-  --> $DIR/attr-stmt-expr-attr-bad.rs:106:37
+  --> $DIR/attr-stmt-expr-attr-bad.rs:107:37
    |
 LL | #[cfg(FALSE)] fn e() { { fn foo() { #[attr] } } }
    |                                     ^^^^^^^
 
-error: aborting due to 52 previous errors
+error: aborting due to 53 previous errors
 
 For more information about this error, try `rustc --explain E0586`.
diff --git a/tests/ui/parser/builtin-syntax.rs b/tests/ui/parser/builtin-syntax.rs
new file mode 100644
index 00000000000..897dab8ec50
--- /dev/null
+++ b/tests/ui/parser/builtin-syntax.rs
@@ -0,0 +1,9 @@
+#![feature(builtin_syntax)]
+
+fn main() {
+    builtin # foobar(); //~ ERROR unknown `builtin #` construct
+}
+
+fn not_identifier() {
+    builtin # {}(); //~ ERROR expected identifier after
+}
diff --git a/tests/ui/parser/builtin-syntax.stderr b/tests/ui/parser/builtin-syntax.stderr
new file mode 100644
index 00000000000..ee3764a6221
--- /dev/null
+++ b/tests/ui/parser/builtin-syntax.stderr
@@ -0,0 +1,14 @@
+error: unknown `builtin #` construct `foobar`
+  --> $DIR/builtin-syntax.rs:4:5
+   |
+LL |     builtin # foobar();
+   |     ^^^^^^^^^^^^^^^^
+
+error: expected identifier after `builtin #`
+  --> $DIR/builtin-syntax.rs:8:15
+   |
+LL |     builtin # {}();
+   |               ^
+
+error: aborting due to 2 previous errors
+
diff --git a/tests/ui/parser/dyn-trait-compatibility.stderr b/tests/ui/parser/dyn-trait-compatibility.stderr
index 653be5b3b71..e34d855a9d4 100644
--- a/tests/ui/parser/dyn-trait-compatibility.stderr
+++ b/tests/ui/parser/dyn-trait-compatibility.stderr
@@ -1,9 +1,3 @@
-error[E0433]: failed to resolve: use of undeclared crate or module `dyn`
-  --> $DIR/dyn-trait-compatibility.rs:3:11
-   |
-LL | type A1 = dyn::dyn;
-   |           ^^^ use of undeclared crate or module `dyn`
-
 error[E0412]: cannot find type `dyn` in this scope
   --> $DIR/dyn-trait-compatibility.rs:1:11
    |
@@ -46,6 +40,12 @@ error[E0412]: cannot find type `dyn` in this scope
 LL | type A3 = dyn<<dyn as dyn>::dyn>;
    |                ^^^ not found in this scope
 
+error[E0433]: failed to resolve: use of undeclared crate or module `dyn`
+  --> $DIR/dyn-trait-compatibility.rs:3:11
+   |
+LL | type A1 = dyn::dyn;
+   |           ^^^ use of undeclared crate or module `dyn`
+
 error: aborting due to 8 previous errors
 
 Some errors have detailed explanations: E0405, E0412, E0433.
diff --git a/tests/ui/parser/eq-less-to-less-eq.rs b/tests/ui/parser/eq-less-to-less-eq.rs
new file mode 100644
index 00000000000..23c6c59d7a6
--- /dev/null
+++ b/tests/ui/parser/eq-less-to-less-eq.rs
@@ -0,0 +1,33 @@
+fn foo() {
+    let a = 0;
+    let b = 4;
+    if a =< b { //~ERROR
+        println!("yay!");
+    }
+}
+
+fn bar() {
+    let a = 0;
+    let b = 4;
+    if a = <b { //~ERROR
+        println!("yay!");
+    }
+}
+
+fn baz() {
+    let a = 0;
+    let b = 4;
+    if a = < b { //~ERROR
+        println!("yay!");
+    }
+}
+
+fn qux() {
+    let a = 0;
+    let b = 4;
+    if a =< i32>::abs(-4) { //~ERROR: mismatched types
+        println!("yay!");
+    }
+}
+
+fn main() {}
diff --git a/tests/ui/parser/eq-less-to-less-eq.stderr b/tests/ui/parser/eq-less-to-less-eq.stderr
new file mode 100644
index 00000000000..4717d8287ff
--- /dev/null
+++ b/tests/ui/parser/eq-less-to-less-eq.stderr
@@ -0,0 +1,34 @@
+error: expected one of `!`, `(`, `+`, `::`, `<`, `>`, or `as`, found `{`
+  --> $DIR/eq-less-to-less-eq.rs:4:15
+   |
+LL |     if a =< b {
+   |          --   ^ expected one of 7 possible tokens
+   |          |
+   |          help: did you mean: `<=`
+
+error: expected one of `!`, `(`, `+`, `::`, `<`, `>`, or `as`, found `{`
+  --> $DIR/eq-less-to-less-eq.rs:12:15
+   |
+LL |     if a = <b {
+   |               ^ expected one of 7 possible tokens
+
+error: expected one of `!`, `(`, `+`, `::`, `<`, `>`, or `as`, found `{`
+  --> $DIR/eq-less-to-less-eq.rs:20:16
+   |
+LL |     if a = < b {
+   |                ^ expected one of 7 possible tokens
+
+error[E0308]: mismatched types
+  --> $DIR/eq-less-to-less-eq.rs:28:8
+   |
+LL |     if a =< i32>::abs(-4) {
+   |        ^^^^^^^^^^^^^^^^^^ expected `bool`, found `()`
+   |
+help: you might have meant to compare for equality
+   |
+LL |     if a ==< i32>::abs(-4) {
+   |           +
+
+error: aborting due to 4 previous errors
+
+For more information about this error, try `rustc --explain E0308`.
diff --git a/tests/ui/parser/impl-on-unsized-typo.rs b/tests/ui/parser/impl-on-unsized-typo.rs
new file mode 100644
index 00000000000..e09c0463045
--- /dev/null
+++ b/tests/ui/parser/impl-on-unsized-typo.rs
@@ -0,0 +1,6 @@
+trait Tr {}
+
+impl<T ?Sized> Tr for T {}
+//~^ ERROR expected one of `,`, `:`, `=`, or `>`, found `?`
+
+fn main() {}
diff --git a/tests/ui/parser/impl-on-unsized-typo.stderr b/tests/ui/parser/impl-on-unsized-typo.stderr
new file mode 100644
index 00000000000..23dcc1efd68
--- /dev/null
+++ b/tests/ui/parser/impl-on-unsized-typo.stderr
@@ -0,0 +1,8 @@
+error: expected one of `,`, `:`, `=`, or `>`, found `?`
+  --> $DIR/impl-on-unsized-typo.rs:3:8
+   |
+LL | impl<T ?Sized> Tr for T {}
+   |        ^ expected one of `,`, `:`, `=`, or `>`
+
+error: aborting due to previous error
+
diff --git a/tests/ui/parser/issues/issue-111416.rs b/tests/ui/parser/issues/issue-111416.rs
new file mode 100644
index 00000000000..cfd1b6b99ba
--- /dev/null
+++ b/tests/ui/parser/issues/issue-111416.rs
@@ -0,0 +1,3 @@
+fn main() {
+    let my = monad_bind(mx, T: Try); //~ ERROR invalid `struct` delimiters or `fn` call arguments
+}
diff --git a/tests/ui/parser/issues/issue-111416.stderr b/tests/ui/parser/issues/issue-111416.stderr
new file mode 100644
index 00000000000..ddacf4d6dfc
--- /dev/null
+++ b/tests/ui/parser/issues/issue-111416.stderr
@@ -0,0 +1,18 @@
+error: invalid `struct` delimiters or `fn` call arguments
+  --> $DIR/issue-111416.rs:2:14
+   |
+LL |     let my = monad_bind(mx, T: Try);
+   |              ^^^^^^^^^^^^^^^^^^^^^^
+   |
+help: if `monad_bind` is a struct, use braces as delimiters
+   |
+LL |     let my = monad_bind { mx, T: Try };
+   |                         ~            ~
+help: if `monad_bind` is a function, use the arguments directly
+   |
+LL -     let my = monad_bind(mx, T: Try);
+LL +     let my = monad_bind(mx, Try);
+   |
+
+error: aborting due to previous error
+
diff --git a/tests/ui/parser/issues/issue-33418.fixed b/tests/ui/parser/issues/issue-33418.fixed
deleted file mode 100644
index ed885ae1435..00000000000
--- a/tests/ui/parser/issues/issue-33418.fixed
+++ /dev/null
@@ -1,19 +0,0 @@
-// run-rustfix
-
-trait Tr {}
-//~^ ERROR negative bounds are not supported
-trait Tr2: SuperA {}
-//~^ ERROR negative bounds are not supported
-trait Tr3: SuperB {}
-//~^ ERROR negative bounds are not supported
-trait Tr4: SuperB + SuperD {}
-//~^ ERROR negative bounds are not supported
-trait Tr5 {}
-//~^ ERROR negative bounds are not supported
-
-trait SuperA {}
-trait SuperB {}
-trait SuperC {}
-trait SuperD {}
-
-fn main() {}
diff --git a/tests/ui/parser/issues/issue-33418.rs b/tests/ui/parser/issues/issue-33418.rs
index 9934284abfb..4ebd5871e53 100644
--- a/tests/ui/parser/issues/issue-33418.rs
+++ b/tests/ui/parser/issues/issue-33418.rs
@@ -1,5 +1,3 @@
-// run-rustfix
-
 trait Tr: !SuperA {}
 //~^ ERROR negative bounds are not supported
 trait Tr2: SuperA + !SuperB {}
@@ -7,10 +5,12 @@ trait Tr2: SuperA + !SuperB {}
 trait Tr3: !SuperA + SuperB {}
 //~^ ERROR negative bounds are not supported
 trait Tr4: !SuperA + SuperB
-    + !SuperC + SuperD {}
+//~^ ERROR negative bounds are not supported
++ !SuperC + SuperD {}
 //~^ ERROR negative bounds are not supported
 trait Tr5: !SuperA
-    + !SuperB {}
+//~^ ERROR negative bounds are not supported
++ !SuperB {}
 //~^ ERROR negative bounds are not supported
 
 trait SuperA {}
diff --git a/tests/ui/parser/issues/issue-33418.stderr b/tests/ui/parser/issues/issue-33418.stderr
index 9a8733e8929..b111bcfd240 100644
--- a/tests/ui/parser/issues/issue-33418.stderr
+++ b/tests/ui/parser/issues/issue-33418.stderr
@@ -1,36 +1,44 @@
 error: negative bounds are not supported
-  --> $DIR/issue-33418.rs:3:9
+  --> $DIR/issue-33418.rs:1:11
    |
 LL | trait Tr: !SuperA {}
-   |         ^^^^^^^^^ negative bounds are not supported
+   |           ^
 
 error: negative bounds are not supported
-  --> $DIR/issue-33418.rs:5:19
+  --> $DIR/issue-33418.rs:3:21
    |
 LL | trait Tr2: SuperA + !SuperB {}
-   |                   ^^^^^^^^^ negative bounds are not supported
+   |                     ^
 
 error: negative bounds are not supported
-  --> $DIR/issue-33418.rs:7:10
+  --> $DIR/issue-33418.rs:5:12
    |
 LL | trait Tr3: !SuperA + SuperB {}
-   |          ^^^^^^^^^ negative bounds are not supported
+   |            ^
 
 error: negative bounds are not supported
-  --> $DIR/issue-33418.rs:9:10
+  --> $DIR/issue-33418.rs:7:12
    |
 LL | trait Tr4: !SuperA + SuperB
-   |          ^^^^^^^^^
-LL |     + !SuperC + SuperD {}
-   |     ^^^^^^^^^ negative bounds are not supported
+   |            ^
 
 error: negative bounds are not supported
-  --> $DIR/issue-33418.rs:12:10
+  --> $DIR/issue-33418.rs:9:3
+   |
+LL | + !SuperC + SuperD {}
+   |   ^
+
+error: negative bounds are not supported
+  --> $DIR/issue-33418.rs:11:12
    |
 LL | trait Tr5: !SuperA
-   |          ^^^^^^^^^
-LL |     + !SuperB {}
-   |     ^^^^^^^^^ negative bounds are not supported
+   |            ^
+
+error: negative bounds are not supported
+  --> $DIR/issue-33418.rs:13:3
+   |
+LL | + !SuperB {}
+   |   ^
 
-error: aborting due to 5 previous errors
+error: aborting due to 7 previous errors
 
diff --git a/tests/ui/parser/issues/issue-35813-postfix-after-cast.rs b/tests/ui/parser/issues/issue-35813-postfix-after-cast.rs
index 7bd4b3a165c..3d110adef3e 100644
--- a/tests/ui/parser/issues/issue-35813-postfix-after-cast.rs
+++ b/tests/ui/parser/issues/issue-35813-postfix-after-cast.rs
@@ -10,14 +10,14 @@ pub fn index_after_as_cast() {
     vec![1, 2, 3] as Vec<i32>[0];
     //~^ ERROR: cast cannot be followed by indexing
     vec![1, 2, 3]: Vec<i32>[0];
-    //~^ ERROR: type ascription cannot be followed by indexing
+    //~^ ERROR: expected one of
 }
 
 pub fn index_after_cast_to_index() {
     (&[0]) as &[i32][0];
     //~^ ERROR: cast cannot be followed by indexing
     (&[0i32]): &[i32; 1][0];
-    //~^ ERROR: type ascription cannot be followed by indexing
+    //~^ ERROR: expected one of
 }
 
 pub fn cast_after_cast() {
@@ -25,7 +25,7 @@ pub fn cast_after_cast() {
 
     }
     if 5u64: u64: u64 == 0u64 {
-
+        //~^ ERROR expected `{`, found `:`
     }
     let _ = 5u64: u64: u64 as u8 as i8 == 9i8;
     let _ = 0i32: i32: i32;
@@ -36,26 +36,46 @@ pub fn cast_after_cast() {
 }
 
 pub fn cast_cast_method_call() {
-    let _ = 0i32: i32: i32.count_ones();
-    //~^ ERROR: type ascription cannot be followed by a method call
-    let _ = 0 as i32: i32.count_ones();
-    //~^ ERROR: type ascription cannot be followed by a method call
-    let _ = 0i32: i32 as i32.count_ones();
-    //~^ ERROR: cast cannot be followed by a method call
+    let _ = 0i32: i32: i32.count_ones(); //~ ERROR expected one of
+}
+
+pub fn cast_cast_method_call_2() {
+    let _ = 0 as i32: i32.count_ones(); //~ ERROR expected one of
+}
+
+pub fn cast_cast_method_call_3() {
+    let _ = 0i32: i32 as i32.count_ones(); //~ ERROR expected one of
+}
+
+pub fn cast_cast_method_call_4() {
     let _ = 0 as i32 as i32.count_ones();
     //~^ ERROR: cast cannot be followed by a method call
-    let _ = 0i32: i32: i32 as u32 as i32.count_ones();
-    //~^ ERROR: cast cannot be followed by a method call
-    let _ = 0i32: i32.count_ones(): u32;
-    //~^ ERROR: type ascription cannot be followed by a method call
-    let _ = 0 as i32.count_ones(): u32;
+}
+
+pub fn cast_cast_method_call_5() {
+    let _ = 0i32: i32: i32 as u32 as i32.count_ones(); //~ ERROR expected one of
+}
+
+pub fn cast_cast_method_call_6() {
+    let _ = 0i32: i32.count_ones(): u32; //~ ERROR expected one of
+}
+
+pub fn cast_cast_method_call_7() {
+    let _ = 0 as i32.count_ones(): u32; //~ ERROR expected one of
     //~^ ERROR: cast cannot be followed by a method call
-    let _ = 0i32: i32.count_ones() as u32;
-    //~^ ERROR: type ascription cannot be followed by a method call
+}
+
+pub fn cast_cast_method_call_8() {
+    let _ = 0i32: i32.count_ones() as u32; //~ ERROR expected one of
+}
+
+pub fn cast_cast_method_call_9() {
     let _ = 0 as i32.count_ones() as u32;
     //~^ ERROR: cast cannot be followed by a method call
-    let _ = 0i32: i32: i32.count_ones() as u32 as i32;
-    //~^ ERROR: type ascription cannot be followed by a method call
+}
+
+pub fn cast_cast_method_call_10() {
+    let _ = 0i32: i32: i32.count_ones() as u32 as i32; //~ ERROR expected one of
 }
 
 pub fn multiline_error() {
@@ -74,8 +94,7 @@ pub fn precedence() {
 pub fn method_calls() {
     0 as i32.max(0);
     //~^ ERROR: cast cannot be followed by a method call
-    0: i32.max(0);
-    //~^ ERROR: type ascription cannot be followed by a method call
+    0: i32.max(0); //~ ERROR expected one of
 }
 
 pub fn complex() {
@@ -84,7 +103,7 @@ pub fn complex() {
         if true { 33 } else { 44 } as i32.max(0),
         //~^ ERROR: cast cannot be followed by a method call
         if true { 33 } else { 44 }: i32.max(0)
-        //~^ ERROR: type ascription cannot be followed by a method call
+        //~^ ERROR: expected one of
     );
 }
 
@@ -93,7 +112,7 @@ pub fn in_condition() {
         //~^ ERROR: cast cannot be followed by a method call
     }
     if 5u64: u64.max(0) == 0 {
-        //~^ ERROR: type ascription cannot be followed by a method call
+        //~^ ERROR: expected `{`, found `:`
     }
 }
 
@@ -104,7 +123,7 @@ pub fn inside_block() {
     } else { false };
     let _ = if true {
         5u64: u64.max(0) == 0
-        //~^ ERROR: type ascription cannot be followed by a method call
+        //~^ ERROR: expected one of
     } else { false };
 }
 
@@ -112,14 +131,14 @@ static bar: &[i32] = &(&[1,2,3] as &[i32][0..1]);
 //~^ ERROR: cast cannot be followed by indexing
 
 static bar2: &[i32] = &(&[1i32,2,3]: &[i32; 3][0..1]);
-//~^ ERROR: type ascription cannot be followed by indexing
+//~^ ERROR: expected one of
 
 
 pub fn cast_then_try() -> Result<u64,u64> {
     Err(0u64) as Result<u64,u64>?;
     //~^ ERROR: cast cannot be followed by `?`
     Err(0u64): Result<u64,u64>?;
-    //~^ ERROR: type ascription cannot be followed by `?`
+    //~^ ERROR: expected one of
     Ok(1)
 }
 
@@ -131,13 +150,14 @@ pub fn cast_then_call() {
     drop as F();
     //~^ ERROR: parenthesized type parameters may only be used with a `Fn` trait [E0214]
     drop_ptr: F();
-    //~^ ERROR: parenthesized type parameters may only be used with a `Fn` trait [E0214]
+    //~^ ERROR: expected identifier, found `:`
 }
 
 pub fn cast_to_fn_should_work() {
     let drop_ptr = drop as fn(u8);
     drop as fn(u8);
     drop_ptr: fn(u8);
+    //~^ ERROR expected one of
 }
 
 pub fn parens_after_cast_error() {
@@ -145,7 +165,7 @@ pub fn parens_after_cast_error() {
     drop as fn(u8)(0);
     //~^ ERROR: cast cannot be followed by a function call
     drop_ptr: fn(u8)(0);
-    //~^ ERROR: type ascription cannot be followed by a function call
+    //~^ ERROR: expected one of
 }
 
 pub async fn cast_then_await() {
@@ -153,7 +173,7 @@ pub async fn cast_then_await() {
     //~^ ERROR: cast cannot be followed by `.await`
 
     Box::pin(noop()): Pin<Box<_>>.await;
-    //~^ ERROR: type ascription cannot be followed by `.await`
+    //~^ ERROR: expected one of
 }
 
 pub async fn noop() {}
@@ -167,5 +187,5 @@ pub fn struct_field() {
     Foo::default() as Foo.bar;
     //~^ ERROR: cannot be followed by a field access
     Foo::default(): Foo.bar;
-    //~^ ERROR: type ascription cannot be followed by a field access
+    //~^ ERROR expected one of
 }
diff --git a/tests/ui/parser/issues/issue-35813-postfix-after-cast.stderr b/tests/ui/parser/issues/issue-35813-postfix-after-cast.stderr
index 0c328bde285..d313c888e51 100644
--- a/tests/ui/parser/issues/issue-35813-postfix-after-cast.stderr
+++ b/tests/ui/parser/issues/issue-35813-postfix-after-cast.stderr
@@ -9,21 +9,11 @@ help: try surrounding the expression in parentheses
 LL |     (vec![1, 2, 3] as Vec<i32>)[0];
    |     +                         +
 
-error: type ascription cannot be followed by indexing
-  --> $DIR/issue-35813-postfix-after-cast.rs:12:5
+error: expected one of `.`, `;`, `?`, `}`, or an operator, found `:`
+  --> $DIR/issue-35813-postfix-after-cast.rs:12:18
    |
 LL |     vec![1, 2, 3]: Vec<i32>[0];
-   |     ^^^^^^^^^^^^^^^^^^^^^^^
-   |
-help: try surrounding the expression in parentheses
-   |
-LL |     (vec![1, 2, 3]: Vec<i32>)[0];
-   |     +                       +
-help: alternatively, remove the type ascription
-   |
-LL -     vec![1, 2, 3]: Vec<i32>[0];
-LL +     vec![1, 2, 3][0];
-   |
+   |                  ^ expected one of `.`, `;`, `?`, `}`, or an operator
 
 error: cast cannot be followed by indexing
   --> $DIR/issue-35813-postfix-after-cast.rs:17:5
@@ -36,67 +26,50 @@ help: try surrounding the expression in parentheses
 LL |     ((&[0]) as &[i32])[0];
    |     +                +
 
-error: type ascription cannot be followed by indexing
-  --> $DIR/issue-35813-postfix-after-cast.rs:19:5
+error: expected one of `.`, `;`, `?`, `}`, or an operator, found `:`
+  --> $DIR/issue-35813-postfix-after-cast.rs:19:14
    |
 LL |     (&[0i32]): &[i32; 1][0];
-   |     ^^^^^^^^^^^^^^^^^^^^
-   |
-help: try surrounding the expression in parentheses
+   |              ^ expected one of `.`, `;`, `?`, `}`, or an operator
+
+error: expected `{`, found `:`
+  --> $DIR/issue-35813-postfix-after-cast.rs:27:12
    |
-LL |     ((&[0i32]): &[i32; 1])[0];
-   |     +                    +
-help: alternatively, remove the type ascription
+LL |     if 5u64: u64: u64 == 0u64 {
+   |            ^ expected `{`
    |
-LL -     (&[0i32]): &[i32; 1][0];
-LL +     (&[0i32])[0];
+note: the `if` expression is missing a block after this condition
+  --> $DIR/issue-35813-postfix-after-cast.rs:27:8
    |
+LL |     if 5u64: u64: u64 == 0u64 {
+   |        ^^^^
 
-error: type ascription cannot be followed by a method call
-  --> $DIR/issue-35813-postfix-after-cast.rs:39:13
+error: expected one of `.`, `;`, `?`, `else`, or an operator, found `:`
+  --> $DIR/issue-35813-postfix-after-cast.rs:39:17
    |
 LL |     let _ = 0i32: i32: i32.count_ones();
-   |             ^^^^^^^^^^^^^^
-   |
-help: try surrounding the expression in parentheses
-   |
-LL |     let _ = (0i32: i32: i32).count_ones();
-   |             +              +
-help: alternatively, remove the type ascription
-   |
-LL -     let _ = 0i32: i32: i32.count_ones();
-LL +     let _ = 0i32: i32.count_ones();
+   |                 ^ expected one of `.`, `;`, `?`, `else`, or an operator
    |
+   = note: type ascription syntax has been removed, see issue #101728 <https://github.com/rust-lang/rust/issues/101728>
 
-error: type ascription cannot be followed by a method call
-  --> $DIR/issue-35813-postfix-after-cast.rs:41:13
+error: expected one of `!`, `(`, `.`, `::`, `;`, `<`, `?`, or `else`, found `:`
+  --> $DIR/issue-35813-postfix-after-cast.rs:43:21
    |
 LL |     let _ = 0 as i32: i32.count_ones();
-   |             ^^^^^^^^^^^^^
-   |
-help: try surrounding the expression in parentheses
-   |
-LL |     let _ = (0 as i32: i32).count_ones();
-   |             +             +
-help: alternatively, remove the type ascription
-   |
-LL -     let _ = 0 as i32: i32.count_ones();
-LL +     let _ = 0 as i32.count_ones();
+   |                     ^ expected one of 8 possible tokens
    |
+   = note: type ascription syntax has been removed, see issue #101728 <https://github.com/rust-lang/rust/issues/101728>
 
-error: cast cannot be followed by a method call
-  --> $DIR/issue-35813-postfix-after-cast.rs:43:13
+error: expected one of `.`, `;`, `?`, `else`, or an operator, found `:`
+  --> $DIR/issue-35813-postfix-after-cast.rs:47:17
    |
 LL |     let _ = 0i32: i32 as i32.count_ones();
-   |             ^^^^^^^^^^^^^^^^
+   |                 ^ expected one of `.`, `;`, `?`, `else`, or an operator
    |
-help: try surrounding the expression in parentheses
-   |
-LL |     let _ = (0i32: i32 as i32).count_ones();
-   |             +                +
+   = note: type ascription syntax has been removed, see issue #101728 <https://github.com/rust-lang/rust/issues/101728>
 
 error: cast cannot be followed by a method call
-  --> $DIR/issue-35813-postfix-after-cast.rs:45:13
+  --> $DIR/issue-35813-postfix-after-cast.rs:51:13
    |
 LL |     let _ = 0 as i32 as i32.count_ones();
    |             ^^^^^^^^^^^^^^^
@@ -106,35 +79,24 @@ help: try surrounding the expression in parentheses
 LL |     let _ = (0 as i32 as i32).count_ones();
    |             +               +
 
-error: cast cannot be followed by a method call
-  --> $DIR/issue-35813-postfix-after-cast.rs:47:13
+error: expected one of `.`, `;`, `?`, `else`, or an operator, found `:`
+  --> $DIR/issue-35813-postfix-after-cast.rs:56:17
    |
 LL |     let _ = 0i32: i32: i32 as u32 as i32.count_ones();
-   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-   |
-help: try surrounding the expression in parentheses
+   |                 ^ expected one of `.`, `;`, `?`, `else`, or an operator
    |
-LL |     let _ = (0i32: i32: i32 as u32 as i32).count_ones();
-   |             +                            +
+   = note: type ascription syntax has been removed, see issue #101728 <https://github.com/rust-lang/rust/issues/101728>
 
-error: type ascription cannot be followed by a method call
-  --> $DIR/issue-35813-postfix-after-cast.rs:49:13
+error: expected one of `.`, `;`, `?`, `else`, or an operator, found `:`
+  --> $DIR/issue-35813-postfix-after-cast.rs:60:17
    |
 LL |     let _ = 0i32: i32.count_ones(): u32;
-   |             ^^^^^^^^^
-   |
-help: try surrounding the expression in parentheses
-   |
-LL |     let _ = (0i32: i32).count_ones(): u32;
-   |             +         +
-help: alternatively, remove the type ascription
-   |
-LL -     let _ = 0i32: i32.count_ones(): u32;
-LL +     let _ = 0i32.count_ones(): u32;
+   |                 ^ expected one of `.`, `;`, `?`, `else`, or an operator
    |
+   = note: type ascription syntax has been removed, see issue #101728 <https://github.com/rust-lang/rust/issues/101728>
 
 error: cast cannot be followed by a method call
-  --> $DIR/issue-35813-postfix-after-cast.rs:51:13
+  --> $DIR/issue-35813-postfix-after-cast.rs:64:13
    |
 LL |     let _ = 0 as i32.count_ones(): u32;
    |             ^^^^^^^^
@@ -144,24 +106,24 @@ help: try surrounding the expression in parentheses
 LL |     let _ = (0 as i32).count_ones(): u32;
    |             +        +
 
-error: type ascription cannot be followed by a method call
-  --> $DIR/issue-35813-postfix-after-cast.rs:53:13
+error: expected one of `.`, `;`, `?`, or `else`, found `:`
+  --> $DIR/issue-35813-postfix-after-cast.rs:64:34
    |
-LL |     let _ = 0i32: i32.count_ones() as u32;
-   |             ^^^^^^^^^
-   |
-help: try surrounding the expression in parentheses
+LL |     let _ = 0 as i32.count_ones(): u32;
+   |                                  ^ expected one of `.`, `;`, `?`, or `else`
    |
-LL |     let _ = (0i32: i32).count_ones() as u32;
-   |             +         +
-help: alternatively, remove the type ascription
+   = note: type ascription syntax has been removed, see issue #101728 <https://github.com/rust-lang/rust/issues/101728>
+
+error: expected one of `.`, `;`, `?`, `else`, or an operator, found `:`
+  --> $DIR/issue-35813-postfix-after-cast.rs:69:17
    |
-LL -     let _ = 0i32: i32.count_ones() as u32;
-LL +     let _ = 0i32.count_ones() as u32;
+LL |     let _ = 0i32: i32.count_ones() as u32;
+   |                 ^ expected one of `.`, `;`, `?`, `else`, or an operator
    |
+   = note: type ascription syntax has been removed, see issue #101728 <https://github.com/rust-lang/rust/issues/101728>
 
 error: cast cannot be followed by a method call
-  --> $DIR/issue-35813-postfix-after-cast.rs:55:13
+  --> $DIR/issue-35813-postfix-after-cast.rs:73:13
    |
 LL |     let _ = 0 as i32.count_ones() as u32;
    |             ^^^^^^^^
@@ -171,24 +133,16 @@ help: try surrounding the expression in parentheses
 LL |     let _ = (0 as i32).count_ones() as u32;
    |             +        +
 
-error: type ascription cannot be followed by a method call
-  --> $DIR/issue-35813-postfix-after-cast.rs:57:13
+error: expected one of `.`, `;`, `?`, `else`, or an operator, found `:`
+  --> $DIR/issue-35813-postfix-after-cast.rs:78:17
    |
 LL |     let _ = 0i32: i32: i32.count_ones() as u32 as i32;
-   |             ^^^^^^^^^^^^^^
-   |
-help: try surrounding the expression in parentheses
-   |
-LL |     let _ = (0i32: i32: i32).count_ones() as u32 as i32;
-   |             +              +
-help: alternatively, remove the type ascription
-   |
-LL -     let _ = 0i32: i32: i32.count_ones() as u32 as i32;
-LL +     let _ = 0i32: i32.count_ones() as u32 as i32;
+   |                 ^ expected one of `.`, `;`, `?`, `else`, or an operator
    |
+   = note: type ascription syntax has been removed, see issue #101728 <https://github.com/rust-lang/rust/issues/101728>
 
 error: cast cannot be followed by a method call
-  --> $DIR/issue-35813-postfix-after-cast.rs:62:13
+  --> $DIR/issue-35813-postfix-after-cast.rs:82:13
    |
 LL |       let _ = 0
    |  _____________^
@@ -202,7 +156,7 @@ LL ~         as i32)
    |
 
 error: cast cannot be followed by indexing
-  --> $DIR/issue-35813-postfix-after-cast.rs:70:18
+  --> $DIR/issue-35813-postfix-after-cast.rs:90:18
    |
 LL |     let x: i32 = &vec![1, 2, 3] as &Vec<i32>[0];
    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -213,7 +167,7 @@ LL |     let x: i32 = (&vec![1, 2, 3] as &Vec<i32>)[0];
    |                  +                           +
 
 error: cast cannot be followed by a method call
-  --> $DIR/issue-35813-postfix-after-cast.rs:75:5
+  --> $DIR/issue-35813-postfix-after-cast.rs:95:5
    |
 LL |     0 as i32.max(0);
    |     ^^^^^^^^
@@ -223,24 +177,14 @@ help: try surrounding the expression in parentheses
 LL |     (0 as i32).max(0);
    |     +        +
 
-error: type ascription cannot be followed by a method call
-  --> $DIR/issue-35813-postfix-after-cast.rs:77:5
+error: expected one of `.`, `;`, `?`, `}`, or an operator, found `:`
+  --> $DIR/issue-35813-postfix-after-cast.rs:97:6
    |
 LL |     0: i32.max(0);
-   |     ^^^^^^
-   |
-help: try surrounding the expression in parentheses
-   |
-LL |     (0: i32).max(0);
-   |     +      +
-help: alternatively, remove the type ascription
-   |
-LL -     0: i32.max(0);
-LL +     0.max(0);
-   |
+   |      ^ expected one of `.`, `;`, `?`, `}`, or an operator
 
 error: cast cannot be followed by a method call
-  --> $DIR/issue-35813-postfix-after-cast.rs:92:8
+  --> $DIR/issue-35813-postfix-after-cast.rs:111:8
    |
 LL |     if 5u64 as i32.max(0) == 0 {
    |        ^^^^^^^^^^^
@@ -250,24 +194,20 @@ help: try surrounding the expression in parentheses
 LL |     if (5u64 as i32).max(0) == 0 {
    |        +           +
 
-error: type ascription cannot be followed by a method call
-  --> $DIR/issue-35813-postfix-after-cast.rs:95:8
+error: expected `{`, found `:`
+  --> $DIR/issue-35813-postfix-after-cast.rs:114:12
    |
 LL |     if 5u64: u64.max(0) == 0 {
-   |        ^^^^^^^^^
-   |
-help: try surrounding the expression in parentheses
-   |
-LL |     if (5u64: u64).max(0) == 0 {
-   |        +         +
-help: alternatively, remove the type ascription
+   |            ^ expected `{`
    |
-LL -     if 5u64: u64.max(0) == 0 {
-LL +     if 5u64.max(0) == 0 {
+note: the `if` expression is missing a block after this condition
+  --> $DIR/issue-35813-postfix-after-cast.rs:114:8
    |
+LL |     if 5u64: u64.max(0) == 0 {
+   |        ^^^^
 
 error: cast cannot be followed by a method call
-  --> $DIR/issue-35813-postfix-after-cast.rs:102:9
+  --> $DIR/issue-35813-postfix-after-cast.rs:121:9
    |
 LL |         5u64 as u32.max(0) == 0
    |         ^^^^^^^^^^^
@@ -277,24 +217,14 @@ help: try surrounding the expression in parentheses
 LL |         (5u64 as u32).max(0) == 0
    |         +           +
 
-error: type ascription cannot be followed by a method call
-  --> $DIR/issue-35813-postfix-after-cast.rs:106:9
+error: expected one of `.`, `;`, `?`, `}`, or an operator, found `:`
+  --> $DIR/issue-35813-postfix-after-cast.rs:125:13
    |
 LL |         5u64: u64.max(0) == 0
-   |         ^^^^^^^^^
-   |
-help: try surrounding the expression in parentheses
-   |
-LL |         (5u64: u64).max(0) == 0
-   |         +         +
-help: alternatively, remove the type ascription
-   |
-LL -         5u64: u64.max(0) == 0
-LL +         5u64.max(0) == 0
-   |
+   |             ^ expected one of `.`, `;`, `?`, `}`, or an operator
 
 error: cast cannot be followed by indexing
-  --> $DIR/issue-35813-postfix-after-cast.rs:111:24
+  --> $DIR/issue-35813-postfix-after-cast.rs:130:24
    |
 LL | static bar: &[i32] = &(&[1,2,3] as &[i32][0..1]);
    |                        ^^^^^^^^^^^^^^^^^^
@@ -304,24 +234,14 @@ help: try surrounding the expression in parentheses
 LL | static bar: &[i32] = &((&[1,2,3] as &[i32])[0..1]);
    |                        +                  +
 
-error: type ascription cannot be followed by indexing
-  --> $DIR/issue-35813-postfix-after-cast.rs:114:25
+error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
+  --> $DIR/issue-35813-postfix-after-cast.rs:133:36
    |
 LL | static bar2: &[i32] = &(&[1i32,2,3]: &[i32; 3][0..1]);
-   |                         ^^^^^^^^^^^^^^^^^^^^^^
-   |
-help: try surrounding the expression in parentheses
-   |
-LL | static bar2: &[i32] = &((&[1i32,2,3]: &[i32; 3])[0..1]);
-   |                         +                      +
-help: alternatively, remove the type ascription
-   |
-LL - static bar2: &[i32] = &(&[1i32,2,3]: &[i32; 3][0..1]);
-LL + static bar2: &[i32] = &(&[1i32,2,3][0..1]);
-   |
+   |                                    ^ expected one of `)`, `,`, `.`, `?`, or an operator
 
 error: cast cannot be followed by `?`
-  --> $DIR/issue-35813-postfix-after-cast.rs:119:5
+  --> $DIR/issue-35813-postfix-after-cast.rs:138:5
    |
 LL |     Err(0u64) as Result<u64,u64>?;
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -331,24 +251,28 @@ help: try surrounding the expression in parentheses
 LL |     (Err(0u64) as Result<u64,u64>)?;
    |     +                            +
 
-error: type ascription cannot be followed by `?`
-  --> $DIR/issue-35813-postfix-after-cast.rs:121:5
+error: expected one of `.`, `;`, `?`, `}`, or an operator, found `:`
+  --> $DIR/issue-35813-postfix-after-cast.rs:140:14
    |
 LL |     Err(0u64): Result<u64,u64>?;
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
-   |
-help: try surrounding the expression in parentheses
+   |              ^ expected one of `.`, `;`, `?`, `}`, or an operator
+
+error: expected identifier, found `:`
+  --> $DIR/issue-35813-postfix-after-cast.rs:152:13
    |
-LL |     (Err(0u64): Result<u64,u64>)?;
-   |     +                          +
-help: alternatively, remove the type ascription
+LL |     drop_ptr: F();
+   |             ^ expected identifier
    |
-LL -     Err(0u64): Result<u64,u64>?;
-LL +     Err(0u64)?;
+   = note: type ascription syntax has been removed, see issue #101728 <https://github.com/rust-lang/rust/issues/101728>
+
+error: expected one of `!`, `.`, `::`, `;`, `?`, `{`, `}`, or an operator, found `:`
+  --> $DIR/issue-35813-postfix-after-cast.rs:159:13
    |
+LL |     drop_ptr: fn(u8);
+   |             ^ expected one of 8 possible tokens
 
 error: cast cannot be followed by a function call
-  --> $DIR/issue-35813-postfix-after-cast.rs:145:5
+  --> $DIR/issue-35813-postfix-after-cast.rs:165:5
    |
 LL |     drop as fn(u8)(0);
    |     ^^^^^^^^^^^^^^
@@ -358,24 +282,14 @@ help: try surrounding the expression in parentheses
 LL |     (drop as fn(u8))(0);
    |     +              +
 
-error: type ascription cannot be followed by a function call
-  --> $DIR/issue-35813-postfix-after-cast.rs:147:5
+error: expected one of `!`, `.`, `::`, `;`, `?`, `{`, `}`, or an operator, found `:`
+  --> $DIR/issue-35813-postfix-after-cast.rs:167:13
    |
 LL |     drop_ptr: fn(u8)(0);
-   |     ^^^^^^^^^^^^^^^^
-   |
-help: try surrounding the expression in parentheses
-   |
-LL |     (drop_ptr: fn(u8))(0);
-   |     +                +
-help: alternatively, remove the type ascription
-   |
-LL -     drop_ptr: fn(u8)(0);
-LL +     drop_ptr(0);
-   |
+   |             ^ expected one of 8 possible tokens
 
 error: cast cannot be followed by `.await`
-  --> $DIR/issue-35813-postfix-after-cast.rs:152:5
+  --> $DIR/issue-35813-postfix-after-cast.rs:172:5
    |
 LL |     Box::pin(noop()) as Pin<Box<dyn Future<Output = ()>>>.await;
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -385,24 +299,14 @@ help: try surrounding the expression in parentheses
 LL |     (Box::pin(noop()) as Pin<Box<dyn Future<Output = ()>>>).await;
    |     +                                                     +
 
-error: type ascription cannot be followed by `.await`
-  --> $DIR/issue-35813-postfix-after-cast.rs:155:5
+error: expected one of `.`, `;`, `?`, `}`, or an operator, found `:`
+  --> $DIR/issue-35813-postfix-after-cast.rs:175:21
    |
 LL |     Box::pin(noop()): Pin<Box<_>>.await;
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-   |
-help: try surrounding the expression in parentheses
-   |
-LL |     (Box::pin(noop()): Pin<Box<_>>).await;
-   |     +                             +
-help: alternatively, remove the type ascription
-   |
-LL -     Box::pin(noop()): Pin<Box<_>>.await;
-LL +     Box::pin(noop()).await;
-   |
+   |                     ^ expected one of `.`, `;`, `?`, `}`, or an operator
 
 error: cast cannot be followed by a field access
-  --> $DIR/issue-35813-postfix-after-cast.rs:167:5
+  --> $DIR/issue-35813-postfix-after-cast.rs:187:5
    |
 LL |     Foo::default() as Foo.bar;
    |     ^^^^^^^^^^^^^^^^^^^^^
@@ -412,24 +316,14 @@ help: try surrounding the expression in parentheses
 LL |     (Foo::default() as Foo).bar;
    |     +                     +
 
-error: type ascription cannot be followed by a field access
-  --> $DIR/issue-35813-postfix-after-cast.rs:169:5
+error: expected one of `.`, `;`, `?`, `}`, or an operator, found `:`
+  --> $DIR/issue-35813-postfix-after-cast.rs:189:19
    |
 LL |     Foo::default(): Foo.bar;
-   |     ^^^^^^^^^^^^^^^^^^^
-   |
-help: try surrounding the expression in parentheses
-   |
-LL |     (Foo::default(): Foo).bar;
-   |     +                   +
-help: alternatively, remove the type ascription
-   |
-LL -     Foo::default(): Foo.bar;
-LL +     Foo::default().bar;
-   |
+   |                   ^ expected one of `.`, `;`, `?`, `}`, or an operator
 
 error: cast cannot be followed by a method call
-  --> $DIR/issue-35813-postfix-after-cast.rs:84:9
+  --> $DIR/issue-35813-postfix-after-cast.rs:103:9
    |
 LL |         if true { 33 } else { 44 } as i32.max(0),
    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -439,34 +333,18 @@ help: try surrounding the expression in parentheses
 LL |         (if true { 33 } else { 44 } as i32).max(0),
    |         +                                 +
 
-error: type ascription cannot be followed by a method call
-  --> $DIR/issue-35813-postfix-after-cast.rs:86:9
+error: expected one of `,`, `.`, `?`, or an operator, found `:`
+  --> $DIR/issue-35813-postfix-after-cast.rs:105:35
    |
 LL |         if true { 33 } else { 44 }: i32.max(0)
-   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-   |
-help: try surrounding the expression in parentheses
-   |
-LL |         (if true { 33 } else { 44 }: i32).max(0)
-   |         +                               +
-help: alternatively, remove the type ascription
-   |
-LL -         if true { 33 } else { 44 }: i32.max(0)
-LL +         if true { 33 } else { 44 }.max(0)
-   |
+   |                                   ^ expected one of `,`, `.`, `?`, or an operator
 
 error[E0214]: parenthesized type parameters may only be used with a `Fn` trait
-  --> $DIR/issue-35813-postfix-after-cast.rs:131:13
+  --> $DIR/issue-35813-postfix-after-cast.rs:150:13
    |
 LL |     drop as F();
    |             ^^^ only `Fn` traits may use parentheses
 
-error[E0214]: parenthesized type parameters may only be used with a `Fn` trait
-  --> $DIR/issue-35813-postfix-after-cast.rs:133:15
-   |
-LL |     drop_ptr: F();
-   |               ^^^ only `Fn` traits may use parentheses
-
-error: aborting due to 36 previous errors
+error: aborting due to 39 previous errors
 
 For more information about this error, try `rustc --explain E0214`.
diff --git a/tests/ui/parser/issues/issue-44406.rs b/tests/ui/parser/issues/issue-44406.rs
index a5b7e83a016..6719e582848 100644
--- a/tests/ui/parser/issues/issue-44406.rs
+++ b/tests/ui/parser/issues/issue-44406.rs
@@ -6,5 +6,4 @@ macro_rules! foo {
 
 fn main() {
     foo!(true);
-    //~^ ERROR expected identifier, found keyword
 }
diff --git a/tests/ui/parser/issues/issue-44406.stderr b/tests/ui/parser/issues/issue-44406.stderr
index de02ea85b27..69ff64c2772 100644
--- a/tests/ui/parser/issues/issue-44406.stderr
+++ b/tests/ui/parser/issues/issue-44406.stderr
@@ -1,14 +1,3 @@
-error: expected identifier, found keyword `true`
-  --> $DIR/issue-44406.rs:8:10
-   |
-LL |     foo!(true);
-   |          ^^^^ expected identifier, found keyword
-   |
-help: escape `true` to use it as an identifier
-   |
-LL |     foo!(r#true);
-   |          ++
-
 error: invalid `struct` delimiters or `fn` call arguments
   --> $DIR/issue-44406.rs:3:9
    |
@@ -29,5 +18,5 @@ LL -         bar(baz: $rest)
 LL +         bar(: $rest)
    |
 
-error: aborting due to 2 previous errors
+error: aborting due to previous error
 
diff --git a/tests/ui/parser/issues/issue-62913.rs b/tests/ui/parser/issues/issue-62913.rs
index 0db06f636c3..a55ef5ac710 100644
--- a/tests/ui/parser/issues/issue-62913.rs
+++ b/tests/ui/parser/issues/issue-62913.rs
@@ -1,4 +1,4 @@
 "\u\\"
 //~^ ERROR incorrect unicode escape sequence
 //~| ERROR invalid trailing slash in literal
-//~| ERROR expected item, found `"\u\\"`
+//~| ERROR expected item, found `"\u\"`
diff --git a/tests/ui/parser/issues/issue-67146-negative-outlives-bound-syntactic-fail.fixed b/tests/ui/parser/issues/issue-67146-negative-outlives-bound-syntactic-fail.fixed
index 95019b27869..2c42f973174 100644
--- a/tests/ui/parser/issues/issue-67146-negative-outlives-bound-syntactic-fail.fixed
+++ b/tests/ui/parser/issues/issue-67146-negative-outlives-bound-syntactic-fail.fixed
@@ -6,9 +6,12 @@
 
 fn main() {}
 
-pub fn f1<T>() {}
+pub fn f1<T: 'static>() {}
 //~^ ERROR negative bounds are not supported
-pub fn f2<'a, T: Ord>() {}
+//~| ERROR `!` may only modify trait bounds, not lifetime bound
+pub fn f2<'a, T: Ord + 'a>() {}
 //~^ ERROR negative bounds are not supported
-pub fn f3<'a, T: Ord>() {}
+//~| ERROR `!` may only modify trait bounds, not lifetime bound
+pub fn f3<'a, T: 'a + Ord>() {}
 //~^ ERROR negative bounds are not supported
+//~| ERROR `!` may only modify trait bounds, not lifetime bound
diff --git a/tests/ui/parser/issues/issue-67146-negative-outlives-bound-syntactic-fail.rs b/tests/ui/parser/issues/issue-67146-negative-outlives-bound-syntactic-fail.rs
index 82f54f8faa9..e510efaae5b 100644
--- a/tests/ui/parser/issues/issue-67146-negative-outlives-bound-syntactic-fail.rs
+++ b/tests/ui/parser/issues/issue-67146-negative-outlives-bound-syntactic-fail.rs
@@ -8,7 +8,10 @@ fn main() {}
 
 pub fn f1<T: !'static>() {}
 //~^ ERROR negative bounds are not supported
+//~| ERROR `!` may only modify trait bounds, not lifetime bound
 pub fn f2<'a, T: Ord + !'a>() {}
 //~^ ERROR negative bounds are not supported
+//~| ERROR `!` may only modify trait bounds, not lifetime bound
 pub fn f3<'a, T: !'a + Ord>() {}
 //~^ ERROR negative bounds are not supported
+//~| ERROR `!` may only modify trait bounds, not lifetime bound
diff --git a/tests/ui/parser/issues/issue-67146-negative-outlives-bound-syntactic-fail.stderr b/tests/ui/parser/issues/issue-67146-negative-outlives-bound-syntactic-fail.stderr
index a4a422948ac..91fe02db3a6 100644
--- a/tests/ui/parser/issues/issue-67146-negative-outlives-bound-syntactic-fail.stderr
+++ b/tests/ui/parser/issues/issue-67146-negative-outlives-bound-syntactic-fail.stderr
@@ -1,20 +1,38 @@
+error: `!` may only modify trait bounds, not lifetime bounds
+  --> $DIR/issue-67146-negative-outlives-bound-syntactic-fail.rs:9:14
+   |
+LL | pub fn f1<T: !'static>() {}
+   |              ^
+
+error: `!` may only modify trait bounds, not lifetime bounds
+  --> $DIR/issue-67146-negative-outlives-bound-syntactic-fail.rs:12:24
+   |
+LL | pub fn f2<'a, T: Ord + !'a>() {}
+   |                        ^
+
+error: `!` may only modify trait bounds, not lifetime bounds
+  --> $DIR/issue-67146-negative-outlives-bound-syntactic-fail.rs:15:18
+   |
+LL | pub fn f3<'a, T: !'a + Ord>() {}
+   |                  ^
+
 error: negative bounds are not supported
-  --> $DIR/issue-67146-negative-outlives-bound-syntactic-fail.rs:9:12
+  --> $DIR/issue-67146-negative-outlives-bound-syntactic-fail.rs:9:14
    |
 LL | pub fn f1<T: !'static>() {}
-   |            ^^^^^^^^^^ negative bounds are not supported
+   |              ^
 
 error: negative bounds are not supported
-  --> $DIR/issue-67146-negative-outlives-bound-syntactic-fail.rs:11:22
+  --> $DIR/issue-67146-negative-outlives-bound-syntactic-fail.rs:12:24
    |
 LL | pub fn f2<'a, T: Ord + !'a>() {}
-   |                      ^^^^^ negative bounds are not supported
+   |                        ^
 
 error: negative bounds are not supported
-  --> $DIR/issue-67146-negative-outlives-bound-syntactic-fail.rs:13:16
+  --> $DIR/issue-67146-negative-outlives-bound-syntactic-fail.rs:15:18
    |
 LL | pub fn f3<'a, T: !'a + Ord>() {}
-   |                ^^^^^ negative bounds are not supported
+   |                  ^
 
-error: aborting due to 3 previous errors
+error: aborting due to 6 previous errors
 
diff --git a/tests/ui/parser/issues/issue-91461.rs b/tests/ui/parser/issues/issue-91461.rs
index 3e3c411c478..80e0940ad8f 100644
--- a/tests/ui/parser/issues/issue-91461.rs
+++ b/tests/ui/parser/issues/issue-91461.rs
@@ -1,6 +1,5 @@
 fn main() {
     a(_:b:,)
-    //~^ ERROR: expected identifier, found reserved identifier `_`
-    //~| ERROR: expected type, found `,`
-    //~| ERROR: expected type, found `,`
+    //~^ ERROR expected identifier, found reserved identifier
+    //~| ERROR: expected one of
 }
diff --git a/tests/ui/parser/issues/issue-91461.stderr b/tests/ui/parser/issues/issue-91461.stderr
index 94fcf1721d8..27e1b5cdc17 100644
--- a/tests/ui/parser/issues/issue-91461.stderr
+++ b/tests/ui/parser/issues/issue-91461.stderr
@@ -4,28 +4,11 @@ error: expected identifier, found reserved identifier `_`
 LL |     a(_:b:,)
    |       ^ expected identifier, found reserved identifier
 
-error: expected type, found `,`
-  --> $DIR/issue-91461.rs:2:11
+error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
+  --> $DIR/issue-91461.rs:2:8
    |
 LL |     a(_:b:,)
-   |     -    -^ expected type
-   |     |    |
-   |     |    tried to parse a type due to this type ascription
-   |     while parsing this struct
-   |
-   = note: `#![feature(type_ascription)]` lets you annotate an expression with a type: `<expr>: <type>`
-   = note: see issue #23416 <https://github.com/rust-lang/rust/issues/23416> for more information
-
-error: expected type, found `,`
-  --> $DIR/issue-91461.rs:2:11
-   |
-LL |     a(_:b:,)
-   |          -^ expected type
-   |          |
-   |          tried to parse a type due to this type ascription
-   |
-   = note: `#![feature(type_ascription)]` lets you annotate an expression with a type: `<expr>: <type>`
-   = note: see issue #23416 <https://github.com/rust-lang/rust/issues/23416> for more information
+   |        ^ expected one of `)`, `,`, `.`, `?`, or an operator
 
-error: aborting due to 3 previous errors
+error: aborting due to 2 previous errors
 
diff --git a/tests/ui/pattern/bindings-after-at/borrowck-pat-at-and-box-pass.rs b/tests/ui/pattern/bindings-after-at/borrowck-pat-at-and-box-pass.rs
index fbdefd9d36c..965204bf240 100644
--- a/tests/ui/pattern/bindings-after-at/borrowck-pat-at-and-box-pass.rs
+++ b/tests/ui/pattern/bindings-after-at/borrowck-pat-at-and-box-pass.rs
@@ -2,6 +2,9 @@
 
 // Test `@` patterns combined with `box` patterns.
 
+#![allow(drop_ref)]
+#![allow(drop_copy)]
+
 #![feature(box_patterns)]
 
 #[derive(Copy, Clone)]
diff --git a/tests/ui/pattern/bindings-after-at/borrowck-pat-by-copy-bindings-in-at.rs b/tests/ui/pattern/bindings-after-at/borrowck-pat-by-copy-bindings-in-at.rs
index 0108861cfce..3eb5d2cbf54 100644
--- a/tests/ui/pattern/bindings-after-at/borrowck-pat-by-copy-bindings-in-at.rs
+++ b/tests/ui/pattern/bindings-after-at/borrowck-pat-by-copy-bindings-in-at.rs
@@ -2,6 +2,8 @@
 
 // Test `Copy` bindings in the rhs of `@` patterns.
 
+#![allow(drop_copy)]
+
 #[derive(Copy, Clone)]
 struct C;
 
diff --git a/tests/ui/pattern/bindings-after-at/nested-type-ascription-syntactically-invalid.rs b/tests/ui/pattern/bindings-after-at/nested-type-ascription-syntactically-invalid.rs
index a709e34b501..01a978d5557 100644
--- a/tests/ui/pattern/bindings-after-at/nested-type-ascription-syntactically-invalid.rs
+++ b/tests/ui/pattern/bindings-after-at/nested-type-ascription-syntactically-invalid.rs
@@ -22,8 +22,7 @@ fn case_1() {
 #[cfg(FALSE)]
 fn case_2() {
     let a @ (b: u8);
-    //~^ ERROR expected one of `!`
-    //~| ERROR expected one of `)`
+    //~^ ERROR expected one of `)`
 }
 
 #[cfg(FALSE)]
diff --git a/tests/ui/pattern/bindings-after-at/nested-type-ascription-syntactically-invalid.stderr b/tests/ui/pattern/bindings-after-at/nested-type-ascription-syntactically-invalid.stderr
index 27660ae406e..0c109ff6bba 100644
--- a/tests/ui/pattern/bindings-after-at/nested-type-ascription-syntactically-invalid.stderr
+++ b/tests/ui/pattern/bindings-after-at/nested-type-ascription-syntactically-invalid.stderr
@@ -9,18 +9,14 @@ error: expected one of `)`, `,`, `@`, or `|`, found `:`
    |
 LL |     let a @ (b: u8);
    |               ^ expected one of `)`, `,`, `@`, or `|`
-
-error: expected one of `!`, `(`, `+`, `::`, `;`, `<`, or `=`, found `)`
-  --> $DIR/nested-type-ascription-syntactically-invalid.rs:24:19
    |
-LL |     let a @ (b: u8);
-   |                   ^ expected one of 7 possible tokens
+   = note: type ascription syntax has been removed, see issue #101728 <https://github.com/rust-lang/rust/issues/101728>
 
 error: expected one of `!`, `(`, `+`, `::`, `;`, `<`, or `=`, found `@`
-  --> $DIR/nested-type-ascription-syntactically-invalid.rs:31:15
+  --> $DIR/nested-type-ascription-syntactically-invalid.rs:30:15
    |
 LL |     let a: T1 @ Outer(b: T2);
    |               ^ expected one of 7 possible tokens
 
-error: aborting due to 4 previous errors
+error: aborting due to 3 previous errors
 
diff --git a/tests/ui/pattern/move-ref-patterns/borrowck-move-ref-pattern-pass.rs b/tests/ui/pattern/move-ref-patterns/borrowck-move-ref-pattern-pass.rs
index 5445696fdff..0550238549e 100644
--- a/tests/ui/pattern/move-ref-patterns/borrowck-move-ref-pattern-pass.rs
+++ b/tests/ui/pattern/move-ref-patterns/borrowck-move-ref-pattern-pass.rs
@@ -1,5 +1,7 @@
 // check-pass
 
+#![allow(drop_ref)]
+
 fn main() {}
 
 struct U;
diff --git a/tests/ui/pattern/move-ref-patterns/borrowck-move-ref-pattern.stderr b/tests/ui/pattern/move-ref-patterns/borrowck-move-ref-pattern.stderr
index c7c7c074f7c..a033cc0655e 100644
--- a/tests/ui/pattern/move-ref-patterns/borrowck-move-ref-pattern.stderr
+++ b/tests/ui/pattern/move-ref-patterns/borrowck-move-ref-pattern.stderr
@@ -112,7 +112,7 @@ LL |     *_x0 = U;
 help: consider changing this to be a mutable reference
    |
 LL |     let (ref mut _x0, _x1, ref _x2, ..) = tup;
-   |          ~~~~~~~~~~~
+   |              +++
 
 error[E0594]: cannot assign to `*_x2`, which is behind a `&` reference
   --> $DIR/borrowck-move-ref-pattern.rs:27:5
@@ -123,7 +123,7 @@ LL |     *_x2 = U;
 help: consider changing this to be a mutable reference
    |
 LL |     let (ref _x0, _x1, ref mut _x2, ..) = tup;
-   |                        ~~~~~~~~~~~
+   |                            +++
 
 error[E0382]: use of moved value: `tup.1`
   --> $DIR/borrowck-move-ref-pattern.rs:28:10
diff --git a/tests/ui/pattern/move-ref-patterns/move-ref-patterns-closure-captures-pass.rs b/tests/ui/pattern/move-ref-patterns/move-ref-patterns-closure-captures-pass.rs
index 583f70f41aa..788975d960a 100644
--- a/tests/ui/pattern/move-ref-patterns/move-ref-patterns-closure-captures-pass.rs
+++ b/tests/ui/pattern/move-ref-patterns/move-ref-patterns-closure-captures-pass.rs
@@ -1,5 +1,7 @@
 // check-pass
 
+#![allow(drop_ref)]
+
 fn main() {
     struct U;
     fn accept_fn_once(_: impl FnOnce()) {}
diff --git a/tests/ui/pattern/pattern-error-continue.stderr b/tests/ui/pattern/pattern-error-continue.stderr
index e1349fb02ea..10fcccb0301 100644
--- a/tests/ui/pattern/pattern-error-continue.stderr
+++ b/tests/ui/pattern/pattern-error-continue.stderr
@@ -1,9 +1,3 @@
-error[E0433]: failed to resolve: use of undeclared type `E`
-  --> $DIR/pattern-error-continue.rs:33:9
-   |
-LL |         E::V => {}
-   |         ^ use of undeclared type `E`
-
 error[E0532]: expected tuple struct or tuple variant, found unit variant `A::D`
   --> $DIR/pattern-error-continue.rs:18:9
    |
@@ -56,6 +50,15 @@ note: function defined here
 LL | fn f(_c: char) {}
    |    ^ --------
 
+error[E0433]: failed to resolve: use of undeclared type `E`
+  --> $DIR/pattern-error-continue.rs:33:9
+   |
+LL |         E::V => {}
+   |         ^
+   |         |
+   |         use of undeclared type `E`
+   |         help: an enum with a similar name exists: `A`
+
 error: aborting due to 5 previous errors
 
 Some errors have detailed explanations: E0023, E0308, E0433, E0532.
diff --git a/tests/ui/pattern/usefulness/consts-opaque.rs b/tests/ui/pattern/usefulness/consts-opaque.rs
index ca4fcd85bb6..c10c6205a08 100644
--- a/tests/ui/pattern/usefulness/consts-opaque.rs
+++ b/tests/ui/pattern/usefulness/consts-opaque.rs
@@ -20,11 +20,12 @@ const BAR: Bar = Bar;
 #[derive(PartialEq)]
 enum Baz {
     Baz1,
-    Baz2
+    Baz2,
 }
 impl Eq for Baz {}
 const BAZ: Baz = Baz::Baz1;
 
+#[rustfmt::skip]
 fn main() {
     match FOO {
         FOO => {}
@@ -124,8 +125,16 @@ fn main() {
 
     match WRAPQUUX {
         Wrap(_) => {}
-        WRAPQUUX => {} // detected unreachable because we do inspect the `Wrap` layer
-        //~^ ERROR unreachable pattern
+        WRAPQUUX => {}
+    }
+
+    match WRAPQUUX {
+        Wrap(_) => {}
+    }
+
+    match WRAPQUUX {
+        //~^ ERROR: non-exhaustive patterns: `Wrap(_)` not covered
+        WRAPQUUX => {}
     }
 
     #[derive(PartialEq, Eq)]
@@ -138,8 +147,7 @@ fn main() {
     match WHOKNOWSQUUX {
         WHOKNOWSQUUX => {}
         WhoKnows::Yay(_) => {}
-        WHOKNOWSQUUX => {} // detected unreachable because we do inspect the `WhoKnows` layer
-        //~^ ERROR unreachable pattern
+        WHOKNOWSQUUX => {}
         WhoKnows::Nope => {}
     }
 }
diff --git a/tests/ui/pattern/usefulness/consts-opaque.stderr b/tests/ui/pattern/usefulness/consts-opaque.stderr
index 3f0b4a9f26a..e01b06ccc82 100644
--- a/tests/ui/pattern/usefulness/consts-opaque.stderr
+++ b/tests/ui/pattern/usefulness/consts-opaque.stderr
@@ -1,5 +1,5 @@
 error: to use a constant of type `Foo` in a pattern, `Foo` must be annotated with `#[derive(PartialEq, Eq)]`
-  --> $DIR/consts-opaque.rs:30:9
+  --> $DIR/consts-opaque.rs:31:9
    |
 LL |         FOO => {}
    |         ^^^
@@ -8,7 +8,7 @@ LL |         FOO => {}
    = note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details
 
 error: to use a constant of type `Foo` in a pattern, `Foo` must be annotated with `#[derive(PartialEq, Eq)]`
-  --> $DIR/consts-opaque.rs:37:9
+  --> $DIR/consts-opaque.rs:38:9
    |
 LL |         FOO_REF => {}
    |         ^^^^^^^
@@ -17,7 +17,7 @@ LL |         FOO_REF => {}
    = note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details
 
 warning: to use a constant of type `Foo` in a pattern, `Foo` must be annotated with `#[derive(PartialEq, Eq)]`
-  --> $DIR/consts-opaque.rs:45:9
+  --> $DIR/consts-opaque.rs:46:9
    |
 LL |         FOO_REF_REF => {}
    |         ^^^^^^^^^^^
@@ -29,7 +29,7 @@ LL |         FOO_REF_REF => {}
    = note: `#[warn(indirect_structural_match)]` on by default
 
 error: to use a constant of type `Bar` in a pattern, `Bar` must be annotated with `#[derive(PartialEq, Eq)]`
-  --> $DIR/consts-opaque.rs:53:9
+  --> $DIR/consts-opaque.rs:54:9
    |
 LL |         BAR => {} // should not be emitting unreachable warning
    |         ^^^
@@ -38,7 +38,7 @@ LL |         BAR => {} // should not be emitting unreachable warning
    = note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details
 
 error: to use a constant of type `Bar` in a pattern, `Bar` must be annotated with `#[derive(PartialEq, Eq)]`
-  --> $DIR/consts-opaque.rs:61:9
+  --> $DIR/consts-opaque.rs:62:9
    |
 LL |         BAR => {}
    |         ^^^
@@ -47,7 +47,7 @@ LL |         BAR => {}
    = note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details
 
 error: to use a constant of type `Bar` in a pattern, `Bar` must be annotated with `#[derive(PartialEq, Eq)]`
-  --> $DIR/consts-opaque.rs:70:9
+  --> $DIR/consts-opaque.rs:71:9
    |
 LL |         BAR => {}
    |         ^^^
@@ -56,7 +56,7 @@ LL |         BAR => {}
    = note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details
 
 error: to use a constant of type `Bar` in a pattern, `Bar` must be annotated with `#[derive(PartialEq, Eq)]`
-  --> $DIR/consts-opaque.rs:72:9
+  --> $DIR/consts-opaque.rs:73:9
    |
 LL |         BAR => {} // should not be emitting unreachable warning
    |         ^^^
@@ -65,7 +65,7 @@ LL |         BAR => {} // should not be emitting unreachable warning
    = note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details
 
 error: to use a constant of type `Baz` in a pattern, `Baz` must be annotated with `#[derive(PartialEq, Eq)]`
-  --> $DIR/consts-opaque.rs:80:9
+  --> $DIR/consts-opaque.rs:81:9
    |
 LL |         BAZ => {}
    |         ^^^
@@ -74,7 +74,7 @@ LL |         BAZ => {}
    = note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details
 
 error: to use a constant of type `Baz` in a pattern, `Baz` must be annotated with `#[derive(PartialEq, Eq)]`
-  --> $DIR/consts-opaque.rs:90:9
+  --> $DIR/consts-opaque.rs:91:9
    |
 LL |         BAZ => {}
    |         ^^^
@@ -83,7 +83,7 @@ LL |         BAZ => {}
    = note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details
 
 error: to use a constant of type `Baz` in a pattern, `Baz` must be annotated with `#[derive(PartialEq, Eq)]`
-  --> $DIR/consts-opaque.rs:97:9
+  --> $DIR/consts-opaque.rs:98:9
    |
 LL |         BAZ => {}
    |         ^^^
@@ -92,7 +92,7 @@ LL |         BAZ => {}
    = note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details
 
 error: unreachable pattern
-  --> $DIR/consts-opaque.rs:32:9
+  --> $DIR/consts-opaque.rs:33:9
    |
 LL |         FOO => {}
    |         --- matches any value
@@ -107,7 +107,7 @@ LL | #![deny(unreachable_patterns)]
    |         ^^^^^^^^^^^^^^^^^^^^
 
 error: unreachable pattern
-  --> $DIR/consts-opaque.rs:39:9
+  --> $DIR/consts-opaque.rs:40:9
    |
 LL |         FOO_REF => {}
    |         ------- matches any value
@@ -116,7 +116,7 @@ LL |         Foo(_) => {} // should not be emitting unreachable warning
    |         ^^^^^^ unreachable pattern
 
 error: unreachable pattern
-  --> $DIR/consts-opaque.rs:53:9
+  --> $DIR/consts-opaque.rs:54:9
    |
 LL |         Bar => {}
    |         --- matches any value
@@ -124,7 +124,7 @@ LL |         BAR => {} // should not be emitting unreachable warning
    |         ^^^ unreachable pattern
 
 error: unreachable pattern
-  --> $DIR/consts-opaque.rs:56:9
+  --> $DIR/consts-opaque.rs:57:9
    |
 LL |         Bar => {}
    |         --- matches any value
@@ -133,7 +133,7 @@ LL |         _ => {}
    |         ^ unreachable pattern
 
 error: unreachable pattern
-  --> $DIR/consts-opaque.rs:63:9
+  --> $DIR/consts-opaque.rs:64:9
    |
 LL |         BAR => {}
    |         --- matches any value
@@ -142,7 +142,7 @@ LL |         Bar => {} // should not be emitting unreachable warning
    |         ^^^ unreachable pattern
 
 error: unreachable pattern
-  --> $DIR/consts-opaque.rs:65:9
+  --> $DIR/consts-opaque.rs:66:9
    |
 LL |         BAR => {}
    |         --- matches any value
@@ -151,7 +151,7 @@ LL |         _ => {}
    |         ^ unreachable pattern
 
 error: unreachable pattern
-  --> $DIR/consts-opaque.rs:72:9
+  --> $DIR/consts-opaque.rs:73:9
    |
 LL |         BAR => {}
    |         --- matches any value
@@ -160,7 +160,7 @@ LL |         BAR => {} // should not be emitting unreachable warning
    |         ^^^ unreachable pattern
 
 error: unreachable pattern
-  --> $DIR/consts-opaque.rs:75:9
+  --> $DIR/consts-opaque.rs:76:9
    |
 LL |         BAR => {}
    |         --- matches any value
@@ -169,7 +169,7 @@ LL |         _ => {} // should not be emitting unreachable warning
    |         ^ unreachable pattern
 
 error: unreachable pattern
-  --> $DIR/consts-opaque.rs:82:9
+  --> $DIR/consts-opaque.rs:83:9
    |
 LL |         BAZ => {}
    |         --- matches any value
@@ -178,7 +178,7 @@ LL |         Baz::Baz1 => {} // should not be emitting unreachable warning
    |         ^^^^^^^^^ unreachable pattern
 
 error: unreachable pattern
-  --> $DIR/consts-opaque.rs:84:9
+  --> $DIR/consts-opaque.rs:85:9
    |
 LL |         BAZ => {}
    |         --- matches any value
@@ -187,7 +187,7 @@ LL |         _ => {}
    |         ^ unreachable pattern
 
 error: unreachable pattern
-  --> $DIR/consts-opaque.rs:92:9
+  --> $DIR/consts-opaque.rs:93:9
    |
 LL |         BAZ => {}
    |         --- matches any value
@@ -196,7 +196,7 @@ LL |         _ => {}
    |         ^ unreachable pattern
 
 error: unreachable pattern
-  --> $DIR/consts-opaque.rs:99:9
+  --> $DIR/consts-opaque.rs:100:9
    |
 LL |         BAZ => {}
    |         --- matches any value
@@ -205,7 +205,7 @@ LL |         Baz::Baz2 => {} // should not be emitting unreachable warning
    |         ^^^^^^^^^ unreachable pattern
 
 error: unreachable pattern
-  --> $DIR/consts-opaque.rs:101:9
+  --> $DIR/consts-opaque.rs:102:9
    |
 LL |         BAZ => {}
    |         --- matches any value
@@ -213,19 +213,24 @@ LL |         BAZ => {}
 LL |         _ => {} // should not be emitting unreachable warning
    |         ^ unreachable pattern
 
-error: unreachable pattern
-  --> $DIR/consts-opaque.rs:127:9
+error[E0004]: non-exhaustive patterns: `Wrap(_)` not covered
+  --> $DIR/consts-opaque.rs:135:11
    |
-LL |         Wrap(_) => {}
-   |         ------- matches any value
-LL |         WRAPQUUX => {} // detected unreachable because we do inspect the `Wrap` layer
-   |         ^^^^^^^^ unreachable pattern
-
-error: unreachable pattern
-  --> $DIR/consts-opaque.rs:141:9
+LL |     match WRAPQUUX {
+   |           ^^^^^^^^ pattern `Wrap(_)` not covered
+   |
+note: `Wrap<fn(usize, usize) -> usize>` defined here
+  --> $DIR/consts-opaque.rs:117:12
+   |
+LL |     struct Wrap<T>(T);
+   |            ^^^^
+   = note: the matched value is of type `Wrap<fn(usize, usize) -> usize>`
+help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown
+   |
+LL ~         WRAPQUUX => {},
+LL +         Wrap(_) => todo!()
    |
-LL |         WHOKNOWSQUUX => {} // detected unreachable because we do inspect the `WhoKnows` layer
-   |         ^^^^^^^^^^^^
 
-error: aborting due to 24 previous errors; 1 warning emitted
+error: aborting due to 23 previous errors; 1 warning emitted
 
+For more information about this error, try `rustc --explain E0004`.
diff --git a/tests/ui/phantom-auto-trait.stderr b/tests/ui/phantom-auto-trait.stderr
index 4769d53eb35..5af648f6a0c 100644
--- a/tests/ui/phantom-auto-trait.stderr
+++ b/tests/ui/phantom-auto-trait.stderr
@@ -11,7 +11,8 @@ note: required for `&T` to implement `Zen`
    |
 LL | unsafe impl<'a, T: 'a> Zen for &'a T where T: Sync {}
    |                        ^^^     ^^^^^          ---- unsatisfied trait bound introduced here
-   = note: required because it appears within the type `PhantomData<&T>`
+note: required because it appears within the type `PhantomData<&T>`
+  --> $SRC_DIR/core/src/marker.rs:LL:COL
 note: required because it appears within the type `Guard<'_, T>`
   --> $DIR/phantom-auto-trait.rs:12:8
    |
@@ -40,7 +41,8 @@ note: required for `&T` to implement `Zen`
    |
 LL | unsafe impl<'a, T: 'a> Zen for &'a T where T: Sync {}
    |                        ^^^     ^^^^^          ---- unsatisfied trait bound introduced here
-   = note: required because it appears within the type `PhantomData<&T>`
+note: required because it appears within the type `PhantomData<&T>`
+  --> $SRC_DIR/core/src/marker.rs:LL:COL
 note: required because it appears within the type `Guard<'_, T>`
   --> $DIR/phantom-auto-trait.rs:12:8
    |
diff --git a/tests/ui/print_type_sizes/async.rs b/tests/ui/print_type_sizes/async.rs
index 1598b069691..c73268dc46a 100644
--- a/tests/ui/print_type_sizes/async.rs
+++ b/tests/ui/print_type_sizes/async.rs
@@ -3,6 +3,8 @@
 // build-pass
 // ignore-pass
 
+#![allow(drop_copy)]
+
 async fn wait() {}
 
 pub async fn test(arg: [u8; 8192]) {
diff --git a/tests/ui/print_type_sizes/async.stdout b/tests/ui/print_type_sizes/async.stdout
index 1c6887412be..873def9031a 100644
--- a/tests/ui/print_type_sizes/async.stdout
+++ b/tests/ui/print_type_sizes/async.stdout
@@ -1,4 +1,4 @@
-print-type-size type: `[async fn body@$DIR/async.rs:8:36: 11:2]`: 16386 bytes, alignment: 1 bytes
+print-type-size type: `[async fn body@$DIR/async.rs:10:36: 13:2]`: 16386 bytes, alignment: 1 bytes
 print-type-size     discriminant: 1 bytes
 print-type-size     variant `Unresumed`: 8192 bytes
 print-type-size         upvar `.arg`: 8192 bytes
@@ -16,14 +16,14 @@ print-type-size type: `std::mem::MaybeUninit<[u8; 8192]>`: 8192 bytes, alignment
 print-type-size     variant `MaybeUninit`: 8192 bytes
 print-type-size         field `.uninit`: 0 bytes
 print-type-size         field `.value`: 8192 bytes
-print-type-size type: `[async fn body@$DIR/async.rs:6:17: 6:19]`: 1 bytes, alignment: 1 bytes
+print-type-size type: `[async fn body@$DIR/async.rs:8:17: 8:19]`: 1 bytes, alignment: 1 bytes
 print-type-size     discriminant: 1 bytes
 print-type-size     variant `Unresumed`: 0 bytes
 print-type-size     variant `Returned`: 0 bytes
 print-type-size     variant `Panicked`: 0 bytes
-print-type-size type: `std::mem::ManuallyDrop<[async fn body@$DIR/async.rs:6:17: 6:19]>`: 1 bytes, alignment: 1 bytes
+print-type-size type: `std::mem::ManuallyDrop<[async fn body@$DIR/async.rs:8:17: 8:19]>`: 1 bytes, alignment: 1 bytes
 print-type-size     field `.value`: 1 bytes
-print-type-size type: `std::mem::MaybeUninit<[async fn body@$DIR/async.rs:6:17: 6:19]>`: 1 bytes, alignment: 1 bytes
+print-type-size type: `std::mem::MaybeUninit<[async fn body@$DIR/async.rs:8:17: 8:19]>`: 1 bytes, alignment: 1 bytes
 print-type-size     variant `MaybeUninit`: 1 bytes
 print-type-size         field `.uninit`: 0 bytes
 print-type-size         field `.value`: 1 bytes
diff --git a/tests/ui/print_type_sizes/generator_discr_placement.rs b/tests/ui/print_type_sizes/generator_discr_placement.rs
index 1a85fe95bb6..a77a03f0a8a 100644
--- a/tests/ui/print_type_sizes/generator_discr_placement.rs
+++ b/tests/ui/print_type_sizes/generator_discr_placement.rs
@@ -6,6 +6,7 @@
 
 // Avoid emitting panic handlers, like the rest of these tests...
 #![feature(generators)]
+#![allow(drop_copy)]
 
 pub fn foo() {
     let a = || {
diff --git a/tests/ui/print_type_sizes/generator_discr_placement.stdout b/tests/ui/print_type_sizes/generator_discr_placement.stdout
index f2a11c7a33b..fe0022cf5f4 100644
--- a/tests/ui/print_type_sizes/generator_discr_placement.stdout
+++ b/tests/ui/print_type_sizes/generator_discr_placement.stdout
@@ -1,4 +1,4 @@
-print-type-size type: `[generator@$DIR/generator_discr_placement.rs:11:13: 11:15]`: 8 bytes, alignment: 4 bytes
+print-type-size type: `[generator@$DIR/generator_discr_placement.rs:12:13: 12:15]`: 8 bytes, alignment: 4 bytes
 print-type-size     discriminant: 1 bytes
 print-type-size     variant `Unresumed`: 0 bytes
 print-type-size     variant `Suspend0`: 7 bytes
diff --git a/tests/ui/range/issue-54505-no-literals.fixed b/tests/ui/range/issue-54505-no-literals.fixed
index 4d8f67182b9..71c36c741cc 100644
--- a/tests/ui/range/issue-54505-no-literals.fixed
+++ b/tests/ui/range/issue-54505-no-literals.fixed
@@ -16,60 +16,60 @@ fn main() {
     take_range(&std::ops::Range { start: 0, end: 1 });
     //~^ ERROR mismatched types [E0308]
     //~| HELP consider borrowing here
-    //~| SUGGESTION &std::ops::Range { start: 0, end: 1 }
+    //~| SUGGESTION &
 
     take_range(&::std::ops::Range { start: 0, end: 1 });
     //~^ ERROR mismatched types [E0308]
     //~| HELP consider borrowing here
-    //~| SUGGESTION &::std::ops::Range { start: 0, end: 1 }
+    //~| SUGGESTION &
 
     take_range(&std::ops::RangeFrom { start: 1 });
     //~^ ERROR mismatched types [E0308]
     //~| HELP consider borrowing here
-    //~| SUGGESTION &std::ops::RangeFrom { start: 1 }
+    //~| SUGGESTION &
 
     take_range(&::std::ops::RangeFrom { start: 1 });
     //~^ ERROR mismatched types [E0308]
     //~| HELP consider borrowing here
-    //~| SUGGESTION &::std::ops::RangeFrom { start: 1 }
+    //~| SUGGESTION &
 
     take_range(&std::ops::RangeFull {});
     //~^ ERROR mismatched types [E0308]
     //~| HELP consider borrowing here
-    //~| SUGGESTION &std::ops::RangeFull {}
+    //~| SUGGESTION &
 
     take_range(&::std::ops::RangeFull {});
     //~^ ERROR mismatched types [E0308]
     //~| HELP consider borrowing here
-    //~| SUGGESTION &::std::ops::RangeFull {}
+    //~| SUGGESTION &
 
     take_range(&std::ops::RangeInclusive::new(0, 1));
     //~^ ERROR mismatched types [E0308]
     //~| HELP consider borrowing here
-    //~| SUGGESTION &std::ops::RangeInclusive::new(0, 1)
+    //~| SUGGESTION &
 
     take_range(&::std::ops::RangeInclusive::new(0, 1));
     //~^ ERROR mismatched types [E0308]
     //~| HELP consider borrowing here
-    //~| SUGGESTION &::std::ops::RangeInclusive::new(0, 1)
+    //~| SUGGESTION &
 
     take_range(&std::ops::RangeTo { end: 5 });
     //~^ ERROR mismatched types [E0308]
     //~| HELP consider borrowing here
-    //~| SUGGESTION &std::ops::RangeTo { end: 5 }
+    //~| SUGGESTION &
 
     take_range(&::std::ops::RangeTo { end: 5 });
     //~^ ERROR mismatched types [E0308]
     //~| HELP consider borrowing here
-    //~| SUGGESTION &::std::ops::RangeTo { end: 5 }
+    //~| SUGGESTION &
 
     take_range(&std::ops::RangeToInclusive { end: 5 });
     //~^ ERROR mismatched types [E0308]
     //~| HELP consider borrowing here
-    //~| SUGGESTION &std::ops::RangeToInclusive { end: 5 }
+    //~| SUGGESTION &
 
     take_range(&::std::ops::RangeToInclusive { end: 5 });
     //~^ ERROR mismatched types [E0308]
     //~| HELP consider borrowing here
-    //~| SUGGESTION &::std::ops::RangeToInclusive { end: 5 }
+    //~| SUGGESTION &
 }
diff --git a/tests/ui/range/issue-54505-no-literals.rs b/tests/ui/range/issue-54505-no-literals.rs
index dc21dcbc2db..db125d1a22b 100644
--- a/tests/ui/range/issue-54505-no-literals.rs
+++ b/tests/ui/range/issue-54505-no-literals.rs
@@ -16,60 +16,60 @@ fn main() {
     take_range(std::ops::Range { start: 0, end: 1 });
     //~^ ERROR mismatched types [E0308]
     //~| HELP consider borrowing here
-    //~| SUGGESTION &std::ops::Range { start: 0, end: 1 }
+    //~| SUGGESTION &
 
     take_range(::std::ops::Range { start: 0, end: 1 });
     //~^ ERROR mismatched types [E0308]
     //~| HELP consider borrowing here
-    //~| SUGGESTION &::std::ops::Range { start: 0, end: 1 }
+    //~| SUGGESTION &
 
     take_range(std::ops::RangeFrom { start: 1 });
     //~^ ERROR mismatched types [E0308]
     //~| HELP consider borrowing here
-    //~| SUGGESTION &std::ops::RangeFrom { start: 1 }
+    //~| SUGGESTION &
 
     take_range(::std::ops::RangeFrom { start: 1 });
     //~^ ERROR mismatched types [E0308]
     //~| HELP consider borrowing here
-    //~| SUGGESTION &::std::ops::RangeFrom { start: 1 }
+    //~| SUGGESTION &
 
     take_range(std::ops::RangeFull {});
     //~^ ERROR mismatched types [E0308]
     //~| HELP consider borrowing here
-    //~| SUGGESTION &std::ops::RangeFull {}
+    //~| SUGGESTION &
 
     take_range(::std::ops::RangeFull {});
     //~^ ERROR mismatched types [E0308]
     //~| HELP consider borrowing here
-    //~| SUGGESTION &::std::ops::RangeFull {}
+    //~| SUGGESTION &
 
     take_range(std::ops::RangeInclusive::new(0, 1));
     //~^ ERROR mismatched types [E0308]
     //~| HELP consider borrowing here
-    //~| SUGGESTION &std::ops::RangeInclusive::new(0, 1)
+    //~| SUGGESTION &
 
     take_range(::std::ops::RangeInclusive::new(0, 1));
     //~^ ERROR mismatched types [E0308]
     //~| HELP consider borrowing here
-    //~| SUGGESTION &::std::ops::RangeInclusive::new(0, 1)
+    //~| SUGGESTION &
 
     take_range(std::ops::RangeTo { end: 5 });
     //~^ ERROR mismatched types [E0308]
     //~| HELP consider borrowing here
-    //~| SUGGESTION &std::ops::RangeTo { end: 5 }
+    //~| SUGGESTION &
 
     take_range(::std::ops::RangeTo { end: 5 });
     //~^ ERROR mismatched types [E0308]
     //~| HELP consider borrowing here
-    //~| SUGGESTION &::std::ops::RangeTo { end: 5 }
+    //~| SUGGESTION &
 
     take_range(std::ops::RangeToInclusive { end: 5 });
     //~^ ERROR mismatched types [E0308]
     //~| HELP consider borrowing here
-    //~| SUGGESTION &std::ops::RangeToInclusive { end: 5 }
+    //~| SUGGESTION &
 
     take_range(::std::ops::RangeToInclusive { end: 5 });
     //~^ ERROR mismatched types [E0308]
     //~| HELP consider borrowing here
-    //~| SUGGESTION &::std::ops::RangeToInclusive { end: 5 }
+    //~| SUGGESTION &
 }
diff --git a/tests/ui/range/issue-54505-no-literals.stderr b/tests/ui/range/issue-54505-no-literals.stderr
index d112983848d..5894bb6ba55 100644
--- a/tests/ui/range/issue-54505-no-literals.stderr
+++ b/tests/ui/range/issue-54505-no-literals.stderr
@@ -2,10 +2,8 @@ error[E0308]: mismatched types
   --> $DIR/issue-54505-no-literals.rs:16:16
    |
 LL |     take_range(std::ops::Range { start: 0, end: 1 });
-   |     ---------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-   |     |          |
-   |     |          expected `&_`, found `Range<{integer}>`
-   |     |          help: consider borrowing here: `&std::ops::Range { start: 0, end: 1 }`
+   |     ---------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `&_`, found `Range<{integer}>`
+   |     |
    |     arguments to this function are incorrect
    |
    = note: expected reference `&_`
@@ -15,15 +13,17 @@ note: function defined here
    |
 LL | fn take_range(_r: &impl RangeBounds<i8>) {}
    |    ^^^^^^^^^^ -------------------------
+help: consider borrowing here
+   |
+LL |     take_range(&std::ops::Range { start: 0, end: 1 });
+   |                +
 
 error[E0308]: mismatched types
   --> $DIR/issue-54505-no-literals.rs:21:16
    |
 LL |     take_range(::std::ops::Range { start: 0, end: 1 });
-   |     ---------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-   |     |          |
-   |     |          expected `&_`, found `Range<{integer}>`
-   |     |          help: consider borrowing here: `&::std::ops::Range { start: 0, end: 1 }`
+   |     ---------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `&_`, found `Range<{integer}>`
+   |     |
    |     arguments to this function are incorrect
    |
    = note: expected reference `&_`
@@ -33,15 +33,17 @@ note: function defined here
    |
 LL | fn take_range(_r: &impl RangeBounds<i8>) {}
    |    ^^^^^^^^^^ -------------------------
+help: consider borrowing here
+   |
+LL |     take_range(&::std::ops::Range { start: 0, end: 1 });
+   |                +
 
 error[E0308]: mismatched types
   --> $DIR/issue-54505-no-literals.rs:26:16
    |
 LL |     take_range(std::ops::RangeFrom { start: 1 });
-   |     ---------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-   |     |          |
-   |     |          expected `&_`, found `RangeFrom<{integer}>`
-   |     |          help: consider borrowing here: `&std::ops::RangeFrom { start: 1 }`
+   |     ---------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `&_`, found `RangeFrom<{integer}>`
+   |     |
    |     arguments to this function are incorrect
    |
    = note: expected reference `&_`
@@ -51,15 +53,17 @@ note: function defined here
    |
 LL | fn take_range(_r: &impl RangeBounds<i8>) {}
    |    ^^^^^^^^^^ -------------------------
+help: consider borrowing here
+   |
+LL |     take_range(&std::ops::RangeFrom { start: 1 });
+   |                +
 
 error[E0308]: mismatched types
   --> $DIR/issue-54505-no-literals.rs:31:16
    |
 LL |     take_range(::std::ops::RangeFrom { start: 1 });
-   |     ---------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-   |     |          |
-   |     |          expected `&_`, found `RangeFrom<{integer}>`
-   |     |          help: consider borrowing here: `&::std::ops::RangeFrom { start: 1 }`
+   |     ---------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `&_`, found `RangeFrom<{integer}>`
+   |     |
    |     arguments to this function are incorrect
    |
    = note: expected reference `&_`
@@ -69,15 +73,17 @@ note: function defined here
    |
 LL | fn take_range(_r: &impl RangeBounds<i8>) {}
    |    ^^^^^^^^^^ -------------------------
+help: consider borrowing here
+   |
+LL |     take_range(&::std::ops::RangeFrom { start: 1 });
+   |                +
 
 error[E0308]: mismatched types
   --> $DIR/issue-54505-no-literals.rs:36:16
    |
 LL |     take_range(std::ops::RangeFull {});
-   |     ---------- ^^^^^^^^^^^^^^^^^^^^^^
-   |     |          |
-   |     |          expected `&_`, found `RangeFull`
-   |     |          help: consider borrowing here: `&std::ops::RangeFull {}`
+   |     ---------- ^^^^^^^^^^^^^^^^^^^^^^ expected `&_`, found `RangeFull`
+   |     |
    |     arguments to this function are incorrect
    |
    = note: expected reference `&_`
@@ -87,15 +93,17 @@ note: function defined here
    |
 LL | fn take_range(_r: &impl RangeBounds<i8>) {}
    |    ^^^^^^^^^^ -------------------------
+help: consider borrowing here
+   |
+LL |     take_range(&std::ops::RangeFull {});
+   |                +
 
 error[E0308]: mismatched types
   --> $DIR/issue-54505-no-literals.rs:41:16
    |
 LL |     take_range(::std::ops::RangeFull {});
-   |     ---------- ^^^^^^^^^^^^^^^^^^^^^^^^
-   |     |          |
-   |     |          expected `&_`, found `RangeFull`
-   |     |          help: consider borrowing here: `&::std::ops::RangeFull {}`
+   |     ---------- ^^^^^^^^^^^^^^^^^^^^^^^^ expected `&_`, found `RangeFull`
+   |     |
    |     arguments to this function are incorrect
    |
    = note: expected reference `&_`
@@ -105,15 +113,17 @@ note: function defined here
    |
 LL | fn take_range(_r: &impl RangeBounds<i8>) {}
    |    ^^^^^^^^^^ -------------------------
+help: consider borrowing here
+   |
+LL |     take_range(&::std::ops::RangeFull {});
+   |                +
 
 error[E0308]: mismatched types
   --> $DIR/issue-54505-no-literals.rs:46:16
    |
 LL |     take_range(std::ops::RangeInclusive::new(0, 1));
-   |     ---------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-   |     |          |
-   |     |          expected `&_`, found `RangeInclusive<{integer}>`
-   |     |          help: consider borrowing here: `&std::ops::RangeInclusive::new(0, 1)`
+   |     ---------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `&_`, found `RangeInclusive<{integer}>`
+   |     |
    |     arguments to this function are incorrect
    |
    = note: expected reference `&_`
@@ -123,15 +133,17 @@ note: function defined here
    |
 LL | fn take_range(_r: &impl RangeBounds<i8>) {}
    |    ^^^^^^^^^^ -------------------------
+help: consider borrowing here
+   |
+LL |     take_range(&std::ops::RangeInclusive::new(0, 1));
+   |                +
 
 error[E0308]: mismatched types
   --> $DIR/issue-54505-no-literals.rs:51:16
    |
 LL |     take_range(::std::ops::RangeInclusive::new(0, 1));
-   |     ---------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-   |     |          |
-   |     |          expected `&_`, found `RangeInclusive<{integer}>`
-   |     |          help: consider borrowing here: `&::std::ops::RangeInclusive::new(0, 1)`
+   |     ---------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `&_`, found `RangeInclusive<{integer}>`
+   |     |
    |     arguments to this function are incorrect
    |
    = note: expected reference `&_`
@@ -141,15 +153,17 @@ note: function defined here
    |
 LL | fn take_range(_r: &impl RangeBounds<i8>) {}
    |    ^^^^^^^^^^ -------------------------
+help: consider borrowing here
+   |
+LL |     take_range(&::std::ops::RangeInclusive::new(0, 1));
+   |                +
 
 error[E0308]: mismatched types
   --> $DIR/issue-54505-no-literals.rs:56:16
    |
 LL |     take_range(std::ops::RangeTo { end: 5 });
-   |     ---------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-   |     |          |
-   |     |          expected `&_`, found `RangeTo<{integer}>`
-   |     |          help: consider borrowing here: `&std::ops::RangeTo { end: 5 }`
+   |     ---------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `&_`, found `RangeTo<{integer}>`
+   |     |
    |     arguments to this function are incorrect
    |
    = note: expected reference `&_`
@@ -159,15 +173,17 @@ note: function defined here
    |
 LL | fn take_range(_r: &impl RangeBounds<i8>) {}
    |    ^^^^^^^^^^ -------------------------
+help: consider borrowing here
+   |
+LL |     take_range(&std::ops::RangeTo { end: 5 });
+   |                +
 
 error[E0308]: mismatched types
   --> $DIR/issue-54505-no-literals.rs:61:16
    |
 LL |     take_range(::std::ops::RangeTo { end: 5 });
-   |     ---------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-   |     |          |
-   |     |          expected `&_`, found `RangeTo<{integer}>`
-   |     |          help: consider borrowing here: `&::std::ops::RangeTo { end: 5 }`
+   |     ---------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `&_`, found `RangeTo<{integer}>`
+   |     |
    |     arguments to this function are incorrect
    |
    = note: expected reference `&_`
@@ -177,15 +193,17 @@ note: function defined here
    |
 LL | fn take_range(_r: &impl RangeBounds<i8>) {}
    |    ^^^^^^^^^^ -------------------------
+help: consider borrowing here
+   |
+LL |     take_range(&::std::ops::RangeTo { end: 5 });
+   |                +
 
 error[E0308]: mismatched types
   --> $DIR/issue-54505-no-literals.rs:66:16
    |
 LL |     take_range(std::ops::RangeToInclusive { end: 5 });
-   |     ---------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-   |     |          |
-   |     |          expected `&_`, found `RangeToInclusive<{integer}>`
-   |     |          help: consider borrowing here: `&std::ops::RangeToInclusive { end: 5 }`
+   |     ---------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `&_`, found `RangeToInclusive<{integer}>`
+   |     |
    |     arguments to this function are incorrect
    |
    = note: expected reference `&_`
@@ -195,15 +213,17 @@ note: function defined here
    |
 LL | fn take_range(_r: &impl RangeBounds<i8>) {}
    |    ^^^^^^^^^^ -------------------------
+help: consider borrowing here
+   |
+LL |     take_range(&std::ops::RangeToInclusive { end: 5 });
+   |                +
 
 error[E0308]: mismatched types
   --> $DIR/issue-54505-no-literals.rs:71:16
    |
 LL |     take_range(::std::ops::RangeToInclusive { end: 5 });
-   |     ---------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-   |     |          |
-   |     |          expected `&_`, found `RangeToInclusive<{integer}>`
-   |     |          help: consider borrowing here: `&::std::ops::RangeToInclusive { end: 5 }`
+   |     ---------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `&_`, found `RangeToInclusive<{integer}>`
+   |     |
    |     arguments to this function are incorrect
    |
    = note: expected reference `&_`
@@ -213,6 +233,10 @@ note: function defined here
    |
 LL | fn take_range(_r: &impl RangeBounds<i8>) {}
    |    ^^^^^^^^^^ -------------------------
+help: consider borrowing here
+   |
+LL |     take_range(&::std::ops::RangeToInclusive { end: 5 });
+   |                +
 
 error: aborting due to 12 previous errors
 
diff --git a/tests/ui/range/issue-54505-no-std.rs b/tests/ui/range/issue-54505-no-std.rs
index 9f378b4836e..db455fada3b 100644
--- a/tests/ui/range/issue-54505-no-std.rs
+++ b/tests/ui/range/issue-54505-no-std.rs
@@ -29,30 +29,30 @@ fn main() {
     take_range(0..1);
     //~^ ERROR mismatched types [E0308]
     //~| HELP consider borrowing here
-    //~| SUGGESTION &(0..1)
+    //~| SUGGESTION &(
 
     take_range(1..);
     //~^ ERROR mismatched types [E0308]
     //~| HELP consider borrowing here
-    //~| SUGGESTION &(1..)
+    //~| SUGGESTION &(
 
     take_range(..);
     //~^ ERROR mismatched types [E0308]
     //~| HELP consider borrowing here
-    //~| SUGGESTION &(..)
+    //~| SUGGESTION &(
 
     take_range(0..=1);
     //~^ ERROR mismatched types [E0308]
     //~| HELP consider borrowing here
-    //~| SUGGESTION &(0..=1)
+    //~| SUGGESTION &(
 
     take_range(..5);
     //~^ ERROR mismatched types [E0308]
     //~| HELP consider borrowing here
-    //~| SUGGESTION &(..5)
+    //~| SUGGESTION &(
 
     take_range(..=42);
     //~^ ERROR mismatched types [E0308]
     //~| HELP consider borrowing here
-    //~| SUGGESTION &(..=42)
+    //~| SUGGESTION &(
 }
diff --git a/tests/ui/range/issue-54505-no-std.stderr b/tests/ui/range/issue-54505-no-std.stderr
index a6a9f89da74..13563d1940c 100644
--- a/tests/ui/range/issue-54505-no-std.stderr
+++ b/tests/ui/range/issue-54505-no-std.stderr
@@ -14,10 +14,8 @@ error[E0308]: mismatched types
   --> $DIR/issue-54505-no-std.rs:29:16
    |
 LL |     take_range(0..1);
-   |     ---------- ^^^^
-   |     |          |
-   |     |          expected `&_`, found `Range<{integer}>`
-   |     |          help: consider borrowing here: `&(0..1)`
+   |     ---------- ^^^^ expected `&_`, found `Range<{integer}>`
+   |     |
    |     arguments to this function are incorrect
    |
    = note: expected reference `&_`
@@ -27,15 +25,17 @@ note: function defined here
    |
 LL | fn take_range(_r: &impl RangeBounds<i8>) {}
    |    ^^^^^^^^^^ -------------------------
+help: consider borrowing here
+   |
+LL |     take_range(&(0..1));
+   |                ++    +
 
 error[E0308]: mismatched types
   --> $DIR/issue-54505-no-std.rs:34:16
    |
 LL |     take_range(1..);
-   |     ---------- ^^^
-   |     |          |
-   |     |          expected `&_`, found `RangeFrom<{integer}>`
-   |     |          help: consider borrowing here: `&(1..)`
+   |     ---------- ^^^ expected `&_`, found `RangeFrom<{integer}>`
+   |     |
    |     arguments to this function are incorrect
    |
    = note: expected reference `&_`
@@ -45,15 +45,17 @@ note: function defined here
    |
 LL | fn take_range(_r: &impl RangeBounds<i8>) {}
    |    ^^^^^^^^^^ -------------------------
+help: consider borrowing here
+   |
+LL |     take_range(&(1..));
+   |                ++   +
 
 error[E0308]: mismatched types
   --> $DIR/issue-54505-no-std.rs:39:16
    |
 LL |     take_range(..);
-   |     ---------- ^^
-   |     |          |
-   |     |          expected `&_`, found `RangeFull`
-   |     |          help: consider borrowing here: `&(..)`
+   |     ---------- ^^ expected `&_`, found `RangeFull`
+   |     |
    |     arguments to this function are incorrect
    |
    = note: expected reference `&_`
@@ -63,15 +65,17 @@ note: function defined here
    |
 LL | fn take_range(_r: &impl RangeBounds<i8>) {}
    |    ^^^^^^^^^^ -------------------------
+help: consider borrowing here
+   |
+LL |     take_range(&(..));
+   |                ++  +
 
 error[E0308]: mismatched types
   --> $DIR/issue-54505-no-std.rs:44:16
    |
 LL |     take_range(0..=1);
-   |     ---------- ^^^^^
-   |     |          |
-   |     |          expected `&_`, found `RangeInclusive<{integer}>`
-   |     |          help: consider borrowing here: `&(0..=1)`
+   |     ---------- ^^^^^ expected `&_`, found `RangeInclusive<{integer}>`
+   |     |
    |     arguments to this function are incorrect
    |
    = note: expected reference `&_`
@@ -81,15 +85,17 @@ note: function defined here
    |
 LL | fn take_range(_r: &impl RangeBounds<i8>) {}
    |    ^^^^^^^^^^ -------------------------
+help: consider borrowing here
+   |
+LL |     take_range(&(0..=1));
+   |                ++     +
 
 error[E0308]: mismatched types
   --> $DIR/issue-54505-no-std.rs:49:16
    |
 LL |     take_range(..5);
-   |     ---------- ^^^
-   |     |          |
-   |     |          expected `&_`, found `RangeTo<{integer}>`
-   |     |          help: consider borrowing here: `&(..5)`
+   |     ---------- ^^^ expected `&_`, found `RangeTo<{integer}>`
+   |     |
    |     arguments to this function are incorrect
    |
    = note: expected reference `&_`
@@ -99,15 +105,17 @@ note: function defined here
    |
 LL | fn take_range(_r: &impl RangeBounds<i8>) {}
    |    ^^^^^^^^^^ -------------------------
+help: consider borrowing here
+   |
+LL |     take_range(&(..5));
+   |                ++   +
 
 error[E0308]: mismatched types
   --> $DIR/issue-54505-no-std.rs:54:16
    |
 LL |     take_range(..=42);
-   |     ---------- ^^^^^
-   |     |          |
-   |     |          expected `&_`, found `RangeToInclusive<{integer}>`
-   |     |          help: consider borrowing here: `&(..=42)`
+   |     ---------- ^^^^^ expected `&_`, found `RangeToInclusive<{integer}>`
+   |     |
    |     arguments to this function are incorrect
    |
    = note: expected reference `&_`
@@ -117,6 +125,10 @@ note: function defined here
    |
 LL | fn take_range(_r: &impl RangeBounds<i8>) {}
    |    ^^^^^^^^^^ -------------------------
+help: consider borrowing here
+   |
+LL |     take_range(&(..=42));
+   |                ++     +
 
 error: aborting due to 8 previous errors
 
diff --git a/tests/ui/range/issue-54505.fixed b/tests/ui/range/issue-54505.fixed
index f8298c0b5ce..9d113ba1d35 100644
--- a/tests/ui/range/issue-54505.fixed
+++ b/tests/ui/range/issue-54505.fixed
@@ -14,30 +14,30 @@ fn main() {
     take_range(&(0..1));
     //~^ ERROR mismatched types [E0308]
     //~| HELP consider borrowing here
-    //~| SUGGESTION &(0..1)
+    //~| SUGGESTION &(
 
     take_range(&(1..));
     //~^ ERROR mismatched types [E0308]
     //~| HELP consider borrowing here
-    //~| SUGGESTION &(1..)
+    //~| SUGGESTION &(
 
     take_range(&(..));
     //~^ ERROR mismatched types [E0308]
     //~| HELP consider borrowing here
-    //~| SUGGESTION &(..)
+    //~| SUGGESTION &(
 
     take_range(&(0..=1));
     //~^ ERROR mismatched types [E0308]
     //~| HELP consider borrowing here
-    //~| SUGGESTION &(0..=1)
+    //~| SUGGESTION &(
 
     take_range(&(..5));
     //~^ ERROR mismatched types [E0308]
     //~| HELP consider borrowing here
-    //~| SUGGESTION &(..5)
+    //~| SUGGESTION &(
 
     take_range(&(..=42));
     //~^ ERROR mismatched types [E0308]
     //~| HELP consider borrowing here
-    //~| SUGGESTION &(..=42)
+    //~| SUGGESTION &(
 }
diff --git a/tests/ui/range/issue-54505.rs b/tests/ui/range/issue-54505.rs
index 03673252dd3..c9929988fe5 100644
--- a/tests/ui/range/issue-54505.rs
+++ b/tests/ui/range/issue-54505.rs
@@ -14,30 +14,30 @@ fn main() {
     take_range(0..1);
     //~^ ERROR mismatched types [E0308]
     //~| HELP consider borrowing here
-    //~| SUGGESTION &(0..1)
+    //~| SUGGESTION &(
 
     take_range(1..);
     //~^ ERROR mismatched types [E0308]
     //~| HELP consider borrowing here
-    //~| SUGGESTION &(1..)
+    //~| SUGGESTION &(
 
     take_range(..);
     //~^ ERROR mismatched types [E0308]
     //~| HELP consider borrowing here
-    //~| SUGGESTION &(..)
+    //~| SUGGESTION &(
 
     take_range(0..=1);
     //~^ ERROR mismatched types [E0308]
     //~| HELP consider borrowing here
-    //~| SUGGESTION &(0..=1)
+    //~| SUGGESTION &(
 
     take_range(..5);
     //~^ ERROR mismatched types [E0308]
     //~| HELP consider borrowing here
-    //~| SUGGESTION &(..5)
+    //~| SUGGESTION &(
 
     take_range(..=42);
     //~^ ERROR mismatched types [E0308]
     //~| HELP consider borrowing here
-    //~| SUGGESTION &(..=42)
+    //~| SUGGESTION &(
 }
diff --git a/tests/ui/range/issue-54505.stderr b/tests/ui/range/issue-54505.stderr
index eda047b507a..0e959fc05e2 100644
--- a/tests/ui/range/issue-54505.stderr
+++ b/tests/ui/range/issue-54505.stderr
@@ -2,10 +2,8 @@ error[E0308]: mismatched types
   --> $DIR/issue-54505.rs:14:16
    |
 LL |     take_range(0..1);
-   |     ---------- ^^^^
-   |     |          |
-   |     |          expected `&_`, found `Range<{integer}>`
-   |     |          help: consider borrowing here: `&(0..1)`
+   |     ---------- ^^^^ expected `&_`, found `Range<{integer}>`
+   |     |
    |     arguments to this function are incorrect
    |
    = note: expected reference `&_`
@@ -15,15 +13,17 @@ note: function defined here
    |
 LL | fn take_range(_r: &impl RangeBounds<i8>) {}
    |    ^^^^^^^^^^ -------------------------
+help: consider borrowing here
+   |
+LL |     take_range(&(0..1));
+   |                ++    +
 
 error[E0308]: mismatched types
   --> $DIR/issue-54505.rs:19:16
    |
 LL |     take_range(1..);
-   |     ---------- ^^^
-   |     |          |
-   |     |          expected `&_`, found `RangeFrom<{integer}>`
-   |     |          help: consider borrowing here: `&(1..)`
+   |     ---------- ^^^ expected `&_`, found `RangeFrom<{integer}>`
+   |     |
    |     arguments to this function are incorrect
    |
    = note: expected reference `&_`
@@ -33,15 +33,17 @@ note: function defined here
    |
 LL | fn take_range(_r: &impl RangeBounds<i8>) {}
    |    ^^^^^^^^^^ -------------------------
+help: consider borrowing here
+   |
+LL |     take_range(&(1..));
+   |                ++   +
 
 error[E0308]: mismatched types
   --> $DIR/issue-54505.rs:24:16
    |
 LL |     take_range(..);
-   |     ---------- ^^
-   |     |          |
-   |     |          expected `&_`, found `RangeFull`
-   |     |          help: consider borrowing here: `&(..)`
+   |     ---------- ^^ expected `&_`, found `RangeFull`
+   |     |
    |     arguments to this function are incorrect
    |
    = note: expected reference `&_`
@@ -51,15 +53,17 @@ note: function defined here
    |
 LL | fn take_range(_r: &impl RangeBounds<i8>) {}
    |    ^^^^^^^^^^ -------------------------
+help: consider borrowing here
+   |
+LL |     take_range(&(..));
+   |                ++  +
 
 error[E0308]: mismatched types
   --> $DIR/issue-54505.rs:29:16
    |
 LL |     take_range(0..=1);
-   |     ---------- ^^^^^
-   |     |          |
-   |     |          expected `&_`, found `RangeInclusive<{integer}>`
-   |     |          help: consider borrowing here: `&(0..=1)`
+   |     ---------- ^^^^^ expected `&_`, found `RangeInclusive<{integer}>`
+   |     |
    |     arguments to this function are incorrect
    |
    = note: expected reference `&_`
@@ -69,15 +73,17 @@ note: function defined here
    |
 LL | fn take_range(_r: &impl RangeBounds<i8>) {}
    |    ^^^^^^^^^^ -------------------------
+help: consider borrowing here
+   |
+LL |     take_range(&(0..=1));
+   |                ++     +
 
 error[E0308]: mismatched types
   --> $DIR/issue-54505.rs:34:16
    |
 LL |     take_range(..5);
-   |     ---------- ^^^
-   |     |          |
-   |     |          expected `&_`, found `RangeTo<{integer}>`
-   |     |          help: consider borrowing here: `&(..5)`
+   |     ---------- ^^^ expected `&_`, found `RangeTo<{integer}>`
+   |     |
    |     arguments to this function are incorrect
    |
    = note: expected reference `&_`
@@ -87,15 +93,17 @@ note: function defined here
    |
 LL | fn take_range(_r: &impl RangeBounds<i8>) {}
    |    ^^^^^^^^^^ -------------------------
+help: consider borrowing here
+   |
+LL |     take_range(&(..5));
+   |                ++   +
 
 error[E0308]: mismatched types
   --> $DIR/issue-54505.rs:39:16
    |
 LL |     take_range(..=42);
-   |     ---------- ^^^^^
-   |     |          |
-   |     |          expected `&_`, found `RangeToInclusive<{integer}>`
-   |     |          help: consider borrowing here: `&(..=42)`
+   |     ---------- ^^^^^ expected `&_`, found `RangeToInclusive<{integer}>`
+   |     |
    |     arguments to this function are incorrect
    |
    = note: expected reference `&_`
@@ -105,6 +113,10 @@ note: function defined here
    |
 LL | fn take_range(_r: &impl RangeBounds<i8>) {}
    |    ^^^^^^^^^^ -------------------------
+help: consider borrowing here
+   |
+LL |     take_range(&(..=42));
+   |                ++     +
 
 error: aborting due to 6 previous errors
 
diff --git a/tests/ui/range/issue-73553-misinterp-range-literal.stderr b/tests/ui/range/issue-73553-misinterp-range-literal.stderr
index 77595b3678e..52efa241d0b 100644
--- a/tests/ui/range/issue-73553-misinterp-range-literal.stderr
+++ b/tests/ui/range/issue-73553-misinterp-range-literal.stderr
@@ -2,10 +2,8 @@ error[E0308]: mismatched types
   --> $DIR/issue-73553-misinterp-range-literal.rs:12:10
    |
 LL |     demo(tell(1)..tell(10));
-   |     ---- ^^^^^^^^^^^^^^^^^
-   |     |    |
-   |     |    expected `&Range<usize>`, found `Range<usize>`
-   |     |    help: consider borrowing here: `&(tell(1)..tell(10))`
+   |     ---- ^^^^^^^^^^^^^^^^^ expected `&Range<usize>`, found `Range<usize>`
+   |     |
    |     arguments to this function are incorrect
    |
    = note: expected reference `&std::ops::Range<usize>`
@@ -15,15 +13,17 @@ note: function defined here
    |
 LL | fn demo(r: &Range) {
    |    ^^^^ ---------
+help: consider borrowing here
+   |
+LL |     demo(&(tell(1)..tell(10)));
+   |          ++                 +
 
 error[E0308]: mismatched types
   --> $DIR/issue-73553-misinterp-range-literal.rs:14:10
    |
 LL |     demo(1..10);
-   |     ---- ^^^^^
-   |     |    |
-   |     |    expected `&Range<usize>`, found `Range<{integer}>`
-   |     |    help: consider borrowing here: `&(1..10)`
+   |     ---- ^^^^^ expected `&Range<usize>`, found `Range<{integer}>`
+   |     |
    |     arguments to this function are incorrect
    |
    = note: expected reference `&std::ops::Range<usize>`
@@ -33,6 +33,10 @@ note: function defined here
    |
 LL | fn demo(r: &Range) {
    |    ^^^^ ---------
+help: consider borrowing here
+   |
+LL |     demo(&(1..10));
+   |          ++     +
 
 error: aborting due to 2 previous errors
 
diff --git a/tests/ui/reachable/auxiliary/foreign-priv-aux.rs b/tests/ui/reachable/auxiliary/foreign-priv-aux.rs
new file mode 100644
index 00000000000..10dc0861461
--- /dev/null
+++ b/tests/ui/reachable/auxiliary/foreign-priv-aux.rs
@@ -0,0 +1,21 @@
+trait PrivTrait {
+    fn priv_fn(&self);
+}
+
+pub struct ImplPrivTrait;
+
+impl PrivTrait for ImplPrivTrait {
+    fn priv_fn(&self) {}
+}
+
+pub struct Wrapper<T>(T);
+
+pub trait PubTrait {
+    fn pub_fn(&self);
+}
+
+impl<T: PrivTrait> PubTrait for Wrapper<T> {
+    fn pub_fn(&self) {
+        self.0.priv_fn()
+    }
+}
diff --git a/tests/ui/reachable/foreign-priv.rs b/tests/ui/reachable/foreign-priv.rs
new file mode 100644
index 00000000000..bf336b6be7a
--- /dev/null
+++ b/tests/ui/reachable/foreign-priv.rs
@@ -0,0 +1,12 @@
+// aux-build:foreign-priv-aux.rs
+// build-pass
+
+#![crate_type = "lib"]
+
+extern crate foreign_priv_aux;
+
+use foreign_priv_aux::{ImplPrivTrait, PubTrait, Wrapper};
+
+pub fn foo(x: Wrapper<ImplPrivTrait>) {
+    x.pub_fn();
+}
diff --git a/tests/ui/issues/issue-948.rs b/tests/ui/reachable/issue-948.rs
index b9bbeb3951e..b9bbeb3951e 100644
--- a/tests/ui/issues/issue-948.rs
+++ b/tests/ui/reachable/issue-948.rs
diff --git a/tests/ui/recursion/recursive-requirements.stderr b/tests/ui/recursion/recursive-requirements.stderr
index 8ee154ce57b..bb63f7cd0dc 100644
--- a/tests/ui/recursion/recursive-requirements.stderr
+++ b/tests/ui/recursion/recursive-requirements.stderr
@@ -28,7 +28,8 @@ note: required because it appears within the type `Bar`
    |
 LL | pub struct Bar {
    |            ^^^
-   = note: required because it appears within the type `PhantomData<Bar>`
+note: required because it appears within the type `PhantomData<Bar>`
+  --> $SRC_DIR/core/src/marker.rs:LL:COL
 note: required because it appears within the type `Foo`
   --> $DIR/recursive-requirements.rs:5:12
    |
diff --git a/tests/ui/regions/type-param-outlives-reempty-issue-74429-2.rs b/tests/ui/regions/type-param-outlives-reempty-issue-74429-2.rs
index a65c17e0efc..5ae5ebb450e 100644
--- a/tests/ui/regions/type-param-outlives-reempty-issue-74429-2.rs
+++ b/tests/ui/regions/type-param-outlives-reempty-issue-74429-2.rs
@@ -55,11 +55,11 @@ where
 }
 
 pub fn x<T: Copy>(a: Array<T>) {
-    // drop just avoids a must_use warning
-    drop((0..1).filter(|_| true));
+    // _ just avoids a must_use warning
+    let _ = (0..1).filter(|_| true);
     let y = a.index_axis();
     a.axis_iter().for_each(|_| {
-        drop(y);
+        let _ = y;
     });
 }
 
diff --git a/tests/ui/regions/type-param-outlives-reempty-issue-74429.rs b/tests/ui/regions/type-param-outlives-reempty-issue-74429.rs
index d463f311c34..af2bb09805a 100644
--- a/tests/ui/regions/type-param-outlives-reempty-issue-74429.rs
+++ b/tests/ui/regions/type-param-outlives-reempty-issue-74429.rs
@@ -3,6 +3,8 @@
 
 // check-pass
 
+#![allow(drop_copy)]
+
 use std::marker::PhantomData;
 
 fn apply<T, F: FnOnce(T)>(_: T, _: F) {}
diff --git a/tests/ui/repr/invalid_repr_list_help.rs b/tests/ui/repr/invalid_repr_list_help.rs
index c320984536c..785ffb1e0f4 100644
--- a/tests/ui/repr/invalid_repr_list_help.rs
+++ b/tests/ui/repr/invalid_repr_list_help.rs
@@ -15,3 +15,8 @@ pub struct OwO3 {
 pub enum OwO4 {
     UwU = 1,
 }
+
+#[repr(uwu)] //~ERROR: unrecognized representation hint
+#[doc(owo)]  //~WARN: unknown `doc` attribute
+             //~^ WARN: this was previously
+pub struct Owo5;
diff --git a/tests/ui/repr/invalid_repr_list_help.stderr b/tests/ui/repr/invalid_repr_list_help.stderr
index 2acd56d9a32..48a6af3dd4c 100644
--- a/tests/ui/repr/invalid_repr_list_help.stderr
+++ b/tests/ui/repr/invalid_repr_list_help.stderr
@@ -30,6 +30,24 @@ LL | #[repr(uwu, u8)]
    |
    = help: valid reprs are `C`, `align`, `packed`, `transparent`, `simd`, `i8`, `u8`, `i16`, `u16`, `i32`, `u32`, `i64`, `u64`, `i128`, `u128`, `isize`, `usize`
 
-error: aborting due to 4 previous errors
+warning: unknown `doc` attribute `owo`
+  --> $DIR/invalid_repr_list_help.rs:20:7
+   |
+LL | #[doc(owo)]
+   |       ^^^
+   |
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #82730 <https://github.com/rust-lang/rust/issues/82730>
+   = note: `#[warn(invalid_doc_attributes)]` on by default
+
+error[E0552]: unrecognized representation hint
+  --> $DIR/invalid_repr_list_help.rs:19:8
+   |
+LL | #[repr(uwu)]
+   |        ^^^
+   |
+   = help: valid reprs are `C`, `align`, `packed`, `transparent`, `simd`, `i8`, `u8`, `i16`, `u16`, `i32`, `u32`, `i64`, `u64`, `i128`, `u128`, `isize`, `usize`
+
+error: aborting due to 5 previous errors; 1 warning emitted
 
 For more information about this error, try `rustc --explain E0552`.
diff --git a/tests/ui/resolve/explicit-self-lowercase-param.rs b/tests/ui/resolve/explicit-self-lowercase-param.rs
new file mode 100644
index 00000000000..7171bd8a42d
--- /dev/null
+++ b/tests/ui/resolve/explicit-self-lowercase-param.rs
@@ -0,0 +1,8 @@
+struct Foo;
+
+impl Foo {
+    fn do_nothing(self: Box<self>) {} //~ ERROR attempt to use a non-constant value in a constant
+    //~^ HELP try using `Self`
+}
+
+fn main() {}
diff --git a/tests/ui/resolve/explicit-self-lowercase-param.stderr b/tests/ui/resolve/explicit-self-lowercase-param.stderr
new file mode 100644
index 00000000000..cd64dbb3854
--- /dev/null
+++ b/tests/ui/resolve/explicit-self-lowercase-param.stderr
@@ -0,0 +1,8 @@
+error: attempt to use a non-constant value in a constant
+  --> $DIR/explicit-self-lowercase-param.rs:4:29
+   |
+LL |     fn do_nothing(self: Box<self>) {}
+   |                             ^^^^ help: try using `Self`
+
+error: aborting due to previous error
+
diff --git a/tests/ui/resolve/issue-109250.rs b/tests/ui/resolve/issue-109250.rs
new file mode 100644
index 00000000000..68e33f693ce
--- /dev/null
+++ b/tests/ui/resolve/issue-109250.rs
@@ -0,0 +1,3 @@
+fn main() {       //~ HELP consider importing
+    HashMap::new; //~ ERROR failed to resolve: use of undeclared type `HashMap`
+}
diff --git a/tests/ui/resolve/issue-109250.stderr b/tests/ui/resolve/issue-109250.stderr
new file mode 100644
index 00000000000..d5b8c08ced7
--- /dev/null
+++ b/tests/ui/resolve/issue-109250.stderr
@@ -0,0 +1,14 @@
+error[E0433]: failed to resolve: use of undeclared type `HashMap`
+  --> $DIR/issue-109250.rs:2:5
+   |
+LL |     HashMap::new;
+   |     ^^^^^^^ use of undeclared type `HashMap`
+   |
+help: consider importing this struct
+   |
+LL + use std::collections::HashMap;
+   |
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0433`.
diff --git a/tests/ui/resolve/issue-111312.rs b/tests/ui/resolve/issue-111312.rs
new file mode 100644
index 00000000000..acea37b358b
--- /dev/null
+++ b/tests/ui/resolve/issue-111312.rs
@@ -0,0 +1,11 @@
+// edition: 2021
+
+trait Has {
+    fn has() {}
+}
+
+trait HasNot {}
+
+fn main() {
+    HasNot::has(); //~ ERROR
+}
diff --git a/tests/ui/resolve/issue-111312.stderr b/tests/ui/resolve/issue-111312.stderr
new file mode 100644
index 00000000000..4c864029c98
--- /dev/null
+++ b/tests/ui/resolve/issue-111312.stderr
@@ -0,0 +1,15 @@
+error[E0599]: no function or associated item named `has` found for trait `HasNot`
+  --> $DIR/issue-111312.rs:10:13
+   |
+LL |     HasNot::has();
+   |             ^^^ function or associated item not found in `HasNot`
+   |
+note: `Has` defines an item `has`
+  --> $DIR/issue-111312.rs:3:1
+   |
+LL | trait Has {
+   | ^^^^^^^^^
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0599`.
diff --git a/tests/ui/issues/issue-3099-a.rs b/tests/ui/resolve/issue-3099-a.rs
index 9c3d8cf5a55..9c3d8cf5a55 100644
--- a/tests/ui/issues/issue-3099-a.rs
+++ b/tests/ui/resolve/issue-3099-a.rs
diff --git a/tests/ui/issues/issue-3099-a.stderr b/tests/ui/resolve/issue-3099-a.stderr
index e3733cebba5..e3733cebba5 100644
--- a/tests/ui/issues/issue-3099-a.stderr
+++ b/tests/ui/resolve/issue-3099-a.stderr
diff --git a/tests/ui/issues/issue-3099-b.rs b/tests/ui/resolve/issue-3099-b.rs
index 71952c3b060..71952c3b060 100644
--- a/tests/ui/issues/issue-3099-b.rs
+++ b/tests/ui/resolve/issue-3099-b.rs
diff --git a/tests/ui/issues/issue-3099-b.stderr b/tests/ui/resolve/issue-3099-b.stderr
index c0cfefeb940..c0cfefeb940 100644
--- a/tests/ui/issues/issue-3099-b.stderr
+++ b/tests/ui/resolve/issue-3099-b.stderr
diff --git a/tests/ui/resolve/issue-50599.rs b/tests/ui/resolve/issue-50599.rs
index 72238a59198..00588735b9a 100644
--- a/tests/ui/resolve/issue-50599.rs
+++ b/tests/ui/resolve/issue-50599.rs
@@ -2,5 +2,4 @@ fn main() {
     const N: u32 = 1_000;
     const M: usize = (f64::from(N) * std::f64::LOG10_2) as usize; //~ ERROR cannot find value
     let mut digits = [0u32; M];
-    //~^ constant
 }
diff --git a/tests/ui/resolve/issue-50599.stderr b/tests/ui/resolve/issue-50599.stderr
index d7419b64fac..d58b6ca5b5c 100644
--- a/tests/ui/resolve/issue-50599.stderr
+++ b/tests/ui/resolve/issue-50599.stderr
@@ -16,12 +16,6 @@ LL -     const M: usize = (f64::from(N) * std::f64::LOG10_2) as usize;
 LL +     const M: usize = (f64::from(N) * LOG10_2) as usize;
    |
 
-note: erroneous constant used
-  --> $DIR/issue-50599.rs:4:29
-   |
-LL |     let mut digits = [0u32; M];
-   |                             ^
-
 error: aborting due to previous error
 
 For more information about this error, try `rustc --explain E0425`.
diff --git a/tests/ui/resolve/resolve-variant-assoc-item.stderr b/tests/ui/resolve/resolve-variant-assoc-item.stderr
index 4be1019968b..ed157197d17 100644
--- a/tests/ui/resolve/resolve-variant-assoc-item.stderr
+++ b/tests/ui/resolve/resolve-variant-assoc-item.stderr
@@ -3,12 +3,26 @@ error[E0433]: failed to resolve: `V` is a variant, not a module
    |
 LL |     E::V::associated_item;
    |        ^ `V` is a variant, not a module
+   |
+help: there is an enum variant `E::V`; try using the variant's enum
+   |
+LL |     E;
+   |     ~
 
 error[E0433]: failed to resolve: `V` is a variant, not a module
   --> $DIR/resolve-variant-assoc-item.rs:6:5
    |
 LL |     V::associated_item;
    |     ^ `V` is a variant, not a module
+   |
+help: there is an enum variant `E::V`; try using the variant's enum
+   |
+LL |     E;
+   |     ~
+help: an enum with a similar name exists
+   |
+LL |     E::associated_item;
+   |     ~
 
 error: aborting due to 2 previous errors
 
diff --git a/tests/ui/rfc-2008-non-exhaustive/borrowck-exhaustive.rs b/tests/ui/rfc-2008-non-exhaustive/borrowck-exhaustive.rs
index be775b37f7b..8f45b989f13 100644
--- a/tests/ui/rfc-2008-non-exhaustive/borrowck-exhaustive.rs
+++ b/tests/ui/rfc-2008-non-exhaustive/borrowck-exhaustive.rs
@@ -3,6 +3,8 @@
 
 // check-pass
 
+#![allow(drop_ref)]
+
 // aux-build:monovariants.rs
 extern crate monovariants;
 
diff --git a/tests/ui/rfc-2361-dbg-macro/dbg-macro-expected-behavior.rs b/tests/ui/rfc-2361-dbg-macro/dbg-macro-expected-behavior.rs
index 04d924a9aed..4c1562790d5 100644
--- a/tests/ui/rfc-2361-dbg-macro/dbg-macro-expected-behavior.rs
+++ b/tests/ui/rfc-2361-dbg-macro/dbg-macro-expected-behavior.rs
@@ -4,6 +4,8 @@
 // Tests ensuring that `dbg!(expr)` has the expected run-time behavior.
 // as well as some compile time properties we expect.
 
+#![allow(drop_copy)]
+
 #[derive(Copy, Clone, Debug)]
 struct Unit;
 
diff --git a/tests/ui/rfc-2361-dbg-macro/dbg-macro-expected-behavior.run.stderr b/tests/ui/rfc-2361-dbg-macro/dbg-macro-expected-behavior.run.stderr
index 49d72158e92..a20a6062c13 100644
--- a/tests/ui/rfc-2361-dbg-macro/dbg-macro-expected-behavior.run.stderr
+++ b/tests/ui/rfc-2361-dbg-macro/dbg-macro-expected-behavior.run.stderr
@@ -1,28 +1,28 @@
-[$DIR/dbg-macro-expected-behavior.rs:20] Unit = Unit
-[$DIR/dbg-macro-expected-behavior.rs:21] a = Unit
-[$DIR/dbg-macro-expected-behavior.rs:27] Point { x: 42, y: 24 } = Point {
+[$DIR/dbg-macro-expected-behavior.rs:22] Unit = Unit
+[$DIR/dbg-macro-expected-behavior.rs:23] a = Unit
+[$DIR/dbg-macro-expected-behavior.rs:29] Point { x: 42, y: 24 } = Point {
     x: 42,
     y: 24,
 }
-[$DIR/dbg-macro-expected-behavior.rs:28] b = Point {
+[$DIR/dbg-macro-expected-behavior.rs:30] b = Point {
     x: 42,
     y: 24,
 }
-[$DIR/dbg-macro-expected-behavior.rs:36]
-[$DIR/dbg-macro-expected-behavior.rs:40] &a = NoCopy(
+[$DIR/dbg-macro-expected-behavior.rs:38]
+[$DIR/dbg-macro-expected-behavior.rs:42] &a = NoCopy(
     1337,
 )
-[$DIR/dbg-macro-expected-behavior.rs:40] dbg!(& a) = NoCopy(
+[$DIR/dbg-macro-expected-behavior.rs:42] dbg!(& a) = NoCopy(
     1337,
 )
-[$DIR/dbg-macro-expected-behavior.rs:45] f(&42) = 42
+[$DIR/dbg-macro-expected-behavior.rs:47] f(&42) = 42
 before
-[$DIR/dbg-macro-expected-behavior.rs:50] { foo += 1; eprintln!("before"); 7331 } = 7331
-[$DIR/dbg-macro-expected-behavior.rs:58] ("Yeah",) = (
+[$DIR/dbg-macro-expected-behavior.rs:52] { foo += 1; eprintln!("before"); 7331 } = 7331
+[$DIR/dbg-macro-expected-behavior.rs:60] ("Yeah",) = (
     "Yeah",
 )
-[$DIR/dbg-macro-expected-behavior.rs:61] 1 = 1
-[$DIR/dbg-macro-expected-behavior.rs:61] 2 = 2
-[$DIR/dbg-macro-expected-behavior.rs:65] 1u8 = 1
-[$DIR/dbg-macro-expected-behavior.rs:65] 2u32 = 2
-[$DIR/dbg-macro-expected-behavior.rs:65] "Yeah" = "Yeah"
+[$DIR/dbg-macro-expected-behavior.rs:63] 1 = 1
+[$DIR/dbg-macro-expected-behavior.rs:63] 2 = 2
+[$DIR/dbg-macro-expected-behavior.rs:67] 1u8 = 1
+[$DIR/dbg-macro-expected-behavior.rs:67] 2u32 = 2
+[$DIR/dbg-macro-expected-behavior.rs:67] "Yeah" = "Yeah"
diff --git a/tests/ui/rfc-2627-raw-dylib/dlltool-failed.rs b/tests/ui/rfc-2627-raw-dylib/dlltool-failed.rs
new file mode 100644
index 00000000000..d7a418959bf
--- /dev/null
+++ b/tests/ui/rfc-2627-raw-dylib/dlltool-failed.rs
@@ -0,0 +1,19 @@
+// Tests that dlltool failing to generate an import library will raise an error.
+
+// only-gnu
+// only-windows
+// needs-dlltool
+// compile-flags: --crate-type lib --emit link
+// normalize-stderr-test: "[^ ']*/dlltool.exe" -> "$$DLLTOOL"
+// normalize-stderr-test: "[^ ]*/foo.def" -> "$$DEF_FILE"
+#[link(name = "foo", kind = "raw-dylib")]
+extern "C" {
+    // `@1` is an invalid name to export, as it usually indicates that something
+    // is being exported via ordinal.
+    #[link_name = "@1"]
+    fn f(x: i32);
+}
+
+pub fn lib_main() {
+    unsafe { f(42); }
+}
diff --git a/tests/ui/rfc-2627-raw-dylib/dlltool-failed.stderr b/tests/ui/rfc-2627-raw-dylib/dlltool-failed.stderr
new file mode 100644
index 00000000000..020ac6a2b67
--- /dev/null
+++ b/tests/ui/rfc-2627-raw-dylib/dlltool-failed.stderr
@@ -0,0 +1,5 @@
+error: Dlltool could not create import library: 
+       $DLLTOOL: Syntax error in def file $DEF_FILE:1
+
+error: aborting due to previous error
+
diff --git a/tests/ui/rfc-2627-raw-dylib/import-name-type-invalid-format.rs b/tests/ui/rfc-2627-raw-dylib/import-name-type-invalid-format.rs
index 22d57f8bedd..7bc44d65be9 100644
--- a/tests/ui/rfc-2627-raw-dylib/import-name-type-invalid-format.rs
+++ b/tests/ui/rfc-2627-raw-dylib/import-name-type-invalid-format.rs
@@ -1,7 +1,5 @@
 // only-windows
 // only-x86
-#![feature(raw_dylib)]
-
 #[link(name = "foo", kind = "raw-dylib", import_name_type = 6)]
 //~^ ERROR import name type must be of the form `import_name_type = "string"`
 extern "C" { }
diff --git a/tests/ui/rfc-2627-raw-dylib/import-name-type-invalid-format.stderr b/tests/ui/rfc-2627-raw-dylib/import-name-type-invalid-format.stderr
index 0e95fec29d2..fb70b987fc7 100644
--- a/tests/ui/rfc-2627-raw-dylib/import-name-type-invalid-format.stderr
+++ b/tests/ui/rfc-2627-raw-dylib/import-name-type-invalid-format.stderr
@@ -1,5 +1,5 @@
 error: import name type must be of the form `import_name_type = "string"`
-  --> $DIR/import-name-type-invalid-format.rs:5:42
+  --> $DIR/import-name-type-invalid-format.rs:3:42
    |
 LL | #[link(name = "foo", kind = "raw-dylib", import_name_type = 6)]
    |                                          ^^^^^^^^^^^^^^^^^^^^
diff --git a/tests/ui/rfc-2627-raw-dylib/import-name-type-multiple.rs b/tests/ui/rfc-2627-raw-dylib/import-name-type-multiple.rs
index 7ccb0082fb9..b96f61a26da 100644
--- a/tests/ui/rfc-2627-raw-dylib/import-name-type-multiple.rs
+++ b/tests/ui/rfc-2627-raw-dylib/import-name-type-multiple.rs
@@ -1,8 +1,6 @@
 // ignore-tidy-linelength
 // only-windows
 // only-x86
-#![feature(raw_dylib)]
-
 #[link(name = "foo", kind = "raw-dylib", import_name_type = "decorated", import_name_type = "decorated")]
 //~^ ERROR multiple `import_name_type` arguments in a single `#[link]` attribute
 extern "C" { }
diff --git a/tests/ui/rfc-2627-raw-dylib/import-name-type-multiple.stderr b/tests/ui/rfc-2627-raw-dylib/import-name-type-multiple.stderr
index 7c0e0be911f..9533061892f 100644
--- a/tests/ui/rfc-2627-raw-dylib/import-name-type-multiple.stderr
+++ b/tests/ui/rfc-2627-raw-dylib/import-name-type-multiple.stderr
@@ -1,5 +1,5 @@
 error: multiple `import_name_type` arguments in a single `#[link]` attribute
-  --> $DIR/import-name-type-multiple.rs:6:74
+  --> $DIR/import-name-type-multiple.rs:4:74
    |
 LL | #[link(name = "foo", kind = "raw-dylib", import_name_type = "decorated", import_name_type = "decorated")]
    |                                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
diff --git a/tests/ui/rfc-2627-raw-dylib/import-name-type-unknown-value.rs b/tests/ui/rfc-2627-raw-dylib/import-name-type-unknown-value.rs
index f728a578d3b..067e82a17fd 100644
--- a/tests/ui/rfc-2627-raw-dylib/import-name-type-unknown-value.rs
+++ b/tests/ui/rfc-2627-raw-dylib/import-name-type-unknown-value.rs
@@ -1,7 +1,5 @@
 // only-windows
 // only-x86
-#![feature(raw_dylib)]
-
 #[link(name = "foo", kind = "raw-dylib", import_name_type = "unknown")]
 //~^ ERROR unknown import name type `unknown`, expected one of: decorated, noprefix, undecorated
 extern "C" { }
diff --git a/tests/ui/rfc-2627-raw-dylib/import-name-type-unknown-value.stderr b/tests/ui/rfc-2627-raw-dylib/import-name-type-unknown-value.stderr
index 2b299f2fea3..2bce9758e99 100644
--- a/tests/ui/rfc-2627-raw-dylib/import-name-type-unknown-value.stderr
+++ b/tests/ui/rfc-2627-raw-dylib/import-name-type-unknown-value.stderr
@@ -1,5 +1,5 @@
 error: unknown import name type `unknown`, expected one of: decorated, noprefix, undecorated
-  --> $DIR/import-name-type-unknown-value.rs:5:42
+  --> $DIR/import-name-type-unknown-value.rs:3:42
    |
 LL | #[link(name = "foo", kind = "raw-dylib", import_name_type = "unknown")]
    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
diff --git a/tests/ui/rfc-2627-raw-dylib/import-name-type-unsupported-link-kind.rs b/tests/ui/rfc-2627-raw-dylib/import-name-type-unsupported-link-kind.rs
index ae9207864a2..34e907bde83 100644
--- a/tests/ui/rfc-2627-raw-dylib/import-name-type-unsupported-link-kind.rs
+++ b/tests/ui/rfc-2627-raw-dylib/import-name-type-unsupported-link-kind.rs
@@ -1,7 +1,5 @@
 // only-windows
 // only-x86
-#![feature(raw_dylib)]
-
 #[link(name = "foo", import_name_type = "decorated")]
 //~^ ERROR import name type can only be used with link kind `raw-dylib`
 extern "C" { }
diff --git a/tests/ui/rfc-2627-raw-dylib/import-name-type-unsupported-link-kind.stderr b/tests/ui/rfc-2627-raw-dylib/import-name-type-unsupported-link-kind.stderr
index 5898cd875a1..75cadc471c4 100644
--- a/tests/ui/rfc-2627-raw-dylib/import-name-type-unsupported-link-kind.stderr
+++ b/tests/ui/rfc-2627-raw-dylib/import-name-type-unsupported-link-kind.stderr
@@ -1,11 +1,11 @@
 error: import name type can only be used with link kind `raw-dylib`
-  --> $DIR/import-name-type-unsupported-link-kind.rs:5:22
+  --> $DIR/import-name-type-unsupported-link-kind.rs:3:22
    |
 LL | #[link(name = "foo", import_name_type = "decorated")]
    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error: import name type can only be used with link kind `raw-dylib`
-  --> $DIR/import-name-type-unsupported-link-kind.rs:9:39
+  --> $DIR/import-name-type-unsupported-link-kind.rs:7:39
    |
 LL | #[link(name = "bar", kind = "static", import_name_type = "decorated")]
    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
diff --git a/tests/ui/rfc-2627-raw-dylib/invalid-dlltool.rs b/tests/ui/rfc-2627-raw-dylib/invalid-dlltool.rs
new file mode 100644
index 00000000000..a07be9d92b4
--- /dev/null
+++ b/tests/ui/rfc-2627-raw-dylib/invalid-dlltool.rs
@@ -0,0 +1,13 @@
+// Tests that failing to run dlltool will raise an error.
+
+// only-gnu
+// only-windows
+// compile-flags: --crate-type lib --emit link -Cdlltool=does_not_exit.exe
+#[link(name = "foo", kind = "raw-dylib")]
+extern "C" {
+    fn f(x: i32);
+}
+
+pub fn lib_main() {
+    unsafe { f(42); }
+}
diff --git a/tests/ui/rfc-2627-raw-dylib/invalid-dlltool.stderr b/tests/ui/rfc-2627-raw-dylib/invalid-dlltool.stderr
new file mode 100644
index 00000000000..3ae901e0dbc
--- /dev/null
+++ b/tests/ui/rfc-2627-raw-dylib/invalid-dlltool.stderr
@@ -0,0 +1,4 @@
+error: Error calling dlltool 'does_not_exit.exe': program not found
+
+error: aborting due to previous error
+
diff --git a/tests/ui/rfc-2627-raw-dylib/link-ordinal-and-name.rs b/tests/ui/rfc-2627-raw-dylib/link-ordinal-and-name.rs
index 1a128c87a0c..b04c2facbcd 100644
--- a/tests/ui/rfc-2627-raw-dylib/link-ordinal-and-name.rs
+++ b/tests/ui/rfc-2627-raw-dylib/link-ordinal-and-name.rs
@@ -1,5 +1,3 @@
-#![cfg_attr(target_arch = "x86", feature(raw_dylib))]
-
 #[link(name="foo")]
 extern "C" {
     #[link_name="foo"]
diff --git a/tests/ui/rfc-2627-raw-dylib/link-ordinal-and-name.stderr b/tests/ui/rfc-2627-raw-dylib/link-ordinal-and-name.stderr
index 481a06d2797..f1e54d37827 100644
--- a/tests/ui/rfc-2627-raw-dylib/link-ordinal-and-name.stderr
+++ b/tests/ui/rfc-2627-raw-dylib/link-ordinal-and-name.stderr
@@ -1,11 +1,11 @@
 error: cannot use `#[link_name]` with `#[link_ordinal]`
-  --> $DIR/link-ordinal-and-name.rs:6:5
+  --> $DIR/link-ordinal-and-name.rs:4:5
    |
 LL |     #[link_ordinal(42)]
    |     ^^^^^^^^^^^^^^^^^^^
 
 error: cannot use `#[link_name]` with `#[link_ordinal]`
-  --> $DIR/link-ordinal-and-name.rs:10:5
+  --> $DIR/link-ordinal-and-name.rs:8:5
    |
 LL |     #[link_ordinal(5)]
    |     ^^^^^^^^^^^^^^^^^^
diff --git a/tests/ui/rfc-2627-raw-dylib/link-ordinal-invalid-format.rs b/tests/ui/rfc-2627-raw-dylib/link-ordinal-invalid-format.rs
index 7c8da050cf6..9b7e8d70743 100644
--- a/tests/ui/rfc-2627-raw-dylib/link-ordinal-invalid-format.rs
+++ b/tests/ui/rfc-2627-raw-dylib/link-ordinal-invalid-format.rs
@@ -1,5 +1,3 @@
-#![cfg_attr(target_arch = "x86", feature(raw_dylib))]
-
 #[link(name = "foo")]
 extern "C" {
     #[link_ordinal("JustMonika")]
diff --git a/tests/ui/rfc-2627-raw-dylib/link-ordinal-invalid-format.stderr b/tests/ui/rfc-2627-raw-dylib/link-ordinal-invalid-format.stderr
index 55cdcad75a4..6341e57a0be 100644
--- a/tests/ui/rfc-2627-raw-dylib/link-ordinal-invalid-format.stderr
+++ b/tests/ui/rfc-2627-raw-dylib/link-ordinal-invalid-format.stderr
@@ -1,5 +1,5 @@
 error: illegal ordinal format in `link_ordinal`
-  --> $DIR/link-ordinal-invalid-format.rs:5:5
+  --> $DIR/link-ordinal-invalid-format.rs:3:5
    |
 LL |     #[link_ordinal("JustMonika")]
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -7,7 +7,7 @@ LL |     #[link_ordinal("JustMonika")]
    = note: an unsuffixed integer value, e.g., `1`, is expected
 
 error: illegal ordinal format in `link_ordinal`
-  --> $DIR/link-ordinal-invalid-format.rs:8:5
+  --> $DIR/link-ordinal-invalid-format.rs:6:5
    |
 LL |     #[link_ordinal("JustMonika")]
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
diff --git a/tests/ui/rfc-2627-raw-dylib/link-ordinal-missing-argument.rs b/tests/ui/rfc-2627-raw-dylib/link-ordinal-missing-argument.rs
index 9feed394110..6b8cd49566d 100644
--- a/tests/ui/rfc-2627-raw-dylib/link-ordinal-missing-argument.rs
+++ b/tests/ui/rfc-2627-raw-dylib/link-ordinal-missing-argument.rs
@@ -1,5 +1,3 @@
-#![cfg_attr(target_arch = "x86", feature(raw_dylib))]
-
 #[link(name = "foo")]
 extern "C" {
     #[link_ordinal()]
diff --git a/tests/ui/rfc-2627-raw-dylib/link-ordinal-missing-argument.stderr b/tests/ui/rfc-2627-raw-dylib/link-ordinal-missing-argument.stderr
index 853cdad8c1c..1b04bb228e7 100644
--- a/tests/ui/rfc-2627-raw-dylib/link-ordinal-missing-argument.stderr
+++ b/tests/ui/rfc-2627-raw-dylib/link-ordinal-missing-argument.stderr
@@ -1,5 +1,5 @@
 error: incorrect number of arguments to `#[link_ordinal]`
-  --> $DIR/link-ordinal-missing-argument.rs:5:5
+  --> $DIR/link-ordinal-missing-argument.rs:3:5
    |
 LL |     #[link_ordinal()]
    |     ^^^^^^^^^^^^^^^^^
@@ -7,7 +7,7 @@ LL |     #[link_ordinal()]
    = note: the attribute requires exactly one argument
 
 error: incorrect number of arguments to `#[link_ordinal]`
-  --> $DIR/link-ordinal-missing-argument.rs:8:5
+  --> $DIR/link-ordinal-missing-argument.rs:6:5
    |
 LL |     #[link_ordinal()]
    |     ^^^^^^^^^^^^^^^^^
diff --git a/tests/ui/rfc-2627-raw-dylib/link-ordinal-multiple.rs b/tests/ui/rfc-2627-raw-dylib/link-ordinal-multiple.rs
index 631c363d4ba..8842cb94404 100644
--- a/tests/ui/rfc-2627-raw-dylib/link-ordinal-multiple.rs
+++ b/tests/ui/rfc-2627-raw-dylib/link-ordinal-multiple.rs
@@ -1,6 +1,4 @@
 // only-windows
-#![cfg_attr(target_arch = "x86", feature(raw_dylib))]
-
 #[link(name = "foo", kind = "raw-dylib")]
 extern "C" {
     #[link_ordinal(1)] //~ ERROR multiple `link_ordinal` attributes
diff --git a/tests/ui/rfc-2627-raw-dylib/link-ordinal-multiple.stderr b/tests/ui/rfc-2627-raw-dylib/link-ordinal-multiple.stderr
index c0453d2bf01..2e6cf3761c2 100644
--- a/tests/ui/rfc-2627-raw-dylib/link-ordinal-multiple.stderr
+++ b/tests/ui/rfc-2627-raw-dylib/link-ordinal-multiple.stderr
@@ -1,23 +1,23 @@
 error: multiple `link_ordinal` attributes
-  --> $DIR/link-ordinal-multiple.rs:6:5
+  --> $DIR/link-ordinal-multiple.rs:4:5
    |
 LL |     #[link_ordinal(1)]
    |     ^^^^^^^^^^^^^^^^^^ help: remove this attribute
    |
 note: attribute also specified here
-  --> $DIR/link-ordinal-multiple.rs:7:5
+  --> $DIR/link-ordinal-multiple.rs:5:5
    |
 LL |     #[link_ordinal(2)]
    |     ^^^^^^^^^^^^^^^^^^
 
 error: multiple `link_ordinal` attributes
-  --> $DIR/link-ordinal-multiple.rs:9:5
+  --> $DIR/link-ordinal-multiple.rs:7:5
    |
 LL |     #[link_ordinal(1)]
    |     ^^^^^^^^^^^^^^^^^^ help: remove this attribute
    |
 note: attribute also specified here
-  --> $DIR/link-ordinal-multiple.rs:10:5
+  --> $DIR/link-ordinal-multiple.rs:8:5
    |
 LL |     #[link_ordinal(2)]
    |     ^^^^^^^^^^^^^^^^^^
diff --git a/tests/ui/rfc-2627-raw-dylib/link-ordinal-not-foreign-fn.rs b/tests/ui/rfc-2627-raw-dylib/link-ordinal-not-foreign-fn.rs
index 54e614164b3..f33a3d62e26 100644
--- a/tests/ui/rfc-2627-raw-dylib/link-ordinal-not-foreign-fn.rs
+++ b/tests/ui/rfc-2627-raw-dylib/link-ordinal-not-foreign-fn.rs
@@ -1,5 +1,3 @@
-#![cfg_attr(target_arch = "x86", feature(raw_dylib))]
-
 #[link_ordinal(123)]
 //~^ ERROR attribute should be applied to a foreign function or static
 struct Foo {}
diff --git a/tests/ui/rfc-2627-raw-dylib/link-ordinal-not-foreign-fn.stderr b/tests/ui/rfc-2627-raw-dylib/link-ordinal-not-foreign-fn.stderr
index ec4104fbe50..8f279508720 100644
--- a/tests/ui/rfc-2627-raw-dylib/link-ordinal-not-foreign-fn.stderr
+++ b/tests/ui/rfc-2627-raw-dylib/link-ordinal-not-foreign-fn.stderr
@@ -1,17 +1,17 @@
 error: attribute should be applied to a foreign function or static
-  --> $DIR/link-ordinal-not-foreign-fn.rs:3:1
+  --> $DIR/link-ordinal-not-foreign-fn.rs:1:1
    |
 LL | #[link_ordinal(123)]
    | ^^^^^^^^^^^^^^^^^^^^
 
 error: attribute should be applied to a foreign function or static
-  --> $DIR/link-ordinal-not-foreign-fn.rs:7:1
+  --> $DIR/link-ordinal-not-foreign-fn.rs:5:1
    |
 LL | #[link_ordinal(123)]
    | ^^^^^^^^^^^^^^^^^^^^
 
 error: attribute should be applied to a foreign function or static
-  --> $DIR/link-ordinal-not-foreign-fn.rs:11:1
+  --> $DIR/link-ordinal-not-foreign-fn.rs:9:1
    |
 LL | #[link_ordinal(42)]
    | ^^^^^^^^^^^^^^^^^^^
diff --git a/tests/ui/rfc-2627-raw-dylib/link-ordinal-too-large.rs b/tests/ui/rfc-2627-raw-dylib/link-ordinal-too-large.rs
index 46731581ebc..9d741630fc9 100644
--- a/tests/ui/rfc-2627-raw-dylib/link-ordinal-too-large.rs
+++ b/tests/ui/rfc-2627-raw-dylib/link-ordinal-too-large.rs
@@ -1,5 +1,3 @@
-#![cfg_attr(target_arch = "x86", feature(raw_dylib))]
-
 #[link(name = "foo")]
 extern "C" {
     #[link_ordinal(72436)]
diff --git a/tests/ui/rfc-2627-raw-dylib/link-ordinal-too-large.stderr b/tests/ui/rfc-2627-raw-dylib/link-ordinal-too-large.stderr
index fef6de6aedf..811145e77ee 100644
--- a/tests/ui/rfc-2627-raw-dylib/link-ordinal-too-large.stderr
+++ b/tests/ui/rfc-2627-raw-dylib/link-ordinal-too-large.stderr
@@ -1,5 +1,5 @@
 error: ordinal value in `link_ordinal` is too large: `72436`
-  --> $DIR/link-ordinal-too-large.rs:5:5
+  --> $DIR/link-ordinal-too-large.rs:3:5
    |
 LL |     #[link_ordinal(72436)]
    |     ^^^^^^^^^^^^^^^^^^^^^^
@@ -7,7 +7,7 @@ LL |     #[link_ordinal(72436)]
    = note: the value may not exceed `u16::MAX`
 
 error: ordinal value in `link_ordinal` is too large: `72436`
-  --> $DIR/link-ordinal-too-large.rs:8:5
+  --> $DIR/link-ordinal-too-large.rs:6:5
    |
 LL |     #[link_ordinal(72436)]
    |     ^^^^^^^^^^^^^^^^^^^^^^
diff --git a/tests/ui/rfc-2627-raw-dylib/link-ordinal-too-many-arguments.rs b/tests/ui/rfc-2627-raw-dylib/link-ordinal-too-many-arguments.rs
index 71e0ac9f3ee..9988115fd8b 100644
--- a/tests/ui/rfc-2627-raw-dylib/link-ordinal-too-many-arguments.rs
+++ b/tests/ui/rfc-2627-raw-dylib/link-ordinal-too-many-arguments.rs
@@ -1,5 +1,3 @@
-#![cfg_attr(target_arch = "x86", feature(raw_dylib))]
-
 #[link(name = "foo")]
 extern "C" {
     #[link_ordinal(3, 4)]
diff --git a/tests/ui/rfc-2627-raw-dylib/link-ordinal-too-many-arguments.stderr b/tests/ui/rfc-2627-raw-dylib/link-ordinal-too-many-arguments.stderr
index 7e0fcd845cb..d5ce8aff34f 100644
--- a/tests/ui/rfc-2627-raw-dylib/link-ordinal-too-many-arguments.stderr
+++ b/tests/ui/rfc-2627-raw-dylib/link-ordinal-too-many-arguments.stderr
@@ -1,5 +1,5 @@
 error: incorrect number of arguments to `#[link_ordinal]`
-  --> $DIR/link-ordinal-too-many-arguments.rs:5:5
+  --> $DIR/link-ordinal-too-many-arguments.rs:3:5
    |
 LL |     #[link_ordinal(3, 4)]
    |     ^^^^^^^^^^^^^^^^^^^^^
@@ -7,7 +7,7 @@ LL |     #[link_ordinal(3, 4)]
    = note: the attribute requires exactly one argument
 
 error: incorrect number of arguments to `#[link_ordinal]`
-  --> $DIR/link-ordinal-too-many-arguments.rs:8:5
+  --> $DIR/link-ordinal-too-many-arguments.rs:6:5
    |
 LL |     #[link_ordinal(3, 4)]
    |     ^^^^^^^^^^^^^^^^^^^^^
diff --git a/tests/ui/rfc-2627-raw-dylib/link-ordinal-unsupported-link-kind.rs b/tests/ui/rfc-2627-raw-dylib/link-ordinal-unsupported-link-kind.rs
index 329c93fc196..14e915d602a 100644
--- a/tests/ui/rfc-2627-raw-dylib/link-ordinal-unsupported-link-kind.rs
+++ b/tests/ui/rfc-2627-raw-dylib/link-ordinal-unsupported-link-kind.rs
@@ -1,5 +1,3 @@
-#![cfg_attr(target_arch = "x86", feature(raw_dylib))]
-
 #[link(name = "foo")]
 extern "C" {
     #[link_ordinal(3)]
diff --git a/tests/ui/rfc-2627-raw-dylib/link-ordinal-unsupported-link-kind.stderr b/tests/ui/rfc-2627-raw-dylib/link-ordinal-unsupported-link-kind.stderr
index 5fbffbda570..200b8f62874 100644
--- a/tests/ui/rfc-2627-raw-dylib/link-ordinal-unsupported-link-kind.stderr
+++ b/tests/ui/rfc-2627-raw-dylib/link-ordinal-unsupported-link-kind.stderr
@@ -1,11 +1,11 @@
 error: `#[link_ordinal]` is only supported if link kind is `raw-dylib`
-  --> $DIR/link-ordinal-unsupported-link-kind.rs:5:5
+  --> $DIR/link-ordinal-unsupported-link-kind.rs:3:5
    |
 LL |     #[link_ordinal(3)]
    |     ^^^^^^^^^^^^^^^^^^
 
 error: `#[link_ordinal]` is only supported if link kind is `raw-dylib`
-  --> $DIR/link-ordinal-unsupported-link-kind.rs:12:5
+  --> $DIR/link-ordinal-unsupported-link-kind.rs:10:5
    |
 LL |     #[link_ordinal(3)]
    |     ^^^^^^^^^^^^^^^^^^
diff --git a/tests/ui/rfc-2627-raw-dylib/multiple-declarations.rs b/tests/ui/rfc-2627-raw-dylib/multiple-declarations.rs
index 6542faad264..b4173f3b60b 100644
--- a/tests/ui/rfc-2627-raw-dylib/multiple-declarations.rs
+++ b/tests/ui/rfc-2627-raw-dylib/multiple-declarations.rs
@@ -2,7 +2,6 @@
 // only-windows
 // compile-flags: --crate-type lib --emit link
 #![allow(clashing_extern_declarations)]
-#![feature(raw_dylib)]
 #[link(name = "foo", kind = "raw-dylib")]
 extern "C" {
     fn f(x: i32);
diff --git a/tests/ui/rfc-2627-raw-dylib/multiple-declarations.stderr b/tests/ui/rfc-2627-raw-dylib/multiple-declarations.stderr
index c6808bec7b5..51010840548 100644
--- a/tests/ui/rfc-2627-raw-dylib/multiple-declarations.stderr
+++ b/tests/ui/rfc-2627-raw-dylib/multiple-declarations.stderr
@@ -1,5 +1,5 @@
 error: multiple declarations of external function `f` from library `foo.dll` have different calling conventions
-  --> $DIR/multiple-declarations.rs:14:9
+  --> $DIR/multiple-declarations.rs:13:9
    |
 LL |         fn f(x: i32);
    |         ^^^^^^^^^^^^^
diff --git a/tests/ui/rfc-2627-raw-dylib/raw-dylib-windows-only.rs b/tests/ui/rfc-2627-raw-dylib/raw-dylib-windows-only.rs
index 4efffbd532e..d4c6658a330 100644
--- a/tests/ui/rfc-2627-raw-dylib/raw-dylib-windows-only.rs
+++ b/tests/ui/rfc-2627-raw-dylib/raw-dylib-windows-only.rs
@@ -1,6 +1,5 @@
 // ignore-windows
 // compile-flags: --crate-type lib
-#![cfg_attr(target_arch = "x86", feature(raw_dylib))]
 #[link(name = "foo", kind = "raw-dylib")]
 //~^ ERROR: link kind `raw-dylib` is only supported on Windows targets
 extern "C" {}
diff --git a/tests/ui/rfc-2627-raw-dylib/raw-dylib-windows-only.stderr b/tests/ui/rfc-2627-raw-dylib/raw-dylib-windows-only.stderr
index 14e791f1fb9..b635a09afba 100644
--- a/tests/ui/rfc-2627-raw-dylib/raw-dylib-windows-only.stderr
+++ b/tests/ui/rfc-2627-raw-dylib/raw-dylib-windows-only.stderr
@@ -1,5 +1,5 @@
 error[E0455]: link kind `raw-dylib` is only supported on Windows targets
-  --> $DIR/raw-dylib-windows-only.rs:4:29
+  --> $DIR/raw-dylib-windows-only.rs:3:29
    |
 LL | #[link(name = "foo", kind = "raw-dylib")]
    |                             ^^^^^^^^^^^
diff --git a/tests/ui/rfc-2632-const-trait-impl/specialization/const-default-bound-non-const-specialized-bound.rs b/tests/ui/rfc-2632-const-trait-impl/specialization/const-default-bound-non-const-specialized-bound.rs
index 3ac90992486..f31123f16f1 100644
--- a/tests/ui/rfc-2632-const-trait-impl/specialization/const-default-bound-non-const-specialized-bound.rs
+++ b/tests/ui/rfc-2632-const-trait-impl/specialization/const-default-bound-non-const-specialized-bound.rs
@@ -12,7 +12,9 @@ trait Specialize {}
 trait Foo {}
 
 #[const_trait]
-trait Bar {}
+trait Bar {
+    fn bar();
+}
 
 // bgr360: I was only able to exercise the code path that raises the
 // "missing ~const qualifier" error by making this base impl non-const, even
@@ -21,26 +23,36 @@ trait Bar {}
 impl<T> Bar for T
 where
     T: ~const Foo,
-{}
+{
+    default fn bar() {}
+}
 
 impl<T> Bar for T
 where
     T: Foo, //~ ERROR missing `~const` qualifier
     T: Specialize,
-{}
+{
+    fn bar() {}
+}
 
 #[const_trait]
-trait Baz {}
+trait Baz {
+    fn baz();
+}
 
 impl<T> const Baz for T
 where
     T: ~const Foo,
-{}
+{
+    default fn baz() {}
+}
 
 impl<T> const Baz for T //~ ERROR conflicting implementations of trait `Baz`
 where
     T: Foo,
     T: Specialize,
-{}
+{
+    fn baz() {}
+}
 
 fn main() {}
diff --git a/tests/ui/rfc-2632-const-trait-impl/specialization/const-default-bound-non-const-specialized-bound.stderr b/tests/ui/rfc-2632-const-trait-impl/specialization/const-default-bound-non-const-specialized-bound.stderr
index 4aea1979421..057cf4aea8a 100644
--- a/tests/ui/rfc-2632-const-trait-impl/specialization/const-default-bound-non-const-specialized-bound.stderr
+++ b/tests/ui/rfc-2632-const-trait-impl/specialization/const-default-bound-non-const-specialized-bound.stderr
@@ -1,11 +1,11 @@
 error: missing `~const` qualifier for specialization
-  --> $DIR/const-default-bound-non-const-specialized-bound.rs:28:8
+  --> $DIR/const-default-bound-non-const-specialized-bound.rs:32:8
    |
 LL |     T: Foo,
    |        ^^^
 
 error[E0119]: conflicting implementations of trait `Baz`
-  --> $DIR/const-default-bound-non-const-specialized-bound.rs:40:1
+  --> $DIR/const-default-bound-non-const-specialized-bound.rs:50:1
    |
 LL | impl<T> const Baz for T
    | ----------------------- first implementation here
diff --git a/tests/ui/rfc-2632-const-trait-impl/specialization/issue-95186-specialize-on-tilde-const.rs b/tests/ui/rfc-2632-const-trait-impl/specialization/issue-95186-specialize-on-tilde-const.rs
index 9c2c2cf1610..92d8be6bb16 100644
--- a/tests/ui/rfc-2632-const-trait-impl/specialization/issue-95186-specialize-on-tilde-const.rs
+++ b/tests/ui/rfc-2632-const-trait-impl/specialization/issue-95186-specialize-on-tilde-const.rs
@@ -11,27 +11,39 @@
 trait Specialize {}
 
 #[const_trait]
-trait Foo {}
+trait Foo {
+    fn foo();
+}
 
-impl<T> const Foo for T {}
+impl<T> const Foo for T {
+    default fn foo() {}
+}
 
 impl<T> const Foo for T
 where
     T: ~const Specialize,
-{}
+{
+    fn foo() {}
+}
 
 #[const_trait]
-trait Bar {}
+trait Bar {
+    fn bar() {}
+}
 
 impl<T> const Bar for T
 where
     T: ~const Foo,
-{}
+{
+    default fn bar() {}
+}
 
 impl<T> const Bar for T
 where
     T: ~const Foo,
     T: ~const Specialize,
-{}
+{
+    fn bar() {}
+}
 
 fn main() {}
diff --git a/tests/ui/rfc-2632-const-trait-impl/specialization/issue-95187-same-trait-bound-different-constness.rs b/tests/ui/rfc-2632-const-trait-impl/specialization/issue-95187-same-trait-bound-different-constness.rs
index 1e6b1c6513b..51bfaf73b57 100644
--- a/tests/ui/rfc-2632-const-trait-impl/specialization/issue-95187-same-trait-bound-different-constness.rs
+++ b/tests/ui/rfc-2632-const-trait-impl/specialization/issue-95187-same-trait-bound-different-constness.rs
@@ -15,31 +15,43 @@ trait Specialize {}
 trait Foo {}
 
 #[const_trait]
-trait Bar {}
+trait Bar {
+    fn bar();
+}
 
 impl<T> Bar for T
 where
     T: Foo,
-{}
+{
+    default fn bar() {}
+}
 
 impl<T> const Bar for T
 where
     T: ~const Foo,
     T: Specialize,
-{}
+{
+    fn bar() {}
+}
 
 #[const_trait]
-trait Baz {}
+trait Baz {
+    fn baz();
+}
 
 impl<T> const Baz for T
 where
     T: Foo,
-{}
+{
+    default fn baz() {}
+}
 
 impl<T> const Baz for T
 where
     T: ~const Foo,
     T: Specialize,
-{}
+{
+    fn baz() {}
+}
 
 fn main() {}
diff --git a/tests/ui/rfc-2632-const-trait-impl/super-traits-fail-2.nn.stderr b/tests/ui/rfc-2632-const-trait-impl/super-traits-fail-2.nn.stderr
index d4f42b787e4..97f346e8c1d 100644
--- a/tests/ui/rfc-2632-const-trait-impl/super-traits-fail-2.nn.stderr
+++ b/tests/ui/rfc-2632-const-trait-impl/super-traits-fail-2.nn.stderr
@@ -4,5 +4,11 @@ error: ~const can only be applied to `#[const_trait]` traits
 LL | trait Bar: ~const Foo {}
    |                   ^^^
 
-error: aborting due to previous error
+error: ~const can only be applied to `#[const_trait]` traits
+  --> $DIR/super-traits-fail-2.rs:11:19
+   |
+LL | trait Bar: ~const Foo {}
+   |                   ^^^
+
+error: aborting due to 2 previous errors
 
diff --git a/tests/ui/rfc-2632-const-trait-impl/super-traits-fail-2.ny.stderr b/tests/ui/rfc-2632-const-trait-impl/super-traits-fail-2.ny.stderr
index d4f42b787e4..97f346e8c1d 100644
--- a/tests/ui/rfc-2632-const-trait-impl/super-traits-fail-2.ny.stderr
+++ b/tests/ui/rfc-2632-const-trait-impl/super-traits-fail-2.ny.stderr
@@ -4,5 +4,11 @@ error: ~const can only be applied to `#[const_trait]` traits
 LL | trait Bar: ~const Foo {}
    |                   ^^^
 
-error: aborting due to previous error
+error: ~const can only be applied to `#[const_trait]` traits
+  --> $DIR/super-traits-fail-2.rs:11:19
+   |
+LL | trait Bar: ~const Foo {}
+   |                   ^^^
+
+error: aborting due to 2 previous errors
 
diff --git a/tests/ui/rfc-2632-const-trait-impl/super-traits-fail-2.rs b/tests/ui/rfc-2632-const-trait-impl/super-traits-fail-2.rs
index d183efde2df..ecb06271cd9 100644
--- a/tests/ui/rfc-2632-const-trait-impl/super-traits-fail-2.rs
+++ b/tests/ui/rfc-2632-const-trait-impl/super-traits-fail-2.rs
@@ -10,6 +10,7 @@ trait Foo {
 #[cfg_attr(any(yy, ny), const_trait)]
 trait Bar: ~const Foo {}
 //[ny,nn]~^ ERROR: ~const can only be applied to `#[const_trait]`
+//[ny,nn]~| ERROR: ~const can only be applied to `#[const_trait]`
 
 const fn foo<T: Bar>(x: &T) {
     x.a();
diff --git a/tests/ui/rfc-2632-const-trait-impl/super-traits-fail-2.yn.stderr b/tests/ui/rfc-2632-const-trait-impl/super-traits-fail-2.yn.stderr
index 13fc719f28c..c9fa1955498 100644
--- a/tests/ui/rfc-2632-const-trait-impl/super-traits-fail-2.yn.stderr
+++ b/tests/ui/rfc-2632-const-trait-impl/super-traits-fail-2.yn.stderr
@@ -1,11 +1,11 @@
 error[E0277]: the trait bound `T: ~const Foo` is not satisfied
-  --> $DIR/super-traits-fail-2.rs:15:7
+  --> $DIR/super-traits-fail-2.rs:16:7
    |
 LL |     x.a();
    |       ^ the trait `~const Foo` is not implemented for `T`
    |
 note: the trait `Foo` is implemented for `T`, but that implementation is not `const`
-  --> $DIR/super-traits-fail-2.rs:15:5
+  --> $DIR/super-traits-fail-2.rs:16:5
    |
 LL |     x.a();
    |     ^
diff --git a/tests/ui/rfc-2632-const-trait-impl/super-traits-fail-2.yy.stderr b/tests/ui/rfc-2632-const-trait-impl/super-traits-fail-2.yy.stderr
index 13fc719f28c..c9fa1955498 100644
--- a/tests/ui/rfc-2632-const-trait-impl/super-traits-fail-2.yy.stderr
+++ b/tests/ui/rfc-2632-const-trait-impl/super-traits-fail-2.yy.stderr
@@ -1,11 +1,11 @@
 error[E0277]: the trait bound `T: ~const Foo` is not satisfied
-  --> $DIR/super-traits-fail-2.rs:15:7
+  --> $DIR/super-traits-fail-2.rs:16:7
    |
 LL |     x.a();
    |       ^ the trait `~const Foo` is not implemented for `T`
    |
 note: the trait `Foo` is implemented for `T`, but that implementation is not `const`
-  --> $DIR/super-traits-fail-2.rs:15:5
+  --> $DIR/super-traits-fail-2.rs:16:5
    |
 LL |     x.a();
    |     ^
diff --git a/tests/ui/rfc-2632-const-trait-impl/super-traits-fail-3.nn.stderr b/tests/ui/rfc-2632-const-trait-impl/super-traits-fail-3.nn.stderr
index d433e1cfa69..fdc6b805889 100644
--- a/tests/ui/rfc-2632-const-trait-impl/super-traits-fail-3.nn.stderr
+++ b/tests/ui/rfc-2632-const-trait-impl/super-traits-fail-3.nn.stderr
@@ -5,10 +5,16 @@ LL | trait Bar: ~const Foo {}
    |                   ^^^
 
 error: ~const can only be applied to `#[const_trait]` traits
-  --> $DIR/super-traits-fail-3.rs:15:24
+  --> $DIR/super-traits-fail-3.rs:12:19
+   |
+LL | trait Bar: ~const Foo {}
+   |                   ^^^
+
+error: ~const can only be applied to `#[const_trait]` traits
+  --> $DIR/super-traits-fail-3.rs:16:24
    |
 LL | const fn foo<T: ~const Bar>(x: &T) {
    |                        ^^^
 
-error: aborting due to 2 previous errors
+error: aborting due to 3 previous errors
 
diff --git a/tests/ui/rfc-2632-const-trait-impl/super-traits-fail-3.ny.stderr b/tests/ui/rfc-2632-const-trait-impl/super-traits-fail-3.ny.stderr
index 2a7e8e00bc7..7375b8c819c 100644
--- a/tests/ui/rfc-2632-const-trait-impl/super-traits-fail-3.ny.stderr
+++ b/tests/ui/rfc-2632-const-trait-impl/super-traits-fail-3.ny.stderr
@@ -4,5 +4,11 @@ error: ~const can only be applied to `#[const_trait]` traits
 LL | trait Bar: ~const Foo {}
    |                   ^^^
 
-error: aborting due to previous error
+error: ~const can only be applied to `#[const_trait]` traits
+  --> $DIR/super-traits-fail-3.rs:12:19
+   |
+LL | trait Bar: ~const Foo {}
+   |                   ^^^
+
+error: aborting due to 2 previous errors
 
diff --git a/tests/ui/rfc-2632-const-trait-impl/super-traits-fail-3.rs b/tests/ui/rfc-2632-const-trait-impl/super-traits-fail-3.rs
index 70d2936d3b2..8cf64944ac1 100644
--- a/tests/ui/rfc-2632-const-trait-impl/super-traits-fail-3.rs
+++ b/tests/ui/rfc-2632-const-trait-impl/super-traits-fail-3.rs
@@ -11,6 +11,7 @@ trait Foo {
 #[cfg_attr(any(yy, ny), const_trait)]
 trait Bar: ~const Foo {}
 //[ny,nn]~^ ERROR: ~const can only be applied to `#[const_trait]`
+//[ny,nn]~| ERROR: ~const can only be applied to `#[const_trait]`
 
 const fn foo<T: ~const Bar>(x: &T) {
     //[yn,nn]~^ ERROR: ~const can only be applied to `#[const_trait]`
diff --git a/tests/ui/rfc-2632-const-trait-impl/super-traits-fail-3.yn.stderr b/tests/ui/rfc-2632-const-trait-impl/super-traits-fail-3.yn.stderr
index e5978c12a09..7a152914b69 100644
--- a/tests/ui/rfc-2632-const-trait-impl/super-traits-fail-3.yn.stderr
+++ b/tests/ui/rfc-2632-const-trait-impl/super-traits-fail-3.yn.stderr
@@ -1,5 +1,5 @@
 error: ~const can only be applied to `#[const_trait]` traits
-  --> $DIR/super-traits-fail-3.rs:15:24
+  --> $DIR/super-traits-fail-3.rs:16:24
    |
 LL | const fn foo<T: ~const Bar>(x: &T) {
    |                        ^^^
diff --git a/tests/ui/rfcs/rfc-3348-c-string-literals/basic.rs b/tests/ui/rfcs/rfc-3348-c-string-literals/basic.rs
new file mode 100644
index 00000000000..e4b07ab8108
--- /dev/null
+++ b/tests/ui/rfcs/rfc-3348-c-string-literals/basic.rs
@@ -0,0 +1,7 @@
+// run-pass
+
+#![feature(c_str_literals)]
+
+fn main() {
+    assert_eq!(b"test\0", c"test".to_bytes_with_nul());
+}
diff --git a/tests/ui/rfcs/rfc-3348-c-string-literals/gate.rs b/tests/ui/rfcs/rfc-3348-c-string-literals/gate.rs
new file mode 100644
index 00000000000..b27da26ed23
--- /dev/null
+++ b/tests/ui/rfcs/rfc-3348-c-string-literals/gate.rs
@@ -0,0 +1,13 @@
+// gate-test-c_str_literals
+
+macro_rules! m {
+    ($t:tt) => {}
+}
+
+fn main() {
+    c"foo";
+    //~^ ERROR: `c".."` literals are experimental
+
+    m!(c"test");
+    //~^ ERROR: `c".."` literals are experimental
+}
diff --git a/tests/ui/rfcs/rfc-3348-c-string-literals/gate.stderr b/tests/ui/rfcs/rfc-3348-c-string-literals/gate.stderr
new file mode 100644
index 00000000000..bc0c537aada
--- /dev/null
+++ b/tests/ui/rfcs/rfc-3348-c-string-literals/gate.stderr
@@ -0,0 +1,21 @@
+error[E0658]: `c".."` literals are experimental
+  --> $DIR/gate.rs:8:5
+   |
+LL |     c"foo";
+   |     ^^^^^^
+   |
+   = note: see issue #105723 <https://github.com/rust-lang/rust/issues/105723> for more information
+   = help: add `#![feature(c_str_literals)]` to the crate attributes to enable
+
+error[E0658]: `c".."` literals are experimental
+  --> $DIR/gate.rs:11:8
+   |
+LL |     m!(c"test");
+   |        ^^^^^^^
+   |
+   = note: see issue #105723 <https://github.com/rust-lang/rust/issues/105723> for more information
+   = help: add `#![feature(c_str_literals)]` to the crate attributes to enable
+
+error: aborting due to 2 previous errors
+
+For more information about this error, try `rustc --explain E0658`.
diff --git a/tests/ui/rfcs/rfc-3348-c-string-literals/no-nuls.rs b/tests/ui/rfcs/rfc-3348-c-string-literals/no-nuls.rs
new file mode 100644
index 00000000000..7bc6097f124
--- /dev/null
+++ b/tests/ui/rfcs/rfc-3348-c-string-literals/no-nuls.rs
Binary files differdiff --git a/tests/ui/rfcs/rfc-3348-c-string-literals/no-nuls.stderr b/tests/ui/rfcs/rfc-3348-c-string-literals/no-nuls.stderr
new file mode 100644
index 00000000000..ff9006f6f97
--- /dev/null
+++ b/tests/ui/rfcs/rfc-3348-c-string-literals/no-nuls.stderr
Binary files differdiff --git a/tests/ui/rfcs/rfc-3348-c-string-literals/non-ascii.rs b/tests/ui/rfcs/rfc-3348-c-string-literals/non-ascii.rs
new file mode 100644
index 00000000000..82e8e2090d7
--- /dev/null
+++ b/tests/ui/rfcs/rfc-3348-c-string-literals/non-ascii.rs
@@ -0,0 +1,10 @@
+// run-pass
+
+#![feature(c_str_literals)]
+
+fn main() {
+    assert_eq!(
+        c"\xEF\x80🦀\u{1F980}".to_bytes_with_nul(),
+        &[0xEF, 0x80, 0xF0, 0x9F, 0xA6, 0x80, 0xF0, 0x9F, 0xA6, 0x80, 0x00],
+    );
+}
diff --git a/tests/ui/rust-2018/remove-extern-crate.fixed b/tests/ui/rust-2018/remove-extern-crate.fixed
index 15e0ccc5256..4ed4d610025 100644
--- a/tests/ui/rust-2018/remove-extern-crate.fixed
+++ b/tests/ui/rust-2018/remove-extern-crate.fixed
@@ -5,6 +5,7 @@
 // compile-flags:--extern remove_extern_crate
 
 #![warn(rust_2018_idioms)]
+#![allow(drop_copy)]
 
  //~ WARNING unused extern crate
 // Shouldn't suggest changing to `use`, as `another_name`
diff --git a/tests/ui/rust-2018/remove-extern-crate.rs b/tests/ui/rust-2018/remove-extern-crate.rs
index aec0bc7c374..5dafdb2b7b7 100644
--- a/tests/ui/rust-2018/remove-extern-crate.rs
+++ b/tests/ui/rust-2018/remove-extern-crate.rs
@@ -5,6 +5,7 @@
 // compile-flags:--extern remove_extern_crate
 
 #![warn(rust_2018_idioms)]
+#![allow(drop_copy)]
 
 extern crate core; //~ WARNING unused extern crate
 // Shouldn't suggest changing to `use`, as `another_name`
diff --git a/tests/ui/rust-2018/remove-extern-crate.stderr b/tests/ui/rust-2018/remove-extern-crate.stderr
index d07358e471b..f752cac8ed6 100644
--- a/tests/ui/rust-2018/remove-extern-crate.stderr
+++ b/tests/ui/rust-2018/remove-extern-crate.stderr
@@ -1,5 +1,5 @@
 warning: unused extern crate
-  --> $DIR/remove-extern-crate.rs:9:1
+  --> $DIR/remove-extern-crate.rs:10:1
    |
 LL | extern crate core;
    | ^^^^^^^^^^^^^^^^^^ help: remove it
@@ -12,7 +12,7 @@ LL | #![warn(rust_2018_idioms)]
    = note: `#[warn(unused_extern_crates)]` implied by `#[warn(rust_2018_idioms)]`
 
 warning: `extern crate` is not idiomatic in the new edition
-  --> $DIR/remove-extern-crate.rs:33:5
+  --> $DIR/remove-extern-crate.rs:34:5
    |
 LL |     extern crate core;
    |     ^^^^^^^^^^^^^^^^^^
@@ -23,7 +23,7 @@ LL |     use core;
    |     ~~~
 
 warning: `extern crate` is not idiomatic in the new edition
-  --> $DIR/remove-extern-crate.rs:43:5
+  --> $DIR/remove-extern-crate.rs:44:5
    |
 LL |     pub extern crate core;
    |     ^^^^^^^^^^^^^^^^^^^^^^
diff --git a/tests/ui/sanitize/cfg.rs b/tests/ui/sanitize/cfg.rs
index 79dfe58f04d..c0f08a6d1e5 100644
--- a/tests/ui/sanitize/cfg.rs
+++ b/tests/ui/sanitize/cfg.rs
@@ -3,12 +3,16 @@
 
 // needs-sanitizer-support
 // needs-sanitizer-address
+// needs-sanitizer-cfi
+// needs-sanitizer-kcfi
 // needs-sanitizer-leak
 // needs-sanitizer-memory
 // needs-sanitizer-thread
 // check-pass
 // revisions: address leak memory thread
 //[address]compile-flags: -Zsanitizer=address --cfg address
+//[cfi]compile-flags:     -Zsanitizer=cfi     --cfg cfi
+//[kcfi]compile-flags:    -Zsanitizer=kcfi    --cfg kcfi
 //[leak]compile-flags:    -Zsanitizer=leak    --cfg leak
 //[memory]compile-flags:  -Zsanitizer=memory  --cfg memory
 //[thread]compile-flags:  -Zsanitizer=thread  --cfg thread
@@ -18,6 +22,12 @@
 #[cfg(all(sanitize = "address", address))]
 fn main() {}
 
+#[cfg(all(sanitize = "cfi", cfi))]
+fn main() {}
+
+#[cfg(all(sanitize = "kcfi", kcfi))]
+fn main() {}
+
 #[cfg(all(sanitize = "leak", leak))]
 fn main() {}
 
diff --git a/tests/ui/sanitize/sanitizer-cfi-canonical-jump-tables-require-cfi.rs b/tests/ui/sanitize/sanitizer-cfi-canonical-jump-tables-require-cfi.rs
new file mode 100644
index 00000000000..462a3f661ef
--- /dev/null
+++ b/tests/ui/sanitize/sanitizer-cfi-canonical-jump-tables-require-cfi.rs
@@ -0,0 +1,8 @@
+// Verifies that `-Zsanitizer-cfi-canonical-jump-tables` requires `-Zsanitizer=cfi`.
+//
+// needs-sanitizer-cfi
+// compile-flags: -Cno-prepopulate-passes -Ctarget-feature=-crt-static -Zsanitizer-cfi-canonical-jump-tables=false
+
+#![feature(no_core)]
+#![no_core]
+#![no_main]
diff --git a/tests/ui/sanitize/sanitizer-cfi-canonical-jump-tables-require-cfi.stderr b/tests/ui/sanitize/sanitizer-cfi-canonical-jump-tables-require-cfi.stderr
new file mode 100644
index 00000000000..3ee95634b16
--- /dev/null
+++ b/tests/ui/sanitize/sanitizer-cfi-canonical-jump-tables-require-cfi.stderr
@@ -0,0 +1,4 @@
+error: `-Zsanitizer-cfi-canonical-jump-tables` requires `-Zsanitizer=cfi`
+
+error: aborting due to previous error
+
diff --git a/tests/ui/sanitize/sanitizer-cfi-generalize-pointers-attr-cfg.rs b/tests/ui/sanitize/sanitizer-cfi-generalize-pointers-attr-cfg.rs
new file mode 100644
index 00000000000..3a0fc143da6
--- /dev/null
+++ b/tests/ui/sanitize/sanitizer-cfi-generalize-pointers-attr-cfg.rs
@@ -0,0 +1,9 @@
+// Verifies that when compiling with `-Zsanitizer-cfi-generalize-pointers` the
+// `#[cfg(sanitizer_cfi_generalize_pointers)]` attribute is configured.
+//
+// needs-sanitizer-cfi
+// check-pass
+// compile-flags: -Clto -Cno-prepopulate-passes -Ctarget-feature=-crt-static -Zsanitizer=cfi -Zsanitizer-cfi-generalize-pointers
+
+#[cfg(sanitizer_cfi_generalize_pointers)]
+fn main() {}
diff --git a/tests/ui/sanitize/sanitizer-cfi-generalize-pointers-require-cfi.rs b/tests/ui/sanitize/sanitizer-cfi-generalize-pointers-require-cfi.rs
new file mode 100644
index 00000000000..f31b8bde7ae
--- /dev/null
+++ b/tests/ui/sanitize/sanitizer-cfi-generalize-pointers-require-cfi.rs
@@ -0,0 +1,9 @@
+// Verifies that `-Zsanitizer-cfi-generalize-pointers` requires `-Zsanitizer=cfi` or
+// `-Zsanitizer=kcfi`.
+//
+// needs-sanitizer-cfi
+// compile-flags: -Clto -Cno-prepopulate-passes -Ctarget-feature=-crt-static -Zsanitizer-cfi-generalize-pointers
+
+#![feature(no_core)]
+#![no_core]
+#![no_main]
diff --git a/tests/ui/sanitize/sanitizer-cfi-generalize-pointers-require-cfi.stderr b/tests/ui/sanitize/sanitizer-cfi-generalize-pointers-require-cfi.stderr
new file mode 100644
index 00000000000..6eb09a53b48
--- /dev/null
+++ b/tests/ui/sanitize/sanitizer-cfi-generalize-pointers-require-cfi.stderr
@@ -0,0 +1,4 @@
+error: `-Zsanitizer-cfi-generalize-pointers` requires `-Zsanitizer=cfi` or `-Zsanitizer=kcfi`
+
+error: aborting due to previous error
+
diff --git a/tests/ui/sanitize/sanitizer-cfi-invalid-attr-cfi-encoding.rs b/tests/ui/sanitize/sanitizer-cfi-invalid-attr-cfi-encoding.rs
new file mode 100644
index 00000000000..fe044f50a21
--- /dev/null
+++ b/tests/ui/sanitize/sanitizer-cfi-invalid-attr-cfi-encoding.rs
@@ -0,0 +1,11 @@
+// Verifies that invalid user-defined CFI encodings can't be used.
+//
+// needs-sanitizer-cfi
+// compile-flags: -Clto -Cno-prepopulate-passes -Ctarget-feature=-crt-static -Zsanitizer=cfi
+
+#![feature(cfi_encoding, no_core)]
+#![no_core]
+#![no_main]
+
+#[cfi_encoding] //~ERROR 10:1: 10:16: malformed `cfi_encoding` attribute input
+pub struct Type1(i32);
diff --git a/tests/ui/sanitize/sanitizer-cfi-invalid-attr-cfi-encoding.stderr b/tests/ui/sanitize/sanitizer-cfi-invalid-attr-cfi-encoding.stderr
new file mode 100644
index 00000000000..e23bafb1814
--- /dev/null
+++ b/tests/ui/sanitize/sanitizer-cfi-invalid-attr-cfi-encoding.stderr
@@ -0,0 +1,8 @@
+error: malformed `cfi_encoding` attribute input
+  --> $DIR/sanitizer-cfi-invalid-attr-cfi-encoding.rs:10:1
+   |
+LL | #[cfi_encoding]
+   | ^^^^^^^^^^^^^^^ help: must be of the form: `#[cfi_encoding = "encoding"]`
+
+error: aborting due to previous error
+
diff --git a/tests/ui/sanitize/sanitizer-cfi-is-incompatible-with-saniziter-kcfi.aarch64.stderr b/tests/ui/sanitize/sanitizer-cfi-is-incompatible-with-saniziter-kcfi.aarch64.stderr
new file mode 100644
index 00000000000..8328178e8d0
--- /dev/null
+++ b/tests/ui/sanitize/sanitizer-cfi-is-incompatible-with-saniziter-kcfi.aarch64.stderr
@@ -0,0 +1,8 @@
+error: cfi sanitizer is not supported for this target
+
+error: `-Zsanitizer=cfi` is incompatible with `-Zsanitizer=kcfi`
+
+error: `-Zsanitizer=cfi` is incompatible with `-Zsanitizer=kcfi`
+
+error: aborting due to 3 previous errors
+
diff --git a/tests/ui/sanitize/sanitizer-cfi-is-incompatible-with-saniziter-kcfi.rs b/tests/ui/sanitize/sanitizer-cfi-is-incompatible-with-saniziter-kcfi.rs
new file mode 100644
index 00000000000..9a5b0f38990
--- /dev/null
+++ b/tests/ui/sanitize/sanitizer-cfi-is-incompatible-with-saniziter-kcfi.rs
@@ -0,0 +1,12 @@
+// Verifies that `-Zsanitizer=cfi` is incompatible with `-Zsanitizer=kcfi`.
+//
+// revisions: aarch64 x86_64
+// [aarch64] compile-flags: --target aarch64-unknown-none
+// [aarch64] needs-llvm-components: aarch64
+// [x86_64] compile-flags: --target x86_64-unknown-none
+// [x86_64] needs-llvm-components: x86
+// compile-flags: -Clto -Cno-prepopulate-passes -Ctarget-feature=-crt-static -Zsanitizer=cfi -Zsanitizer=kcfi
+
+#![feature(no_core)]
+#![no_core]
+#![no_main]
diff --git a/tests/ui/sanitize/sanitizer-cfi-is-incompatible-with-saniziter-kcfi.x86_64.stderr b/tests/ui/sanitize/sanitizer-cfi-is-incompatible-with-saniziter-kcfi.x86_64.stderr
new file mode 100644
index 00000000000..8328178e8d0
--- /dev/null
+++ b/tests/ui/sanitize/sanitizer-cfi-is-incompatible-with-saniziter-kcfi.x86_64.stderr
@@ -0,0 +1,8 @@
+error: cfi sanitizer is not supported for this target
+
+error: `-Zsanitizer=cfi` is incompatible with `-Zsanitizer=kcfi`
+
+error: `-Zsanitizer=cfi` is incompatible with `-Zsanitizer=kcfi`
+
+error: aborting due to 3 previous errors
+
diff --git a/tests/ui/sanitize/sanitizer-cfi-normalize-integers-attr-cfg.rs b/tests/ui/sanitize/sanitizer-cfi-normalize-integers-attr-cfg.rs
new file mode 100644
index 00000000000..dafc20162ab
--- /dev/null
+++ b/tests/ui/sanitize/sanitizer-cfi-normalize-integers-attr-cfg.rs
@@ -0,0 +1,9 @@
+// Verifies that when compiling with `-Zsanitizer-cfi-normalize-integers` the
+// `#[cfg(sanitizer_cfi_normalize_integers)]` attribute is configured.
+//
+// needs-sanitizer-cfi
+// check-pass
+// compile-flags: -Clto -Cno-prepopulate-passes -Ctarget-feature=-crt-static -Zsanitizer=cfi -Zsanitizer-cfi-normalize-integers
+
+#[cfg(sanitizer_cfi_normalize_integers)]
+fn main() {}
diff --git a/tests/ui/sanitize/sanitizer-cfi-normalize-integers-require-cfi.rs b/tests/ui/sanitize/sanitizer-cfi-normalize-integers-require-cfi.rs
new file mode 100644
index 00000000000..b25a60d3494
--- /dev/null
+++ b/tests/ui/sanitize/sanitizer-cfi-normalize-integers-require-cfi.rs
@@ -0,0 +1,9 @@
+// Verifies that `-Zsanitizer-cfi-normalize-integers` requires `-Zsanitizer=cfi` or
+// `-Zsanitizer=kcfi`
+//
+// needs-sanitizer-cfi
+// compile-flags: -Clto -Cno-prepopulate-passes -Ctarget-feature=-crt-static -Zsanitizer-cfi-normalize-integers
+
+#![feature(no_core)]
+#![no_core]
+#![no_main]
diff --git a/tests/ui/sanitize/sanitizer-cfi-normalize-integers-require-cfi.stderr b/tests/ui/sanitize/sanitizer-cfi-normalize-integers-require-cfi.stderr
new file mode 100644
index 00000000000..e3164205434
--- /dev/null
+++ b/tests/ui/sanitize/sanitizer-cfi-normalize-integers-require-cfi.stderr
@@ -0,0 +1,4 @@
+error: `-Zsanitizer-cfi-normalize-integers` requires `-Zsanitizer=cfi` or `-Zsanitizer=kcfi`
+
+error: aborting due to previous error
+
diff --git a/tests/ui/sanitize/sanitizer-cfi-requires-lto.rs b/tests/ui/sanitize/sanitizer-cfi-requires-lto.rs
new file mode 100644
index 00000000000..29e32889fcc
--- /dev/null
+++ b/tests/ui/sanitize/sanitizer-cfi-requires-lto.rs
@@ -0,0 +1,8 @@
+// Verifies that `-Zsanitizer=cfi` requires `-Clto`, `-Clto=thin`, or `-Clinker-plugin-lto`.
+//
+// needs-sanitizer-cfi
+// compile-flags: -Cno-prepopulate-passes -Ctarget-feature=-crt-static -Zsanitizer=cfi
+
+#![feature(no_core)]
+#![no_core]
+#![no_main]
diff --git a/tests/ui/sanitize/sanitizer-cfi-requires-lto.stderr b/tests/ui/sanitize/sanitizer-cfi-requires-lto.stderr
new file mode 100644
index 00000000000..5e706b513b9
--- /dev/null
+++ b/tests/ui/sanitize/sanitizer-cfi-requires-lto.stderr
@@ -0,0 +1,4 @@
+error: `-Zsanitizer=cfi` requires `-Clto`, `-Clto=thin`, or `-Clinker-plugin-lto`
+
+error: aborting due to previous error
+
diff --git a/tests/ui/sanitize/split-lto-unit-requires-lto.rs b/tests/ui/sanitize/split-lto-unit-requires-lto.rs
new file mode 100644
index 00000000000..3c497260e85
--- /dev/null
+++ b/tests/ui/sanitize/split-lto-unit-requires-lto.rs
@@ -0,0 +1,8 @@
+// Verifies that `-Zsplit-lto-unit` requires `-Clto`, `-Clto=thin`, or `-Clinker-plugin-lto`.
+//
+// needs-sanitizer-cfi
+// compile-flags: -Cno-prepopulate-passes -Ctarget-feature=-crt-static -Zsplit-lto-unit
+
+#![feature(no_core)]
+#![no_core]
+#![no_main]
diff --git a/tests/ui/sanitize/split-lto-unit-requires-lto.stderr b/tests/ui/sanitize/split-lto-unit-requires-lto.stderr
new file mode 100644
index 00000000000..ab8f4f4f351
--- /dev/null
+++ b/tests/ui/sanitize/split-lto-unit-requires-lto.stderr
@@ -0,0 +1,4 @@
+error: `-Zsplit-lto-unit` requires `-Clto`, `-Clto=thin`, or `-Clinker-plugin-lto`
+
+error: aborting due to previous error
+
diff --git a/tests/ui/self/arbitrary-self-types-not-object-safe.curr.stderr b/tests/ui/self/arbitrary-self-types-not-object-safe.curr.stderr
index 0ec0d4be5f2..13591f5b635 100644
--- a/tests/ui/self/arbitrary-self-types-not-object-safe.curr.stderr
+++ b/tests/ui/self/arbitrary-self-types-not-object-safe.curr.stderr
@@ -31,8 +31,7 @@ LL | trait Foo {
    |       --- this trait cannot be made into an object...
 LL |     fn foo(self: &Rc<Self>) -> usize;
    |                  ^^^^^^^^^ ...because method `foo`'s `self` parameter cannot be dispatched on
-   = note: required for `Rc<usize>` to implement `CoerceUnsized<Rc<dyn Foo>>`
-   = note: required by cast to type `Rc<dyn Foo>`
+   = note: required for the cast from `Rc<usize>` to `Rc<dyn Foo>`
 
 error: aborting due to 2 previous errors
 
diff --git a/tests/ui/self/arbitrary-self-types-not-object-safe.object_safe_for_dispatch.stderr b/tests/ui/self/arbitrary-self-types-not-object-safe.object_safe_for_dispatch.stderr
index b494b448e2e..593f705353a 100644
--- a/tests/ui/self/arbitrary-self-types-not-object-safe.object_safe_for_dispatch.stderr
+++ b/tests/ui/self/arbitrary-self-types-not-object-safe.object_safe_for_dispatch.stderr
@@ -14,8 +14,7 @@ LL | trait Foo {
    |       --- this trait cannot be made into an object...
 LL |     fn foo(self: &Rc<Self>) -> usize;
    |                  ^^^^^^^^^ ...because method `foo`'s `self` parameter cannot be dispatched on
-   = note: required for `Rc<usize>` to implement `CoerceUnsized<Rc<dyn Foo>>`
-   = note: required by cast to type `Rc<dyn Foo>`
+   = note: required for the cast from `Rc<usize>` to `Rc<dyn Foo>`
 
 error: aborting due to previous error
 
diff --git a/tests/ui/self/elision/nested-item.rs b/tests/ui/self/elision/nested-item.rs
new file mode 100644
index 00000000000..4bcb645c60e
--- /dev/null
+++ b/tests/ui/self/elision/nested-item.rs
@@ -0,0 +1,13 @@
+// Regression test for #110899.
+// When looking for the elided lifetime for `wrap`,
+// we must not consider the lifetimes in `bar` as candidates.
+
+fn wrap(self: Wrap<{ fn bar(&self) {} }>) -> &() {
+    //~^ ERROR `self` parameter is only allowed in associated functions
+    //~| ERROR `self` parameter is only allowed in associated functions
+    //~| ERROR missing lifetime specifier
+    //~| ERROR cannot find type `Wrap` in this scope
+    &()
+}
+
+fn main() {}
diff --git a/tests/ui/self/elision/nested-item.stderr b/tests/ui/self/elision/nested-item.stderr
new file mode 100644
index 00000000000..752fd82332c
--- /dev/null
+++ b/tests/ui/self/elision/nested-item.stderr
@@ -0,0 +1,38 @@
+error: `self` parameter is only allowed in associated functions
+  --> $DIR/nested-item.rs:5:9
+   |
+LL | fn wrap(self: Wrap<{ fn bar(&self) {} }>) -> &() {
+   |         ^^^^ not semantically valid as function parameter
+   |
+   = note: associated functions are those in `impl` or `trait` definitions
+
+error: `self` parameter is only allowed in associated functions
+  --> $DIR/nested-item.rs:5:29
+   |
+LL | fn wrap(self: Wrap<{ fn bar(&self) {} }>) -> &() {
+   |                             ^^^^^ not semantically valid as function parameter
+   |
+   = note: associated functions are those in `impl` or `trait` definitions
+
+error[E0106]: missing lifetime specifier
+  --> $DIR/nested-item.rs:5:46
+   |
+LL | fn wrap(self: Wrap<{ fn bar(&self) {} }>) -> &() {
+   |                                              ^ expected named lifetime parameter
+   |
+   = help: this function's return type contains a borrowed value, but there is no value for it to be borrowed from
+help: consider using the `'static` lifetime
+   |
+LL | fn wrap(self: Wrap<{ fn bar(&self) {} }>) -> &'static () {
+   |                                               +++++++
+
+error[E0412]: cannot find type `Wrap` in this scope
+  --> $DIR/nested-item.rs:5:15
+   |
+LL | fn wrap(self: Wrap<{ fn bar(&self) {} }>) -> &() {
+   |               ^^^^ not found in this scope
+
+error: aborting due to 4 previous errors
+
+Some errors have detailed explanations: E0106, E0412.
+For more information about an error, try `rustc --explain E0106`.
diff --git a/tests/ui/self/self-ctor-nongeneric.rs b/tests/ui/self/self-ctor-nongeneric.rs
new file mode 100644
index 00000000000..0ae7f8da4b4
--- /dev/null
+++ b/tests/ui/self/self-ctor-nongeneric.rs
@@ -0,0 +1,15 @@
+// `Self` as a constructor is currently allowed when the outer item is not generic.
+// check-pass
+
+struct S0(usize);
+
+impl S0 {
+    fn foo() {
+        const C: S0 = Self(0);
+        fn bar() -> S0 {
+            Self(0)
+        }
+    }
+}
+
+fn main() {}
diff --git a/tests/ui/simd/issue-105439.rs b/tests/ui/simd/issue-105439.rs
new file mode 100644
index 00000000000..35ca76e989b
--- /dev/null
+++ b/tests/ui/simd/issue-105439.rs
@@ -0,0 +1,25 @@
+// run-pass
+// compile-flags: -O -Zverify-llvm-ir
+
+#![feature(repr_simd)]
+#![feature(platform_intrinsics)]
+
+#[allow(non_camel_case_types)]
+#[derive(Clone, Copy)]
+#[repr(simd)]
+struct i32x4([i32; 4]);
+
+extern "platform-intrinsic" {
+    pub(crate) fn simd_add<T>(x: T, y: T) -> T;
+}
+
+#[inline(always)]
+fn to_array(a: i32x4) -> [i32; 4] {
+    a.0
+}
+
+fn main() {
+    let a = i32x4([1, 2, 3, 4]);
+    let b = unsafe { simd_add(a, a) };
+    assert_eq!(to_array(b), [2, 4, 6, 8]);
+}
diff --git a/tests/ui/span/borrowck-borrow-overloaded-auto-deref-mut.stderr b/tests/ui/span/borrowck-borrow-overloaded-auto-deref-mut.stderr
index 570328fc211..80c5f9da40c 100644
--- a/tests/ui/span/borrowck-borrow-overloaded-auto-deref-mut.stderr
+++ b/tests/ui/span/borrowck-borrow-overloaded-auto-deref-mut.stderr
@@ -18,7 +18,7 @@ LL |     &mut x.y
 help: consider changing this to be a mutable reference
    |
 LL | fn deref_extend_mut_field1(x: &mut Own<Point>) -> &mut isize {
-   |                               ~~~~~~~~~~~~~~~
+   |                                +++
 
 error[E0499]: cannot borrow `*x` as mutable more than once at a time
   --> $DIR/borrowck-borrow-overloaded-auto-deref-mut.rs:78:19
@@ -50,7 +50,7 @@ LL |     x.y = 3;
 help: consider changing this to be a mutable reference
    |
 LL | fn assign_field2<'a>(x: &'a mut Own<Point>) {
-   |                         ~~~~~~~~~~~~~~~~~~
+   |                             +++
 
 error[E0499]: cannot borrow `*x` as mutable more than once at a time
   --> $DIR/borrowck-borrow-overloaded-auto-deref-mut.rs:101:5
@@ -82,7 +82,7 @@ LL |     x.y_mut()
 help: consider changing this to be a mutable reference
    |
 LL | fn deref_extend_mut_method1(x: &mut Own<Point>) -> &mut isize {
-   |                                ~~~~~~~~~~~~~~~
+   |                                 +++
 
 error[E0596]: cannot borrow `x` as mutable, as it is not declared as mutable
   --> $DIR/borrowck-borrow-overloaded-auto-deref-mut.rs:129:6
@@ -104,7 +104,7 @@ LL |     *x.y_mut() = 3;
 help: consider changing this to be a mutable reference
    |
 LL | fn assign_method2<'a>(x: &'a mut Own<Point>) {
-   |                          ~~~~~~~~~~~~~~~~~~
+   |                              +++
 
 error: aborting due to 10 previous errors
 
diff --git a/tests/ui/span/borrowck-borrow-overloaded-deref-mut.stderr b/tests/ui/span/borrowck-borrow-overloaded-deref-mut.stderr
index 3fed7b3f4dc..dbd52dc2d38 100644
--- a/tests/ui/span/borrowck-borrow-overloaded-deref-mut.stderr
+++ b/tests/ui/span/borrowck-borrow-overloaded-deref-mut.stderr
@@ -18,7 +18,7 @@ LL |     &mut **x
 help: consider changing this to be a mutable reference
    |
 LL | fn deref_extend_mut1<'a>(x: &'a mut Own<isize>) -> &'a mut isize {
-   |                             ~~~~~~~~~~~~~~~~~~
+   |                                 +++
 
 error[E0596]: cannot borrow `x` as mutable, as it is not declared as mutable
   --> $DIR/borrowck-borrow-overloaded-deref-mut.rs:49:6
@@ -40,7 +40,7 @@ LL |     **x = 3;
 help: consider changing this to be a mutable reference
    |
 LL | fn assign2<'a>(x: &'a mut Own<isize>) {
-   |                   ~~~~~~~~~~~~~~~~~~
+   |                       +++
 
 error: aborting due to 4 previous errors
 
diff --git a/tests/ui/span/borrowck-call-is-borrow-issue-12224.stderr b/tests/ui/span/borrowck-call-is-borrow-issue-12224.stderr
index 9711dad8078..99c8fa1f932 100644
--- a/tests/ui/span/borrowck-call-is-borrow-issue-12224.stderr
+++ b/tests/ui/span/borrowck-call-is-borrow-issue-12224.stderr
@@ -19,7 +19,7 @@ LL |     (*f)();
 help: consider changing this to be a mutable reference
    |
 LL | fn test2<F>(f: &mut F) where F: FnMut() {
-   |                ~~~~~~
+   |                 +++
 
 error[E0596]: cannot borrow `f.f` as mutable, as it is behind a `&` reference
   --> $DIR/borrowck-call-is-borrow-issue-12224.rs:34:5
@@ -29,8 +29,8 @@ LL |     f.f.call_mut(())
    |
 help: consider changing this to be a mutable reference
    |
-LL | fn test4(f: &mut Test<'_>) {
-   |             ~~~~~~~~~~~~~
+LL | fn test4(f: &mut Test) {
+   |              +++
 
 error[E0507]: cannot move out of `f`, a captured variable in an `FnMut` closure
   --> $DIR/borrowck-call-is-borrow-issue-12224.rs:57:13
diff --git a/tests/ui/span/borrowck-call-method-from-mut-aliasable.stderr b/tests/ui/span/borrowck-call-method-from-mut-aliasable.stderr
index 2a842f5a2a9..328197ae9f4 100644
--- a/tests/ui/span/borrowck-call-method-from-mut-aliasable.stderr
+++ b/tests/ui/span/borrowck-call-method-from-mut-aliasable.stderr
@@ -7,7 +7,7 @@ LL |     x.h();
 help: consider changing this to be a mutable reference
    |
 LL | fn b(x: &mut Foo) {
-   |         ~~~~~~~~
+   |          +++
 
 error: aborting due to previous error
 
diff --git a/tests/ui/span/borrowck-fn-in-const-b.stderr b/tests/ui/span/borrowck-fn-in-const-b.stderr
index 1df19deb12f..17fdcc622f7 100644
--- a/tests/ui/span/borrowck-fn-in-const-b.stderr
+++ b/tests/ui/span/borrowck-fn-in-const-b.stderr
@@ -7,7 +7,7 @@ LL |         x.push(format!("this is broken"));
 help: consider changing this to be a mutable reference
    |
 LL |     fn broken(x: &mut Vec<String>) {
-   |                  ~~~~~~~~~~~~~~~~
+   |                   +++
 
 error: aborting due to previous error
 
diff --git a/tests/ui/span/borrowck-object-mutability.stderr b/tests/ui/span/borrowck-object-mutability.stderr
index b6517e0b309..805a8034c18 100644
--- a/tests/ui/span/borrowck-object-mutability.stderr
+++ b/tests/ui/span/borrowck-object-mutability.stderr
@@ -7,7 +7,7 @@ LL |     x.borrowed_mut();
 help: consider changing this to be a mutable reference
    |
 LL | fn borrowed_receiver(x: &mut dyn Foo) {
-   |                         ~~~~~~~~~~~~
+   |                          +++
 
 error[E0596]: cannot borrow `*x` as mutable, as `x` is not declared as mutable
   --> $DIR/borrowck-object-mutability.rs:18:5
diff --git a/tests/ui/span/coerce-suggestions.stderr b/tests/ui/span/coerce-suggestions.stderr
index bb30f000ea7..ff840b781f0 100644
--- a/tests/ui/span/coerce-suggestions.stderr
+++ b/tests/ui/span/coerce-suggestions.stderr
@@ -10,11 +10,14 @@ error[E0308]: mismatched types
   --> $DIR/coerce-suggestions.rs:9:19
    |
 LL |     let x: &str = String::new();
-   |            ----   ^^^^^^^^^^^^^
-   |            |      |
-   |            |      expected `&str`, found `String`
-   |            |      help: consider borrowing here: `&String::new()`
+   |            ----   ^^^^^^^^^^^^^ expected `&str`, found `String`
+   |            |
    |            expected due to this
+   |
+help: consider borrowing here
+   |
+LL |     let x: &str = &String::new();
+   |                   +
 
 error[E0308]: mismatched types
   --> $DIR/coerce-suggestions.rs:12:10
diff --git a/tests/ui/span/issue-39018.stderr b/tests/ui/span/issue-39018.stderr
index bae93639271..c8c4a513988 100644
--- a/tests/ui/span/issue-39018.stderr
+++ b/tests/ui/span/issue-39018.stderr
@@ -78,10 +78,12 @@ error[E0308]: mismatched types
   --> $DIR/issue-39018.rs:29:17
    |
 LL |     let _ = a + b;
-   |                 ^
-   |                 |
-   |                 expected `&str`, found `String`
-   |                 help: consider borrowing here: `&b`
+   |                 ^ expected `&str`, found `String`
+   |
+help: consider borrowing here
+   |
+LL |     let _ = a + &b;
+   |                 +
 
 error[E0369]: cannot add `String` to `&String`
   --> $DIR/issue-39018.rs:30:15
diff --git a/tests/ui/span/mut-arg-hint.stderr b/tests/ui/span/mut-arg-hint.stderr
index 96ce4d5bc6c..06011eac674 100644
--- a/tests/ui/span/mut-arg-hint.stderr
+++ b/tests/ui/span/mut-arg-hint.stderr
@@ -7,7 +7,7 @@ LL |         a.push_str("bar");
 help: consider changing this to be a mutable reference
    |
 LL |     fn foo(mut a: &mut String) {
-   |                   ~~~~~~~~~~~
+   |                    +++
 
 error[E0596]: cannot borrow `*a` as mutable, as it is behind a `&` reference
   --> $DIR/mut-arg-hint.rs:8:5
@@ -18,7 +18,7 @@ LL |     a.push_str("foo");
 help: consider changing this to be a mutable reference
    |
 LL | pub fn foo<'a>(mut a: &'a mut String) {
-   |                       ~~~~~~~~~~~~~~
+   |                           +++
 
 error[E0596]: cannot borrow `*a` as mutable, as it is behind a `&` reference
   --> $DIR/mut-arg-hint.rs:15:9
@@ -29,7 +29,7 @@ LL |         a.push_str("foo");
 help: consider changing this to be a mutable reference
    |
 LL |     pub fn foo(mut a: &mut String) {
-   |                       ~~~~~~~~~~~
+   |                        +++
 
 error: aborting due to 3 previous errors
 
diff --git a/tests/ui/specialization/issue-111232.rs b/tests/ui/specialization/issue-111232.rs
new file mode 100644
index 00000000000..3ed3c580e6d
--- /dev/null
+++ b/tests/ui/specialization/issue-111232.rs
@@ -0,0 +1,11 @@
+#![feature(min_specialization)]
+
+struct S;
+
+impl From<S> for S {
+    fn from(s: S) -> S { //~ ERROR `from` specializes an item from a parent `impl`, but that item is not marked `default`
+        s
+    }
+}
+
+fn main() {}
diff --git a/tests/ui/specialization/issue-111232.stderr b/tests/ui/specialization/issue-111232.stderr
new file mode 100644
index 00000000000..27ee42fc00c
--- /dev/null
+++ b/tests/ui/specialization/issue-111232.stderr
@@ -0,0 +1,11 @@
+error[E0520]: `from` specializes an item from a parent `impl`, but that item is not marked `default`
+  --> $DIR/issue-111232.rs:6:5
+   |
+LL |     fn from(s: S) -> S {
+   |     ^^^^^^^^^^^^^^^^^^
+   |
+   = note: parent implementation is in crate `core`
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0520`.
diff --git a/tests/ui/specialization/min_specialization/specialize-associated-type.rs b/tests/ui/specialization/min_specialization/specialize-associated-type.rs
new file mode 100644
index 00000000000..c4960b0c28e
--- /dev/null
+++ b/tests/ui/specialization/min_specialization/specialize-associated-type.rs
@@ -0,0 +1,37 @@
+// Another regression test for #109815.
+
+// check-pass
+
+#![feature(min_specialization)]
+#![feature(rustc_attrs)]
+
+#[rustc_specialization_trait]
+trait X {}
+trait Z {
+    type Assoc: X;
+}
+struct A<T>(T);
+
+impl X for () {}
+
+impl<T: X> Z for A<T> {
+    type Assoc = ();
+}
+
+trait MyFrom<T> {
+    fn from(other: T) -> Self;
+}
+
+impl<T> MyFrom<()> for T {
+    default fn from(other: ()) -> T {
+        panic!();
+    }
+}
+
+impl<T: X> MyFrom<<A<T> as Z>::Assoc> for T {
+    fn from(other: ()) -> T {
+        panic!();
+    }
+}
+
+fn main() {}
diff --git a/tests/ui/specialization/min_specialization/specialize_nothing.rs b/tests/ui/specialization/min_specialization/specialize_nothing.rs
new file mode 100644
index 00000000000..ef92254d465
--- /dev/null
+++ b/tests/ui/specialization/min_specialization/specialize_nothing.rs
@@ -0,0 +1,14 @@
+#![feature(min_specialization)]
+
+trait Special {
+    fn be_special();
+}
+
+impl<T> Special for T {
+    fn be_special() {}
+}
+
+impl Special for usize {}
+//~^ ERROR specialization impl does not specialize any associated items
+
+fn main() {}
diff --git a/tests/ui/specialization/min_specialization/specialize_nothing.stderr b/tests/ui/specialization/min_specialization/specialize_nothing.stderr
new file mode 100644
index 00000000000..65f73781cae
--- /dev/null
+++ b/tests/ui/specialization/min_specialization/specialize_nothing.stderr
@@ -0,0 +1,14 @@
+error: specialization impl does not specialize any associated items
+  --> $DIR/specialize_nothing.rs:11:1
+   |
+LL | impl Special for usize {}
+   | ^^^^^^^^^^^^^^^^^^^^^^
+   |
+note: impl is a specialization of this impl
+  --> $DIR/specialize_nothing.rs:7:1
+   |
+LL | impl<T> Special for T {
+   | ^^^^^^^^^^^^^^^^^^^^^
+
+error: aborting due to previous error
+
diff --git a/tests/ui/specialization/min_specialization/specialize_on_type_error.rs b/tests/ui/specialization/min_specialization/specialize_on_type_error.rs
new file mode 100644
index 00000000000..24e92a0abc3
--- /dev/null
+++ b/tests/ui/specialization/min_specialization/specialize_on_type_error.rs
@@ -0,0 +1,33 @@
+// A regression test for #109815.
+
+#![feature(min_specialization)]
+#![feature(rustc_attrs)]
+
+#[rustc_specialization_trait]
+trait X {}
+trait Y: X {}
+trait Z {
+    type Assoc: Y;
+}
+struct A<T>(T);
+
+impl<T: X> Z for A<T> {}
+//~^ ERROR not all trait items implemented
+
+trait MyFrom<T> {
+    fn from(other: T) -> Self;
+}
+
+impl<T> MyFrom<T> for T {
+    default fn from(other: T) -> T {
+        other
+    }
+}
+
+impl<T: X> MyFrom<<A<T> as Z>::Assoc> for T {
+    fn from(other: <A<T> as Z>::Assoc) -> T {
+        other
+    }
+}
+
+fn main() {}
diff --git a/tests/ui/specialization/min_specialization/specialize_on_type_error.stderr b/tests/ui/specialization/min_specialization/specialize_on_type_error.stderr
new file mode 100644
index 00000000000..cc12302bd8c
--- /dev/null
+++ b/tests/ui/specialization/min_specialization/specialize_on_type_error.stderr
@@ -0,0 +1,12 @@
+error[E0046]: not all trait items implemented, missing: `Assoc`
+  --> $DIR/specialize_on_type_error.rs:14:1
+   |
+LL |     type Assoc: Y;
+   |     ------------- `Assoc` from trait
+...
+LL | impl<T: X> Z for A<T> {}
+   | ^^^^^^^^^^^^^^^^^^^^^ missing `Assoc` in implementation
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0046`.
diff --git a/tests/ui/specialization/min_specialization/specialize_with_generalize_lifetimes.rs b/tests/ui/specialization/min_specialization/specialize_with_generalize_lifetimes.rs
new file mode 100644
index 00000000000..d90b81f717a
--- /dev/null
+++ b/tests/ui/specialization/min_specialization/specialize_with_generalize_lifetimes.rs
@@ -0,0 +1,50 @@
+// Regression test for #79457.
+
+#![feature(min_specialization)]
+
+use std::any::Any;
+
+pub trait Tr {
+    fn method(self) -> Box<dyn Any + 'static>;
+    fn other(self);
+}
+
+impl<T: Any + 'static> Tr for T {
+    default fn method(self) -> Box<dyn Any + 'static> {
+        Box::new(self)
+    }
+
+    default fn other(self) {}
+}
+
+impl<'a> Tr for &'a i32 {
+    //~^ ERROR does not fulfill the required lifetime
+    fn other(self) {}
+}
+
+fn promote_to_static<'a>(i: &'a i32) -> &'static i32 {
+    *i.method().downcast().unwrap()
+}
+
+struct Wrapper<'a>(&'a i32);
+
+impl<'a> Tr for Wrapper<'a> {
+    //~^ ERROR does not fulfill the required lifetime
+    fn other(self) {}
+}
+
+fn promote_to_static_2<'a>(w: Wrapper<'a>) -> Wrapper<'static> {
+    *w.method().downcast().unwrap()
+}
+
+fn main() {
+    let i = Box::new(100_i32);
+    let static_i: &'static i32 = promote_to_static(&*i);
+    drop(i);
+    println!("{}", *static_i);
+
+    let j = Box::new(200_i32);
+    let static_w: Wrapper<'static> = promote_to_static_2(Wrapper(&*j));
+    drop(j);
+    println!("{}", *static_w.0);
+}
diff --git a/tests/ui/specialization/min_specialization/specialize_with_generalize_lifetimes.stderr b/tests/ui/specialization/min_specialization/specialize_with_generalize_lifetimes.stderr
new file mode 100644
index 00000000000..2af75876d5b
--- /dev/null
+++ b/tests/ui/specialization/min_specialization/specialize_with_generalize_lifetimes.stderr
@@ -0,0 +1,27 @@
+error[E0477]: the type `&'a i32` does not fulfill the required lifetime
+  --> $DIR/specialize_with_generalize_lifetimes.rs:20:1
+   |
+LL | impl<'a> Tr for &'a i32 {
+   | ^^^^^^^^^^^^^^^^^^^^^^^
+   |
+note: type must satisfy the static lifetime as required by this binding
+  --> $DIR/specialize_with_generalize_lifetimes.rs:12:15
+   |
+LL | impl<T: Any + 'static> Tr for T {
+   |               ^^^^^^^
+
+error[E0477]: the type `Wrapper<'a>` does not fulfill the required lifetime
+  --> $DIR/specialize_with_generalize_lifetimes.rs:31:1
+   |
+LL | impl<'a> Tr for Wrapper<'a> {
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+note: type must satisfy the static lifetime as required by this binding
+  --> $DIR/specialize_with_generalize_lifetimes.rs:12:15
+   |
+LL | impl<T: Any + 'static> Tr for T {
+   |               ^^^^^^^
+
+error: aborting due to 2 previous errors
+
+For more information about this error, try `rustc --explain E0477`.
diff --git a/tests/ui/stability-attribute/stability-attribute-trait-impl.rs b/tests/ui/stability-attribute/stability-attribute-trait-impl.rs
index 0c771ae8795..1d138e26408 100644
--- a/tests/ui/stability-attribute/stability-attribute-trait-impl.rs
+++ b/tests/ui/stability-attribute/stability-attribute-trait-impl.rs
@@ -1,4 +1,4 @@
-#![feature(staged_api, never_type, c_unwind)]
+#![feature(staged_api, never_type, rust_cold_cc)]
 //~^ ERROR module has missing stability attribute
 
 #[stable(feature = "a", since = "1")]
@@ -25,9 +25,9 @@ impl UnstableTrait for StableType {}
 #[unstable(feature = "h", issue = "none")]
 impl StableTrait for ! {}
 
-// Note: If C-unwind is stabilized, switch this to another (unstable) ABI.
+// Note: If rust_cold_cc is stabilized, switch this to another (unstable) ABI.
 #[unstable(feature = "i", issue = "none")]
-impl StableTrait for extern "C-unwind" fn() {}
+impl StableTrait for extern "rust-cold" fn() {}
 
 #[unstable(feature = "j", issue = "none")]
 //~^ ERROR an `#[unstable]` annotation here has no effect [ineffective_unstable_trait_impl]
diff --git a/tests/ui/stability-attribute/stability-attribute-trait-impl.stderr b/tests/ui/stability-attribute/stability-attribute-trait-impl.stderr
index b91a1d2e11a..96322c2c945 100644
--- a/tests/ui/stability-attribute/stability-attribute-trait-impl.stderr
+++ b/tests/ui/stability-attribute/stability-attribute-trait-impl.stderr
@@ -18,7 +18,7 @@ LL | #[unstable(feature = "k", issue = "none")]
 error: module has missing stability attribute
   --> $DIR/stability-attribute-trait-impl.rs:1:1
    |
-LL | / #![feature(staged_api, never_type, c_unwind)]
+LL | / #![feature(staged_api, never_type, rust_cold_cc)]
 LL | |
 LL | |
 LL | | #[stable(feature = "a", since = "1")]
diff --git a/tests/ui/statics/issue-91050-1.rs b/tests/ui/statics/issue-91050-1.rs
index 403a41462ef..f59bcf0b803 100644
--- a/tests/ui/statics/issue-91050-1.rs
+++ b/tests/ui/statics/issue-91050-1.rs
@@ -12,6 +12,8 @@
 //
 // In regular builds, the bad cast was UB, like "Invalid LLVMRustVisibility value!"
 
+#![allow(drop_copy)]
+
 pub mod before {
     #[no_mangle]
     pub static GLOBAL1: [u8; 1] = [1];
diff --git a/tests/ui/str/str-array-assignment.stderr b/tests/ui/str/str-array-assignment.stderr
index c23400a1d14..515cb9e12f8 100644
--- a/tests/ui/str/str-array-assignment.stderr
+++ b/tests/ui/str/str-array-assignment.stderr
@@ -10,10 +10,12 @@ error[E0308]: mismatched types
   --> $DIR/str-array-assignment.rs:5:27
    |
 LL |   let u: &str = if true { s[..2] } else { s };
-   |                           ^^^^^^
-   |                           |
-   |                           expected `&str`, found `str`
-   |                           help: consider borrowing here: `&s[..2]`
+   |                           ^^^^^^ expected `&str`, found `str`
+   |
+help: consider borrowing here
+   |
+LL |   let u: &str = if true { &s[..2] } else { s };
+   |                           +
 
 error[E0277]: the size for values of type `str` cannot be known at compilation time
   --> $DIR/str-array-assignment.rs:7:7
@@ -33,11 +35,14 @@ error[E0308]: mismatched types
   --> $DIR/str-array-assignment.rs:9:17
    |
 LL |   let w: &str = s[..2];
-   |          ----   ^^^^^^
-   |          |      |
-   |          |      expected `&str`, found `str`
-   |          |      help: consider borrowing here: `&s[..2]`
+   |          ----   ^^^^^^ expected `&str`, found `str`
+   |          |
    |          expected due to this
+   |
+help: consider borrowing here
+   |
+LL |   let w: &str = &s[..2];
+   |                 +
 
 error: aborting due to 4 previous errors
 
diff --git a/tests/ui/structs-enums/issue-103869.fixed b/tests/ui/structs-enums/issue-103869.fixed
new file mode 100644
index 00000000000..49fe32c7109
--- /dev/null
+++ b/tests/ui/structs-enums/issue-103869.fixed
@@ -0,0 +1,13 @@
+// run-rustfix
+
+struct VecOrMap {
+    //~^ HELP: perhaps you meant to use `struct` here
+    vec: Vec<usize>,
+    //~^ ERROR expected one of `(`, `,`, `=`, `{`, or `}`, found `:`
+    //~| HELP: enum variants can be `Variant`, `Variant = <integer>`, `Variant(Type, ..., TypeN)` or `Variant { fields: Types }`
+}
+
+fn main() {
+    let o = VecOrMap { vec: vec![1, 2, 3] };
+    println!("{:?}", o.vec);
+}
diff --git a/tests/ui/parser/issue-103869.rs b/tests/ui/structs-enums/issue-103869.rs
index 28c442bdd63..729079e0501 100644
--- a/tests/ui/parser/issue-103869.rs
+++ b/tests/ui/structs-enums/issue-103869.rs
@@ -1,9 +1,13 @@
-enum VecOrMap{
+// run-rustfix
+
+enum VecOrMap {
+    //~^ HELP: perhaps you meant to use `struct` here
     vec: Vec<usize>,
     //~^ ERROR expected one of `(`, `,`, `=`, `{`, or `}`, found `:`
     //~| HELP: enum variants can be `Variant`, `Variant = <integer>`, `Variant(Type, ..., TypeN)` or `Variant { fields: Types }`
-    //~| ERROR expected item, found `:`
-    map: HashMap<String,usize>
 }
 
-fn main() {}
+fn main() {
+    let o = VecOrMap { vec: vec![1, 2, 3] };
+    println!("{:?}", o.vec);
+}
diff --git a/tests/ui/parser/issue-103869.stderr b/tests/ui/structs-enums/issue-103869.stderr
index 0b8cd919a9d..4665ebf89a3 100644
--- a/tests/ui/parser/issue-103869.stderr
+++ b/tests/ui/structs-enums/issue-103869.stderr
@@ -1,16 +1,17 @@
 error: expected one of `(`, `,`, `=`, `{`, or `}`, found `:`
-  --> $DIR/issue-103869.rs:2:8
+  --> $DIR/issue-103869.rs:5:8
    |
+LL | enum VecOrMap {
+   |      -------- while parsing this enum
+LL |
 LL |     vec: Vec<usize>,
    |        ^ expected one of `(`, `,`, `=`, `{`, or `}`
    |
    = help: enum variants can be `Variant`, `Variant = <integer>`, `Variant(Type, ..., TypeN)` or `Variant { fields: Types }`
-
-error: expected item, found `:`
-  --> $DIR/issue-103869.rs:2:8
+help: perhaps you meant to use `struct` here
    |
-LL |     vec: Vec<usize>,
-   |        ^ expected item
+LL | struct VecOrMap {
+   | ~~~~~~
 
-error: aborting due to 2 previous errors
+error: aborting due to previous error
 
diff --git a/tests/ui/suggestions/as-ref.stderr b/tests/ui/suggestions/as-ref.stderr
index 0ee343ebf9f..2147d2d92e3 100644
--- a/tests/ui/suggestions/as-ref.stderr
+++ b/tests/ui/suggestions/as-ref.stderr
@@ -2,61 +2,73 @@ error[E0308]: mismatched types
   --> $DIR/as-ref.rs:7:29
    |
 LL |     opt.map(|arg| takes_ref(arg));
-   |         ---       --------- ^^^ expected `&Foo`, found `Foo`
-   |         |         |
-   |         |         arguments to this function are incorrect
-   |         help: consider using `as_ref` instead: `as_ref().map`
+   |                   --------- ^^^ expected `&Foo`, found `Foo`
+   |                   |
+   |                   arguments to this function are incorrect
    |
 note: function defined here
   --> $DIR/as-ref.rs:3:4
    |
 LL | fn takes_ref(_: &Foo) {}
    |    ^^^^^^^^^ -------
+help: consider using `as_ref` instead
+   |
+LL |     opt.as_ref().map(|arg| takes_ref(arg));
+   |         +++++++++
 
 error[E0308]: mismatched types
   --> $DIR/as-ref.rs:8:39
    |
 LL |     opt.and_then(|arg| Some(takes_ref(arg)));
-   |         --------            --------- ^^^ expected `&Foo`, found `Foo`
-   |         |                   |
-   |         |                   arguments to this function are incorrect
-   |         help: consider using `as_ref` instead: `as_ref().and_then`
+   |                             --------- ^^^ expected `&Foo`, found `Foo`
+   |                             |
+   |                             arguments to this function are incorrect
    |
 note: function defined here
   --> $DIR/as-ref.rs:3:4
    |
 LL | fn takes_ref(_: &Foo) {}
    |    ^^^^^^^^^ -------
+help: consider using `as_ref` instead
+   |
+LL |     opt.as_ref().and_then(|arg| Some(takes_ref(arg)));
+   |         +++++++++
 
 error[E0308]: mismatched types
   --> $DIR/as-ref.rs:10:29
    |
 LL |     opt.map(|arg| takes_ref(arg));
-   |         ---       --------- ^^^ expected `&Foo`, found `Foo`
-   |         |         |
-   |         |         arguments to this function are incorrect
-   |         help: consider using `as_ref` instead: `as_ref().map`
+   |                   --------- ^^^ expected `&Foo`, found `Foo`
+   |                   |
+   |                   arguments to this function are incorrect
    |
 note: function defined here
   --> $DIR/as-ref.rs:3:4
    |
 LL | fn takes_ref(_: &Foo) {}
    |    ^^^^^^^^^ -------
+help: consider using `as_ref` instead
+   |
+LL |     opt.as_ref().map(|arg| takes_ref(arg));
+   |         +++++++++
 
 error[E0308]: mismatched types
   --> $DIR/as-ref.rs:11:37
    |
 LL |     opt.and_then(|arg| Ok(takes_ref(arg)));
-   |         --------          --------- ^^^ expected `&Foo`, found `Foo`
-   |         |                 |
-   |         |                 arguments to this function are incorrect
-   |         help: consider using `as_ref` instead: `as_ref().and_then`
+   |                           --------- ^^^ expected `&Foo`, found `Foo`
+   |                           |
+   |                           arguments to this function are incorrect
    |
 note: function defined here
   --> $DIR/as-ref.rs:3:4
    |
 LL | fn takes_ref(_: &Foo) {}
    |    ^^^^^^^^^ -------
+help: consider using `as_ref` instead
+   |
+LL |     opt.as_ref().and_then(|arg| Ok(takes_ref(arg)));
+   |         +++++++++
 
 error[E0308]: mismatched types
   --> $DIR/as-ref.rs:13:29
@@ -101,61 +113,73 @@ error[E0308]: mismatched types
   --> $DIR/as-ref.rs:22:42
    |
 LL |     multiple_ref_opt.map(|arg| takes_ref(arg));
-   |                      ---       --------- ^^^ expected `&Foo`, found `Foo`
-   |                      |         |
-   |                      |         arguments to this function are incorrect
-   |                      help: consider using `as_ref` instead: `as_ref().map`
+   |                                --------- ^^^ expected `&Foo`, found `Foo`
+   |                                |
+   |                                arguments to this function are incorrect
    |
 note: function defined here
   --> $DIR/as-ref.rs:3:4
    |
 LL | fn takes_ref(_: &Foo) {}
    |    ^^^^^^^^^ -------
+help: consider using `as_ref` instead
+   |
+LL |     multiple_ref_opt.as_ref().map(|arg| takes_ref(arg));
+   |                      +++++++++
 
 error[E0308]: mismatched types
   --> $DIR/as-ref.rs:23:52
    |
 LL |     multiple_ref_opt.and_then(|arg| Some(takes_ref(arg)));
-   |                      --------            --------- ^^^ expected `&Foo`, found `Foo`
-   |                      |                   |
-   |                      |                   arguments to this function are incorrect
-   |                      help: consider using `as_ref` instead: `as_ref().and_then`
+   |                                          --------- ^^^ expected `&Foo`, found `Foo`
+   |                                          |
+   |                                          arguments to this function are incorrect
    |
 note: function defined here
   --> $DIR/as-ref.rs:3:4
    |
 LL | fn takes_ref(_: &Foo) {}
    |    ^^^^^^^^^ -------
+help: consider using `as_ref` instead
+   |
+LL |     multiple_ref_opt.as_ref().and_then(|arg| Some(takes_ref(arg)));
+   |                      +++++++++
 
 error[E0308]: mismatched types
   --> $DIR/as-ref.rs:25:45
    |
 LL |     multiple_ref_result.map(|arg| takes_ref(arg));
-   |                         ---       --------- ^^^ expected `&Foo`, found `Foo`
-   |                         |         |
-   |                         |         arguments to this function are incorrect
-   |                         help: consider using `as_ref` instead: `as_ref().map`
+   |                                   --------- ^^^ expected `&Foo`, found `Foo`
+   |                                   |
+   |                                   arguments to this function are incorrect
    |
 note: function defined here
   --> $DIR/as-ref.rs:3:4
    |
 LL | fn takes_ref(_: &Foo) {}
    |    ^^^^^^^^^ -------
+help: consider using `as_ref` instead
+   |
+LL |     multiple_ref_result.as_ref().map(|arg| takes_ref(arg));
+   |                         +++++++++
 
 error[E0308]: mismatched types
   --> $DIR/as-ref.rs:26:53
    |
 LL |     multiple_ref_result.and_then(|arg| Ok(takes_ref(arg)));
-   |                         --------          --------- ^^^ expected `&Foo`, found `Foo`
-   |                         |                 |
-   |                         |                 arguments to this function are incorrect
-   |                         help: consider using `as_ref` instead: `as_ref().and_then`
+   |                                           --------- ^^^ expected `&Foo`, found `Foo`
+   |                                           |
+   |                                           arguments to this function are incorrect
    |
 note: function defined here
   --> $DIR/as-ref.rs:3:4
    |
 LL | fn takes_ref(_: &Foo) {}
    |    ^^^^^^^^^ -------
+help: consider using `as_ref` instead
+   |
+LL |     multiple_ref_result.as_ref().and_then(|arg| Ok(takes_ref(arg)));
+   |                         +++++++++
 
 error: aborting due to 11 previous errors
 
diff --git a/tests/ui/suggestions/derive-macro-missing-bounds.stderr b/tests/ui/suggestions/derive-macro-missing-bounds.stderr
index c3f305c1770..bffcb1af487 100644
--- a/tests/ui/suggestions/derive-macro-missing-bounds.stderr
+++ b/tests/ui/suggestions/derive-macro-missing-bounds.stderr
@@ -36,7 +36,7 @@ LL |     impl<T: Debug + Trait> Debug for Inner<T> {
    |                     unsatisfied trait bound introduced here
    = note: 1 redundant requirement hidden
    = note: required for `&c::Inner<T>` to implement `Debug`
-   = note: required for the cast from `&c::Inner<T>` to the object type `dyn Debug`
+   = note: required for the cast from `&&c::Inner<T>` to `&dyn Debug`
    = note: this error originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
 help: consider restricting type parameter `T`
    |
@@ -58,7 +58,7 @@ LL |     impl<T> Debug for Inner<T> where T: Debug, T: Trait {
    |             ^^^^^     ^^^^^^^^                    ----- unsatisfied trait bound introduced here
    = note: 1 redundant requirement hidden
    = note: required for `&d::Inner<T>` to implement `Debug`
-   = note: required for the cast from `&d::Inner<T>` to the object type `dyn Debug`
+   = note: required for the cast from `&&d::Inner<T>` to `&dyn Debug`
    = note: this error originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
 help: consider restricting type parameter `T`
    |
@@ -80,7 +80,7 @@ LL |     impl<T> Debug for Inner<T> where T: Debug + Trait {
    |             ^^^^^     ^^^^^^^^                  ----- unsatisfied trait bound introduced here
    = note: 1 redundant requirement hidden
    = note: required for `&e::Inner<T>` to implement `Debug`
-   = note: required for the cast from `&e::Inner<T>` to the object type `dyn Debug`
+   = note: required for the cast from `&&e::Inner<T>` to `&dyn Debug`
    = note: this error originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
 help: consider restricting type parameter `T`
    |
@@ -102,7 +102,7 @@ LL |     impl<T: Debug> Debug for Inner<T> where T: Trait {
    |                    ^^^^^     ^^^^^^^^          ----- unsatisfied trait bound introduced here
    = note: 1 redundant requirement hidden
    = note: required for `&f::Inner<T>` to implement `Debug`
-   = note: required for the cast from `&f::Inner<T>` to the object type `dyn Debug`
+   = note: required for the cast from `&&f::Inner<T>` to `&dyn Debug`
    = note: this error originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
 help: consider restricting type parameter `T`
    |
diff --git a/tests/ui/suggestions/issue-68049-2.stderr b/tests/ui/suggestions/issue-68049-2.stderr
index de35aa5b186..6f3c78443f8 100644
--- a/tests/ui/suggestions/issue-68049-2.stderr
+++ b/tests/ui/suggestions/issue-68049-2.stderr
@@ -4,10 +4,10 @@ error[E0594]: cannot assign to `*input`, which is behind a `&` reference
 LL |       *input = self.0;
    |       ^^^^^^^^^^^^^^^ `input` is a `&` reference, so the data it refers to cannot be written
    |
-help: consider changing that to be a mutable reference
+help: consider changing this to be a mutable reference
    |
-LL |   fn example(&self, input: &mut i32); // should suggest here
-   |                            ~~~~~~~~
+LL |   fn example(&self, input: &mut i32) { // should not suggest here
+   |                             +++
 
 error[E0594]: cannot assign to `self.0`, which is behind a `&` reference
   --> $DIR/issue-68049-2.rs:17:5
@@ -15,7 +15,7 @@ error[E0594]: cannot assign to `self.0`, which is behind a `&` reference
 LL |     self.0 += *input;
    |     ^^^^^^^^^^^^^^^^ `self` is a `&` reference, so the data it refers to cannot be written
    |
-help: consider changing that to be a mutable reference
+help: consider changing this to be a mutable reference
    |
 LL |   fn example(&mut self, input: &i32); // should suggest here
    |              ~~~~~~~~~
diff --git a/tests/ui/suggestions/issue-71394-no-from-impl.stderr b/tests/ui/suggestions/issue-71394-no-from-impl.stderr
index 5c36a385a46..ea57992b483 100644
--- a/tests/ui/suggestions/issue-71394-no-from-impl.stderr
+++ b/tests/ui/suggestions/issue-71394-no-from-impl.stderr
@@ -6,8 +6,14 @@ LL |     let _: &[i8] = data.into();
    |
    = help: the following other types implement trait `From<T>`:
              <&'input [u8] as From<gimli::read::endian_slice::EndianSlice<'input, Endian>>>
-             <[T; LANES] as From<Simd<T, LANES>>>
-             <[bool; LANES] as From<Mask<T, LANES>>>
+             <[T; 10] as From<(T, T, T, T, T, T, T, T, T, T)>>
+             <[T; 11] as From<(T, T, T, T, T, T, T, T, T, T, T)>>
+             <[T; 12] as From<(T, T, T, T, T, T, T, T, T, T, T, T)>>
+             <[T; 1] as From<(T,)>>
+             <[T; 2] as From<(T, T)>>
+             <[T; 3] as From<(T, T, T)>>
+             <[T; 4] as From<(T, T, T, T)>>
+           and 7 others
    = note: required for `&[u8]` to implement `Into<&[i8]>`
 
 error: aborting due to previous error
diff --git a/tests/ui/suggestions/issue-96555.stderr b/tests/ui/suggestions/issue-96555.stderr
index 9a8a183dc2d..1a1e069f09e 100644
--- a/tests/ui/suggestions/issue-96555.stderr
+++ b/tests/ui/suggestions/issue-96555.stderr
@@ -1,8 +1,8 @@
 error[E0277]: `()` is not a future
-  --> $DIR/issue-96555.rs:4:12
+  --> $DIR/issue-96555.rs:4:13
    |
 LL |     m::f1().await;
-   |     -------^^^^^^ `()` is not a future
+   |     ------- ^^^^^ `()` is not a future
    |     |
    |     this call returns `()`
    |
@@ -20,10 +20,10 @@ LL |     pub async fn f1() {}
    |         +++++
 
 error[E0277]: `()` is not a future
-  --> $DIR/issue-96555.rs:5:12
+  --> $DIR/issue-96555.rs:5:13
    |
 LL |     m::f2().await;
-   |     -------^^^^^^ `()` is not a future
+   |     ------- ^^^^^ `()` is not a future
    |     |
    |     this call returns `()`
    |
@@ -41,10 +41,10 @@ LL |     pub(crate) async fn f2() {}
    |                +++++
 
 error[E0277]: `()` is not a future
-  --> $DIR/issue-96555.rs:6:12
+  --> $DIR/issue-96555.rs:6:13
    |
 LL |     m::f3().await;
-   |     -------^^^^^^ `()` is not a future
+   |     ------- ^^^^^ `()` is not a future
    |     |
    |     this call returns `()`
    |
diff --git a/tests/ui/suggestions/issue-99597.rs b/tests/ui/suggestions/issue-99597.rs
new file mode 100644
index 00000000000..8ba9e1fdd62
--- /dev/null
+++ b/tests/ui/suggestions/issue-99597.rs
@@ -0,0 +1,15 @@
+#![allow(dead_code)]
+
+trait T1 { }
+
+trait T2 {
+    fn test(&self) { }
+}
+
+fn go(s: &impl T1) {
+    //~^ SUGGESTION (
+    s.test();
+    //~^ ERROR no method named `test`
+}
+
+fn main() { }
diff --git a/tests/ui/suggestions/issue-99597.stderr b/tests/ui/suggestions/issue-99597.stderr
new file mode 100644
index 00000000000..bdf2a07c143
--- /dev/null
+++ b/tests/ui/suggestions/issue-99597.stderr
@@ -0,0 +1,15 @@
+error[E0599]: no method named `test` found for reference `&impl T1` in the current scope
+  --> $DIR/issue-99597.rs:11:7
+   |
+LL |     s.test();
+   |       ^^^^ method not found in `&impl T1`
+   |
+   = help: items from traits can only be used if the type parameter is bounded by the trait
+help: the following trait defines an item `test`, perhaps you need to restrict type parameter `impl T1` with it:
+   |
+LL | fn go(s: &(impl T1 + T2)) {
+   |           +        +++++
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0599`.
diff --git a/tests/ui/suggestions/many-type-ascription.rs b/tests/ui/suggestions/many-type-ascription.rs
index 31ac556b944..cc2406d6690 100644
--- a/tests/ui/suggestions/many-type-ascription.rs
+++ b/tests/ui/suggestions/many-type-ascription.rs
@@ -1,4 +1,4 @@
 fn main() {
-    let _ = 0: i32; //~ ERROR: type ascription is experimental
+    let _ = 0: i32; //~ ERROR: expected one of
     let _ = 0: i32; // (error only emitted once)
 }
diff --git a/tests/ui/suggestions/many-type-ascription.stderr b/tests/ui/suggestions/many-type-ascription.stderr
index 3706bbae9df..e36919c82f8 100644
--- a/tests/ui/suggestions/many-type-ascription.stderr
+++ b/tests/ui/suggestions/many-type-ascription.stderr
@@ -1,12 +1,10 @@
-error[E0658]: type ascription is experimental
-  --> $DIR/many-type-ascription.rs:2:13
+error: expected one of `.`, `;`, `?`, `else`, or an operator, found `:`
+  --> $DIR/many-type-ascription.rs:2:14
    |
 LL |     let _ = 0: i32;
-   |             ^^^^^^
+   |              ^ expected one of `.`, `;`, `?`, `else`, or an operator
    |
-   = note: see issue #23416 <https://github.com/rust-lang/rust/issues/23416> for more information
-   = help: add `#![feature(type_ascription)]` to the crate attributes to enable
+   = note: type ascription syntax has been removed, see issue #101728 <https://github.com/rust-lang/rust/issues/101728>
 
 error: aborting due to previous error
 
-For more information about this error, try `rustc --explain E0658`.
diff --git a/tests/ui/suggestions/path-by-value.stderr b/tests/ui/suggestions/path-by-value.stderr
index bbeaa26a93a..fd3646b8c3c 100644
--- a/tests/ui/suggestions/path-by-value.stderr
+++ b/tests/ui/suggestions/path-by-value.stderr
@@ -5,7 +5,8 @@ LL | fn f(p: Path) { }
    |      ^ doesn't have a size known at compile-time
    |
    = help: within `Path`, the trait `Sized` is not implemented for `[u8]`
-   = note: required because it appears within the type `Path`
+note: required because it appears within the type `Path`
+  --> $SRC_DIR/std/src/path.rs:LL:COL
    = help: unsized fn params are gated as an unstable feature
 help: function arguments must have a statically known size, borrowed types always have a known size
    |
diff --git a/tests/ui/suggestions/suggest-borrow-to-dyn-object.rs b/tests/ui/suggestions/suggest-borrow-to-dyn-object.rs
deleted file mode 100644
index 120fc538307..00000000000
--- a/tests/ui/suggestions/suggest-borrow-to-dyn-object.rs
+++ /dev/null
@@ -1,16 +0,0 @@
-use std::ffi::{OsStr, OsString};
-use std::path::Path;
-
-fn check(p: &dyn AsRef<Path>) {
-    let m = std::fs::metadata(&p);
-    println!("{:?}", &m);
-}
-
-fn main() {
-    let s: OsString = ".".into();
-    let s: &OsStr = &s;
-    check(s);
-    //~^ ERROR the size for values of type `[u8]` cannot be known at compilation time
-    //~| HELP within `OsStr`, the trait `Sized` is not implemented for `[u8]`
-    //~| HELP consider borrowing the value, since `&OsStr` can be coerced into `dyn AsRef<Path>`
-}
diff --git a/tests/ui/suggestions/suggest-borrow-to-dyn-object.stderr b/tests/ui/suggestions/suggest-borrow-to-dyn-object.stderr
deleted file mode 100644
index 6ce9bfd9dca..00000000000
--- a/tests/ui/suggestions/suggest-borrow-to-dyn-object.stderr
+++ /dev/null
@@ -1,17 +0,0 @@
-error[E0277]: the size for values of type `[u8]` cannot be known at compilation time
-  --> $DIR/suggest-borrow-to-dyn-object.rs:12:11
-   |
-LL |     check(s);
-   |           ^ doesn't have a size known at compile-time
-   |
-   = help: within `OsStr`, the trait `Sized` is not implemented for `[u8]`
-   = note: required because it appears within the type `OsStr`
-   = note: required for the cast from `OsStr` to the object type `dyn AsRef<Path>`
-help: consider borrowing the value, since `&OsStr` can be coerced into `dyn AsRef<Path>`
-   |
-LL |     check(&s);
-   |           +
-
-error: aborting due to previous error
-
-For more information about this error, try `rustc --explain E0277`.
diff --git a/tests/ui/suggestions/suggest-boxed-empty-block.fixed b/tests/ui/suggestions/suggest-boxed-empty-block.fixed
new file mode 100644
index 00000000000..46683aa0953
--- /dev/null
+++ b/tests/ui/suggestions/suggest-boxed-empty-block.fixed
@@ -0,0 +1,12 @@
+#![feature(async_closure)]
+
+// edition:2021
+// run-rustfix
+
+fn foo<T>(_: Box<T>) {}
+fn bar<T>(_: impl Fn() -> Box<T>) {}
+
+fn main() {
+    foo(Box::new(())); //~ ERROR mismatched types
+    bar(|| Box::new(())); //~ ERROR mismatched types
+}
diff --git a/tests/ui/suggestions/suggest-boxed-empty-block.rs b/tests/ui/suggestions/suggest-boxed-empty-block.rs
new file mode 100644
index 00000000000..e19670a5018
--- /dev/null
+++ b/tests/ui/suggestions/suggest-boxed-empty-block.rs
@@ -0,0 +1,12 @@
+#![feature(async_closure)]
+
+// edition:2021
+// run-rustfix
+
+fn foo<T>(_: Box<T>) {}
+fn bar<T>(_: impl Fn() -> Box<T>) {}
+
+fn main() {
+    foo({}); //~ ERROR mismatched types
+    bar(|| {}); //~ ERROR mismatched types
+}
diff --git a/tests/ui/suggestions/suggest-boxed-empty-block.stderr b/tests/ui/suggestions/suggest-boxed-empty-block.stderr
new file mode 100644
index 00000000000..474a37b888f
--- /dev/null
+++ b/tests/ui/suggestions/suggest-boxed-empty-block.stderr
@@ -0,0 +1,33 @@
+error[E0308]: mismatched types
+  --> $DIR/suggest-boxed-empty-block.rs:10:9
+   |
+LL |     foo({});
+   |         ^^ expected `Box<_>`, found `()`
+   |
+   = note: expected struct `Box<_>`
+           found unit type `()`
+   = note: for more on the distinction between the stack and the heap, read https://doc.rust-lang.org/book/ch15-01-box.html, https://doc.rust-lang.org/rust-by-example/std/box.html, and https://doc.rust-lang.org/std/boxed/index.html
+help: store this in the heap by calling `Box::new`
+   |
+LL -     foo({});
+LL +     foo(Box::new(()));
+   |
+
+error[E0308]: mismatched types
+  --> $DIR/suggest-boxed-empty-block.rs:11:12
+   |
+LL |     bar(|| {});
+   |            ^^ expected `Box<_>`, found `()`
+   |
+   = note: expected struct `Box<_>`
+           found unit type `()`
+   = note: for more on the distinction between the stack and the heap, read https://doc.rust-lang.org/book/ch15-01-box.html, https://doc.rust-lang.org/rust-by-example/std/box.html, and https://doc.rust-lang.org/std/boxed/index.html
+help: store this in the heap by calling `Box::new`
+   |
+LL -     bar(|| {});
+LL +     bar(|| Box::new(()));
+   |
+
+error: aborting due to 2 previous errors
+
+For more information about this error, try `rustc --explain E0308`.
diff --git a/tests/ui/suggestions/suggest-ref-macro.rs b/tests/ui/suggestions/suggest-ref-macro.rs
index 6f780f32a14..730f5fa1b5e 100644
--- a/tests/ui/suggestions/suggest-ref-macro.rs
+++ b/tests/ui/suggestions/suggest-ref-macro.rs
@@ -14,7 +14,7 @@ macro_rules! bla {
     () => {
         x(123);
         //~^ ERROR mismatched types
-        //~| SUGGESTION &mut 123
+        //~| SUGGESTION &mut
     };
     ($v:expr) => {
         x($v)
@@ -25,5 +25,5 @@ fn main() {
     bla!();
     bla!(456);
     //~^ ERROR mismatched types
-    //~| SUGGESTION &mut 456
+    //~| SUGGESTION &mut
 }
diff --git a/tests/ui/suggestions/suggest-ref-macro.stderr b/tests/ui/suggestions/suggest-ref-macro.stderr
index 17de49fbd84..08bc9e86a50 100644
--- a/tests/ui/suggestions/suggest-ref-macro.stderr
+++ b/tests/ui/suggestions/suggest-ref-macro.stderr
@@ -18,10 +18,8 @@ error[E0308]: mismatched types
   --> $DIR/suggest-ref-macro.rs:15:11
    |
 LL |         x(123);
-   |         - ^^^
-   |         | |
-   |         | expected `&mut i32`, found integer
-   |         | help: consider mutably borrowing here: `&mut 123`
+   |         - ^^^ expected `&mut i32`, found integer
+   |         |
    |         arguments to this function are incorrect
 ...
 LL |     bla!();
@@ -33,6 +31,10 @@ note: function defined here
 LL | fn x(_: &mut i32) {}
    |    ^ -----------
    = note: this error originates in the macro `bla` (in Nightly builds, run with -Z macro-backtrace for more info)
+help: consider mutably borrowing here
+   |
+LL |         x(&mut 123);
+   |           ++++
 
 error[E0308]: mismatched types
   --> $DIR/suggest-ref-macro.rs:26:10
@@ -41,16 +43,17 @@ LL |         x($v)
    |         - arguments to this function are incorrect
 ...
 LL |     bla!(456);
-   |          ^^^
-   |          |
-   |          expected `&mut i32`, found integer
-   |          help: consider mutably borrowing here: `&mut 456`
+   |          ^^^ expected `&mut i32`, found integer
    |
 note: function defined here
   --> $DIR/suggest-ref-macro.rs:11:4
    |
 LL | fn x(_: &mut i32) {}
    |    ^ -----------
+help: consider mutably borrowing here
+   |
+LL |     bla!(&mut 456);
+   |          ++++
 
 error: aborting due to 3 previous errors
 
diff --git a/tests/ui/suggestions/suggest-ref-mut.rs b/tests/ui/suggestions/suggest-ref-mut.rs
index d04113ffccc..b40439b8e37 100644
--- a/tests/ui/suggestions/suggest-ref-mut.rs
+++ b/tests/ui/suggestions/suggest-ref-mut.rs
@@ -12,12 +12,10 @@ impl X {
 fn main() {
     let ref foo = 16;
     //~^ HELP
-    //~| SUGGESTION ref mut foo
     *foo = 32;
     //~^ ERROR
     if let Some(ref bar) = Some(16) {
         //~^ HELP
-        //~| SUGGESTION ref mut bar
         *bar = 32;
         //~^ ERROR
     }
@@ -25,6 +23,5 @@ fn main() {
         ref quo => { *quo = 32; },
         //~^ ERROR
         //~| HELP
-        //~| SUGGESTION ref mut quo
     }
 }
diff --git a/tests/ui/suggestions/suggest-ref-mut.stderr b/tests/ui/suggestions/suggest-ref-mut.stderr
index 7973759bf5e..cc00022ab8e 100644
--- a/tests/ui/suggestions/suggest-ref-mut.stderr
+++ b/tests/ui/suggestions/suggest-ref-mut.stderr
@@ -10,7 +10,7 @@ LL |     fn zap(&mut self) {
    |            ~~~~~~~~~
 
 error[E0594]: cannot assign to `*foo`, which is behind a `&` reference
-  --> $DIR/suggest-ref-mut.rs:16:5
+  --> $DIR/suggest-ref-mut.rs:15:5
    |
 LL |     *foo = 32;
    |     ^^^^^^^^^ `foo` is a `&` reference, so the data it refers to cannot be written
@@ -18,10 +18,10 @@ LL |     *foo = 32;
 help: consider changing this to be a mutable reference
    |
 LL |     let ref mut foo = 16;
-   |         ~~~~~~~~~~~
+   |             +++
 
 error[E0594]: cannot assign to `*bar`, which is behind a `&` reference
-  --> $DIR/suggest-ref-mut.rs:21:9
+  --> $DIR/suggest-ref-mut.rs:19:9
    |
 LL |         *bar = 32;
    |         ^^^^^^^^^ `bar` is a `&` reference, so the data it refers to cannot be written
@@ -29,10 +29,10 @@ LL |         *bar = 32;
 help: consider changing this to be a mutable reference
    |
 LL |     if let Some(ref mut bar) = Some(16) {
-   |                 ~~~~~~~~~~~
+   |                     +++
 
 error[E0594]: cannot assign to `*quo`, which is behind a `&` reference
-  --> $DIR/suggest-ref-mut.rs:25:22
+  --> $DIR/suggest-ref-mut.rs:23:22
    |
 LL |         ref quo => { *quo = 32; },
    |                      ^^^^^^^^^ `quo` is a `&` reference, so the data it refers to cannot be written
@@ -40,7 +40,7 @@ LL |         ref quo => { *quo = 32; },
 help: consider changing this to be a mutable reference
    |
 LL |         ref mut quo => { *quo = 32; },
-   |         ~~~~~~~~~~~
+   |             +++
 
 error: aborting due to 4 previous errors
 
diff --git a/tests/ui/suggestions/type-ascription-instead-of-let.fixed b/tests/ui/suggestions/type-ascription-instead-of-let.fixed
new file mode 100644
index 00000000000..e3d03b6f22a
--- /dev/null
+++ b/tests/ui/suggestions/type-ascription-instead-of-let.fixed
@@ -0,0 +1,11 @@
+// run-rustfix
+
+fn fun(x: i32) -> i32 { x }
+
+fn main() {
+    let _closure_annotated = |value: i32| -> i32 {
+        let temp: i32 = fun(5i32);
+        //~^ ERROR expected identifier, found `:`
+        temp + value + 1
+    };
+}
diff --git a/tests/ui/suggestions/type-ascription-instead-of-let.rs b/tests/ui/suggestions/type-ascription-instead-of-let.rs
index 0e1c3075027..6e1c86f9671 100644
--- a/tests/ui/suggestions/type-ascription-instead-of-let.rs
+++ b/tests/ui/suggestions/type-ascription-instead-of-let.rs
@@ -1,10 +1,11 @@
+// run-rustfix
+
 fn fun(x: i32) -> i32 { x }
 
 fn main() {
-    let closure_annotated = |value: i32| -> i32 {
+    let _closure_annotated = |value: i32| -> i32 {
         temp: i32 = fun(5i32);
-        //~^ ERROR cannot find value `temp` in this scope
+        //~^ ERROR expected identifier, found `:`
         temp + value + 1
-        //~^ ERROR cannot find value `temp` in this scope
     };
 }
diff --git a/tests/ui/suggestions/type-ascription-instead-of-let.stderr b/tests/ui/suggestions/type-ascription-instead-of-let.stderr
index 92e4b5798c8..065b1f4d353 100644
--- a/tests/ui/suggestions/type-ascription-instead-of-let.stderr
+++ b/tests/ui/suggestions/type-ascription-instead-of-let.stderr
@@ -1,18 +1,13 @@
-error[E0425]: cannot find value `temp` in this scope
-  --> $DIR/type-ascription-instead-of-let.rs:5:9
+error: expected identifier, found `:`
+  --> $DIR/type-ascription-instead-of-let.rs:7:13
    |
 LL |         temp: i32 = fun(5i32);
-   |         ^^^^
-   |         |
-   |         not found in this scope
-   |         help: maybe you meant to write an assignment here: `let temp`
-
-error[E0425]: cannot find value `temp` in this scope
-  --> $DIR/type-ascription-instead-of-let.rs:7:9
+   |             ^ expected identifier
+   |
+help: you might have meant to introduce a new binding
    |
-LL |         temp + value + 1
-   |         ^^^^ not found in this scope
+LL |         let temp: i32 = fun(5i32);
+   |         +++
 
-error: aborting due to 2 previous errors
+error: aborting due to previous error
 
-For more information about this error, try `rustc --explain E0425`.
diff --git a/tests/ui/suggestions/type-ascription-instead-of-method.fixed b/tests/ui/suggestions/type-ascription-instead-of-method.fixed
index 56b740b0d5c..02e316b264e 100644
--- a/tests/ui/suggestions/type-ascription-instead-of-method.fixed
+++ b/tests/ui/suggestions/type-ascription-instead-of-method.fixed
@@ -1,5 +1,5 @@
 // run-rustfix
 fn main() {
     let _ = Box::new("foo".to_string());
-    //~^ ERROR expected type, found
+    //~^ ERROR path separator must be a double colon
 }
diff --git a/tests/ui/suggestions/type-ascription-instead-of-method.rs b/tests/ui/suggestions/type-ascription-instead-of-method.rs
index a603e09e7e8..6f893ee89b2 100644
--- a/tests/ui/suggestions/type-ascription-instead-of-method.rs
+++ b/tests/ui/suggestions/type-ascription-instead-of-method.rs
@@ -1,5 +1,5 @@
 // run-rustfix
 fn main() {
     let _ = Box:new("foo".to_string());
-    //~^ ERROR expected type, found
+    //~^ ERROR path separator must be a double colon
 }
diff --git a/tests/ui/suggestions/type-ascription-instead-of-method.stderr b/tests/ui/suggestions/type-ascription-instead-of-method.stderr
index 83bc33f410a..b3799101cf0 100644
--- a/tests/ui/suggestions/type-ascription-instead-of-method.stderr
+++ b/tests/ui/suggestions/type-ascription-instead-of-method.stderr
@@ -1,12 +1,10 @@
-error: expected type, found `"foo"`
-  --> $DIR/type-ascription-instead-of-method.rs:3:21
+error: path separator must be a double colon
+  --> $DIR/type-ascription-instead-of-method.rs:3:16
    |
 LL |     let _ = Box:new("foo".to_string());
-   |                -    ^^^^^ expected type
-   |                |
-   |                help: maybe write a path separator here: `::`
+   |                ^ help: use a double colon instead: `::`
    |
-   = note: `#![feature(type_ascription)]` lets you annotate an expression with a type: `<expr>: <type>`
+   = note: if you meant to annotate an expression with a type, the type ascription syntax has been removed, see issue #101728 <https://github.com/rust-lang/rust/issues/101728>
 
 error: aborting due to previous error
 
diff --git a/tests/ui/suggestions/type-ascription-instead-of-path-2.fixed b/tests/ui/suggestions/type-ascription-instead-of-path-2.fixed
index 787fcc1208e..4cec58be856 100644
--- a/tests/ui/suggestions/type-ascription-instead-of-path-2.fixed
+++ b/tests/ui/suggestions/type-ascription-instead-of-path-2.fixed
@@ -1,6 +1,6 @@
 // run-rustfix
 fn main() -> Result<(), ()> {
     let _ = vec![Ok(2)].into_iter().collect::<Result<Vec<_>,_>>()?;
-    //~^ ERROR expected `::`, found `(`
+    //~^ ERROR expected one of
     Ok(())
 }
diff --git a/tests/ui/suggestions/type-ascription-instead-of-path-2.rs b/tests/ui/suggestions/type-ascription-instead-of-path-2.rs
index 934016b3b81..5695d5a7f72 100644
--- a/tests/ui/suggestions/type-ascription-instead-of-path-2.rs
+++ b/tests/ui/suggestions/type-ascription-instead-of-path-2.rs
@@ -1,6 +1,6 @@
 // run-rustfix
 fn main() -> Result<(), ()> {
     let _ = vec![Ok(2)].into_iter().collect:<Result<Vec<_>,_>>()?;
-    //~^ ERROR expected `::`, found `(`
+    //~^ ERROR expected one of
     Ok(())
 }
diff --git a/tests/ui/suggestions/type-ascription-instead-of-path-2.stderr b/tests/ui/suggestions/type-ascription-instead-of-path-2.stderr
index 970b220b737..43d00591e74 100644
--- a/tests/ui/suggestions/type-ascription-instead-of-path-2.stderr
+++ b/tests/ui/suggestions/type-ascription-instead-of-path-2.stderr
@@ -1,12 +1,14 @@
-error: expected `::`, found `(`
-  --> $DIR/type-ascription-instead-of-path-2.rs:3:63
+error: expected one of `(`, `.`, `::`, `;`, `?`, `else`, or an operator, found `:`
+  --> $DIR/type-ascription-instead-of-path-2.rs:3:44
    |
 LL |     let _ = vec![Ok(2)].into_iter().collect:<Result<Vec<_>,_>>()?;
-   |                                            -                  ^ expected `::`
-   |                                            |
-   |                                            help: maybe write a path separator here: `::`
+   |                                            ^ expected one of 7 possible tokens
    |
-   = note: `#![feature(type_ascription)]` lets you annotate an expression with a type: `<expr>: <type>`
+   = note: type ascription syntax has been removed, see issue #101728 <https://github.com/rust-lang/rust/issues/101728>
+help: maybe write a path separator here
+   |
+LL |     let _ = vec![Ok(2)].into_iter().collect::<Result<Vec<_>,_>>()?;
+   |                                            ~~
 
 error: aborting due to previous error
 
diff --git a/tests/ui/suggestions/type-ascription-instead-of-path.rs b/tests/ui/suggestions/type-ascription-instead-of-path.rs
index ce40b55f1ee..69647887afc 100644
--- a/tests/ui/suggestions/type-ascription-instead-of-path.rs
+++ b/tests/ui/suggestions/type-ascription-instead-of-path.rs
@@ -1,5 +1,4 @@
 fn main() {
     std:io::stdin();
-    //~^ ERROR failed to resolve: use of undeclared crate or module `io`
-    //~| ERROR expected value, found crate
+    //~^ ERROR path separator must be a double colon
 }
diff --git a/tests/ui/suggestions/type-ascription-instead-of-path.stderr b/tests/ui/suggestions/type-ascription-instead-of-path.stderr
index 518660cfa16..849630218da 100644
--- a/tests/ui/suggestions/type-ascription-instead-of-path.stderr
+++ b/tests/ui/suggestions/type-ascription-instead-of-path.stderr
@@ -1,18 +1,10 @@
-error[E0433]: failed to resolve: use of undeclared crate or module `io`
-  --> $DIR/type-ascription-instead-of-path.rs:2:9
+error: path separator must be a double colon
+  --> $DIR/type-ascription-instead-of-path.rs:2:8
    |
 LL |     std:io::stdin();
-   |         ^^ use of undeclared crate or module `io`
-
-error[E0423]: expected value, found crate `std`
-  --> $DIR/type-ascription-instead-of-path.rs:2:5
+   |        ^ help: use a double colon instead: `::`
    |
-LL |     std:io::stdin();
-   |     ^^^- help: maybe you meant to write a path separator here: `::`
-   |     |
-   |     not a value
+   = note: if you meant to annotate an expression with a type, the type ascription syntax has been removed, see issue #101728 <https://github.com/rust-lang/rust/issues/101728>
 
-error: aborting due to 2 previous errors
+error: aborting due to previous error
 
-Some errors have detailed explanations: E0423, E0433.
-For more information about an error, try `rustc --explain E0423`.
diff --git a/tests/ui/suggestions/type-ascription-instead-of-variant.fixed b/tests/ui/suggestions/type-ascription-instead-of-variant.fixed
index b3247e1287d..04cb2068624 100644
--- a/tests/ui/suggestions/type-ascription-instead-of-variant.fixed
+++ b/tests/ui/suggestions/type-ascription-instead-of-variant.fixed
@@ -1,5 +1,5 @@
 // run-rustfix
 fn main() {
     let _ = Option::Some("");
-    //~^ ERROR expected type, found
+    //~^ ERROR path separator must be a double colon
 }
diff --git a/tests/ui/suggestions/type-ascription-instead-of-variant.rs b/tests/ui/suggestions/type-ascription-instead-of-variant.rs
index 6fd2c19541c..2cce69bfec8 100644
--- a/tests/ui/suggestions/type-ascription-instead-of-variant.rs
+++ b/tests/ui/suggestions/type-ascription-instead-of-variant.rs
@@ -1,5 +1,5 @@
 // run-rustfix
 fn main() {
     let _ = Option:Some("");
-    //~^ ERROR expected type, found
+    //~^ ERROR path separator must be a double colon
 }
diff --git a/tests/ui/suggestions/type-ascription-instead-of-variant.stderr b/tests/ui/suggestions/type-ascription-instead-of-variant.stderr
index f59ba78d4d3..11d0f5f527e 100644
--- a/tests/ui/suggestions/type-ascription-instead-of-variant.stderr
+++ b/tests/ui/suggestions/type-ascription-instead-of-variant.stderr
@@ -1,12 +1,10 @@
-error: expected type, found `""`
-  --> $DIR/type-ascription-instead-of-variant.rs:3:25
+error: path separator must be a double colon
+  --> $DIR/type-ascription-instead-of-variant.rs:3:19
    |
 LL |     let _ = Option:Some("");
-   |                   -     ^^ expected type
-   |                   |
-   |                   help: maybe write a path separator here: `::`
+   |                   ^ help: use a double colon instead: `::`
    |
-   = note: `#![feature(type_ascription)]` lets you annotate an expression with a type: `<expr>: <type>`
+   = note: if you meant to annotate an expression with a type, the type ascription syntax has been removed, see issue #101728 <https://github.com/rust-lang/rust/issues/101728>
 
 error: aborting due to previous error
 
diff --git a/tests/ui/target-feature/gate.rs b/tests/ui/target-feature/gate.rs
index 2eea087c705..8d1765eb8e9 100644
--- a/tests/ui/target-feature/gate.rs
+++ b/tests/ui/target-feature/gate.rs
@@ -10,6 +10,7 @@
 // ignore-sparc
 // ignore-sparc64
 // ignore-s390x
+// ignore-loongarch64
 // gate-test-sse4a_target_feature
 // gate-test-powerpc_target_feature
 // gate-test-avx512_target_feature
diff --git a/tests/ui/target-feature/gate.stderr b/tests/ui/target-feature/gate.stderr
index 2d6abcc0a01..ee542b60a26 100644
--- a/tests/ui/target-feature/gate.stderr
+++ b/tests/ui/target-feature/gate.stderr
@@ -1,5 +1,5 @@
 error[E0658]: the target feature `avx512bw` is currently unstable
-  --> $DIR/gate.rs:31:18
+  --> $DIR/gate.rs:32:18
    |
 LL | #[target_feature(enable = "avx512bw")]
    |                  ^^^^^^^^^^^^^^^^^^^
diff --git a/tests/ui/target-feature/invalid-attribute.rs b/tests/ui/target-feature/invalid-attribute.rs
index b59ed076f93..77fd8b85f3f 100644
--- a/tests/ui/target-feature/invalid-attribute.rs
+++ b/tests/ui/target-feature/invalid-attribute.rs
@@ -10,6 +10,7 @@
 // ignore-s390x
 // ignore-sparc
 // ignore-sparc64
+// ignore-loongarch64
 
 #![warn(unused_attributes)]
 
diff --git a/tests/ui/target-feature/invalid-attribute.stderr b/tests/ui/target-feature/invalid-attribute.stderr
index c36392d430f..6d37d0917bc 100644
--- a/tests/ui/target-feature/invalid-attribute.stderr
+++ b/tests/ui/target-feature/invalid-attribute.stderr
@@ -1,11 +1,11 @@
 error: malformed `target_feature` attribute input
-  --> $DIR/invalid-attribute.rs:31:1
+  --> $DIR/invalid-attribute.rs:32:1
    |
 LL | #[target_feature = "+sse2"]
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: must be of the form: `#[target_feature(enable = "name")]`
 
 error: attribute should be applied to a function definition
-  --> $DIR/invalid-attribute.rs:16:1
+  --> $DIR/invalid-attribute.rs:17:1
    |
 LL | #[target_feature(enable = "sse2")]
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -14,7 +14,7 @@ LL | extern crate alloc;
    | ------------------- not a function definition
 
 error: attribute should be applied to a function definition
-  --> $DIR/invalid-attribute.rs:21:1
+  --> $DIR/invalid-attribute.rs:22:1
    |
 LL | #[target_feature(enable = "sse2")]
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -23,7 +23,7 @@ LL | use alloc::alloc::alloc;
    | ------------------------ not a function definition
 
 error: attribute should be applied to a function definition
-  --> $DIR/invalid-attribute.rs:26:1
+  --> $DIR/invalid-attribute.rs:27:1
    |
 LL | #[target_feature(enable = "sse2")]
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -32,7 +32,7 @@ LL | extern "Rust" {}
    | ---------------- not a function definition
 
 error: attribute should be applied to a function definition
-  --> $DIR/invalid-attribute.rs:48:1
+  --> $DIR/invalid-attribute.rs:49:1
    |
 LL | #[target_feature(enable = "sse2")]
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -41,7 +41,7 @@ LL | mod another {}
    | -------------- not a function definition
 
 error: attribute should be applied to a function definition
-  --> $DIR/invalid-attribute.rs:53:1
+  --> $DIR/invalid-attribute.rs:54:1
    |
 LL | #[target_feature(enable = "sse2")]
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -50,7 +50,7 @@ LL | const FOO: usize = 7;
    | --------------------- not a function definition
 
 error: attribute should be applied to a function definition
-  --> $DIR/invalid-attribute.rs:58:1
+  --> $DIR/invalid-attribute.rs:59:1
    |
 LL | #[target_feature(enable = "sse2")]
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -59,7 +59,7 @@ LL | struct Foo;
    | ----------- not a function definition
 
 error: attribute should be applied to a function definition
-  --> $DIR/invalid-attribute.rs:63:1
+  --> $DIR/invalid-attribute.rs:64:1
    |
 LL | #[target_feature(enable = "sse2")]
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -68,7 +68,7 @@ LL | enum Bar {}
    | ----------- not a function definition
 
 error: attribute should be applied to a function definition
-  --> $DIR/invalid-attribute.rs:68:1
+  --> $DIR/invalid-attribute.rs:69:1
    |
 LL |   #[target_feature(enable = "sse2")]
    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -81,7 +81,7 @@ LL | | }
    | |_- not a function definition
 
 error: attribute should be applied to a function definition
-  --> $DIR/invalid-attribute.rs:76:1
+  --> $DIR/invalid-attribute.rs:77:1
    |
 LL | #[target_feature(enable = "sse2")]
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -90,7 +90,7 @@ LL | type Uwu = ();
    | -------------- not a function definition
 
 error: attribute should be applied to a function definition
-  --> $DIR/invalid-attribute.rs:81:1
+  --> $DIR/invalid-attribute.rs:82:1
    |
 LL | #[target_feature(enable = "sse2")]
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -99,7 +99,7 @@ LL | trait Baz {}
    | ------------ not a function definition
 
 error: attribute should be applied to a function definition
-  --> $DIR/invalid-attribute.rs:91:1
+  --> $DIR/invalid-attribute.rs:92:1
    |
 LL | #[target_feature(enable = "sse2")]
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -108,7 +108,7 @@ LL | static A: () = ();
    | ------------------ not a function definition
 
 error: attribute should be applied to a function definition
-  --> $DIR/invalid-attribute.rs:96:1
+  --> $DIR/invalid-attribute.rs:97:1
    |
 LL | #[target_feature(enable = "sse2")]
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -117,7 +117,7 @@ LL | impl Quux for u8 {}
    | ------------------- not a function definition
 
 error: attribute should be applied to a function definition
-  --> $DIR/invalid-attribute.rs:101:1
+  --> $DIR/invalid-attribute.rs:102:1
    |
 LL | #[target_feature(enable = "sse2")]
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -126,7 +126,7 @@ LL | impl Foo {}
    | ----------- not a function definition
 
 error: attribute should be applied to a function definition
-  --> $DIR/invalid-attribute.rs:119:5
+  --> $DIR/invalid-attribute.rs:120:5
    |
 LL |       #[target_feature(enable = "sse2")]
    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -138,7 +138,7 @@ LL | |     }
    | |_____- not a function definition
 
 error: attribute should be applied to a function definition
-  --> $DIR/invalid-attribute.rs:127:5
+  --> $DIR/invalid-attribute.rs:128:5
    |
 LL |     #[target_feature(enable = "sse2")]
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -147,25 +147,25 @@ LL |     || {};
    |     ----- not a function definition
 
 error: the feature named `foo` is not valid for this target
-  --> $DIR/invalid-attribute.rs:33:18
+  --> $DIR/invalid-attribute.rs:34:18
    |
 LL | #[target_feature(enable = "foo")]
    |                  ^^^^^^^^^^^^^^ `foo` is not valid for this target
 
 error: malformed `target_feature` attribute input
-  --> $DIR/invalid-attribute.rs:36:18
+  --> $DIR/invalid-attribute.rs:37:18
    |
 LL | #[target_feature(bar)]
    |                  ^^^ help: must be of the form: `enable = ".."`
 
 error: malformed `target_feature` attribute input
-  --> $DIR/invalid-attribute.rs:38:18
+  --> $DIR/invalid-attribute.rs:39:18
    |
 LL | #[target_feature(disable = "baz")]
    |                  ^^^^^^^^^^^^^^^ help: must be of the form: `enable = ".."`
 
 error[E0658]: `#[target_feature(..)]` can only be applied to `unsafe` functions
-  --> $DIR/invalid-attribute.rs:42:1
+  --> $DIR/invalid-attribute.rs:43:1
    |
 LL | #[target_feature(enable = "sse2")]
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -177,13 +177,13 @@ LL | fn bar() {}
    = help: add `#![feature(target_feature_11)]` to the crate attributes to enable
 
 error: cannot use `#[inline(always)]` with `#[target_feature]`
-  --> $DIR/invalid-attribute.rs:86:1
+  --> $DIR/invalid-attribute.rs:87:1
    |
 LL | #[inline(always)]
    | ^^^^^^^^^^^^^^^^^
 
 error[E0658]: `#[target_feature(..)]` can only be applied to `unsafe` functions
-  --> $DIR/invalid-attribute.rs:111:5
+  --> $DIR/invalid-attribute.rs:112:5
    |
 LL |     #[target_feature(enable = "sse2")]
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
diff --git a/tests/ui/issues/issue-12997-1.rs b/tests/ui/test-attrs/issue-12997-1.rs
index 9f808dac362..9f808dac362 100644
--- a/tests/ui/issues/issue-12997-1.rs
+++ b/tests/ui/test-attrs/issue-12997-1.rs
diff --git a/tests/ui/issues/issue-12997-1.stderr b/tests/ui/test-attrs/issue-12997-1.stderr
index 00c605174fb..00c605174fb 100644
--- a/tests/ui/issues/issue-12997-1.stderr
+++ b/tests/ui/test-attrs/issue-12997-1.stderr
diff --git a/tests/ui/issues/issue-12997-2.rs b/tests/ui/test-attrs/issue-12997-2.rs
index 9df965315ab..9df965315ab 100644
--- a/tests/ui/issues/issue-12997-2.rs
+++ b/tests/ui/test-attrs/issue-12997-2.rs
diff --git a/tests/ui/issues/issue-12997-2.stderr b/tests/ui/test-attrs/issue-12997-2.stderr
index 2a3d0e3457b..2a3d0e3457b 100644
--- a/tests/ui/issues/issue-12997-2.stderr
+++ b/tests/ui/test-attrs/issue-12997-2.stderr
diff --git a/tests/ui/issues/issue-34932.rs b/tests/ui/test-attrs/issue-34932.rs
index ab568fd01ef..ab568fd01ef 100644
--- a/tests/ui/issues/issue-34932.rs
+++ b/tests/ui/test-attrs/issue-34932.rs
diff --git a/tests/ui/test-attrs/test-type.rs b/tests/ui/test-attrs/test-type.rs
index f99e476eaba..8416270fd81 100644
--- a/tests/ui/test-attrs/test-type.rs
+++ b/tests/ui/test-attrs/test-type.rs
@@ -3,6 +3,7 @@
 // check-run-results
 // normalize-stdout-test "finished in \d+\.\d+s" -> "finished in $$TIME"
 // ignore-emscripten no threads support
+// needs-unwind
 // run-pass
 
 #[test]
diff --git a/tests/ui/track-diagnostics/track6.rs b/tests/ui/track-diagnostics/track6.rs
index 307e3101849..fc6f5f23d92 100644
--- a/tests/ui/track-diagnostics/track6.rs
+++ b/tests/ui/track-diagnostics/track6.rs
@@ -1,6 +1,9 @@
 // compile-flags: -Z track-diagnostics
 // error-pattern: created at
 
+// Normalize the emitted location so this doesn't need
+// updating everytime someone adds or removes a line.
+// normalize-stderr-test ".rs:\d+:\d+" -> ".rs:LL:CC"
 
 
 pub trait Foo {
diff --git a/tests/ui/track-diagnostics/track6.stderr b/tests/ui/track-diagnostics/track6.stderr
index 1c7537633ff..89438aea9ad 100644
--- a/tests/ui/track-diagnostics/track6.stderr
+++ b/tests/ui/track-diagnostics/track6.stderr
@@ -1,9 +1,9 @@
 error[E0658]: specialization is unstable
-  --> $DIR/track6.rs:11:5
+  --> $DIR/track6.rs:LL:CC
    |
 LL |     default fn bar() {}
    |     ^^^^^^^^^^^^^^^^^^^
--Ztrack-diagnostics: created at $COMPILER_DIR/rustc_session/src/parse.rs:93:5
+-Ztrack-diagnostics: created at $COMPILER_DIR/rustc_session/src/parse.rs:LL:CC
    |
    = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
    = help: add `#![feature(specialization)]` to the crate attributes to enable
diff --git a/tests/ui/traits/coercion-generic-bad.stderr b/tests/ui/traits/coercion-generic-bad.stderr
index 93d6770eb47..e7e8a796796 100644
--- a/tests/ui/traits/coercion-generic-bad.stderr
+++ b/tests/ui/traits/coercion-generic-bad.stderr
@@ -5,7 +5,7 @@ LL |     let s: Box<dyn Trait<isize>> = Box::new(Struct { person: "Fred" });
    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Trait<isize>` is not implemented for `Struct`
    |
    = help: the trait `Trait<&'static str>` is implemented for `Struct`
-   = note: required for the cast from `Struct` to the object type `dyn Trait<isize>`
+   = note: required for the cast from `Box<Struct>` to `Box<dyn Trait<isize>>`
 
 error: aborting due to previous error
 
diff --git a/tests/ui/traits/copy-guessing.rs b/tests/ui/traits/copy-guessing.rs
index f031dd9ca48..558303c2e40 100644
--- a/tests/ui/traits/copy-guessing.rs
+++ b/tests/ui/traits/copy-guessing.rs
@@ -1,5 +1,8 @@
 // run-pass
+
 #![allow(dead_code)]
+#![allow(drop_copy)]
+
 // "guessing" in trait selection can affect `copy_or_move`. Check that this
 // is correctly handled. I am not sure what is the "correct" behaviour,
 // but we should at least not ICE.
diff --git a/tests/ui/traits/impl-evaluation-order.rs b/tests/ui/traits/impl-evaluation-order.rs
index 57809d89aa6..256ce992eef 100644
--- a/tests/ui/traits/impl-evaluation-order.rs
+++ b/tests/ui/traits/impl-evaluation-order.rs
@@ -6,6 +6,8 @@
 
 // check-pass
 
+#![allow(drop_copy)]
+
 trait A {
     type B;
 }
diff --git a/tests/ui/traits/issue-106072.rs b/tests/ui/traits/issue-106072.rs
index 7064a39d21e..b174669545a 100644
--- a/tests/ui/traits/issue-106072.rs
+++ b/tests/ui/traits/issue-106072.rs
@@ -1,5 +1,4 @@
 #[derive(Clone)] //~  trait objects must include the `dyn` keyword
-                 //~| trait objects must include the `dyn` keyword
 struct Foo;
 trait Foo {} //~ the name `Foo` is defined multiple times
 fn main() {}
diff --git a/tests/ui/traits/issue-106072.stderr b/tests/ui/traits/issue-106072.stderr
index f9b7b814663..1037603ceb7 100644
--- a/tests/ui/traits/issue-106072.stderr
+++ b/tests/ui/traits/issue-106072.stderr
@@ -1,5 +1,5 @@
 error[E0428]: the name `Foo` is defined multiple times
-  --> $DIR/issue-106072.rs:4:1
+  --> $DIR/issue-106072.rs:3:1
    |
 LL | struct Foo;
    | ----------- previous definition of the type `Foo` here
@@ -16,15 +16,7 @@ LL | #[derive(Clone)]
    |
    = note: this error originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
 
-error[E0782]: trait objects must include the `dyn` keyword
-  --> $DIR/issue-106072.rs:1:10
-   |
-LL | #[derive(Clone)]
-   |          ^^^^^
-   |
-   = note: this error originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
-
-error: aborting due to 3 previous errors
+error: aborting due to 2 previous errors
 
 Some errors have detailed explanations: E0428, E0782.
 For more information about an error, try `rustc --explain E0428`.
diff --git a/tests/ui/traits/issue-20692.stderr b/tests/ui/traits/issue-20692.stderr
index 2028994cdaa..30e3c9da1a0 100644
--- a/tests/ui/traits/issue-20692.stderr
+++ b/tests/ui/traits/issue-20692.stderr
@@ -27,8 +27,7 @@ LL | trait Array: Sized + Copy {}
    |       |      |
    |       |      ...because it requires `Self: Sized`
    |       this trait cannot be made into an object...
-   = note: required for `&T` to implement `CoerceUnsized<&dyn Array>`
-   = note: required by cast to type `&dyn Array`
+   = note: required for the cast from `&T` to `&dyn Array`
 
 error: aborting due to 2 previous errors
 
diff --git a/tests/ui/traits/issue-38404.rs b/tests/ui/traits/issue-38404.rs
index 1a92acc3404..05921b2c36e 100644
--- a/tests/ui/traits/issue-38404.rs
+++ b/tests/ui/traits/issue-38404.rs
@@ -2,5 +2,6 @@ trait A<T>: std::ops::Add<Self> + Sized {}
 trait B<T>: A<T> {}
 trait C<T>: A<dyn B<T, Output=usize>> {}
 //~^ ERROR the trait `B` cannot be made into an object
+//~| ERROR the trait `B` cannot be made into an object
 
 fn main() {}
diff --git a/tests/ui/traits/issue-38404.stderr b/tests/ui/traits/issue-38404.stderr
index d7721d7e69c..f8625f53b78 100644
--- a/tests/ui/traits/issue-38404.stderr
+++ b/tests/ui/traits/issue-38404.stderr
@@ -12,6 +12,20 @@ LL | trait A<T>: std::ops::Add<Self> + Sized {}
 LL | trait B<T>: A<T> {}
    |       - this trait cannot be made into an object...
 
-error: aborting due to previous error
+error[E0038]: the trait `B` cannot be made into an object
+  --> $DIR/issue-38404.rs:3:15
+   |
+LL | trait C<T>: A<dyn B<T, Output=usize>> {}
+   |               ^^^^^^^^^^^^^^^^^^^^^^ `B` cannot be made into an object
+   |
+note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
+  --> $DIR/issue-38404.rs:1:13
+   |
+LL | trait A<T>: std::ops::Add<Self> + Sized {}
+   |             ^^^^^^^^^^^^^^^^^^^ ...because it uses `Self` as a type parameter
+LL | trait B<T>: A<T> {}
+   |       - this trait cannot be made into an object...
+
+error: aborting due to 2 previous errors
 
 For more information about this error, try `rustc --explain E0038`.
diff --git a/tests/ui/traits/issue-38604.stderr b/tests/ui/traits/issue-38604.stderr
index 50d6fb05465..d5327602430 100644
--- a/tests/ui/traits/issue-38604.stderr
+++ b/tests/ui/traits/issue-38604.stderr
@@ -25,8 +25,7 @@ LL | trait Foo where u32: Q<Self> {
    |       ---            ^^^^^^^ ...because it uses `Self` as a type parameter
    |       |
    |       this trait cannot be made into an object...
-   = note: required for `Box<()>` to implement `CoerceUnsized<Box<dyn Foo>>`
-   = note: required by cast to type `Box<dyn Foo>`
+   = note: required for the cast from `Box<()>` to `Box<dyn Foo>`
 
 error: aborting due to 2 previous errors
 
diff --git a/tests/ui/traits/issue-7013.stderr b/tests/ui/traits/issue-7013.stderr
index 4575f4dbae6..1c0e8bcf185 100644
--- a/tests/ui/traits/issue-7013.stderr
+++ b/tests/ui/traits/issue-7013.stderr
@@ -5,13 +5,14 @@ LL |     let a = A {v: Box::new(B{v: None}) as Box<dyn Foo + Send>};
    |                   ^^^^^^^^^^^^^^^^^^^^ `Rc<RefCell<A>>` cannot be sent between threads safely
    |
    = help: within `B`, the trait `Send` is not implemented for `Rc<RefCell<A>>`
-   = note: required because it appears within the type `Option<Rc<RefCell<A>>>`
+note: required because it appears within the type `Option<Rc<RefCell<A>>>`
+  --> $SRC_DIR/core/src/option.rs:LL:COL
 note: required because it appears within the type `B`
   --> $DIR/issue-7013.rs:8:8
    |
 LL | struct B {
    |        ^
-   = note: required for the cast from `B` to the object type `dyn Foo + Send`
+   = note: required for the cast from `Box<B>` to `Box<dyn Foo + Send>`
 
 error: aborting due to previous error
 
diff --git a/tests/ui/traits/map-types.stderr b/tests/ui/traits/map-types.stderr
index f685c50b07d..4315056f206 100644
--- a/tests/ui/traits/map-types.stderr
+++ b/tests/ui/traits/map-types.stderr
@@ -5,7 +5,7 @@ LL |     let y: Box<dyn Map<usize, isize>> = Box::new(x);
    |                                         ^^^^^^^^^^^ the trait `Map<usize, isize>` is not implemented for `Box<dyn Map<isize, isize>>`
    |
    = help: the trait `Map<K, V>` is implemented for `HashMap<K, V>`
-   = note: required for the cast from `Box<dyn Map<isize, isize>>` to the object type `dyn Map<usize, isize>`
+   = note: required for the cast from `Box<Box<dyn Map<isize, isize>>>` to `Box<dyn Map<usize, isize>>`
 
 error: aborting due to previous error
 
diff --git a/tests/ui/traits/negative-bounds/associated-constraints.rs b/tests/ui/traits/negative-bounds/associated-constraints.rs
new file mode 100644
index 00000000000..bc1a0ef1708
--- /dev/null
+++ b/tests/ui/traits/negative-bounds/associated-constraints.rs
@@ -0,0 +1,20 @@
+#![feature(negative_bounds, associated_type_bounds)]
+//~^ WARN the feature `negative_bounds` is incomplete and may not be safe to use and/or cause compiler crashes
+
+trait Trait {
+    type Assoc;
+}
+
+fn test<T: !Trait<Assoc = i32>>() {}
+//~^ ERROR associated type constraints not allowed on negative bounds
+
+fn test2<T>() where T: !Trait<Assoc = i32> {}
+//~^ ERROR associated type constraints not allowed on negative bounds
+
+fn test3<T: !Trait<Assoc: Send>>() {}
+//~^ ERROR associated type constraints not allowed on negative bounds
+
+fn test4<T>() where T: !Trait<Assoc: Send> {}
+//~^ ERROR associated type constraints not allowed on negative bounds
+
+fn main() {}
diff --git a/tests/ui/traits/negative-bounds/associated-constraints.stderr b/tests/ui/traits/negative-bounds/associated-constraints.stderr
new file mode 100644
index 00000000000..335ac7e5ad9
--- /dev/null
+++ b/tests/ui/traits/negative-bounds/associated-constraints.stderr
@@ -0,0 +1,34 @@
+error: associated type constraints not allowed on negative bounds
+  --> $DIR/associated-constraints.rs:8:19
+   |
+LL | fn test<T: !Trait<Assoc = i32>>() {}
+   |                   ^^^^^^^^^^^
+
+error: associated type constraints not allowed on negative bounds
+  --> $DIR/associated-constraints.rs:11:31
+   |
+LL | fn test2<T>() where T: !Trait<Assoc = i32> {}
+   |                               ^^^^^^^^^^^
+
+error: associated type constraints not allowed on negative bounds
+  --> $DIR/associated-constraints.rs:14:20
+   |
+LL | fn test3<T: !Trait<Assoc: Send>>() {}
+   |                    ^^^^^^^^^^^
+
+error: associated type constraints not allowed on negative bounds
+  --> $DIR/associated-constraints.rs:17:31
+   |
+LL | fn test4<T>() where T: !Trait<Assoc: Send> {}
+   |                               ^^^^^^^^^^^
+
+warning: the feature `negative_bounds` is incomplete and may not be safe to use and/or cause compiler crashes
+  --> $DIR/associated-constraints.rs:1:12
+   |
+LL | #![feature(negative_bounds, associated_type_bounds)]
+   |            ^^^^^^^^^^^^^^^
+   |
+   = note: `#[warn(incomplete_features)]` on by default
+
+error: aborting due to 4 previous errors; 1 warning emitted
+
diff --git a/tests/ui/traits/negative-bounds/simple.rs b/tests/ui/traits/negative-bounds/simple.rs
new file mode 100644
index 00000000000..f6d1d5169c4
--- /dev/null
+++ b/tests/ui/traits/negative-bounds/simple.rs
@@ -0,0 +1,42 @@
+#![feature(negative_bounds, negative_impls)]
+//~^ WARN the feature `negative_bounds` is incomplete and may not be safe to use and/or cause compiler crashes
+
+fn not_copy<T: !Copy>() {}
+
+fn neg_param_env<T: !Copy>() {
+    not_copy::<T>();
+}
+
+fn pos_param_env<T: Copy>() {
+    not_copy::<T>();
+    //~^ ERROR the trait bound `T: !Copy` is not satisfied
+}
+
+fn unknown<T>() {
+    not_copy::<T>();
+    //~^ ERROR the trait bound `T: !Copy` is not satisfied
+}
+
+struct NotCopyable;
+impl !Copy for NotCopyable {}
+
+fn neg_impl() {
+    not_copy::<NotCopyable>();
+}
+
+#[derive(Copy, Clone)]
+struct Copyable;
+
+fn pos_impl() {
+    not_copy::<Copyable>();
+    //~^ ERROR the trait bound `Copyable: !Copy` is not satisfied
+}
+
+struct NotNecessarilyCopyable;
+
+fn unknown_impl() {
+    not_copy::<NotNecessarilyCopyable>();
+    //~^ ERROR the trait bound `NotNecessarilyCopyable: !Copy` is not satisfied
+}
+
+fn main() {}
diff --git a/tests/ui/traits/negative-bounds/simple.stderr b/tests/ui/traits/negative-bounds/simple.stderr
new file mode 100644
index 00000000000..a3cab41a2ce
--- /dev/null
+++ b/tests/ui/traits/negative-bounds/simple.stderr
@@ -0,0 +1,70 @@
+warning: the feature `negative_bounds` is incomplete and may not be safe to use and/or cause compiler crashes
+  --> $DIR/simple.rs:1:12
+   |
+LL | #![feature(negative_bounds, negative_impls)]
+   |            ^^^^^^^^^^^^^^^
+   |
+   = note: `#[warn(incomplete_features)]` on by default
+
+error[E0277]: the trait bound `T: !Copy` is not satisfied
+  --> $DIR/simple.rs:11:16
+   |
+LL |     not_copy::<T>();
+   |                ^ the trait `!Copy` is not implemented for `T`
+   |
+note: required by a bound in `not_copy`
+  --> $DIR/simple.rs:4:16
+   |
+LL | fn not_copy<T: !Copy>() {}
+   |                ^^^^^ required by this bound in `not_copy`
+
+error[E0277]: the trait bound `T: !Copy` is not satisfied
+  --> $DIR/simple.rs:16:16
+   |
+LL |     not_copy::<T>();
+   |                ^ the trait `!Copy` is not implemented for `T`
+   |
+note: required by a bound in `not_copy`
+  --> $DIR/simple.rs:4:16
+   |
+LL | fn not_copy<T: !Copy>() {}
+   |                ^^^^^ required by this bound in `not_copy`
+
+error[E0277]: the trait bound `Copyable: !Copy` is not satisfied
+  --> $DIR/simple.rs:31:16
+   |
+LL |     not_copy::<Copyable>();
+   |                ^^^^^^^^ the trait `!Copy` is not implemented for `Copyable`
+   |
+   = help: the trait `Copy` is implemented for `Copyable`
+note: required by a bound in `not_copy`
+  --> $DIR/simple.rs:4:16
+   |
+LL | fn not_copy<T: !Copy>() {}
+   |                ^^^^^ required by this bound in `not_copy`
+help: consider annotating `Copyable` with `#[derive(Copy)]`
+   |
+LL + #[derive(Copy)]
+LL | struct Copyable;
+   |
+
+error[E0277]: the trait bound `NotNecessarilyCopyable: !Copy` is not satisfied
+  --> $DIR/simple.rs:38:16
+   |
+LL |     not_copy::<NotNecessarilyCopyable>();
+   |                ^^^^^^^^^^^^^^^^^^^^^^ the trait `!Copy` is not implemented for `NotNecessarilyCopyable`
+   |
+note: required by a bound in `not_copy`
+  --> $DIR/simple.rs:4:16
+   |
+LL | fn not_copy<T: !Copy>() {}
+   |                ^^^^^ required by this bound in `not_copy`
+help: consider annotating `NotNecessarilyCopyable` with `#[derive(Copy)]`
+   |
+LL + #[derive(Copy)]
+LL | struct NotNecessarilyCopyable;
+   |
+
+error: aborting due to 4 previous errors; 1 warning emitted
+
+For more information about this error, try `rustc --explain E0277`.
diff --git a/tests/ui/traits/negative-bounds/supertrait.rs b/tests/ui/traits/negative-bounds/supertrait.rs
new file mode 100644
index 00000000000..df0884b8b9f
--- /dev/null
+++ b/tests/ui/traits/negative-bounds/supertrait.rs
@@ -0,0 +1,9 @@
+// check-pass
+
+#![feature(negative_bounds)]
+//~^ WARN the feature `negative_bounds` is incomplete
+
+trait A: !B {}
+trait B: !A {}
+
+fn main() {}
diff --git a/tests/ui/traits/negative-bounds/supertrait.stderr b/tests/ui/traits/negative-bounds/supertrait.stderr
new file mode 100644
index 00000000000..f44753b624e
--- /dev/null
+++ b/tests/ui/traits/negative-bounds/supertrait.stderr
@@ -0,0 +1,10 @@
+warning: the feature `negative_bounds` is incomplete and may not be safe to use and/or cause compiler crashes
+  --> $DIR/supertrait.rs:3:12
+   |
+LL | #![feature(negative_bounds)]
+   |            ^^^^^^^^^^^^^^^
+   |
+   = note: `#[warn(incomplete_features)]` on by default
+
+warning: 1 warning emitted
+
diff --git a/tests/ui/traits/negative-impls/negated-auto-traits-error.stderr b/tests/ui/traits/negative-impls/negated-auto-traits-error.stderr
index b680ce7f990..a53879657f5 100644
--- a/tests/ui/traits/negative-impls/negated-auto-traits-error.stderr
+++ b/tests/ui/traits/negative-impls/negated-auto-traits-error.stderr
@@ -67,7 +67,8 @@ LL |     is_send(Box::new(TestType));
    |
    = note: the trait bound `Unique<dummy2::TestType>: Send` is not satisfied
    = note: required for `Unique<dummy2::TestType>` to implement `Send`
-   = note: required because it appears within the type `Box<TestType>`
+note: required because it appears within the type `Box<TestType>`
+  --> $SRC_DIR/alloc/src/boxed.rs:LL:COL
 note: required by a bound in `is_send`
   --> $DIR/negated-auto-traits-error.rs:16:15
    |
@@ -93,7 +94,8 @@ note: required because it appears within the type `Outer2<TestType>`
 LL | struct Outer2<T>(T);
    |        ^^^^^^
    = note: required for `Unique<Outer2<dummy3::TestType>>` to implement `Send`
-   = note: required because it appears within the type `Box<Outer2<TestType>>`
+note: required because it appears within the type `Box<Outer2<TestType>>`
+  --> $SRC_DIR/alloc/src/boxed.rs:LL:COL
 note: required by a bound in `is_send`
   --> $DIR/negated-auto-traits-error.rs:16:15
    |
diff --git a/tests/ui/traits/new-solver/alias-bound-unsound.rs b/tests/ui/traits/new-solver/alias-bound-unsound.rs
new file mode 100644
index 00000000000..00294c708f1
--- /dev/null
+++ b/tests/ui/traits/new-solver/alias-bound-unsound.rs
@@ -0,0 +1,27 @@
+// compile-flags: -Ztrait-solver=next
+
+// Makes sure that alias bounds are not unsound!
+
+#![feature(trivial_bounds)]
+
+trait Foo {
+    type Item: Copy
+    where
+        <Self as Foo>::Item: Copy;
+
+    fn copy_me(x: &Self::Item) -> Self::Item {
+        *x
+    }
+}
+
+impl Foo for () {
+    type Item = String where String: Copy;
+}
+
+fn main() {
+    let x = String::from("hello, world");
+    drop(<() as Foo>::copy_me(&x));
+    //~^ ERROR `<() as Foo>::Item: Copy` is not satisfied
+    //~| ERROR `<() as Foo>::Item` is not well-formed
+    println!("{x}");
+}
diff --git a/tests/ui/traits/new-solver/alias-bound-unsound.stderr b/tests/ui/traits/new-solver/alias-bound-unsound.stderr
new file mode 100644
index 00000000000..9a43d2a6639
--- /dev/null
+++ b/tests/ui/traits/new-solver/alias-bound-unsound.stderr
@@ -0,0 +1,24 @@
+error[E0277]: the trait bound `<() as Foo>::Item: Copy` is not satisfied
+  --> $DIR/alias-bound-unsound.rs:23:10
+   |
+LL |     drop(<() as Foo>::copy_me(&x));
+   |          ^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Copy` is not implemented for `<() as Foo>::Item`
+   |
+note: required by a bound in `Foo::Item`
+  --> $DIR/alias-bound-unsound.rs:10:30
+   |
+LL |     type Item: Copy
+   |          ---- required by a bound in this associated type
+LL |     where
+LL |         <Self as Foo>::Item: Copy;
+   |                              ^^^^ required by this bound in `Foo::Item`
+
+error: the type `<() as Foo>::Item` is not well-formed
+  --> $DIR/alias-bound-unsound.rs:23:10
+   |
+LL |     drop(<() as Foo>::copy_me(&x));
+   |          ^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: aborting due to 2 previous errors
+
+For more information about this error, try `rustc --explain E0277`.
diff --git a/tests/ui/traits/new-solver/auto-with-drop_tracking_mir.fail.stderr b/tests/ui/traits/new-solver/auto-with-drop_tracking_mir.fail.stderr
index 6a926534e07..4aefdd6bb07 100644
--- a/tests/ui/traits/new-solver/auto-with-drop_tracking_mir.fail.stderr
+++ b/tests/ui/traits/new-solver/auto-with-drop_tracking_mir.fail.stderr
@@ -1,5 +1,5 @@
 error[E0277]: `impl Future<Output = ()>` cannot be sent between threads safely
-  --> $DIR/auto-with-drop_tracking_mir.rs:24:13
+  --> $DIR/auto-with-drop_tracking_mir.rs:25:13
    |
 LL |     is_send(foo());
    |     ------- ^^^^^ `impl Future<Output = ()>` cannot be sent between threads safely
@@ -8,7 +8,7 @@ LL |     is_send(foo());
    |
    = help: the trait `Send` is not implemented for `impl Future<Output = ()>`
 note: required by a bound in `is_send`
-  --> $DIR/auto-with-drop_tracking_mir.rs:23:24
+  --> $DIR/auto-with-drop_tracking_mir.rs:24:24
    |
 LL |     fn is_send(_: impl Send) {}
    |                        ^^^^ required by this bound in `is_send`
diff --git a/tests/ui/traits/new-solver/auto-with-drop_tracking_mir.rs b/tests/ui/traits/new-solver/auto-with-drop_tracking_mir.rs
index a5db7c4636b..f115e143318 100644
--- a/tests/ui/traits/new-solver/auto-with-drop_tracking_mir.rs
+++ b/tests/ui/traits/new-solver/auto-with-drop_tracking_mir.rs
@@ -14,6 +14,7 @@ async fn foo() {
     #[cfg(fail)]
     let x = &NotSync;
     bar().await;
+    #[allow(drop_ref)]
     drop(x);
 }
 
diff --git a/tests/ui/traits/new-solver/nested-alias-bound.rs b/tests/ui/traits/new-solver/nested-alias-bound.rs
new file mode 100644
index 00000000000..c365902dbe5
--- /dev/null
+++ b/tests/ui/traits/new-solver/nested-alias-bound.rs
@@ -0,0 +1,20 @@
+// compile-flags: -Ztrait-solver=next
+// check-pass
+
+trait A {
+    type A: B;
+}
+
+trait B {
+    type B: C;
+}
+
+trait C {}
+
+fn needs_c<T: C>() {}
+
+fn test<T: A>() {
+    needs_c::<<T::A as B>::B>();
+}
+
+fn main() {}
diff --git a/tests/ui/traits/new-solver/temporary-ambiguity.rs b/tests/ui/traits/new-solver/temporary-ambiguity.rs
index 18ee0545700..c6c11a1a1de 100644
--- a/tests/ui/traits/new-solver/temporary-ambiguity.rs
+++ b/tests/ui/traits/new-solver/temporary-ambiguity.rs
@@ -18,5 +18,5 @@ fn main() {
     let w = Wrapper(x);
     needs_foo(w);
     x = 1;
-    drop(x);
+    let _ = x;
 }
diff --git a/tests/ui/traits/non_lifetime_binders/drop-impl-pred.no.stderr b/tests/ui/traits/non_lifetime_binders/drop-impl-pred.no.stderr
new file mode 100644
index 00000000000..a985b1a6e12
--- /dev/null
+++ b/tests/ui/traits/non_lifetime_binders/drop-impl-pred.no.stderr
@@ -0,0 +1,24 @@
+warning: the feature `non_lifetime_binders` is incomplete and may not be safe to use and/or cause compiler crashes
+  --> $DIR/drop-impl-pred.rs:6:12
+   |
+LL | #![feature(non_lifetime_binders)]
+   |            ^^^^^^^^^^^^^^^^^^^^
+   |
+   = note: see issue #108185 <https://github.com/rust-lang/rust/issues/108185> for more information
+   = note: `#[warn(incomplete_features)]` on by default
+
+error[E0367]: `Drop` impl requires `H: Foo` but the struct it is implemented for does not
+  --> $DIR/drop-impl-pred.rs:19:15
+   |
+LL |     for<H> H: Foo,
+   |               ^^^
+   |
+note: the implementor must specify the same requirement
+  --> $DIR/drop-impl-pred.rs:12:1
+   |
+LL | struct Bar<T>(T) where T: Foo;
+   | ^^^^^^^^^^^^^
+
+error: aborting due to previous error; 1 warning emitted
+
+For more information about this error, try `rustc --explain E0367`.
diff --git a/tests/ui/traits/non_lifetime_binders/drop-impl-pred.rs b/tests/ui/traits/non_lifetime_binders/drop-impl-pred.rs
new file mode 100644
index 00000000000..c65b5ea9ba4
--- /dev/null
+++ b/tests/ui/traits/non_lifetime_binders/drop-impl-pred.rs
@@ -0,0 +1,25 @@
+// revisions: no yes
+//[yes] check-pass
+
+// Issue 110557
+
+#![feature(non_lifetime_binders)]
+//~^ WARN the feature `non_lifetime_binders` is incomplete
+
+pub trait Foo {}
+
+#[cfg(no)]
+struct Bar<T>(T) where T: Foo;
+
+#[cfg(yes)]
+struct Bar<T>(T) where for<H> H: Foo;
+
+impl<T> Drop for Bar<T>
+where
+    for<H> H: Foo,
+//[no]~^ ERROR `Drop` impl requires `H: Foo` but the struct it is implemented for does not
+{
+    fn drop(&mut self) {}
+}
+
+fn main() {}
diff --git a/tests/ui/traits/non_lifetime_binders/drop-impl-pred.yes.stderr b/tests/ui/traits/non_lifetime_binders/drop-impl-pred.yes.stderr
new file mode 100644
index 00000000000..165cf2ee13d
--- /dev/null
+++ b/tests/ui/traits/non_lifetime_binders/drop-impl-pred.yes.stderr
@@ -0,0 +1,11 @@
+warning: the feature `non_lifetime_binders` is incomplete and may not be safe to use and/or cause compiler crashes
+  --> $DIR/drop-impl-pred.rs:6:12
+   |
+LL | #![feature(non_lifetime_binders)]
+   |            ^^^^^^^^^^^^^^^^^^^^
+   |
+   = note: see issue #108185 <https://github.com/rust-lang/rust/issues/108185> for more information
+   = note: `#[warn(incomplete_features)]` on by default
+
+warning: 1 warning emitted
+
diff --git a/tests/ui/traits/non_lifetime_binders/supertrait-object-safety.stderr b/tests/ui/traits/non_lifetime_binders/supertrait-object-safety.stderr
index 47fa29b6648..d56519223f4 100644
--- a/tests/ui/traits/non_lifetime_binders/supertrait-object-safety.stderr
+++ b/tests/ui/traits/non_lifetime_binders/supertrait-object-safety.stderr
@@ -20,8 +20,7 @@ LL | trait Foo: for<T> Bar<T> {}
    |       ---  ^^^^^^^^^^^^^ ...because where clause cannot reference non-lifetime `for<...>` variables
    |       |
    |       this trait cannot be made into an object...
-   = note: required for `&()` to implement `CoerceUnsized<&dyn Foo>`
-   = note: required by cast to type `&dyn Foo`
+   = note: required for the cast from `&()` to `&dyn Foo`
 
 error[E0038]: the trait `Foo` cannot be made into an object
   --> $DIR/supertrait-object-safety.rs:19:12
diff --git a/tests/ui/traits/non_lifetime_binders/universe-error1.rs b/tests/ui/traits/non_lifetime_binders/universe-error1.rs
new file mode 100644
index 00000000000..eadee6b711e
--- /dev/null
+++ b/tests/ui/traits/non_lifetime_binders/universe-error1.rs
@@ -0,0 +1,18 @@
+#![feature(non_lifetime_binders)]
+//~^ WARN the feature `non_lifetime_binders` is incomplete
+
+trait Other<U: ?Sized> {}
+
+impl<U: ?Sized> Other<U> for U {}
+
+#[rustfmt::skip]
+fn foo<U: ?Sized>()
+where
+    for<T> T: Other<U> {}
+
+fn bar() {
+    foo::<_>();
+    //~^ ERROR the trait bound `T: Other<_>` is not satisfied
+}
+
+fn main() {}
diff --git a/tests/ui/traits/non_lifetime_binders/universe-error1.stderr b/tests/ui/traits/non_lifetime_binders/universe-error1.stderr
new file mode 100644
index 00000000000..bfcad72e352
--- /dev/null
+++ b/tests/ui/traits/non_lifetime_binders/universe-error1.stderr
@@ -0,0 +1,27 @@
+warning: the feature `non_lifetime_binders` is incomplete and may not be safe to use and/or cause compiler crashes
+  --> $DIR/universe-error1.rs:1:12
+   |
+LL | #![feature(non_lifetime_binders)]
+   |            ^^^^^^^^^^^^^^^^^^^^
+   |
+   = note: see issue #108185 <https://github.com/rust-lang/rust/issues/108185> for more information
+   = note: `#[warn(incomplete_features)]` on by default
+
+error[E0277]: the trait bound `T: Other<_>` is not satisfied
+  --> $DIR/universe-error1.rs:14:11
+   |
+LL |     foo::<_>();
+   |           ^ the trait `Other<_>` is not implemented for `T`
+   |
+note: required by a bound in `foo`
+  --> $DIR/universe-error1.rs:11:15
+   |
+LL | fn foo<U: ?Sized>()
+   |    --- required by a bound in this function
+LL | where
+LL |     for<T> T: Other<U> {}
+   |               ^^^^^^^^ required by this bound in `foo`
+
+error: aborting due to previous error; 1 warning emitted
+
+For more information about this error, try `rustc --explain E0277`.
diff --git a/tests/ui/traits/object/safety.stderr b/tests/ui/traits/object/safety.stderr
index dc18adeafc7..a51b6975938 100644
--- a/tests/ui/traits/object/safety.stderr
+++ b/tests/ui/traits/object/safety.stderr
@@ -11,8 +11,7 @@ LL | trait Tr {
    |       -- this trait cannot be made into an object...
 LL |     fn foo();
    |        ^^^ ...because associated function `foo` has no `self` parameter
-   = note: required for `&St` to implement `CoerceUnsized<&dyn Tr>`
-   = note: required by cast to type `&dyn Tr`
+   = note: required for the cast from `&St` to `&dyn Tr`
 help: consider turning `foo` into a method by giving it a `&self` argument
    |
 LL |     fn foo(&self);
diff --git a/tests/ui/traits/test-2.stderr b/tests/ui/traits/test-2.stderr
index 6c0e8b8af4b..74a0fc42708 100644
--- a/tests/ui/traits/test-2.stderr
+++ b/tests/ui/traits/test-2.stderr
@@ -76,8 +76,7 @@ LL | trait bar { fn dup(&self) -> Self; fn blah<X>(&self); }
    |       this trait cannot be made into an object...
    = help: consider moving `dup` to another trait
    = help: consider moving `blah` to another trait
-   = note: required for `Box<{integer}>` to implement `CoerceUnsized<Box<dyn bar>>`
-   = note: required by cast to type `Box<dyn bar>`
+   = note: required for the cast from `Box<{integer}>` to `Box<dyn bar>`
 
 error: aborting due to 5 previous errors
 
diff --git a/tests/ui/traits/trait-upcasting/type-checking-test-1.stderr b/tests/ui/traits/trait-upcasting/type-checking-test-1.stderr
index fe269d8e99b..82b4e9bd72a 100644
--- a/tests/ui/traits/trait-upcasting/type-checking-test-1.stderr
+++ b/tests/ui/traits/trait-upcasting/type-checking-test-1.stderr
@@ -15,7 +15,7 @@ error[E0277]: the trait bound `&dyn Foo: Bar<_>` is not satisfied
 LL |     let _ = x as &dyn Bar<_>; // Ambiguous
    |             ^ the trait `Bar<_>` is not implemented for `&dyn Foo`
    |
-   = note: required for the cast from `&dyn Foo` to the object type `dyn Bar<_>`
+   = note: required for the cast from `&&dyn Foo` to `&dyn Bar<_>`
 
 error: aborting due to 2 previous errors
 
diff --git a/tests/ui/traits/trait-upcasting/type-checking-test-2.stderr b/tests/ui/traits/trait-upcasting/type-checking-test-2.stderr
index ef007d5cb90..856303ef4dd 100644
--- a/tests/ui/traits/trait-upcasting/type-checking-test-2.stderr
+++ b/tests/ui/traits/trait-upcasting/type-checking-test-2.stderr
@@ -15,7 +15,7 @@ error[E0277]: the trait bound `&dyn Foo<i32>: Bar<u32>` is not satisfied
 LL |     let _ = x as &dyn Bar<u32>; // Error
    |             ^ the trait `Bar<u32>` is not implemented for `&dyn Foo<i32>`
    |
-   = note: required for the cast from `&dyn Foo<i32>` to the object type `dyn Bar<u32>`
+   = note: required for the cast from `&&dyn Foo<i32>` to `&dyn Bar<u32>`
 
 error[E0605]: non-primitive cast: `&dyn Foo<u32>` as `&dyn Bar<_>`
   --> $DIR/type-checking-test-2.rs:25:13
@@ -34,7 +34,7 @@ error[E0277]: the trait bound `&dyn Foo<u32>: Bar<_>` is not satisfied
 LL |     let a = x as &dyn Bar<_>; // Ambiguous
    |             ^ the trait `Bar<_>` is not implemented for `&dyn Foo<u32>`
    |
-   = note: required for the cast from `&dyn Foo<u32>` to the object type `dyn Bar<_>`
+   = note: required for the cast from `&&dyn Foo<u32>` to `&dyn Bar<_>`
 
 error: aborting due to 4 previous errors
 
diff --git a/tests/ui/traits/unsend-future.stderr b/tests/ui/traits/unsend-future.stderr
index 4aaa7c4a924..6ce1cf452f4 100644
--- a/tests/ui/traits/unsend-future.stderr
+++ b/tests/ui/traits/unsend-future.stderr
@@ -6,12 +6,12 @@ LL |     require_handler(handler)
    |
    = help: within `impl Future<Output = ()>`, the trait `Send` is not implemented for `*const i32`
 note: future is not `Send` as this value is used across an await
-  --> $DIR/unsend-future.rs:15:13
+  --> $DIR/unsend-future.rs:15:14
    |
 LL |     let a = &1 as *const i32;
    |         - has type `*const i32` which is not `Send`
 LL |     async {}.await;
-   |             ^^^^^^ await occurs here, with `a` maybe used later
+   |              ^^^^^ await occurs here, with `a` maybe used later
 LL | }
    | - `a` is later dropped here
 note: required by a bound in `require_handler`
diff --git a/tests/ui/trivial-bounds/trivial-bounds-inconsistent-copy-reborrow.stderr b/tests/ui/trivial-bounds/trivial-bounds-inconsistent-copy-reborrow.stderr
index 39b60c31197..c054ddb893d 100644
--- a/tests/ui/trivial-bounds/trivial-bounds-inconsistent-copy-reborrow.stderr
+++ b/tests/ui/trivial-bounds/trivial-bounds-inconsistent-copy-reborrow.stderr
@@ -7,7 +7,7 @@ LL |     *t
 help: consider changing this to be a mutable reference
    |
 LL | fn reborrow_mut<'a>(t: &'a mut &'a mut i32) -> &'a mut i32 where &'a mut i32: Copy {
-   |                        ~~~~~~~~~~~~~~~~~~~
+   |                            +++
 
 error[E0596]: cannot borrow `**t` as mutable, as it is behind a `&` reference
   --> $DIR/trivial-bounds-inconsistent-copy-reborrow.rs:10:6
@@ -18,7 +18,7 @@ LL |     {*t}
 help: consider changing this to be a mutable reference
    |
 LL | fn copy_reborrow_mut<'a>(t: &'a mut &'a mut i32) -> &'a mut i32 where &'a mut i32: Copy {
-   |                             ~~~~~~~~~~~~~~~~~~~
+   |                                 +++
 
 error: aborting due to 2 previous errors
 
diff --git a/tests/ui/trivial-bounds/trivial-bounds-inconsistent-copy.rs b/tests/ui/trivial-bounds/trivial-bounds-inconsistent-copy.rs
index 3416503b851..6ed7667115a 100644
--- a/tests/ui/trivial-bounds/trivial-bounds-inconsistent-copy.rs
+++ b/tests/ui/trivial-bounds/trivial-bounds-inconsistent-copy.rs
@@ -1,6 +1,8 @@
 // check-pass
 // Check tautalogically false `Copy` bounds
+
 #![feature(trivial_bounds)]
+#![allow(drop_ref, drop_copy)]
 
 fn copy_string(t: String) -> String where String: Copy { //~ WARNING trivial_bounds
     is_copy(&t);
diff --git a/tests/ui/trivial-bounds/trivial-bounds-inconsistent-copy.stderr b/tests/ui/trivial-bounds/trivial-bounds-inconsistent-copy.stderr
index 1e26623899b..deeb352a2a8 100644
--- a/tests/ui/trivial-bounds/trivial-bounds-inconsistent-copy.stderr
+++ b/tests/ui/trivial-bounds/trivial-bounds-inconsistent-copy.stderr
@@ -1,5 +1,5 @@
 warning: trait bound String: Copy does not depend on any type or lifetime parameters
-  --> $DIR/trivial-bounds-inconsistent-copy.rs:5:51
+  --> $DIR/trivial-bounds-inconsistent-copy.rs:7:51
    |
 LL | fn copy_string(t: String) -> String where String: Copy {
    |                                                   ^^^^
@@ -7,19 +7,19 @@ LL | fn copy_string(t: String) -> String where String: Copy {
    = note: `#[warn(trivial_bounds)]` on by default
 
 warning: trait bound String: Copy does not depend on any type or lifetime parameters
-  --> $DIR/trivial-bounds-inconsistent-copy.rs:12:56
+  --> $DIR/trivial-bounds-inconsistent-copy.rs:14:56
    |
 LL | fn copy_out_string(t: &String) -> String where String: Copy {
    |                                                        ^^^^
 
 warning: trait bound String: Copy does not depend on any type or lifetime parameters
-  --> $DIR/trivial-bounds-inconsistent-copy.rs:16:55
+  --> $DIR/trivial-bounds-inconsistent-copy.rs:18:55
    |
 LL | fn copy_string_with_param<T>(x: String) where String: Copy {
    |                                                       ^^^^
 
 warning: trait bound for<'b> &'b mut i32: Copy does not depend on any type or lifetime parameters
-  --> $DIR/trivial-bounds-inconsistent-copy.rs:22:76
+  --> $DIR/trivial-bounds-inconsistent-copy.rs:24:76
    |
 LL | fn copy_mut<'a>(t: &&'a mut i32) -> &'a mut i32 where for<'b> &'b mut i32: Copy {
    |                                                                            ^^^^
diff --git a/tests/ui/type-alias-impl-trait/associated-type-impl-trait-lifetime.rs b/tests/ui/type-alias-impl-trait/associated-type-impl-trait-lifetime.rs
index 551815d021a..58eaa9c2c42 100644
--- a/tests/ui/type-alias-impl-trait/associated-type-impl-trait-lifetime.rs
+++ b/tests/ui/type-alias-impl-trait/associated-type-impl-trait-lifetime.rs
@@ -5,15 +5,16 @@
 trait Trait {
     type Opaque1;
     type Opaque2;
-    fn constrain(self);
+    fn constrain(self) -> (Self::Opaque1, Self::Opaque2);
 }
 
 impl<'a> Trait for &'a () {
     type Opaque1 = impl Sized;
     type Opaque2 = impl Sized + 'a;
-    fn constrain(self) {
-        let _: Self::Opaque1 = ();
-        let _: Self::Opaque2 = self;
+    fn constrain(self) -> (Self::Opaque1, Self::Opaque2) {
+        let a: Self::Opaque1 = ();
+        let b: Self::Opaque2 = self;
+        (a, b)
     }
 }
 
diff --git a/tests/ui/type-alias-impl-trait/invalid_impl_trait_in_assoc_ty.rs b/tests/ui/type-alias-impl-trait/invalid_impl_trait_in_assoc_ty.rs
new file mode 100644
index 00000000000..93c52126d69
--- /dev/null
+++ b/tests/ui/type-alias-impl-trait/invalid_impl_trait_in_assoc_ty.rs
@@ -0,0 +1,16 @@
+#![feature(impl_trait_in_assoc_type)]
+
+trait Foo {
+    type Foo;
+    fn bar();
+}
+
+impl Foo for () {
+    type Foo = impl std::fmt::Debug;
+    fn bar() {
+        let x: Self::Foo = ();
+        //~^ ERROR: mismatched types
+    }
+}
+
+fn main() {}
diff --git a/tests/ui/type-alias-impl-trait/invalid_impl_trait_in_assoc_ty.stderr b/tests/ui/type-alias-impl-trait/invalid_impl_trait_in_assoc_ty.stderr
new file mode 100644
index 00000000000..2beed73cb85
--- /dev/null
+++ b/tests/ui/type-alias-impl-trait/invalid_impl_trait_in_assoc_ty.stderr
@@ -0,0 +1,22 @@
+error[E0308]: mismatched types
+  --> $DIR/invalid_impl_trait_in_assoc_ty.rs:11:28
+   |
+LL |     type Foo = impl std::fmt::Debug;
+   |                -------------------- the expected opaque type
+LL |     fn bar() {
+LL |         let x: Self::Foo = ();
+   |                ---------   ^^ expected opaque type, found `()`
+   |                |
+   |                expected due to this
+   |
+   = note: expected opaque type `<() as Foo>::Foo`
+                found unit type `()`
+note: this item must have the opaque type in its signature in order to be able to register hidden types
+  --> $DIR/invalid_impl_trait_in_assoc_ty.rs:10:5
+   |
+LL |     fn bar() {
+   |     ^^^^^^^^
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0308`.
diff --git a/tests/ui/type-alias-impl-trait/issue-98604.stderr b/tests/ui/type-alias-impl-trait/issue-98604.stderr
index fa16d321890..af758d8099f 100644
--- a/tests/ui/type-alias-impl-trait/issue-98604.stderr
+++ b/tests/ui/type-alias-impl-trait/issue-98604.stderr
@@ -4,7 +4,7 @@ error[E0271]: expected `test` to be a fn item that returns `Pin<Box<dyn Future<O
 LL |     Box::new(test) as AsyncFnPtr;
    |     ^^^^^^^^^^^^^^ expected `Pin<Box<dyn Future<Output = ()>>>`, found future
    |
-   = note: required for the cast from `fn() -> impl Future<Output = ()> {test}` to the object type `dyn Fn() -> Pin<Box<(dyn Future<Output = ()> + 'static)>>`
+   = note: required for the cast from `Box<fn() -> impl Future<Output = ()> {test}>` to `Box<(dyn Fn() -> Pin<Box<(dyn Future<Output = ()> + 'static)>> + 'static)>`
 
 error: aborting due to previous error
 
diff --git a/tests/ui/type-alias-impl-trait/issue-98608.stderr b/tests/ui/type-alias-impl-trait/issue-98608.stderr
index 506d40cb776..9b651008371 100644
--- a/tests/ui/type-alias-impl-trait/issue-98608.stderr
+++ b/tests/ui/type-alias-impl-trait/issue-98608.stderr
@@ -9,7 +9,7 @@ LL |     let b: Box<dyn Fn() -> Box<u8>> = Box::new(hi);
    |
    = note:   expected struct `Box<u8>`
            found opaque type `impl Sized`
-   = note: required for the cast from `fn() -> impl Sized {hi}` to the object type `dyn Fn() -> Box<u8>`
+   = note: required for the cast from `Box<fn() -> impl Sized {hi}>` to `Box<dyn Fn() -> Box<u8>>`
 
 error: aborting due to previous error
 
diff --git a/tests/ui/type-alias-impl-trait/wf-in-associated-type.fail.stderr b/tests/ui/type-alias-impl-trait/wf-in-associated-type.fail.stderr
new file mode 100644
index 00000000000..9e96323ab54
--- /dev/null
+++ b/tests/ui/type-alias-impl-trait/wf-in-associated-type.fail.stderr
@@ -0,0 +1,25 @@
+error[E0309]: the parameter type `T` may not live long enough
+  --> $DIR/wf-in-associated-type.rs:36:23
+   |
+LL |         type Opaque = impl Sized + 'a;
+   |                       ^^^^^^^^^^^^^^^ ...so that the type `&'a T` will meet its required lifetime bounds
+   |
+help: consider adding an explicit lifetime bound...
+   |
+LL |     impl<'a, T: 'a> Trait<'a, T> for () {
+   |               ++++
+
+error[E0309]: the parameter type `T` may not live long enough
+  --> $DIR/wf-in-associated-type.rs:36:23
+   |
+LL |         type Opaque = impl Sized + 'a;
+   |                       ^^^^^^^^^^^^^^^ ...so that the reference type `&'a T` does not outlive the data it points at
+   |
+help: consider adding an explicit lifetime bound...
+   |
+LL |     impl<'a, T: 'a> Trait<'a, T> for () {
+   |               ++++
+
+error: aborting due to 2 previous errors
+
+For more information about this error, try `rustc --explain E0309`.
diff --git a/tests/ui/type-alias-impl-trait/wf-in-associated-type.rs b/tests/ui/type-alias-impl-trait/wf-in-associated-type.rs
new file mode 100644
index 00000000000..31fbef9f78f
--- /dev/null
+++ b/tests/ui/type-alias-impl-trait/wf-in-associated-type.rs
@@ -0,0 +1,45 @@
+// WF check for impl Trait in associated type position.
+//
+// revisions: pass fail
+// [pass] check-pass
+// [fail] check-fail
+
+#![feature(impl_trait_in_assoc_type)]
+
+// The hidden type here (`&'a T`) requires proving `T: 'a`.
+// We know it holds because of implied bounds from the impl header.
+#[cfg(pass)]
+mod pass {
+    trait Trait<Req> {
+        type Opaque1;
+        fn constrain_opaque1(req: Req) -> Self::Opaque1;
+    }
+
+    impl<'a, T> Trait<&'a T> for () {
+        type Opaque1 = impl IntoIterator<Item = impl Sized + 'a>;
+        fn constrain_opaque1(req: &'a T) -> Self::Opaque1 {
+            [req]
+        }
+    }
+}
+
+// The hidden type here (`&'a T`) requires proving `T: 'a`,
+// but that is not known to hold in the impl.
+#[cfg(fail)]
+mod fail {
+    trait Trait<'a, T> {
+        type Opaque;
+        fn constrain_opaque(req: &'a T) -> Self::Opaque;
+    }
+
+    impl<'a, T> Trait<'a, T> for () {
+        type Opaque = impl Sized + 'a;
+        //[fail]~^ ERROR the parameter type `T` may not live long enough
+        //[fail]~| ERROR the parameter type `T` may not live long enough
+        fn constrain_opaque(req: &'a T) -> Self::Opaque {
+            req
+        }
+    }
+}
+
+fn main() {}
diff --git a/tests/ui/type-alias-impl-trait/wf-nested.fail.stderr b/tests/ui/type-alias-impl-trait/wf-nested.fail.stderr
new file mode 100644
index 00000000000..753a46e882e
--- /dev/null
+++ b/tests/ui/type-alias-impl-trait/wf-nested.fail.stderr
@@ -0,0 +1,19 @@
+error[E0310]: the parameter type `T` may not live long enough
+  --> $DIR/wf-nested.rs:55:27
+   |
+LL |     type InnerOpaque<T> = impl Sized;
+   |                           ^^^^^^^^^^ ...so that the type `T` will meet its required lifetime bounds...
+   |
+note: ...that is required by this bound
+  --> $DIR/wf-nested.rs:12:20
+   |
+LL | struct IsStatic<T: 'static>(T);
+   |                    ^^^^^^^
+help: consider adding an explicit lifetime bound...
+   |
+LL |     type InnerOpaque<T: 'static> = impl Sized;
+   |                       +++++++++
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0310`.
diff --git a/tests/ui/type-alias-impl-trait/wf-nested.pass_sound.stderr b/tests/ui/type-alias-impl-trait/wf-nested.pass_sound.stderr
new file mode 100644
index 00000000000..9ab6685a7f7
--- /dev/null
+++ b/tests/ui/type-alias-impl-trait/wf-nested.pass_sound.stderr
@@ -0,0 +1,14 @@
+error[E0310]: the parameter type `T` may not live long enough
+  --> $DIR/wf-nested.rs:46:17
+   |
+LL |         let _ = outer.get();
+   |                 ^^^^^^^^^^^ ...so that the type `T` will meet its required lifetime bounds
+   |
+help: consider adding an explicit lifetime bound...
+   |
+LL |     fn test<T: 'static>() {
+   |              +++++++++
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0310`.
diff --git a/tests/ui/type-alias-impl-trait/wf-nested.rs b/tests/ui/type-alias-impl-trait/wf-nested.rs
new file mode 100644
index 00000000000..de388329489
--- /dev/null
+++ b/tests/ui/type-alias-impl-trait/wf-nested.rs
@@ -0,0 +1,60 @@
+// Well-formedness of nested opaque types, i.e. `impl Sized` in
+// `type Outer = impl Trait<Assoc = impl Sized>`.
+// See the comments below.
+//
+// revisions: pass pass_sound fail
+// [pass] check-pass
+// [pass_sound] check-fail
+// [fail] check-fail
+
+#![feature(type_alias_impl_trait)]
+
+struct IsStatic<T: 'static>(T);
+
+trait Trait<In> {
+    type Out;
+
+    fn get(&self) -> Result<Self::Out, ()> {
+        Err(())
+    }
+}
+
+impl<T> Trait<&'static T> for () {
+    type Out = IsStatic<T>;
+}
+
+// The hidden type for `impl Sized` is `IsStatic<T>`, which requires `T: 'static`.
+// We know it is well-formed because it can *only* be referenced as a projection:
+// <OuterOpaque<T> as Trait<&'static T>>::Out`.
+// So any instantiation of the type already requires proving `T: 'static`.
+#[cfg(pass)]
+mod pass {
+    use super::*;
+    type OuterOpaque<T> = impl Trait<&'static T, Out = impl Sized>;
+    fn define<T>() -> OuterOpaque<T> {}
+}
+
+// Test the soundness of `pass` - We should require `T: 'static` at the use site.
+#[cfg(pass_sound)]
+mod pass_sound {
+    use super::*;
+    type OuterOpaque<T> = impl Trait<&'static T, Out = impl Sized>;
+    fn define<T>() -> OuterOpaque<T> {}
+
+    fn test<T>() {
+        let outer = define::<T>();
+        let _ = outer.get(); //[pass_sound]~ ERROR `T` may not live long enough
+    }
+}
+
+// Similar to `pass` but here `impl Sized` can be referenced directly as
+// InnerOpaque<T>, so we require an explicit bound `T: 'static`.
+#[cfg(fail)]
+mod fail {
+    use super::*;
+    type InnerOpaque<T> = impl Sized; //[fail]~ ERROR `T` may not live long enough
+    type OuterOpaque<T> = impl Trait<&'static T, Out = InnerOpaque<T>>;
+    fn define<T>() -> OuterOpaque<T> {}
+}
+
+fn main() {}
diff --git a/tests/ui/type/ascription/issue-34255-1.rs b/tests/ui/type/ascription/issue-34255-1.rs
index 44b47cc4eb2..7436f83593d 100644
--- a/tests/ui/type/ascription/issue-34255-1.rs
+++ b/tests/ui/type/ascription/issue-34255-1.rs
@@ -1,13 +1,12 @@
+// rustfix
+
 struct Reactor {
     input_cells: Vec<usize>,
 }
 
 impl Reactor {
-    pub fn new() -> Self {
+    pub fn new() -> Self { //~ ERROR struct literal body without path
         input_cells: Vec::new()
-        //~^ ERROR cannot find value `input_cells` in this scope
-        //~| ERROR parenthesized type parameters may only be used with a `Fn` trait
-        //~| ERROR missing generics for struct `Vec`
     }
 }
 
diff --git a/tests/ui/type/ascription/issue-34255-1.stderr b/tests/ui/type/ascription/issue-34255-1.stderr
index fafff19f8f6..254d36cb947 100644
--- a/tests/ui/type/ascription/issue-34255-1.stderr
+++ b/tests/ui/type/ascription/issue-34255-1.stderr
@@ -1,36 +1,18 @@
-error[E0425]: cannot find value `input_cells` in this scope
-  --> $DIR/issue-34255-1.rs:7:9
+error: struct literal body without path
+  --> $DIR/issue-34255-1.rs:8:26
    |
-LL |         input_cells: Vec::new()
-   |         ^^^^^^^^^^^ a field by this name exists in `Self`
+LL |       pub fn new() -> Self {
+   |  __________________________^
+LL | |         input_cells: Vec::new()
+LL | |     }
+   | |_____^
    |
-help: you might have meant to write a `struct` literal
+help: you might have forgotten to add the struct literal inside the block
    |
 LL ~     pub fn new() -> Self { SomeStruct {
 LL |         input_cells: Vec::new()
- ...
-LL |
-LL ~     }}
-   |
-
-error[E0214]: parenthesized type parameters may only be used with a `Fn` trait
-  --> $DIR/issue-34255-1.rs:7:27
-   |
-LL |         input_cells: Vec::new()
-   |                           ^^^^^ only `Fn` traits may use parentheses
-
-error[E0107]: missing generics for struct `Vec`
-  --> $DIR/issue-34255-1.rs:7:22
-   |
-LL |         input_cells: Vec::new()
-   |                      ^^^ expected at least 1 generic argument
-   |
-help: add missing generic argument
+LL ~     } }
    |
-LL |         input_cells: Vec<T>::new()
-   |                         +++
 
-error: aborting due to 3 previous errors
+error: aborting due to previous error
 
-Some errors have detailed explanations: E0107, E0214, E0425.
-For more information about an error, try `rustc --explain E0107`.
diff --git a/tests/ui/type/ascription/issue-47666.fixed b/tests/ui/type/ascription/issue-47666.fixed
index c4db747551e..027c692f900 100644
--- a/tests/ui/type/ascription/issue-47666.fixed
+++ b/tests/ui/type/ascription/issue-47666.fixed
@@ -1,4 +1,4 @@
 // run-rustfix
 fn main() {
-    let _ = Option::Some(vec![0, 1]); //~ ERROR expected type, found
+    let _ = Option::Some(vec![0, 1]); //~ ERROR path separator must be a double colon
 }
diff --git a/tests/ui/type/ascription/issue-47666.rs b/tests/ui/type/ascription/issue-47666.rs
index c67202e2157..e2f5d03ef74 100644
--- a/tests/ui/type/ascription/issue-47666.rs
+++ b/tests/ui/type/ascription/issue-47666.rs
@@ -1,4 +1,4 @@
 // run-rustfix
 fn main() {
-    let _ = Option:Some(vec![0, 1]); //~ ERROR expected type, found
+    let _ = Option:Some(vec![0, 1]); //~ ERROR path separator must be a double colon
 }
diff --git a/tests/ui/type/ascription/issue-47666.stderr b/tests/ui/type/ascription/issue-47666.stderr
index 0f90fce3a42..74d85a75c85 100644
--- a/tests/ui/type/ascription/issue-47666.stderr
+++ b/tests/ui/type/ascription/issue-47666.stderr
@@ -1,16 +1,10 @@
-error: expected type, found `<[_]>::into_vec(#[rustc_box] ::alloc::boxed::Box::new([0, 1]))`
-  --> $DIR/issue-47666.rs:3:25
+error: path separator must be a double colon
+  --> $DIR/issue-47666.rs:3:19
    |
 LL |     let _ = Option:Some(vec![0, 1]);
-   |                   -     ^^^^^^^^^^
-   |                   |     |
-   |                   |     expected type
-   |                   |     in this macro invocation
-   |                   |     this macro call doesn't expand to a type
-   |                   help: maybe write a path separator here: `::`
+   |                   ^ help: use a double colon instead: `::`
    |
-   = note: `#![feature(type_ascription)]` lets you annotate an expression with a type: `<expr>: <type>`
-   = note: this error originates in the macro `$crate::__rust_force_expr` which comes from the expansion of the macro `vec` (in Nightly builds, run with -Z macro-backtrace for more info)
+   = note: if you meant to annotate an expression with a type, the type ascription syntax has been removed, see issue #101728 <https://github.com/rust-lang/rust/issues/101728>
 
 error: aborting due to previous error
 
diff --git a/tests/ui/type/ascription/issue-54516.fixed b/tests/ui/type/ascription/issue-54516.fixed
index f78268894da..48622663b4d 100644
--- a/tests/ui/type/ascription/issue-54516.fixed
+++ b/tests/ui/type/ascription/issue-54516.fixed
@@ -3,5 +3,5 @@ use std::collections::BTreeMap;
 
 fn main() {
     println!("{}", std::mem::size_of::<BTreeMap<u32, u32>>());
-    //~^ ERROR type ascription cannot be followed by a function call
+    //~^ ERROR path separator must be a double colon
 }
diff --git a/tests/ui/type/ascription/issue-54516.rs b/tests/ui/type/ascription/issue-54516.rs
index 1f34e6943ba..9e71d2af1d3 100644
--- a/tests/ui/type/ascription/issue-54516.rs
+++ b/tests/ui/type/ascription/issue-54516.rs
@@ -3,5 +3,5 @@ use std::collections::BTreeMap;
 
 fn main() {
     println!("{}", std::mem:size_of::<BTreeMap<u32, u32>>());
-    //~^ ERROR type ascription cannot be followed by a function call
+    //~^ ERROR path separator must be a double colon
 }
diff --git a/tests/ui/type/ascription/issue-54516.stderr b/tests/ui/type/ascription/issue-54516.stderr
index 1ab9093e584..a1371432f5a 100644
--- a/tests/ui/type/ascription/issue-54516.stderr
+++ b/tests/ui/type/ascription/issue-54516.stderr
@@ -1,12 +1,10 @@
-error: type ascription cannot be followed by a function call
-  --> $DIR/issue-54516.rs:5:20
+error: path separator must be a double colon
+  --> $DIR/issue-54516.rs:5:28
    |
 LL |     println!("{}", std::mem:size_of::<BTreeMap<u32, u32>>());
-   |                    ^^^^^^^^-^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-   |                            |
-   |                            help: maybe write a path separator here: `::`
+   |                            ^ help: use a double colon instead: `::`
    |
-   = note: `#![feature(type_ascription)]` lets you annotate an expression with a type: `<expr>: <type>`
+   = note: if you meant to annotate an expression with a type, the type ascription syntax has been removed, see issue #101728 <https://github.com/rust-lang/rust/issues/101728>
 
 error: aborting due to previous error
 
diff --git a/tests/ui/type/ascription/issue-60933.fixed b/tests/ui/type/ascription/issue-60933.fixed
index 3e8be3875b3..016ad4a7e6a 100644
--- a/tests/ui/type/ascription/issue-60933.fixed
+++ b/tests/ui/type/ascription/issue-60933.fixed
@@ -1,5 +1,5 @@
 // run-rustfix
 fn main() {
     let _: usize = std::mem::size_of::<u32>();
-    //~^ ERROR type ascription cannot be followed by a function call
+    //~^ ERROR path separator must be a double colon
 }
diff --git a/tests/ui/type/ascription/issue-60933.rs b/tests/ui/type/ascription/issue-60933.rs
index 2a4ad7bdc4e..972bf2827f9 100644
--- a/tests/ui/type/ascription/issue-60933.rs
+++ b/tests/ui/type/ascription/issue-60933.rs
@@ -1,5 +1,5 @@
 // run-rustfix
 fn main() {
     let _: usize = std::mem:size_of::<u32>();
-    //~^ ERROR type ascription cannot be followed by a function call
+    //~^ ERROR path separator must be a double colon
 }
diff --git a/tests/ui/type/ascription/issue-60933.stderr b/tests/ui/type/ascription/issue-60933.stderr
index 0b7f8edf624..0ec527ff5a9 100644
--- a/tests/ui/type/ascription/issue-60933.stderr
+++ b/tests/ui/type/ascription/issue-60933.stderr
@@ -1,12 +1,10 @@
-error: type ascription cannot be followed by a function call
-  --> $DIR/issue-60933.rs:3:20
+error: path separator must be a double colon
+  --> $DIR/issue-60933.rs:3:28
    |
 LL |     let _: usize = std::mem:size_of::<u32>();
-   |                    ^^^^^^^^-^^^^^^^^^^^^^^
-   |                            |
-   |                            help: maybe write a path separator here: `::`
+   |                            ^ help: use a double colon instead: `::`
    |
-   = note: `#![feature(type_ascription)]` lets you annotate an expression with a type: `<expr>: <type>`
+   = note: if you meant to annotate an expression with a type, the type ascription syntax has been removed, see issue #101728 <https://github.com/rust-lang/rust/issues/101728>
 
 error: aborting due to previous error
 
diff --git a/tests/ui/type/issue-58355.stderr b/tests/ui/type/issue-58355.stderr
index 6f89a7b0049..67078bcfe89 100644
--- a/tests/ui/type/issue-58355.stderr
+++ b/tests/ui/type/issue-58355.stderr
@@ -6,7 +6,7 @@ LL |     x = Some(Box::new(callback));
    |
    = help: within `fn() -> dyn ToString`, the trait `Sized` is not implemented for `dyn ToString`
    = note: required because it appears within the type `fn() -> dyn ToString`
-   = note: required for the cast from `fn() -> dyn ToString` to the object type `dyn Fn() -> (dyn ToString + 'static)`
+   = note: required for the cast from `Box<fn() -> dyn ToString>` to `Box<dyn Fn() -> (dyn ToString + 'static)>`
 
 error: aborting due to previous error
 
diff --git a/tests/ui/type/missing-let-in-binding-2.fixed b/tests/ui/type/missing-let-in-binding-2.fixed
new file mode 100644
index 00000000000..d64013c8c83
--- /dev/null
+++ b/tests/ui/type/missing-let-in-binding-2.fixed
@@ -0,0 +1,5 @@
+// run-rustfix
+
+fn main() {
+    let _v: Vec<i32> = vec![1, 2, 3]; //~ ERROR expected identifier, found `:`
+}
diff --git a/tests/ui/type/missing-let-in-binding-2.rs b/tests/ui/type/missing-let-in-binding-2.rs
new file mode 100644
index 00000000000..f95f7bef215
--- /dev/null
+++ b/tests/ui/type/missing-let-in-binding-2.rs
@@ -0,0 +1,5 @@
+// run-rustfix
+
+fn main() {
+    _v: Vec<i32> = vec![1, 2, 3]; //~ ERROR expected identifier, found `:`
+}
diff --git a/tests/ui/type/missing-let-in-binding-2.stderr b/tests/ui/type/missing-let-in-binding-2.stderr
new file mode 100644
index 00000000000..2e10125943e
--- /dev/null
+++ b/tests/ui/type/missing-let-in-binding-2.stderr
@@ -0,0 +1,13 @@
+error: expected identifier, found `:`
+  --> $DIR/missing-let-in-binding-2.rs:4:7
+   |
+LL |     _v: Vec<i32> = vec![1, 2, 3];
+   |       ^ expected identifier
+   |
+help: you might have meant to introduce a new binding
+   |
+LL |     let _v: Vec<i32> = vec![1, 2, 3];
+   |     +++
+
+error: aborting due to previous error
+
diff --git a/tests/ui/type/missing-let-in-binding-3.rs b/tests/ui/type/missing-let-in-binding-3.rs
new file mode 100644
index 00000000000..d56b1393336
--- /dev/null
+++ b/tests/ui/type/missing-let-in-binding-3.rs
@@ -0,0 +1,5 @@
+struct A {
+    : :u8, //~ ERROR expected identifier, found `:`
+}
+
+fn main() {}
diff --git a/tests/ui/type/missing-let-in-binding-3.stderr b/tests/ui/type/missing-let-in-binding-3.stderr
new file mode 100644
index 00000000000..ca828ce37eb
--- /dev/null
+++ b/tests/ui/type/missing-let-in-binding-3.stderr
@@ -0,0 +1,10 @@
+error: expected identifier, found `:`
+  --> $DIR/missing-let-in-binding-3.rs:2:5
+   |
+LL | struct A {
+   |        - while parsing this struct
+LL |     : :u8,
+   |     ^ expected identifier
+
+error: aborting due to previous error
+
diff --git a/tests/ui/type/missing-let-in-binding-4.rs b/tests/ui/type/missing-let-in-binding-4.rs
new file mode 100644
index 00000000000..879a6fedcd6
--- /dev/null
+++ b/tests/ui/type/missing-let-in-binding-4.rs
@@ -0,0 +1,5 @@
+struct A {
+    : u8 =, //~ ERROR expected identifier, found `:`
+}
+
+fn main() {}
diff --git a/tests/ui/type/missing-let-in-binding-4.stderr b/tests/ui/type/missing-let-in-binding-4.stderr
new file mode 100644
index 00000000000..e6f173a6658
--- /dev/null
+++ b/tests/ui/type/missing-let-in-binding-4.stderr
@@ -0,0 +1,10 @@
+error: expected identifier, found `:`
+  --> $DIR/missing-let-in-binding-4.rs:2:5
+   |
+LL | struct A {
+   |        - while parsing this struct
+LL |     : u8 =,
+   |     ^ expected identifier
+
+error: aborting due to previous error
+
diff --git a/tests/ui/type/missing-let-in-binding.fixed b/tests/ui/type/missing-let-in-binding.fixed
index d1787688950..4301fed2312 100644
--- a/tests/ui/type/missing-let-in-binding.fixed
+++ b/tests/ui/type/missing-let-in-binding.fixed
@@ -1,5 +1,5 @@
 // run-rustfix
 fn main() {
     let mut _foo: i32 = 1;
-    let _foo: i32 = 4; //~ ERROR type ascription is experimental
+    let _foo: i32 = 4; //~ ERROR expected identifier, found `:`
 }
diff --git a/tests/ui/type/missing-let-in-binding.rs b/tests/ui/type/missing-let-in-binding.rs
index ca42f2e6eac..c0f91d98ff3 100644
--- a/tests/ui/type/missing-let-in-binding.rs
+++ b/tests/ui/type/missing-let-in-binding.rs
@@ -1,5 +1,5 @@
 // run-rustfix
 fn main() {
     let mut _foo: i32 = 1;
-    _foo: i32 = 4; //~ ERROR type ascription is experimental
+    _foo: i32 = 4; //~ ERROR expected identifier, found `:`
 }
diff --git a/tests/ui/type/missing-let-in-binding.stderr b/tests/ui/type/missing-let-in-binding.stderr
index 12759c5096e..fc094e8cbad 100644
--- a/tests/ui/type/missing-let-in-binding.stderr
+++ b/tests/ui/type/missing-let-in-binding.stderr
@@ -1,11 +1,10 @@
-error[E0658]: type ascription is experimental
-  --> $DIR/missing-let-in-binding.rs:4:5
+error: expected identifier, found `:`
+  --> $DIR/missing-let-in-binding.rs:4:9
    |
 LL |     _foo: i32 = 4;
-   |     ^^^^^^^^^
+   |         ^ expected identifier
    |
-   = note: see issue #23416 <https://github.com/rust-lang/rust/issues/23416> for more information
-   = help: add `#![feature(type_ascription)]` to the crate attributes to enable
+   = note: type ascription syntax has been removed, see issue #101728 <https://github.com/rust-lang/rust/issues/101728>
 help: you might have meant to introduce a new binding
    |
 LL |     let _foo: i32 = 4;
@@ -13,4 +12,3 @@ LL |     let _foo: i32 = 4;
 
 error: aborting due to previous error
 
-For more information about this error, try `rustc --explain E0658`.
diff --git a/tests/ui/type/type-ascription-instead-of-statement-end.rs b/tests/ui/type/type-ascription-instead-of-statement-end.rs
index 1d5565ab583..e30e571386b 100644
--- a/tests/ui/type/type-ascription-instead-of-statement-end.rs
+++ b/tests/ui/type/type-ascription-instead-of-statement-end.rs
@@ -1,10 +1,8 @@
-#![feature(type_ascription)]
-
 fn main() {
-    println!("test"):
-    0; //~ ERROR expected type, found `0`
+    println!("test"): //~ ERROR statements are terminated with a semicolon
+    0;
 }
 
 fn foo() {
-    println!("test"): 0; //~ ERROR expected type, found `0`
+    println!("test"): 0; //~ ERROR expected one of
 }
diff --git a/tests/ui/type/type-ascription-instead-of-statement-end.stderr b/tests/ui/type/type-ascription-instead-of-statement-end.stderr
index 521ebcdf192..8c09e78bc5f 100644
--- a/tests/ui/type/type-ascription-instead-of-statement-end.stderr
+++ b/tests/ui/type/type-ascription-instead-of-statement-end.stderr
@@ -1,24 +1,16 @@
-error: expected type, found `0`
-  --> $DIR/type-ascription-instead-of-statement-end.rs:5:5
+error: statements are terminated with a semicolon
+  --> $DIR/type-ascription-instead-of-statement-end.rs:2:21
    |
 LL |     println!("test"):
-   |                     - help: try using a semicolon: `;`
-LL |     0;
-   |     ^ expected type
+   |                     ^ help: use a semicolon instead: `;`
    |
-   = note: `#![feature(type_ascription)]` lets you annotate an expression with a type: `<expr>: <type>`
-   = note: see issue #23416 <https://github.com/rust-lang/rust/issues/23416> for more information
+   = note: if you meant to annotate an expression with a type, the type ascription syntax has been removed, see issue #101728 <https://github.com/rust-lang/rust/issues/101728>
 
-error: expected type, found `0`
-  --> $DIR/type-ascription-instead-of-statement-end.rs:9:23
+error: expected one of `.`, `;`, `?`, `}`, or an operator, found `:`
+  --> $DIR/type-ascription-instead-of-statement-end.rs:7:21
    |
 LL |     println!("test"): 0;
-   |                     - ^ expected type
-   |                     |
-   |                     tried to parse a type due to this type ascription
-   |
-   = note: `#![feature(type_ascription)]` lets you annotate an expression with a type: `<expr>: <type>`
-   = note: see issue #23416 <https://github.com/rust-lang/rust/issues/23416> for more information
+   |                     ^ expected one of `.`, `;`, `?`, `}`, or an operator
 
 error: aborting due to 2 previous errors
 
diff --git a/tests/ui/type/type-ascription-precedence.rs b/tests/ui/type/type-ascription-precedence.rs
index d3aef929b9f..1527bb7aa17 100644
--- a/tests/ui/type/type-ascription-precedence.rs
+++ b/tests/ui/type/type-ascription-precedence.rs
@@ -1,10 +1,8 @@
 // Operator precedence of type ascription
 // Type ascription has very high precedence, the same as operator `as`
-
 #![feature(type_ascription)]
 
 use std::ops::*;
-
 struct S;
 struct Z;
 
@@ -25,30 +23,34 @@ impl Deref for S {
     fn deref(&self) -> &Z { panic!() }
 }
 
-fn main() {
-    &S: &S; // OK
-    (&S): &S; // OK
-    &(S: &S); //~ ERROR mismatched types
+fn test1() {
+    &S: &S; //~ ERROR expected one of
+    (&S): &S;
+    &(S: &S);
+}
+
+fn test2() {
+    *(S: Z); //~ ERROR expected identifier
+}
 
-    *S: Z; // OK
-    (*S): Z; // OK
-    *(S: Z); //~ ERROR mismatched types
-    //~^ ERROR type `Z` cannot be dereferenced
+fn test3() {
+    -(S: Z); //~ ERROR expected identifier
+}
 
-    -S: Z; // OK
-    (-S): Z; // OK
-    -(S: Z); //~ ERROR mismatched types
-    //~^ ERROR cannot apply unary operator `-` to type `Z`
+fn test4() {
+    (S + Z): Z; //~ ERROR expected one of
+}
 
-    S + Z: Z; // OK
-    S + (Z: Z); // OK
-    (S + Z): Z; //~ ERROR mismatched types
+fn test5() {
+    (S * Z): Z; //~ ERROR expected one of
+}
 
-    S * Z: Z; // OK
-    S * (Z: Z); // OK
-    (S * Z): Z; //~ ERROR mismatched types
+fn test6() {
+    S .. S: S; //~ ERROR expected identifier, found `:`
+}
 
-    S .. S: S; // OK
-    S .. (S: S); // OK
-    (S .. S): S; //~ ERROR mismatched types
+fn test7() {
+    (S .. S): S; //~ ERROR expected one of
 }
+
+fn main() {}
diff --git a/tests/ui/type/type-ascription-precedence.stderr b/tests/ui/type/type-ascription-precedence.stderr
index d6d1e1d7d02..09cdc370309 100644
--- a/tests/ui/type/type-ascription-precedence.stderr
+++ b/tests/ui/type/type-ascription-precedence.stderr
@@ -1,63 +1,46 @@
-error[E0308]: mismatched types
-  --> $DIR/type-ascription-precedence.rs:31:7
+error: expected one of `!`, `.`, `::`, `;`, `?`, `{`, `}`, or an operator, found `:`
+  --> $DIR/type-ascription-precedence.rs:27:7
    |
-LL |     &(S: &S);
-   |       ^ expected `&S`, found `S`
+LL |     &S: &S;
+   |       ^ expected one of 8 possible tokens
 
-error[E0308]: mismatched types
-  --> $DIR/type-ascription-precedence.rs:35:7
+error: expected identifier, found `:`
+  --> $DIR/type-ascription-precedence.rs:33:8
    |
 LL |     *(S: Z);
-   |       ^ expected `Z`, found `S`
+   |        ^ expected identifier
 
-error[E0614]: type `Z` cannot be dereferenced
-  --> $DIR/type-ascription-precedence.rs:35:5
-   |
-LL |     *(S: Z);
-   |     ^^^^^^^
-
-error[E0308]: mismatched types
-  --> $DIR/type-ascription-precedence.rs:40:7
-   |
-LL |     -(S: Z);
-   |       ^ expected `Z`, found `S`
-
-error[E0600]: cannot apply unary operator `-` to type `Z`
-  --> $DIR/type-ascription-precedence.rs:40:5
+error: expected identifier, found `:`
+  --> $DIR/type-ascription-precedence.rs:37:8
    |
 LL |     -(S: Z);
-   |     ^^^^^^^ cannot apply unary operator `-`
-   |
-note: an implementation of `std::ops::Neg` might be missing for `Z`
-  --> $DIR/type-ascription-precedence.rs:9:1
-   |
-LL | struct Z;
-   | ^^^^^^^^ must implement `std::ops::Neg`
-note: the trait `std::ops::Neg` must be implemented
-  --> $SRC_DIR/core/src/ops/arith.rs:LL:COL
+   |        ^ expected identifier
 
-error[E0308]: mismatched types
-  --> $DIR/type-ascription-precedence.rs:45:5
+error: expected one of `.`, `;`, `?`, `}`, or an operator, found `:`
+  --> $DIR/type-ascription-precedence.rs:41:12
    |
 LL |     (S + Z): Z;
-   |     ^^^^^^^ expected `Z`, found `S`
+   |            ^ expected one of `.`, `;`, `?`, `}`, or an operator
 
-error[E0308]: mismatched types
-  --> $DIR/type-ascription-precedence.rs:49:5
+error: expected one of `.`, `;`, `?`, `}`, or an operator, found `:`
+  --> $DIR/type-ascription-precedence.rs:45:12
    |
 LL |     (S * Z): Z;
-   |     ^^^^^^^ expected `Z`, found `S`
+   |            ^ expected one of `.`, `;`, `?`, `}`, or an operator
 
-error[E0308]: mismatched types
-  --> $DIR/type-ascription-precedence.rs:53:5
+error: expected identifier, found `:`
+  --> $DIR/type-ascription-precedence.rs:49:11
    |
-LL |     (S .. S): S;
-   |     ^^^^^^^^ expected `S`, found `Range<S>`
+LL |     S .. S: S;
+   |           ^ expected identifier
    |
-   = note: expected struct `S`
-              found struct `std::ops::Range<S>`
+   = note: type ascription syntax has been removed, see issue #101728 <https://github.com/rust-lang/rust/issues/101728>
+
+error: expected one of `.`, `;`, `?`, `}`, or an operator, found `:`
+  --> $DIR/type-ascription-precedence.rs:53:13
+   |
+LL |     (S .. S): S;
+   |             ^ expected one of `.`, `;`, `?`, `}`, or an operator
 
-error: aborting due to 8 previous errors
+error: aborting due to 7 previous errors
 
-Some errors have detailed explanations: E0308, E0600, E0614.
-For more information about an error, try `rustc --explain E0308`.
diff --git a/tests/ui/type/type-ascription-with-fn-call.fixed b/tests/ui/type/type-ascription-with-fn-call.fixed
index 6d96c4303c3..847f3309973 100644
--- a/tests/ui/type/type-ascription-with-fn-call.fixed
+++ b/tests/ui/type/type-ascription-with-fn-call.fixed
@@ -1,9 +1,7 @@
 // run-rustfix
-#![feature(type_ascription)]
-
 fn main() {
-    f()  ;
-    f(); //~ ERROR expected type, found function
+    f()  ; //~ ERROR statements are terminated with a semicolon
+    f();
 }
 
 fn f() {}
diff --git a/tests/ui/type/type-ascription-with-fn-call.rs b/tests/ui/type/type-ascription-with-fn-call.rs
index ed4f7c9041c..1db48b0adc4 100644
--- a/tests/ui/type/type-ascription-with-fn-call.rs
+++ b/tests/ui/type/type-ascription-with-fn-call.rs
@@ -1,9 +1,7 @@
 // run-rustfix
-#![feature(type_ascription)]
-
 fn main() {
-    f()  :
-    f(); //~ ERROR expected type, found function
+    f()  : //~ ERROR statements are terminated with a semicolon
+    f();
 }
 
 fn f() {}
diff --git a/tests/ui/type/type-ascription-with-fn-call.stderr b/tests/ui/type/type-ascription-with-fn-call.stderr
index d78fd08fd60..e3afa497ac2 100644
--- a/tests/ui/type/type-ascription-with-fn-call.stderr
+++ b/tests/ui/type/type-ascription-with-fn-call.stderr
@@ -1,11 +1,10 @@
-error[E0573]: expected type, found function `f`
-  --> $DIR/type-ascription-with-fn-call.rs:6:5
+error: statements are terminated with a semicolon
+  --> $DIR/type-ascription-with-fn-call.rs:3:10
    |
 LL |     f()  :
-   |          - help: maybe you meant to write `;` here
-LL |     f();
-   |     ^^^ expecting a type here because of type ascription
+   |          ^ help: use a semicolon instead: `;`
+   |
+   = note: if you meant to annotate an expression with a type, the type ascription syntax has been removed, see issue #101728 <https://github.com/rust-lang/rust/issues/101728>
 
 error: aborting due to previous error
 
-For more information about this error, try `rustc --explain E0573`.
diff --git a/tests/ui/type/type-dependent-def-issue-49241.rs b/tests/ui/type/type-dependent-def-issue-49241.rs
index caf5bade5c7..4b6bc6124db 100644
--- a/tests/ui/type/type-dependent-def-issue-49241.rs
+++ b/tests/ui/type/type-dependent-def-issue-49241.rs
@@ -2,5 +2,4 @@ fn main() {
     let v = vec![0];
     const l: usize = v.count(); //~ ERROR attempt to use a non-constant value in a constant
     let s: [u32; l] = v.into_iter().collect();
-    //~^ constant
 }
diff --git a/tests/ui/type/type-dependent-def-issue-49241.stderr b/tests/ui/type/type-dependent-def-issue-49241.stderr
index af16a6e8f84..64c7687f7a8 100644
--- a/tests/ui/type/type-dependent-def-issue-49241.stderr
+++ b/tests/ui/type/type-dependent-def-issue-49241.stderr
@@ -6,12 +6,6 @@ LL |     const l: usize = v.count();
    |     |
    |     help: consider using `let` instead of `const`: `let l`
 
-note: erroneous constant used
-  --> $DIR/type-dependent-def-issue-49241.rs:4:18
-   |
-LL |     let s: [u32; l] = v.into_iter().collect();
-   |                  ^
-
 error: aborting due to previous error
 
 For more information about this error, try `rustc --explain E0435`.
diff --git a/tests/ui/type/type-mismatch.stderr b/tests/ui/type/type-mismatch.stderr
index 67a1f893050..ce6f29d354f 100644
--- a/tests/ui/type/type-mismatch.stderr
+++ b/tests/ui/type/type-mismatch.stderr
@@ -378,10 +378,8 @@ error[E0308]: mismatched types
   --> $DIR/type-mismatch.rs:47:23
    |
 LL |     want::<&Foo<foo>>(f);
-   |     ----------------- ^
-   |     |                 |
-   |     |                 expected `&Foo<foo>`, found `Foo<foo>`
-   |     |                 help: consider borrowing here: `&f`
+   |     ----------------- ^ expected `&Foo<foo>`, found `Foo<foo>`
+   |     |
    |     arguments to this function are incorrect
    |
    = note: expected reference `&Foo<foo>`
@@ -391,6 +389,10 @@ note: function defined here
    |
 LL | fn want<T>(t: T) {}
    |    ^^^^    ----
+help: consider borrowing here
+   |
+LL |     want::<&Foo<foo>>(&f);
+   |                       +
 
 error[E0308]: mismatched types
   --> $DIR/type-mismatch.rs:48:26
@@ -556,10 +558,8 @@ error[E0308]: mismatched types
   --> $DIR/type-mismatch.rs:61:26
    |
 LL |     want::<&Foo<foo, B>>(f);
-   |     -------------------- ^
-   |     |                    |
-   |     |                    expected `&Foo<foo, B>`, found `Foo<foo, B>`
-   |     |                    help: consider borrowing here: `&f`
+   |     -------------------- ^ expected `&Foo<foo, B>`, found `Foo<foo, B>`
+   |     |
    |     arguments to this function are incorrect
    |
    = note: expected reference `&Foo<foo, B>`
@@ -569,6 +569,10 @@ note: function defined here
    |
 LL | fn want<T>(t: T) {}
    |    ^^^^    ----
+help: consider borrowing here
+   |
+LL |     want::<&Foo<foo, B>>(&f);
+   |                          +
 
 error[E0308]: mismatched types
   --> $DIR/type-mismatch.rs:65:19
diff --git a/tests/ui/type/type-path-err-node-types.stderr b/tests/ui/type/type-path-err-node-types.stderr
index 1aed1dbe4ba..8b12aa1a393 100644
--- a/tests/ui/type/type-path-err-node-types.stderr
+++ b/tests/ui/type/type-path-err-node-types.stderr
@@ -1,9 +1,3 @@
-error[E0433]: failed to resolve: use of undeclared type `NonExistent`
-  --> $DIR/type-path-err-node-types.rs:15:5
-   |
-LL |     NonExistent::Assoc::<u8>;
-   |     ^^^^^^^^^^^ use of undeclared type `NonExistent`
-
 error[E0412]: cannot find type `Nonexistent` in this scope
   --> $DIR/type-path-err-node-types.rs:7:12
    |
@@ -22,6 +16,12 @@ error[E0425]: cannot find value `nonexistent` in this scope
 LL |     nonexistent.nonexistent::<u8>();
    |     ^^^^^^^^^^^ not found in this scope
 
+error[E0433]: failed to resolve: use of undeclared type `NonExistent`
+  --> $DIR/type-path-err-node-types.rs:15:5
+   |
+LL |     NonExistent::Assoc::<u8>;
+   |     ^^^^^^^^^^^ use of undeclared type `NonExistent`
+
 error[E0282]: type annotations needed
   --> $DIR/type-path-err-node-types.rs:23:14
    |
diff --git a/tests/ui/typeck/bad-index-due-to-nested.stderr b/tests/ui/typeck/bad-index-due-to-nested.stderr
index e03b06b336e..f9cdb280e27 100644
--- a/tests/ui/typeck/bad-index-due-to-nested.stderr
+++ b/tests/ui/typeck/bad-index-due-to-nested.stderr
@@ -4,11 +4,14 @@ error[E0277]: the trait bound `K: Hash` is not satisfied
 LL |     map[k]
    |     ^^^ the trait `Hash` is not implemented for `K`
    |
-note: required by a bound in `<HashMap<K, V> as Index<&K>>`
-  --> $DIR/bad-index-due-to-nested.rs:9:8
+note: required for `HashMap<K, V>` to implement `Index<&K>`
+  --> $DIR/bad-index-due-to-nested.rs:7:12
    |
+LL | impl<K, V> Index<&K> for HashMap<K, V>
+   |            ^^^^^^^^^     ^^^^^^^^^^^^^
+LL | where
 LL |     K: Hash,
-   |        ^^^^ required by this bound in `<HashMap<K, V> as Index<&K>>`
+   |        ---- unsatisfied trait bound introduced here
 help: consider restricting type parameter `K`
    |
 LL | fn index<'a, K: std::hash::Hash, V>(map: &'a HashMap<K, V>, k: K) -> &'a V {
@@ -20,11 +23,14 @@ error[E0277]: the trait bound `V: Copy` is not satisfied
 LL |     map[k]
    |     ^^^ the trait `Copy` is not implemented for `V`
    |
-note: required by a bound in `<HashMap<K, V> as Index<&K>>`
-  --> $DIR/bad-index-due-to-nested.rs:10:8
+note: required for `HashMap<K, V>` to implement `Index<&K>`
+  --> $DIR/bad-index-due-to-nested.rs:7:12
    |
+LL | impl<K, V> Index<&K> for HashMap<K, V>
+   |            ^^^^^^^^^     ^^^^^^^^^^^^^
+...
 LL |     V: Copy,
-   |        ^^^^ required by this bound in `<HashMap<K, V> as Index<&K>>`
+   |        ---- unsatisfied trait bound introduced here
 help: consider restricting type parameter `V`
    |
 LL | fn index<'a, K, V: std::marker::Copy>(map: &'a HashMap<K, V>, k: K) -> &'a V {
@@ -36,13 +42,14 @@ error[E0308]: mismatched types
 LL | fn index<'a, K, V>(map: &'a HashMap<K, V>, k: K) -> &'a V {
    |              - this type parameter
 LL |     map[k]
-   |         ^
-   |         |
-   |         expected `&K`, found type parameter `K`
-   |         help: consider borrowing here: `&k`
+   |         ^ expected `&K`, found type parameter `K`
    |
    = note:   expected reference `&K`
            found type parameter `K`
+help: consider borrowing here
+   |
+LL |     map[&k]
+   |         +
 
 error[E0308]: mismatched types
   --> $DIR/bad-index-due-to-nested.rs:20:5
@@ -50,13 +57,14 @@ error[E0308]: mismatched types
 LL | fn index<'a, K, V>(map: &'a HashMap<K, V>, k: K) -> &'a V {
    |                 - this type parameter               ----- expected `&'a V` because of return type
 LL |     map[k]
-   |     ^^^^^^
-   |     |
-   |     expected `&V`, found type parameter `V`
-   |     help: consider borrowing here: `&map[k]`
+   |     ^^^^^^ expected `&V`, found type parameter `V`
    |
    = note:   expected reference `&'a V`
            found type parameter `V`
+help: consider borrowing here
+   |
+LL |     &map[k]
+   |     +
 
 error: aborting due to 4 previous errors
 
diff --git a/tests/ui/typeck/bad-type-in-vec-contains.stderr b/tests/ui/typeck/bad-type-in-vec-contains.stderr
index 72533ab1fa3..b9b3a5fe5ec 100644
--- a/tests/ui/typeck/bad-type-in-vec-contains.stderr
+++ b/tests/ui/typeck/bad-type-in-vec-contains.stderr
@@ -2,16 +2,18 @@ error[E0308]: mismatched types
   --> $DIR/bad-type-in-vec-contains.rs:5:21
    |
 LL |     primes.contains(3);
-   |            -------- ^
-   |            |        |
-   |            |        expected `&_`, found integer
-   |            |        help: consider borrowing here: `&3`
+   |            -------- ^ expected `&_`, found integer
+   |            |
    |            arguments to this method are incorrect
    |
    = note: expected reference `&_`
                    found type `{integer}`
 note: method defined here
   --> $SRC_DIR/core/src/slice/mod.rs:LL:COL
+help: consider borrowing here
+   |
+LL |     primes.contains(&3);
+   |                     +
 
 error: aborting due to previous error
 
diff --git a/tests/ui/typeck/issue-13853.stderr b/tests/ui/typeck/issue-13853.stderr
index 11d34f5b93b..8ecb8b68016 100644
--- a/tests/ui/typeck/issue-13853.stderr
+++ b/tests/ui/typeck/issue-13853.stderr
@@ -20,10 +20,8 @@ error[E0308]: mismatched types
   --> $DIR/issue-13853.rs:37:13
    |
 LL |     iterate(graph);
-   |     ------- ^^^^^
-   |     |       |
-   |     |       expected `&_`, found `Vec<Stuff>`
-   |     |       help: consider borrowing here: `&graph`
+   |     ------- ^^^^^ expected `&_`, found `Vec<Stuff>`
+   |     |
    |     arguments to this function are incorrect
    |
    = note: expected reference `&_`
@@ -33,6 +31,10 @@ note: function defined here
    |
 LL | fn iterate<N: Node, G: Graph<N>>(graph: &G) {
    |    ^^^^^^^                       ---------
+help: consider borrowing here
+   |
+LL |     iterate(&graph);
+   |             +
 
 error: aborting due to 3 previous errors
 
diff --git a/tests/ui/typeck/repeat-expr-checks-wf.rs b/tests/ui/typeck/repeat-expr-checks-wf.rs
new file mode 100644
index 00000000000..b8a2a0ceb58
--- /dev/null
+++ b/tests/ui/typeck/repeat-expr-checks-wf.rs
@@ -0,0 +1,10 @@
+trait Foo {
+    const ASSOC: [u8];
+}
+
+fn bar<T: Foo>() {
+    let a = [T::ASSOC; 2];
+    //~^ ERROR: the size for values of type `[u8]` cannot be known at compilation time
+}
+
+fn main() {}
diff --git a/tests/ui/typeck/repeat-expr-checks-wf.stderr b/tests/ui/typeck/repeat-expr-checks-wf.stderr
new file mode 100644
index 00000000000..a821088a4b3
--- /dev/null
+++ b/tests/ui/typeck/repeat-expr-checks-wf.stderr
@@ -0,0 +1,12 @@
+error[E0277]: the size for values of type `[u8]` cannot be known at compilation time
+  --> $DIR/repeat-expr-checks-wf.rs:6:13
+   |
+LL |     let a = [T::ASSOC; 2];
+   |             ^^^^^^^^^^^^^ doesn't have a size known at compile-time
+   |
+   = help: the trait `Sized` is not implemented for `[u8]`
+   = note: slice and array elements must have `Sized` type
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0277`.
diff --git a/tests/ui/typeck/typeck-builtin-bound-type-parameters.rs b/tests/ui/typeck/typeck-builtin-bound-type-parameters.rs
index 7ff9199f63c..e7e62c07739 100644
--- a/tests/ui/typeck/typeck-builtin-bound-type-parameters.rs
+++ b/tests/ui/typeck/typeck-builtin-bound-type-parameters.rs
@@ -3,6 +3,7 @@ fn foo1<T:Copy<U>, U>(x: T) {}
 
 trait Trait: Copy<dyn Send> {}
 //~^ ERROR trait takes 0 generic arguments but 1 generic argument was supplied
+//~| ERROR trait takes 0 generic arguments but 1 generic argument was supplied
 
 struct MyStruct1<T: Copy<T>>;
 //~^ ERROR trait takes 0 generic arguments but 1 generic argument was supplied
diff --git a/tests/ui/typeck/typeck-builtin-bound-type-parameters.stderr b/tests/ui/typeck/typeck-builtin-bound-type-parameters.stderr
index a71fd953658..a3517af877c 100644
--- a/tests/ui/typeck/typeck-builtin-bound-type-parameters.stderr
+++ b/tests/ui/typeck/typeck-builtin-bound-type-parameters.stderr
@@ -15,7 +15,15 @@ LL | trait Trait: Copy<dyn Send> {}
    |              expected 0 generic arguments
 
 error[E0107]: trait takes 0 generic arguments but 1 generic argument was supplied
-  --> $DIR/typeck-builtin-bound-type-parameters.rs:7:21
+  --> $DIR/typeck-builtin-bound-type-parameters.rs:4:14
+   |
+LL | trait Trait: Copy<dyn Send> {}
+   |              ^^^^---------- help: remove these generics
+   |              |
+   |              expected 0 generic arguments
+
+error[E0107]: trait takes 0 generic arguments but 1 generic argument was supplied
+  --> $DIR/typeck-builtin-bound-type-parameters.rs:8:21
    |
 LL | struct MyStruct1<T: Copy<T>>;
    |                     ^^^^--- help: remove these generics
@@ -23,7 +31,7 @@ LL | struct MyStruct1<T: Copy<T>>;
    |                     expected 0 generic arguments
 
 error[E0107]: trait takes 0 lifetime arguments but 1 lifetime argument was supplied
-  --> $DIR/typeck-builtin-bound-type-parameters.rs:10:25
+  --> $DIR/typeck-builtin-bound-type-parameters.rs:11:25
    |
 LL | struct MyStruct2<'a, T: Copy<'a>>;
    |                         ^^^^---- help: remove these generics
@@ -31,7 +39,7 @@ LL | struct MyStruct2<'a, T: Copy<'a>>;
    |                         expected 0 lifetime arguments
 
 error[E0107]: trait takes 0 lifetime arguments but 1 lifetime argument was supplied
-  --> $DIR/typeck-builtin-bound-type-parameters.rs:13:15
+  --> $DIR/typeck-builtin-bound-type-parameters.rs:14:15
    |
 LL | fn foo2<'a, T:Copy<'a, U>, U>(x: T) {}
    |               ^^^^ -- help: remove this lifetime argument
@@ -39,13 +47,13 @@ LL | fn foo2<'a, T:Copy<'a, U>, U>(x: T) {}
    |               expected 0 lifetime arguments
 
 error[E0107]: trait takes 0 generic arguments but 1 generic argument was supplied
-  --> $DIR/typeck-builtin-bound-type-parameters.rs:13:15
+  --> $DIR/typeck-builtin-bound-type-parameters.rs:14:15
    |
 LL | fn foo2<'a, T:Copy<'a, U>, U>(x: T) {}
    |               ^^^^     - help: remove this generic argument
    |               |
    |               expected 0 generic arguments
 
-error: aborting due to 6 previous errors
+error: aborting due to 7 previous errors
 
 For more information about this error, try `rustc --explain E0107`.
diff --git a/tests/ui/union/union-sized-field.stderr b/tests/ui/union/union-sized-field.stderr
index 771e8f26199..bf1ff9c8bc1 100644
--- a/tests/ui/union/union-sized-field.stderr
+++ b/tests/ui/union/union-sized-field.stderr
@@ -6,7 +6,8 @@ LL | union Foo<T: ?Sized> {
 LL |     value: ManuallyDrop<T>,
    |            ^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
    |
-   = note: required because it appears within the type `ManuallyDrop<T>`
+note: required because it appears within the type `ManuallyDrop<T>`
+  --> $SRC_DIR/core/src/mem/manually_drop.rs:LL:COL
    = note: no field of a union may have a dynamically sized type
    = help: change the field's type to have a statically known size
 help: consider removing the `?Sized` bound to make the type parameter `Sized`
@@ -31,7 +32,8 @@ LL | struct Foo2<T: ?Sized> {
 LL |     value: ManuallyDrop<T>,
    |            ^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
    |
-   = note: required because it appears within the type `ManuallyDrop<T>`
+note: required because it appears within the type `ManuallyDrop<T>`
+  --> $SRC_DIR/core/src/mem/manually_drop.rs:LL:COL
    = note: only the last field of a struct may have a dynamically sized type
    = help: change the field's type to have a statically known size
 help: consider removing the `?Sized` bound to make the type parameter `Sized`
@@ -56,7 +58,8 @@ LL | enum Foo3<T: ?Sized> {
 LL |     Value(ManuallyDrop<T>),
    |           ^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
    |
-   = note: required because it appears within the type `ManuallyDrop<T>`
+note: required because it appears within the type `ManuallyDrop<T>`
+  --> $SRC_DIR/core/src/mem/manually_drop.rs:LL:COL
    = note: no field of an enum variant may have a dynamically sized type
    = help: change the field's type to have a statically known size
 help: consider removing the `?Sized` bound to make the type parameter `Sized`
diff --git a/tests/ui/unsized-locals/align.rs b/tests/ui/unsized-locals/align.rs
new file mode 100644
index 00000000000..01be8f3bb9c
--- /dev/null
+++ b/tests/ui/unsized-locals/align.rs
@@ -0,0 +1,30 @@
+// Test that unsized locals uphold alignment requirements.
+// Regression test for #71416.
+// run-pass
+#![feature(unsized_locals)]
+#![allow(incomplete_features)]
+use std::any::Any;
+
+#[repr(align(256))]
+#[allow(dead_code)]
+struct A {
+    v: u8
+}
+
+impl A {
+    fn f(&self) -> *const A {
+        assert_eq!(self as *const A as usize % 256, 0);
+        self
+    }
+}
+
+fn mk() -> Box<dyn Any> {
+    Box::new(A { v: 4 })
+}
+
+fn main() {
+    let x = *mk();
+    let dwncst = x.downcast_ref::<A>().unwrap();
+    let addr = dwncst.f();
+    assert_eq!(addr as usize % 256, 0);
+}
diff --git a/tests/ui/unsized-locals/suggest-borrow.stderr b/tests/ui/unsized-locals/suggest-borrow.stderr
index d456c16de0d..8741b35cdcf 100644
--- a/tests/ui/unsized-locals/suggest-borrow.stderr
+++ b/tests/ui/unsized-locals/suggest-borrow.stderr
@@ -16,11 +16,14 @@ error[E0308]: mismatched types
   --> $DIR/suggest-borrow.rs:3:20
    |
 LL |     let x: &[u8] = vec!(1, 2, 3)[..];
-   |            -----   ^^^^^^^^^^^^^^^^^
-   |            |       |
-   |            |       expected `&[u8]`, found `[{integer}]`
-   |            |       help: consider borrowing here: `&vec!(1, 2, 3)[..]`
+   |            -----   ^^^^^^^^^^^^^^^^^ expected `&[u8]`, found `[{integer}]`
+   |            |
    |            expected due to this
+   |
+help: consider borrowing here
+   |
+LL |     let x: &[u8] = &vec!(1, 2, 3)[..];
+   |                    +
 
 error[E0308]: mismatched types
   --> $DIR/suggest-borrow.rs:4:19
diff --git a/tests/ui/unsized/unsized-fn-param.stderr b/tests/ui/unsized/unsized-fn-param.stderr
index b4772605432..0de3dbbb557 100644
--- a/tests/ui/unsized/unsized-fn-param.stderr
+++ b/tests/ui/unsized/unsized-fn-param.stderr
@@ -5,8 +5,8 @@ LL |     foo11("bar", &"baz");
    |           ^^^^^ doesn't have a size known at compile-time
    |
    = help: the trait `Sized` is not implemented for `str`
-   = note: required for the cast from `str` to the object type `dyn AsRef<Path>`
-help: consider borrowing the value, since `&str` can be coerced into `dyn AsRef<Path>`
+   = note: required for the cast from `&'static str` to `&dyn AsRef<Path>`
+help: consider borrowing the value, since `&&'static str` can be coerced into `&dyn AsRef<Path>`
    |
 LL |     foo11(&"bar", &"baz");
    |           +
@@ -18,8 +18,8 @@ LL |     foo12(&"bar", "baz");
    |                   ^^^^^ doesn't have a size known at compile-time
    |
    = help: the trait `Sized` is not implemented for `str`
-   = note: required for the cast from `str` to the object type `dyn AsRef<Path>`
-help: consider borrowing the value, since `&str` can be coerced into `dyn AsRef<Path>`
+   = note: required for the cast from `&'static str` to `&dyn AsRef<Path>`
+help: consider borrowing the value, since `&&'static str` can be coerced into `&dyn AsRef<Path>`
    |
 LL |     foo12(&"bar", &"baz");
    |                   +
@@ -31,8 +31,8 @@ LL |     foo21("bar", &"baz");
    |           ^^^^^ doesn't have a size known at compile-time
    |
    = help: the trait `Sized` is not implemented for `str`
-   = note: required for the cast from `str` to the object type `dyn AsRef<str>`
-help: consider borrowing the value, since `&str` can be coerced into `dyn AsRef<str>`
+   = note: required for the cast from `&'static str` to `&dyn AsRef<str>`
+help: consider borrowing the value, since `&&'static str` can be coerced into `&dyn AsRef<str>`
    |
 LL |     foo21(&"bar", &"baz");
    |           +
@@ -44,8 +44,8 @@ LL |     foo22(&"bar", "baz");
    |                   ^^^^^ doesn't have a size known at compile-time
    |
    = help: the trait `Sized` is not implemented for `str`
-   = note: required for the cast from `str` to the object type `dyn AsRef<str>`
-help: consider borrowing the value, since `&str` can be coerced into `dyn AsRef<str>`
+   = note: required for the cast from `&'static str` to `&dyn AsRef<str>`
+help: consider borrowing the value, since `&&'static str` can be coerced into `&dyn AsRef<str>`
    |
 LL |     foo22(&"bar", &"baz");
    |                   +
diff --git a/tests/ui/unwind-abis/feature-gate-c-unwind-enabled.rs b/tests/ui/unwind-abis/feature-gate-c-unwind-enabled.rs
deleted file mode 100644
index 6ff5dbda2d5..00000000000
--- a/tests/ui/unwind-abis/feature-gate-c-unwind-enabled.rs
+++ /dev/null
@@ -1,12 +0,0 @@
-// Test that the "C-unwind" ABI is feature-gated, and *can* be used when the
-// `c_unwind` feature gate is enabled.
-
-// check-pass
-
-#![feature(c_unwind)]
-
-extern "C-unwind" fn f() {}
-
-fn main() {
-    f();
-}
diff --git a/tests/ui/unwind-abis/feature-gate-c-unwind.rs b/tests/ui/unwind-abis/feature-gate-c-unwind.rs
deleted file mode 100644
index ba72f74f20c..00000000000
--- a/tests/ui/unwind-abis/feature-gate-c-unwind.rs
+++ /dev/null
@@ -1,13 +0,0 @@
-// Test that the "C-unwind" ABI is feature-gated, and cannot be used when the
-// `c_unwind` feature gate is not used.
-
-#![allow(ffi_unwind_calls)]
-//~^ WARNING unknown lint: `ffi_unwind_calls`
-//~| WARNING unknown lint: `ffi_unwind_calls`
-
-extern "C-unwind" fn f() {}
-//~^ ERROR C-unwind ABI is experimental and subject to change [E0658]
-
-fn main() {
-    f();
-}
diff --git a/tests/ui/unwind-abis/feature-gate-c-unwind.stderr b/tests/ui/unwind-abis/feature-gate-c-unwind.stderr
deleted file mode 100644
index 214ddc45ce9..00000000000
--- a/tests/ui/unwind-abis/feature-gate-c-unwind.stderr
+++ /dev/null
@@ -1,33 +0,0 @@
-warning: unknown lint: `ffi_unwind_calls`
-  --> $DIR/feature-gate-c-unwind.rs:4:1
-   |
-LL | #![allow(ffi_unwind_calls)]
-   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
-   |
-   = note: the `ffi_unwind_calls` lint is unstable
-   = note: see issue #74990 <https://github.com/rust-lang/rust/issues/74990> for more information
-   = help: add `#![feature(c_unwind)]` to the crate attributes to enable
-   = note: `#[warn(unknown_lints)]` on by default
-
-error[E0658]: C-unwind ABI is experimental and subject to change
-  --> $DIR/feature-gate-c-unwind.rs:8:8
-   |
-LL | extern "C-unwind" fn f() {}
-   |        ^^^^^^^^^^
-   |
-   = note: see issue #74990 <https://github.com/rust-lang/rust/issues/74990> for more information
-   = help: add `#![feature(c_unwind)]` to the crate attributes to enable
-
-warning: unknown lint: `ffi_unwind_calls`
-  --> $DIR/feature-gate-c-unwind.rs:4:1
-   |
-LL | #![allow(ffi_unwind_calls)]
-   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
-   |
-   = note: the `ffi_unwind_calls` lint is unstable
-   = note: see issue #74990 <https://github.com/rust-lang/rust/issues/74990> for more information
-   = help: add `#![feature(c_unwind)]` to the crate attributes to enable
-
-error: aborting due to previous error; 2 warnings emitted
-
-For more information about this error, try `rustc --explain E0658`.
diff --git a/tests/ui/unwind-abis/feature-gate-c_unwind.rs b/tests/ui/unwind-abis/feature-gate-c_unwind.rs
new file mode 100644
index 00000000000..d73fe3e0bda
--- /dev/null
+++ b/tests/ui/unwind-abis/feature-gate-c_unwind.rs
@@ -0,0 +1,4 @@
+// ignore-test
+
+// After partial stabilisation, `c_unwind` only contains codegen behaviour changes
+// and are tested in `src/test/codegen/unwind-abis`
diff --git a/tests/ui/unwind-abis/feature-gate-stdcall-unwind.rs b/tests/ui/unwind-abis/feature-gate-stdcall-unwind.rs
deleted file mode 100644
index cfa8eb3cad0..00000000000
--- a/tests/ui/unwind-abis/feature-gate-stdcall-unwind.rs
+++ /dev/null
@@ -1,30 +0,0 @@
-// gate-test-c_unwind
-// needs-llvm-components: x86
-// compile-flags: --target=i686-pc-windows-msvc --crate-type=rlib
-#![no_core]
-#![feature(no_core, lang_items)]
-#[lang="sized"]
-trait Sized { }
-
-// Test that the "stdcall-unwind" ABI is feature-gated, and cannot be used when
-// the `c_unwind` feature gate is not used.
-
-extern "stdcall-unwind" fn fu() {} //~ ERROR stdcall-unwind ABI is experimental
-
-trait T {
-    extern "stdcall-unwind" fn mu(); //~ ERROR stdcall-unwind ABI is experimental
-    extern "stdcall-unwind" fn dmu() {} //~ ERROR stdcall-unwind ABI is experimental
-}
-
-struct S;
-impl T for S {
-    extern "stdcall-unwind" fn mu() {} //~ ERROR stdcall-unwind ABI is experimental
-}
-
-impl S {
-    extern "stdcall-unwind" fn imu() {} //~ ERROR stdcall-unwind ABI is experimental
-}
-
-type TAU = extern "stdcall-unwind" fn(); //~ ERROR stdcall-unwind ABI is experimental
-
-extern "stdcall-unwind" {} //~ ERROR stdcall-unwind ABI is experimental
diff --git a/tests/ui/unwind-abis/feature-gate-stdcall-unwind.stderr b/tests/ui/unwind-abis/feature-gate-stdcall-unwind.stderr
deleted file mode 100644
index c2cce0e1193..00000000000
--- a/tests/ui/unwind-abis/feature-gate-stdcall-unwind.stderr
+++ /dev/null
@@ -1,66 +0,0 @@
-error[E0658]: stdcall-unwind ABI is experimental and subject to change
-  --> $DIR/feature-gate-stdcall-unwind.rs:12:8
-   |
-LL | extern "stdcall-unwind" fn fu() {}
-   |        ^^^^^^^^^^^^^^^^
-   |
-   = note: see issue #74990 <https://github.com/rust-lang/rust/issues/74990> for more information
-   = help: add `#![feature(c_unwind)]` to the crate attributes to enable
-
-error[E0658]: stdcall-unwind ABI is experimental and subject to change
-  --> $DIR/feature-gate-stdcall-unwind.rs:15:12
-   |
-LL |     extern "stdcall-unwind" fn mu();
-   |            ^^^^^^^^^^^^^^^^
-   |
-   = note: see issue #74990 <https://github.com/rust-lang/rust/issues/74990> for more information
-   = help: add `#![feature(c_unwind)]` to the crate attributes to enable
-
-error[E0658]: stdcall-unwind ABI is experimental and subject to change
-  --> $DIR/feature-gate-stdcall-unwind.rs:16:12
-   |
-LL |     extern "stdcall-unwind" fn dmu() {}
-   |            ^^^^^^^^^^^^^^^^
-   |
-   = note: see issue #74990 <https://github.com/rust-lang/rust/issues/74990> for more information
-   = help: add `#![feature(c_unwind)]` to the crate attributes to enable
-
-error[E0658]: stdcall-unwind ABI is experimental and subject to change
-  --> $DIR/feature-gate-stdcall-unwind.rs:21:12
-   |
-LL |     extern "stdcall-unwind" fn mu() {}
-   |            ^^^^^^^^^^^^^^^^
-   |
-   = note: see issue #74990 <https://github.com/rust-lang/rust/issues/74990> for more information
-   = help: add `#![feature(c_unwind)]` to the crate attributes to enable
-
-error[E0658]: stdcall-unwind ABI is experimental and subject to change
-  --> $DIR/feature-gate-stdcall-unwind.rs:25:12
-   |
-LL |     extern "stdcall-unwind" fn imu() {}
-   |            ^^^^^^^^^^^^^^^^
-   |
-   = note: see issue #74990 <https://github.com/rust-lang/rust/issues/74990> for more information
-   = help: add `#![feature(c_unwind)]` to the crate attributes to enable
-
-error[E0658]: stdcall-unwind ABI is experimental and subject to change
-  --> $DIR/feature-gate-stdcall-unwind.rs:28:19
-   |
-LL | type TAU = extern "stdcall-unwind" fn();
-   |                   ^^^^^^^^^^^^^^^^
-   |
-   = note: see issue #74990 <https://github.com/rust-lang/rust/issues/74990> for more information
-   = help: add `#![feature(c_unwind)]` to the crate attributes to enable
-
-error[E0658]: stdcall-unwind ABI is experimental and subject to change
-  --> $DIR/feature-gate-stdcall-unwind.rs:30:8
-   |
-LL | extern "stdcall-unwind" {}
-   |        ^^^^^^^^^^^^^^^^
-   |
-   = note: see issue #74990 <https://github.com/rust-lang/rust/issues/74990> for more information
-   = help: add `#![feature(c_unwind)]` to the crate attributes to enable
-
-error: aborting due to 7 previous errors
-
-For more information about this error, try `rustc --explain E0658`.
diff --git a/tests/ui/unwind-abis/feature-gate-system-unwind.rs b/tests/ui/unwind-abis/feature-gate-system-unwind.rs
deleted file mode 100644
index 26c2de4e817..00000000000
--- a/tests/ui/unwind-abis/feature-gate-system-unwind.rs
+++ /dev/null
@@ -1,9 +0,0 @@
-// Test that the "system-unwind" ABI is feature-gated, and cannot be used when
-// the `c_unwind` feature gate is not used.
-
-extern "system-unwind" fn f() {}
-//~^ ERROR system-unwind ABI is experimental and subject to change [E0658]
-
-fn main() {
-    f();
-}
diff --git a/tests/ui/unwind-abis/feature-gate-system-unwind.stderr b/tests/ui/unwind-abis/feature-gate-system-unwind.stderr
deleted file mode 100644
index 87877336475..00000000000
--- a/tests/ui/unwind-abis/feature-gate-system-unwind.stderr
+++ /dev/null
@@ -1,12 +0,0 @@
-error[E0658]: system-unwind ABI is experimental and subject to change
-  --> $DIR/feature-gate-system-unwind.rs:4:8
-   |
-LL | extern "system-unwind" fn f() {}
-   |        ^^^^^^^^^^^^^^^
-   |
-   = note: see issue #74990 <https://github.com/rust-lang/rust/issues/74990> for more information
-   = help: add `#![feature(c_unwind)]` to the crate attributes to enable
-
-error: aborting due to previous error
-
-For more information about this error, try `rustc --explain E0658`.
diff --git a/tests/ui/unwind-abis/ffi-unwind-calls-lint.rs b/tests/ui/unwind-abis/ffi-unwind-calls-lint.rs
index 9a324f00435..8f000737656 100644
--- a/tests/ui/unwind-abis/ffi-unwind-calls-lint.rs
+++ b/tests/ui/unwind-abis/ffi-unwind-calls-lint.rs
@@ -1,7 +1,6 @@
 // build-pass
 // needs-unwind
 
-#![feature(c_unwind)]
 #![warn(ffi_unwind_calls)]
 
 mod foo {
diff --git a/tests/ui/unwind-abis/ffi-unwind-calls-lint.stderr b/tests/ui/unwind-abis/ffi-unwind-calls-lint.stderr
index 937a2b3dff8..cf8a7782e35 100644
--- a/tests/ui/unwind-abis/ffi-unwind-calls-lint.stderr
+++ b/tests/ui/unwind-abis/ffi-unwind-calls-lint.stderr
@@ -1,17 +1,17 @@
 warning: call to foreign function with FFI-unwind ABI
-  --> $DIR/ffi-unwind-calls-lint.rs:20:14
+  --> $DIR/ffi-unwind-calls-lint.rs:19:14
    |
 LL |     unsafe { foo(); }
    |              ^^^^^ call to foreign function with FFI-unwind ABI
    |
 note: the lint level is defined here
-  --> $DIR/ffi-unwind-calls-lint.rs:5:9
+  --> $DIR/ffi-unwind-calls-lint.rs:4:9
    |
 LL | #![warn(ffi_unwind_calls)]
    |         ^^^^^^^^^^^^^^^^
 
 warning: call to function pointer with FFI-unwind ABI
-  --> $DIR/ffi-unwind-calls-lint.rs:24:5
+  --> $DIR/ffi-unwind-calls-lint.rs:23:5
    |
 LL |     ptr();
    |     ^^^^^ call to function pointer with FFI-unwind ABI
diff --git a/tests/ui/weird-exprs.rs b/tests/ui/weird-exprs.rs
index d65703ef5ca..c4fa850a4f9 100644
--- a/tests/ui/weird-exprs.rs
+++ b/tests/ui/weird-exprs.rs
@@ -5,13 +5,16 @@
 
 #![allow(non_camel_case_types)]
 #![allow(dead_code)]
+#![allow(redundant_semicolons)]
 #![allow(unreachable_code)]
 #![allow(unused_braces, unused_must_use, unused_parens)]
 #![allow(uncommon_codepoints, confusable_idents)]
+#![allow(unused_imports)]
 #![allow(unreachable_patterns)]
 
 #![recursion_limit = "256"]
 
+extern crate core;
 use std::cell::Cell;
 use std::mem::swap;
 
@@ -204,6 +207,30 @@ fn closure_matching() {
     assert!(matches!(x(..), |_| Some(4)));
 }
 
+fn semisemisemisemisemi() {
+    ;;;;;;; ;;;;;;; ;;;    ;;; ;;
+    ;;      ;;      ;;;;  ;;;; ;;
+    ;;;;;;; ;;;;;   ;; ;;;; ;; ;;
+         ;; ;;      ;;  ;;  ;; ;;
+    ;;;;;;; ;;;;;;; ;;      ;; ;;
+}
+
+fn useful_syntax() {
+    use {{std::{{collections::{{HashMap}}}}}};
+    use ::{{{{core}, {std}}}};
+    use {{::{{core as core2}}}};
+}
+
+fn infcx() {
+    pub mod cx {
+        pub mod cx {
+            pub use super::cx;
+            pub struct Cx;
+        }
+    }
+    let _cx: cx::cx::Cx = cx::cx::cx::cx::cx::Cx;
+}
+
 pub fn main() {
     strange();
     funny();
@@ -227,4 +254,7 @@ pub fn main() {
     function();
     bathroom_stall();
     closure_matching();
+    semisemisemisemisemi();
+    useful_syntax();
+    infcx();
 }
diff --git a/tests/ui/wf/wf-convert-unsafe-trait-obj-box.stderr b/tests/ui/wf/wf-convert-unsafe-trait-obj-box.stderr
index 6cf4f33f947..40a25c7df6b 100644
--- a/tests/ui/wf/wf-convert-unsafe-trait-obj-box.stderr
+++ b/tests/ui/wf/wf-convert-unsafe-trait-obj-box.stderr
@@ -11,8 +11,7 @@ LL | trait Trait: Sized {}
    |       -----  ^^^^^ ...because it requires `Self: Sized`
    |       |
    |       this trait cannot be made into an object...
-   = note: required for `Box<S>` to implement `CoerceUnsized<Box<dyn Trait>>`
-   = note: required by cast to type `Box<dyn Trait>`
+   = note: required for the cast from `Box<S>` to `Box<dyn Trait>`
 
 error[E0038]: the trait `Trait` cannot be made into an object
   --> $DIR/wf-convert-unsafe-trait-obj-box.rs:17:15
@@ -27,8 +26,7 @@ LL | trait Trait: Sized {}
    |       -----  ^^^^^ ...because it requires `Self: Sized`
    |       |
    |       this trait cannot be made into an object...
-   = note: required for `Box<S>` to implement `CoerceUnsized<Box<dyn Trait>>`
-   = note: required by cast to type `Box<(dyn Trait + 'static)>`
+   = note: required for the cast from `Box<S>` to `Box<(dyn Trait + 'static)>`
 
 error[E0038]: the trait `Trait` cannot be made into an object
   --> $DIR/wf-convert-unsafe-trait-obj-box.rs:15:5
@@ -43,8 +41,7 @@ LL | trait Trait: Sized {}
    |       -----  ^^^^^ ...because it requires `Self: Sized`
    |       |
    |       this trait cannot be made into an object...
-   = note: required for `Box<S>` to implement `CoerceUnsized<Box<dyn Trait>>`
-   = note: required by cast to type `Box<dyn Trait>`
+   = note: required for the cast from `Box<S>` to `Box<dyn Trait>`
 
 error: aborting due to 3 previous errors
 
diff --git a/tests/ui/wf/wf-convert-unsafe-trait-obj.stderr b/tests/ui/wf/wf-convert-unsafe-trait-obj.stderr
index c9bd4549aaf..e2c71df2feb 100644
--- a/tests/ui/wf/wf-convert-unsafe-trait-obj.stderr
+++ b/tests/ui/wf/wf-convert-unsafe-trait-obj.stderr
@@ -11,8 +11,7 @@ LL | trait Trait: Sized {}
    |       -----  ^^^^^ ...because it requires `Self: Sized`
    |       |
    |       this trait cannot be made into an object...
-   = note: required for `&S` to implement `CoerceUnsized<&dyn Trait>`
-   = note: required by cast to type `&dyn Trait`
+   = note: required for the cast from `&S` to `&dyn Trait`
 
 error[E0038]: the trait `Trait` cannot be made into an object
   --> $DIR/wf-convert-unsafe-trait-obj.rs:17:17
@@ -27,8 +26,7 @@ LL | trait Trait: Sized {}
    |       -----  ^^^^^ ...because it requires `Self: Sized`
    |       |
    |       this trait cannot be made into an object...
-   = note: required for `&S` to implement `CoerceUnsized<&dyn Trait>`
-   = note: required by cast to type `&dyn Trait`
+   = note: required for the cast from `&S` to `&dyn Trait`
 
 error[E0038]: the trait `Trait` cannot be made into an object
   --> $DIR/wf-convert-unsafe-trait-obj.rs:15:5
@@ -43,8 +41,7 @@ LL | trait Trait: Sized {}
    |       -----  ^^^^^ ...because it requires `Self: Sized`
    |       |
    |       this trait cannot be made into an object...
-   = note: required for `&S` to implement `CoerceUnsized<&dyn Trait>`
-   = note: required by cast to type `&dyn Trait`
+   = note: required for the cast from `&S` to `&dyn Trait`
 
 error: aborting due to 3 previous errors
 
diff --git a/tests/ui/wf/wf-unsafe-trait-obj-match.stderr b/tests/ui/wf/wf-unsafe-trait-obj-match.stderr
index d2b41630976..66504e44060 100644
--- a/tests/ui/wf/wf-unsafe-trait-obj-match.stderr
+++ b/tests/ui/wf/wf-unsafe-trait-obj-match.stderr
@@ -25,8 +25,7 @@ LL | trait Trait: Sized {}
    |       -----  ^^^^^ ...because it requires `Self: Sized`
    |       |
    |       this trait cannot be made into an object...
-   = note: required for `&S` to implement `CoerceUnsized<&dyn Trait>`
-   = note: required by cast to type `&dyn Trait`
+   = note: required for the cast from `&S` to `&dyn Trait`
 
 error[E0038]: the trait `Trait` cannot be made into an object
   --> $DIR/wf-unsafe-trait-obj-match.rs:25:25
@@ -45,8 +44,7 @@ LL | trait Trait: Sized {}
    |       -----  ^^^^^ ...because it requires `Self: Sized`
    |       |
    |       this trait cannot be made into an object...
-   = note: required for `&R` to implement `CoerceUnsized<&dyn Trait>`
-   = note: required by cast to type `&dyn Trait`
+   = note: required for the cast from `&R` to `&dyn Trait`
 
 error: aborting due to 3 previous errors