about summary refs log tree commit diff
path: root/tests
diff options
context:
space:
mode:
Diffstat (limited to 'tests')
-rw-r--r--tests/codegen/async-closure-debug.rs2
-rw-r--r--tests/codegen/instrument-coverage/testprog.rs6
-rw-r--r--tests/codegen/mem-replace-big-type.rs5
-rw-r--r--tests/codegen/naked-asan.rs11
-rw-r--r--tests/codegen/naked-fn/aligned.rs9
-rw-r--r--tests/codegen/naked-fn/generics.rs116
-rw-r--r--tests/codegen/naked-fn/instruction-set.rs59
-rw-r--r--tests/codegen/naked-fn/naked-functions.rs150
-rw-r--r--tests/codegen/naked-fn/naked-nocoverage.rs19
-rw-r--r--tests/codegen/naked-fn/naked-noinline.rs31
-rw-r--r--tests/coverage/async_closure.cov-map24
-rw-r--r--tests/coverage/async_closure.coverage1
-rw-r--r--tests/coverage/async_closure.rs1
-rw-r--r--tests/coverage/branch/guard.cov-map40
-rw-r--r--tests/coverage/branch/if-let.cov-map31
-rw-r--r--tests/coverage/branch/if.cov-map48
-rw-r--r--tests/coverage/branch/lazy-boolean.cov-map132
-rw-r--r--tests/coverage/branch/match-arms.cov-map57
-rw-r--r--tests/coverage/branch/while.cov-map13
-rw-r--r--tests/coverage/closure_macro.cov-map12
-rw-r--r--tests/coverage/closure_macro_async.cov-map12
-rw-r--r--tests/coverage/condition/conditions.cov-map138
-rw-r--r--tests/coverage/conditions.cov-map450
-rw-r--r--tests/coverage/continue.cov-map12
-rw-r--r--tests/coverage/coroutine.cov-map24
-rw-r--r--tests/coverage/inline.cov-map14
-rw-r--r--tests/coverage/loops_branches.cov-map177
-rw-r--r--tests/coverage/mcdc/condition-limit.cov-map112
-rw-r--r--tests/coverage/mcdc/if.cov-map203
-rw-r--r--tests/coverage/mcdc/inlined_expressions.cov-map17
-rw-r--r--tests/coverage/mcdc/nested_if.cov-map88
-rw-r--r--tests/coverage/mcdc/non_control_flow.cov-map207
-rw-r--r--tests/coverage/try_error_result.cov-map10
-rw-r--r--tests/coverage/unicode.cov-map15
-rw-r--r--tests/coverage/while_early_ret.cov-map12
-rw-r--r--tests/coverage/yield.cov-map35
-rw-r--r--tests/crashes/116979.rs14
-rw-r--r--tests/crashes/117808.rs27
-rw-r--r--tests/crashes/117877.rs13
-rw-r--r--tests/crashes/118778.rs24
-rw-r--r--tests/crashes/118784.rs19
-rw-r--r--tests/crashes/120175.rs11
-rw-r--r--tests/crashes/121176.rs9
-rw-r--r--tests/crashes/123861.rs5
-rw-r--r--tests/crashes/123862.rs14
-rw-r--r--tests/crashes/124375.rs11
-rw-r--r--tests/crashes/130395.rs10
-rw-r--r--tests/crashes/132765.rs12
-rw-r--r--tests/crashes/132766.rs9
-rw-r--r--tests/crashes/132882.rs13
-rw-r--r--tests/crashes/132981.rs7
-rw-r--r--tests/crashes/133063.rs8
-rw-r--r--tests/crashes/133066.rs12
-rw-r--r--tests/crashes/133199.rs11
-rw-r--r--tests/crashes/133275-1.rs13
-rw-r--r--tests/crashes/133275-2.rs15
-rw-r--r--tests/crashes/auxiliary/aux133199.rs13
-rw-r--r--tests/mir-opt/async_closure_shims.main-{closure#0}-{closure#0}-{closure#0}.built.after.mir2
-rw-r--r--tests/mir-opt/async_closure_shims.main-{closure#0}-{closure#0}-{closure#1}.built.after.mir2
-rw-r--r--tests/mir-opt/async_closure_shims.main-{closure#0}-{closure#0}.coroutine_closure_by_move.0.mir6
-rw-r--r--tests/mir-opt/async_closure_shims.main-{closure#0}-{closure#1}-{closure#0}.built.after.mir2
-rw-r--r--tests/mir-opt/async_closure_shims.main-{closure#0}-{closure#1}-{closure#1}.built.after.mir2
-rw-r--r--tests/mir-opt/async_closure_shims.main-{closure#0}-{closure#1}.coroutine_closure_by_move.0.mir6
-rw-r--r--tests/mir-opt/async_closure_shims.main-{closure#0}-{closure#1}.coroutine_closure_by_ref.0.mir6
-rw-r--r--tests/mir-opt/async_closure_shims.rs1
-rw-r--r--tests/mir-opt/inline/inline_coroutine.main.Inline.panic-abort.diff1
-rw-r--r--tests/mir-opt/inline/inline_coroutine.main.Inline.panic-unwind.diff1
-rw-r--r--tests/mir-opt/pre-codegen/vec_deref.vec_deref_to_slice.PreCodegen.after.panic-abort.mir79
-rw-r--r--tests/mir-opt/pre-codegen/vec_deref.vec_deref_to_slice.PreCodegen.after.panic-unwind.mir79
-rw-r--r--tests/mir-opt/strip_debuginfo.rs39
-rw-r--r--tests/run-make/const-trait-stable-toolchain/const-super-trait-nightly-disabled.stderr66
-rw-r--r--tests/run-make/const-trait-stable-toolchain/const-super-trait-nightly-enabled.stderr45
-rw-r--r--tests/run-make/const-trait-stable-toolchain/const-super-trait-stable-disabled.stderr64
-rw-r--r--tests/run-make/const-trait-stable-toolchain/const-super-trait-stable-enabled.stderr54
-rw-r--r--tests/run-make/const-trait-stable-toolchain/const-super-trait.rs13
-rw-r--r--tests/run-make/const-trait-stable-toolchain/rmake.rs59
-rw-r--r--tests/run-make/libs-through-symlinks/Makefile12
-rw-r--r--tests/rustdoc/inline_cross/auxiliary/assoc_item_trait_bounds.rs2
-rw-r--r--tests/ui/alias-uninit-value.rs19
-rw-r--r--tests/ui/allow-non-lint-warnings.rs8
-rw-r--r--tests/ui/artificial-block.rs5
-rw-r--r--tests/ui/as-precedence.rs10
-rw-r--r--tests/ui/asm/aarch64/srcloc.new.stderr320
-rw-r--r--tests/ui/asm/aarch64/srcloc.old.stderr (renamed from tests/ui/asm/aarch64/srcloc.stderr)48
-rw-r--r--tests/ui/asm/aarch64/srcloc.rs3
-rw-r--r--tests/ui/asm/generic_const_simd_vec_len.rs21
-rw-r--r--tests/ui/asm/generic_const_simd_vec_len.stderr14
-rw-r--r--tests/ui/asm/inline-syntax.arm.stderr24
-rw-r--r--tests/ui/asm/inline-syntax.arm_llvm_18.stderr90
-rw-r--r--tests/ui/asm/inline-syntax.rs16
-rw-r--r--tests/ui/asm/inline-syntax.x86_64.stderr14
-rw-r--r--tests/ui/asm/naked-functions-instruction-set.rs2
-rw-r--r--tests/ui/asm/naked-functions.rs1
-rw-r--r--tests/ui/asm/named_const_simd_vec_len.rs22
-rw-r--r--tests/ui/asm/riscv/riscv32e-registers.riscv32e.stderr64
-rw-r--r--tests/ui/asm/riscv/riscv32e-registers.riscv32e_llvm_18.stderr194
-rw-r--r--tests/ui/asm/riscv/riscv32e-registers.riscv32em.stderr64
-rw-r--r--tests/ui/asm/riscv/riscv32e-registers.riscv32em_llvm_18.stderr194
-rw-r--r--tests/ui/asm/riscv/riscv32e-registers.riscv32emc.stderr64
-rw-r--r--tests/ui/asm/riscv/riscv32e-registers.riscv32emc_llvm_18.stderr194
-rw-r--r--tests/ui/asm/riscv/riscv32e-registers.rs14
-rw-r--r--tests/ui/asm/x86_64/srcloc.new.stderr332
-rw-r--r--tests/ui/asm/x86_64/srcloc.old.stderr (renamed from tests/ui/asm/x86_64/srcloc.stderr)50
-rw-r--r--tests/ui/asm/x86_64/srcloc.rs3
-rw-r--r--tests/ui/async-await/async-borrowck-escaping-closure-error.rs1
-rw-r--r--tests/ui/async-await/async-borrowck-escaping-closure-error.stderr2
-rw-r--r--tests/ui/async-await/async-closure-matches-expr.rs2
-rw-r--r--tests/ui/async-await/async-closure.rs2
-rw-r--r--tests/ui/async-await/async-closures/ambiguous-arg.rs2
-rw-r--r--tests/ui/async-await/async-closures/ambiguous-arg.stderr2
-rw-r--r--tests/ui/async-await/async-closures/arg-mismatch.rs2
-rw-r--r--tests/ui/async-await/async-closures/arg-mismatch.stderr4
-rw-r--r--tests/ui/async-await/async-closures/async-fn-mut-for-async-fn.rs2
-rw-r--r--tests/ui/async-await/async-closures/async-fn-once-for-async-fn.rs2
-rw-r--r--tests/ui/async-await/async-closures/auxiliary/block-on.rs2
-rw-r--r--tests/ui/async-await/async-closures/auxiliary/foreign.rs2
-rw-r--r--tests/ui/async-await/async-closures/await-inference-guidance.rs2
-rw-r--r--tests/ui/async-await/async-closures/body-check-on-non-fnmut.rs2
-rw-r--r--tests/ui/async-await/async-closures/box-deref-in-debuginfo.rs2
-rw-r--r--tests/ui/async-await/async-closures/brand.rs2
-rw-r--r--tests/ui/async-await/async-closures/call-once-deduction.rs14
-rw-r--r--tests/ui/async-await/async-closures/captures.rs2
-rw-r--r--tests/ui/async-await/async-closures/clone-closure.rs2
-rw-r--r--tests/ui/async-await/async-closures/closure-shim-borrowck-error.rs2
-rw-r--r--tests/ui/async-await/async-closures/closure-shim-borrowck-error.stderr4
-rw-r--r--tests/ui/async-await/async-closures/constrained-but-no-upvars-yet.rs2
-rw-r--r--tests/ui/async-await/async-closures/debuginfo-by-move-body.rs2
-rw-r--r--tests/ui/async-await/async-closures/def-path.rs2
-rw-r--r--tests/ui/async-await/async-closures/def-path.stderr2
-rw-r--r--tests/ui/async-await/async-closures/different-projection-lengths-for-different-upvars.rs2
-rw-r--r--tests/ui/async-await/async-closures/dont-ice-when-body-tainted-by-errors.rs2
-rw-r--r--tests/ui/async-await/async-closures/dont-ice-when-body-tainted-by-errors.stderr6
-rw-r--r--tests/ui/async-await/async-closures/drop.rs1
-rw-r--r--tests/ui/async-await/async-closures/fn-exception-target-features.rs2
-rw-r--r--tests/ui/async-await/async-closures/fn-exception.rs2
-rw-r--r--tests/ui/async-await/async-closures/fn-exception.stderr8
-rw-r--r--tests/ui/async-await/async-closures/force-move-due-to-actually-fnonce.rs2
-rw-r--r--tests/ui/async-await/async-closures/force-move-due-to-inferred-kind.rs2
-rw-r--r--tests/ui/async-await/async-closures/foreign.rs2
-rw-r--r--tests/ui/async-await/async-closures/higher-ranked-return.rs2
-rw-r--r--tests/ui/async-await/async-closures/higher-ranked-return.stderr4
-rw-r--r--tests/ui/async-await/async-closures/higher-ranked.rs2
-rw-r--r--tests/ui/async-await/async-closures/implements-fnmut.rs2
-rw-r--r--tests/ui/async-await/async-closures/inline-body.rs2
-rw-r--r--tests/ui/async-await/async-closures/is-fn.rs2
-rw-r--r--tests/ui/async-await/async-closures/is-not-fn.rs4
-rw-r--r--tests/ui/async-await/async-closures/is-not-fn.stderr8
-rw-r--r--tests/ui/async-await/async-closures/lint-closure-returning-async-block.rs1
-rw-r--r--tests/ui/async-await/async-closures/lint-closure-returning-async-block.stderr12
-rw-r--r--tests/ui/async-await/async-closures/mac-body.rs2
-rw-r--r--tests/ui/async-await/async-closures/mangle.rs2
-rw-r--r--tests/ui/async-await/async-closures/moro-example.rs2
-rw-r--r--tests/ui/async-await/async-closures/move-consuming-capture.rs2
-rw-r--r--tests/ui/async-await/async-closures/move-consuming-capture.stderr4
-rw-r--r--tests/ui/async-await/async-closures/move-is-async-fn.rs2
-rw-r--r--tests/ui/async-await/async-closures/move-out-of-ref.rs2
-rw-r--r--tests/ui/async-await/async-closures/move-out-of-ref.stderr4
-rw-r--r--tests/ui/async-await/async-closures/mut-ref-reborrow.rs2
-rw-r--r--tests/ui/async-await/async-closures/mutate.rs2
-rw-r--r--tests/ui/async-await/async-closures/no-borrow-from-env.rs2
-rw-r--r--tests/ui/async-await/async-closures/non-copy-arg-does-not-force-inner-move.rs2
-rw-r--r--tests/ui/async-await/async-closures/not-clone-closure.rs2
-rw-r--r--tests/ui/async-await/async-closures/not-clone-closure.stderr8
-rw-r--r--tests/ui/async-await/async-closures/not-fn.rs2
-rw-r--r--tests/ui/async-await/async-closures/not-fn.stderr4
-rw-r--r--tests/ui/async-await/async-closures/not-lending.rs2
-rw-r--r--tests/ui/async-await/async-closures/not-lending.stderr8
-rw-r--r--tests/ui/async-await/async-closures/once.rs2
-rw-r--r--tests/ui/async-await/async-closures/overlapping-projs.rs2
-rw-r--r--tests/ui/async-await/async-closures/precise-captures.rs1
-rw-r--r--tests/ui/async-await/async-closures/pretty-async-fn-opaque.rs4
-rw-r--r--tests/ui/async-await/async-closures/pretty-async-fn-opaque.stderr2
-rw-r--r--tests/ui/async-await/async-closures/refd.rs2
-rw-r--r--tests/ui/async-await/async-closures/return-type-mismatch.rs2
-rw-r--r--tests/ui/async-await/async-closures/return-type-mismatch.stderr2
-rw-r--r--tests/ui/async-await/async-closures/sig-from-bare-fn.rs2
-rw-r--r--tests/ui/async-await/async-closures/signature-deduction.rs2
-rw-r--r--tests/ui/async-await/async-closures/signature-inference-from-two-part-bound.rs2
-rw-r--r--tests/ui/async-await/async-closures/tainted-body-2.rs2
-rw-r--r--tests/ui/async-await/async-closures/tainted-body-2.stderr2
-rw-r--r--tests/ui/async-await/async-closures/tainted-body.rs2
-rw-r--r--tests/ui/async-await/async-closures/tainted-body.stderr2
-rw-r--r--tests/ui/async-await/async-closures/truncated-fields-when-imm.rs2
-rw-r--r--tests/ui/async-await/async-closures/validate-synthetic-body.rs2
-rw-r--r--tests/ui/async-await/async-closures/without-precise-captures-we-are-powerless.rs2
-rw-r--r--tests/ui/async-await/async-closures/without-precise-captures-we-are-powerless.stderr20
-rw-r--r--tests/ui/async-await/async-closures/wrong-fn-kind.rs2
-rw-r--r--tests/ui/async-await/async-closures/wrong-fn-kind.stderr6
-rw-r--r--tests/ui/async-await/async-drop.rs2
-rw-r--r--tests/ui/async-await/async-fn/auxiliary/block-on.rs2
-rw-r--r--tests/ui/async-await/async-fn/dyn-pos.rs2
-rw-r--r--tests/ui/async-await/async-fn/dyn-pos.stderr2
-rw-r--r--tests/ui/async-await/async-fn/edition-2015.rs2
-rw-r--r--tests/ui/async-await/async-fn/edition-2015.stderr22
-rw-r--r--tests/ui/async-await/async-fn/higher-ranked-async-fn.rs2
-rw-r--r--tests/ui/async-await/async-fn/impl-trait.rs2
-rw-r--r--tests/ui/async-await/async-fn/project.rs2
-rw-r--r--tests/ui/async-await/async-fn/simple.rs2
-rw-r--r--tests/ui/async-await/async-fn/sugar.rs2
-rw-r--r--tests/ui/async-await/coroutine-desc.rs1
-rw-r--r--tests/ui/async-await/coroutine-desc.stderr20
-rw-r--r--tests/ui/async-await/dyn/auxiliary/block-on.rs20
-rw-r--r--tests/ui/async-await/dyn/mut-is-pointer-like.rs40
-rw-r--r--tests/ui/async-await/dyn/mut-is-pointer-like.run.stdout1
-rw-r--r--tests/ui/async-await/dyn/mut-is-pointer-like.stderr11
-rw-r--r--tests/ui/async-await/dyn/works.rs32
-rw-r--r--tests/ui/async-await/dyn/works.run.stdout1
-rw-r--r--tests/ui/async-await/dyn/works.stderr11
-rw-r--r--tests/ui/async-await/dyn/wrong-size.rs23
-rw-r--r--tests/ui/async-await/dyn/wrong-size.stderr21
-rw-r--r--tests/ui/async-await/feature-async-closure.rs8
-rw-r--r--tests/ui/async-await/feature-async-closure.stderr14
-rw-r--r--tests/ui/async-await/inference_var_self_argument.stderr4
-rw-r--r--tests/ui/async-await/issue-66312.stderr4
-rw-r--r--tests/ui/async-await/issue-74072-lifetime-name-annotations.rs1
-rw-r--r--tests/ui/async-await/issue-74072-lifetime-name-annotations.stderr20
-rw-r--r--tests/ui/async-await/issues/issue-62009-2.rs2
-rw-r--r--tests/ui/async-await/issues/issue-62009-2.stderr2
-rw-r--r--tests/ui/async-await/no-params-non-move-async-closure.rs2
-rw-r--r--tests/ui/async-await/suggest-missing-await-closure.fixed2
-rw-r--r--tests/ui/async-await/suggest-missing-await-closure.rs2
-rw-r--r--tests/ui/async-await/suggest-missing-await-closure.stderr6
-rw-r--r--tests/ui/async-await/track-caller/async-closure-gate.rs2
-rw-r--r--tests/ui/async-await/track-caller/panic-track-caller.rs2
-rw-r--r--tests/ui/async-await/try-on-option-in-async.rs1
-rw-r--r--tests/ui/async-await/try-on-option-in-async.stderr6
-rw-r--r--tests/ui/attributes/mixed_export_name_and_no_mangle.fixed14
-rw-r--r--tests/ui/attributes/mixed_export_name_and_no_mangle.rs16
-rw-r--r--tests/ui/attributes/mixed_export_name_and_no_mangle.stderr39
-rw-r--r--tests/ui/check-cfg/target_feature.stderr3
-rw-r--r--tests/ui/closures/binder/async-closure-with-binder.rs1
-rw-r--r--tests/ui/closures/local-type-mix.rs2
-rw-r--r--tests/ui/closures/local-type-mix.stderr16
-rw-r--r--tests/ui/codegen/alias-uninit-value.rs26
-rw-r--r--tests/ui/const-generics/generic_const_exprs/unevaluated-const-ice-119731.stderr14
-rw-r--r--tests/ui/consts/const-integer-bool-ops.stderr60
-rw-r--r--tests/ui/consts/const-mut-refs/issue-76510.stderr6
-rw-r--r--tests/ui/consts/const-try.stderr4
-rw-r--r--tests/ui/consts/const-tup-index-span.stderr6
-rw-r--r--tests/ui/consts/fn_trait_refs.stderr65
-rw-r--r--tests/ui/consts/issue-54954.stderr18
-rw-r--r--tests/ui/consts/missing_assoc_const_type2.stderr6
-rw-r--r--tests/ui/consts/promoted-type-error-issue-133968.rs7
-rw-r--r--tests/ui/consts/promoted-type-error-issue-133968.stderr16
-rw-r--r--tests/ui/consts/rustc-impl-const-stability.stderr2
-rw-r--r--tests/ui/consts/unstable-const-fn-in-libcore.stderr9
-rw-r--r--tests/ui/coroutine/break-inside-coroutine-issue-124495.rs1
-rw-r--r--tests/ui/coroutine/break-inside-coroutine-issue-124495.stderr14
-rw-r--r--tests/ui/diagnostic-flags/allow-non-lint-warnings.rs27
-rw-r--r--tests/ui/diagnostic-flags/allow-non-lint-warnings.without_flag.stderr8
-rw-r--r--tests/ui/editions/edition-keywords-2018-2015-parsing.rs2
-rw-r--r--tests/ui/editions/edition-keywords-2018-2015-parsing.stderr14
-rw-r--r--tests/ui/editions/edition-keywords-2018-2018-parsing.rs2
-rw-r--r--tests/ui/editions/edition-keywords-2018-2018-parsing.stderr18
-rw-r--r--tests/ui/editions/never-type-fallback-breaking.e2021.fixed28
-rw-r--r--tests/ui/editions/never-type-fallback-breaking.e2021.stderr52
-rw-r--r--tests/ui/editions/never-type-fallback-breaking.e2024.stderr37
-rw-r--r--tests/ui/editions/never-type-fallback-breaking.rs28
-rw-r--r--tests/ui/enum-discriminant/issue-41394.stderr6
-rw-r--r--tests/ui/feature-gates/feature-gate-arbitrary-self-types-pointers.stderr6
-rw-r--r--tests/ui/feature-gates/feature-gate-arbitrary-self-types.stderr6
-rw-r--r--tests/ui/feature-gates/feature-gate-arbitrary_self_types-raw-pointer.stderr6
-rw-r--r--tests/ui/feature-gates/feature-gate-async-fn-in-dyn-trait.rs14
-rw-r--r--tests/ui/feature-gates/feature-gate-async-fn-in-dyn-trait.stderr48
-rw-r--r--tests/ui/feature-gates/feature-gate-async-trait-bounds.rs1
-rw-r--r--tests/ui/feature-gates/feature-gate-async-trait-bounds.stderr12
-rw-r--r--tests/ui/feature-gates/feature-gate-dispatch-from-dyn-cell.stderr4
-rw-r--r--tests/ui/feature-gates/feature-gate-unsafe-binders.rs7
-rw-r--r--tests/ui/feature-gates/feature-gate-unsafe-binders.stderr13
-rw-r--r--tests/ui/higher-ranked/anonymous-higher-ranked-lifetime.rs (renamed from tests/ui/anonymous-higher-ranked-lifetime.rs)6
-rw-r--r--tests/ui/higher-ranked/anonymous-higher-ranked-lifetime.stderr (renamed from tests/ui/anonymous-higher-ranked-lifetime.stderr)44
-rw-r--r--tests/ui/impl-trait/in-trait/sized-rpits-dont-need-pointer-like.rs13
-rw-r--r--tests/ui/impl-trait/normalize-tait-in-const.stderr9
-rw-r--r--tests/ui/impl-trait/precise-capturing/overcaptures-2024.fixed4
-rw-r--r--tests/ui/impl-trait/precise-capturing/overcaptures-2024.rs4
-rw-r--r--tests/ui/impl-trait/precise-capturing/overcaptures-2024.stderr21
-rw-r--r--tests/ui/issues/auxiliary/issue-111011.rs2
-rw-r--r--tests/ui/issues/issue-56806.stderr4
-rw-r--r--tests/ui/layout/base-layout-is-sized-ice-123078.stderr6
-rw-r--r--tests/ui/layout/post-mono-layout-cycle-2.rs2
-rw-r--r--tests/ui/layout/post-mono-layout-cycle-2.stderr4
-rw-r--r--tests/ui/lifetimes/could-not-resolve-issue-121503.stderr2
-rw-r--r--tests/ui/lint/unused/lint-unused-mut-variables.rs1
-rw-r--r--tests/ui/lint/unused/lint-unused-mut-variables.stderr56
-rw-r--r--tests/ui/lint/unused/lint-unused-variables.rs1
-rw-r--r--tests/ui/lint/unused/lint-unused-variables.stderr24
-rw-r--r--tests/ui/lint/unused/unused-closure.rs1
-rw-r--r--tests/ui/lint/unused/unused-closure.stderr16
-rw-r--r--tests/ui/macros/stringify.rs1
-rw-r--r--tests/ui/methods/call_method_unknown_referent.rs48
-rw-r--r--tests/ui/methods/call_method_unknown_referent.stderr29
-rw-r--r--tests/ui/methods/call_method_unknown_referent2.rs24
-rw-r--r--tests/ui/mir/issue-68841.rs2
-rw-r--r--tests/ui/never_type/fallback-closure-ret.nofallback.stderr4
-rw-r--r--tests/ui/never_type/never-in-range-pat.rs16
-rw-r--r--tests/ui/never_type/never-in-range-pat.stderr11
-rw-r--r--tests/ui/parser/as-precedence.rs18
-rw-r--r--tests/ui/parser/bad-name.stderr12
-rw-r--r--tests/ui/parser/circular_modules_main.stderr19
-rw-r--r--tests/ui/reachable/artificial-block.rs30
-rw-r--r--tests/ui/resolve/generic-params-from-outer-item-in-const-item.default.stderr14
-rw-r--r--tests/ui/resolve/generic-params-from-outer-item-in-const-item.generic_const_items.stderr14
-rw-r--r--tests/ui/resolve/issue-50599.stderr6
-rw-r--r--tests/ui/resolve/parse-error-resolve.rs7
-rw-r--r--tests/ui/resolve/parse-error-resolve.stderr22
-rw-r--r--tests/ui/resolve/parse_error.rs5
-rw-r--r--tests/ui/resolve/parse_error.stderr13
-rw-r--r--tests/ui/rfcs/rfc-2497-if-let-chains/avoid-invalid-mir.stderr6
-rw-r--r--tests/ui/rfcs/rfc-2565-param-attrs/param-attrs-cfg.rs1
-rw-r--r--tests/ui/rfcs/rfc-2565-param-attrs/param-attrs-cfg.stderr40
-rw-r--r--tests/ui/rfcs/rfc-2627-raw-dylib/invalid-dlltool.rs2
-rw-r--r--tests/ui/rfcs/rfc-2627-raw-dylib/invalid-dlltool.stderr2
-rw-r--r--tests/ui/runtime/on-broken-pipe/auxiliary/assert-sigpipe-disposition.rs9
-rw-r--r--tests/ui/runtime/on-broken-pipe/auxiliary/sigpipe-utils.rs9
-rw-r--r--tests/ui/runtime/signal-alternate-stack-cleanup.rs9
-rw-r--r--tests/ui/sanitizer/cfi/async-closures.rs1
-rw-r--r--tests/ui/self/arbitrary-self-from-method-substs-ice.stderr6
-rw-r--r--tests/ui/self/arbitrary-self-from-method-substs-with-receiver.rs64
-rw-r--r--tests/ui/self/arbitrary-self-from-method-substs-with-receiver.stderr70
-rw-r--r--tests/ui/self/arbitrary-self-from-method-substs.default.stderr4
-rw-r--r--tests/ui/self/arbitrary-self-opaque.stderr4
-rw-r--r--tests/ui/self/arbitrary_self_types_by_value_reborrow.rs69
-rw-r--r--tests/ui/self/arbitrary_self_types_generic_over_receiver.rs23
-rw-r--r--tests/ui/self/arbitrary_self_types_generic_over_receiver.stderr59
-rw-r--r--tests/ui/self/arbitrary_self_types_generic_receiver.rs50
-rw-r--r--tests/ui/self/arbitrary_self_types_generic_receiver.stderr48
-rw-r--r--tests/ui/self/arbitrary_self_types_lifetime_elision.rs27
-rw-r--r--tests/ui/self/arbitrary_self_types_no_generics.rs32
-rw-r--r--tests/ui/self/arbitrary_self_types_not_allow_call_with_no_deref.rs38
-rw-r--r--tests/ui/self/arbitrary_self_types_not_allow_call_with_no_deref.stderr39
-rw-r--r--tests/ui/self/arbitrary_self_types_recursive_receiver.rs32
-rw-r--r--tests/ui/self/arbitrary_self_types_shadowing_val_constptr.rs33
-rw-r--r--tests/ui/self/arbitrary_self_types_struct_receiver_trait.rs31
-rw-r--r--tests/ui/self/arbitrary_self_types_trait_receiver_trait.rs25
-rw-r--r--tests/ui/self/arbitrary_self_types_unshadowing.rs55
-rw-r--r--tests/ui/self/arbitrary_self_types_unshadowing.stderr105
-rw-r--r--tests/ui/self/arbitrary_self_types_unshadowing_ptrs.rs61
-rw-r--r--tests/ui/self/arbitrary_self_types_unshadowing_ptrs.stderr122
-rw-r--r--tests/ui/self/conflicting_inner.rs38
-rw-r--r--tests/ui/self/conflicting_inner2.rs63
-rw-r--r--tests/ui/span/issue-27522.stderr4
-rw-r--r--tests/ui/specialization/const_trait_impl.stderr27
-rw-r--r--tests/ui/structs/default-field-values-support.rs52
-rw-r--r--tests/ui/suggestions/async-fn-ctor-passed-as-arg-where-it-should-have-been-called.rs1
-rw-r--r--tests/ui/suggestions/async-fn-ctor-passed-as-arg-where-it-should-have-been-called.stderr14
-rw-r--r--tests/ui/suggestions/dyn-incompatible-trait-should-use-where-sized.stderr4
-rw-r--r--tests/ui/suggestions/method-missing-parentheses.rs1
-rw-r--r--tests/ui/suggestions/method-missing-parentheses.stderr8
-rw-r--r--tests/ui/suggestions/suggest-boxed-empty-block.fixed2
-rw-r--r--tests/ui/suggestions/suggest-boxed-empty-block.rs2
-rw-r--r--tests/ui/suggestions/suggest-boxed-empty-block.stderr4
-rw-r--r--tests/ui/suggestions/suggest-on-bare-closure-call.rs2
-rw-r--r--tests/ui/suggestions/suggest-on-bare-closure-call.stderr4
-rw-r--r--tests/ui/target-feature/allowed-softfloat-target-feature-attribute.rs11
-rw-r--r--tests/ui/target-feature/allowed-softfloat-target-feature-flag-disable.rs9
-rw-r--r--tests/ui/target-feature/allowed-softfloat-target-feature-flag-disable.stderr6
-rw-r--r--tests/ui/target-feature/forbidden-hardfloat-target-feature-attribute.rs11
-rw-r--r--tests/ui/target-feature/forbidden-hardfloat-target-feature-attribute.stderr8
-rw-r--r--tests/ui/target-feature/forbidden-hardfloat-target-feature-cfg.rs14
-rw-r--r--tests/ui/target-feature/forbidden-hardfloat-target-feature-flag-disable.rs10
-rw-r--r--tests/ui/target-feature/forbidden-hardfloat-target-feature-flag-disable.stderr7
-rw-r--r--tests/ui/target-feature/forbidden-target-feature-attribute.rs1
-rw-r--r--tests/ui/target-feature/forbidden-target-feature-attribute.stderr2
-rw-r--r--tests/ui/target-feature/forbidden-target-feature-cfg.rs1
-rw-r--r--tests/ui/target-feature/forbidden-target-feature-flag-disable.rs1
-rw-r--r--tests/ui/target-feature/forbidden-target-feature-flag.rs1
-rw-r--r--tests/ui/target-feature/gate.rs1
-rw-r--r--tests/ui/target-feature/gate.stderr2
-rw-r--r--tests/ui/traits/const-traits/call-const-trait-method-pass.stderr2
-rw-r--r--tests/ui/traits/const-traits/call-generic-in-impl.stderr9
-rw-r--r--tests/ui/traits/const-traits/call-generic-method-chain.stderr20
-rw-r--r--tests/ui/traits/const-traits/call-generic-method-dup-bound.stderr20
-rw-r--r--tests/ui/traits/const-traits/call-generic-method-pass.stderr11
-rw-r--r--tests/ui/traits/const-traits/const-bounds-non-const-trait.stderr20
-rw-r--r--tests/ui/traits/const-traits/const-closure-parse-not-item.stderr13
-rw-r--r--tests/ui/traits/const-traits/const-closure-trait-method-fail.stderr9
-rw-r--r--tests/ui/traits/const-traits/const-closure-trait-method.stderr9
-rw-r--r--tests/ui/traits/const-traits/const-closures.stderr36
-rw-r--r--tests/ui/traits/const-traits/const-impl-requires-const-trait.stderr9
-rw-r--r--tests/ui/traits/const-traits/const_derives/derive-const-gate.stderr2
-rw-r--r--tests/ui/traits/const-traits/const_derives/derive-const-non-const-type.stderr2
-rw-r--r--tests/ui/traits/const-traits/const_derives/derive-const-use.stderr8
-rw-r--r--tests/ui/traits/const-traits/const_derives/derive-const-with-params.stderr5
-rw-r--r--tests/ui/traits/const-traits/dont-ice-on-const-pred-for-bounds.rs22
-rw-r--r--tests/ui/traits/const-traits/effects/auxiliary/minicore.rs10
-rw-r--r--tests/ui/traits/const-traits/effects/ice-112822-expected-type-for-param.stderr13
-rw-r--r--tests/ui/traits/const-traits/effects/spec-effectvar-ice.stderr25
-rw-r--r--tests/ui/traits/const-traits/ice-119717-constant-lifetime.stderr2
-rw-r--r--tests/ui/traits/const-traits/ice-123664-unexpected-bound-var.stderr9
-rw-r--r--tests/ui/traits/const-traits/ice-126148-failed-to-normalize.stderr4
-rw-r--r--tests/ui/traits/const-traits/non-const-op-in-closure-in-const.stderr9
-rw-r--r--tests/ui/traits/const-traits/super-traits-fail-2.nn.stderr19
-rw-r--r--tests/ui/traits/const-traits/super-traits-fail-2.ny.stderr31
-rw-r--r--tests/ui/traits/const-traits/super-traits-fail-3.nnn.stderr102
-rw-r--r--tests/ui/traits/const-traits/super-traits-fail-3.nny.stderr102
-rw-r--r--tests/ui/traits/const-traits/super-traits-fail-3.ny.stderr49
-rw-r--r--tests/ui/traits/const-traits/super-traits-fail-3.nyn.stderr53
-rw-r--r--tests/ui/traits/const-traits/super-traits-fail-3.nyy.stderr53
-rw-r--r--tests/ui/traits/const-traits/super-traits-fail-3.rs43
-rw-r--r--tests/ui/traits/const-traits/super-traits-fail-3.ynn.stderr (renamed from tests/ui/traits/const-traits/super-traits-fail-3.nn.stderr)48
-rw-r--r--tests/ui/traits/const-traits/super-traits-fail-3.yny.stderr70
-rw-r--r--tests/ui/traits/const-traits/super-traits-fail-3.yyn.stderr (renamed from tests/ui/traits/const-traits/super-traits-fail-3.yn.stderr)23
-rw-r--r--tests/ui/traits/const-traits/trait-default-body-stability.stderr4
-rw-r--r--tests/ui/traits/issue-78372.stderr4
-rw-r--r--tests/ui/type-alias-impl-trait/method_resolution3.current.stderr8
-rw-r--r--tests/ui/type-alias-impl-trait/method_resolution3.next.stderr8
-rw-r--r--tests/ui/type-alias-impl-trait/method_resolution4.current.stderr8
-rw-r--r--tests/ui/type-alias-impl-trait/method_resolution4.next.stderr8
-rw-r--r--tests/ui/type/type-dependent-def-issue-49241.stderr6
-rw-r--r--tests/ui/ufcs/ufcs-explicit-self-bad.stderr12
-rw-r--r--tests/ui/unpretty/expanded-exhaustive.rs1
-rw-r--r--tests/ui/unpretty/expanded-exhaustive.stdout1
-rw-r--r--tests/ui/unsafe-binders/expr.rs13
-rw-r--r--tests/ui/unsafe-binders/expr.stderr29
-rw-r--r--tests/ui/unsafe-binders/lifetime-resolution.rs19
-rw-r--r--tests/ui/unsafe-binders/lifetime-resolution.stderr65
-rw-r--r--tests/ui/unsafe-binders/simple.rs7
-rw-r--r--tests/ui/unsafe-binders/simple.stderr17
-rw-r--r--tests/ui/unsafe-fields/copy-trait.rs41
-rw-r--r--tests/ui/unsafe-fields/copy-trait.stderr28
420 files changed, 6727 insertions, 2447 deletions
diff --git a/tests/codegen/async-closure-debug.rs b/tests/codegen/async-closure-debug.rs
index 644df169a36..2d67e02eb9c 100644
--- a/tests/codegen/async-closure-debug.rs
+++ b/tests/codegen/async-closure-debug.rs
@@ -7,8 +7,6 @@
 // CHECK-DAG:  [[CLOSURE:!.*]] = !DICompositeType(tag: DW_TAG_structure_type, name: "{closure_env#0}", scope: [[GEN_FN]]
 // CHECK-DAG:  [[UPVAR:!.*]] = !DIDerivedType(tag: DW_TAG_member, name: "upvar", scope: [[CLOSURE]]
 
-#![feature(async_closure)]
-
 fn async_closure_test(upvar: &str) -> impl AsyncFn() + '_ {
     async move || {
         let hello = String::from("hello");
diff --git a/tests/codegen/instrument-coverage/testprog.rs b/tests/codegen/instrument-coverage/testprog.rs
index 655fe779fca..9e918499d57 100644
--- a/tests/codegen/instrument-coverage/testprog.rs
+++ b/tests/codegen/instrument-coverage/testprog.rs
@@ -73,11 +73,9 @@ fn main() {
 
 // WIN:          $__llvm_profile_runtime_user = comdat any
 
-// CHECK:        @__llvm_coverage_mapping = private constant
-// CHECK-SAME:   section "[[INSTR_PROF_COVMAP]]", align 8
+// CHECK-DAG:    @__llvm_coverage_mapping = private constant {{.*}}, section "[[INSTR_PROF_COVMAP]]", align 8
 
-// CHECK:        @__covrec_{{[A-F0-9]+}}u = linkonce_odr hidden constant
-// CHECK-SAME:   section "[[INSTR_PROF_COVFUN]]"[[COMDAT_IF_SUPPORTED]], align 8
+// CHECK-DAG:    @__covrec_{{[A-F0-9]+}}u = linkonce_odr hidden constant {{.*}}, section "[[INSTR_PROF_COVFUN]]"[[COMDAT_IF_SUPPORTED]], align 8
 
 // WIN:          @__llvm_profile_runtime = external{{.*}}global i32
 
diff --git a/tests/codegen/mem-replace-big-type.rs b/tests/codegen/mem-replace-big-type.rs
index e62adfa0ba6..0b2229ba7d1 100644
--- a/tests/codegen/mem-replace-big-type.rs
+++ b/tests/codegen/mem-replace-big-type.rs
@@ -25,9 +25,10 @@ pub fn replace_big(dst: &mut Big, src: Big) -> Big {
 // CHECK-NOT: call void @llvm.memcpy
 
 // For a large type, we expect exactly three `memcpy`s
-// CHECK-LABEL: define internal void @{{.+}}mem{{.+}}replace{{.+}}sret([56 x i8])
+// CHECK-LABEL: define internal void @{{.+}}mem{{.+}}replace{{.+}}(ptr
+// CHECK-SAME: sret([56 x i8]){{.+}}[[RESULT:%.+]], ptr{{.+}}%dest, ptr{{.+}}%src)
 // CHECK-NOT: call void @llvm.memcpy
-// CHECK: call void @llvm.memcpy.{{.+}}(ptr align 8 %result, ptr align 8 %dest, i{{.*}} 56, i1 false)
+// CHECK: call void @llvm.memcpy.{{.+}}(ptr align 8 [[RESULT]], ptr align 8 %dest, i{{.*}} 56, i1 false)
 // CHECK-NOT: call void @llvm.memcpy
 // CHECK: call void @llvm.memcpy.{{.+}}(ptr align 8 %dest, ptr align 8 %src, i{{.*}} 56, i1 false)
 // CHECK-NOT: call void @llvm.memcpy
diff --git a/tests/codegen/naked-asan.rs b/tests/codegen/naked-asan.rs
index bcaa60baeff..8efedab6ea5 100644
--- a/tests/codegen/naked-asan.rs
+++ b/tests/codegen/naked-asan.rs
@@ -8,14 +8,15 @@
 #![no_std]
 #![feature(abi_x86_interrupt, naked_functions)]
 
-// CHECK: define x86_intrcc void @page_fault_handler(ptr {{.*}}%0, i64 {{.*}}%1){{.*}}#[[ATTRS:[0-9]+]] {
-// CHECK-NOT: memcpy
+pub fn caller() {
+    page_fault_handler(1, 2);
+}
+
+// CHECK: declare x86_intrcc void @page_fault_handler(ptr {{.*}}, i64{{.*}}){{.*}}#[[ATTRS:[0-9]+]]
 #[naked]
 #[no_mangle]
 pub extern "x86-interrupt" fn page_fault_handler(_: u64, _: u64) {
-    unsafe {
-        core::arch::naked_asm!("ud2");
-    }
+    unsafe { core::arch::naked_asm!("ud2") };
 }
 
 // CHECK: #[[ATTRS]] =
diff --git a/tests/codegen/naked-fn/aligned.rs b/tests/codegen/naked-fn/aligned.rs
index 3bbd67981e5..d9dcd7f6c3e 100644
--- a/tests/codegen/naked-fn/aligned.rs
+++ b/tests/codegen/naked-fn/aligned.rs
@@ -6,15 +6,12 @@
 #![feature(naked_functions, fn_align)]
 use std::arch::naked_asm;
 
-// CHECK: Function Attrs: naked
-// CHECK-NEXT: define{{.*}}void @naked_empty()
-// CHECK: align 16
+// CHECK: .balign 16
+// CHECK-LABEL: naked_empty:
 #[repr(align(16))]
 #[no_mangle]
 #[naked]
 pub unsafe extern "C" fn naked_empty() {
-    // CHECK-NEXT: start:
-    // CHECK-NEXT: call void asm
-    // CHECK-NEXT: unreachable
+    // CHECK: ret
     naked_asm!("ret");
 }
diff --git a/tests/codegen/naked-fn/generics.rs b/tests/codegen/naked-fn/generics.rs
new file mode 100644
index 00000000000..a33d213617a
--- /dev/null
+++ b/tests/codegen/naked-fn/generics.rs
@@ -0,0 +1,116 @@
+//@ compile-flags: -O
+//@ only-x86_64
+
+#![crate_type = "lib"]
+#![feature(naked_functions, asm_const)]
+
+use std::arch::naked_asm;
+
+#[no_mangle]
+fn test(x: u64) {
+    // just making sure these symbols get used
+    using_const_generics::<1>(x);
+    using_const_generics::<2>(x);
+
+    generic_function::<i64>(x as i64);
+
+    let foo = Foo(x);
+
+    foo.method();
+    foo.trait_method();
+}
+
+// CHECK: .balign 4
+// CHECK: add rax, 2
+// CHECK: add rax, 42
+
+// CHECK: .balign 4
+// CHECK: add rax, 1
+// CHECK: add rax, 42
+
+#[naked]
+pub extern "C" fn using_const_generics<const N: u64>(x: u64) -> u64 {
+    const M: u64 = 42;
+
+    unsafe {
+        naked_asm!(
+            "xor rax, rax",
+            "add rax, rdi",
+            "add rax, {}",
+            "add rax, {}",
+            "ret",
+            const N,
+            const M,
+        )
+    }
+}
+
+trait Invert {
+    fn invert(self) -> Self;
+}
+
+impl Invert for i64 {
+    fn invert(self) -> Self {
+        -1 * self
+    }
+}
+
+// CHECK: .balign 4
+// CHECK-LABEL: generic_function:
+// CHECK: call
+// CHECK: ret
+
+#[naked]
+#[no_mangle]
+pub extern "C" fn generic_function<T: Invert>(x: i64) -> i64 {
+    unsafe {
+        naked_asm!(
+            "call {}",
+            "ret",
+            sym <T as Invert>::invert,
+        )
+    }
+}
+
+#[derive(Copy, Clone)]
+#[repr(transparent)]
+struct Foo(u64);
+
+// CHECK: .balign 4
+// CHECK-LABEL: method:
+// CHECK: mov rax, rdi
+
+impl Foo {
+    #[naked]
+    #[no_mangle]
+    extern "C" fn method(self) -> u64 {
+        unsafe { naked_asm!("mov rax, rdi", "ret") }
+    }
+}
+
+// CHECK: .balign 4
+// CHECK-LABEL: trait_method:
+// CHECK: mov rax, rdi
+
+trait Bar {
+    extern "C" fn trait_method(self) -> u64;
+}
+
+impl Bar for Foo {
+    #[naked]
+    #[no_mangle]
+    extern "C" fn trait_method(self) -> u64 {
+        unsafe { naked_asm!("mov rax, rdi", "ret") }
+    }
+}
+
+// CHECK: .balign 4
+// CHECK-LABEL: naked_with_args_and_return:
+// CHECK: lea rax, [rdi + rsi]
+
+// this previously ICE'd, see https://github.com/rust-lang/rust/issues/124375
+#[naked]
+#[no_mangle]
+pub unsafe extern "C" fn naked_with_args_and_return(a: isize, b: isize) -> isize {
+    naked_asm!("lea rax, [rdi + rsi]", "ret");
+}
diff --git a/tests/codegen/naked-fn/instruction-set.rs b/tests/codegen/naked-fn/instruction-set.rs
new file mode 100644
index 00000000000..5b790b2034c
--- /dev/null
+++ b/tests/codegen/naked-fn/instruction-set.rs
@@ -0,0 +1,59 @@
+//@ revisions: arm-mode thumb-mode
+//@ [arm-mode] compile-flags: --target armv5te-none-eabi
+//@ [thumb-mode] compile-flags: --target thumbv5te-none-eabi
+//@ [arm-mode] needs-llvm-components: arm
+//@ [thumb-mode] needs-llvm-components: arm
+
+#![crate_type = "lib"]
+#![feature(no_core, lang_items, rustc_attrs, naked_functions)]
+#![no_core]
+
+#[rustc_builtin_macro]
+macro_rules! naked_asm {
+    () => {};
+}
+
+#[lang = "sized"]
+trait Sized {}
+#[lang = "copy"]
+trait Copy {}
+
+// arm-mode: .arm
+// thumb-mode: .thumb
+// CHECK-LABEL: test_unspecified:
+// CHECK: bx lr
+// CHECK: .popsection
+// arm-mode: .arm
+// thumb-mode: .thumb
+#[no_mangle]
+#[naked]
+unsafe extern "C" fn test_unspecified() {
+    naked_asm!("bx lr");
+}
+
+// CHECK: .thumb
+// CHECK: .thumb_func
+// CHECK-LABEL: test_thumb:
+// CHECK: bx lr
+// CHECK: .popsection
+// arm-mode: .arm
+// thumb-mode: .thumb
+#[no_mangle]
+#[naked]
+#[instruction_set(arm::t32)]
+unsafe extern "C" fn test_thumb() {
+    naked_asm!("bx lr");
+}
+
+// CHECK: .arm
+// CHECK-LABEL: test_arm:
+// CHECK: bx lr
+// CHECK: .popsection
+// arm-mode: .arm
+// thumb-mode: .thumb
+#[no_mangle]
+#[naked]
+#[instruction_set(arm::a32)]
+unsafe extern "C" fn test_arm() {
+    naked_asm!("bx lr");
+}
diff --git a/tests/codegen/naked-fn/naked-functions.rs b/tests/codegen/naked-fn/naked-functions.rs
index 3f7447af599..f505d27d48c 100644
--- a/tests/codegen/naked-fn/naked-functions.rs
+++ b/tests/codegen/naked-fn/naked-functions.rs
@@ -1,29 +1,147 @@
-//@ compile-flags: -C no-prepopulate-passes -Copt-level=0
-//@ needs-asm-support
-//@ only-x86_64
+//@ revisions: linux win macos thumb
+//
+//@[linux] compile-flags: --target x86_64-unknown-linux-gnu
+//@[linux] needs-llvm-components: x86
+//@[win] compile-flags: --target x86_64-pc-windows-gnu
+//@[win] needs-llvm-components: x86
+//@[macos] compile-flags: --target aarch64-apple-darwin
+//@[macos] needs-llvm-components: arm
+//@[thumb] compile-flags: --target thumbv7em-none-eabi
+//@[thumb] needs-llvm-components: arm
 
 #![crate_type = "lib"]
-#![feature(naked_functions)]
-use std::arch::naked_asm;
+#![feature(no_core, lang_items, rustc_attrs, naked_functions)]
+#![no_core]
+
+#[rustc_builtin_macro]
+macro_rules! naked_asm {
+    () => {};
+}
+
+#[lang = "sized"]
+trait Sized {}
+#[lang = "copy"]
+trait Copy {}
+
+// linux,win: .intel_syntax
+//
+// linux:   .pushsection .text.naked_empty,\22ax\22, @progbits
+// macos:   .pushsection __TEXT,__text,regular,pure_instructions
+// win: .pushsection .text.naked_empty,\22xr\22
+// thumb:   .pushsection .text.naked_empty,\22ax\22, %progbits
+//
+// CHECK: .balign 4
+//
+// linux,win,thumb: .globl naked_empty
+// macos: .globl _naked_empty
+//
+// CHECK-NOT: .private_extern
+// CHECK-NOT: .hidden
+//
+// linux: .type naked_empty, @function
+//
+// win: .def naked_empty
+// win: .scl 2
+// win: .type 32
+// win: .endef naked_empty
+//
+// thumb: .type naked_empty, %function
+// thumb: .thumb
+// thumb: .thumb_func
+//
+// CHECK-LABEL: naked_empty:
+//
+// linux,macos,win: ret
+// thumb: bx lr
+//
+// CHECK: .popsection
+//
+// thumb: .thumb
+//
+// linux,win: .att_syntax
 
-// CHECK: Function Attrs: naked
-// CHECK-NEXT: define{{.*}}void @naked_empty()
 #[no_mangle]
 #[naked]
 pub unsafe extern "C" fn naked_empty() {
-    // CHECK-NEXT: {{.+}}:
-    // CHECK-NEXT: call void asm
-    // CHECK-NEXT: unreachable
+    #[cfg(not(all(target_arch = "arm", target_feature = "thumb-mode")))]
     naked_asm!("ret");
+
+    #[cfg(all(target_arch = "arm", target_feature = "thumb-mode"))]
+    naked_asm!("bx lr");
 }
 
-// CHECK: Function Attrs: naked
-// CHECK-NEXT: define{{.*}}i{{[0-9]+}} @naked_with_args_and_return(i64 %0, i64 %1)
+// linux,win: .intel_syntax
+//
+// linux:   .pushsection .text.naked_with_args_and_return,\22ax\22, @progbits
+// macos:   .pushsection __TEXT,__text,regular,pure_instructions
+// win: .pushsection .text.naked_with_args_and_return,\22xr\22
+// thumb:   .pushsection .text.naked_with_args_and_return,\22ax\22, %progbits
+//
+// CHECK: .balign 4
+//
+// linux,win,thumb: .globl naked_with_args_and_return
+// macos: .globl _naked_with_args_and_return
+//
+// CHECK-NOT: .private_extern
+// CHECK-NOT: .hidden
+//
+// linux: .type naked_with_args_and_return, @function
+//
+// win: .def naked_with_args_and_return
+// win: .scl 2
+// win: .type 32
+// win: .endef naked_with_args_and_return
+//
+// thumb: .type naked_with_args_and_return, %function
+// thumb: .thumb
+// thumb: .thumb_func
+//
+// CHECK-LABEL: naked_with_args_and_return:
+//
+// linux, win: lea rax, [rdi + rsi]
+// macos: add x0, x0, x1
+// thumb: adds r0, r0, r1
+//
+// linux,macos,win: ret
+// thumb: bx lr
+//
+// CHECK: .popsection
+//
+// thumb: .thumb
+//
+// linux,win: .att_syntax
+
 #[no_mangle]
 #[naked]
 pub unsafe extern "C" fn naked_with_args_and_return(a: isize, b: isize) -> isize {
-    // CHECK-NEXT: {{.+}}:
-    // CHECK-NEXT: call void asm
-    // CHECK-NEXT: unreachable
-    naked_asm!("lea rax, [rdi + rsi]", "ret");
+    #[cfg(any(target_os = "windows", target_os = "linux"))]
+    {
+        naked_asm!("lea rax, [rdi + rsi]", "ret")
+    }
+
+    #[cfg(target_os = "macos")]
+    {
+        naked_asm!("add x0, x0, x1", "ret")
+    }
+
+    #[cfg(all(target_arch = "arm", target_feature = "thumb-mode"))]
+    {
+        naked_asm!("adds r0, r0, r1", "bx lr")
+    }
+}
+
+// linux:   .pushsection .text.some_different_name,\22ax\22, @progbits
+// macos:   .pushsection .text.some_different_name,regular,pure_instructions
+// win: .pushsection .text.some_different_name,\22xr\22
+// thumb:   .pushsection .text.some_different_name,\22ax\22, %progbits
+// CHECK-LABEL: test_link_section:
+#[no_mangle]
+#[naked]
+#[link_section = ".text.some_different_name"]
+pub unsafe extern "C" fn test_link_section() {
+    #[cfg(not(all(target_arch = "arm", target_feature = "thumb-mode")))]
+    naked_asm!("ret");
+
+    #[cfg(all(target_arch = "arm", target_feature = "thumb-mode"))]
+    naked_asm!("bx lr");
 }
diff --git a/tests/codegen/naked-fn/naked-nocoverage.rs b/tests/codegen/naked-fn/naked-nocoverage.rs
deleted file mode 100644
index f63661bcd3a..00000000000
--- a/tests/codegen/naked-fn/naked-nocoverage.rs
+++ /dev/null
@@ -1,19 +0,0 @@
-// Checks that naked functions are not instrumented by -Cinstrument-coverage.
-// Regression test for issue #105170.
-//
-//@ needs-asm-support
-//@ compile-flags: -Zno-profiler-runtime
-//@ compile-flags: -Cinstrument-coverage
-#![crate_type = "lib"]
-#![feature(naked_functions)]
-use std::arch::naked_asm;
-
-#[naked]
-#[no_mangle]
-pub unsafe extern "C" fn f() {
-    // CHECK:       define {{(dso_local )?}}void @f()
-    // CHECK-NEXT:  start:
-    // CHECK-NEXT:    call void asm
-    // CHECK-NEXT:    unreachable
-    naked_asm!("");
-}
diff --git a/tests/codegen/naked-fn/naked-noinline.rs b/tests/codegen/naked-fn/naked-noinline.rs
deleted file mode 100644
index 6ea36d96783..00000000000
--- a/tests/codegen/naked-fn/naked-noinline.rs
+++ /dev/null
@@ -1,31 +0,0 @@
-// Checks that naked functions are never inlined.
-//@ compile-flags: -O -Zmir-opt-level=3
-//@ needs-asm-support
-//@ ignore-wasm32
-#![crate_type = "lib"]
-#![feature(naked_functions)]
-
-use std::arch::naked_asm;
-
-#[naked]
-#[no_mangle]
-pub unsafe extern "C" fn f() {
-    // Check that f has naked and noinline attributes.
-    //
-    // CHECK:       define {{(dso_local )?}}void @f() unnamed_addr [[ATTR:#[0-9]+]]
-    // CHECK-NEXT:  start:
-    // CHECK-NEXT:    call void asm
-    naked_asm!("");
-}
-
-#[no_mangle]
-pub unsafe fn g() {
-    // Check that call to f is not inlined.
-    //
-    // CHECK-LABEL: define {{(dso_local )?}}void @g()
-    // CHECK-NEXT:  start:
-    // CHECK-NEXT:    call void @f()
-    f();
-}
-
-// CHECK: attributes [[ATTR]] = { naked{{.*}}noinline{{.*}} }
diff --git a/tests/coverage/async_closure.cov-map b/tests/coverage/async_closure.cov-map
index 9ff29af8e8e..04c05ba098b 100644
--- a/tests/coverage/async_closure.cov-map
+++ b/tests/coverage/async_closure.cov-map
@@ -1,56 +1,56 @@
 Function name: async_closure::call_once::<async_closure::main::{closure#0}>
-Raw bytes (9): 0x[01, 01, 00, 01, 01, 07, 01, 00, 2b]
+Raw bytes (9): 0x[01, 01, 00, 01, 01, 06, 01, 00, 2b]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 0
 Number of file 0 mappings: 1
-- Code(Counter(0)) at (prev + 7, 1) to (start + 0, 43)
+- Code(Counter(0)) at (prev + 6, 1) to (start + 0, 43)
 Highest counter ID seen: c0
 
 Function name: async_closure::call_once::<async_closure::main::{closure#0}>::{closure#0}
-Raw bytes (14): 0x[01, 01, 00, 02, 01, 07, 2b, 01, 0e, 05, 02, 01, 00, 02]
+Raw bytes (14): 0x[01, 01, 00, 02, 01, 06, 2b, 01, 0e, 05, 02, 01, 00, 02]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 0
 Number of file 0 mappings: 2
-- Code(Counter(0)) at (prev + 7, 43) to (start + 1, 14)
+- Code(Counter(0)) at (prev + 6, 43) to (start + 1, 14)
 - Code(Counter(1)) at (prev + 2, 1) to (start + 0, 2)
 Highest counter ID seen: c1
 
 Function name: async_closure::main
-Raw bytes (14): 0x[01, 01, 00, 02, 01, 0b, 01, 01, 16, 01, 02, 05, 02, 02]
+Raw bytes (14): 0x[01, 01, 00, 02, 01, 0a, 01, 01, 16, 01, 02, 05, 02, 02]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 0
 Number of file 0 mappings: 2
-- Code(Counter(0)) at (prev + 11, 1) to (start + 1, 22)
+- Code(Counter(0)) at (prev + 10, 1) to (start + 1, 22)
 - Code(Counter(0)) at (prev + 2, 5) to (start + 2, 2)
 Highest counter ID seen: c0
 
 Function name: async_closure::main::{closure#0}
-Raw bytes (9): 0x[01, 01, 00, 01, 01, 0c, 23, 00, 24]
+Raw bytes (9): 0x[01, 01, 00, 01, 01, 0b, 23, 00, 24]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 0
 Number of file 0 mappings: 1
-- Code(Counter(0)) at (prev + 12, 35) to (start + 0, 36)
+- Code(Counter(0)) at (prev + 11, 35) to (start + 0, 36)
 Highest counter ID seen: c0
 
 Function name: async_closure::main::{closure#0}::{closure#0}::<i16>
-Raw bytes (9): 0x[01, 01, 00, 01, 01, 0c, 22, 00, 24]
+Raw bytes (9): 0x[01, 01, 00, 01, 01, 0b, 22, 00, 24]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 0
 Number of file 0 mappings: 1
-- Code(Counter(0)) at (prev + 12, 34) to (start + 0, 36)
+- Code(Counter(0)) at (prev + 11, 34) to (start + 0, 36)
 Highest counter ID seen: c0
 
 Function name: async_closure::main::{closure#0}::{closure#1}::<i32>
-Raw bytes (9): 0x[01, 01, 00, 01, 01, 0c, 23, 00, 24]
+Raw bytes (9): 0x[01, 01, 00, 01, 01, 0b, 23, 00, 24]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 0
 Number of file 0 mappings: 1
-- Code(Counter(0)) at (prev + 12, 35) to (start + 0, 36)
+- Code(Counter(0)) at (prev + 11, 35) to (start + 0, 36)
 Highest counter ID seen: c0
 
diff --git a/tests/coverage/async_closure.coverage b/tests/coverage/async_closure.coverage
index 75da1a01fc1..7fbea265812 100644
--- a/tests/coverage/async_closure.coverage
+++ b/tests/coverage/async_closure.coverage
@@ -1,4 +1,3 @@
-   LL|       |#![feature(async_closure)]
    LL|       |//@ edition: 2021
    LL|       |
    LL|       |//@ aux-build: executor.rs
diff --git a/tests/coverage/async_closure.rs b/tests/coverage/async_closure.rs
index cbac592d957..85c5df1f1ab 100644
--- a/tests/coverage/async_closure.rs
+++ b/tests/coverage/async_closure.rs
@@ -1,4 +1,3 @@
-#![feature(async_closure)]
 //@ edition: 2021
 
 //@ aux-build: executor.rs
diff --git a/tests/coverage/branch/guard.cov-map b/tests/coverage/branch/guard.cov-map
index 1ba1c6e1228..7ca499bd847 100644
--- a/tests/coverage/branch/guard.cov-map
+++ b/tests/coverage/branch/guard.cov-map
@@ -1,35 +1,37 @@
 Function name: guard::branch_match_guard
-Raw bytes (85): 0x[01, 01, 06, 19, 0d, 05, 09, 0f, 15, 13, 11, 17, 0d, 05, 09, 0d, 01, 0c, 01, 01, 10, 02, 03, 0b, 00, 0c, 15, 01, 14, 02, 0a, 0d, 03, 0e, 00, 0f, 19, 00, 14, 00, 19, 20, 0d, 02, 00, 14, 00, 1e, 0d, 00, 1d, 02, 0a, 11, 03, 0e, 00, 0f, 02, 00, 14, 00, 19, 20, 11, 05, 00, 14, 00, 1e, 11, 00, 1d, 02, 0a, 17, 03, 0e, 02, 0a, 0b, 04, 01, 00, 02]
+Raw bytes (89): 0x[01, 01, 08, 05, 0d, 05, 17, 0d, 11, 1f, 17, 05, 09, 0d, 11, 1f, 15, 05, 09, 0d, 01, 0c, 01, 01, 10, 02, 03, 0b, 00, 0c, 15, 01, 14, 02, 0a, 0d, 03, 0e, 00, 0f, 05, 00, 14, 00, 19, 20, 0d, 02, 00, 14, 00, 1e, 0d, 00, 1d, 02, 0a, 11, 03, 0e, 00, 0f, 02, 00, 14, 00, 19, 20, 11, 06, 00, 14, 00, 1e, 11, 00, 1d, 02, 0a, 0e, 03, 0e, 02, 0a, 1b, 04, 01, 00, 02]
 Number of files: 1
 - file 0 => global file 1
-Number of expressions: 6
-- expression 0 operands: lhs = Counter(6), rhs = Counter(3)
-- expression 1 operands: lhs = Counter(1), rhs = Counter(2)
-- expression 2 operands: lhs = Expression(3, Add), rhs = Counter(5)
-- expression 3 operands: lhs = Expression(4, Add), rhs = Counter(4)
-- expression 4 operands: lhs = Expression(5, Add), rhs = Counter(3)
-- expression 5 operands: lhs = Counter(1), rhs = Counter(2)
+Number of expressions: 8
+- expression 0 operands: lhs = Counter(1), rhs = Counter(3)
+- expression 1 operands: lhs = Counter(1), rhs = Expression(5, Add)
+- expression 2 operands: lhs = Counter(3), rhs = Counter(4)
+- expression 3 operands: lhs = Expression(7, Add), rhs = Expression(5, Add)
+- expression 4 operands: lhs = Counter(1), rhs = Counter(2)
+- expression 5 operands: lhs = Counter(3), rhs = Counter(4)
+- expression 6 operands: lhs = Expression(7, Add), rhs = Counter(5)
+- expression 7 operands: lhs = Counter(1), rhs = Counter(2)
 Number of file 0 mappings: 13
 - Code(Counter(0)) at (prev + 12, 1) to (start + 1, 16)
 - Code(Expression(0, Sub)) at (prev + 3, 11) to (start + 0, 12)
-    = (c6 - c3)
+    = (c1 - c3)
 - Code(Counter(5)) at (prev + 1, 20) to (start + 2, 10)
 - Code(Counter(3)) at (prev + 3, 14) to (start + 0, 15)
-- Code(Counter(6)) at (prev + 0, 20) to (start + 0, 25)
+- Code(Counter(1)) at (prev + 0, 20) to (start + 0, 25)
 - Branch { true: Counter(3), false: Expression(0, Sub) } at (prev + 0, 20) to (start + 0, 30)
     true  = c3
-    false = (c6 - c3)
+    false = (c1 - c3)
 - Code(Counter(3)) at (prev + 0, 29) to (start + 2, 10)
 - Code(Counter(4)) at (prev + 3, 14) to (start + 0, 15)
 - Code(Expression(0, Sub)) at (prev + 0, 20) to (start + 0, 25)
-    = (c6 - c3)
-- Branch { true: Counter(4), false: Counter(1) } at (prev + 0, 20) to (start + 0, 30)
+    = (c1 - c3)
+- Branch { true: Counter(4), false: Expression(1, Sub) } at (prev + 0, 20) to (start + 0, 30)
     true  = c4
-    false = c1
+    false = (c1 - (c3 + c4))
 - Code(Counter(4)) at (prev + 0, 29) to (start + 2, 10)
-- Code(Expression(5, Add)) at (prev + 3, 14) to (start + 2, 10)
-    = (c1 + c2)
-- Code(Expression(2, Add)) at (prev + 4, 1) to (start + 0, 2)
-    = ((((c1 + c2) + c3) + c4) + c5)
-Highest counter ID seen: c6
+- Code(Expression(3, Sub)) at (prev + 3, 14) to (start + 2, 10)
+    = ((c1 + c2) - (c3 + c4))
+- Code(Expression(6, Add)) at (prev + 4, 1) to (start + 0, 2)
+    = ((c1 + c2) + c5)
+Highest counter ID seen: c5
 
diff --git a/tests/coverage/branch/if-let.cov-map b/tests/coverage/branch/if-let.cov-map
index 380765c7af4..773c5392465 100644
--- a/tests/coverage/branch/if-let.cov-map
+++ b/tests/coverage/branch/if-let.cov-map
@@ -19,14 +19,18 @@ Number of file 0 mappings: 7
 Highest counter ID seen: c2
 
 Function name: if_let::if_let_chain
-Raw bytes (66): 0x[01, 01, 04, 01, 05, 05, 09, 0f, 0d, 05, 09, 0a, 01, 17, 01, 00, 33, 20, 02, 05, 01, 0c, 00, 13, 02, 00, 11, 00, 12, 01, 00, 16, 00, 17, 20, 0d, 09, 01, 10, 00, 17, 0d, 00, 15, 00, 16, 02, 00, 1a, 00, 1b, 0d, 01, 05, 03, 06, 0f, 03, 0c, 02, 06, 0b, 03, 05, 01, 02]
+Raw bytes (74): 0x[01, 01, 08, 01, 05, 01, 1f, 05, 09, 01, 1f, 05, 09, 01, 1f, 05, 09, 05, 09, 0a, 01, 17, 01, 00, 33, 20, 02, 05, 01, 0c, 00, 13, 02, 00, 11, 00, 12, 01, 00, 16, 00, 17, 20, 16, 09, 01, 10, 00, 17, 16, 00, 15, 00, 16, 02, 00, 1a, 00, 1b, 16, 01, 05, 03, 06, 1f, 03, 0c, 02, 06, 01, 03, 05, 01, 02]
 Number of files: 1
 - file 0 => global file 1
-Number of expressions: 4
+Number of expressions: 8
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
-- expression 1 operands: lhs = Counter(1), rhs = Counter(2)
-- expression 2 operands: lhs = Expression(3, Add), rhs = Counter(3)
-- expression 3 operands: lhs = Counter(1), rhs = Counter(2)
+- expression 1 operands: lhs = Counter(0), rhs = Expression(7, Add)
+- expression 2 operands: lhs = Counter(1), rhs = Counter(2)
+- expression 3 operands: lhs = Counter(0), rhs = Expression(7, Add)
+- expression 4 operands: lhs = Counter(1), rhs = Counter(2)
+- expression 5 operands: lhs = Counter(0), rhs = Expression(7, Add)
+- expression 6 operands: lhs = Counter(1), rhs = Counter(2)
+- expression 7 operands: lhs = Counter(1), rhs = Counter(2)
 Number of file 0 mappings: 10
 - Code(Counter(0)) at (prev + 23, 1) to (start + 0, 51)
 - Branch { true: Expression(0, Sub), false: Counter(1) } at (prev + 1, 12) to (start + 0, 19)
@@ -35,16 +39,17 @@ Number of file 0 mappings: 10
 - Code(Expression(0, Sub)) at (prev + 0, 17) to (start + 0, 18)
     = (c0 - c1)
 - Code(Counter(0)) at (prev + 0, 22) to (start + 0, 23)
-- Branch { true: Counter(3), false: Counter(2) } at (prev + 1, 16) to (start + 0, 23)
-    true  = c3
+- Branch { true: Expression(5, Sub), false: Counter(2) } at (prev + 1, 16) to (start + 0, 23)
+    true  = (c0 - (c1 + c2))
     false = c2
-- Code(Counter(3)) at (prev + 0, 21) to (start + 0, 22)
+- Code(Expression(5, Sub)) at (prev + 0, 21) to (start + 0, 22)
+    = (c0 - (c1 + c2))
 - Code(Expression(0, Sub)) at (prev + 0, 26) to (start + 0, 27)
     = (c0 - c1)
-- Code(Counter(3)) at (prev + 1, 5) to (start + 3, 6)
-- Code(Expression(3, Add)) at (prev + 3, 12) to (start + 2, 6)
+- Code(Expression(5, Sub)) at (prev + 1, 5) to (start + 3, 6)
+    = (c0 - (c1 + c2))
+- Code(Expression(7, Add)) at (prev + 3, 12) to (start + 2, 6)
     = (c1 + c2)
-- Code(Expression(2, Add)) at (prev + 3, 5) to (start + 1, 2)
-    = ((c1 + c2) + c3)
-Highest counter ID seen: c3
+- Code(Counter(0)) at (prev + 3, 5) to (start + 1, 2)
+Highest counter ID seen: c2
 
diff --git a/tests/coverage/branch/if.cov-map b/tests/coverage/branch/if.cov-map
index bab982dd44c..3d9a1d2e1ab 100644
--- a/tests/coverage/branch/if.cov-map
+++ b/tests/coverage/branch/if.cov-map
@@ -1,14 +1,11 @@
 Function name: if::branch_and
-Raw bytes (60): 0x[01, 01, 06, 05, 09, 0b, 09, 05, 11, 13, 09, 17, 11, 05, 0d, 08, 01, 2b, 01, 01, 10, 05, 03, 08, 00, 09, 20, 09, 02, 00, 08, 00, 09, 09, 00, 0d, 00, 0e, 20, 0d, 11, 00, 0d, 00, 0e, 0d, 00, 0f, 02, 06, 06, 02, 0c, 02, 06, 0e, 03, 01, 00, 02]
+Raw bytes (54): 0x[01, 01, 03, 05, 09, 09, 0d, 05, 0d, 08, 01, 2b, 01, 01, 10, 05, 03, 08, 00, 09, 20, 09, 02, 00, 08, 00, 09, 09, 00, 0d, 00, 0e, 20, 0d, 06, 00, 0d, 00, 0e, 0d, 00, 0f, 02, 06, 0a, 02, 0c, 02, 06, 05, 03, 01, 00, 02]
 Number of files: 1
 - file 0 => global file 1
-Number of expressions: 6
+Number of expressions: 3
 - expression 0 operands: lhs = Counter(1), rhs = Counter(2)
-- expression 1 operands: lhs = Expression(2, Add), rhs = Counter(2)
-- expression 2 operands: lhs = Counter(1), rhs = Counter(4)
-- expression 3 operands: lhs = Expression(4, Add), rhs = Counter(2)
-- expression 4 operands: lhs = Expression(5, Add), rhs = Counter(4)
-- expression 5 operands: lhs = Counter(1), rhs = Counter(3)
+- expression 1 operands: lhs = Counter(2), rhs = Counter(3)
+- expression 2 operands: lhs = Counter(1), rhs = Counter(3)
 Number of file 0 mappings: 8
 - Code(Counter(0)) at (prev + 43, 1) to (start + 1, 16)
 - Code(Counter(1)) at (prev + 3, 8) to (start + 0, 9)
@@ -16,15 +13,14 @@ Number of file 0 mappings: 8
     true  = c2
     false = (c1 - c2)
 - Code(Counter(2)) at (prev + 0, 13) to (start + 0, 14)
-- Branch { true: Counter(3), false: Counter(4) } at (prev + 0, 13) to (start + 0, 14)
+- Branch { true: Counter(3), false: Expression(1, Sub) } at (prev + 0, 13) to (start + 0, 14)
     true  = c3
-    false = c4
+    false = (c2 - c3)
 - Code(Counter(3)) at (prev + 0, 15) to (start + 2, 6)
-- Code(Expression(1, Sub)) at (prev + 2, 12) to (start + 2, 6)
-    = ((c1 + c4) - c2)
-- Code(Expression(3, Sub)) at (prev + 3, 1) to (start + 0, 2)
-    = (((c1 + c3) + c4) - c2)
-Highest counter ID seen: c4
+- Code(Expression(2, Sub)) at (prev + 2, 12) to (start + 2, 6)
+    = (c1 - c3)
+- Code(Counter(1)) at (prev + 3, 1) to (start + 0, 2)
+Highest counter ID seen: c3
 
 Function name: if::branch_not
 Raw bytes (116): 0x[01, 01, 07, 05, 09, 05, 0d, 05, 0d, 05, 11, 05, 11, 05, 15, 05, 15, 12, 01, 0c, 01, 01, 10, 05, 03, 08, 00, 09, 20, 09, 02, 00, 08, 00, 09, 09, 01, 09, 00, 11, 02, 01, 05, 00, 06, 05, 01, 08, 00, 0a, 20, 0a, 0d, 00, 08, 00, 0a, 0a, 00, 0b, 02, 06, 0d, 02, 05, 00, 06, 05, 01, 08, 00, 0b, 20, 11, 12, 00, 08, 00, 0b, 11, 00, 0c, 02, 06, 12, 02, 05, 00, 06, 05, 01, 08, 00, 0c, 20, 1a, 15, 00, 08, 00, 0c, 1a, 00, 0d, 02, 06, 15, 02, 05, 00, 06, 05, 01, 01, 00, 02]
@@ -108,14 +104,16 @@ Number of file 0 mappings: 14
 Highest counter ID seen: c4
 
 Function name: if::branch_or
-Raw bytes (56): 0x[01, 01, 04, 05, 09, 09, 0d, 0f, 11, 09, 0d, 08, 01, 35, 01, 01, 10, 05, 03, 08, 00, 09, 20, 09, 02, 00, 08, 00, 09, 02, 00, 0d, 00, 0e, 20, 0d, 11, 00, 0d, 00, 0e, 0f, 00, 0f, 02, 06, 11, 02, 0c, 02, 06, 0b, 03, 01, 00, 02]
+Raw bytes (60): 0x[01, 01, 06, 05, 09, 05, 17, 09, 0d, 09, 0d, 05, 17, 09, 0d, 08, 01, 35, 01, 01, 10, 05, 03, 08, 00, 09, 20, 09, 02, 00, 08, 00, 09, 02, 00, 0d, 00, 0e, 20, 0d, 12, 00, 0d, 00, 0e, 17, 00, 0f, 02, 06, 12, 02, 0c, 02, 06, 05, 03, 01, 00, 02]
 Number of files: 1
 - file 0 => global file 1
-Number of expressions: 4
+Number of expressions: 6
 - expression 0 operands: lhs = Counter(1), rhs = Counter(2)
-- expression 1 operands: lhs = Counter(2), rhs = Counter(3)
-- expression 2 operands: lhs = Expression(3, Add), rhs = Counter(4)
+- expression 1 operands: lhs = Counter(1), rhs = Expression(5, Add)
+- expression 2 operands: lhs = Counter(2), rhs = Counter(3)
 - expression 3 operands: lhs = Counter(2), rhs = Counter(3)
+- expression 4 operands: lhs = Counter(1), rhs = Expression(5, Add)
+- expression 5 operands: lhs = Counter(2), rhs = Counter(3)
 Number of file 0 mappings: 8
 - Code(Counter(0)) at (prev + 53, 1) to (start + 1, 16)
 - Code(Counter(1)) at (prev + 3, 8) to (start + 0, 9)
@@ -124,13 +122,13 @@ Number of file 0 mappings: 8
     false = (c1 - c2)
 - Code(Expression(0, Sub)) at (prev + 0, 13) to (start + 0, 14)
     = (c1 - c2)
-- Branch { true: Counter(3), false: Counter(4) } at (prev + 0, 13) to (start + 0, 14)
+- Branch { true: Counter(3), false: Expression(4, Sub) } at (prev + 0, 13) to (start + 0, 14)
     true  = c3
-    false = c4
-- Code(Expression(3, Add)) at (prev + 0, 15) to (start + 2, 6)
+    false = (c1 - (c2 + c3))
+- Code(Expression(5, Add)) at (prev + 0, 15) to (start + 2, 6)
     = (c2 + c3)
-- Code(Counter(4)) at (prev + 2, 12) to (start + 2, 6)
-- Code(Expression(2, Add)) at (prev + 3, 1) to (start + 0, 2)
-    = ((c2 + c3) + c4)
-Highest counter ID seen: c4
+- Code(Expression(4, Sub)) at (prev + 2, 12) to (start + 2, 6)
+    = (c1 - (c2 + c3))
+- Code(Counter(1)) at (prev + 3, 1) to (start + 0, 2)
+Highest counter ID seen: c3
 
diff --git a/tests/coverage/branch/lazy-boolean.cov-map b/tests/coverage/branch/lazy-boolean.cov-map
index decb847f60e..94522734bcd 100644
--- a/tests/coverage/branch/lazy-boolean.cov-map
+++ b/tests/coverage/branch/lazy-boolean.cov-map
@@ -34,85 +34,67 @@ Number of file 0 mappings: 6
 Highest counter ID seen: c2
 
 Function name: lazy_boolean::chain
-Raw bytes (169): 0x[01, 01, 1d, 5b, 0d, 5f, 15, 05, 11, 05, 09, 09, 0d, 6f, 25, 73, 21, 19, 1d, 5b, 67, 5f, 15, 05, 11, 0d, 19, 5b, 67, 5f, 15, 05, 11, 0d, 19, 5b, 63, 5f, 15, 05, 11, 67, 1d, 0d, 19, 5b, 63, 5f, 15, 05, 11, 67, 1d, 0d, 19, 6f, 25, 73, 21, 19, 1d, 13, 01, 24, 01, 01, 10, 02, 04, 09, 00, 0a, 05, 00, 0d, 00, 12, 20, 09, 0e, 00, 0d, 00, 12, 09, 00, 16, 00, 1b, 20, 0d, 12, 00, 16, 00, 1b, 0d, 00, 1f, 00, 24, 20, 11, 15, 00, 1f, 00, 24, 11, 00, 28, 00, 2d, 02, 01, 05, 00, 11, 6b, 03, 09, 00, 0a, 02, 00, 0d, 00, 12, 20, 19, 32, 00, 0d, 00, 12, 32, 00, 16, 00, 1b, 20, 1d, 56, 00, 16, 00, 1b, 56, 00, 1f, 00, 24, 20, 21, 25, 00, 1f, 00, 24, 25, 00, 28, 00, 2d, 6b, 01, 05, 01, 02]
+Raw bytes (141): 0x[01, 01, 0f, 05, 09, 09, 0d, 0d, 11, 05, 15, 05, 15, 05, 3b, 15, 19, 05, 3b, 15, 19, 05, 37, 3b, 1d, 15, 19, 05, 37, 3b, 1d, 15, 19, 13, 01, 24, 01, 01, 10, 05, 04, 09, 00, 0a, 05, 00, 0d, 00, 12, 20, 09, 02, 00, 0d, 00, 12, 09, 00, 16, 00, 1b, 20, 0d, 06, 00, 16, 00, 1b, 0d, 00, 1f, 00, 24, 20, 11, 0a, 00, 1f, 00, 24, 11, 00, 28, 00, 2d, 05, 01, 05, 00, 11, 05, 03, 09, 00, 0a, 05, 00, 0d, 00, 12, 20, 15, 12, 00, 0d, 00, 12, 12, 00, 16, 00, 1b, 20, 19, 1e, 00, 16, 00, 1b, 1e, 00, 1f, 00, 24, 20, 1d, 32, 00, 1f, 00, 24, 32, 00, 28, 00, 2d, 05, 01, 05, 01, 02]
 Number of files: 1
 - file 0 => global file 1
-Number of expressions: 29
-- expression 0 operands: lhs = Expression(22, Add), rhs = Counter(3)
-- expression 1 operands: lhs = Expression(23, Add), rhs = Counter(5)
-- expression 2 operands: lhs = Counter(1), rhs = Counter(4)
-- expression 3 operands: lhs = Counter(1), rhs = Counter(2)
-- expression 4 operands: lhs = Counter(2), rhs = Counter(3)
-- expression 5 operands: lhs = Expression(27, Add), rhs = Counter(9)
-- expression 6 operands: lhs = Expression(28, Add), rhs = Counter(8)
-- expression 7 operands: lhs = Counter(6), rhs = Counter(7)
-- expression 8 operands: lhs = Expression(22, Add), rhs = Expression(25, Add)
-- expression 9 operands: lhs = Expression(23, Add), rhs = Counter(5)
-- expression 10 operands: lhs = Counter(1), rhs = Counter(4)
-- expression 11 operands: lhs = Counter(3), rhs = Counter(6)
-- expression 12 operands: lhs = Expression(22, Add), rhs = Expression(25, Add)
-- expression 13 operands: lhs = Expression(23, Add), rhs = Counter(5)
-- expression 14 operands: lhs = Counter(1), rhs = Counter(4)
-- expression 15 operands: lhs = Counter(3), rhs = Counter(6)
-- expression 16 operands: lhs = Expression(22, Add), rhs = Expression(24, Add)
-- expression 17 operands: lhs = Expression(23, Add), rhs = Counter(5)
-- expression 18 operands: lhs = Counter(1), rhs = Counter(4)
-- expression 19 operands: lhs = Expression(25, Add), rhs = Counter(7)
-- expression 20 operands: lhs = Counter(3), rhs = Counter(6)
-- expression 21 operands: lhs = Expression(22, Add), rhs = Expression(24, Add)
-- expression 22 operands: lhs = Expression(23, Add), rhs = Counter(5)
-- expression 23 operands: lhs = Counter(1), rhs = Counter(4)
-- expression 24 operands: lhs = Expression(25, Add), rhs = Counter(7)
-- expression 25 operands: lhs = Counter(3), rhs = Counter(6)
-- expression 26 operands: lhs = Expression(27, Add), rhs = Counter(9)
-- expression 27 operands: lhs = Expression(28, Add), rhs = Counter(8)
-- expression 28 operands: lhs = Counter(6), rhs = Counter(7)
+Number of expressions: 15
+- expression 0 operands: lhs = Counter(1), rhs = Counter(2)
+- expression 1 operands: lhs = Counter(2), rhs = Counter(3)
+- expression 2 operands: lhs = Counter(3), rhs = Counter(4)
+- expression 3 operands: lhs = Counter(1), rhs = Counter(5)
+- expression 4 operands: lhs = Counter(1), rhs = Counter(5)
+- expression 5 operands: lhs = Counter(1), rhs = Expression(14, Add)
+- expression 6 operands: lhs = Counter(5), rhs = Counter(6)
+- expression 7 operands: lhs = Counter(1), rhs = Expression(14, Add)
+- expression 8 operands: lhs = Counter(5), rhs = Counter(6)
+- expression 9 operands: lhs = Counter(1), rhs = Expression(13, Add)
+- expression 10 operands: lhs = Expression(14, Add), rhs = Counter(7)
+- expression 11 operands: lhs = Counter(5), rhs = Counter(6)
+- expression 12 operands: lhs = Counter(1), rhs = Expression(13, Add)
+- expression 13 operands: lhs = Expression(14, Add), rhs = Counter(7)
+- expression 14 operands: lhs = Counter(5), rhs = Counter(6)
 Number of file 0 mappings: 19
 - Code(Counter(0)) at (prev + 36, 1) to (start + 1, 16)
-- Code(Expression(0, Sub)) at (prev + 4, 9) to (start + 0, 10)
-    = (((c1 + c4) + c5) - c3)
+- Code(Counter(1)) at (prev + 4, 9) to (start + 0, 10)
 - Code(Counter(1)) at (prev + 0, 13) to (start + 0, 18)
-- Branch { true: Counter(2), false: Expression(3, Sub) } at (prev + 0, 13) to (start + 0, 18)
+- Branch { true: Counter(2), false: Expression(0, Sub) } at (prev + 0, 13) to (start + 0, 18)
     true  = c2
     false = (c1 - c2)
 - Code(Counter(2)) at (prev + 0, 22) to (start + 0, 27)
-- Branch { true: Counter(3), false: Expression(4, Sub) } at (prev + 0, 22) to (start + 0, 27)
+- Branch { true: Counter(3), false: Expression(1, Sub) } at (prev + 0, 22) to (start + 0, 27)
     true  = c3
     false = (c2 - c3)
 - Code(Counter(3)) at (prev + 0, 31) to (start + 0, 36)
-- Branch { true: Counter(4), false: Counter(5) } at (prev + 0, 31) to (start + 0, 36)
+- Branch { true: Counter(4), false: Expression(2, Sub) } at (prev + 0, 31) to (start + 0, 36)
     true  = c4
-    false = c5
+    false = (c3 - c4)
 - Code(Counter(4)) at (prev + 0, 40) to (start + 0, 45)
-- Code(Expression(0, Sub)) at (prev + 1, 5) to (start + 0, 17)
-    = (((c1 + c4) + c5) - c3)
-- Code(Expression(26, Add)) at (prev + 3, 9) to (start + 0, 10)
-    = (((c6 + c7) + c8) + c9)
-- Code(Expression(0, Sub)) at (prev + 0, 13) to (start + 0, 18)
-    = (((c1 + c4) + c5) - c3)
-- Branch { true: Counter(6), false: Expression(12, Sub) } at (prev + 0, 13) to (start + 0, 18)
+- Code(Counter(1)) at (prev + 1, 5) to (start + 0, 17)
+- Code(Counter(1)) at (prev + 3, 9) to (start + 0, 10)
+- Code(Counter(1)) at (prev + 0, 13) to (start + 0, 18)
+- Branch { true: Counter(5), false: Expression(4, Sub) } at (prev + 0, 13) to (start + 0, 18)
+    true  = c5
+    false = (c1 - c5)
+- Code(Expression(4, Sub)) at (prev + 0, 22) to (start + 0, 27)
+    = (c1 - c5)
+- Branch { true: Counter(6), false: Expression(7, Sub) } at (prev + 0, 22) to (start + 0, 27)
     true  = c6
-    false = (((c1 + c4) + c5) - (c3 + c6))
-- Code(Expression(12, Sub)) at (prev + 0, 22) to (start + 0, 27)
-    = (((c1 + c4) + c5) - (c3 + c6))
-- Branch { true: Counter(7), false: Expression(21, Sub) } at (prev + 0, 22) to (start + 0, 27)
+    false = (c1 - (c5 + c6))
+- Code(Expression(7, Sub)) at (prev + 0, 31) to (start + 0, 36)
+    = (c1 - (c5 + c6))
+- Branch { true: Counter(7), false: Expression(12, Sub) } at (prev + 0, 31) to (start + 0, 36)
     true  = c7
-    false = (((c1 + c4) + c5) - ((c3 + c6) + c7))
-- Code(Expression(21, Sub)) at (prev + 0, 31) to (start + 0, 36)
-    = (((c1 + c4) + c5) - ((c3 + c6) + c7))
-- Branch { true: Counter(8), false: Counter(9) } at (prev + 0, 31) to (start + 0, 36)
-    true  = c8
-    false = c9
-- Code(Counter(9)) at (prev + 0, 40) to (start + 0, 45)
-- Code(Expression(26, Add)) at (prev + 1, 5) to (start + 1, 2)
-    = (((c6 + c7) + c8) + c9)
-Highest counter ID seen: c9
+    false = (c1 - ((c5 + c6) + c7))
+- Code(Expression(12, Sub)) at (prev + 0, 40) to (start + 0, 45)
+    = (c1 - ((c5 + c6) + c7))
+- Code(Counter(1)) at (prev + 1, 5) to (start + 1, 2)
+Highest counter ID seen: c7
 
 Function name: lazy_boolean::nested_mixed
-Raw bytes (141): 0x[01, 01, 0f, 05, 09, 05, 1f, 09, 0d, 09, 0d, 1f, 11, 09, 0d, 1f, 11, 09, 0d, 3b, 21, 19, 1d, 05, 15, 15, 19, 05, 19, 3b, 21, 19, 1d, 13, 01, 31, 01, 01, 10, 05, 04, 09, 00, 0a, 05, 00, 0e, 00, 13, 20, 09, 02, 00, 0e, 00, 13, 02, 00, 17, 00, 1d, 20, 0d, 06, 00, 17, 00, 1d, 1f, 00, 23, 00, 28, 20, 11, 1a, 00, 23, 00, 28, 1a, 00, 2c, 00, 33, 05, 01, 05, 00, 11, 37, 03, 09, 00, 0a, 05, 00, 0e, 00, 13, 20, 15, 2a, 00, 0e, 00, 13, 15, 00, 17, 00, 1c, 20, 19, 2e, 00, 17, 00, 1c, 32, 00, 22, 00, 28, 20, 1d, 21, 00, 22, 00, 28, 1d, 00, 2c, 00, 33, 37, 01, 05, 01, 02]
+Raw bytes (137): 0x[01, 01, 0d, 05, 09, 05, 1f, 09, 0d, 09, 0d, 1f, 11, 09, 0d, 1f, 11, 09, 0d, 05, 15, 15, 19, 05, 19, 05, 33, 19, 1d, 13, 01, 31, 01, 01, 10, 05, 04, 09, 00, 0a, 05, 00, 0e, 00, 13, 20, 09, 02, 00, 0e, 00, 13, 02, 00, 17, 00, 1d, 20, 0d, 06, 00, 17, 00, 1d, 1f, 00, 23, 00, 28, 20, 11, 1a, 00, 23, 00, 28, 1a, 00, 2c, 00, 33, 05, 01, 05, 00, 11, 05, 03, 09, 00, 0a, 05, 00, 0e, 00, 13, 20, 15, 22, 00, 0e, 00, 13, 15, 00, 17, 00, 1c, 20, 19, 26, 00, 17, 00, 1c, 2a, 00, 22, 00, 28, 20, 1d, 2e, 00, 22, 00, 28, 1d, 00, 2c, 00, 33, 05, 01, 05, 01, 02]
 Number of files: 1
 - file 0 => global file 1
-Number of expressions: 15
+Number of expressions: 13
 - expression 0 operands: lhs = Counter(1), rhs = Counter(2)
 - expression 1 operands: lhs = Counter(1), rhs = Expression(7, Add)
 - expression 2 operands: lhs = Counter(2), rhs = Counter(3)
@@ -121,13 +103,11 @@ Number of expressions: 15
 - expression 5 operands: lhs = Counter(2), rhs = Counter(3)
 - expression 6 operands: lhs = Expression(7, Add), rhs = Counter(4)
 - expression 7 operands: lhs = Counter(2), rhs = Counter(3)
-- expression 8 operands: lhs = Expression(14, Add), rhs = Counter(8)
-- expression 9 operands: lhs = Counter(6), rhs = Counter(7)
-- expression 10 operands: lhs = Counter(1), rhs = Counter(5)
-- expression 11 operands: lhs = Counter(5), rhs = Counter(6)
-- expression 12 operands: lhs = Counter(1), rhs = Counter(6)
-- expression 13 operands: lhs = Expression(14, Add), rhs = Counter(8)
-- expression 14 operands: lhs = Counter(6), rhs = Counter(7)
+- expression 8 operands: lhs = Counter(1), rhs = Counter(5)
+- expression 9 operands: lhs = Counter(5), rhs = Counter(6)
+- expression 10 operands: lhs = Counter(1), rhs = Counter(6)
+- expression 11 operands: lhs = Counter(1), rhs = Expression(12, Add)
+- expression 12 operands: lhs = Counter(6), rhs = Counter(7)
 Number of file 0 mappings: 19
 - Code(Counter(0)) at (prev + 49, 1) to (start + 1, 16)
 - Code(Counter(1)) at (prev + 4, 9) to (start + 0, 10)
@@ -148,23 +128,21 @@ Number of file 0 mappings: 19
 - Code(Expression(6, Sub)) at (prev + 0, 44) to (start + 0, 51)
     = ((c2 + c3) - c4)
 - Code(Counter(1)) at (prev + 1, 5) to (start + 0, 17)
-- Code(Expression(13, Add)) at (prev + 3, 9) to (start + 0, 10)
-    = ((c6 + c7) + c8)
+- Code(Counter(1)) at (prev + 3, 9) to (start + 0, 10)
 - Code(Counter(1)) at (prev + 0, 14) to (start + 0, 19)
-- Branch { true: Counter(5), false: Expression(10, Sub) } at (prev + 0, 14) to (start + 0, 19)
+- Branch { true: Counter(5), false: Expression(8, Sub) } at (prev + 0, 14) to (start + 0, 19)
     true  = c5
     false = (c1 - c5)
 - Code(Counter(5)) at (prev + 0, 23) to (start + 0, 28)
-- Branch { true: Counter(6), false: Expression(11, Sub) } at (prev + 0, 23) to (start + 0, 28)
+- Branch { true: Counter(6), false: Expression(9, Sub) } at (prev + 0, 23) to (start + 0, 28)
     true  = c6
     false = (c5 - c6)
-- Code(Expression(12, Sub)) at (prev + 0, 34) to (start + 0, 40)
+- Code(Expression(10, Sub)) at (prev + 0, 34) to (start + 0, 40)
     = (c1 - c6)
-- Branch { true: Counter(7), false: Counter(8) } at (prev + 0, 34) to (start + 0, 40)
+- Branch { true: Counter(7), false: Expression(11, Sub) } at (prev + 0, 34) to (start + 0, 40)
     true  = c7
-    false = c8
+    false = (c1 - (c6 + c7))
 - Code(Counter(7)) at (prev + 0, 44) to (start + 0, 51)
-- Code(Expression(13, Add)) at (prev + 1, 5) to (start + 1, 2)
-    = ((c6 + c7) + c8)
-Highest counter ID seen: c8
+- Code(Counter(1)) at (prev + 1, 5) to (start + 1, 2)
+Highest counter ID seen: c7
 
diff --git a/tests/coverage/branch/match-arms.cov-map b/tests/coverage/branch/match-arms.cov-map
index a93df9814ee..53d0a4edbd0 100644
--- a/tests/coverage/branch/match-arms.cov-map
+++ b/tests/coverage/branch/match-arms.cov-map
@@ -1,40 +1,45 @@
 Function name: match_arms::guards
-Raw bytes (88): 0x[01, 01, 08, 07, 00, 0b, 11, 0f, 0d, 05, 09, 17, 25, 1b, 21, 1f, 1d, 03, 19, 0c, 01, 30, 01, 01, 10, 29, 03, 0b, 00, 10, 19, 01, 11, 00, 29, 20, 19, 05, 00, 17, 00, 1b, 1d, 01, 11, 00, 29, 20, 1d, 09, 00, 17, 00, 1b, 21, 01, 11, 00, 29, 20, 21, 0d, 00, 17, 00, 1b, 25, 01, 11, 00, 29, 20, 25, 11, 00, 17, 00, 1b, 03, 01, 0e, 00, 18, 13, 03, 05, 01, 02]
+Raw bytes (98): 0x[01, 01, 0d, 11, 19, 27, 19, 2b, 00, 2f, 11, 33, 0d, 05, 09, 1f, 25, 23, 21, 27, 1d, 2b, 00, 2f, 11, 33, 0d, 05, 09, 0c, 01, 30, 01, 01, 10, 11, 03, 0b, 00, 10, 1d, 01, 11, 00, 29, 20, 1d, 05, 00, 17, 00, 1b, 21, 01, 11, 00, 29, 20, 21, 09, 00, 17, 00, 1b, 25, 01, 11, 00, 29, 20, 25, 0d, 00, 17, 00, 1b, 19, 01, 11, 00, 29, 20, 19, 02, 00, 17, 00, 1b, 06, 01, 0e, 00, 18, 1b, 03, 05, 01, 02]
 Number of files: 1
 - file 0 => global file 1
-Number of expressions: 8
-- expression 0 operands: lhs = Expression(1, Add), rhs = Zero
-- expression 1 operands: lhs = Expression(2, Add), rhs = Counter(4)
-- expression 2 operands: lhs = Expression(3, Add), rhs = Counter(3)
-- expression 3 operands: lhs = Counter(1), rhs = Counter(2)
-- expression 4 operands: lhs = Expression(5, Add), rhs = Counter(9)
-- expression 5 operands: lhs = Expression(6, Add), rhs = Counter(8)
-- expression 6 operands: lhs = Expression(7, Add), rhs = Counter(7)
-- expression 7 operands: lhs = Expression(0, Add), rhs = Counter(6)
+Number of expressions: 13
+- expression 0 operands: lhs = Counter(4), rhs = Counter(6)
+- expression 1 operands: lhs = Expression(9, Add), rhs = Counter(6)
+- expression 2 operands: lhs = Expression(10, Add), rhs = Zero
+- expression 3 operands: lhs = Expression(11, Add), rhs = Counter(4)
+- expression 4 operands: lhs = Expression(12, Add), rhs = Counter(3)
+- expression 5 operands: lhs = Counter(1), rhs = Counter(2)
+- expression 6 operands: lhs = Expression(7, Add), rhs = Counter(9)
+- expression 7 operands: lhs = Expression(8, Add), rhs = Counter(8)
+- expression 8 operands: lhs = Expression(9, Add), rhs = Counter(7)
+- expression 9 operands: lhs = Expression(10, Add), rhs = Zero
+- expression 10 operands: lhs = Expression(11, Add), rhs = Counter(4)
+- expression 11 operands: lhs = Expression(12, Add), rhs = Counter(3)
+- expression 12 operands: lhs = Counter(1), rhs = Counter(2)
 Number of file 0 mappings: 12
 - Code(Counter(0)) at (prev + 48, 1) to (start + 1, 16)
-- Code(Counter(10)) at (prev + 3, 11) to (start + 0, 16)
-- Code(Counter(6)) at (prev + 1, 17) to (start + 0, 41)
-- Branch { true: Counter(6), false: Counter(1) } at (prev + 0, 23) to (start + 0, 27)
-    true  = c6
-    false = c1
+- Code(Counter(4)) at (prev + 3, 11) to (start + 0, 16)
 - Code(Counter(7)) at (prev + 1, 17) to (start + 0, 41)
-- Branch { true: Counter(7), false: Counter(2) } at (prev + 0, 23) to (start + 0, 27)
+- Branch { true: Counter(7), false: Counter(1) } at (prev + 0, 23) to (start + 0, 27)
     true  = c7
-    false = c2
+    false = c1
 - Code(Counter(8)) at (prev + 1, 17) to (start + 0, 41)
-- Branch { true: Counter(8), false: Counter(3) } at (prev + 0, 23) to (start + 0, 27)
+- Branch { true: Counter(8), false: Counter(2) } at (prev + 0, 23) to (start + 0, 27)
     true  = c8
-    false = c3
+    false = c2
 - Code(Counter(9)) at (prev + 1, 17) to (start + 0, 41)
-- Branch { true: Counter(9), false: Counter(4) } at (prev + 0, 23) to (start + 0, 27)
+- Branch { true: Counter(9), false: Counter(3) } at (prev + 0, 23) to (start + 0, 27)
     true  = c9
-    false = c4
-- Code(Expression(0, Add)) at (prev + 1, 14) to (start + 0, 24)
-    = ((((c1 + c2) + c3) + c4) + Zero)
-- Code(Expression(4, Add)) at (prev + 3, 5) to (start + 1, 2)
-    = ((((((((c1 + c2) + c3) + c4) + Zero) + c6) + c7) + c8) + c9)
-Highest counter ID seen: c10
+    false = c3
+- Code(Counter(6)) at (prev + 1, 17) to (start + 0, 41)
+- Branch { true: Counter(6), false: Expression(0, Sub) } at (prev + 0, 23) to (start + 0, 27)
+    true  = c6
+    false = (c4 - c6)
+- Code(Expression(1, Sub)) at (prev + 1, 14) to (start + 0, 24)
+    = (((((c1 + c2) + c3) + c4) + Zero) - c6)
+- Code(Expression(6, Add)) at (prev + 3, 5) to (start + 1, 2)
+    = (((((((c1 + c2) + c3) + c4) + Zero) + c7) + c8) + c9)
+Highest counter ID seen: c9
 
 Function name: match_arms::match_arms
 Raw bytes (45): 0x[01, 01, 03, 05, 07, 0b, 11, 09, 0d, 07, 01, 18, 01, 01, 10, 05, 03, 0b, 00, 10, 09, 01, 11, 00, 21, 0d, 01, 11, 00, 21, 11, 01, 11, 00, 21, 02, 01, 11, 00, 21, 05, 03, 05, 01, 02]
diff --git a/tests/coverage/branch/while.cov-map b/tests/coverage/branch/while.cov-map
index 305f6bc74d8..5eb08a42803 100644
--- a/tests/coverage/branch/while.cov-map
+++ b/tests/coverage/branch/while.cov-map
@@ -35,14 +35,14 @@ Number of file 0 mappings: 6
 Highest counter ID seen: c2
 
 Function name: while::while_op_and
-Raw bytes (56): 0x[01, 01, 04, 05, 09, 03, 0d, 03, 0d, 0d, 11, 08, 01, 1e, 01, 01, 10, 05, 03, 09, 01, 12, 03, 02, 0b, 00, 10, 20, 0a, 0d, 00, 0b, 00, 10, 0a, 00, 14, 00, 19, 20, 09, 11, 00, 14, 00, 19, 09, 00, 1a, 03, 06, 0f, 04, 01, 00, 02]
+Raw bytes (56): 0x[01, 01, 04, 05, 09, 03, 0d, 03, 0d, 05, 0d, 08, 01, 1e, 01, 01, 10, 05, 03, 09, 01, 12, 03, 02, 0b, 00, 10, 20, 0a, 0d, 00, 0b, 00, 10, 0a, 00, 14, 00, 19, 20, 09, 0e, 00, 14, 00, 19, 09, 00, 1a, 03, 06, 05, 04, 01, 00, 02]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 4
 - expression 0 operands: lhs = Counter(1), rhs = Counter(2)
 - expression 1 operands: lhs = Expression(0, Add), rhs = Counter(3)
 - expression 2 operands: lhs = Expression(0, Add), rhs = Counter(3)
-- expression 3 operands: lhs = Counter(3), rhs = Counter(4)
+- expression 3 operands: lhs = Counter(1), rhs = Counter(3)
 Number of file 0 mappings: 8
 - Code(Counter(0)) at (prev + 30, 1) to (start + 1, 16)
 - Code(Counter(1)) at (prev + 3, 9) to (start + 1, 18)
@@ -53,13 +53,12 @@ Number of file 0 mappings: 8
     false = c3
 - Code(Expression(2, Sub)) at (prev + 0, 20) to (start + 0, 25)
     = ((c1 + c2) - c3)
-- Branch { true: Counter(2), false: Counter(4) } at (prev + 0, 20) to (start + 0, 25)
+- Branch { true: Counter(2), false: Expression(3, Sub) } at (prev + 0, 20) to (start + 0, 25)
     true  = c2
-    false = c4
+    false = (c1 - c3)
 - Code(Counter(2)) at (prev + 0, 26) to (start + 3, 6)
-- Code(Expression(3, Add)) at (prev + 4, 1) to (start + 0, 2)
-    = (c3 + c4)
-Highest counter ID seen: c4
+- Code(Counter(1)) at (prev + 4, 1) to (start + 0, 2)
+Highest counter ID seen: c3
 
 Function name: while::while_op_or
 Raw bytes (58): 0x[01, 01, 05, 07, 0d, 05, 09, 05, 0d, 05, 0d, 09, 0d, 08, 01, 29, 01, 01, 10, 05, 03, 09, 01, 12, 03, 02, 0b, 00, 10, 20, 09, 0f, 00, 0b, 00, 10, 0f, 00, 14, 00, 19, 20, 0d, 05, 00, 14, 00, 19, 13, 00, 1a, 03, 06, 05, 04, 01, 00, 02]
diff --git a/tests/coverage/closure_macro.cov-map b/tests/coverage/closure_macro.cov-map
index aedb924eca8..653848dd6ff 100644
--- a/tests/coverage/closure_macro.cov-map
+++ b/tests/coverage/closure_macro.cov-map
@@ -25,20 +25,20 @@ Number of file 0 mappings: 6
 Highest counter ID seen: c1
 
 Function name: closure_macro::main::{closure#0}
-Raw bytes (35): 0x[01, 01, 03, 01, 05, 0b, 0d, 05, 09, 05, 01, 10, 1c, 03, 21, 05, 04, 11, 01, 27, 02, 03, 11, 00, 16, 0d, 00, 17, 00, 1e, 07, 02, 09, 00, 0a]
+Raw bytes (35): 0x[01, 01, 03, 01, 05, 01, 0b, 05, 09, 05, 01, 10, 1c, 03, 21, 05, 04, 11, 01, 27, 02, 03, 11, 00, 16, 06, 00, 17, 00, 1e, 01, 02, 09, 00, 0a]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 3
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
-- expression 1 operands: lhs = Expression(2, Add), rhs = Counter(3)
+- expression 1 operands: lhs = Counter(0), rhs = Expression(2, Add)
 - expression 2 operands: lhs = Counter(1), rhs = Counter(2)
 Number of file 0 mappings: 5
 - Code(Counter(0)) at (prev + 16, 28) to (start + 3, 33)
 - Code(Counter(1)) at (prev + 4, 17) to (start + 1, 39)
 - Code(Expression(0, Sub)) at (prev + 3, 17) to (start + 0, 22)
     = (c0 - c1)
-- Code(Counter(3)) at (prev + 0, 23) to (start + 0, 30)
-- Code(Expression(1, Add)) at (prev + 2, 9) to (start + 0, 10)
-    = ((c1 + c2) + c3)
-Highest counter ID seen: c3
+- Code(Expression(1, Sub)) at (prev + 0, 23) to (start + 0, 30)
+    = (c0 - (c1 + c2))
+- Code(Counter(0)) at (prev + 2, 9) to (start + 0, 10)
+Highest counter ID seen: c1
 
diff --git a/tests/coverage/closure_macro_async.cov-map b/tests/coverage/closure_macro_async.cov-map
index df4652ac9ce..1bd1460a147 100644
--- a/tests/coverage/closure_macro_async.cov-map
+++ b/tests/coverage/closure_macro_async.cov-map
@@ -34,20 +34,20 @@ Number of file 0 mappings: 6
 Highest counter ID seen: c1
 
 Function name: closure_macro_async::test::{closure#0}::{closure#0}
-Raw bytes (35): 0x[01, 01, 03, 01, 05, 0b, 0d, 05, 09, 05, 01, 14, 1c, 03, 21, 05, 04, 11, 01, 27, 02, 03, 11, 00, 16, 0d, 00, 17, 00, 1e, 07, 02, 09, 00, 0a]
+Raw bytes (35): 0x[01, 01, 03, 01, 05, 01, 0b, 05, 09, 05, 01, 14, 1c, 03, 21, 05, 04, 11, 01, 27, 02, 03, 11, 00, 16, 06, 00, 17, 00, 1e, 01, 02, 09, 00, 0a]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 3
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
-- expression 1 operands: lhs = Expression(2, Add), rhs = Counter(3)
+- expression 1 operands: lhs = Counter(0), rhs = Expression(2, Add)
 - expression 2 operands: lhs = Counter(1), rhs = Counter(2)
 Number of file 0 mappings: 5
 - Code(Counter(0)) at (prev + 20, 28) to (start + 3, 33)
 - Code(Counter(1)) at (prev + 4, 17) to (start + 1, 39)
 - Code(Expression(0, Sub)) at (prev + 3, 17) to (start + 0, 22)
     = (c0 - c1)
-- Code(Counter(3)) at (prev + 0, 23) to (start + 0, 30)
-- Code(Expression(1, Add)) at (prev + 2, 9) to (start + 0, 10)
-    = ((c1 + c2) + c3)
-Highest counter ID seen: c3
+- Code(Expression(1, Sub)) at (prev + 0, 23) to (start + 0, 30)
+    = (c0 - (c1 + c2))
+- Code(Counter(0)) at (prev + 2, 9) to (start + 0, 10)
+Highest counter ID seen: c1
 
diff --git a/tests/coverage/condition/conditions.cov-map b/tests/coverage/condition/conditions.cov-map
index 72f39b88c6a..417637f2d2e 100644
--- a/tests/coverage/condition/conditions.cov-map
+++ b/tests/coverage/condition/conditions.cov-map
@@ -1,120 +1,103 @@
 Function name: conditions::assign_3_and_or
-Raw bytes (65): 0x[01, 01, 05, 07, 11, 09, 0d, 01, 05, 05, 09, 01, 09, 09, 01, 1c, 01, 00, 2f, 03, 01, 09, 00, 0a, 01, 00, 0d, 00, 0e, 20, 05, 0a, 00, 0d, 00, 0e, 05, 00, 12, 00, 13, 20, 09, 0e, 00, 12, 00, 13, 12, 00, 17, 00, 18, 20, 0d, 11, 00, 17, 00, 18, 03, 01, 05, 01, 02]
+Raw bytes (65): 0x[01, 01, 05, 01, 05, 05, 09, 01, 09, 01, 13, 09, 0d, 09, 01, 1c, 01, 00, 2f, 01, 01, 09, 00, 0a, 01, 00, 0d, 00, 0e, 20, 05, 02, 00, 0d, 00, 0e, 05, 00, 12, 00, 13, 20, 09, 06, 00, 12, 00, 13, 0a, 00, 17, 00, 18, 20, 0d, 0e, 00, 17, 00, 18, 01, 01, 05, 01, 02]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 5
-- expression 0 operands: lhs = Expression(1, Add), rhs = Counter(4)
-- expression 1 operands: lhs = Counter(2), rhs = Counter(3)
-- expression 2 operands: lhs = Counter(0), rhs = Counter(1)
-- expression 3 operands: lhs = Counter(1), rhs = Counter(2)
-- expression 4 operands: lhs = Counter(0), rhs = Counter(2)
+- expression 0 operands: lhs = Counter(0), rhs = Counter(1)
+- expression 1 operands: lhs = Counter(1), rhs = Counter(2)
+- expression 2 operands: lhs = Counter(0), rhs = Counter(2)
+- expression 3 operands: lhs = Counter(0), rhs = Expression(4, Add)
+- expression 4 operands: lhs = Counter(2), rhs = Counter(3)
 Number of file 0 mappings: 9
 - Code(Counter(0)) at (prev + 28, 1) to (start + 0, 47)
-- Code(Expression(0, Add)) at (prev + 1, 9) to (start + 0, 10)
-    = ((c2 + c3) + c4)
+- Code(Counter(0)) at (prev + 1, 9) to (start + 0, 10)
 - Code(Counter(0)) at (prev + 0, 13) to (start + 0, 14)
-- Branch { true: Counter(1), false: Expression(2, Sub) } at (prev + 0, 13) to (start + 0, 14)
+- Branch { true: Counter(1), false: Expression(0, Sub) } at (prev + 0, 13) to (start + 0, 14)
     true  = c1
     false = (c0 - c1)
 - Code(Counter(1)) at (prev + 0, 18) to (start + 0, 19)
-- Branch { true: Counter(2), false: Expression(3, Sub) } at (prev + 0, 18) to (start + 0, 19)
+- Branch { true: Counter(2), false: Expression(1, Sub) } at (prev + 0, 18) to (start + 0, 19)
     true  = c2
     false = (c1 - c2)
-- Code(Expression(4, Sub)) at (prev + 0, 23) to (start + 0, 24)
+- Code(Expression(2, Sub)) at (prev + 0, 23) to (start + 0, 24)
     = (c0 - c2)
-- Branch { true: Counter(3), false: Counter(4) } at (prev + 0, 23) to (start + 0, 24)
+- Branch { true: Counter(3), false: Expression(3, Sub) } at (prev + 0, 23) to (start + 0, 24)
     true  = c3
-    false = c4
-- Code(Expression(0, Add)) at (prev + 1, 5) to (start + 1, 2)
-    = ((c2 + c3) + c4)
-Highest counter ID seen: c4
+    false = (c0 - (c2 + c3))
+- Code(Counter(0)) at (prev + 1, 5) to (start + 1, 2)
+Highest counter ID seen: c3
 
 Function name: conditions::assign_3_or_and
-Raw bytes (73): 0x[01, 01, 09, 07, 11, 0b, 0d, 05, 09, 01, 05, 01, 05, 01, 23, 05, 11, 01, 23, 05, 11, 09, 01, 17, 01, 00, 2f, 03, 01, 09, 00, 0a, 01, 00, 0d, 00, 0e, 20, 05, 12, 00, 0d, 00, 0e, 12, 00, 12, 00, 13, 20, 1e, 11, 00, 12, 00, 13, 1e, 00, 17, 00, 18, 20, 09, 0d, 00, 17, 00, 18, 03, 01, 05, 01, 02]
+Raw bytes (63): 0x[01, 01, 04, 01, 05, 01, 0b, 05, 09, 09, 0d, 09, 01, 17, 01, 00, 2f, 01, 01, 09, 00, 0a, 01, 00, 0d, 00, 0e, 20, 05, 02, 00, 0d, 00, 0e, 02, 00, 12, 00, 13, 20, 09, 06, 00, 12, 00, 13, 09, 00, 17, 00, 18, 20, 0d, 0e, 00, 17, 00, 18, 01, 01, 05, 01, 02]
 Number of files: 1
 - file 0 => global file 1
-Number of expressions: 9
-- expression 0 operands: lhs = Expression(1, Add), rhs = Counter(4)
-- expression 1 operands: lhs = Expression(2, Add), rhs = Counter(3)
+Number of expressions: 4
+- expression 0 operands: lhs = Counter(0), rhs = Counter(1)
+- expression 1 operands: lhs = Counter(0), rhs = Expression(2, Add)
 - expression 2 operands: lhs = Counter(1), rhs = Counter(2)
-- expression 3 operands: lhs = Counter(0), rhs = Counter(1)
-- expression 4 operands: lhs = Counter(0), rhs = Counter(1)
-- expression 5 operands: lhs = Counter(0), rhs = Expression(8, Add)
-- expression 6 operands: lhs = Counter(1), rhs = Counter(4)
-- expression 7 operands: lhs = Counter(0), rhs = Expression(8, Add)
-- expression 8 operands: lhs = Counter(1), rhs = Counter(4)
+- expression 3 operands: lhs = Counter(2), rhs = Counter(3)
 Number of file 0 mappings: 9
 - Code(Counter(0)) at (prev + 23, 1) to (start + 0, 47)
-- Code(Expression(0, Add)) at (prev + 1, 9) to (start + 0, 10)
-    = (((c1 + c2) + c3) + c4)
+- Code(Counter(0)) at (prev + 1, 9) to (start + 0, 10)
 - Code(Counter(0)) at (prev + 0, 13) to (start + 0, 14)
-- Branch { true: Counter(1), false: Expression(4, Sub) } at (prev + 0, 13) to (start + 0, 14)
+- Branch { true: Counter(1), false: Expression(0, Sub) } at (prev + 0, 13) to (start + 0, 14)
     true  = c1
     false = (c0 - c1)
-- Code(Expression(4, Sub)) at (prev + 0, 18) to (start + 0, 19)
+- Code(Expression(0, Sub)) at (prev + 0, 18) to (start + 0, 19)
     = (c0 - c1)
-- Branch { true: Expression(7, Sub), false: Counter(4) } at (prev + 0, 18) to (start + 0, 19)
-    true  = (c0 - (c1 + c4))
-    false = c4
-- Code(Expression(7, Sub)) at (prev + 0, 23) to (start + 0, 24)
-    = (c0 - (c1 + c4))
-- Branch { true: Counter(2), false: Counter(3) } at (prev + 0, 23) to (start + 0, 24)
+- Branch { true: Counter(2), false: Expression(1, Sub) } at (prev + 0, 18) to (start + 0, 19)
     true  = c2
-    false = c3
-- Code(Expression(0, Add)) at (prev + 1, 5) to (start + 1, 2)
-    = (((c1 + c2) + c3) + c4)
-Highest counter ID seen: c4
+    false = (c0 - (c1 + c2))
+- Code(Counter(2)) at (prev + 0, 23) to (start + 0, 24)
+- Branch { true: Counter(3), false: Expression(3, Sub) } at (prev + 0, 23) to (start + 0, 24)
+    true  = c3
+    false = (c2 - c3)
+- Code(Counter(0)) at (prev + 1, 5) to (start + 1, 2)
+Highest counter ID seen: c3
 
 Function name: conditions::assign_and
-Raw bytes (51): 0x[01, 01, 04, 07, 05, 0b, 0d, 01, 09, 01, 05, 07, 01, 0d, 01, 00, 21, 02, 01, 09, 00, 0a, 01, 00, 0d, 00, 0e, 20, 05, 0e, 00, 0d, 00, 0e, 05, 00, 12, 00, 13, 20, 09, 0d, 00, 12, 00, 13, 02, 01, 05, 01, 02]
+Raw bytes (47): 0x[01, 01, 02, 01, 05, 05, 09, 07, 01, 0d, 01, 00, 21, 01, 01, 09, 00, 0a, 01, 00, 0d, 00, 0e, 20, 05, 02, 00, 0d, 00, 0e, 05, 00, 12, 00, 13, 20, 09, 06, 00, 12, 00, 13, 01, 01, 05, 01, 02]
 Number of files: 1
 - file 0 => global file 1
-Number of expressions: 4
-- expression 0 operands: lhs = Expression(1, Add), rhs = Counter(1)
-- expression 1 operands: lhs = Expression(2, Add), rhs = Counter(3)
-- expression 2 operands: lhs = Counter(0), rhs = Counter(2)
-- expression 3 operands: lhs = Counter(0), rhs = Counter(1)
+Number of expressions: 2
+- expression 0 operands: lhs = Counter(0), rhs = Counter(1)
+- expression 1 operands: lhs = Counter(1), rhs = Counter(2)
 Number of file 0 mappings: 7
 - Code(Counter(0)) at (prev + 13, 1) to (start + 0, 33)
-- Code(Expression(0, Sub)) at (prev + 1, 9) to (start + 0, 10)
-    = (((c0 + c2) + c3) - c1)
+- Code(Counter(0)) at (prev + 1, 9) to (start + 0, 10)
 - Code(Counter(0)) at (prev + 0, 13) to (start + 0, 14)
-- Branch { true: Counter(1), false: Expression(3, Sub) } at (prev + 0, 13) to (start + 0, 14)
+- Branch { true: Counter(1), false: Expression(0, Sub) } at (prev + 0, 13) to (start + 0, 14)
     true  = c1
     false = (c0 - c1)
 - Code(Counter(1)) at (prev + 0, 18) to (start + 0, 19)
-- Branch { true: Counter(2), false: Counter(3) } at (prev + 0, 18) to (start + 0, 19)
+- Branch { true: Counter(2), false: Expression(1, Sub) } at (prev + 0, 18) to (start + 0, 19)
     true  = c2
-    false = c3
-- Code(Expression(0, Sub)) at (prev + 1, 5) to (start + 1, 2)
-    = (((c0 + c2) + c3) - c1)
-Highest counter ID seen: c3
+    false = (c1 - c2)
+- Code(Counter(0)) at (prev + 1, 5) to (start + 1, 2)
+Highest counter ID seen: c2
 
 Function name: conditions::assign_or
-Raw bytes (51): 0x[01, 01, 04, 07, 0d, 05, 09, 01, 05, 01, 05, 07, 01, 12, 01, 00, 20, 03, 01, 09, 00, 0a, 01, 00, 0d, 00, 0e, 20, 05, 0e, 00, 0d, 00, 0e, 0e, 00, 12, 00, 13, 20, 09, 0d, 00, 12, 00, 13, 03, 01, 05, 01, 02]
+Raw bytes (49): 0x[01, 01, 03, 01, 05, 01, 0b, 05, 09, 07, 01, 12, 01, 00, 20, 01, 01, 09, 00, 0a, 01, 00, 0d, 00, 0e, 20, 05, 02, 00, 0d, 00, 0e, 02, 00, 12, 00, 13, 20, 09, 06, 00, 12, 00, 13, 01, 01, 05, 01, 02]
 Number of files: 1
 - file 0 => global file 1
-Number of expressions: 4
-- expression 0 operands: lhs = Expression(1, Add), rhs = Counter(3)
-- expression 1 operands: lhs = Counter(1), rhs = Counter(2)
-- expression 2 operands: lhs = Counter(0), rhs = Counter(1)
-- expression 3 operands: lhs = Counter(0), rhs = Counter(1)
+Number of expressions: 3
+- expression 0 operands: lhs = Counter(0), rhs = Counter(1)
+- expression 1 operands: lhs = Counter(0), rhs = Expression(2, Add)
+- expression 2 operands: lhs = Counter(1), rhs = Counter(2)
 Number of file 0 mappings: 7
 - Code(Counter(0)) at (prev + 18, 1) to (start + 0, 32)
-- Code(Expression(0, Add)) at (prev + 1, 9) to (start + 0, 10)
-    = ((c1 + c2) + c3)
+- Code(Counter(0)) at (prev + 1, 9) to (start + 0, 10)
 - Code(Counter(0)) at (prev + 0, 13) to (start + 0, 14)
-- Branch { true: Counter(1), false: Expression(3, Sub) } at (prev + 0, 13) to (start + 0, 14)
+- Branch { true: Counter(1), false: Expression(0, Sub) } at (prev + 0, 13) to (start + 0, 14)
     true  = c1
     false = (c0 - c1)
-- Code(Expression(3, Sub)) at (prev + 0, 18) to (start + 0, 19)
+- Code(Expression(0, Sub)) at (prev + 0, 18) to (start + 0, 19)
     = (c0 - c1)
-- Branch { true: Counter(2), false: Counter(3) } at (prev + 0, 18) to (start + 0, 19)
+- Branch { true: Counter(2), false: Expression(1, Sub) } at (prev + 0, 18) to (start + 0, 19)
     true  = c2
-    false = c3
-- Code(Expression(0, Add)) at (prev + 1, 5) to (start + 1, 2)
-    = ((c1 + c2) + c3)
-Highest counter ID seen: c3
+    false = (c0 - (c1 + c2))
+- Code(Counter(0)) at (prev + 1, 5) to (start + 1, 2)
+Highest counter ID seen: c2
 
 Function name: conditions::foo
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 21, 01, 02, 02]
@@ -126,26 +109,23 @@ Number of file 0 mappings: 1
 Highest counter ID seen: c0
 
 Function name: conditions::func_call
-Raw bytes (41): 0x[01, 01, 04, 01, 05, 0b, 05, 0f, 0d, 01, 09, 05, 01, 25, 01, 01, 0a, 20, 05, 02, 01, 09, 00, 0a, 05, 00, 0e, 00, 0f, 20, 09, 0d, 00, 0e, 00, 0f, 06, 01, 01, 00, 02]
+Raw bytes (37): 0x[01, 01, 02, 01, 05, 05, 09, 05, 01, 25, 01, 01, 0a, 20, 05, 02, 01, 09, 00, 0a, 05, 00, 0e, 00, 0f, 20, 09, 06, 00, 0e, 00, 0f, 01, 01, 01, 00, 02]
 Number of files: 1
 - file 0 => global file 1
-Number of expressions: 4
+Number of expressions: 2
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
-- expression 1 operands: lhs = Expression(2, Add), rhs = Counter(1)
-- expression 2 operands: lhs = Expression(3, Add), rhs = Counter(3)
-- expression 3 operands: lhs = Counter(0), rhs = Counter(2)
+- expression 1 operands: lhs = Counter(1), rhs = Counter(2)
 Number of file 0 mappings: 5
 - Code(Counter(0)) at (prev + 37, 1) to (start + 1, 10)
 - Branch { true: Counter(1), false: Expression(0, Sub) } at (prev + 1, 9) to (start + 0, 10)
     true  = c1
     false = (c0 - c1)
 - Code(Counter(1)) at (prev + 0, 14) to (start + 0, 15)
-- Branch { true: Counter(2), false: Counter(3) } at (prev + 0, 14) to (start + 0, 15)
+- Branch { true: Counter(2), false: Expression(1, Sub) } at (prev + 0, 14) to (start + 0, 15)
     true  = c2
-    false = c3
-- Code(Expression(1, Sub)) at (prev + 1, 1) to (start + 0, 2)
-    = (((c0 + c2) + c3) - c1)
-Highest counter ID seen: c3
+    false = (c1 - c2)
+- Code(Counter(0)) at (prev + 1, 1) to (start + 0, 2)
+Highest counter ID seen: c2
 
 Function name: conditions::simple_assign
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 08, 01, 03, 02]
diff --git a/tests/coverage/conditions.cov-map b/tests/coverage/conditions.cov-map
index 21b2ec9a19e..549b8bb0a20 100644
--- a/tests/coverage/conditions.cov-map
+++ b/tests/coverage/conditions.cov-map
@@ -1,294 +1,192 @@
 Function name: conditions::main
-Raw bytes (873): 0x[01, 01, b2, 01, 07, 19, 0b, 15, 0f, 11, 09, 0d, 01, 09, 8d, 01, 0d, 8d, 01, 33, 0d, 11, 33, 15, 0d, 11, 2f, 19, 33, 15, 0d, 11, 01, c7, 05, 09, 8d, 01, 03, 21, 03, 47, 21, 89, 01, 03, 4f, db, 03, 89, 01, 21, 25, 03, 5b, d7, 03, 89, 01, db, 03, 29, 21, 25, 77, 2d, 25, 29, 73, 31, 77, 2d, 25, 29, d3, 03, 31, d7, 03, 2d, db, 03, 29, 21, 25, 35, 3d, 35, 93, 01, 3d, 85, 01, 35, 9b, 01, af, 01, 85, 01, 3d, 41, 35, a7, 01, ab, 01, 85, 01, af, 01, 45, 3d, 41, c3, 01, 49, 41, 45, bf, 01, 4d, c3, 01, 49, 41, 45, bb, 03, 35, bf, 03, 4d, c3, 03, 49, c7, 03, 45, cb, 03, 41, cf, 03, 3d, d3, 03, 31, d7, 03, 2d, db, 03, 29, 21, 25, f3, 04, 65, f7, 04, 61, fb, 04, 5d, 55, 59, bb, 03, 35, bf, 03, 4d, c3, 03, 49, c7, 03, 45, cb, 03, 41, cf, 03, 3d, d3, 03, 31, d7, 03, 2d, db, 03, 29, 21, 25, bb, 03, eb, 03, bf, 03, 4d, c3, 03, 49, c7, 03, 45, cb, 03, 41, cf, 03, 3d, d3, 03, 31, d7, 03, 2d, db, 03, 29, 21, 25, 35, 55, bb, 03, fb, 02, bf, 03, 4d, c3, 03, 49, c7, 03, 45, cb, 03, 41, cf, 03, 3d, d3, 03, 31, d7, 03, 2d, db, 03, 29, 21, 25, eb, 03, 81, 01, 35, 55, bb, 03, ab, 03, bf, 03, 4d, c3, 03, 49, c7, 03, 45, cb, 03, 41, cf, 03, 3d, d3, 03, 31, d7, 03, 2d, db, 03, 29, 21, 25, e7, 03, 81, 01, eb, 03, 59, 35, 55, bb, 03, df, 03, bf, 03, 4d, c3, 03, 49, c7, 03, 45, cb, 03, 41, cf, 03, 3d, d3, 03, 31, d7, 03, 2d, db, 03, 29, 21, 25, e3, 03, 81, 01, e7, 03, 5d, eb, 03, 59, 35, 55, ff, 03, 61, 59, 5d, fb, 03, 65, ff, 03, 61, 59, 5d, 87, 04, 79, 83, 05, 75, 87, 05, 71, 69, 6d, f3, 04, 65, f7, 04, 61, fb, 04, 5d, 55, 59, ef, 04, 69, f3, 04, 65, f7, 04, 61, fb, 04, 5d, 55, 59, ef, 04, cb, 04, f3, 04, 65, f7, 04, 61, fb, 04, 5d, 55, 59, 69, 7d, ef, 04, e3, 04, f3, 04, 65, f7, 04, 61, fb, 04, 5d, 55, 59, 87, 05, 7d, 69, 6d, ef, 04, ff, 04, f3, 04, 65, f7, 04, 61, fb, 04, 5d, 55, 59, 83, 05, 7d, 87, 05, 71, 69, 6d, 9b, 05, 75, 6d, 71, 97, 05, 79, 9b, 05, 75, 6d, 71, a3, 05, c7, 05, a7, 05, 89, 01, ab, 05, 85, 01, af, 05, 81, 01, b3, 05, 7d, b7, 05, 79, bb, 05, 75, bf, 05, 71, c3, 05, 6d, 01, 69, 09, 8d, 01, 44, 01, 03, 01, 02, 0c, 05, 02, 0d, 02, 06, 00, 02, 05, 00, 06, 03, 03, 09, 00, 0a, 01, 00, 10, 00, 1d, 09, 01, 09, 01, 0a, 12, 02, 0f, 00, 1c, 8d, 01, 01, 0c, 00, 19, 16, 00, 1d, 00, 2a, 1a, 00, 2e, 00, 3c, 2f, 00, 3d, 02, 0a, 19, 02, 09, 00, 0a, 2b, 01, 09, 01, 12, 36, 03, 09, 00, 0f, 03, 03, 09, 01, 0c, 1d, 01, 0d, 02, 06, 00, 02, 05, 00, 06, 03, 02, 08, 00, 15, 21, 00, 16, 02, 06, 3e, 02, 0f, 00, 1c, 42, 01, 0c, 00, 19, 4a, 00, 1d, 00, 2a, 56, 00, 2e, 00, 3c, 73, 00, 3d, 02, 0a, 31, 02, 09, 00, 0a, 6f, 01, 09, 00, 17, 89, 01, 02, 09, 00, 0f, cf, 03, 03, 08, 00, 0c, 35, 01, 0d, 01, 10, 39, 01, 11, 02, 0a, 00, 02, 09, 00, 0a, 35, 02, 0c, 00, 19, 3d, 00, 1a, 02, 0a, 8a, 01, 04, 11, 00, 1e, 8e, 01, 01, 10, 00, 1d, 96, 01, 00, 21, 00, 2e, a2, 01, 00, 32, 00, 40, bf, 01, 00, 41, 02, 0e, 4d, 02, 0d, 00, 0e, bb, 01, 01, 0d, 00, 1b, 85, 01, 02, 0d, 00, 13, 00, 02, 05, 00, 06, fe, 01, 02, 09, 01, 0c, 51, 01, 0d, 02, 06, 00, 02, 05, 00, 06, ef, 04, 02, 09, 00, 0a, fe, 01, 00, 10, 00, 1d, 55, 00, 1e, 02, 06, a6, 02, 02, 0f, 00, 1c, d2, 02, 01, 0c, 00, 19, 82, 03, 00, 1d, 00, 2a, b6, 03, 00, 2e, 00, 3c, fb, 03, 00, 3d, 02, 0a, 65, 02, 09, 00, 0a, f7, 03, 01, 09, 00, 17, 81, 01, 02, 0d, 02, 0f, 83, 04, 05, 09, 00, 0a, ef, 04, 00, 10, 00, 1d, 69, 00, 1e, 02, 06, a2, 04, 02, 0f, 00, 1c, b6, 04, 01, 0c, 00, 19, ce, 04, 00, 1d, 00, 2a, ea, 04, 00, 2e, 00, 3c, 97, 05, 00, 3d, 02, 0a, 79, 02, 09, 00, 0a, 93, 05, 01, 09, 00, 17, 7d, 02, 09, 00, 0f, 9e, 05, 02, 01, 00, 02]
+Raw bytes (545): 0x[01, 01, 4d, 09, 0d, 01, 09, 0d, 71, 0d, 27, 71, 75, 27, 79, 71, 75, 0d, 23, 27, 79, 71, 75, 01, 03, 03, 15, 19, 65, 19, 4f, 65, 69, 4f, 6d, 65, 69, 19, 4b, 4f, 6d, 65, 69, 03, ef, 01, 15, 19, 15, 19, 1d, 25, 29, 59, 29, 7f, 59, 5d, 7f, 61, 59, 5d, 29, 7b, 7f, 61, 59, 5d, 1d, 87, 01, 25, 29, e7, 01, 1d, eb, 01, 29, ef, 01, 25, 15, 19, 31, 35, e7, 01, 1d, eb, 01, 29, ef, 01, 25, 15, 19, e7, 01, f7, 01, eb, 01, 29, ef, 01, 25, 15, 19, 1d, 31, 35, 4d, 35, df, 01, 4d, 51, df, 01, 55, 4d, 51, 35, db, 01, df, 01, 55, 4d, 51, e7, 01, f3, 01, eb, 01, 29, ef, 01, 25, 15, 19, f7, 01, 35, 1d, 31, 39, 3d, 31, 35, af, 02, 39, 31, 35, 3d, 41, 3d, a7, 02, 41, 45, a7, 02, 49, 41, 45, 3d, a3, 02, a7, 02, 49, 41, 45, af, 02, b3, 02, 31, 35, 39, 3d, 44, 01, 03, 01, 02, 0c, 05, 02, 0d, 02, 06, 00, 02, 05, 00, 06, 03, 03, 09, 00, 0a, 01, 00, 10, 00, 1d, 09, 01, 09, 01, 0a, 06, 02, 0f, 00, 1c, 0d, 01, 0c, 00, 19, 0a, 00, 1d, 00, 2a, 0e, 00, 2e, 00, 3c, 23, 00, 3d, 02, 0a, 1e, 02, 09, 00, 0a, 0d, 01, 09, 01, 12, 2a, 03, 09, 00, 0f, 03, 03, 09, 01, 0c, 11, 01, 0d, 02, 06, 00, 02, 05, 00, 06, 03, 02, 08, 00, 15, 15, 00, 16, 02, 06, 2e, 02, 0f, 00, 1c, 19, 01, 0c, 00, 19, 32, 00, 1d, 00, 2a, 36, 00, 2e, 00, 3c, 4b, 00, 3d, 02, 0a, 46, 02, 09, 00, 0a, 19, 01, 09, 00, 17, 52, 02, 09, 00, 0f, ef, 01, 03, 08, 00, 0c, 1d, 01, 0d, 01, 10, 21, 01, 11, 02, 0a, 00, 02, 09, 00, 0a, 1d, 02, 0c, 00, 19, 25, 00, 1a, 02, 0a, 5e, 04, 11, 00, 1e, 29, 01, 10, 00, 1d, 62, 00, 21, 00, 2e, 66, 00, 32, 00, 40, 7b, 00, 41, 02, 0e, 76, 02, 0d, 00, 0e, 29, 01, 0d, 00, 1b, 82, 01, 02, 0d, 00, 13, 00, 02, 05, 00, 06, 9e, 01, 02, 09, 01, 0c, 2d, 01, 0d, 02, 06, 00, 02, 05, 00, 06, af, 02, 02, 09, 00, 0a, 9e, 01, 00, 10, 00, 1d, 31, 00, 1e, 02, 06, ae, 01, 02, 0f, 00, 1c, 35, 01, 0c, 00, 19, c2, 01, 00, 1d, 00, 2a, c6, 01, 00, 2e, 00, 3c, db, 01, 00, 3d, 02, 0a, d6, 01, 02, 09, 00, 0a, 35, 01, 09, 00, 17, e2, 01, 02, 0d, 02, 0f, b3, 02, 05, 09, 00, 0a, af, 02, 00, 10, 00, 1d, 39, 00, 1e, 02, 06, 82, 02, 02, 0f, 00, 1c, 3d, 01, 0c, 00, 19, 8a, 02, 00, 1d, 00, 2a, 8e, 02, 00, 2e, 00, 3c, a3, 02, 00, 3d, 02, 0a, 9e, 02, 02, 09, 00, 0a, 3d, 01, 09, 00, 17, aa, 02, 02, 09, 00, 0f, 01, 02, 01, 00, 02]
 Number of files: 1
 - file 0 => global file 1
-Number of expressions: 178
-- expression 0 operands: lhs = Expression(1, Add), rhs = Counter(6)
-- expression 1 operands: lhs = Expression(2, Add), rhs = Counter(5)
-- expression 2 operands: lhs = Expression(3, Add), rhs = Counter(4)
-- expression 3 operands: lhs = Counter(2), rhs = Counter(3)
-- expression 4 operands: lhs = Counter(0), rhs = Counter(2)
-- expression 5 operands: lhs = Counter(35), rhs = Counter(3)
-- expression 6 operands: lhs = Counter(35), rhs = Expression(12, Add)
-- expression 7 operands: lhs = Counter(3), rhs = Counter(4)
-- expression 8 operands: lhs = Expression(12, Add), rhs = Counter(5)
-- expression 9 operands: lhs = Counter(3), rhs = Counter(4)
-- expression 10 operands: lhs = Expression(11, Add), rhs = Counter(6)
-- expression 11 operands: lhs = Expression(12, Add), rhs = Counter(5)
-- expression 12 operands: lhs = Counter(3), rhs = Counter(4)
-- expression 13 operands: lhs = Counter(0), rhs = Expression(177, Add)
-- expression 14 operands: lhs = Counter(2), rhs = Counter(35)
-- expression 15 operands: lhs = Expression(0, Add), rhs = Counter(8)
-- expression 16 operands: lhs = Expression(0, Add), rhs = Expression(17, Add)
-- expression 17 operands: lhs = Counter(8), rhs = Counter(34)
-- expression 18 operands: lhs = Expression(0, Add), rhs = Expression(19, Add)
-- expression 19 operands: lhs = Expression(118, Add), rhs = Counter(34)
-- expression 20 operands: lhs = Counter(8), rhs = Counter(9)
-- expression 21 operands: lhs = Expression(0, Add), rhs = Expression(22, Add)
-- expression 22 operands: lhs = Expression(117, Add), rhs = Counter(34)
-- expression 23 operands: lhs = Expression(118, Add), rhs = Counter(10)
-- expression 24 operands: lhs = Counter(8), rhs = Counter(9)
-- expression 25 operands: lhs = Expression(29, Add), rhs = Counter(11)
-- expression 26 operands: lhs = Counter(9), rhs = Counter(10)
-- expression 27 operands: lhs = Expression(28, Add), rhs = Counter(12)
-- expression 28 operands: lhs = Expression(29, Add), rhs = Counter(11)
-- expression 29 operands: lhs = Counter(9), rhs = Counter(10)
-- expression 30 operands: lhs = Expression(116, Add), rhs = Counter(12)
-- expression 31 operands: lhs = Expression(117, Add), rhs = Counter(11)
-- expression 32 operands: lhs = Expression(118, Add), rhs = Counter(10)
-- expression 33 operands: lhs = Counter(8), rhs = Counter(9)
-- expression 34 operands: lhs = Counter(13), rhs = Counter(15)
-- expression 35 operands: lhs = Counter(13), rhs = Expression(36, Add)
-- expression 36 operands: lhs = Counter(15), rhs = Counter(33)
-- expression 37 operands: lhs = Counter(13), rhs = Expression(38, Add)
-- expression 38 operands: lhs = Expression(43, Add), rhs = Counter(33)
-- expression 39 operands: lhs = Counter(15), rhs = Counter(16)
-- expression 40 operands: lhs = Counter(13), rhs = Expression(41, Add)
-- expression 41 operands: lhs = Expression(42, Add), rhs = Counter(33)
-- expression 42 operands: lhs = Expression(43, Add), rhs = Counter(17)
-- expression 43 operands: lhs = Counter(15), rhs = Counter(16)
-- expression 44 operands: lhs = Expression(48, Add), rhs = Counter(18)
-- expression 45 operands: lhs = Counter(16), rhs = Counter(17)
-- expression 46 operands: lhs = Expression(47, Add), rhs = Counter(19)
-- expression 47 operands: lhs = Expression(48, Add), rhs = Counter(18)
-- expression 48 operands: lhs = Counter(16), rhs = Counter(17)
-- expression 49 operands: lhs = Expression(110, Add), rhs = Counter(13)
-- expression 50 operands: lhs = Expression(111, Add), rhs = Counter(19)
-- expression 51 operands: lhs = Expression(112, Add), rhs = Counter(18)
-- expression 52 operands: lhs = Expression(113, Add), rhs = Counter(17)
-- expression 53 operands: lhs = Expression(114, Add), rhs = Counter(16)
-- expression 54 operands: lhs = Expression(115, Add), rhs = Counter(15)
-- expression 55 operands: lhs = Expression(116, Add), rhs = Counter(12)
-- expression 56 operands: lhs = Expression(117, Add), rhs = Counter(11)
-- expression 57 operands: lhs = Expression(118, Add), rhs = Counter(10)
-- expression 58 operands: lhs = Counter(8), rhs = Counter(9)
-- expression 59 operands: lhs = Expression(156, Add), rhs = Counter(25)
-- expression 60 operands: lhs = Expression(157, Add), rhs = Counter(24)
-- expression 61 operands: lhs = Expression(158, Add), rhs = Counter(23)
-- expression 62 operands: lhs = Counter(21), rhs = Counter(22)
-- expression 63 operands: lhs = Expression(110, Add), rhs = Counter(13)
-- expression 64 operands: lhs = Expression(111, Add), rhs = Counter(19)
-- expression 65 operands: lhs = Expression(112, Add), rhs = Counter(18)
-- expression 66 operands: lhs = Expression(113, Add), rhs = Counter(17)
-- expression 67 operands: lhs = Expression(114, Add), rhs = Counter(16)
-- expression 68 operands: lhs = Expression(115, Add), rhs = Counter(15)
-- expression 69 operands: lhs = Expression(116, Add), rhs = Counter(12)
-- expression 70 operands: lhs = Expression(117, Add), rhs = Counter(11)
-- expression 71 operands: lhs = Expression(118, Add), rhs = Counter(10)
-- expression 72 operands: lhs = Counter(8), rhs = Counter(9)
-- expression 73 operands: lhs = Expression(110, Add), rhs = Expression(122, Add)
-- expression 74 operands: lhs = Expression(111, Add), rhs = Counter(19)
-- expression 75 operands: lhs = Expression(112, Add), rhs = Counter(18)
-- expression 76 operands: lhs = Expression(113, Add), rhs = Counter(17)
-- expression 77 operands: lhs = Expression(114, Add), rhs = Counter(16)
-- expression 78 operands: lhs = Expression(115, Add), rhs = Counter(15)
-- expression 79 operands: lhs = Expression(116, Add), rhs = Counter(12)
-- expression 80 operands: lhs = Expression(117, Add), rhs = Counter(11)
-- expression 81 operands: lhs = Expression(118, Add), rhs = Counter(10)
-- expression 82 operands: lhs = Counter(8), rhs = Counter(9)
-- expression 83 operands: lhs = Counter(13), rhs = Counter(21)
-- expression 84 operands: lhs = Expression(110, Add), rhs = Expression(94, Add)
-- expression 85 operands: lhs = Expression(111, Add), rhs = Counter(19)
-- expression 86 operands: lhs = Expression(112, Add), rhs = Counter(18)
-- expression 87 operands: lhs = Expression(113, Add), rhs = Counter(17)
-- expression 88 operands: lhs = Expression(114, Add), rhs = Counter(16)
-- expression 89 operands: lhs = Expression(115, Add), rhs = Counter(15)
-- expression 90 operands: lhs = Expression(116, Add), rhs = Counter(12)
-- expression 91 operands: lhs = Expression(117, Add), rhs = Counter(11)
-- expression 92 operands: lhs = Expression(118, Add), rhs = Counter(10)
-- expression 93 operands: lhs = Counter(8), rhs = Counter(9)
-- expression 94 operands: lhs = Expression(122, Add), rhs = Counter(32)
-- expression 95 operands: lhs = Counter(13), rhs = Counter(21)
-- expression 96 operands: lhs = Expression(110, Add), rhs = Expression(106, Add)
-- expression 97 operands: lhs = Expression(111, Add), rhs = Counter(19)
-- expression 98 operands: lhs = Expression(112, Add), rhs = Counter(18)
-- expression 99 operands: lhs = Expression(113, Add), rhs = Counter(17)
-- expression 100 operands: lhs = Expression(114, Add), rhs = Counter(16)
-- expression 101 operands: lhs = Expression(115, Add), rhs = Counter(15)
-- expression 102 operands: lhs = Expression(116, Add), rhs = Counter(12)
-- expression 103 operands: lhs = Expression(117, Add), rhs = Counter(11)
-- expression 104 operands: lhs = Expression(118, Add), rhs = Counter(10)
-- expression 105 operands: lhs = Counter(8), rhs = Counter(9)
-- expression 106 operands: lhs = Expression(121, Add), rhs = Counter(32)
-- expression 107 operands: lhs = Expression(122, Add), rhs = Counter(22)
-- expression 108 operands: lhs = Counter(13), rhs = Counter(21)
-- expression 109 operands: lhs = Expression(110, Add), rhs = Expression(119, Add)
-- expression 110 operands: lhs = Expression(111, Add), rhs = Counter(19)
-- expression 111 operands: lhs = Expression(112, Add), rhs = Counter(18)
-- expression 112 operands: lhs = Expression(113, Add), rhs = Counter(17)
-- expression 113 operands: lhs = Expression(114, Add), rhs = Counter(16)
-- expression 114 operands: lhs = Expression(115, Add), rhs = Counter(15)
-- expression 115 operands: lhs = Expression(116, Add), rhs = Counter(12)
-- expression 116 operands: lhs = Expression(117, Add), rhs = Counter(11)
-- expression 117 operands: lhs = Expression(118, Add), rhs = Counter(10)
-- expression 118 operands: lhs = Counter(8), rhs = Counter(9)
-- expression 119 operands: lhs = Expression(120, Add), rhs = Counter(32)
-- expression 120 operands: lhs = Expression(121, Add), rhs = Counter(23)
-- expression 121 operands: lhs = Expression(122, Add), rhs = Counter(22)
-- expression 122 operands: lhs = Counter(13), rhs = Counter(21)
-- expression 123 operands: lhs = Expression(127, Add), rhs = Counter(24)
-- expression 124 operands: lhs = Counter(22), rhs = Counter(23)
-- expression 125 operands: lhs = Expression(126, Add), rhs = Counter(25)
-- expression 126 operands: lhs = Expression(127, Add), rhs = Counter(24)
-- expression 127 operands: lhs = Counter(22), rhs = Counter(23)
-- expression 128 operands: lhs = Expression(129, Add), rhs = Counter(30)
-- expression 129 operands: lhs = Expression(160, Add), rhs = Counter(29)
-- expression 130 operands: lhs = Expression(161, Add), rhs = Counter(28)
-- expression 131 operands: lhs = Counter(26), rhs = Counter(27)
-- expression 132 operands: lhs = Expression(156, Add), rhs = Counter(25)
-- expression 133 operands: lhs = Expression(157, Add), rhs = Counter(24)
-- expression 134 operands: lhs = Expression(158, Add), rhs = Counter(23)
-- expression 135 operands: lhs = Counter(21), rhs = Counter(22)
-- expression 136 operands: lhs = Expression(155, Add), rhs = Counter(26)
-- expression 137 operands: lhs = Expression(156, Add), rhs = Counter(25)
-- expression 138 operands: lhs = Expression(157, Add), rhs = Counter(24)
-- expression 139 operands: lhs = Expression(158, Add), rhs = Counter(23)
-- expression 140 operands: lhs = Counter(21), rhs = Counter(22)
-- expression 141 operands: lhs = Expression(155, Add), rhs = Expression(146, Add)
-- expression 142 operands: lhs = Expression(156, Add), rhs = Counter(25)
-- expression 143 operands: lhs = Expression(157, Add), rhs = Counter(24)
-- expression 144 operands: lhs = Expression(158, Add), rhs = Counter(23)
-- expression 145 operands: lhs = Counter(21), rhs = Counter(22)
-- expression 146 operands: lhs = Counter(26), rhs = Counter(31)
-- expression 147 operands: lhs = Expression(155, Add), rhs = Expression(152, Add)
-- expression 148 operands: lhs = Expression(156, Add), rhs = Counter(25)
-- expression 149 operands: lhs = Expression(157, Add), rhs = Counter(24)
-- expression 150 operands: lhs = Expression(158, Add), rhs = Counter(23)
-- expression 151 operands: lhs = Counter(21), rhs = Counter(22)
-- expression 152 operands: lhs = Expression(161, Add), rhs = Counter(31)
-- expression 153 operands: lhs = Counter(26), rhs = Counter(27)
-- expression 154 operands: lhs = Expression(155, Add), rhs = Expression(159, Add)
-- expression 155 operands: lhs = Expression(156, Add), rhs = Counter(25)
-- expression 156 operands: lhs = Expression(157, Add), rhs = Counter(24)
-- expression 157 operands: lhs = Expression(158, Add), rhs = Counter(23)
-- expression 158 operands: lhs = Counter(21), rhs = Counter(22)
-- expression 159 operands: lhs = Expression(160, Add), rhs = Counter(31)
-- expression 160 operands: lhs = Expression(161, Add), rhs = Counter(28)
-- expression 161 operands: lhs = Counter(26), rhs = Counter(27)
-- expression 162 operands: lhs = Expression(166, Add), rhs = Counter(29)
-- expression 163 operands: lhs = Counter(27), rhs = Counter(28)
-- expression 164 operands: lhs = Expression(165, Add), rhs = Counter(30)
-- expression 165 operands: lhs = Expression(166, Add), rhs = Counter(29)
-- expression 166 operands: lhs = Counter(27), rhs = Counter(28)
-- expression 167 operands: lhs = Expression(168, Add), rhs = Expression(177, Add)
-- expression 168 operands: lhs = Expression(169, Add), rhs = Counter(34)
-- expression 169 operands: lhs = Expression(170, Add), rhs = Counter(33)
-- expression 170 operands: lhs = Expression(171, Add), rhs = Counter(32)
-- expression 171 operands: lhs = Expression(172, Add), rhs = Counter(31)
-- expression 172 operands: lhs = Expression(173, Add), rhs = Counter(30)
-- expression 173 operands: lhs = Expression(174, Add), rhs = Counter(29)
-- expression 174 operands: lhs = Expression(175, Add), rhs = Counter(28)
-- expression 175 operands: lhs = Expression(176, Add), rhs = Counter(27)
-- expression 176 operands: lhs = Counter(0), rhs = Counter(26)
-- expression 177 operands: lhs = Counter(2), rhs = Counter(35)
+Number of expressions: 77
+- expression 0 operands: lhs = Counter(2), rhs = Counter(3)
+- expression 1 operands: lhs = Counter(0), rhs = Counter(2)
+- expression 2 operands: lhs = Counter(3), rhs = Counter(28)
+- expression 3 operands: lhs = Counter(3), rhs = Expression(9, Add)
+- expression 4 operands: lhs = Counter(28), rhs = Counter(29)
+- expression 5 operands: lhs = Expression(9, Add), rhs = Counter(30)
+- expression 6 operands: lhs = Counter(28), rhs = Counter(29)
+- expression 7 operands: lhs = Counter(3), rhs = Expression(8, Add)
+- expression 8 operands: lhs = Expression(9, Add), rhs = Counter(30)
+- expression 9 operands: lhs = Counter(28), rhs = Counter(29)
+- expression 10 operands: lhs = Counter(0), rhs = Expression(0, Add)
+- expression 11 operands: lhs = Expression(0, Add), rhs = Counter(5)
+- expression 12 operands: lhs = Counter(6), rhs = Counter(25)
+- expression 13 operands: lhs = Counter(6), rhs = Expression(19, Add)
+- expression 14 operands: lhs = Counter(25), rhs = Counter(26)
+- expression 15 operands: lhs = Expression(19, Add), rhs = Counter(27)
+- expression 16 operands: lhs = Counter(25), rhs = Counter(26)
+- expression 17 operands: lhs = Counter(6), rhs = Expression(18, Add)
+- expression 18 operands: lhs = Expression(19, Add), rhs = Counter(27)
+- expression 19 operands: lhs = Counter(25), rhs = Counter(26)
+- expression 20 operands: lhs = Expression(0, Add), rhs = Expression(59, Add)
+- expression 21 operands: lhs = Counter(5), rhs = Counter(6)
+- expression 22 operands: lhs = Counter(5), rhs = Counter(6)
+- expression 23 operands: lhs = Counter(7), rhs = Counter(9)
+- expression 24 operands: lhs = Counter(10), rhs = Counter(22)
+- expression 25 operands: lhs = Counter(10), rhs = Expression(31, Add)
+- expression 26 operands: lhs = Counter(22), rhs = Counter(23)
+- expression 27 operands: lhs = Expression(31, Add), rhs = Counter(24)
+- expression 28 operands: lhs = Counter(22), rhs = Counter(23)
+- expression 29 operands: lhs = Counter(10), rhs = Expression(30, Add)
+- expression 30 operands: lhs = Expression(31, Add), rhs = Counter(24)
+- expression 31 operands: lhs = Counter(22), rhs = Counter(23)
+- expression 32 operands: lhs = Counter(7), rhs = Expression(33, Add)
+- expression 33 operands: lhs = Counter(9), rhs = Counter(10)
+- expression 34 operands: lhs = Expression(57, Add), rhs = Counter(7)
+- expression 35 operands: lhs = Expression(58, Add), rhs = Counter(10)
+- expression 36 operands: lhs = Expression(59, Add), rhs = Counter(9)
+- expression 37 operands: lhs = Counter(5), rhs = Counter(6)
+- expression 38 operands: lhs = Counter(12), rhs = Counter(13)
+- expression 39 operands: lhs = Expression(57, Add), rhs = Counter(7)
+- expression 40 operands: lhs = Expression(58, Add), rhs = Counter(10)
+- expression 41 operands: lhs = Expression(59, Add), rhs = Counter(9)
+- expression 42 operands: lhs = Counter(5), rhs = Counter(6)
+- expression 43 operands: lhs = Expression(57, Add), rhs = Expression(61, Add)
+- expression 44 operands: lhs = Expression(58, Add), rhs = Counter(10)
+- expression 45 operands: lhs = Expression(59, Add), rhs = Counter(9)
+- expression 46 operands: lhs = Counter(5), rhs = Counter(6)
+- expression 47 operands: lhs = Counter(7), rhs = Counter(12)
+- expression 48 operands: lhs = Counter(13), rhs = Counter(19)
+- expression 49 operands: lhs = Counter(13), rhs = Expression(55, Add)
+- expression 50 operands: lhs = Counter(19), rhs = Counter(20)
+- expression 51 operands: lhs = Expression(55, Add), rhs = Counter(21)
+- expression 52 operands: lhs = Counter(19), rhs = Counter(20)
+- expression 53 operands: lhs = Counter(13), rhs = Expression(54, Add)
+- expression 54 operands: lhs = Expression(55, Add), rhs = Counter(21)
+- expression 55 operands: lhs = Counter(19), rhs = Counter(20)
+- expression 56 operands: lhs = Expression(57, Add), rhs = Expression(60, Add)
+- expression 57 operands: lhs = Expression(58, Add), rhs = Counter(10)
+- expression 58 operands: lhs = Expression(59, Add), rhs = Counter(9)
+- expression 59 operands: lhs = Counter(5), rhs = Counter(6)
+- expression 60 operands: lhs = Expression(61, Add), rhs = Counter(13)
+- expression 61 operands: lhs = Counter(7), rhs = Counter(12)
+- expression 62 operands: lhs = Counter(14), rhs = Counter(15)
+- expression 63 operands: lhs = Counter(12), rhs = Counter(13)
+- expression 64 operands: lhs = Expression(75, Add), rhs = Counter(14)
+- expression 65 operands: lhs = Counter(12), rhs = Counter(13)
+- expression 66 operands: lhs = Counter(15), rhs = Counter(16)
+- expression 67 operands: lhs = Counter(15), rhs = Expression(73, Add)
+- expression 68 operands: lhs = Counter(16), rhs = Counter(17)
+- expression 69 operands: lhs = Expression(73, Add), rhs = Counter(18)
+- expression 70 operands: lhs = Counter(16), rhs = Counter(17)
+- expression 71 operands: lhs = Counter(15), rhs = Expression(72, Add)
+- expression 72 operands: lhs = Expression(73, Add), rhs = Counter(18)
+- expression 73 operands: lhs = Counter(16), rhs = Counter(17)
+- expression 74 operands: lhs = Expression(75, Add), rhs = Expression(76, Add)
+- expression 75 operands: lhs = Counter(12), rhs = Counter(13)
+- expression 76 operands: lhs = Counter(14), rhs = Counter(15)
 Number of file 0 mappings: 68
 - Code(Counter(0)) at (prev + 3, 1) to (start + 2, 12)
 - Code(Counter(1)) at (prev + 2, 13) to (start + 2, 6)
 - Code(Zero) at (prev + 2, 5) to (start + 0, 6)
 - Code(Expression(0, Add)) at (prev + 3, 9) to (start + 0, 10)
-    = ((((c2 + c3) + c4) + c5) + c6)
+    = (c2 + c3)
 - Code(Counter(0)) at (prev + 0, 16) to (start + 0, 29)
 - Code(Counter(2)) at (prev + 1, 9) to (start + 1, 10)
-- Code(Expression(4, Sub)) at (prev + 2, 15) to (start + 0, 28)
+- Code(Expression(1, Sub)) at (prev + 2, 15) to (start + 0, 28)
     = (c0 - c2)
-- Code(Counter(35)) at (prev + 1, 12) to (start + 0, 25)
-- Code(Expression(5, Sub)) at (prev + 0, 29) to (start + 0, 42)
-    = (c35 - c3)
-- Code(Expression(6, Sub)) at (prev + 0, 46) to (start + 0, 60)
-    = (c35 - (c3 + c4))
-- Code(Expression(11, Add)) at (prev + 0, 61) to (start + 2, 10)
-    = ((c3 + c4) + c5)
-- Code(Counter(6)) at (prev + 2, 9) to (start + 0, 10)
-- Code(Expression(10, Add)) at (prev + 1, 9) to (start + 1, 18)
-    = (((c3 + c4) + c5) + c6)
-- Code(Expression(13, Sub)) at (prev + 3, 9) to (start + 0, 15)
-    = (c0 - (c2 + c35))
+- Code(Counter(3)) at (prev + 1, 12) to (start + 0, 25)
+- Code(Expression(2, Sub)) at (prev + 0, 29) to (start + 0, 42)
+    = (c3 - c28)
+- Code(Expression(3, Sub)) at (prev + 0, 46) to (start + 0, 60)
+    = (c3 - (c28 + c29))
+- Code(Expression(8, Add)) at (prev + 0, 61) to (start + 2, 10)
+    = ((c28 + c29) + c30)
+- Code(Expression(7, Sub)) at (prev + 2, 9) to (start + 0, 10)
+    = (c3 - ((c28 + c29) + c30))
+- Code(Counter(3)) at (prev + 1, 9) to (start + 1, 18)
+- Code(Expression(10, Sub)) at (prev + 3, 9) to (start + 0, 15)
+    = (c0 - (c2 + c3))
 - Code(Expression(0, Add)) at (prev + 3, 9) to (start + 1, 12)
-    = ((((c2 + c3) + c4) + c5) + c6)
-- Code(Counter(7)) at (prev + 1, 13) to (start + 2, 6)
+    = (c2 + c3)
+- Code(Counter(4)) at (prev + 1, 13) to (start + 2, 6)
 - Code(Zero) at (prev + 2, 5) to (start + 0, 6)
 - Code(Expression(0, Add)) at (prev + 2, 8) to (start + 0, 21)
-    = ((((c2 + c3) + c4) + c5) + c6)
-- Code(Counter(8)) at (prev + 0, 22) to (start + 2, 6)
-- Code(Expression(15, Sub)) at (prev + 2, 15) to (start + 0, 28)
-    = (((((c2 + c3) + c4) + c5) + c6) - c8)
-- Code(Expression(16, Sub)) at (prev + 1, 12) to (start + 0, 25)
-    = (((((c2 + c3) + c4) + c5) + c6) - (c8 + c34))
-- Code(Expression(18, Sub)) at (prev + 0, 29) to (start + 0, 42)
-    = (((((c2 + c3) + c4) + c5) + c6) - ((c8 + c9) + c34))
-- Code(Expression(21, Sub)) at (prev + 0, 46) to (start + 0, 60)
-    = (((((c2 + c3) + c4) + c5) + c6) - (((c8 + c9) + c10) + c34))
-- Code(Expression(28, Add)) at (prev + 0, 61) to (start + 2, 10)
-    = ((c9 + c10) + c11)
-- Code(Counter(12)) at (prev + 2, 9) to (start + 0, 10)
-- Code(Expression(27, Add)) at (prev + 1, 9) to (start + 0, 23)
-    = (((c9 + c10) + c11) + c12)
-- Code(Counter(34)) at (prev + 2, 9) to (start + 0, 15)
-- Code(Expression(115, Add)) at (prev + 3, 8) to (start + 0, 12)
-    = ((((c8 + c9) + c10) + c11) + c12)
-- Code(Counter(13)) at (prev + 1, 13) to (start + 1, 16)
-- Code(Counter(14)) at (prev + 1, 17) to (start + 2, 10)
+    = (c2 + c3)
+- Code(Counter(5)) at (prev + 0, 22) to (start + 2, 6)
+- Code(Expression(11, Sub)) at (prev + 2, 15) to (start + 0, 28)
+    = ((c2 + c3) - c5)
+- Code(Counter(6)) at (prev + 1, 12) to (start + 0, 25)
+- Code(Expression(12, Sub)) at (prev + 0, 29) to (start + 0, 42)
+    = (c6 - c25)
+- Code(Expression(13, Sub)) at (prev + 0, 46) to (start + 0, 60)
+    = (c6 - (c25 + c26))
+- Code(Expression(18, Add)) at (prev + 0, 61) to (start + 2, 10)
+    = ((c25 + c26) + c27)
+- Code(Expression(17, Sub)) at (prev + 2, 9) to (start + 0, 10)
+    = (c6 - ((c25 + c26) + c27))
+- Code(Counter(6)) at (prev + 1, 9) to (start + 0, 23)
+- Code(Expression(20, Sub)) at (prev + 2, 9) to (start + 0, 15)
+    = ((c2 + c3) - (c5 + c6))
+- Code(Expression(59, Add)) at (prev + 3, 8) to (start + 0, 12)
+    = (c5 + c6)
+- Code(Counter(7)) at (prev + 1, 13) to (start + 1, 16)
+- Code(Counter(8)) at (prev + 1, 17) to (start + 2, 10)
 - Code(Zero) at (prev + 2, 9) to (start + 0, 10)
-- Code(Counter(13)) at (prev + 2, 12) to (start + 0, 25)
-- Code(Counter(15)) at (prev + 0, 26) to (start + 2, 10)
-- Code(Expression(34, Sub)) at (prev + 4, 17) to (start + 0, 30)
-    = (c13 - c15)
-- Code(Expression(35, Sub)) at (prev + 1, 16) to (start + 0, 29)
-    = (c13 - (c15 + c33))
-- Code(Expression(37, Sub)) at (prev + 0, 33) to (start + 0, 46)
-    = (c13 - ((c15 + c16) + c33))
-- Code(Expression(40, Sub)) at (prev + 0, 50) to (start + 0, 64)
-    = (c13 - (((c15 + c16) + c17) + c33))
-- Code(Expression(47, Add)) at (prev + 0, 65) to (start + 2, 14)
-    = ((c16 + c17) + c18)
-- Code(Counter(19)) at (prev + 2, 13) to (start + 0, 14)
-- Code(Expression(46, Add)) at (prev + 1, 13) to (start + 0, 27)
-    = (((c16 + c17) + c18) + c19)
-- Code(Counter(33)) at (prev + 2, 13) to (start + 0, 19)
+- Code(Counter(7)) at (prev + 2, 12) to (start + 0, 25)
+- Code(Counter(9)) at (prev + 0, 26) to (start + 2, 10)
+- Code(Expression(23, Sub)) at (prev + 4, 17) to (start + 0, 30)
+    = (c7 - c9)
+- Code(Counter(10)) at (prev + 1, 16) to (start + 0, 29)
+- Code(Expression(24, Sub)) at (prev + 0, 33) to (start + 0, 46)
+    = (c10 - c22)
+- Code(Expression(25, Sub)) at (prev + 0, 50) to (start + 0, 64)
+    = (c10 - (c22 + c23))
+- Code(Expression(30, Add)) at (prev + 0, 65) to (start + 2, 14)
+    = ((c22 + c23) + c24)
+- Code(Expression(29, Sub)) at (prev + 2, 13) to (start + 0, 14)
+    = (c10 - ((c22 + c23) + c24))
+- Code(Counter(10)) at (prev + 1, 13) to (start + 0, 27)
+- Code(Expression(32, Sub)) at (prev + 2, 13) to (start + 0, 19)
+    = (c7 - (c9 + c10))
 - Code(Zero) at (prev + 2, 5) to (start + 0, 6)
-- Code(Expression(63, Sub)) at (prev + 2, 9) to (start + 1, 12)
-    = ((((((((((c8 + c9) + c10) + c11) + c12) + c15) + c16) + c17) + c18) + c19) - c13)
-- Code(Counter(20)) at (prev + 1, 13) to (start + 2, 6)
+- Code(Expression(39, Sub)) at (prev + 2, 9) to (start + 1, 12)
+    = ((((c5 + c6) + c9) + c10) - c7)
+- Code(Counter(11)) at (prev + 1, 13) to (start + 2, 6)
 - Code(Zero) at (prev + 2, 5) to (start + 0, 6)
-- Code(Expression(155, Add)) at (prev + 2, 9) to (start + 0, 10)
-    = ((((c21 + c22) + c23) + c24) + c25)
-- Code(Expression(63, Sub)) at (prev + 0, 16) to (start + 0, 29)
-    = ((((((((((c8 + c9) + c10) + c11) + c12) + c15) + c16) + c17) + c18) + c19) - c13)
-- Code(Counter(21)) at (prev + 0, 30) to (start + 2, 6)
-- Code(Expression(73, Sub)) at (prev + 2, 15) to (start + 0, 28)
-    = ((((((((((c8 + c9) + c10) + c11) + c12) + c15) + c16) + c17) + c18) + c19) - (c13 + c21))
-- Code(Expression(84, Sub)) at (prev + 1, 12) to (start + 0, 25)
-    = ((((((((((c8 + c9) + c10) + c11) + c12) + c15) + c16) + c17) + c18) + c19) - ((c13 + c21) + c32))
-- Code(Expression(96, Sub)) at (prev + 0, 29) to (start + 0, 42)
-    = ((((((((((c8 + c9) + c10) + c11) + c12) + c15) + c16) + c17) + c18) + c19) - (((c13 + c21) + c22) + c32))
-- Code(Expression(109, Sub)) at (prev + 0, 46) to (start + 0, 60)
-    = ((((((((((c8 + c9) + c10) + c11) + c12) + c15) + c16) + c17) + c18) + c19) - ((((c13 + c21) + c22) + c23) + c32))
-- Code(Expression(126, Add)) at (prev + 0, 61) to (start + 2, 10)
-    = ((c22 + c23) + c24)
-- Code(Counter(25)) at (prev + 2, 9) to (start + 0, 10)
-- Code(Expression(125, Add)) at (prev + 1, 9) to (start + 0, 23)
-    = (((c22 + c23) + c24) + c25)
-- Code(Counter(32)) at (prev + 2, 13) to (start + 2, 15)
-- Code(Expression(128, Add)) at (prev + 5, 9) to (start + 0, 10)
-    = ((((c26 + c27) + c28) + c29) + c30)
-- Code(Expression(155, Add)) at (prev + 0, 16) to (start + 0, 29)
-    = ((((c21 + c22) + c23) + c24) + c25)
-- Code(Counter(26)) at (prev + 0, 30) to (start + 2, 6)
-- Code(Expression(136, Sub)) at (prev + 2, 15) to (start + 0, 28)
-    = (((((c21 + c22) + c23) + c24) + c25) - c26)
-- Code(Expression(141, Sub)) at (prev + 1, 12) to (start + 0, 25)
-    = (((((c21 + c22) + c23) + c24) + c25) - (c26 + c31))
-- Code(Expression(147, Sub)) at (prev + 0, 29) to (start + 0, 42)
-    = (((((c21 + c22) + c23) + c24) + c25) - ((c26 + c27) + c31))
-- Code(Expression(154, Sub)) at (prev + 0, 46) to (start + 0, 60)
-    = (((((c21 + c22) + c23) + c24) + c25) - (((c26 + c27) + c28) + c31))
-- Code(Expression(165, Add)) at (prev + 0, 61) to (start + 2, 10)
-    = ((c27 + c28) + c29)
-- Code(Counter(30)) at (prev + 2, 9) to (start + 0, 10)
-- Code(Expression(164, Add)) at (prev + 1, 9) to (start + 0, 23)
-    = (((c27 + c28) + c29) + c30)
-- Code(Counter(31)) at (prev + 2, 9) to (start + 0, 15)
-- Code(Expression(167, Sub)) at (prev + 2, 1) to (start + 0, 2)
-    = ((((((((((c0 + c26) + c27) + c28) + c29) + c30) + c31) + c32) + c33) + c34) - (c2 + c35))
-Highest counter ID seen: c35
+- Code(Expression(75, Add)) at (prev + 2, 9) to (start + 0, 10)
+    = (c12 + c13)
+- Code(Expression(39, Sub)) at (prev + 0, 16) to (start + 0, 29)
+    = ((((c5 + c6) + c9) + c10) - c7)
+- Code(Counter(12)) at (prev + 0, 30) to (start + 2, 6)
+- Code(Expression(43, Sub)) at (prev + 2, 15) to (start + 0, 28)
+    = ((((c5 + c6) + c9) + c10) - (c7 + c12))
+- Code(Counter(13)) at (prev + 1, 12) to (start + 0, 25)
+- Code(Expression(48, Sub)) at (prev + 0, 29) to (start + 0, 42)
+    = (c13 - c19)
+- Code(Expression(49, Sub)) at (prev + 0, 46) to (start + 0, 60)
+    = (c13 - (c19 + c20))
+- Code(Expression(54, Add)) at (prev + 0, 61) to (start + 2, 10)
+    = ((c19 + c20) + c21)
+- Code(Expression(53, Sub)) at (prev + 2, 9) to (start + 0, 10)
+    = (c13 - ((c19 + c20) + c21))
+- Code(Counter(13)) at (prev + 1, 9) to (start + 0, 23)
+- Code(Expression(56, Sub)) at (prev + 2, 13) to (start + 2, 15)
+    = ((((c5 + c6) + c9) + c10) - ((c7 + c12) + c13))
+- Code(Expression(76, Add)) at (prev + 5, 9) to (start + 0, 10)
+    = (c14 + c15)
+- Code(Expression(75, Add)) at (prev + 0, 16) to (start + 0, 29)
+    = (c12 + c13)
+- Code(Counter(14)) at (prev + 0, 30) to (start + 2, 6)
+- Code(Expression(64, Sub)) at (prev + 2, 15) to (start + 0, 28)
+    = ((c12 + c13) - c14)
+- Code(Counter(15)) at (prev + 1, 12) to (start + 0, 25)
+- Code(Expression(66, Sub)) at (prev + 0, 29) to (start + 0, 42)
+    = (c15 - c16)
+- Code(Expression(67, Sub)) at (prev + 0, 46) to (start + 0, 60)
+    = (c15 - (c16 + c17))
+- Code(Expression(72, Add)) at (prev + 0, 61) to (start + 2, 10)
+    = ((c16 + c17) + c18)
+- Code(Expression(71, Sub)) at (prev + 2, 9) to (start + 0, 10)
+    = (c15 - ((c16 + c17) + c18))
+- Code(Counter(15)) at (prev + 1, 9) to (start + 0, 23)
+- Code(Expression(74, Sub)) at (prev + 2, 9) to (start + 0, 15)
+    = ((c12 + c13) - (c14 + c15))
+- Code(Counter(0)) at (prev + 2, 1) to (start + 0, 2)
+Highest counter ID seen: c15
 
diff --git a/tests/coverage/continue.cov-map b/tests/coverage/continue.cov-map
index 55313d7db49..eb968fbb747 100644
--- a/tests/coverage/continue.cov-map
+++ b/tests/coverage/continue.cov-map
@@ -1,5 +1,5 @@
 Function name: continue::main
-Raw bytes (210): 0x[01, 01, 1c, 07, 09, 01, 05, 03, 0d, 1f, 15, 0d, 11, 1b, 19, 1f, 15, 0d, 11, 33, 21, 19, 1d, 2f, 25, 33, 21, 19, 1d, 47, 2d, 25, 29, 43, 31, 47, 2d, 25, 29, 5b, 39, 31, 35, 57, 3d, 5b, 39, 31, 35, 35, 39, 3d, 41, 6b, 45, 3d, 41, 45, 49, 1e, 01, 03, 01, 03, 12, 03, 04, 0e, 00, 13, 0a, 01, 0f, 00, 16, 05, 02, 11, 00, 19, 09, 02, 12, 04, 0e, 1b, 06, 0e, 00, 13, 16, 01, 0f, 00, 16, 15, 01, 16, 02, 0e, 11, 04, 11, 00, 19, 15, 03, 09, 00, 0e, 2f, 02, 0e, 00, 13, 2a, 01, 0f, 00, 16, 1d, 01, 15, 02, 0e, 21, 04, 11, 00, 19, 1d, 03, 09, 00, 0e, 43, 02, 0e, 00, 13, 3e, 01, 0c, 00, 13, 29, 01, 0d, 00, 15, 2d, 01, 0a, 01, 0e, 57, 03, 0e, 00, 13, 52, 01, 0f, 00, 16, 39, 01, 16, 02, 0e, 35, 03, 12, 02, 0e, 5f, 04, 09, 00, 0e, 6b, 02, 0e, 00, 13, 66, 01, 0f, 00, 16, 41, 01, 16, 02, 0e, 49, 04, 11, 00, 16, 41, 03, 09, 00, 0e, 6f, 02, 0d, 01, 02]
+Raw bytes (210): 0x[01, 01, 1c, 07, 09, 01, 05, 03, 0d, 1f, 15, 0d, 11, 1b, 19, 1f, 15, 0d, 11, 33, 21, 19, 1d, 2f, 25, 33, 21, 19, 1d, 47, 2d, 25, 29, 43, 31, 47, 2d, 25, 29, 5b, 39, 31, 35, 57, 3d, 5b, 39, 31, 35, 35, 39, 3d, 41, 6b, 45, 3d, 41, 3d, 45, 1e, 01, 03, 01, 03, 12, 03, 04, 0e, 00, 13, 0a, 01, 0f, 00, 16, 05, 02, 11, 00, 19, 09, 02, 12, 04, 0e, 1b, 06, 0e, 00, 13, 16, 01, 0f, 00, 16, 15, 01, 16, 02, 0e, 11, 04, 11, 00, 19, 15, 03, 09, 00, 0e, 2f, 02, 0e, 00, 13, 2a, 01, 0f, 00, 16, 1d, 01, 15, 02, 0e, 21, 04, 11, 00, 19, 1d, 03, 09, 00, 0e, 43, 02, 0e, 00, 13, 3e, 01, 0c, 00, 13, 29, 01, 0d, 00, 15, 2d, 01, 0a, 01, 0e, 57, 03, 0e, 00, 13, 52, 01, 0f, 00, 16, 39, 01, 16, 02, 0e, 35, 03, 12, 02, 0e, 5f, 04, 09, 00, 0e, 6b, 02, 0e, 00, 13, 66, 01, 0f, 00, 16, 41, 01, 16, 02, 0e, 6e, 04, 11, 00, 16, 41, 03, 09, 00, 0e, 3d, 02, 0d, 01, 02]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 28
@@ -30,7 +30,7 @@ Number of expressions: 28
 - expression 24 operands: lhs = Counter(15), rhs = Counter(16)
 - expression 25 operands: lhs = Expression(26, Add), rhs = Counter(17)
 - expression 26 operands: lhs = Counter(15), rhs = Counter(16)
-- expression 27 operands: lhs = Counter(17), rhs = Counter(18)
+- expression 27 operands: lhs = Counter(15), rhs = Counter(17)
 Number of file 0 mappings: 30
 - Code(Counter(0)) at (prev + 3, 1) to (start + 3, 18)
 - Code(Expression(0, Add)) at (prev + 4, 14) to (start + 0, 19)
@@ -72,9 +72,9 @@ Number of file 0 mappings: 30
 - Code(Expression(25, Sub)) at (prev + 1, 15) to (start + 0, 22)
     = ((c15 + c16) - c17)
 - Code(Counter(16)) at (prev + 1, 22) to (start + 2, 14)
-- Code(Counter(18)) at (prev + 4, 17) to (start + 0, 22)
+- Code(Expression(27, Sub)) at (prev + 4, 17) to (start + 0, 22)
+    = (c15 - c17)
 - Code(Counter(16)) at (prev + 3, 9) to (start + 0, 14)
-- Code(Expression(27, Add)) at (prev + 2, 13) to (start + 1, 2)
-    = (c17 + c18)
-Highest counter ID seen: c18
+- Code(Counter(15)) at (prev + 2, 13) to (start + 1, 2)
+Highest counter ID seen: c16
 
diff --git a/tests/coverage/coroutine.cov-map b/tests/coverage/coroutine.cov-map
index 21f6787e9f2..7457a528a86 100644
--- a/tests/coverage/coroutine.cov-map
+++ b/tests/coverage/coroutine.cov-map
@@ -13,18 +13,14 @@ Number of file 0 mappings: 4
 Highest counter ID seen: c1
 
 Function name: coroutine::main
-Raw bytes (65): 0x[01, 01, 08, 07, 0d, 05, 09, 11, 15, 11, 1f, 15, 19, 15, 19, 11, 1f, 15, 19, 09, 01, 13, 01, 02, 16, 01, 08, 0b, 00, 2e, 11, 01, 2b, 00, 2d, 03, 01, 0e, 00, 35, 11, 02, 0b, 00, 2e, 0a, 01, 22, 00, 27, 1a, 00, 2c, 00, 2e, 1f, 01, 0e, 00, 35, 1a, 02, 01, 00, 02]
+Raw bytes (57): 0x[01, 01, 04, 07, 0d, 05, 09, 11, 19, 11, 15, 09, 01, 13, 01, 02, 16, 01, 08, 0b, 00, 2e, 11, 01, 2b, 00, 2d, 03, 01, 0e, 00, 35, 11, 02, 0b, 00, 2e, 0a, 01, 22, 00, 27, 15, 00, 2c, 00, 2e, 0e, 01, 0e, 00, 35, 15, 02, 01, 00, 02]
 Number of files: 1
 - file 0 => global file 1
-Number of expressions: 8
+Number of expressions: 4
 - expression 0 operands: lhs = Expression(1, Add), rhs = Counter(3)
 - expression 1 operands: lhs = Counter(1), rhs = Counter(2)
-- expression 2 operands: lhs = Counter(4), rhs = Counter(5)
-- expression 3 operands: lhs = Counter(4), rhs = Expression(7, Add)
-- expression 4 operands: lhs = Counter(5), rhs = Counter(6)
-- expression 5 operands: lhs = Counter(5), rhs = Counter(6)
-- expression 6 operands: lhs = Counter(4), rhs = Expression(7, Add)
-- expression 7 operands: lhs = Counter(5), rhs = Counter(6)
+- expression 2 operands: lhs = Counter(4), rhs = Counter(6)
+- expression 3 operands: lhs = Counter(4), rhs = Counter(5)
 Number of file 0 mappings: 9
 - Code(Counter(0)) at (prev + 19, 1) to (start + 2, 22)
 - Code(Counter(0)) at (prev + 8, 11) to (start + 0, 46)
@@ -33,14 +29,12 @@ Number of file 0 mappings: 9
     = ((c1 + c2) + c3)
 - Code(Counter(4)) at (prev + 2, 11) to (start + 0, 46)
 - Code(Expression(2, Sub)) at (prev + 1, 34) to (start + 0, 39)
+    = (c4 - c6)
+- Code(Counter(5)) at (prev + 0, 44) to (start + 0, 46)
+- Code(Expression(3, Sub)) at (prev + 1, 14) to (start + 0, 53)
     = (c4 - c5)
-- Code(Expression(6, Sub)) at (prev + 0, 44) to (start + 0, 46)
-    = (c4 - (c5 + c6))
-- Code(Expression(7, Add)) at (prev + 1, 14) to (start + 0, 53)
-    = (c5 + c6)
-- Code(Expression(6, Sub)) at (prev + 2, 1) to (start + 0, 2)
-    = (c4 - (c5 + c6))
-Highest counter ID seen: c4
+- Code(Counter(5)) at (prev + 2, 1) to (start + 0, 2)
+Highest counter ID seen: c5
 
 Function name: coroutine::main::{closure#0}
 Raw bytes (14): 0x[01, 01, 00, 02, 01, 16, 08, 01, 1f, 05, 02, 10, 01, 06]
diff --git a/tests/coverage/inline.cov-map b/tests/coverage/inline.cov-map
index 1b5b45695dc..39ba2b2d99b 100644
--- a/tests/coverage/inline.cov-map
+++ b/tests/coverage/inline.cov-map
@@ -41,7 +41,7 @@ Number of file 0 mappings: 1
 Highest counter ID seen: c0
 
 Function name: inline::permutate::<char>
-Raw bytes (54): 0x[01, 01, 05, 01, 05, 01, 0b, 05, 0d, 13, 0d, 05, 09, 08, 01, 0f, 01, 02, 0e, 05, 02, 0f, 02, 06, 02, 02, 0f, 00, 14, 11, 01, 0d, 00, 0e, 06, 00, 12, 00, 16, 11, 00, 17, 04, 0a, 0d, 05, 0c, 02, 06, 0f, 03, 01, 00, 02]
+Raw bytes (54): 0x[01, 01, 05, 01, 05, 01, 0b, 05, 0d, 13, 0d, 01, 09, 08, 01, 0f, 01, 02, 0e, 05, 02, 0f, 02, 06, 02, 02, 0f, 00, 14, 11, 01, 0d, 00, 0e, 0d, 00, 12, 00, 16, 11, 00, 17, 04, 0a, 06, 05, 0c, 02, 06, 0e, 03, 01, 00, 02]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 5
@@ -49,19 +49,19 @@ Number of expressions: 5
 - expression 1 operands: lhs = Counter(0), rhs = Expression(2, Add)
 - expression 2 operands: lhs = Counter(1), rhs = Counter(3)
 - expression 3 operands: lhs = Expression(4, Add), rhs = Counter(3)
-- expression 4 operands: lhs = Counter(1), rhs = Counter(2)
+- expression 4 operands: lhs = Counter(0), rhs = Counter(2)
 Number of file 0 mappings: 8
 - Code(Counter(0)) at (prev + 15, 1) to (start + 2, 14)
 - Code(Counter(1)) at (prev + 2, 15) to (start + 2, 6)
 - Code(Expression(0, Sub)) at (prev + 2, 15) to (start + 0, 20)
     = (c0 - c1)
 - Code(Counter(4)) at (prev + 1, 13) to (start + 0, 14)
-- Code(Expression(1, Sub)) at (prev + 0, 18) to (start + 0, 22)
-    = (c0 - (c1 + c3))
+- Code(Counter(3)) at (prev + 0, 18) to (start + 0, 22)
 - Code(Counter(4)) at (prev + 0, 23) to (start + 4, 10)
-- Code(Counter(3)) at (prev + 5, 12) to (start + 2, 6)
-- Code(Expression(3, Add)) at (prev + 3, 1) to (start + 0, 2)
-    = ((c1 + c2) + c3)
+- Code(Expression(1, Sub)) at (prev + 5, 12) to (start + 2, 6)
+    = (c0 - (c1 + c3))
+- Code(Expression(3, Sub)) at (prev + 3, 1) to (start + 0, 2)
+    = ((c0 + c2) - c3)
 Highest counter ID seen: c4
 
 Function name: inline::permutations::<char>
diff --git a/tests/coverage/loops_branches.cov-map b/tests/coverage/loops_branches.cov-map
index 14707701d8a..0279a1a5157 100644
--- a/tests/coverage/loops_branches.cov-map
+++ b/tests/coverage/loops_branches.cov-map
@@ -1,42 +1,32 @@
 Function name: <loops_branches::DebugTest as core::fmt::Debug>::fmt
-Raw bytes (174): 0x[01, 01, 22, 05, 00, 2f, 7b, 67, 00, 77, 19, 01, 15, 05, 21, 2f, 05, 67, 00, 77, 19, 01, 15, 2f, 7b, 67, 00, 77, 19, 01, 15, 05, 21, 67, 7b, 77, 19, 01, 15, 05, 21, 67, 5b, 77, 19, 01, 15, 7b, 00, 05, 21, 67, 7b, 77, 19, 01, 15, 05, 21, 77, 7b, 01, 15, 05, 21, 83, 01, 05, 87, 01, 15, 01, 11, 14, 01, 09, 05, 01, 10, 05, 02, 10, 00, 15, 00, 01, 17, 00, 1b, 00, 00, 1c, 00, 1e, 02, 01, 0d, 00, 0e, 05, 01, 0d, 00, 1e, 11, 00, 1e, 00, 1f, 00, 01, 10, 01, 0a, 2a, 03, 0d, 00, 0e, 1a, 00, 12, 00, 17, 2a, 01, 10, 00, 14, 62, 01, 14, 00, 19, 00, 01, 1b, 00, 1f, 00, 00, 20, 00, 22, 4e, 01, 11, 00, 12, 62, 01, 11, 00, 22, 72, 00, 22, 00, 23, 00, 01, 14, 01, 0e, 21, 03, 09, 00, 0f, 7e, 01, 05, 00, 06]
+Raw bytes (152): 0x[01, 01, 18, 05, 00, 27, 57, 53, 00, 01, 1d, 11, 19, 27, 11, 53, 00, 01, 1d, 27, 57, 53, 00, 01, 1d, 11, 19, 53, 57, 01, 1d, 11, 19, 53, 47, 01, 1d, 57, 00, 11, 19, 53, 57, 01, 1d, 11, 19, 5f, 19, 11, 15, 14, 01, 09, 05, 01, 10, 05, 02, 10, 00, 15, 00, 01, 17, 00, 1b, 00, 00, 1c, 00, 1e, 02, 01, 0d, 00, 0e, 05, 01, 0d, 00, 1e, 11, 00, 1e, 00, 1f, 00, 01, 10, 01, 0a, 22, 03, 0d, 00, 0e, 16, 00, 12, 00, 17, 22, 01, 10, 00, 14, 4e, 01, 14, 00, 19, 00, 01, 1b, 00, 1f, 00, 00, 20, 00, 22, 3e, 01, 11, 00, 12, 4e, 01, 11, 00, 22, 15, 00, 22, 00, 23, 00, 01, 14, 01, 0e, 19, 03, 09, 00, 0f, 5b, 01, 05, 00, 06]
 Number of files: 1
 - file 0 => global file 1
-Number of expressions: 34
+Number of expressions: 24
 - expression 0 operands: lhs = Counter(1), rhs = Zero
-- expression 1 operands: lhs = Expression(11, Add), rhs = Expression(30, Add)
-- expression 2 operands: lhs = Expression(25, Add), rhs = Zero
-- expression 3 operands: lhs = Expression(29, Add), rhs = Counter(6)
-- expression 4 operands: lhs = Counter(0), rhs = Counter(5)
-- expression 5 operands: lhs = Counter(1), rhs = Counter(8)
-- expression 6 operands: lhs = Expression(11, Add), rhs = Counter(1)
-- expression 7 operands: lhs = Expression(25, Add), rhs = Zero
-- expression 8 operands: lhs = Expression(29, Add), rhs = Counter(6)
-- expression 9 operands: lhs = Counter(0), rhs = Counter(5)
-- expression 10 operands: lhs = Expression(11, Add), rhs = Expression(30, Add)
-- expression 11 operands: lhs = Expression(25, Add), rhs = Zero
-- expression 12 operands: lhs = Expression(29, Add), rhs = Counter(6)
-- expression 13 operands: lhs = Counter(0), rhs = Counter(5)
-- expression 14 operands: lhs = Counter(1), rhs = Counter(8)
-- expression 15 operands: lhs = Expression(25, Add), rhs = Expression(30, Add)
-- expression 16 operands: lhs = Expression(29, Add), rhs = Counter(6)
-- expression 17 operands: lhs = Counter(0), rhs = Counter(5)
-- expression 18 operands: lhs = Counter(1), rhs = Counter(8)
-- expression 19 operands: lhs = Expression(25, Add), rhs = Expression(22, Add)
-- expression 20 operands: lhs = Expression(29, Add), rhs = Counter(6)
-- expression 21 operands: lhs = Counter(0), rhs = Counter(5)
-- expression 22 operands: lhs = Expression(30, Add), rhs = Zero
-- expression 23 operands: lhs = Counter(1), rhs = Counter(8)
-- expression 24 operands: lhs = Expression(25, Add), rhs = Expression(30, Add)
-- expression 25 operands: lhs = Expression(29, Add), rhs = Counter(6)
-- expression 26 operands: lhs = Counter(0), rhs = Counter(5)
-- expression 27 operands: lhs = Counter(1), rhs = Counter(8)
-- expression 28 operands: lhs = Expression(29, Add), rhs = Expression(30, Add)
-- expression 29 operands: lhs = Counter(0), rhs = Counter(5)
-- expression 30 operands: lhs = Counter(1), rhs = Counter(8)
-- expression 31 operands: lhs = Expression(32, Add), rhs = Counter(1)
-- expression 32 operands: lhs = Expression(33, Add), rhs = Counter(5)
-- expression 33 operands: lhs = Counter(0), rhs = Counter(4)
+- expression 1 operands: lhs = Expression(9, Add), rhs = Expression(21, Add)
+- expression 2 operands: lhs = Expression(20, Add), rhs = Zero
+- expression 3 operands: lhs = Counter(0), rhs = Counter(7)
+- expression 4 operands: lhs = Counter(4), rhs = Counter(6)
+- expression 5 operands: lhs = Expression(9, Add), rhs = Counter(4)
+- expression 6 operands: lhs = Expression(20, Add), rhs = Zero
+- expression 7 operands: lhs = Counter(0), rhs = Counter(7)
+- expression 8 operands: lhs = Expression(9, Add), rhs = Expression(21, Add)
+- expression 9 operands: lhs = Expression(20, Add), rhs = Zero
+- expression 10 operands: lhs = Counter(0), rhs = Counter(7)
+- expression 11 operands: lhs = Counter(4), rhs = Counter(6)
+- expression 12 operands: lhs = Expression(20, Add), rhs = Expression(21, Add)
+- expression 13 operands: lhs = Counter(0), rhs = Counter(7)
+- expression 14 operands: lhs = Counter(4), rhs = Counter(6)
+- expression 15 operands: lhs = Expression(20, Add), rhs = Expression(17, Add)
+- expression 16 operands: lhs = Counter(0), rhs = Counter(7)
+- expression 17 operands: lhs = Expression(21, Add), rhs = Zero
+- expression 18 operands: lhs = Counter(4), rhs = Counter(6)
+- expression 19 operands: lhs = Expression(20, Add), rhs = Expression(21, Add)
+- expression 20 operands: lhs = Counter(0), rhs = Counter(7)
+- expression 21 operands: lhs = Counter(4), rhs = Counter(6)
+- expression 22 operands: lhs = Expression(23, Add), rhs = Counter(6)
+- expression 23 operands: lhs = Counter(4), rhs = Counter(5)
 Number of file 0 mappings: 20
 - Code(Counter(0)) at (prev + 9, 5) to (start + 1, 16)
 - Code(Counter(1)) at (prev + 2, 16) to (start + 0, 21)
@@ -47,57 +37,57 @@ Number of file 0 mappings: 20
 - Code(Counter(1)) at (prev + 1, 13) to (start + 0, 30)
 - Code(Counter(4)) at (prev + 0, 30) to (start + 0, 31)
 - Code(Zero) at (prev + 1, 16) to (start + 1, 10)
-- Code(Expression(10, Sub)) at (prev + 3, 13) to (start + 0, 14)
-    = ((((c0 + c5) + c6) + Zero) - (c1 + c8))
-- Code(Expression(6, Sub)) at (prev + 0, 18) to (start + 0, 23)
-    = ((((c0 + c5) + c6) + Zero) - c1)
-- Code(Expression(10, Sub)) at (prev + 1, 16) to (start + 0, 20)
-    = ((((c0 + c5) + c6) + Zero) - (c1 + c8))
-- Code(Expression(24, Sub)) at (prev + 1, 20) to (start + 0, 25)
-    = (((c0 + c5) + c6) - (c1 + c8))
+- Code(Expression(8, Sub)) at (prev + 3, 13) to (start + 0, 14)
+    = (((c0 + c7) + Zero) - (c4 + c6))
+- Code(Expression(5, Sub)) at (prev + 0, 18) to (start + 0, 23)
+    = (((c0 + c7) + Zero) - c4)
+- Code(Expression(8, Sub)) at (prev + 1, 16) to (start + 0, 20)
+    = (((c0 + c7) + Zero) - (c4 + c6))
+- Code(Expression(19, Sub)) at (prev + 1, 20) to (start + 0, 25)
+    = ((c0 + c7) - (c4 + c6))
 - Code(Zero) at (prev + 1, 27) to (start + 0, 31)
 - Code(Zero) at (prev + 0, 32) to (start + 0, 34)
-- Code(Expression(19, Sub)) at (prev + 1, 17) to (start + 0, 18)
-    = (((c0 + c5) + c6) - ((c1 + c8) + Zero))
-- Code(Expression(24, Sub)) at (prev + 1, 17) to (start + 0, 34)
-    = (((c0 + c5) + c6) - (c1 + c8))
-- Code(Expression(28, Sub)) at (prev + 0, 34) to (start + 0, 35)
-    = ((c0 + c5) - (c1 + c8))
+- Code(Expression(15, Sub)) at (prev + 1, 17) to (start + 0, 18)
+    = ((c0 + c7) - ((c4 + c6) + Zero))
+- Code(Expression(19, Sub)) at (prev + 1, 17) to (start + 0, 34)
+    = ((c0 + c7) - (c4 + c6))
+- Code(Counter(5)) at (prev + 0, 34) to (start + 0, 35)
 - Code(Zero) at (prev + 1, 20) to (start + 1, 14)
-- Code(Counter(8)) at (prev + 3, 9) to (start + 0, 15)
-- Code(Expression(31, Sub)) at (prev + 1, 5) to (start + 0, 6)
-    = (((c0 + c4) + c5) - c1)
-Highest counter ID seen: c8
+- Code(Counter(6)) at (prev + 3, 9) to (start + 0, 15)
+- Code(Expression(22, Add)) at (prev + 1, 5) to (start + 0, 6)
+    = ((c4 + c5) + c6)
+Highest counter ID seen: c6
 
 Function name: <loops_branches::DisplayTest as core::fmt::Display>::fmt
-Raw bytes (152): 0x[01, 01, 18, 01, 00, 01, 00, 23, 15, 27, 11, 00, 0d, 27, 11, 00, 0d, 23, 15, 27, 11, 00, 0d, 4b, 15, 4f, 11, 00, 0d, 4b, 43, 4f, 11, 00, 0d, 15, 00, 4b, 15, 4f, 11, 00, 0d, 5f, 15, 00, 11, 5f, 21, 00, 11, 14, 01, 22, 05, 01, 11, 00, 01, 12, 01, 0a, 02, 02, 10, 00, 15, 00, 01, 17, 00, 1b, 00, 00, 1c, 00, 1e, 06, 01, 0d, 00, 0e, 02, 01, 0d, 00, 1e, 21, 00, 1e, 00, 1f, 1e, 02, 0d, 00, 0e, 23, 00, 12, 00, 17, 1e, 01, 10, 00, 15, 00, 00, 16, 01, 0e, 46, 02, 14, 00, 19, 00, 01, 1b, 00, 1f, 00, 00, 20, 00, 22, 36, 01, 11, 00, 12, 46, 01, 11, 00, 22, 52, 00, 22, 00, 23, 15, 03, 09, 00, 0f, 5b, 01, 05, 00, 06]
+Raw bytes (154): 0x[01, 01, 19, 01, 00, 01, 00, 2b, 63, 2f, 0d, 01, 00, 11, 15, 2b, 11, 2f, 0d, 01, 00, 2b, 63, 2f, 0d, 01, 00, 11, 15, 57, 63, 01, 0d, 11, 15, 57, 4b, 01, 0d, 63, 00, 11, 15, 57, 63, 01, 0d, 11, 15, 63, 21, 11, 15, 14, 01, 22, 05, 01, 11, 00, 01, 12, 01, 0a, 02, 02, 10, 00, 15, 00, 01, 17, 00, 1b, 00, 00, 1c, 00, 1e, 06, 01, 0d, 00, 0e, 02, 01, 0d, 00, 1e, 11, 00, 1e, 00, 1f, 26, 02, 0d, 00, 0e, 1a, 00, 12, 00, 17, 26, 01, 10, 00, 15, 00, 00, 16, 01, 0e, 52, 02, 14, 00, 19, 00, 01, 1b, 00, 1f, 00, 00, 20, 00, 22, 42, 01, 11, 00, 12, 52, 01, 11, 00, 22, 21, 00, 22, 00, 23, 15, 03, 09, 00, 0f, 5f, 01, 05, 00, 06]
 Number of files: 1
 - file 0 => global file 1
-Number of expressions: 24
+Number of expressions: 25
 - expression 0 operands: lhs = Counter(0), rhs = Zero
 - expression 1 operands: lhs = Counter(0), rhs = Zero
-- expression 2 operands: lhs = Expression(8, Add), rhs = Counter(5)
-- expression 3 operands: lhs = Expression(9, Add), rhs = Counter(4)
-- expression 4 operands: lhs = Zero, rhs = Counter(3)
-- expression 5 operands: lhs = Expression(9, Add), rhs = Counter(4)
-- expression 6 operands: lhs = Zero, rhs = Counter(3)
-- expression 7 operands: lhs = Expression(8, Add), rhs = Counter(5)
-- expression 8 operands: lhs = Expression(9, Add), rhs = Counter(4)
-- expression 9 operands: lhs = Zero, rhs = Counter(3)
-- expression 10 operands: lhs = Expression(18, Add), rhs = Counter(5)
-- expression 11 operands: lhs = Expression(19, Add), rhs = Counter(4)
-- expression 12 operands: lhs = Zero, rhs = Counter(3)
-- expression 13 operands: lhs = Expression(18, Add), rhs = Expression(16, Add)
-- expression 14 operands: lhs = Expression(19, Add), rhs = Counter(4)
-- expression 15 operands: lhs = Zero, rhs = Counter(3)
-- expression 16 operands: lhs = Counter(5), rhs = Zero
-- expression 17 operands: lhs = Expression(18, Add), rhs = Counter(5)
-- expression 18 operands: lhs = Expression(19, Add), rhs = Counter(4)
-- expression 19 operands: lhs = Zero, rhs = Counter(3)
-- expression 20 operands: lhs = Expression(23, Add), rhs = Counter(5)
-- expression 21 operands: lhs = Zero, rhs = Counter(4)
-- expression 22 operands: lhs = Expression(23, Add), rhs = Counter(8)
-- expression 23 operands: lhs = Zero, rhs = Counter(4)
+- expression 2 operands: lhs = Expression(10, Add), rhs = Expression(24, Add)
+- expression 3 operands: lhs = Expression(11, Add), rhs = Counter(3)
+- expression 4 operands: lhs = Counter(0), rhs = Zero
+- expression 5 operands: lhs = Counter(4), rhs = Counter(5)
+- expression 6 operands: lhs = Expression(10, Add), rhs = Counter(4)
+- expression 7 operands: lhs = Expression(11, Add), rhs = Counter(3)
+- expression 8 operands: lhs = Counter(0), rhs = Zero
+- expression 9 operands: lhs = Expression(10, Add), rhs = Expression(24, Add)
+- expression 10 operands: lhs = Expression(11, Add), rhs = Counter(3)
+- expression 11 operands: lhs = Counter(0), rhs = Zero
+- expression 12 operands: lhs = Counter(4), rhs = Counter(5)
+- expression 13 operands: lhs = Expression(21, Add), rhs = Expression(24, Add)
+- expression 14 operands: lhs = Counter(0), rhs = Counter(3)
+- expression 15 operands: lhs = Counter(4), rhs = Counter(5)
+- expression 16 operands: lhs = Expression(21, Add), rhs = Expression(18, Add)
+- expression 17 operands: lhs = Counter(0), rhs = Counter(3)
+- expression 18 operands: lhs = Expression(24, Add), rhs = Zero
+- expression 19 operands: lhs = Counter(4), rhs = Counter(5)
+- expression 20 operands: lhs = Expression(21, Add), rhs = Expression(24, Add)
+- expression 21 operands: lhs = Counter(0), rhs = Counter(3)
+- expression 22 operands: lhs = Counter(4), rhs = Counter(5)
+- expression 23 operands: lhs = Expression(24, Add), rhs = Counter(8)
+- expression 24 operands: lhs = Counter(4), rhs = Counter(5)
 Number of file 0 mappings: 20
 - Code(Counter(0)) at (prev + 34, 5) to (start + 1, 17)
 - Code(Zero) at (prev + 1, 18) to (start + 1, 10)
@@ -109,27 +99,26 @@ Number of file 0 mappings: 20
     = (c0 - Zero)
 - Code(Expression(0, Sub)) at (prev + 1, 13) to (start + 0, 30)
     = (c0 - Zero)
-- Code(Counter(8)) at (prev + 0, 30) to (start + 0, 31)
-- Code(Expression(7, Sub)) at (prev + 2, 13) to (start + 0, 14)
-    = (((Zero + c3) + c4) - c5)
-- Code(Expression(8, Add)) at (prev + 0, 18) to (start + 0, 23)
-    = ((Zero + c3) + c4)
-- Code(Expression(7, Sub)) at (prev + 1, 16) to (start + 0, 21)
-    = (((Zero + c3) + c4) - c5)
+- Code(Counter(4)) at (prev + 0, 30) to (start + 0, 31)
+- Code(Expression(9, Sub)) at (prev + 2, 13) to (start + 0, 14)
+    = (((c0 + Zero) + c3) - (c4 + c5))
+- Code(Expression(6, Sub)) at (prev + 0, 18) to (start + 0, 23)
+    = (((c0 + Zero) + c3) - c4)
+- Code(Expression(9, Sub)) at (prev + 1, 16) to (start + 0, 21)
+    = (((c0 + Zero) + c3) - (c4 + c5))
 - Code(Zero) at (prev + 0, 22) to (start + 1, 14)
-- Code(Expression(17, Sub)) at (prev + 2, 20) to (start + 0, 25)
-    = (((Zero + c3) + c4) - c5)
+- Code(Expression(20, Sub)) at (prev + 2, 20) to (start + 0, 25)
+    = ((c0 + c3) - (c4 + c5))
 - Code(Zero) at (prev + 1, 27) to (start + 0, 31)
 - Code(Zero) at (prev + 0, 32) to (start + 0, 34)
-- Code(Expression(13, Sub)) at (prev + 1, 17) to (start + 0, 18)
-    = (((Zero + c3) + c4) - (c5 + Zero))
-- Code(Expression(17, Sub)) at (prev + 1, 17) to (start + 0, 34)
-    = (((Zero + c3) + c4) - c5)
-- Code(Expression(20, Sub)) at (prev + 0, 34) to (start + 0, 35)
-    = ((Zero + c4) - c5)
+- Code(Expression(16, Sub)) at (prev + 1, 17) to (start + 0, 18)
+    = ((c0 + c3) - ((c4 + c5) + Zero))
+- Code(Expression(20, Sub)) at (prev + 1, 17) to (start + 0, 34)
+    = ((c0 + c3) - (c4 + c5))
+- Code(Counter(8)) at (prev + 0, 34) to (start + 0, 35)
 - Code(Counter(5)) at (prev + 3, 9) to (start + 0, 15)
-- Code(Expression(22, Add)) at (prev + 1, 5) to (start + 0, 6)
-    = ((Zero + c4) + c8)
+- Code(Expression(23, Add)) at (prev + 1, 5) to (start + 0, 6)
+    = ((c4 + c5) + c8)
 Highest counter ID seen: c8
 
 Function name: loops_branches::main
diff --git a/tests/coverage/mcdc/condition-limit.cov-map b/tests/coverage/mcdc/condition-limit.cov-map
index 19716878600..8ff5d6360f6 100644
--- a/tests/coverage/mcdc/condition-limit.cov-map
+++ b/tests/coverage/mcdc/condition-limit.cov-map
@@ -1,54 +1,16 @@
 Function name: condition_limit::accept_7_conditions
-Raw bytes (237): 0x[01, 01, 2e, 01, 05, 05, 09, 05, 09, 05, 7b, 09, 0d, 05, 7b, 09, 0d, 05, 77, 7b, 11, 09, 0d, 05, 77, 7b, 11, 09, 0d, 05, 73, 77, 15, 7b, 11, 09, 0d, 05, 73, 77, 15, 7b, 11, 09, 0d, 05, 6f, 73, 19, 77, 15, 7b, 11, 09, 0d, 05, 6f, 73, 19, 77, 15, 7b, 11, 09, 0d, 83, 01, 05, a7, 01, 21, ab, 01, 19, af, 01, 15, b3, 01, 11, b7, 01, 0d, 01, 09, 9f, 01, 05, a3, 01, 21, a7, 01, 1d, ab, 01, 19, af, 01, 15, b3, 01, 11, b7, 01, 0d, 01, 09, 12, 01, 07, 01, 02, 09, 28, 08, 07, 02, 08, 00, 27, 30, 05, 02, 01, 07, 00, 00, 08, 00, 09, 05, 00, 0d, 00, 0e, 30, 0a, 09, 07, 06, 00, 00, 0d, 00, 0e, 0a, 00, 12, 00, 13, 30, 16, 0d, 06, 05, 00, 00, 12, 00, 13, 16, 00, 17, 00, 18, 30, 2a, 11, 05, 04, 00, 00, 17, 00, 18, 2a, 00, 1c, 00, 1d, 30, 46, 15, 04, 03, 00, 00, 1c, 00, 1d, 46, 00, 21, 00, 22, 30, 6a, 19, 03, 02, 00, 00, 21, 00, 22, 6a, 00, 26, 00, 27, 30, 1d, 21, 02, 00, 00, 00, 26, 00, 27, 1d, 00, 28, 02, 06, 7e, 02, 05, 00, 06, 9a, 01, 01, 01, 00, 02]
+Raw bytes (147): 0x[01, 01, 08, 01, 05, 05, 09, 09, 0d, 0d, 11, 11, 15, 15, 19, 19, 1d, 01, 1d, 12, 01, 07, 01, 02, 09, 28, 08, 07, 02, 08, 00, 27, 30, 05, 02, 01, 07, 00, 00, 08, 00, 09, 05, 00, 0d, 00, 0e, 30, 09, 06, 07, 06, 00, 00, 0d, 00, 0e, 09, 00, 12, 00, 13, 30, 0d, 0a, 06, 05, 00, 00, 12, 00, 13, 0d, 00, 17, 00, 18, 30, 11, 0e, 05, 04, 00, 00, 17, 00, 18, 11, 00, 1c, 00, 1d, 30, 15, 12, 04, 03, 00, 00, 1c, 00, 1d, 15, 00, 21, 00, 22, 30, 19, 16, 03, 02, 00, 00, 21, 00, 22, 19, 00, 26, 00, 27, 30, 1d, 1a, 02, 00, 00, 00, 26, 00, 27, 1d, 00, 28, 02, 06, 1e, 02, 05, 00, 06, 01, 01, 01, 00, 02]
 Number of files: 1
 - file 0 => global file 1
-Number of expressions: 46
+Number of expressions: 8
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 - expression 1 operands: lhs = Counter(1), rhs = Counter(2)
-- expression 2 operands: lhs = Counter(1), rhs = Counter(2)
-- expression 3 operands: lhs = Counter(1), rhs = Expression(30, Add)
-- expression 4 operands: lhs = Counter(2), rhs = Counter(3)
-- expression 5 operands: lhs = Counter(1), rhs = Expression(30, Add)
-- expression 6 operands: lhs = Counter(2), rhs = Counter(3)
-- expression 7 operands: lhs = Counter(1), rhs = Expression(29, Add)
-- expression 8 operands: lhs = Expression(30, Add), rhs = Counter(4)
-- expression 9 operands: lhs = Counter(2), rhs = Counter(3)
-- expression 10 operands: lhs = Counter(1), rhs = Expression(29, Add)
-- expression 11 operands: lhs = Expression(30, Add), rhs = Counter(4)
-- expression 12 operands: lhs = Counter(2), rhs = Counter(3)
-- expression 13 operands: lhs = Counter(1), rhs = Expression(28, Add)
-- expression 14 operands: lhs = Expression(29, Add), rhs = Counter(5)
-- expression 15 operands: lhs = Expression(30, Add), rhs = Counter(4)
-- expression 16 operands: lhs = Counter(2), rhs = Counter(3)
-- expression 17 operands: lhs = Counter(1), rhs = Expression(28, Add)
-- expression 18 operands: lhs = Expression(29, Add), rhs = Counter(5)
-- expression 19 operands: lhs = Expression(30, Add), rhs = Counter(4)
-- expression 20 operands: lhs = Counter(2), rhs = Counter(3)
-- expression 21 operands: lhs = Counter(1), rhs = Expression(27, Add)
-- expression 22 operands: lhs = Expression(28, Add), rhs = Counter(6)
-- expression 23 operands: lhs = Expression(29, Add), rhs = Counter(5)
-- expression 24 operands: lhs = Expression(30, Add), rhs = Counter(4)
-- expression 25 operands: lhs = Counter(2), rhs = Counter(3)
-- expression 26 operands: lhs = Counter(1), rhs = Expression(27, Add)
-- expression 27 operands: lhs = Expression(28, Add), rhs = Counter(6)
-- expression 28 operands: lhs = Expression(29, Add), rhs = Counter(5)
-- expression 29 operands: lhs = Expression(30, Add), rhs = Counter(4)
-- expression 30 operands: lhs = Counter(2), rhs = Counter(3)
-- expression 31 operands: lhs = Expression(32, Add), rhs = Counter(1)
-- expression 32 operands: lhs = Expression(41, Add), rhs = Counter(8)
-- expression 33 operands: lhs = Expression(42, Add), rhs = Counter(6)
-- expression 34 operands: lhs = Expression(43, Add), rhs = Counter(5)
-- expression 35 operands: lhs = Expression(44, Add), rhs = Counter(4)
-- expression 36 operands: lhs = Expression(45, Add), rhs = Counter(3)
-- expression 37 operands: lhs = Counter(0), rhs = Counter(2)
-- expression 38 operands: lhs = Expression(39, Add), rhs = Counter(1)
-- expression 39 operands: lhs = Expression(40, Add), rhs = Counter(8)
-- expression 40 operands: lhs = Expression(41, Add), rhs = Counter(7)
-- expression 41 operands: lhs = Expression(42, Add), rhs = Counter(6)
-- expression 42 operands: lhs = Expression(43, Add), rhs = Counter(5)
-- expression 43 operands: lhs = Expression(44, Add), rhs = Counter(4)
-- expression 44 operands: lhs = Expression(45, Add), rhs = Counter(3)
-- expression 45 operands: lhs = Counter(0), rhs = Counter(2)
+- expression 2 operands: lhs = Counter(2), rhs = Counter(3)
+- expression 3 operands: lhs = Counter(3), rhs = Counter(4)
+- expression 4 operands: lhs = Counter(4), rhs = Counter(5)
+- expression 5 operands: lhs = Counter(5), rhs = Counter(6)
+- expression 6 operands: lhs = Counter(6), rhs = Counter(7)
+- expression 7 operands: lhs = Counter(0), rhs = Counter(7)
 Number of file 0 mappings: 18
 - Code(Counter(0)) at (prev + 7, 1) to (start + 2, 9)
 - MCDCDecision { bitmap_idx: 8, conditions_num: 7 } at (prev + 2, 8) to (start + 0, 39)
@@ -56,38 +18,32 @@ Number of file 0 mappings: 18
     true  = c1
     false = (c0 - c1)
 - Code(Counter(1)) at (prev + 0, 13) to (start + 0, 14)
-- MCDCBranch { true: Expression(2, Sub), false: Counter(2), condition_id: 7, true_next_id: 6, false_next_id: 0 } at (prev + 0, 13) to (start + 0, 14)
-    true  = (c1 - c2)
-    false = c2
-- Code(Expression(2, Sub)) at (prev + 0, 18) to (start + 0, 19)
-    = (c1 - c2)
-- MCDCBranch { true: Expression(5, Sub), false: Counter(3), condition_id: 6, true_next_id: 5, false_next_id: 0 } at (prev + 0, 18) to (start + 0, 19)
-    true  = (c1 - (c2 + c3))
-    false = c3
-- Code(Expression(5, Sub)) at (prev + 0, 23) to (start + 0, 24)
-    = (c1 - (c2 + c3))
-- MCDCBranch { true: Expression(10, Sub), false: Counter(4), condition_id: 5, true_next_id: 4, false_next_id: 0 } at (prev + 0, 23) to (start + 0, 24)
-    true  = (c1 - ((c2 + c3) + c4))
-    false = c4
-- Code(Expression(10, Sub)) at (prev + 0, 28) to (start + 0, 29)
-    = (c1 - ((c2 + c3) + c4))
-- MCDCBranch { true: Expression(17, Sub), false: Counter(5), condition_id: 4, true_next_id: 3, false_next_id: 0 } at (prev + 0, 28) to (start + 0, 29)
-    true  = (c1 - (((c2 + c3) + c4) + c5))
-    false = c5
-- Code(Expression(17, Sub)) at (prev + 0, 33) to (start + 0, 34)
-    = (c1 - (((c2 + c3) + c4) + c5))
-- MCDCBranch { true: Expression(26, Sub), false: Counter(6), condition_id: 3, true_next_id: 2, false_next_id: 0 } at (prev + 0, 33) to (start + 0, 34)
-    true  = (c1 - ((((c2 + c3) + c4) + c5) + c6))
-    false = c6
-- Code(Expression(26, Sub)) at (prev + 0, 38) to (start + 0, 39)
-    = (c1 - ((((c2 + c3) + c4) + c5) + c6))
-- MCDCBranch { true: Counter(7), false: Counter(8), condition_id: 2, true_next_id: 0, false_next_id: 0 } at (prev + 0, 38) to (start + 0, 39)
+- MCDCBranch { true: Counter(2), false: Expression(1, Sub), condition_id: 7, true_next_id: 6, false_next_id: 0 } at (prev + 0, 13) to (start + 0, 14)
+    true  = c2
+    false = (c1 - c2)
+- Code(Counter(2)) at (prev + 0, 18) to (start + 0, 19)
+- MCDCBranch { true: Counter(3), false: Expression(2, Sub), condition_id: 6, true_next_id: 5, false_next_id: 0 } at (prev + 0, 18) to (start + 0, 19)
+    true  = c3
+    false = (c2 - c3)
+- Code(Counter(3)) at (prev + 0, 23) to (start + 0, 24)
+- MCDCBranch { true: Counter(4), false: Expression(3, Sub), condition_id: 5, true_next_id: 4, false_next_id: 0 } at (prev + 0, 23) to (start + 0, 24)
+    true  = c4
+    false = (c3 - c4)
+- Code(Counter(4)) at (prev + 0, 28) to (start + 0, 29)
+- MCDCBranch { true: Counter(5), false: Expression(4, Sub), condition_id: 4, true_next_id: 3, false_next_id: 0 } at (prev + 0, 28) to (start + 0, 29)
+    true  = c5
+    false = (c4 - c5)
+- Code(Counter(5)) at (prev + 0, 33) to (start + 0, 34)
+- MCDCBranch { true: Counter(6), false: Expression(5, Sub), condition_id: 3, true_next_id: 2, false_next_id: 0 } at (prev + 0, 33) to (start + 0, 34)
+    true  = c6
+    false = (c5 - c6)
+- Code(Counter(6)) at (prev + 0, 38) to (start + 0, 39)
+- MCDCBranch { true: Counter(7), false: Expression(6, Sub), condition_id: 2, true_next_id: 0, false_next_id: 0 } at (prev + 0, 38) to (start + 0, 39)
     true  = c7
-    false = c8
+    false = (c6 - c7)
 - Code(Counter(7)) at (prev + 0, 40) to (start + 2, 6)
-- Code(Expression(31, Sub)) at (prev + 2, 5) to (start + 0, 6)
-    = (((((((c0 + c2) + c3) + c4) + c5) + c6) + c8) - c1)
-- Code(Expression(38, Sub)) at (prev + 1, 1) to (start + 0, 2)
-    = ((((((((c0 + c2) + c3) + c4) + c5) + c6) + c7) + c8) - c1)
-Highest counter ID seen: c8
+- Code(Expression(7, Sub)) at (prev + 2, 5) to (start + 0, 6)
+    = (c0 - c7)
+- Code(Counter(0)) at (prev + 1, 1) to (start + 0, 2)
+Highest counter ID seen: c7
 
diff --git a/tests/coverage/mcdc/if.cov-map b/tests/coverage/mcdc/if.cov-map
index acb8aac63de..771351f649f 100644
--- a/tests/coverage/mcdc/if.cov-map
+++ b/tests/coverage/mcdc/if.cov-map
@@ -1,14 +1,11 @@
 Function name: if::mcdc_check_a
-Raw bytes (68): 0x[01, 01, 06, 01, 05, 0b, 05, 01, 0d, 13, 05, 17, 0d, 01, 09, 08, 01, 0f, 01, 01, 09, 28, 03, 02, 01, 08, 00, 0e, 30, 05, 02, 01, 02, 00, 00, 08, 00, 09, 05, 00, 0d, 00, 0e, 30, 09, 0d, 02, 00, 00, 00, 0d, 00, 0e, 09, 00, 0f, 02, 06, 06, 02, 0c, 02, 06, 0e, 03, 01, 00, 02]
+Raw bytes (62): 0x[01, 01, 03, 01, 05, 05, 09, 01, 09, 08, 01, 0f, 01, 01, 09, 28, 03, 02, 01, 08, 00, 0e, 30, 05, 02, 01, 02, 00, 00, 08, 00, 09, 05, 00, 0d, 00, 0e, 30, 09, 06, 02, 00, 00, 00, 0d, 00, 0e, 09, 00, 0f, 02, 06, 0a, 02, 0c, 02, 06, 01, 03, 01, 00, 02]
 Number of files: 1
 - file 0 => global file 1
-Number of expressions: 6
+Number of expressions: 3
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
-- expression 1 operands: lhs = Expression(2, Add), rhs = Counter(1)
-- expression 2 operands: lhs = Counter(0), rhs = Counter(3)
-- expression 3 operands: lhs = Expression(4, Add), rhs = Counter(1)
-- expression 4 operands: lhs = Expression(5, Add), rhs = Counter(3)
-- expression 5 operands: lhs = Counter(0), rhs = Counter(2)
+- expression 1 operands: lhs = Counter(1), rhs = Counter(2)
+- expression 2 operands: lhs = Counter(0), rhs = Counter(2)
 Number of file 0 mappings: 8
 - Code(Counter(0)) at (prev + 15, 1) to (start + 1, 9)
 - MCDCDecision { bitmap_idx: 3, conditions_num: 2 } at (prev + 1, 8) to (start + 0, 14)
@@ -16,27 +13,23 @@ Number of file 0 mappings: 8
     true  = c1
     false = (c0 - c1)
 - Code(Counter(1)) at (prev + 0, 13) to (start + 0, 14)
-- MCDCBranch { true: Counter(2), false: Counter(3), condition_id: 2, true_next_id: 0, false_next_id: 0 } at (prev + 0, 13) to (start + 0, 14)
+- MCDCBranch { true: Counter(2), false: Expression(1, Sub), condition_id: 2, true_next_id: 0, false_next_id: 0 } at (prev + 0, 13) to (start + 0, 14)
     true  = c2
-    false = c3
+    false = (c1 - c2)
 - Code(Counter(2)) at (prev + 0, 15) to (start + 2, 6)
-- Code(Expression(1, Sub)) at (prev + 2, 12) to (start + 2, 6)
-    = ((c0 + c3) - c1)
-- Code(Expression(3, Sub)) at (prev + 3, 1) to (start + 0, 2)
-    = (((c0 + c2) + c3) - c1)
-Highest counter ID seen: c3
+- Code(Expression(2, Sub)) at (prev + 2, 12) to (start + 2, 6)
+    = (c0 - c2)
+- Code(Counter(0)) at (prev + 3, 1) to (start + 0, 2)
+Highest counter ID seen: c2
 
 Function name: if::mcdc_check_b
-Raw bytes (68): 0x[01, 01, 06, 01, 05, 0b, 05, 01, 0d, 13, 05, 17, 0d, 01, 09, 08, 01, 17, 01, 01, 09, 28, 03, 02, 01, 08, 00, 0e, 30, 05, 02, 01, 02, 00, 00, 08, 00, 09, 05, 00, 0d, 00, 0e, 30, 09, 0d, 02, 00, 00, 00, 0d, 00, 0e, 09, 00, 0f, 02, 06, 06, 02, 0c, 02, 06, 0e, 03, 01, 00, 02]
+Raw bytes (62): 0x[01, 01, 03, 01, 05, 05, 09, 01, 09, 08, 01, 17, 01, 01, 09, 28, 03, 02, 01, 08, 00, 0e, 30, 05, 02, 01, 02, 00, 00, 08, 00, 09, 05, 00, 0d, 00, 0e, 30, 09, 06, 02, 00, 00, 00, 0d, 00, 0e, 09, 00, 0f, 02, 06, 0a, 02, 0c, 02, 06, 01, 03, 01, 00, 02]
 Number of files: 1
 - file 0 => global file 1
-Number of expressions: 6
+Number of expressions: 3
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
-- expression 1 operands: lhs = Expression(2, Add), rhs = Counter(1)
-- expression 2 operands: lhs = Counter(0), rhs = Counter(3)
-- expression 3 operands: lhs = Expression(4, Add), rhs = Counter(1)
-- expression 4 operands: lhs = Expression(5, Add), rhs = Counter(3)
-- expression 5 operands: lhs = Counter(0), rhs = Counter(2)
+- expression 1 operands: lhs = Counter(1), rhs = Counter(2)
+- expression 2 operands: lhs = Counter(0), rhs = Counter(2)
 Number of file 0 mappings: 8
 - Code(Counter(0)) at (prev + 23, 1) to (start + 1, 9)
 - MCDCDecision { bitmap_idx: 3, conditions_num: 2 } at (prev + 1, 8) to (start + 0, 14)
@@ -44,27 +37,23 @@ Number of file 0 mappings: 8
     true  = c1
     false = (c0 - c1)
 - Code(Counter(1)) at (prev + 0, 13) to (start + 0, 14)
-- MCDCBranch { true: Counter(2), false: Counter(3), condition_id: 2, true_next_id: 0, false_next_id: 0 } at (prev + 0, 13) to (start + 0, 14)
+- MCDCBranch { true: Counter(2), false: Expression(1, Sub), condition_id: 2, true_next_id: 0, false_next_id: 0 } at (prev + 0, 13) to (start + 0, 14)
     true  = c2
-    false = c3
+    false = (c1 - c2)
 - Code(Counter(2)) at (prev + 0, 15) to (start + 2, 6)
-- Code(Expression(1, Sub)) at (prev + 2, 12) to (start + 2, 6)
-    = ((c0 + c3) - c1)
-- Code(Expression(3, Sub)) at (prev + 3, 1) to (start + 0, 2)
-    = (((c0 + c2) + c3) - c1)
-Highest counter ID seen: c3
+- Code(Expression(2, Sub)) at (prev + 2, 12) to (start + 2, 6)
+    = (c0 - c2)
+- Code(Counter(0)) at (prev + 3, 1) to (start + 0, 2)
+Highest counter ID seen: c2
 
 Function name: if::mcdc_check_both
-Raw bytes (68): 0x[01, 01, 06, 01, 05, 0b, 05, 01, 0d, 13, 05, 17, 0d, 01, 09, 08, 01, 1f, 01, 01, 09, 28, 03, 02, 01, 08, 00, 0e, 30, 05, 02, 01, 02, 00, 00, 08, 00, 09, 05, 00, 0d, 00, 0e, 30, 09, 0d, 02, 00, 00, 00, 0d, 00, 0e, 09, 00, 0f, 02, 06, 06, 02, 0c, 02, 06, 0e, 03, 01, 00, 02]
+Raw bytes (62): 0x[01, 01, 03, 01, 05, 05, 09, 01, 09, 08, 01, 1f, 01, 01, 09, 28, 03, 02, 01, 08, 00, 0e, 30, 05, 02, 01, 02, 00, 00, 08, 00, 09, 05, 00, 0d, 00, 0e, 30, 09, 06, 02, 00, 00, 00, 0d, 00, 0e, 09, 00, 0f, 02, 06, 0a, 02, 0c, 02, 06, 01, 03, 01, 00, 02]
 Number of files: 1
 - file 0 => global file 1
-Number of expressions: 6
+Number of expressions: 3
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
-- expression 1 operands: lhs = Expression(2, Add), rhs = Counter(1)
-- expression 2 operands: lhs = Counter(0), rhs = Counter(3)
-- expression 3 operands: lhs = Expression(4, Add), rhs = Counter(1)
-- expression 4 operands: lhs = Expression(5, Add), rhs = Counter(3)
-- expression 5 operands: lhs = Counter(0), rhs = Counter(2)
+- expression 1 operands: lhs = Counter(1), rhs = Counter(2)
+- expression 2 operands: lhs = Counter(0), rhs = Counter(2)
 Number of file 0 mappings: 8
 - Code(Counter(0)) at (prev + 31, 1) to (start + 1, 9)
 - MCDCDecision { bitmap_idx: 3, conditions_num: 2 } at (prev + 1, 8) to (start + 0, 14)
@@ -72,27 +61,23 @@ Number of file 0 mappings: 8
     true  = c1
     false = (c0 - c1)
 - Code(Counter(1)) at (prev + 0, 13) to (start + 0, 14)
-- MCDCBranch { true: Counter(2), false: Counter(3), condition_id: 2, true_next_id: 0, false_next_id: 0 } at (prev + 0, 13) to (start + 0, 14)
+- MCDCBranch { true: Counter(2), false: Expression(1, Sub), condition_id: 2, true_next_id: 0, false_next_id: 0 } at (prev + 0, 13) to (start + 0, 14)
     true  = c2
-    false = c3
+    false = (c1 - c2)
 - Code(Counter(2)) at (prev + 0, 15) to (start + 2, 6)
-- Code(Expression(1, Sub)) at (prev + 2, 12) to (start + 2, 6)
-    = ((c0 + c3) - c1)
-- Code(Expression(3, Sub)) at (prev + 3, 1) to (start + 0, 2)
-    = (((c0 + c2) + c3) - c1)
-Highest counter ID seen: c3
+- Code(Expression(2, Sub)) at (prev + 2, 12) to (start + 2, 6)
+    = (c0 - c2)
+- Code(Counter(0)) at (prev + 3, 1) to (start + 0, 2)
+Highest counter ID seen: c2
 
 Function name: if::mcdc_check_neither
-Raw bytes (68): 0x[01, 01, 06, 01, 05, 0b, 05, 01, 0d, 13, 05, 17, 0d, 01, 09, 08, 01, 07, 01, 01, 09, 28, 03, 02, 01, 08, 00, 0e, 30, 05, 02, 01, 02, 00, 00, 08, 00, 09, 05, 00, 0d, 00, 0e, 30, 09, 0d, 02, 00, 00, 00, 0d, 00, 0e, 09, 00, 0f, 02, 06, 06, 02, 0c, 02, 06, 0e, 03, 01, 00, 02]
+Raw bytes (62): 0x[01, 01, 03, 01, 05, 05, 09, 01, 09, 08, 01, 07, 01, 01, 09, 28, 03, 02, 01, 08, 00, 0e, 30, 05, 02, 01, 02, 00, 00, 08, 00, 09, 05, 00, 0d, 00, 0e, 30, 09, 06, 02, 00, 00, 00, 0d, 00, 0e, 09, 00, 0f, 02, 06, 0a, 02, 0c, 02, 06, 01, 03, 01, 00, 02]
 Number of files: 1
 - file 0 => global file 1
-Number of expressions: 6
+Number of expressions: 3
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
-- expression 1 operands: lhs = Expression(2, Add), rhs = Counter(1)
-- expression 2 operands: lhs = Counter(0), rhs = Counter(3)
-- expression 3 operands: lhs = Expression(4, Add), rhs = Counter(1)
-- expression 4 operands: lhs = Expression(5, Add), rhs = Counter(3)
-- expression 5 operands: lhs = Counter(0), rhs = Counter(2)
+- expression 1 operands: lhs = Counter(1), rhs = Counter(2)
+- expression 2 operands: lhs = Counter(0), rhs = Counter(2)
 Number of file 0 mappings: 8
 - Code(Counter(0)) at (prev + 7, 1) to (start + 1, 9)
 - MCDCDecision { bitmap_idx: 3, conditions_num: 2 } at (prev + 1, 8) to (start + 0, 14)
@@ -100,32 +85,27 @@ Number of file 0 mappings: 8
     true  = c1
     false = (c0 - c1)
 - Code(Counter(1)) at (prev + 0, 13) to (start + 0, 14)
-- MCDCBranch { true: Counter(2), false: Counter(3), condition_id: 2, true_next_id: 0, false_next_id: 0 } at (prev + 0, 13) to (start + 0, 14)
+- MCDCBranch { true: Counter(2), false: Expression(1, Sub), condition_id: 2, true_next_id: 0, false_next_id: 0 } at (prev + 0, 13) to (start + 0, 14)
     true  = c2
-    false = c3
+    false = (c1 - c2)
 - Code(Counter(2)) at (prev + 0, 15) to (start + 2, 6)
-- Code(Expression(1, Sub)) at (prev + 2, 12) to (start + 2, 6)
-    = ((c0 + c3) - c1)
-- Code(Expression(3, Sub)) at (prev + 3, 1) to (start + 0, 2)
-    = (((c0 + c2) + c3) - c1)
-Highest counter ID seen: c3
+- Code(Expression(2, Sub)) at (prev + 2, 12) to (start + 2, 6)
+    = (c0 - c2)
+- Code(Counter(0)) at (prev + 3, 1) to (start + 0, 2)
+Highest counter ID seen: c2
 
 Function name: if::mcdc_check_not_tree_decision
-Raw bytes (93): 0x[01, 01, 0b, 01, 05, 01, 2b, 05, 09, 05, 09, 17, 2b, 01, 11, 05, 09, 23, 2b, 27, 11, 01, 0d, 05, 09, 0a, 01, 31, 01, 03, 0a, 28, 05, 03, 03, 08, 00, 15, 30, 05, 02, 01, 02, 03, 00, 09, 00, 0a, 02, 00, 0e, 00, 0f, 30, 09, 06, 03, 02, 00, 00, 0e, 00, 0f, 2b, 00, 14, 00, 15, 30, 0d, 11, 02, 00, 00, 00, 14, 00, 15, 0d, 00, 16, 02, 06, 12, 02, 0c, 02, 06, 1e, 03, 01, 00, 02]
+Raw bytes (85): 0x[01, 01, 07, 01, 05, 01, 17, 05, 09, 05, 09, 17, 0d, 05, 09, 01, 0d, 0a, 01, 31, 01, 03, 0a, 28, 05, 03, 03, 08, 00, 15, 30, 05, 02, 01, 02, 03, 00, 09, 00, 0a, 02, 00, 0e, 00, 0f, 30, 09, 06, 03, 02, 00, 00, 0e, 00, 0f, 17, 00, 14, 00, 15, 30, 0d, 12, 02, 00, 00, 00, 14, 00, 15, 0d, 00, 16, 02, 06, 1a, 02, 0c, 02, 06, 01, 03, 01, 00, 02]
 Number of files: 1
 - file 0 => global file 1
-Number of expressions: 11
+Number of expressions: 7
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
-- expression 1 operands: lhs = Counter(0), rhs = Expression(10, Add)
+- expression 1 operands: lhs = Counter(0), rhs = Expression(5, Add)
 - expression 2 operands: lhs = Counter(1), rhs = Counter(2)
 - expression 3 operands: lhs = Counter(1), rhs = Counter(2)
-- expression 4 operands: lhs = Expression(5, Add), rhs = Expression(10, Add)
-- expression 5 operands: lhs = Counter(0), rhs = Counter(4)
-- expression 6 operands: lhs = Counter(1), rhs = Counter(2)
-- expression 7 operands: lhs = Expression(8, Add), rhs = Expression(10, Add)
-- expression 8 operands: lhs = Expression(9, Add), rhs = Counter(4)
-- expression 9 operands: lhs = Counter(0), rhs = Counter(3)
-- expression 10 operands: lhs = Counter(1), rhs = Counter(2)
+- expression 4 operands: lhs = Expression(5, Add), rhs = Counter(3)
+- expression 5 operands: lhs = Counter(1), rhs = Counter(2)
+- expression 6 operands: lhs = Counter(0), rhs = Counter(3)
 Number of file 0 mappings: 10
 - Code(Counter(0)) at (prev + 49, 1) to (start + 3, 10)
 - MCDCDecision { bitmap_idx: 5, conditions_num: 3 } at (prev + 3, 8) to (start + 0, 21)
@@ -137,33 +117,30 @@ Number of file 0 mappings: 10
 - MCDCBranch { true: Counter(2), false: Expression(1, Sub), condition_id: 3, true_next_id: 2, false_next_id: 0 } at (prev + 0, 14) to (start + 0, 15)
     true  = c2
     false = (c0 - (c1 + c2))
-- Code(Expression(10, Add)) at (prev + 0, 20) to (start + 0, 21)
+- Code(Expression(5, Add)) at (prev + 0, 20) to (start + 0, 21)
     = (c1 + c2)
-- MCDCBranch { true: Counter(3), false: Counter(4), condition_id: 2, true_next_id: 0, false_next_id: 0 } at (prev + 0, 20) to (start + 0, 21)
+- MCDCBranch { true: Counter(3), false: Expression(4, Sub), condition_id: 2, true_next_id: 0, false_next_id: 0 } at (prev + 0, 20) to (start + 0, 21)
     true  = c3
-    false = c4
+    false = ((c1 + c2) - c3)
 - Code(Counter(3)) at (prev + 0, 22) to (start + 2, 6)
-- Code(Expression(4, Sub)) at (prev + 2, 12) to (start + 2, 6)
-    = ((c0 + c4) - (c1 + c2))
-- Code(Expression(7, Sub)) at (prev + 3, 1) to (start + 0, 2)
-    = (((c0 + c3) + c4) - (c1 + c2))
-Highest counter ID seen: c4
+- Code(Expression(6, Sub)) at (prev + 2, 12) to (start + 2, 6)
+    = (c0 - c3)
+- Code(Counter(0)) at (prev + 3, 1) to (start + 0, 2)
+Highest counter ID seen: c3
 
 Function name: if::mcdc_check_tree_decision
-Raw bytes (91): 0x[01, 01, 0a, 01, 05, 05, 09, 05, 09, 09, 0d, 17, 05, 01, 11, 1f, 05, 23, 11, 27, 0d, 01, 09, 0a, 01, 27, 01, 03, 09, 28, 04, 03, 03, 08, 00, 15, 30, 05, 02, 01, 02, 00, 00, 08, 00, 09, 05, 00, 0e, 00, 0f, 30, 09, 0a, 02, 00, 03, 00, 0e, 00, 0f, 0a, 00, 13, 00, 14, 30, 0d, 11, 03, 00, 00, 00, 13, 00, 14, 0f, 00, 16, 02, 06, 12, 02, 0c, 02, 06, 1a, 03, 01, 00, 02]
+Raw bytes (87): 0x[01, 01, 08, 01, 05, 05, 09, 05, 09, 05, 1f, 09, 0d, 09, 0d, 01, 1f, 09, 0d, 0a, 01, 27, 01, 03, 09, 28, 04, 03, 03, 08, 00, 15, 30, 05, 02, 01, 02, 00, 00, 08, 00, 09, 05, 00, 0e, 00, 0f, 30, 09, 0a, 02, 00, 03, 00, 0e, 00, 0f, 0a, 00, 13, 00, 14, 30, 0d, 0e, 03, 00, 00, 00, 13, 00, 14, 1f, 00, 16, 02, 06, 1a, 02, 0c, 02, 06, 01, 03, 01, 00, 02]
 Number of files: 1
 - file 0 => global file 1
-Number of expressions: 10
+Number of expressions: 8
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 - expression 1 operands: lhs = Counter(1), rhs = Counter(2)
 - expression 2 operands: lhs = Counter(1), rhs = Counter(2)
-- expression 3 operands: lhs = Counter(2), rhs = Counter(3)
-- expression 4 operands: lhs = Expression(5, Add), rhs = Counter(1)
-- expression 5 operands: lhs = Counter(0), rhs = Counter(4)
-- expression 6 operands: lhs = Expression(7, Add), rhs = Counter(1)
-- expression 7 operands: lhs = Expression(8, Add), rhs = Counter(4)
-- expression 8 operands: lhs = Expression(9, Add), rhs = Counter(3)
-- expression 9 operands: lhs = Counter(0), rhs = Counter(2)
+- expression 3 operands: lhs = Counter(1), rhs = Expression(7, Add)
+- expression 4 operands: lhs = Counter(2), rhs = Counter(3)
+- expression 5 operands: lhs = Counter(2), rhs = Counter(3)
+- expression 6 operands: lhs = Counter(0), rhs = Expression(7, Add)
+- expression 7 operands: lhs = Counter(2), rhs = Counter(3)
 Number of file 0 mappings: 10
 - Code(Counter(0)) at (prev + 39, 1) to (start + 3, 9)
 - MCDCDecision { bitmap_idx: 4, conditions_num: 3 } at (prev + 3, 8) to (start + 0, 21)
@@ -176,38 +153,32 @@ Number of file 0 mappings: 10
     false = (c1 - c2)
 - Code(Expression(2, Sub)) at (prev + 0, 19) to (start + 0, 20)
     = (c1 - c2)
-- MCDCBranch { true: Counter(3), false: Counter(4), condition_id: 3, true_next_id: 0, false_next_id: 0 } at (prev + 0, 19) to (start + 0, 20)
+- MCDCBranch { true: Counter(3), false: Expression(3, Sub), condition_id: 3, true_next_id: 0, false_next_id: 0 } at (prev + 0, 19) to (start + 0, 20)
     true  = c3
-    false = c4
-- Code(Expression(3, Add)) at (prev + 0, 22) to (start + 2, 6)
+    false = (c1 - (c2 + c3))
+- Code(Expression(7, Add)) at (prev + 0, 22) to (start + 2, 6)
     = (c2 + c3)
-- Code(Expression(4, Sub)) at (prev + 2, 12) to (start + 2, 6)
-    = ((c0 + c4) - c1)
-- Code(Expression(6, Sub)) at (prev + 3, 1) to (start + 0, 2)
-    = ((((c0 + c2) + c3) + c4) - c1)
-Highest counter ID seen: c4
+- Code(Expression(6, Sub)) at (prev + 2, 12) to (start + 2, 6)
+    = (c0 - (c2 + c3))
+- Code(Counter(0)) at (prev + 3, 1) to (start + 0, 2)
+Highest counter ID seen: c3
 
 Function name: if::mcdc_nested_if
-Raw bytes (130): 0x[01, 01, 10, 01, 05, 01, 3f, 05, 09, 05, 09, 3f, 0d, 05, 09, 3f, 0d, 05, 09, 0d, 15, 01, 3f, 05, 09, 33, 3f, 37, 15, 3b, 11, 01, 0d, 05, 09, 0e, 01, 3b, 01, 01, 09, 28, 03, 02, 01, 08, 00, 0e, 30, 05, 02, 01, 00, 02, 00, 08, 00, 09, 02, 00, 0d, 00, 0e, 30, 09, 26, 02, 00, 00, 00, 0d, 00, 0e, 3f, 01, 09, 01, 0d, 28, 06, 02, 01, 0c, 00, 12, 30, 1a, 0d, 01, 02, 00, 00, 0c, 00, 0d, 1a, 00, 11, 00, 12, 30, 11, 15, 02, 00, 00, 00, 11, 00, 12, 11, 00, 13, 02, 0a, 23, 02, 09, 00, 0a, 26, 01, 0c, 02, 06, 2e, 03, 01, 00, 02]
+Raw bytes (120): 0x[01, 01, 0b, 01, 05, 01, 2b, 05, 09, 05, 09, 2b, 0d, 05, 09, 0d, 11, 2b, 11, 05, 09, 01, 2b, 05, 09, 0e, 01, 3b, 01, 01, 09, 28, 03, 02, 01, 08, 00, 0e, 30, 05, 02, 01, 00, 02, 00, 08, 00, 09, 02, 00, 0d, 00, 0e, 30, 09, 26, 02, 00, 00, 00, 0d, 00, 0e, 2b, 01, 09, 01, 0d, 28, 06, 02, 01, 0c, 00, 12, 30, 0d, 12, 01, 02, 00, 00, 0c, 00, 0d, 0d, 00, 11, 00, 12, 30, 11, 1a, 02, 00, 00, 00, 11, 00, 12, 11, 00, 13, 02, 0a, 1e, 02, 09, 00, 0a, 26, 01, 0c, 02, 06, 01, 03, 01, 00, 02]
 Number of files: 1
 - file 0 => global file 1
-Number of expressions: 16
+Number of expressions: 11
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
-- expression 1 operands: lhs = Counter(0), rhs = Expression(15, Add)
+- expression 1 operands: lhs = Counter(0), rhs = Expression(10, Add)
 - expression 2 operands: lhs = Counter(1), rhs = Counter(2)
 - expression 3 operands: lhs = Counter(1), rhs = Counter(2)
-- expression 4 operands: lhs = Expression(15, Add), rhs = Counter(3)
+- expression 4 operands: lhs = Expression(10, Add), rhs = Counter(3)
 - expression 5 operands: lhs = Counter(1), rhs = Counter(2)
-- expression 6 operands: lhs = Expression(15, Add), rhs = Counter(3)
-- expression 7 operands: lhs = Counter(1), rhs = Counter(2)
-- expression 8 operands: lhs = Counter(3), rhs = Counter(5)
-- expression 9 operands: lhs = Counter(0), rhs = Expression(15, Add)
+- expression 6 operands: lhs = Counter(3), rhs = Counter(4)
+- expression 7 operands: lhs = Expression(10, Add), rhs = Counter(4)
+- expression 8 operands: lhs = Counter(1), rhs = Counter(2)
+- expression 9 operands: lhs = Counter(0), rhs = Expression(10, Add)
 - expression 10 operands: lhs = Counter(1), rhs = Counter(2)
-- expression 11 operands: lhs = Expression(12, Add), rhs = Expression(15, Add)
-- expression 12 operands: lhs = Expression(13, Add), rhs = Counter(5)
-- expression 13 operands: lhs = Expression(14, Add), rhs = Counter(4)
-- expression 14 operands: lhs = Counter(0), rhs = Counter(3)
-- expression 15 operands: lhs = Counter(1), rhs = Counter(2)
 Number of file 0 mappings: 14
 - Code(Counter(0)) at (prev + 59, 1) to (start + 1, 9)
 - MCDCDecision { bitmap_idx: 3, conditions_num: 2 } at (prev + 1, 8) to (start + 0, 14)
@@ -219,23 +190,21 @@ Number of file 0 mappings: 14
 - MCDCBranch { true: Counter(2), false: Expression(9, Sub), condition_id: 2, true_next_id: 0, false_next_id: 0 } at (prev + 0, 13) to (start + 0, 14)
     true  = c2
     false = (c0 - (c1 + c2))
-- Code(Expression(15, Add)) at (prev + 1, 9) to (start + 1, 13)
+- Code(Expression(10, Add)) at (prev + 1, 9) to (start + 1, 13)
     = (c1 + c2)
 - MCDCDecision { bitmap_idx: 6, conditions_num: 2 } at (prev + 1, 12) to (start + 0, 18)
-- MCDCBranch { true: Expression(6, Sub), false: Counter(3), condition_id: 1, true_next_id: 2, false_next_id: 0 } at (prev + 0, 12) to (start + 0, 13)
-    true  = ((c1 + c2) - c3)
-    false = c3
-- Code(Expression(6, Sub)) at (prev + 0, 17) to (start + 0, 18)
-    = ((c1 + c2) - c3)
-- MCDCBranch { true: Counter(4), false: Counter(5), condition_id: 2, true_next_id: 0, false_next_id: 0 } at (prev + 0, 17) to (start + 0, 18)
+- MCDCBranch { true: Counter(3), false: Expression(4, Sub), condition_id: 1, true_next_id: 2, false_next_id: 0 } at (prev + 0, 12) to (start + 0, 13)
+    true  = c3
+    false = ((c1 + c2) - c3)
+- Code(Counter(3)) at (prev + 0, 17) to (start + 0, 18)
+- MCDCBranch { true: Counter(4), false: Expression(6, Sub), condition_id: 2, true_next_id: 0, false_next_id: 0 } at (prev + 0, 17) to (start + 0, 18)
     true  = c4
-    false = c5
+    false = (c3 - c4)
 - Code(Counter(4)) at (prev + 0, 19) to (start + 2, 10)
-- Code(Expression(8, Add)) at (prev + 2, 9) to (start + 0, 10)
-    = (c3 + c5)
+- Code(Expression(7, Sub)) at (prev + 2, 9) to (start + 0, 10)
+    = ((c1 + c2) - c4)
 - Code(Expression(9, Sub)) at (prev + 1, 12) to (start + 2, 6)
     = (c0 - (c1 + c2))
-- Code(Expression(11, Sub)) at (prev + 3, 1) to (start + 0, 2)
-    = ((((c0 + c3) + c4) + c5) - (c1 + c2))
-Highest counter ID seen: c5
+- Code(Counter(0)) at (prev + 3, 1) to (start + 0, 2)
+Highest counter ID seen: c4
 
diff --git a/tests/coverage/mcdc/inlined_expressions.cov-map b/tests/coverage/mcdc/inlined_expressions.cov-map
index 92ec60dc23c..6a112b66e88 100644
--- a/tests/coverage/mcdc/inlined_expressions.cov-map
+++ b/tests/coverage/mcdc/inlined_expressions.cov-map
@@ -1,12 +1,10 @@
 Function name: inlined_expressions::inlined_instance
-Raw bytes (54): 0x[01, 01, 04, 01, 05, 0b, 05, 0f, 0d, 01, 09, 06, 01, 08, 01, 01, 06, 28, 03, 02, 01, 05, 00, 0b, 30, 05, 02, 01, 02, 00, 00, 05, 00, 06, 05, 00, 0a, 00, 0b, 30, 09, 0d, 02, 00, 00, 00, 0a, 00, 0b, 06, 01, 01, 00, 02]
+Raw bytes (50): 0x[01, 01, 02, 01, 05, 05, 09, 06, 01, 08, 01, 01, 06, 28, 03, 02, 01, 05, 00, 0b, 30, 05, 02, 01, 02, 00, 00, 05, 00, 06, 05, 00, 0a, 00, 0b, 30, 09, 06, 02, 00, 00, 00, 0a, 00, 0b, 01, 01, 01, 00, 02]
 Number of files: 1
 - file 0 => global file 1
-Number of expressions: 4
+Number of expressions: 2
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
-- expression 1 operands: lhs = Expression(2, Add), rhs = Counter(1)
-- expression 2 operands: lhs = Expression(3, Add), rhs = Counter(3)
-- expression 3 operands: lhs = Counter(0), rhs = Counter(2)
+- expression 1 operands: lhs = Counter(1), rhs = Counter(2)
 Number of file 0 mappings: 6
 - Code(Counter(0)) at (prev + 8, 1) to (start + 1, 6)
 - MCDCDecision { bitmap_idx: 3, conditions_num: 2 } at (prev + 1, 5) to (start + 0, 11)
@@ -14,10 +12,9 @@ Number of file 0 mappings: 6
     true  = c1
     false = (c0 - c1)
 - Code(Counter(1)) at (prev + 0, 10) to (start + 0, 11)
-- MCDCBranch { true: Counter(2), false: Counter(3), condition_id: 2, true_next_id: 0, false_next_id: 0 } at (prev + 0, 10) to (start + 0, 11)
+- MCDCBranch { true: Counter(2), false: Expression(1, Sub), condition_id: 2, true_next_id: 0, false_next_id: 0 } at (prev + 0, 10) to (start + 0, 11)
     true  = c2
-    false = c3
-- Code(Expression(1, Sub)) at (prev + 1, 1) to (start + 0, 2)
-    = (((c0 + c2) + c3) - c1)
-Highest counter ID seen: c3
+    false = (c1 - c2)
+- Code(Counter(0)) at (prev + 1, 1) to (start + 0, 2)
+Highest counter ID seen: c2
 
diff --git a/tests/coverage/mcdc/nested_if.cov-map b/tests/coverage/mcdc/nested_if.cov-map
index 72daecabc77..72c7d68840d 100644
--- a/tests/coverage/mcdc/nested_if.cov-map
+++ b/tests/coverage/mcdc/nested_if.cov-map
@@ -1,24 +1,22 @@
 Function name: nested_if::doubly_nested_if_in_condition
-Raw bytes (172): 0x[01, 01, 10, 01, 05, 05, 09, 05, 09, 05, 27, 09, 19, 19, 1d, 19, 1d, 23, 27, 05, 1d, 09, 19, 09, 0d, 33, 05, 01, 15, 3b, 05, 3f, 15, 01, 11, 14, 01, 0f, 01, 01, 09, 28, 09, 02, 01, 08, 00, 4e, 30, 05, 02, 01, 02, 00, 00, 08, 00, 09, 30, 11, 15, 02, 00, 00, 00, 0d, 00, 4e, 05, 00, 10, 00, 11, 28, 06, 02, 00, 10, 00, 36, 30, 09, 0a, 01, 00, 02, 00, 10, 00, 11, 30, 0d, 21, 02, 00, 00, 00, 15, 00, 36, 0a, 00, 18, 00, 19, 28, 03, 02, 00, 18, 00, 1e, 30, 19, 0e, 01, 02, 00, 00, 18, 00, 19, 19, 00, 1d, 00, 1e, 30, 1a, 1d, 02, 00, 00, 00, 1d, 00, 1e, 1a, 00, 21, 00, 25, 1e, 00, 2f, 00, 34, 2b, 00, 39, 00, 3e, 21, 00, 48, 00, 4c, 11, 00, 4f, 02, 06, 2e, 02, 0c, 02, 06, 36, 03, 01, 00, 02]
+Raw bytes (168): 0x[01, 01, 0e, 01, 05, 05, 09, 05, 09, 05, 13, 09, 19, 19, 1d, 05, 1f, 09, 1d, 09, 0d, 2b, 05, 01, 15, 33, 05, 37, 15, 01, 11, 14, 01, 0f, 01, 01, 09, 28, 09, 02, 01, 08, 00, 4e, 30, 05, 02, 01, 02, 00, 00, 08, 00, 09, 30, 11, 15, 02, 00, 00, 00, 0d, 00, 4e, 05, 00, 10, 00, 11, 28, 06, 02, 00, 10, 00, 36, 30, 09, 0a, 01, 00, 02, 00, 10, 00, 11, 30, 0d, 21, 02, 00, 00, 00, 15, 00, 36, 0a, 00, 18, 00, 19, 28, 03, 02, 00, 18, 00, 1e, 30, 19, 0e, 01, 02, 00, 00, 18, 00, 19, 19, 00, 1d, 00, 1e, 30, 1d, 16, 02, 00, 00, 00, 1d, 00, 1e, 1d, 00, 21, 00, 25, 1a, 00, 2f, 00, 34, 23, 00, 39, 00, 3e, 21, 00, 48, 00, 4c, 11, 00, 4f, 02, 06, 26, 02, 0c, 02, 06, 2e, 03, 01, 00, 02]
 Number of files: 1
 - file 0 => global file 1
-Number of expressions: 16
+Number of expressions: 14
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 - expression 1 operands: lhs = Counter(1), rhs = Counter(2)
 - expression 2 operands: lhs = Counter(1), rhs = Counter(2)
-- expression 3 operands: lhs = Counter(1), rhs = Expression(9, Add)
+- expression 3 operands: lhs = Counter(1), rhs = Expression(4, Add)
 - expression 4 operands: lhs = Counter(2), rhs = Counter(6)
 - expression 5 operands: lhs = Counter(6), rhs = Counter(7)
-- expression 6 operands: lhs = Counter(6), rhs = Counter(7)
-- expression 7 operands: lhs = Expression(8, Add), rhs = Expression(9, Add)
-- expression 8 operands: lhs = Counter(1), rhs = Counter(7)
-- expression 9 operands: lhs = Counter(2), rhs = Counter(6)
-- expression 10 operands: lhs = Counter(2), rhs = Counter(3)
+- expression 6 operands: lhs = Counter(1), rhs = Expression(7, Add)
+- expression 7 operands: lhs = Counter(2), rhs = Counter(7)
+- expression 8 operands: lhs = Counter(2), rhs = Counter(3)
+- expression 9 operands: lhs = Expression(10, Add), rhs = Counter(1)
+- expression 10 operands: lhs = Counter(0), rhs = Counter(5)
 - expression 11 operands: lhs = Expression(12, Add), rhs = Counter(1)
-- expression 12 operands: lhs = Counter(0), rhs = Counter(5)
-- expression 13 operands: lhs = Expression(14, Add), rhs = Counter(1)
-- expression 14 operands: lhs = Expression(15, Add), rhs = Counter(5)
-- expression 15 operands: lhs = Counter(0), rhs = Counter(4)
+- expression 12 operands: lhs = Expression(13, Add), rhs = Counter(5)
+- expression 13 operands: lhs = Counter(0), rhs = Counter(4)
 Number of file 0 mappings: 20
 - Code(Counter(0)) at (prev + 15, 1) to (start + 1, 9)
 - MCDCDecision { bitmap_idx: 9, conditions_num: 2 } at (prev + 1, 8) to (start + 0, 78)
@@ -43,20 +41,19 @@ Number of file 0 mappings: 20
     true  = c6
     false = (c1 - (c2 + c6))
 - Code(Counter(6)) at (prev + 0, 29) to (start + 0, 30)
-- MCDCBranch { true: Expression(6, Sub), false: Counter(7), condition_id: 2, true_next_id: 0, false_next_id: 0 } at (prev + 0, 29) to (start + 0, 30)
-    true  = (c6 - c7)
-    false = c7
-- Code(Expression(6, Sub)) at (prev + 0, 33) to (start + 0, 37)
-    = (c6 - c7)
-- Code(Expression(7, Sub)) at (prev + 0, 47) to (start + 0, 52)
-    = ((c1 + c7) - (c2 + c6))
-- Code(Expression(10, Add)) at (prev + 0, 57) to (start + 0, 62)
+- MCDCBranch { true: Counter(7), false: Expression(5, Sub), condition_id: 2, true_next_id: 0, false_next_id: 0 } at (prev + 0, 29) to (start + 0, 30)
+    true  = c7
+    false = (c6 - c7)
+- Code(Counter(7)) at (prev + 0, 33) to (start + 0, 37)
+- Code(Expression(6, Sub)) at (prev + 0, 47) to (start + 0, 52)
+    = (c1 - (c2 + c7))
+- Code(Expression(8, Add)) at (prev + 0, 57) to (start + 0, 62)
     = (c2 + c3)
 - Code(Counter(8)) at (prev + 0, 72) to (start + 0, 76)
 - Code(Counter(4)) at (prev + 0, 79) to (start + 2, 6)
-- Code(Expression(11, Sub)) at (prev + 2, 12) to (start + 2, 6)
+- Code(Expression(9, Sub)) at (prev + 2, 12) to (start + 2, 6)
     = ((c0 + c5) - c1)
-- Code(Expression(13, Sub)) at (prev + 3, 1) to (start + 0, 2)
+- Code(Expression(11, Sub)) at (prev + 3, 1) to (start + 0, 2)
     = (((c0 + c4) + c5) - c1)
 Highest counter ID seen: c8
 
@@ -109,30 +106,28 @@ Number of file 0 mappings: 14
 Highest counter ID seen: c5
 
 Function name: nested_if::nested_in_then_block_in_condition
-Raw bytes (180): 0x[01, 01, 14, 01, 05, 05, 09, 05, 09, 05, 3b, 09, 0d, 09, 0d, 3b, 11, 09, 0d, 11, 15, 11, 15, 2f, 11, 3b, 15, 09, 0d, 05, 3b, 09, 0d, 43, 05, 01, 1d, 4b, 05, 4f, 1d, 01, 19, 14, 01, 22, 01, 01, 09, 28, 09, 02, 01, 08, 00, 4b, 30, 05, 02, 01, 02, 00, 00, 08, 00, 09, 30, 19, 1d, 02, 00, 00, 00, 0d, 00, 4b, 05, 00, 10, 00, 11, 28, 03, 02, 00, 10, 00, 16, 30, 09, 0a, 01, 00, 02, 00, 10, 00, 11, 0a, 00, 15, 00, 16, 30, 0d, 36, 02, 00, 00, 00, 15, 00, 16, 3b, 00, 1c, 00, 1d, 28, 06, 02, 00, 1c, 00, 22, 30, 11, 1a, 01, 02, 00, 00, 1c, 00, 1d, 11, 00, 21, 00, 22, 30, 26, 15, 02, 00, 00, 00, 21, 00, 22, 26, 00, 25, 00, 29, 2a, 00, 33, 00, 38, 36, 00, 44, 00, 49, 19, 00, 4c, 02, 06, 3e, 02, 0c, 02, 06, 46, 03, 01, 00, 02]
+Raw bytes (176): 0x[01, 01, 12, 01, 05, 05, 09, 05, 09, 05, 33, 09, 0d, 09, 0d, 33, 11, 09, 0d, 11, 15, 33, 15, 09, 0d, 05, 33, 09, 0d, 3b, 05, 01, 1d, 43, 05, 47, 1d, 01, 19, 14, 01, 22, 01, 01, 09, 28, 09, 02, 01, 08, 00, 4b, 30, 05, 02, 01, 02, 00, 00, 08, 00, 09, 30, 19, 1d, 02, 00, 00, 00, 0d, 00, 4b, 05, 00, 10, 00, 11, 28, 03, 02, 00, 10, 00, 16, 30, 09, 0a, 01, 00, 02, 00, 10, 00, 11, 0a, 00, 15, 00, 16, 30, 0d, 2e, 02, 00, 00, 00, 15, 00, 16, 33, 00, 1c, 00, 1d, 28, 06, 02, 00, 1c, 00, 22, 30, 11, 1a, 01, 02, 00, 00, 1c, 00, 1d, 11, 00, 21, 00, 22, 30, 15, 22, 02, 00, 00, 00, 21, 00, 22, 15, 00, 25, 00, 29, 26, 00, 33, 00, 38, 2e, 00, 44, 00, 49, 19, 00, 4c, 02, 06, 36, 02, 0c, 02, 06, 3e, 03, 01, 00, 02]
 Number of files: 1
 - file 0 => global file 1
-Number of expressions: 20
+Number of expressions: 18
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 - expression 1 operands: lhs = Counter(1), rhs = Counter(2)
 - expression 2 operands: lhs = Counter(1), rhs = Counter(2)
-- expression 3 operands: lhs = Counter(1), rhs = Expression(14, Add)
+- expression 3 operands: lhs = Counter(1), rhs = Expression(12, Add)
 - expression 4 operands: lhs = Counter(2), rhs = Counter(3)
 - expression 5 operands: lhs = Counter(2), rhs = Counter(3)
-- expression 6 operands: lhs = Expression(14, Add), rhs = Counter(4)
+- expression 6 operands: lhs = Expression(12, Add), rhs = Counter(4)
 - expression 7 operands: lhs = Counter(2), rhs = Counter(3)
 - expression 8 operands: lhs = Counter(4), rhs = Counter(5)
-- expression 9 operands: lhs = Counter(4), rhs = Counter(5)
-- expression 10 operands: lhs = Expression(11, Add), rhs = Counter(4)
-- expression 11 operands: lhs = Expression(14, Add), rhs = Counter(5)
+- expression 9 operands: lhs = Expression(12, Add), rhs = Counter(5)
+- expression 10 operands: lhs = Counter(2), rhs = Counter(3)
+- expression 11 operands: lhs = Counter(1), rhs = Expression(12, Add)
 - expression 12 operands: lhs = Counter(2), rhs = Counter(3)
-- expression 13 operands: lhs = Counter(1), rhs = Expression(14, Add)
-- expression 14 operands: lhs = Counter(2), rhs = Counter(3)
+- expression 13 operands: lhs = Expression(14, Add), rhs = Counter(1)
+- expression 14 operands: lhs = Counter(0), rhs = Counter(7)
 - expression 15 operands: lhs = Expression(16, Add), rhs = Counter(1)
-- expression 16 operands: lhs = Counter(0), rhs = Counter(7)
-- expression 17 operands: lhs = Expression(18, Add), rhs = Counter(1)
-- expression 18 operands: lhs = Expression(19, Add), rhs = Counter(7)
-- expression 19 operands: lhs = Counter(0), rhs = Counter(6)
+- expression 16 operands: lhs = Expression(17, Add), rhs = Counter(7)
+- expression 17 operands: lhs = Counter(0), rhs = Counter(6)
 Number of file 0 mappings: 20
 - Code(Counter(0)) at (prev + 34, 1) to (start + 1, 9)
 - MCDCDecision { bitmap_idx: 9, conditions_num: 2 } at (prev + 1, 8) to (start + 0, 75)
@@ -149,29 +144,28 @@ Number of file 0 mappings: 20
     false = (c1 - c2)
 - Code(Expression(2, Sub)) at (prev + 0, 21) to (start + 0, 22)
     = (c1 - c2)
-- MCDCBranch { true: Counter(3), false: Expression(13, Sub), condition_id: 2, true_next_id: 0, false_next_id: 0 } at (prev + 0, 21) to (start + 0, 22)
+- MCDCBranch { true: Counter(3), false: Expression(11, Sub), condition_id: 2, true_next_id: 0, false_next_id: 0 } at (prev + 0, 21) to (start + 0, 22)
     true  = c3
     false = (c1 - (c2 + c3))
-- Code(Expression(14, Add)) at (prev + 0, 28) to (start + 0, 29)
+- Code(Expression(12, Add)) at (prev + 0, 28) to (start + 0, 29)
     = (c2 + c3)
 - MCDCDecision { bitmap_idx: 6, conditions_num: 2 } at (prev + 0, 28) to (start + 0, 34)
 - MCDCBranch { true: Counter(4), false: Expression(6, Sub), condition_id: 1, true_next_id: 2, false_next_id: 0 } at (prev + 0, 28) to (start + 0, 29)
     true  = c4
     false = ((c2 + c3) - c4)
 - Code(Counter(4)) at (prev + 0, 33) to (start + 0, 34)
-- MCDCBranch { true: Expression(9, Sub), false: Counter(5), condition_id: 2, true_next_id: 0, false_next_id: 0 } at (prev + 0, 33) to (start + 0, 34)
-    true  = (c4 - c5)
-    false = c5
-- Code(Expression(9, Sub)) at (prev + 0, 37) to (start + 0, 41)
-    = (c4 - c5)
-- Code(Expression(10, Sub)) at (prev + 0, 51) to (start + 0, 56)
-    = (((c2 + c3) + c5) - c4)
-- Code(Expression(13, Sub)) at (prev + 0, 68) to (start + 0, 73)
+- MCDCBranch { true: Counter(5), false: Expression(8, Sub), condition_id: 2, true_next_id: 0, false_next_id: 0 } at (prev + 0, 33) to (start + 0, 34)
+    true  = c5
+    false = (c4 - c5)
+- Code(Counter(5)) at (prev + 0, 37) to (start + 0, 41)
+- Code(Expression(9, Sub)) at (prev + 0, 51) to (start + 0, 56)
+    = ((c2 + c3) - c5)
+- Code(Expression(11, Sub)) at (prev + 0, 68) to (start + 0, 73)
     = (c1 - (c2 + c3))
 - Code(Counter(6)) at (prev + 0, 76) to (start + 2, 6)
-- Code(Expression(15, Sub)) at (prev + 2, 12) to (start + 2, 6)
+- Code(Expression(13, Sub)) at (prev + 2, 12) to (start + 2, 6)
     = ((c0 + c7) - c1)
-- Code(Expression(17, Sub)) at (prev + 3, 1) to (start + 0, 2)
+- Code(Expression(15, Sub)) at (prev + 3, 1) to (start + 0, 2)
     = (((c0 + c6) + c7) - c1)
 Highest counter ID seen: c7
 
diff --git a/tests/coverage/mcdc/non_control_flow.cov-map b/tests/coverage/mcdc/non_control_flow.cov-map
index 0edeff9a586..c282d53c5ac 100644
--- a/tests/coverage/mcdc/non_control_flow.cov-map
+++ b/tests/coverage/mcdc/non_control_flow.cov-map
@@ -1,124 +1,107 @@
 Function name: non_control_flow::assign_3
-Raw bytes (89): 0x[01, 01, 09, 07, 11, 0b, 0d, 05, 09, 01, 05, 01, 05, 01, 23, 05, 11, 01, 23, 05, 11, 0a, 01, 16, 01, 00, 28, 03, 01, 09, 00, 0a, 01, 00, 0d, 00, 0e, 28, 04, 03, 00, 0d, 00, 18, 30, 05, 12, 01, 00, 02, 00, 0d, 00, 0e, 12, 00, 12, 00, 13, 30, 1e, 11, 02, 03, 00, 00, 12, 00, 13, 1e, 00, 17, 00, 18, 30, 09, 0d, 03, 00, 00, 00, 17, 00, 18, 03, 01, 05, 01, 02]
+Raw bytes (79): 0x[01, 01, 04, 01, 05, 01, 0b, 05, 09, 09, 0d, 0a, 01, 16, 01, 00, 28, 01, 01, 09, 00, 0a, 01, 00, 0d, 00, 0e, 28, 04, 03, 00, 0d, 00, 18, 30, 05, 02, 01, 00, 02, 00, 0d, 00, 0e, 02, 00, 12, 00, 13, 30, 09, 06, 02, 03, 00, 00, 12, 00, 13, 09, 00, 17, 00, 18, 30, 0d, 0e, 03, 00, 00, 00, 17, 00, 18, 01, 01, 05, 01, 02]
 Number of files: 1
 - file 0 => global file 1
-Number of expressions: 9
-- expression 0 operands: lhs = Expression(1, Add), rhs = Counter(4)
-- expression 1 operands: lhs = Expression(2, Add), rhs = Counter(3)
+Number of expressions: 4
+- expression 0 operands: lhs = Counter(0), rhs = Counter(1)
+- expression 1 operands: lhs = Counter(0), rhs = Expression(2, Add)
 - expression 2 operands: lhs = Counter(1), rhs = Counter(2)
-- expression 3 operands: lhs = Counter(0), rhs = Counter(1)
-- expression 4 operands: lhs = Counter(0), rhs = Counter(1)
-- expression 5 operands: lhs = Counter(0), rhs = Expression(8, Add)
-- expression 6 operands: lhs = Counter(1), rhs = Counter(4)
-- expression 7 operands: lhs = Counter(0), rhs = Expression(8, Add)
-- expression 8 operands: lhs = Counter(1), rhs = Counter(4)
+- expression 3 operands: lhs = Counter(2), rhs = Counter(3)
 Number of file 0 mappings: 10
 - Code(Counter(0)) at (prev + 22, 1) to (start + 0, 40)
-- Code(Expression(0, Add)) at (prev + 1, 9) to (start + 0, 10)
-    = (((c1 + c2) + c3) + c4)
+- Code(Counter(0)) at (prev + 1, 9) to (start + 0, 10)
 - Code(Counter(0)) at (prev + 0, 13) to (start + 0, 14)
 - MCDCDecision { bitmap_idx: 4, conditions_num: 3 } at (prev + 0, 13) to (start + 0, 24)
-- MCDCBranch { true: Counter(1), false: Expression(4, Sub), condition_id: 1, true_next_id: 0, false_next_id: 2 } at (prev + 0, 13) to (start + 0, 14)
+- MCDCBranch { true: Counter(1), false: Expression(0, Sub), condition_id: 1, true_next_id: 0, false_next_id: 2 } at (prev + 0, 13) to (start + 0, 14)
     true  = c1
     false = (c0 - c1)
-- Code(Expression(4, Sub)) at (prev + 0, 18) to (start + 0, 19)
+- Code(Expression(0, Sub)) at (prev + 0, 18) to (start + 0, 19)
     = (c0 - c1)
-- MCDCBranch { true: Expression(7, Sub), false: Counter(4), condition_id: 2, true_next_id: 3, false_next_id: 0 } at (prev + 0, 18) to (start + 0, 19)
-    true  = (c0 - (c1 + c4))
-    false = c4
-- Code(Expression(7, Sub)) at (prev + 0, 23) to (start + 0, 24)
-    = (c0 - (c1 + c4))
-- MCDCBranch { true: Counter(2), false: Counter(3), condition_id: 3, true_next_id: 0, false_next_id: 0 } at (prev + 0, 23) to (start + 0, 24)
+- MCDCBranch { true: Counter(2), false: Expression(1, Sub), condition_id: 2, true_next_id: 3, false_next_id: 0 } at (prev + 0, 18) to (start + 0, 19)
     true  = c2
-    false = c3
-- Code(Expression(0, Add)) at (prev + 1, 5) to (start + 1, 2)
-    = (((c1 + c2) + c3) + c4)
-Highest counter ID seen: c4
+    false = (c0 - (c1 + c2))
+- Code(Counter(2)) at (prev + 0, 23) to (start + 0, 24)
+- MCDCBranch { true: Counter(3), false: Expression(3, Sub), condition_id: 3, true_next_id: 0, false_next_id: 0 } at (prev + 0, 23) to (start + 0, 24)
+    true  = c3
+    false = (c2 - c3)
+- Code(Counter(0)) at (prev + 1, 5) to (start + 1, 2)
+Highest counter ID seen: c3
 
 Function name: non_control_flow::assign_3_bis
-Raw bytes (81): 0x[01, 01, 05, 07, 11, 09, 0d, 01, 05, 05, 09, 01, 09, 0a, 01, 1b, 01, 00, 2c, 03, 01, 09, 00, 0a, 01, 00, 0d, 00, 0e, 28, 05, 03, 00, 0d, 00, 18, 30, 05, 0a, 01, 03, 02, 00, 0d, 00, 0e, 05, 00, 12, 00, 13, 30, 09, 0e, 03, 00, 02, 00, 12, 00, 13, 12, 00, 17, 00, 18, 30, 0d, 11, 02, 00, 00, 00, 17, 00, 18, 03, 01, 05, 01, 02]
+Raw bytes (81): 0x[01, 01, 05, 01, 05, 05, 09, 01, 09, 01, 13, 09, 0d, 0a, 01, 1b, 01, 00, 2c, 01, 01, 09, 00, 0a, 01, 00, 0d, 00, 0e, 28, 05, 03, 00, 0d, 00, 18, 30, 05, 02, 01, 03, 02, 00, 0d, 00, 0e, 05, 00, 12, 00, 13, 30, 09, 06, 03, 00, 02, 00, 12, 00, 13, 0a, 00, 17, 00, 18, 30, 0d, 0e, 02, 00, 00, 00, 17, 00, 18, 01, 01, 05, 01, 02]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 5
-- expression 0 operands: lhs = Expression(1, Add), rhs = Counter(4)
-- expression 1 operands: lhs = Counter(2), rhs = Counter(3)
-- expression 2 operands: lhs = Counter(0), rhs = Counter(1)
-- expression 3 operands: lhs = Counter(1), rhs = Counter(2)
-- expression 4 operands: lhs = Counter(0), rhs = Counter(2)
+- expression 0 operands: lhs = Counter(0), rhs = Counter(1)
+- expression 1 operands: lhs = Counter(1), rhs = Counter(2)
+- expression 2 operands: lhs = Counter(0), rhs = Counter(2)
+- expression 3 operands: lhs = Counter(0), rhs = Expression(4, Add)
+- expression 4 operands: lhs = Counter(2), rhs = Counter(3)
 Number of file 0 mappings: 10
 - Code(Counter(0)) at (prev + 27, 1) to (start + 0, 44)
-- Code(Expression(0, Add)) at (prev + 1, 9) to (start + 0, 10)
-    = ((c2 + c3) + c4)
+- Code(Counter(0)) at (prev + 1, 9) to (start + 0, 10)
 - Code(Counter(0)) at (prev + 0, 13) to (start + 0, 14)
 - MCDCDecision { bitmap_idx: 5, conditions_num: 3 } at (prev + 0, 13) to (start + 0, 24)
-- MCDCBranch { true: Counter(1), false: Expression(2, Sub), condition_id: 1, true_next_id: 3, false_next_id: 2 } at (prev + 0, 13) to (start + 0, 14)
+- MCDCBranch { true: Counter(1), false: Expression(0, Sub), condition_id: 1, true_next_id: 3, false_next_id: 2 } at (prev + 0, 13) to (start + 0, 14)
     true  = c1
     false = (c0 - c1)
 - Code(Counter(1)) at (prev + 0, 18) to (start + 0, 19)
-- MCDCBranch { true: Counter(2), false: Expression(3, Sub), condition_id: 3, true_next_id: 0, false_next_id: 2 } at (prev + 0, 18) to (start + 0, 19)
+- MCDCBranch { true: Counter(2), false: Expression(1, Sub), condition_id: 3, true_next_id: 0, false_next_id: 2 } at (prev + 0, 18) to (start + 0, 19)
     true  = c2
     false = (c1 - c2)
-- Code(Expression(4, Sub)) at (prev + 0, 23) to (start + 0, 24)
+- Code(Expression(2, Sub)) at (prev + 0, 23) to (start + 0, 24)
     = (c0 - c2)
-- MCDCBranch { true: Counter(3), false: Counter(4), condition_id: 2, true_next_id: 0, false_next_id: 0 } at (prev + 0, 23) to (start + 0, 24)
+- MCDCBranch { true: Counter(3), false: Expression(3, Sub), condition_id: 2, true_next_id: 0, false_next_id: 0 } at (prev + 0, 23) to (start + 0, 24)
     true  = c3
-    false = c4
-- Code(Expression(0, Add)) at (prev + 1, 5) to (start + 1, 2)
-    = ((c2 + c3) + c4)
-Highest counter ID seen: c4
+    false = (c0 - (c2 + c3))
+- Code(Counter(0)) at (prev + 1, 5) to (start + 1, 2)
+Highest counter ID seen: c3
 
 Function name: non_control_flow::assign_and
-Raw bytes (64): 0x[01, 01, 04, 07, 05, 0b, 0d, 01, 09, 01, 05, 08, 01, 0c, 01, 00, 21, 02, 01, 09, 00, 0a, 01, 00, 0d, 00, 0e, 28, 03, 02, 00, 0d, 00, 13, 30, 05, 0e, 01, 02, 00, 00, 0d, 00, 0e, 05, 00, 12, 00, 13, 30, 09, 0d, 02, 00, 00, 00, 12, 00, 13, 02, 01, 05, 01, 02]
+Raw bytes (60): 0x[01, 01, 02, 01, 05, 05, 09, 08, 01, 0c, 01, 00, 21, 01, 01, 09, 00, 0a, 01, 00, 0d, 00, 0e, 28, 03, 02, 00, 0d, 00, 13, 30, 05, 02, 01, 02, 00, 00, 0d, 00, 0e, 05, 00, 12, 00, 13, 30, 09, 06, 02, 00, 00, 00, 12, 00, 13, 01, 01, 05, 01, 02]
 Number of files: 1
 - file 0 => global file 1
-Number of expressions: 4
-- expression 0 operands: lhs = Expression(1, Add), rhs = Counter(1)
-- expression 1 operands: lhs = Expression(2, Add), rhs = Counter(3)
-- expression 2 operands: lhs = Counter(0), rhs = Counter(2)
-- expression 3 operands: lhs = Counter(0), rhs = Counter(1)
+Number of expressions: 2
+- expression 0 operands: lhs = Counter(0), rhs = Counter(1)
+- expression 1 operands: lhs = Counter(1), rhs = Counter(2)
 Number of file 0 mappings: 8
 - Code(Counter(0)) at (prev + 12, 1) to (start + 0, 33)
-- Code(Expression(0, Sub)) at (prev + 1, 9) to (start + 0, 10)
-    = (((c0 + c2) + c3) - c1)
+- Code(Counter(0)) at (prev + 1, 9) to (start + 0, 10)
 - Code(Counter(0)) at (prev + 0, 13) to (start + 0, 14)
 - MCDCDecision { bitmap_idx: 3, conditions_num: 2 } at (prev + 0, 13) to (start + 0, 19)
-- MCDCBranch { true: Counter(1), false: Expression(3, Sub), condition_id: 1, true_next_id: 2, false_next_id: 0 } at (prev + 0, 13) to (start + 0, 14)
+- MCDCBranch { true: Counter(1), false: Expression(0, Sub), condition_id: 1, true_next_id: 2, false_next_id: 0 } at (prev + 0, 13) to (start + 0, 14)
     true  = c1
     false = (c0 - c1)
 - Code(Counter(1)) at (prev + 0, 18) to (start + 0, 19)
-- MCDCBranch { true: Counter(2), false: Counter(3), condition_id: 2, true_next_id: 0, false_next_id: 0 } at (prev + 0, 18) to (start + 0, 19)
+- MCDCBranch { true: Counter(2), false: Expression(1, Sub), condition_id: 2, true_next_id: 0, false_next_id: 0 } at (prev + 0, 18) to (start + 0, 19)
     true  = c2
-    false = c3
-- Code(Expression(0, Sub)) at (prev + 1, 5) to (start + 1, 2)
-    = (((c0 + c2) + c3) - c1)
-Highest counter ID seen: c3
+    false = (c1 - c2)
+- Code(Counter(0)) at (prev + 1, 5) to (start + 1, 2)
+Highest counter ID seen: c2
 
 Function name: non_control_flow::assign_or
-Raw bytes (64): 0x[01, 01, 04, 07, 0d, 05, 09, 01, 05, 01, 05, 08, 01, 11, 01, 00, 20, 03, 01, 09, 00, 0a, 01, 00, 0d, 00, 0e, 28, 03, 02, 00, 0d, 00, 13, 30, 05, 0e, 01, 00, 02, 00, 0d, 00, 0e, 0e, 00, 12, 00, 13, 30, 09, 0d, 02, 00, 00, 00, 12, 00, 13, 03, 01, 05, 01, 02]
+Raw bytes (62): 0x[01, 01, 03, 01, 05, 01, 0b, 05, 09, 08, 01, 11, 01, 00, 20, 01, 01, 09, 00, 0a, 01, 00, 0d, 00, 0e, 28, 03, 02, 00, 0d, 00, 13, 30, 05, 02, 01, 00, 02, 00, 0d, 00, 0e, 02, 00, 12, 00, 13, 30, 09, 06, 02, 00, 00, 00, 12, 00, 13, 01, 01, 05, 01, 02]
 Number of files: 1
 - file 0 => global file 1
-Number of expressions: 4
-- expression 0 operands: lhs = Expression(1, Add), rhs = Counter(3)
-- expression 1 operands: lhs = Counter(1), rhs = Counter(2)
-- expression 2 operands: lhs = Counter(0), rhs = Counter(1)
-- expression 3 operands: lhs = Counter(0), rhs = Counter(1)
+Number of expressions: 3
+- expression 0 operands: lhs = Counter(0), rhs = Counter(1)
+- expression 1 operands: lhs = Counter(0), rhs = Expression(2, Add)
+- expression 2 operands: lhs = Counter(1), rhs = Counter(2)
 Number of file 0 mappings: 8
 - Code(Counter(0)) at (prev + 17, 1) to (start + 0, 32)
-- Code(Expression(0, Add)) at (prev + 1, 9) to (start + 0, 10)
-    = ((c1 + c2) + c3)
+- Code(Counter(0)) at (prev + 1, 9) to (start + 0, 10)
 - Code(Counter(0)) at (prev + 0, 13) to (start + 0, 14)
 - MCDCDecision { bitmap_idx: 3, conditions_num: 2 } at (prev + 0, 13) to (start + 0, 19)
-- MCDCBranch { true: Counter(1), false: Expression(3, Sub), condition_id: 1, true_next_id: 0, false_next_id: 2 } at (prev + 0, 13) to (start + 0, 14)
+- MCDCBranch { true: Counter(1), false: Expression(0, Sub), condition_id: 1, true_next_id: 0, false_next_id: 2 } at (prev + 0, 13) to (start + 0, 14)
     true  = c1
     false = (c0 - c1)
-- Code(Expression(3, Sub)) at (prev + 0, 18) to (start + 0, 19)
+- Code(Expression(0, Sub)) at (prev + 0, 18) to (start + 0, 19)
     = (c0 - c1)
-- MCDCBranch { true: Counter(2), false: Counter(3), condition_id: 2, true_next_id: 0, false_next_id: 0 } at (prev + 0, 18) to (start + 0, 19)
+- MCDCBranch { true: Counter(2), false: Expression(1, Sub), condition_id: 2, true_next_id: 0, false_next_id: 0 } at (prev + 0, 18) to (start + 0, 19)
     true  = c2
-    false = c3
-- Code(Expression(0, Add)) at (prev + 1, 5) to (start + 1, 2)
-    = ((c1 + c2) + c3)
-Highest counter ID seen: c3
+    false = (c0 - (c1 + c2))
+- Code(Counter(0)) at (prev + 1, 5) to (start + 1, 2)
+Highest counter ID seen: c2
 
 Function name: non_control_flow::foo
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 25, 01, 02, 02]
@@ -130,14 +113,12 @@ Number of file 0 mappings: 1
 Highest counter ID seen: c0
 
 Function name: non_control_flow::func_call
-Raw bytes (54): 0x[01, 01, 04, 01, 05, 0b, 05, 0f, 0d, 01, 09, 06, 01, 29, 01, 01, 0a, 28, 03, 02, 01, 09, 00, 0f, 30, 05, 02, 01, 02, 00, 00, 09, 00, 0a, 05, 00, 0e, 00, 0f, 30, 09, 0d, 02, 00, 00, 00, 0e, 00, 0f, 06, 01, 01, 00, 02]
+Raw bytes (50): 0x[01, 01, 02, 01, 05, 05, 09, 06, 01, 29, 01, 01, 0a, 28, 03, 02, 01, 09, 00, 0f, 30, 05, 02, 01, 02, 00, 00, 09, 00, 0a, 05, 00, 0e, 00, 0f, 30, 09, 06, 02, 00, 00, 00, 0e, 00, 0f, 01, 01, 01, 00, 02]
 Number of files: 1
 - file 0 => global file 1
-Number of expressions: 4
+Number of expressions: 2
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
-- expression 1 operands: lhs = Expression(2, Add), rhs = Counter(1)
-- expression 2 operands: lhs = Expression(3, Add), rhs = Counter(3)
-- expression 3 operands: lhs = Counter(0), rhs = Counter(2)
+- expression 1 operands: lhs = Counter(1), rhs = Counter(2)
 Number of file 0 mappings: 6
 - Code(Counter(0)) at (prev + 41, 1) to (start + 1, 10)
 - MCDCDecision { bitmap_idx: 3, conditions_num: 2 } at (prev + 1, 9) to (start + 0, 15)
@@ -145,66 +126,46 @@ Number of file 0 mappings: 6
     true  = c1
     false = (c0 - c1)
 - Code(Counter(1)) at (prev + 0, 14) to (start + 0, 15)
-- MCDCBranch { true: Counter(2), false: Counter(3), condition_id: 2, true_next_id: 0, false_next_id: 0 } at (prev + 0, 14) to (start + 0, 15)
+- MCDCBranch { true: Counter(2), false: Expression(1, Sub), condition_id: 2, true_next_id: 0, false_next_id: 0 } at (prev + 0, 14) to (start + 0, 15)
     true  = c2
-    false = c3
-- Code(Expression(1, Sub)) at (prev + 1, 1) to (start + 0, 2)
-    = (((c0 + c2) + c3) - c1)
-Highest counter ID seen: c3
+    false = (c1 - c2)
+- Code(Counter(0)) at (prev + 1, 1) to (start + 0, 2)
+Highest counter ID seen: c2
 
 Function name: non_control_flow::right_comb_tree
-Raw bytes (139): 0x[01, 01, 13, 07, 05, 0b, 19, 0f, 15, 13, 11, 17, 0d, 01, 09, 01, 05, 05, 09, 05, 09, 05, 4b, 09, 0d, 05, 4b, 09, 0d, 05, 47, 4b, 11, 09, 0d, 05, 47, 4b, 11, 09, 0d, 0e, 01, 20, 01, 00, 41, 02, 01, 09, 00, 0a, 01, 00, 0d, 00, 0e, 28, 06, 05, 00, 0d, 00, 2a, 30, 05, 1a, 01, 02, 00, 00, 0d, 00, 0e, 05, 00, 13, 00, 14, 30, 22, 09, 02, 03, 00, 00, 13, 00, 14, 22, 00, 19, 00, 1a, 30, 2e, 0d, 03, 04, 00, 00, 19, 00, 1a, 2e, 00, 1f, 00, 20, 30, 42, 11, 04, 05, 00, 00, 1f, 00, 20, 42, 00, 24, 00, 27, 30, 15, 19, 05, 00, 00, 00, 24, 00, 27, 02, 01, 05, 01, 02]
+Raw bytes (111): 0x[01, 01, 05, 01, 05, 05, 09, 09, 0d, 0d, 11, 11, 15, 0e, 01, 20, 01, 00, 41, 01, 01, 09, 00, 0a, 01, 00, 0d, 00, 0e, 28, 06, 05, 00, 0d, 00, 2a, 30, 05, 02, 01, 02, 00, 00, 0d, 00, 0e, 05, 00, 13, 00, 14, 30, 09, 06, 02, 03, 00, 00, 13, 00, 14, 09, 00, 19, 00, 1a, 30, 0d, 0a, 03, 04, 00, 00, 19, 00, 1a, 0d, 00, 1f, 00, 20, 30, 11, 0e, 04, 05, 00, 00, 1f, 00, 20, 11, 00, 24, 00, 27, 30, 15, 12, 05, 00, 00, 00, 24, 00, 27, 01, 01, 05, 01, 02]
 Number of files: 1
 - file 0 => global file 1
-Number of expressions: 19
-- expression 0 operands: lhs = Expression(1, Add), rhs = Counter(1)
-- expression 1 operands: lhs = Expression(2, Add), rhs = Counter(6)
-- expression 2 operands: lhs = Expression(3, Add), rhs = Counter(5)
-- expression 3 operands: lhs = Expression(4, Add), rhs = Counter(4)
-- expression 4 operands: lhs = Expression(5, Add), rhs = Counter(3)
-- expression 5 operands: lhs = Counter(0), rhs = Counter(2)
-- expression 6 operands: lhs = Counter(0), rhs = Counter(1)
-- expression 7 operands: lhs = Counter(1), rhs = Counter(2)
-- expression 8 operands: lhs = Counter(1), rhs = Counter(2)
-- expression 9 operands: lhs = Counter(1), rhs = Expression(18, Add)
-- expression 10 operands: lhs = Counter(2), rhs = Counter(3)
-- expression 11 operands: lhs = Counter(1), rhs = Expression(18, Add)
-- expression 12 operands: lhs = Counter(2), rhs = Counter(3)
-- expression 13 operands: lhs = Counter(1), rhs = Expression(17, Add)
-- expression 14 operands: lhs = Expression(18, Add), rhs = Counter(4)
-- expression 15 operands: lhs = Counter(2), rhs = Counter(3)
-- expression 16 operands: lhs = Counter(1), rhs = Expression(17, Add)
-- expression 17 operands: lhs = Expression(18, Add), rhs = Counter(4)
-- expression 18 operands: lhs = Counter(2), rhs = Counter(3)
+Number of expressions: 5
+- expression 0 operands: lhs = Counter(0), rhs = Counter(1)
+- expression 1 operands: lhs = Counter(1), rhs = Counter(2)
+- expression 2 operands: lhs = Counter(2), rhs = Counter(3)
+- expression 3 operands: lhs = Counter(3), rhs = Counter(4)
+- expression 4 operands: lhs = Counter(4), rhs = Counter(5)
 Number of file 0 mappings: 14
 - Code(Counter(0)) at (prev + 32, 1) to (start + 0, 65)
-- Code(Expression(0, Sub)) at (prev + 1, 9) to (start + 0, 10)
-    = ((((((c0 + c2) + c3) + c4) + c5) + c6) - c1)
+- Code(Counter(0)) at (prev + 1, 9) to (start + 0, 10)
 - Code(Counter(0)) at (prev + 0, 13) to (start + 0, 14)
 - MCDCDecision { bitmap_idx: 6, conditions_num: 5 } at (prev + 0, 13) to (start + 0, 42)
-- MCDCBranch { true: Counter(1), false: Expression(6, Sub), condition_id: 1, true_next_id: 2, false_next_id: 0 } at (prev + 0, 13) to (start + 0, 14)
+- MCDCBranch { true: Counter(1), false: Expression(0, Sub), condition_id: 1, true_next_id: 2, false_next_id: 0 } at (prev + 0, 13) to (start + 0, 14)
     true  = c1
     false = (c0 - c1)
 - Code(Counter(1)) at (prev + 0, 19) to (start + 0, 20)
-- MCDCBranch { true: Expression(8, Sub), false: Counter(2), condition_id: 2, true_next_id: 3, false_next_id: 0 } at (prev + 0, 19) to (start + 0, 20)
-    true  = (c1 - c2)
-    false = c2
-- Code(Expression(8, Sub)) at (prev + 0, 25) to (start + 0, 26)
-    = (c1 - c2)
-- MCDCBranch { true: Expression(11, Sub), false: Counter(3), condition_id: 3, true_next_id: 4, false_next_id: 0 } at (prev + 0, 25) to (start + 0, 26)
-    true  = (c1 - (c2 + c3))
-    false = c3
-- Code(Expression(11, Sub)) at (prev + 0, 31) to (start + 0, 32)
-    = (c1 - (c2 + c3))
-- MCDCBranch { true: Expression(16, Sub), false: Counter(4), condition_id: 4, true_next_id: 5, false_next_id: 0 } at (prev + 0, 31) to (start + 0, 32)
-    true  = (c1 - ((c2 + c3) + c4))
-    false = c4
-- Code(Expression(16, Sub)) at (prev + 0, 36) to (start + 0, 39)
-    = (c1 - ((c2 + c3) + c4))
-- MCDCBranch { true: Counter(5), false: Counter(6), condition_id: 5, true_next_id: 0, false_next_id: 0 } at (prev + 0, 36) to (start + 0, 39)
+- MCDCBranch { true: Counter(2), false: Expression(1, Sub), condition_id: 2, true_next_id: 3, false_next_id: 0 } at (prev + 0, 19) to (start + 0, 20)
+    true  = c2
+    false = (c1 - c2)
+- Code(Counter(2)) at (prev + 0, 25) to (start + 0, 26)
+- MCDCBranch { true: Counter(3), false: Expression(2, Sub), condition_id: 3, true_next_id: 4, false_next_id: 0 } at (prev + 0, 25) to (start + 0, 26)
+    true  = c3
+    false = (c2 - c3)
+- Code(Counter(3)) at (prev + 0, 31) to (start + 0, 32)
+- MCDCBranch { true: Counter(4), false: Expression(3, Sub), condition_id: 4, true_next_id: 5, false_next_id: 0 } at (prev + 0, 31) to (start + 0, 32)
+    true  = c4
+    false = (c3 - c4)
+- Code(Counter(4)) at (prev + 0, 36) to (start + 0, 39)
+- MCDCBranch { true: Counter(5), false: Expression(4, Sub), condition_id: 5, true_next_id: 0, false_next_id: 0 } at (prev + 0, 36) to (start + 0, 39)
     true  = c5
-    false = c6
-- Code(Expression(0, Sub)) at (prev + 1, 5) to (start + 1, 2)
-    = ((((((c0 + c2) + c3) + c4) + c5) + c6) - c1)
-Highest counter ID seen: c6
+    false = (c4 - c5)
+- Code(Counter(0)) at (prev + 1, 5) to (start + 1, 2)
+Highest counter ID seen: c5
 
diff --git a/tests/coverage/try_error_result.cov-map b/tests/coverage/try_error_result.cov-map
index 7fbd2cc642e..f90b73592bd 100644
--- a/tests/coverage/try_error_result.cov-map
+++ b/tests/coverage/try_error_result.cov-map
@@ -55,18 +55,15 @@ Number of file 0 mappings: 4
 Highest counter ID seen: c1
 
 Function name: try_error_result::test1
-Raw bytes (75): 0x[01, 01, 08, 07, 09, 01, 00, 03, 0d, 03, 13, 0d, 11, 1b, 00, 1f, 00, 0d, 15, 0b, 01, 0d, 01, 02, 17, 03, 07, 09, 00, 0e, 0a, 02, 09, 04, 1a, 11, 06, 0d, 00, 29, 15, 00, 29, 00, 2a, 00, 01, 0d, 00, 2a, 00, 00, 2a, 00, 2b, 0e, 04, 0d, 00, 2a, 00, 00, 2a, 00, 2b, 0d, 03, 05, 00, 0b, 17, 01, 01, 00, 02]
+Raw bytes (69): 0x[01, 01, 05, 07, 09, 01, 00, 03, 0d, 03, 13, 0d, 11, 0b, 01, 0d, 01, 02, 17, 03, 07, 09, 00, 0e, 0a, 02, 09, 04, 1a, 11, 06, 0d, 00, 29, 15, 00, 29, 00, 2a, 00, 01, 0d, 00, 2a, 00, 00, 2a, 00, 2b, 0e, 04, 0d, 00, 2a, 00, 00, 2a, 00, 2b, 0d, 03, 05, 00, 0b, 01, 01, 01, 00, 02]
 Number of files: 1
 - file 0 => global file 1
-Number of expressions: 8
+Number of expressions: 5
 - expression 0 operands: lhs = Expression(1, Add), rhs = Counter(2)
 - expression 1 operands: lhs = Counter(0), rhs = Zero
 - expression 2 operands: lhs = Expression(0, Add), rhs = Counter(3)
 - expression 3 operands: lhs = Expression(0, Add), rhs = Expression(4, Add)
 - expression 4 operands: lhs = Counter(3), rhs = Counter(4)
-- expression 5 operands: lhs = Expression(6, Add), rhs = Zero
-- expression 6 operands: lhs = Expression(7, Add), rhs = Zero
-- expression 7 operands: lhs = Counter(3), rhs = Counter(5)
 Number of file 0 mappings: 11
 - Code(Counter(0)) at (prev + 13, 1) to (start + 2, 23)
 - Code(Expression(0, Add)) at (prev + 7, 9) to (start + 0, 14)
@@ -81,8 +78,7 @@ Number of file 0 mappings: 11
     = (((c0 + Zero) + c2) - (c3 + c4))
 - Code(Zero) at (prev + 0, 42) to (start + 0, 43)
 - Code(Counter(3)) at (prev + 3, 5) to (start + 0, 11)
-- Code(Expression(5, Add)) at (prev + 1, 1) to (start + 0, 2)
-    = (((c3 + c5) + Zero) + Zero)
+- Code(Counter(0)) at (prev + 1, 1) to (start + 0, 2)
 Highest counter ID seen: c5
 
 Function name: try_error_result::test2
diff --git a/tests/coverage/unicode.cov-map b/tests/coverage/unicode.cov-map
index 630ab4ce47e..0a4e367bb9e 100644
--- a/tests/coverage/unicode.cov-map
+++ b/tests/coverage/unicode.cov-map
@@ -1,14 +1,10 @@
 Function name: unicode::main
-Raw bytes (61): 0x[01, 01, 06, 01, 05, 0b, 09, 01, 11, 13, 09, 17, 11, 01, 0d, 09, 01, 0e, 01, 00, 0b, 05, 01, 09, 00, 0c, 03, 00, 10, 00, 1b, 05, 00, 1c, 00, 28, 01, 02, 08, 00, 25, 09, 00, 29, 00, 46, 0d, 00, 47, 02, 06, 06, 02, 05, 00, 06, 0e, 02, 05, 01, 02]
+Raw bytes (53): 0x[01, 01, 02, 01, 05, 01, 0d, 09, 01, 0e, 01, 00, 0b, 05, 01, 09, 00, 0c, 03, 00, 10, 00, 1b, 05, 00, 1c, 00, 28, 01, 02, 08, 00, 25, 09, 00, 29, 00, 46, 0d, 00, 47, 02, 06, 06, 02, 05, 00, 06, 01, 02, 05, 01, 02]
 Number of files: 1
 - file 0 => global file 1
-Number of expressions: 6
+Number of expressions: 2
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
-- expression 1 operands: lhs = Expression(2, Add), rhs = Counter(2)
-- expression 2 operands: lhs = Counter(0), rhs = Counter(4)
-- expression 3 operands: lhs = Expression(4, Add), rhs = Counter(2)
-- expression 4 operands: lhs = Expression(5, Add), rhs = Counter(4)
-- expression 5 operands: lhs = Counter(0), rhs = Counter(3)
+- expression 1 operands: lhs = Counter(0), rhs = Counter(3)
 Number of file 0 mappings: 9
 - Code(Counter(0)) at (prev + 14, 1) to (start + 0, 11)
 - Code(Counter(1)) at (prev + 1, 9) to (start + 0, 12)
@@ -19,9 +15,8 @@ Number of file 0 mappings: 9
 - Code(Counter(2)) at (prev + 0, 41) to (start + 0, 70)
 - Code(Counter(3)) at (prev + 0, 71) to (start + 2, 6)
 - Code(Expression(1, Sub)) at (prev + 2, 5) to (start + 0, 6)
-    = ((c0 + c4) - c2)
-- Code(Expression(3, Sub)) at (prev + 2, 5) to (start + 1, 2)
-    = (((c0 + c3) + c4) - c2)
+    = (c0 - c3)
+- Code(Counter(0)) at (prev + 2, 5) to (start + 1, 2)
 Highest counter ID seen: c3
 
 Function name: unicode::ä»– (unused)
diff --git a/tests/coverage/while_early_ret.cov-map b/tests/coverage/while_early_ret.cov-map
index ade770597e2..554056fa801 100644
--- a/tests/coverage/while_early_ret.cov-map
+++ b/tests/coverage/while_early_ret.cov-map
@@ -1,12 +1,12 @@
 Function name: while_early_ret::main
-Raw bytes (59): 0x[01, 01, 05, 01, 05, 03, 09, 01, 09, 13, 11, 09, 0d, 09, 01, 05, 01, 01, 1b, 03, 03, 09, 02, 0a, 06, 05, 0d, 02, 0e, 0a, 06, 15, 02, 16, 0d, 04, 15, 00, 1b, 11, 04, 15, 00, 1b, 05, 03, 0a, 03, 0a, 09, 06, 05, 00, 0b, 0f, 01, 01, 00, 02]
+Raw bytes (59): 0x[01, 01, 05, 01, 05, 03, 09, 01, 09, 01, 13, 09, 0d, 09, 01, 05, 01, 01, 1b, 03, 03, 09, 02, 0a, 06, 05, 0d, 02, 0e, 0a, 06, 15, 02, 16, 0d, 04, 15, 00, 1b, 0e, 04, 15, 00, 1b, 05, 03, 0a, 03, 0a, 09, 06, 05, 00, 0b, 01, 01, 01, 00, 02]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 5
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 - expression 1 operands: lhs = Expression(0, Add), rhs = Counter(2)
 - expression 2 operands: lhs = Counter(0), rhs = Counter(2)
-- expression 3 operands: lhs = Expression(4, Add), rhs = Counter(4)
+- expression 3 operands: lhs = Counter(0), rhs = Expression(4, Add)
 - expression 4 operands: lhs = Counter(2), rhs = Counter(3)
 Number of file 0 mappings: 9
 - Code(Counter(0)) at (prev + 5, 1) to (start + 1, 27)
@@ -17,10 +17,10 @@ Number of file 0 mappings: 9
 - Code(Expression(2, Sub)) at (prev + 6, 21) to (start + 2, 22)
     = (c0 - c2)
 - Code(Counter(3)) at (prev + 4, 21) to (start + 0, 27)
-- Code(Counter(4)) at (prev + 4, 21) to (start + 0, 27)
+- Code(Expression(3, Sub)) at (prev + 4, 21) to (start + 0, 27)
+    = (c0 - (c2 + c3))
 - Code(Counter(1)) at (prev + 3, 10) to (start + 3, 10)
 - Code(Counter(2)) at (prev + 6, 5) to (start + 0, 11)
-- Code(Expression(3, Add)) at (prev + 1, 1) to (start + 0, 2)
-    = ((c2 + c3) + c4)
-Highest counter ID seen: c4
+- Code(Counter(0)) at (prev + 1, 1) to (start + 0, 2)
+Highest counter ID seen: c3
 
diff --git a/tests/coverage/yield.cov-map b/tests/coverage/yield.cov-map
index e01ec8f9edb..868fec4b107 100644
--- a/tests/coverage/yield.cov-map
+++ b/tests/coverage/yield.cov-map
@@ -1,19 +1,13 @@
 Function name: yield::main
-Raw bytes (106): 0x[01, 01, 0b, 05, 00, 0d, 11, 0d, 23, 11, 15, 11, 15, 0d, 23, 11, 15, 0d, 23, 11, 15, 19, 1d, 25, 29, 10, 01, 07, 01, 01, 16, 01, 07, 0b, 00, 2e, 0d, 01, 27, 00, 29, 03, 01, 0e, 00, 34, 0d, 02, 0b, 00, 2e, 06, 01, 22, 00, 27, 1e, 00, 2c, 00, 2e, 23, 01, 0e, 00, 34, 1e, 03, 09, 00, 16, 1e, 08, 0b, 00, 2e, 21, 01, 27, 00, 29, 27, 01, 0e, 00, 34, 21, 02, 0b, 00, 2e, 2d, 01, 27, 00, 29, 2b, 01, 0e, 00, 34, 2d, 02, 01, 00, 02]
+Raw bytes (94): 0x[01, 01, 05, 05, 00, 0d, 15, 0d, 11, 19, 1d, 25, 29, 10, 01, 07, 01, 01, 16, 01, 07, 0b, 00, 2e, 0d, 01, 27, 00, 29, 03, 01, 0e, 00, 34, 0d, 02, 0b, 00, 2e, 06, 01, 22, 00, 27, 11, 00, 2c, 00, 2e, 0a, 01, 0e, 00, 34, 11, 03, 09, 00, 16, 11, 08, 0b, 00, 2e, 21, 01, 27, 00, 29, 0f, 01, 0e, 00, 34, 21, 02, 0b, 00, 2e, 2d, 01, 27, 00, 29, 13, 01, 0e, 00, 34, 2d, 02, 01, 00, 02]
 Number of files: 1
 - file 0 => global file 1
-Number of expressions: 11
+Number of expressions: 5
 - expression 0 operands: lhs = Counter(1), rhs = Zero
-- expression 1 operands: lhs = Counter(3), rhs = Counter(4)
-- expression 2 operands: lhs = Counter(3), rhs = Expression(8, Add)
-- expression 3 operands: lhs = Counter(4), rhs = Counter(5)
-- expression 4 operands: lhs = Counter(4), rhs = Counter(5)
-- expression 5 operands: lhs = Counter(3), rhs = Expression(8, Add)
-- expression 6 operands: lhs = Counter(4), rhs = Counter(5)
-- expression 7 operands: lhs = Counter(3), rhs = Expression(8, Add)
-- expression 8 operands: lhs = Counter(4), rhs = Counter(5)
-- expression 9 operands: lhs = Counter(6), rhs = Counter(7)
-- expression 10 operands: lhs = Counter(9), rhs = Counter(10)
+- expression 1 operands: lhs = Counter(3), rhs = Counter(5)
+- expression 2 operands: lhs = Counter(3), rhs = Counter(4)
+- expression 3 operands: lhs = Counter(6), rhs = Counter(7)
+- expression 4 operands: lhs = Counter(9), rhs = Counter(10)
 Number of file 0 mappings: 16
 - Code(Counter(0)) at (prev + 7, 1) to (start + 1, 22)
 - Code(Counter(0)) at (prev + 7, 11) to (start + 0, 46)
@@ -22,21 +16,18 @@ Number of file 0 mappings: 16
     = (c1 + Zero)
 - Code(Counter(3)) at (prev + 2, 11) to (start + 0, 46)
 - Code(Expression(1, Sub)) at (prev + 1, 34) to (start + 0, 39)
+    = (c3 - c5)
+- Code(Counter(4)) at (prev + 0, 44) to (start + 0, 46)
+- Code(Expression(2, Sub)) at (prev + 1, 14) to (start + 0, 52)
     = (c3 - c4)
-- Code(Expression(7, Sub)) at (prev + 0, 44) to (start + 0, 46)
-    = (c3 - (c4 + c5))
-- Code(Expression(8, Add)) at (prev + 1, 14) to (start + 0, 52)
-    = (c4 + c5)
-- Code(Expression(7, Sub)) at (prev + 3, 9) to (start + 0, 22)
-    = (c3 - (c4 + c5))
-- Code(Expression(7, Sub)) at (prev + 8, 11) to (start + 0, 46)
-    = (c3 - (c4 + c5))
+- Code(Counter(4)) at (prev + 3, 9) to (start + 0, 22)
+- Code(Counter(4)) at (prev + 8, 11) to (start + 0, 46)
 - Code(Counter(8)) at (prev + 1, 39) to (start + 0, 41)
-- Code(Expression(9, Add)) at (prev + 1, 14) to (start + 0, 52)
+- Code(Expression(3, Add)) at (prev + 1, 14) to (start + 0, 52)
     = (c6 + c7)
 - Code(Counter(8)) at (prev + 2, 11) to (start + 0, 46)
 - Code(Counter(11)) at (prev + 1, 39) to (start + 0, 41)
-- Code(Expression(10, Add)) at (prev + 1, 14) to (start + 0, 52)
+- Code(Expression(4, Add)) at (prev + 1, 14) to (start + 0, 52)
     = (c9 + c10)
 - Code(Counter(11)) at (prev + 2, 1) to (start + 0, 2)
 Highest counter ID seen: c11
diff --git a/tests/crashes/116979.rs b/tests/crashes/116979.rs
new file mode 100644
index 00000000000..28bbc972ea3
--- /dev/null
+++ b/tests/crashes/116979.rs
@@ -0,0 +1,14 @@
+//@ known-bug: #116979
+//@ compile-flags: -Csymbol-mangling-version=v0
+//@ needs-rustc-debug-assertions
+
+#![feature(dyn_star)]
+#![allow(incomplete_features)]
+
+use std::fmt::Display;
+
+pub fn require_dyn_star_display(_: dyn* Display) {}
+
+fn main() {
+    require_dyn_star_display(1usize);
+}
diff --git a/tests/crashes/117808.rs b/tests/crashes/117808.rs
new file mode 100644
index 00000000000..2c727986dd0
--- /dev/null
+++ b/tests/crashes/117808.rs
@@ -0,0 +1,27 @@
+//@ known-bug: #117808
+//@ edition:2021
+//@ needs-rustc-debug-assertions
+
+use std::future::Future;
+
+fn hrc<R, F: for<'a> AsyncClosure<'a, (), R>>(f: F) -> F {
+    f
+}
+
+fn main() {
+    hrc(|x| async {});
+}
+
+trait AsyncClosure<'a, I, R>
+where
+    I: 'a,
+{
+}
+
+impl<'a, I, R, Fut, F> AsyncClosure<'a, I, R> for F
+where
+    I: 'a,
+    F: Fn(&'a I) -> Fut,
+    Fut: Future<Output = R> + Send + 'a,
+{
+}
diff --git a/tests/crashes/117877.rs b/tests/crashes/117877.rs
new file mode 100644
index 00000000000..b1effc0cbcb
--- /dev/null
+++ b/tests/crashes/117877.rs
@@ -0,0 +1,13 @@
+//@ known-bug: #117877
+//@ edition:2021
+//@ needs-rustc-debug-assertions
+//@ only-x86_64
+#![feature(asm_const)]
+
+use std::arch::asm;
+
+async unsafe fn foo<'a>() {
+    asm!("/* {0} */", const N);
+}
+
+fn main() {}
diff --git a/tests/crashes/118778.rs b/tests/crashes/118778.rs
new file mode 100644
index 00000000000..9914e76022d
--- /dev/null
+++ b/tests/crashes/118778.rs
@@ -0,0 +1,24 @@
+//@ known-bug: #118778
+//@ edition:2021
+//@ needs-rustc-debug-assertions
+
+#![feature(generic_const_exprs)]
+#![allow(incomplete_features)]
+
+trait Owner {
+    type T<const N: u16>;
+}
+
+impl Owner for () {
+    type T<const N: u32> = U32<{ N + 1 }>
+    where
+        U32<{ N + 1 }>:;
+}
+
+struct U32<const N: u32>;
+
+fn take1(_: impl Owner<T<1> = U32<1>>) {}
+
+fn main() {
+    take1(());
+}
diff --git a/tests/crashes/118784.rs b/tests/crashes/118784.rs
new file mode 100644
index 00000000000..7bf943c8177
--- /dev/null
+++ b/tests/crashes/118784.rs
@@ -0,0 +1,19 @@
+//@ known-bug: #118784
+//@ needs-rustc-debug-assertions
+
+use std::collections::HashMap;
+
+macro_rules! all_sync_send {
+    ($ctor:expr, $($iter:expr),+) => ({
+        $(
+            let mut x = $ctor;
+            is_sync(x.$iter());
+            let mut y = $ctor;
+            is_send(y.$iter());
+        )+
+    })
+}
+
+fn main() {
+    all_sync_send!(HashMap, HashMap);
+}
diff --git a/tests/crashes/120175.rs b/tests/crashes/120175.rs
new file mode 100644
index 00000000000..c6e7203ff98
--- /dev/null
+++ b/tests/crashes/120175.rs
@@ -0,0 +1,11 @@
+//@ known-bug: #120175
+//@ needs-rustc-debug-assertions
+
+#![feature(extern_types)]
+
+#[link(name = "bar", import_name_type = "decorated", kind = "raw-dylib")]
+extern "C" {
+    pub type CrossCrate;
+}
+
+fn main() {}
diff --git a/tests/crashes/121176.rs b/tests/crashes/121176.rs
new file mode 100644
index 00000000000..4d82e51de8f
--- /dev/null
+++ b/tests/crashes/121176.rs
@@ -0,0 +1,9 @@
+//@ known-bug: #121176
+//@ needs-rustc-debug-assertions
+use std::fmt::Debug;
+
+static STATIC_1: dyn Debug + Sync = *();
+
+fn main() {
+    println!("{:?}", &STATIC_1);
+}
diff --git a/tests/crashes/123861.rs b/tests/crashes/123861.rs
new file mode 100644
index 00000000000..60245960af0
--- /dev/null
+++ b/tests/crashes/123861.rs
@@ -0,0 +1,5 @@
+//@ known-bug: #123861
+//@ needs-rustc-debug-assertions
+
+struct _;
+fn mainIterator<_ = _> {}
diff --git a/tests/crashes/123862.rs b/tests/crashes/123862.rs
new file mode 100644
index 00000000000..075e0e6fc8f
--- /dev/null
+++ b/tests/crashes/123862.rs
@@ -0,0 +1,14 @@
+//@ known-bug: #123862
+//@ needs-rustc-debug-assertions
+
+macro_rules! pos {
+    () => {
+        (file![$($pos,)* pos!()], line!())
+    };
+}
+
+fn outer() {
+    inner_inlined(main_pos, pos!());
+}
+
+fn inner_inlined() {}
diff --git a/tests/crashes/124375.rs b/tests/crashes/124375.rs
deleted file mode 100644
index 1d877caeb8b..00000000000
--- a/tests/crashes/124375.rs
+++ /dev/null
@@ -1,11 +0,0 @@
-//@ known-bug: #124375
-//@ compile-flags: -Zmir-opt-level=0
-//@ only-x86_64
-#![crate_type = "lib"]
-#![feature(naked_functions)]
-use std::arch::naked_asm;
-
-#[naked]
-pub unsafe extern "C" fn naked_with_args_and_return(a: isize, b: isize) -> isize {
-    naked_asm!("lea rax, [rdi + rsi]", "ret");
-}
diff --git a/tests/crashes/130395.rs b/tests/crashes/130395.rs
new file mode 100644
index 00000000000..c1d189c79ba
--- /dev/null
+++ b/tests/crashes/130395.rs
@@ -0,0 +1,10 @@
+//@ known-bug: #130395
+//@ needs-rustc-debug-assertions
+
+enum U {
+    B(isize, usize),
+}
+
+fn main() {
+    let x = T::A(U::C);
+}
diff --git a/tests/crashes/132765.rs b/tests/crashes/132765.rs
new file mode 100644
index 00000000000..01e8fdaacff
--- /dev/null
+++ b/tests/crashes/132765.rs
@@ -0,0 +1,12 @@
+//@ known-bug: #132765
+
+trait LendingIterator {
+    type Item<'q>;
+    fn for_each(&self, _f: Box<fn(Self::Item<'_>)>) {}
+}
+
+fn f(_: ()) {}
+
+fn main() {
+    LendingIterator::for_each(&(), f);
+}
diff --git a/tests/crashes/132766.rs b/tests/crashes/132766.rs
new file mode 100644
index 00000000000..5f5117d77a5
--- /dev/null
+++ b/tests/crashes/132766.rs
@@ -0,0 +1,9 @@
+//@ known-bug: #132766
+
+trait Trait {}
+impl<'a> Trait for () {
+    fn pass2<'a>() -> impl Trait2 {}
+}
+
+trait Trait2 {}
+impl Trait2 for () {}
diff --git a/tests/crashes/132882.rs b/tests/crashes/132882.rs
new file mode 100644
index 00000000000..6b5e4dba803
--- /dev/null
+++ b/tests/crashes/132882.rs
@@ -0,0 +1,13 @@
+//@ known-bug: #132882
+
+use std::ops::Add;
+
+pub trait Numoid
+where
+    for<N: Numoid> &'a Self: Add<Self>,
+{
+}
+
+pub fn compute<N: Numoid>(a: N) -> N {
+    &a + a
+}
diff --git a/tests/crashes/132981.rs b/tests/crashes/132981.rs
new file mode 100644
index 00000000000..8ff4fa36fd0
--- /dev/null
+++ b/tests/crashes/132981.rs
@@ -0,0 +1,7 @@
+//@ known-bug: #132981
+//@compile-flags: -Clink-dead-code=true --crate-type lib
+//@ only-x86_64
+//@ ignore-windows
+
+#![feature(rust_cold_cc)]
+pub extern "rust-cold" fn foo(_: [usize; 3]) {}
diff --git a/tests/crashes/133063.rs b/tests/crashes/133063.rs
new file mode 100644
index 00000000000..132b5486170
--- /dev/null
+++ b/tests/crashes/133063.rs
@@ -0,0 +1,8 @@
+//@ known-bug: #133063
+
+fn foo(x: !) {
+    match x {
+        (! | !) if false => {}
+        _ => {}
+    }
+}
diff --git a/tests/crashes/133066.rs b/tests/crashes/133066.rs
new file mode 100644
index 00000000000..732ebb7079f
--- /dev/null
+++ b/tests/crashes/133066.rs
@@ -0,0 +1,12 @@
+//@ known-bug: #133066
+trait Owner {
+    const C<const N: u32>: u32;
+}
+
+impl Owner for () {;}
+
+fn take0<const N: u64>(_: impl Owner<C<N> = { N }>) {}
+
+fn main() {
+    take0::<f32, >(());
+}
diff --git a/tests/crashes/133199.rs b/tests/crashes/133199.rs
new file mode 100644
index 00000000000..76535fa83a6
--- /dev/null
+++ b/tests/crashes/133199.rs
@@ -0,0 +1,11 @@
+//@ known-bug: #133199
+//@ aux-build: aux133199.rs
+
+extern crate aux133199;
+
+use aux133199::FixedBitSet;
+
+fn main() {
+    FixedBitSet::<7>::new();
+    //~^ ERROR
+}
diff --git a/tests/crashes/133275-1.rs b/tests/crashes/133275-1.rs
new file mode 100644
index 00000000000..73c04f5d6e4
--- /dev/null
+++ b/tests/crashes/133275-1.rs
@@ -0,0 +1,13 @@
+//@ known-bug: #133275
+#![feature(const_trait_impl)]
+#![feature(associated_type_defaults)]
+
+#[const_trait]
+trait Foo3<T>
+where
+    Self::Baz: Clone,
+{
+    type Baz = T;
+}
+
+pub fn main() {}
diff --git a/tests/crashes/133275-2.rs b/tests/crashes/133275-2.rs
new file mode 100644
index 00000000000..a774b3cdb69
--- /dev/null
+++ b/tests/crashes/133275-2.rs
@@ -0,0 +1,15 @@
+//@ known-bug: #133275
+#![feature(const_trait_impl)]
+#[const_trait]
+pub trait Owo<X = <IntEnum as Uwu>::T> {}
+
+#[const_trait]
+trait Foo3<T>
+where
+    Self::Bar: Clone,
+    Self::Baz: Clone,
+{
+    type Bar = Vec<Self::Baz>;
+    type Baz = T;
+    //~^ ERROR the trait bound `T: Clone` is not satisfied
+}
diff --git a/tests/crashes/auxiliary/aux133199.rs b/tests/crashes/auxiliary/aux133199.rs
new file mode 100644
index 00000000000..40765d92fbf
--- /dev/null
+++ b/tests/crashes/auxiliary/aux133199.rs
@@ -0,0 +1,13 @@
+#![allow(incomplete_features)]
+#![feature(generic_const_exprs)]
+
+pub struct FixedBitSet<const N: usize>;
+
+impl<const N: usize> FixedBitSet<N>
+where
+    [u8; N.div_ceil(8)]: Sized,
+{
+    pub fn new() -> Self {
+        todo!()
+    }
+}
diff --git a/tests/mir-opt/async_closure_shims.main-{closure#0}-{closure#0}-{closure#0}.built.after.mir b/tests/mir-opt/async_closure_shims.main-{closure#0}-{closure#0}-{closure#0}.built.after.mir
index 7da33b8a094..8a584853e00 100644
--- a/tests/mir-opt/async_closure_shims.main-{closure#0}-{closure#0}-{closure#0}.built.after.mir
+++ b/tests/mir-opt/async_closure_shims.main-{closure#0}-{closure#0}-{closure#0}.built.after.mir
@@ -1,6 +1,6 @@
 // MIR for `main::{closure#0}::{closure#0}::{closure#0}` after built
 
-fn main::{closure#0}::{closure#0}::{closure#0}(_1: {async closure body@$DIR/async_closure_shims.rs:54:53: 57:10}, _2: ResumeTy) -> ()
+fn main::{closure#0}::{closure#0}::{closure#0}(_1: {async closure body@$DIR/async_closure_shims.rs:53:53: 56:10}, _2: ResumeTy) -> ()
 yields ()
  {
     debug _task_context => _2;
diff --git a/tests/mir-opt/async_closure_shims.main-{closure#0}-{closure#0}-{closure#1}.built.after.mir b/tests/mir-opt/async_closure_shims.main-{closure#0}-{closure#0}-{closure#1}.built.after.mir
index a21e82ef5b6..a9e08d2e8f6 100644
--- a/tests/mir-opt/async_closure_shims.main-{closure#0}-{closure#0}-{closure#1}.built.after.mir
+++ b/tests/mir-opt/async_closure_shims.main-{closure#0}-{closure#0}-{closure#1}.built.after.mir
@@ -1,6 +1,6 @@
 // MIR for `main::{closure#0}::{closure#0}::{closure#1}` after built
 
-fn main::{closure#0}::{closure#0}::{closure#1}(_1: {async closure body@$DIR/async_closure_shims.rs:54:53: 57:10}, _2: ResumeTy) -> ()
+fn main::{closure#0}::{closure#0}::{closure#1}(_1: {async closure body@$DIR/async_closure_shims.rs:53:53: 56:10}, _2: ResumeTy) -> ()
 yields ()
  {
     debug _task_context => _2;
diff --git a/tests/mir-opt/async_closure_shims.main-{closure#0}-{closure#0}.coroutine_closure_by_move.0.mir b/tests/mir-opt/async_closure_shims.main-{closure#0}-{closure#0}.coroutine_closure_by_move.0.mir
index c1566360995..a984845fd2c 100644
--- a/tests/mir-opt/async_closure_shims.main-{closure#0}-{closure#0}.coroutine_closure_by_move.0.mir
+++ b/tests/mir-opt/async_closure_shims.main-{closure#0}-{closure#0}.coroutine_closure_by_move.0.mir
@@ -1,10 +1,10 @@
 // MIR for `main::{closure#0}::{closure#0}` 0 coroutine_closure_by_move
 
-fn main::{closure#0}::{closure#0}(_1: {async closure@$DIR/async_closure_shims.rs:54:33: 54:52}, _2: i32) -> {async closure body@$DIR/async_closure_shims.rs:54:53: 57:10} {
-    let mut _0: {async closure body@$DIR/async_closure_shims.rs:54:53: 57:10};
+fn main::{closure#0}::{closure#0}(_1: {async closure@$DIR/async_closure_shims.rs:53:33: 53:52}, _2: i32) -> {async closure body@$DIR/async_closure_shims.rs:53:53: 56:10} {
+    let mut _0: {async closure body@$DIR/async_closure_shims.rs:53:53: 56:10};
 
     bb0: {
-        _0 = {coroutine@$DIR/async_closure_shims.rs:54:53: 57:10 (#0)} { a: move _2, b: move (_1.0: i32) };
+        _0 = {coroutine@$DIR/async_closure_shims.rs:53:53: 56:10 (#0)} { a: move _2, b: move (_1.0: i32) };
         return;
     }
 }
diff --git a/tests/mir-opt/async_closure_shims.main-{closure#0}-{closure#1}-{closure#0}.built.after.mir b/tests/mir-opt/async_closure_shims.main-{closure#0}-{closure#1}-{closure#0}.built.after.mir
index a4a6a535a23..c6721085eb2 100644
--- a/tests/mir-opt/async_closure_shims.main-{closure#0}-{closure#1}-{closure#0}.built.after.mir
+++ b/tests/mir-opt/async_closure_shims.main-{closure#0}-{closure#1}-{closure#0}.built.after.mir
@@ -1,6 +1,6 @@
 // MIR for `main::{closure#0}::{closure#1}::{closure#0}` after built
 
-fn main::{closure#0}::{closure#1}::{closure#0}(_1: {async closure body@$DIR/async_closure_shims.rs:63:48: 66:10}, _2: ResumeTy) -> ()
+fn main::{closure#0}::{closure#1}::{closure#0}(_1: {async closure body@$DIR/async_closure_shims.rs:62:48: 65:10}, _2: ResumeTy) -> ()
 yields ()
  {
     debug _task_context => _2;
diff --git a/tests/mir-opt/async_closure_shims.main-{closure#0}-{closure#1}-{closure#1}.built.after.mir b/tests/mir-opt/async_closure_shims.main-{closure#0}-{closure#1}-{closure#1}.built.after.mir
index 69bba6f5194..4452ae7812e 100644
--- a/tests/mir-opt/async_closure_shims.main-{closure#0}-{closure#1}-{closure#1}.built.after.mir
+++ b/tests/mir-opt/async_closure_shims.main-{closure#0}-{closure#1}-{closure#1}.built.after.mir
@@ -1,6 +1,6 @@
 // MIR for `main::{closure#0}::{closure#1}::{closure#1}` after built
 
-fn main::{closure#0}::{closure#1}::{closure#1}(_1: {async closure body@$DIR/async_closure_shims.rs:63:48: 66:10}, _2: ResumeTy) -> ()
+fn main::{closure#0}::{closure#1}::{closure#1}(_1: {async closure body@$DIR/async_closure_shims.rs:62:48: 65:10}, _2: ResumeTy) -> ()
 yields ()
  {
     debug _task_context => _2;
diff --git a/tests/mir-opt/async_closure_shims.main-{closure#0}-{closure#1}.coroutine_closure_by_move.0.mir b/tests/mir-opt/async_closure_shims.main-{closure#0}-{closure#1}.coroutine_closure_by_move.0.mir
index 134fe145bae..aab9f7b03b9 100644
--- a/tests/mir-opt/async_closure_shims.main-{closure#0}-{closure#1}.coroutine_closure_by_move.0.mir
+++ b/tests/mir-opt/async_closure_shims.main-{closure#0}-{closure#1}.coroutine_closure_by_move.0.mir
@@ -1,10 +1,10 @@
 // MIR for `main::{closure#0}::{closure#1}` 0 coroutine_closure_by_move
 
-fn main::{closure#0}::{closure#1}(_1: {async closure@$DIR/async_closure_shims.rs:63:33: 63:47}, _2: i32) -> {async closure body@$DIR/async_closure_shims.rs:63:48: 66:10} {
-    let mut _0: {async closure body@$DIR/async_closure_shims.rs:63:48: 66:10};
+fn main::{closure#0}::{closure#1}(_1: {async closure@$DIR/async_closure_shims.rs:62:33: 62:47}, _2: i32) -> {async closure body@$DIR/async_closure_shims.rs:62:48: 65:10} {
+    let mut _0: {async closure body@$DIR/async_closure_shims.rs:62:48: 65:10};
 
     bb0: {
-        _0 = {coroutine@$DIR/async_closure_shims.rs:63:48: 66:10 (#0)} { a: move _2, b: move (_1.0: &i32) };
+        _0 = {coroutine@$DIR/async_closure_shims.rs:62:48: 65:10 (#0)} { a: move _2, b: move (_1.0: &i32) };
         return;
     }
 }
diff --git a/tests/mir-opt/async_closure_shims.main-{closure#0}-{closure#1}.coroutine_closure_by_ref.0.mir b/tests/mir-opt/async_closure_shims.main-{closure#0}-{closure#1}.coroutine_closure_by_ref.0.mir
index f267d93bd60..3fdc81791de 100644
--- a/tests/mir-opt/async_closure_shims.main-{closure#0}-{closure#1}.coroutine_closure_by_ref.0.mir
+++ b/tests/mir-opt/async_closure_shims.main-{closure#0}-{closure#1}.coroutine_closure_by_ref.0.mir
@@ -1,10 +1,10 @@
 // MIR for `main::{closure#0}::{closure#1}` 0 coroutine_closure_by_ref
 
-fn main::{closure#0}::{closure#1}(_1: &{async closure@$DIR/async_closure_shims.rs:63:33: 63:47}, _2: i32) -> {async closure body@$DIR/async_closure_shims.rs:63:48: 66:10} {
-    let mut _0: {async closure body@$DIR/async_closure_shims.rs:63:48: 66:10};
+fn main::{closure#0}::{closure#1}(_1: &{async closure@$DIR/async_closure_shims.rs:62:33: 62:47}, _2: i32) -> {async closure body@$DIR/async_closure_shims.rs:62:48: 65:10} {
+    let mut _0: {async closure body@$DIR/async_closure_shims.rs:62:48: 65:10};
 
     bb0: {
-        _0 = {coroutine@$DIR/async_closure_shims.rs:63:48: 66:10 (#0)} { a: move _2, b: copy ((*_1).0: &i32) };
+        _0 = {coroutine@$DIR/async_closure_shims.rs:62:48: 65:10 (#0)} { a: move _2, b: copy ((*_1).0: &i32) };
         return;
     }
 }
diff --git a/tests/mir-opt/async_closure_shims.rs b/tests/mir-opt/async_closure_shims.rs
index f28400e298f..cd2e83e939a 100644
--- a/tests/mir-opt/async_closure_shims.rs
+++ b/tests/mir-opt/async_closure_shims.rs
@@ -1,7 +1,6 @@
 //@ edition:2021
 // skip-filecheck
 
-#![feature(async_closure, async_fn_traits)]
 #![allow(unused)]
 
 use std::future::Future;
diff --git a/tests/mir-opt/inline/inline_coroutine.main.Inline.panic-abort.diff b/tests/mir-opt/inline/inline_coroutine.main.Inline.panic-abort.diff
index 94017f028cc..56d4d50e967 100644
--- a/tests/mir-opt/inline/inline_coroutine.main.Inline.panic-abort.diff
+++ b/tests/mir-opt/inline/inline_coroutine.main.Inline.panic-abort.diff
@@ -16,7 +16,6 @@
 +     scope 3 (inlined Pin::<&mut {coroutine@$DIR/inline_coroutine.rs:20:5: 20:8}>::new) {
 +         debug pointer => _3;
 +         scope 4 (inlined Pin::<&mut {coroutine@$DIR/inline_coroutine.rs:20:5: 20:8}>::new_unchecked) {
-+             debug pointer => _3;
 +         }
 +     }
 +     scope 5 (inlined g::{closure#0}) {
diff --git a/tests/mir-opt/inline/inline_coroutine.main.Inline.panic-unwind.diff b/tests/mir-opt/inline/inline_coroutine.main.Inline.panic-unwind.diff
index 858f9ace9b4..751916a00f1 100644
--- a/tests/mir-opt/inline/inline_coroutine.main.Inline.panic-unwind.diff
+++ b/tests/mir-opt/inline/inline_coroutine.main.Inline.panic-unwind.diff
@@ -16,7 +16,6 @@
 +     scope 3 (inlined Pin::<&mut {coroutine@$DIR/inline_coroutine.rs:20:5: 20:8}>::new) {
 +         debug pointer => _3;
 +         scope 4 (inlined Pin::<&mut {coroutine@$DIR/inline_coroutine.rs:20:5: 20:8}>::new_unchecked) {
-+             debug pointer => _3;
 +         }
 +     }
 +     scope 5 (inlined g::{closure#0}) {
diff --git a/tests/mir-opt/pre-codegen/vec_deref.vec_deref_to_slice.PreCodegen.after.panic-abort.mir b/tests/mir-opt/pre-codegen/vec_deref.vec_deref_to_slice.PreCodegen.after.panic-abort.mir
index 2efbb6d9904..3f0d60b46f4 100644
--- a/tests/mir-opt/pre-codegen/vec_deref.vec_deref_to_slice.PreCodegen.after.panic-abort.mir
+++ b/tests/mir-opt/pre-codegen/vec_deref.vec_deref_to_slice.PreCodegen.after.panic-abort.mir
@@ -7,48 +7,36 @@ fn vec_deref_to_slice(_1: &Vec<u8>) -> &[u8] {
         debug self => _1;
         scope 2 (inlined Vec::<u8>::as_slice) {
             debug self => _1;
-            let mut _9: *const u8;
-            let mut _10: usize;
+            let mut _7: *const u8;
+            let mut _8: usize;
             scope 3 (inlined Vec::<u8>::as_ptr) {
                 debug self => _1;
-                let mut _2: &alloc::raw_vec::RawVec<u8>;
-                let mut _8: *mut u8;
+                let mut _6: *mut u8;
                 scope 4 (inlined alloc::raw_vec::RawVec::<u8>::ptr) {
-                    debug self => _2;
-                    let mut _3: &alloc::raw_vec::RawVecInner;
                     scope 5 (inlined alloc::raw_vec::RawVecInner::ptr::<u8>) {
-                        debug self => _3;
-                        let mut _7: std::ptr::NonNull<u8>;
+                        let mut _5: std::ptr::NonNull<u8>;
                         scope 6 (inlined alloc::raw_vec::RawVecInner::non_null::<u8>) {
-                            debug self => _3;
-                            let mut _4: std::ptr::NonNull<u8>;
+                            let mut _2: std::ptr::NonNull<u8>;
                             scope 7 (inlined Unique::<u8>::cast::<u8>) {
-                                debug ((self: Unique<u8>).0: std::ptr::NonNull<u8>) => _4;
-                                debug ((self: Unique<u8>).1: std::marker::PhantomData<u8>) => const PhantomData::<u8>;
                                 scope 8 (inlined NonNull::<u8>::cast::<u8>) {
-                                    debug self => _4;
-                                    let mut _5: *mut u8;
-                                    let mut _6: *const u8;
+                                    let mut _3: *mut u8;
+                                    let mut _4: *const u8;
                                     scope 9 (inlined NonNull::<u8>::as_ptr) {
-                                        debug self => _4;
                                     }
                                 }
                             }
                             scope 10 (inlined Unique::<u8>::as_non_null_ptr) {
-                                debug ((self: Unique<u8>).0: std::ptr::NonNull<u8>) => _7;
-                                debug ((self: Unique<u8>).1: std::marker::PhantomData<u8>) => const PhantomData::<u8>;
                             }
                         }
                         scope 11 (inlined NonNull::<u8>::as_ptr) {
-                            debug self => _7;
                         }
                     }
                 }
             }
             scope 12 (inlined std::slice::from_raw_parts::<'_, u8>) {
-                debug data => _9;
-                debug len => _10;
-                let _11: *const [u8];
+                debug data => _7;
+                debug len => _8;
+                let _9: *const [u8];
                 scope 13 (inlined core::ub_checks::check_language_ub) {
                     scope 14 (inlined core::ub_checks::check_language_ub::runtime) {
                     }
@@ -58,11 +46,10 @@ fn vec_deref_to_slice(_1: &Vec<u8>) -> &[u8] {
                 scope 16 (inlined align_of::<u8>) {
                 }
                 scope 17 (inlined slice_from_raw_parts::<u8>) {
-                    debug data => _9;
-                    debug len => _10;
+                    debug data => _7;
+                    debug len => _8;
                     scope 18 (inlined std::ptr::from_raw_parts::<[u8], u8>) {
-                        debug data_pointer => _9;
-                        debug metadata => _10;
+                        debug data_pointer => _7;
                     }
                 }
             }
@@ -70,37 +57,31 @@ fn vec_deref_to_slice(_1: &Vec<u8>) -> &[u8] {
     }
 
     bb0: {
-        StorageLive(_8);
-        StorageLive(_9);
+        StorageLive(_6);
+        StorageLive(_7);
+        StorageLive(_5);
         StorageLive(_2);
-        _2 = &((*_1).0: alloc::raw_vec::RawVec<u8>);
+        _2 = copy (((((*_1).0: alloc::raw_vec::RawVec<u8>).0: alloc::raw_vec::RawVecInner).0: std::ptr::Unique<u8>).0: std::ptr::NonNull<u8>);
         StorageLive(_3);
-        _3 = &(((*_1).0: alloc::raw_vec::RawVec<u8>).0: alloc::raw_vec::RawVecInner);
-        StorageLive(_7);
         StorageLive(_4);
-        _4 = copy (((((*_1).0: alloc::raw_vec::RawVec<u8>).0: alloc::raw_vec::RawVecInner).0: std::ptr::Unique<u8>).0: std::ptr::NonNull<u8>);
-        StorageLive(_5);
-        StorageLive(_6);
-        _5 = copy _4 as *mut u8 (Transmute);
-        _6 = copy _5 as *const u8 (PtrToPtr);
-        _7 = NonNull::<u8> { pointer: move _6 };
-        StorageDead(_6);
-        StorageDead(_5);
+        _3 = copy _2 as *mut u8 (Transmute);
+        _4 = copy _3 as *const u8 (PtrToPtr);
+        _5 = NonNull::<u8> { pointer: move _4 };
         StorageDead(_4);
-        _8 = copy _7 as *mut u8 (Transmute);
-        StorageDead(_7);
         StorageDead(_3);
-        _9 = copy _8 as *const u8 (PtrToPtr);
         StorageDead(_2);
-        StorageLive(_10);
-        _10 = copy ((*_1).1: usize);
-        StorageLive(_11);
-        _11 = *const [u8] from (copy _9, copy _10);
-        _0 = &(*_11);
-        StorageDead(_11);
-        StorageDead(_10);
+        _6 = copy _5 as *mut u8 (Transmute);
+        StorageDead(_5);
+        _7 = copy _6 as *const u8 (PtrToPtr);
+        StorageLive(_8);
+        _8 = copy ((*_1).1: usize);
+        StorageLive(_9);
+        _9 = *const [u8] from (copy _7, copy _8);
+        _0 = &(*_9);
         StorageDead(_9);
         StorageDead(_8);
+        StorageDead(_7);
+        StorageDead(_6);
         return;
     }
 }
diff --git a/tests/mir-opt/pre-codegen/vec_deref.vec_deref_to_slice.PreCodegen.after.panic-unwind.mir b/tests/mir-opt/pre-codegen/vec_deref.vec_deref_to_slice.PreCodegen.after.panic-unwind.mir
index 2efbb6d9904..3f0d60b46f4 100644
--- a/tests/mir-opt/pre-codegen/vec_deref.vec_deref_to_slice.PreCodegen.after.panic-unwind.mir
+++ b/tests/mir-opt/pre-codegen/vec_deref.vec_deref_to_slice.PreCodegen.after.panic-unwind.mir
@@ -7,48 +7,36 @@ fn vec_deref_to_slice(_1: &Vec<u8>) -> &[u8] {
         debug self => _1;
         scope 2 (inlined Vec::<u8>::as_slice) {
             debug self => _1;
-            let mut _9: *const u8;
-            let mut _10: usize;
+            let mut _7: *const u8;
+            let mut _8: usize;
             scope 3 (inlined Vec::<u8>::as_ptr) {
                 debug self => _1;
-                let mut _2: &alloc::raw_vec::RawVec<u8>;
-                let mut _8: *mut u8;
+                let mut _6: *mut u8;
                 scope 4 (inlined alloc::raw_vec::RawVec::<u8>::ptr) {
-                    debug self => _2;
-                    let mut _3: &alloc::raw_vec::RawVecInner;
                     scope 5 (inlined alloc::raw_vec::RawVecInner::ptr::<u8>) {
-                        debug self => _3;
-                        let mut _7: std::ptr::NonNull<u8>;
+                        let mut _5: std::ptr::NonNull<u8>;
                         scope 6 (inlined alloc::raw_vec::RawVecInner::non_null::<u8>) {
-                            debug self => _3;
-                            let mut _4: std::ptr::NonNull<u8>;
+                            let mut _2: std::ptr::NonNull<u8>;
                             scope 7 (inlined Unique::<u8>::cast::<u8>) {
-                                debug ((self: Unique<u8>).0: std::ptr::NonNull<u8>) => _4;
-                                debug ((self: Unique<u8>).1: std::marker::PhantomData<u8>) => const PhantomData::<u8>;
                                 scope 8 (inlined NonNull::<u8>::cast::<u8>) {
-                                    debug self => _4;
-                                    let mut _5: *mut u8;
-                                    let mut _6: *const u8;
+                                    let mut _3: *mut u8;
+                                    let mut _4: *const u8;
                                     scope 9 (inlined NonNull::<u8>::as_ptr) {
-                                        debug self => _4;
                                     }
                                 }
                             }
                             scope 10 (inlined Unique::<u8>::as_non_null_ptr) {
-                                debug ((self: Unique<u8>).0: std::ptr::NonNull<u8>) => _7;
-                                debug ((self: Unique<u8>).1: std::marker::PhantomData<u8>) => const PhantomData::<u8>;
                             }
                         }
                         scope 11 (inlined NonNull::<u8>::as_ptr) {
-                            debug self => _7;
                         }
                     }
                 }
             }
             scope 12 (inlined std::slice::from_raw_parts::<'_, u8>) {
-                debug data => _9;
-                debug len => _10;
-                let _11: *const [u8];
+                debug data => _7;
+                debug len => _8;
+                let _9: *const [u8];
                 scope 13 (inlined core::ub_checks::check_language_ub) {
                     scope 14 (inlined core::ub_checks::check_language_ub::runtime) {
                     }
@@ -58,11 +46,10 @@ fn vec_deref_to_slice(_1: &Vec<u8>) -> &[u8] {
                 scope 16 (inlined align_of::<u8>) {
                 }
                 scope 17 (inlined slice_from_raw_parts::<u8>) {
-                    debug data => _9;
-                    debug len => _10;
+                    debug data => _7;
+                    debug len => _8;
                     scope 18 (inlined std::ptr::from_raw_parts::<[u8], u8>) {
-                        debug data_pointer => _9;
-                        debug metadata => _10;
+                        debug data_pointer => _7;
                     }
                 }
             }
@@ -70,37 +57,31 @@ fn vec_deref_to_slice(_1: &Vec<u8>) -> &[u8] {
     }
 
     bb0: {
-        StorageLive(_8);
-        StorageLive(_9);
+        StorageLive(_6);
+        StorageLive(_7);
+        StorageLive(_5);
         StorageLive(_2);
-        _2 = &((*_1).0: alloc::raw_vec::RawVec<u8>);
+        _2 = copy (((((*_1).0: alloc::raw_vec::RawVec<u8>).0: alloc::raw_vec::RawVecInner).0: std::ptr::Unique<u8>).0: std::ptr::NonNull<u8>);
         StorageLive(_3);
-        _3 = &(((*_1).0: alloc::raw_vec::RawVec<u8>).0: alloc::raw_vec::RawVecInner);
-        StorageLive(_7);
         StorageLive(_4);
-        _4 = copy (((((*_1).0: alloc::raw_vec::RawVec<u8>).0: alloc::raw_vec::RawVecInner).0: std::ptr::Unique<u8>).0: std::ptr::NonNull<u8>);
-        StorageLive(_5);
-        StorageLive(_6);
-        _5 = copy _4 as *mut u8 (Transmute);
-        _6 = copy _5 as *const u8 (PtrToPtr);
-        _7 = NonNull::<u8> { pointer: move _6 };
-        StorageDead(_6);
-        StorageDead(_5);
+        _3 = copy _2 as *mut u8 (Transmute);
+        _4 = copy _3 as *const u8 (PtrToPtr);
+        _5 = NonNull::<u8> { pointer: move _4 };
         StorageDead(_4);
-        _8 = copy _7 as *mut u8 (Transmute);
-        StorageDead(_7);
         StorageDead(_3);
-        _9 = copy _8 as *const u8 (PtrToPtr);
         StorageDead(_2);
-        StorageLive(_10);
-        _10 = copy ((*_1).1: usize);
-        StorageLive(_11);
-        _11 = *const [u8] from (copy _9, copy _10);
-        _0 = &(*_11);
-        StorageDead(_11);
-        StorageDead(_10);
+        _6 = copy _5 as *mut u8 (Transmute);
+        StorageDead(_5);
+        _7 = copy _6 as *const u8 (PtrToPtr);
+        StorageLive(_8);
+        _8 = copy ((*_1).1: usize);
+        StorageLive(_9);
+        _9 = *const [u8] from (copy _7, copy _8);
+        _0 = &(*_9);
         StorageDead(_9);
         StorageDead(_8);
+        StorageDead(_7);
+        StorageDead(_6);
         return;
     }
 }
diff --git a/tests/mir-opt/strip_debuginfo.rs b/tests/mir-opt/strip_debuginfo.rs
new file mode 100644
index 00000000000..310609e1e9d
--- /dev/null
+++ b/tests/mir-opt/strip_debuginfo.rs
@@ -0,0 +1,39 @@
+//@ revisions: NONE TINY ALL
+//@[NONE] compile-flags: -Zmir_strip_debuginfo=none
+//@[TINY] compile-flags: -Zmir_strip_debuginfo=locals-in-tiny-functions
+//@[ALL] compile-flags: -Zmir_strip_debuginfo=all-locals
+
+// CHECK: fn tiny_function
+fn tiny_function(end: u32) -> u32 {
+    // CHECK: debug end => _1;
+    // NONE: debug a =>
+    // NONE: debug b =>
+    // TINY-NOT: debug a =>
+    // TINY-NOT: debug b =>
+    // ALL-NOT: debug a =>
+    // ALL-NOT: debug b =>
+    let a = !end;
+    let b = a ^ 1;
+    b
+}
+
+#[inline(never)]
+fn opaque(_: u32) {}
+
+// CHECK: fn looping_function
+fn looping_function(end: u32) {
+    // CHECK: debug end => _1;
+    // NONE: debug i =>
+    // NONE: debug x =>
+    // TINY: debug i =>
+    // TINY: debug x =>
+    // ALL-NOT: debug i =>
+    // ALL-NOT: debug x =>
+    let mut i = 0;
+    while i < end {
+        let x = i ^ 1;
+        opaque(x);
+    }
+}
+
+fn main() {}
diff --git a/tests/run-make/const-trait-stable-toolchain/const-super-trait-nightly-disabled.stderr b/tests/run-make/const-trait-stable-toolchain/const-super-trait-nightly-disabled.stderr
new file mode 100644
index 00000000000..596f7c510be
--- /dev/null
+++ b/tests/run-make/const-trait-stable-toolchain/const-super-trait-nightly-disabled.stderr
@@ -0,0 +1,66 @@
+error: `~const` is not allowed here
+  --> const-super-trait.rs:7:12
+   |
+LL | trait Bar: ~const Foo {}
+   |            ^^^^^^
+   |
+note: this trait is not a `#[const_trait]`, so it cannot have `~const` trait bounds
+  --> const-super-trait.rs:7:1
+   |
+LL | trait Bar: ~const Foo {}
+   | ^^^^^^^^^^^^^^^^^^^^^^^^
+
+error[E0658]: const trait impls are experimental
+  --> const-super-trait.rs:7:12
+   |
+LL | trait Bar: ~const Foo {}
+   |            ^^^^^^
+   |
+   = note: see issue #67792 <https://github.com/rust-lang/rust/issues/67792> for more information
+   = help: add `#![feature(const_trait_impl)]` to the crate attributes to enable
+   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
+
+error[E0658]: const trait impls are experimental
+  --> const-super-trait.rs:9:17
+   |
+LL | const fn foo<T: ~const Bar>(x: &T) {
+   |                 ^^^^^^
+   |
+   = note: see issue #67792 <https://github.com/rust-lang/rust/issues/67792> for more information
+   = help: add `#![feature(const_trait_impl)]` to the crate attributes to enable
+   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
+
+error: `~const` can only be applied to `#[const_trait]` traits
+  --> const-super-trait.rs:7:12
+   |
+LL | trait Bar: ~const Foo {}
+   |            ^^^^^^ can't be applied to `Foo`
+   |
+help: enable `#![feature(const_trait_impl)]` in your crate and mark `Foo` as `#[const_trait]` to allow it to have `const` implementations
+   |
+LL | #[const_trait] trait Foo {
+   | ++++++++++++++
+
+error: `~const` can only be applied to `#[const_trait]` traits
+  --> const-super-trait.rs:9:17
+   |
+LL | const fn foo<T: ~const Bar>(x: &T) {
+   |                 ^^^^^^ can't be applied to `Bar`
+   |
+help: enable `#![feature(const_trait_impl)]` in your crate and mark `Bar` as `#[const_trait]` to allow it to have `const` implementations
+   |
+LL | #[const_trait] trait Bar: ~const Foo {}
+   | ++++++++++++++
+
+error[E0015]: cannot call non-const fn `<T as Foo>::a` in constant functions
+  --> const-super-trait.rs:10:7
+   |
+LL |     x.a();
+   |       ^^^
+   |
+   = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
+
+error: aborting due to 6 previous errors
+
+Some errors have detailed explanations: E0015, E0658.
+For more information about an error, try `rustc --explain E0015`.
diff --git a/tests/run-make/const-trait-stable-toolchain/const-super-trait-nightly-enabled.stderr b/tests/run-make/const-trait-stable-toolchain/const-super-trait-nightly-enabled.stderr
new file mode 100644
index 00000000000..7235278d1bd
--- /dev/null
+++ b/tests/run-make/const-trait-stable-toolchain/const-super-trait-nightly-enabled.stderr
@@ -0,0 +1,45 @@
+error: `~const` is not allowed here
+  --> const-super-trait.rs:7:12
+   |
+LL | trait Bar: ~const Foo {}
+   |            ^^^^^^
+   |
+note: this trait is not a `#[const_trait]`, so it cannot have `~const` trait bounds
+  --> const-super-trait.rs:7:1
+   |
+LL | trait Bar: ~const Foo {}
+   | ^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: `~const` can only be applied to `#[const_trait]` traits
+  --> const-super-trait.rs:7:12
+   |
+LL | trait Bar: ~const Foo {}
+   |            ^^^^^^ can't be applied to `Foo`
+   |
+help: mark `Foo` as `#[const_trait]` to allow it to have `const` implementations
+   |
+LL | #[const_trait] trait Foo {
+   | ++++++++++++++
+
+error: `~const` can only be applied to `#[const_trait]` traits
+  --> const-super-trait.rs:9:17
+   |
+LL | const fn foo<T: ~const Bar>(x: &T) {
+   |                 ^^^^^^ can't be applied to `Bar`
+   |
+help: mark `Bar` as `#[const_trait]` to allow it to have `const` implementations
+   |
+LL | #[const_trait] trait Bar: ~const Foo {}
+   | ++++++++++++++
+
+error[E0015]: cannot call non-const fn `<T as Foo>::a` in constant functions
+  --> const-super-trait.rs:10:7
+   |
+LL |     x.a();
+   |       ^^^
+   |
+   = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
+
+error: aborting due to 4 previous errors
+
+For more information about this error, try `rustc --explain E0015`.
diff --git a/tests/run-make/const-trait-stable-toolchain/const-super-trait-stable-disabled.stderr b/tests/run-make/const-trait-stable-toolchain/const-super-trait-stable-disabled.stderr
new file mode 100644
index 00000000000..eacdaf5e369
--- /dev/null
+++ b/tests/run-make/const-trait-stable-toolchain/const-super-trait-stable-disabled.stderr
@@ -0,0 +1,64 @@
+error: `~const` is not allowed here
+ --> const-super-trait.rs:7:12
+  |
+7 | trait Bar: ~const Foo {}
+  |            ^^^^^^
+  |
+note: this trait is not a `#[const_trait]`, so it cannot have `~const` trait bounds
+ --> const-super-trait.rs:7:1
+  |
+7 | trait Bar: ~const Foo {}
+  | ^^^^^^^^^^^^^^^^^^^^^^^^
+
+error[E0658]: const trait impls are experimental
+ --> const-super-trait.rs:7:12
+  |
+7 | trait Bar: ~const Foo {}
+  |            ^^^^^^
+  |
+  = note: see issue #67792 <https://github.com/rust-lang/rust/issues/67792> for more information
+
+error[E0658]: const trait impls are experimental
+ --> const-super-trait.rs:9:17
+  |
+9 | const fn foo<T: ~const Bar>(x: &T) {
+  |                 ^^^^^^
+  |
+  = note: see issue #67792 <https://github.com/rust-lang/rust/issues/67792> for more information
+
+error: `~const` can only be applied to `#[const_trait]` traits
+ --> const-super-trait.rs:7:12
+  |
+7 | trait Bar: ~const Foo {}
+  |            ^^^^^^ can't be applied to `Foo`
+  |
+note: `Foo` can't be used with `~const` because it isn't annotated with `#[const_trait]`
+ --> const-super-trait.rs:3:1
+  |
+3 | trait Foo {
+  | ^^^^^^^^^
+
+error: `~const` can only be applied to `#[const_trait]` traits
+ --> const-super-trait.rs:9:17
+  |
+9 | const fn foo<T: ~const Bar>(x: &T) {
+  |                 ^^^^^^ can't be applied to `Bar`
+  |
+note: `Bar` can't be used with `~const` because it isn't annotated with `#[const_trait]`
+ --> const-super-trait.rs:7:1
+  |
+7 | trait Bar: ~const Foo {}
+  | ^^^^^^^^^^^^^^^^^^^^^
+
+error[E0015]: cannot call non-const fn `<T as Foo>::a` in constant functions
+  --> const-super-trait.rs:10:7
+   |
+10 |     x.a();
+   |       ^^^
+   |
+   = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
+
+error: aborting due to 6 previous errors
+
+Some errors have detailed explanations: E0015, E0658.
+For more information about an error, try `rustc --explain E0015`.
diff --git a/tests/run-make/const-trait-stable-toolchain/const-super-trait-stable-enabled.stderr b/tests/run-make/const-trait-stable-toolchain/const-super-trait-stable-enabled.stderr
new file mode 100644
index 00000000000..9ddec6e422c
--- /dev/null
+++ b/tests/run-make/const-trait-stable-toolchain/const-super-trait-stable-enabled.stderr
@@ -0,0 +1,54 @@
+error: `~const` is not allowed here
+ --> const-super-trait.rs:7:12
+  |
+7 | trait Bar: ~const Foo {}
+  |            ^^^^^^
+  |
+note: this trait is not a `#[const_trait]`, so it cannot have `~const` trait bounds
+ --> const-super-trait.rs:7:1
+  |
+7 | trait Bar: ~const Foo {}
+  | ^^^^^^^^^^^^^^^^^^^^^^^^
+
+error[E0554]: `#![feature]` may not be used on the NIGHTLY release channel
+ --> const-super-trait.rs:1:30
+  |
+1 | #![cfg_attr(feature_enabled, feature(const_trait_impl))]
+  |                              ^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: `~const` can only be applied to `#[const_trait]` traits
+ --> const-super-trait.rs:7:12
+  |
+7 | trait Bar: ~const Foo {}
+  |            ^^^^^^ can't be applied to `Foo`
+  |
+note: `Foo` can't be used with `~const` because it isn't annotated with `#[const_trait]`
+ --> const-super-trait.rs:3:1
+  |
+3 | trait Foo {
+  | ^^^^^^^^^
+
+error: `~const` can only be applied to `#[const_trait]` traits
+ --> const-super-trait.rs:9:17
+  |
+9 | const fn foo<T: ~const Bar>(x: &T) {
+  |                 ^^^^^^ can't be applied to `Bar`
+  |
+note: `Bar` can't be used with `~const` because it isn't annotated with `#[const_trait]`
+ --> const-super-trait.rs:7:1
+  |
+7 | trait Bar: ~const Foo {}
+  | ^^^^^^^^^^^^^^^^^^^^^
+
+error[E0015]: cannot call non-const fn `<T as Foo>::a` in constant functions
+  --> const-super-trait.rs:10:7
+   |
+10 |     x.a();
+   |       ^^^
+   |
+   = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
+
+error: aborting due to 5 previous errors
+
+Some errors have detailed explanations: E0015, E0554.
+For more information about an error, try `rustc --explain E0015`.
diff --git a/tests/run-make/const-trait-stable-toolchain/const-super-trait.rs b/tests/run-make/const-trait-stable-toolchain/const-super-trait.rs
new file mode 100644
index 00000000000..b2ee96d79f7
--- /dev/null
+++ b/tests/run-make/const-trait-stable-toolchain/const-super-trait.rs
@@ -0,0 +1,13 @@
+#![cfg_attr(feature_enabled, feature(const_trait_impl))]
+
+trait Foo {
+    fn a(&self);
+}
+
+trait Bar: ~const Foo {}
+
+const fn foo<T: ~const Bar>(x: &T) {
+    x.a();
+}
+
+fn main() {}
diff --git a/tests/run-make/const-trait-stable-toolchain/rmake.rs b/tests/run-make/const-trait-stable-toolchain/rmake.rs
new file mode 100644
index 00000000000..241de11ed59
--- /dev/null
+++ b/tests/run-make/const-trait-stable-toolchain/rmake.rs
@@ -0,0 +1,59 @@
+// Test output of const super trait errors in both stable and nightly.
+// We don't want to provide suggestions on stable that only make sense in nightly.
+
+use run_make_support::{diff, rustc};
+
+fn main() {
+    let out = rustc()
+        .input("const-super-trait.rs")
+        .env("RUSTC_BOOTSTRAP", "-1")
+        .cfg("feature_enabled")
+        .run_fail()
+        .assert_stderr_not_contains(
+            "as `#[const_trait]` to allow it to have `const` implementations",
+        )
+        .stderr_utf8();
+    diff()
+        .expected_file("const-super-trait-stable-enabled.stderr")
+        .normalize(
+            "may not be used on the .* release channel",
+            "may not be used on the NIGHTLY release channel",
+        )
+        .actual_text("(rustc)", &out)
+        .run();
+    let out = rustc()
+        .input("const-super-trait.rs")
+        .cfg("feature_enabled")
+        .ui_testing()
+        .run_fail()
+        .assert_stderr_not_contains("enable `#![feature(const_trait_impl)]` in your crate and mark")
+        .assert_stderr_contains("as `#[const_trait]` to allow it to have `const` implementations")
+        .stderr_utf8();
+    diff()
+        .expected_file("const-super-trait-nightly-enabled.stderr")
+        .actual_text("(rustc)", &out)
+        .run();
+    let out = rustc()
+        .input("const-super-trait.rs")
+        .env("RUSTC_BOOTSTRAP", "-1")
+        .run_fail()
+        .assert_stderr_not_contains("enable `#![feature(const_trait_impl)]` in your crate and mark")
+        .assert_stderr_not_contains(
+            "as `#[const_trait]` to allow it to have `const` implementations",
+        )
+        .stderr_utf8();
+    diff()
+        .expected_file("const-super-trait-stable-disabled.stderr")
+        .actual_text("(rustc)", &out)
+        .run();
+    let out = rustc()
+        .input("const-super-trait.rs")
+        .ui_testing()
+        .run_fail()
+        .assert_stderr_contains("enable `#![feature(const_trait_impl)]` in your crate and mark")
+        .stderr_utf8();
+    diff()
+        .expected_file("const-super-trait-nightly-disabled.stderr")
+        .actual_text("(rustc)", &out)
+        .run();
+}
diff --git a/tests/run-make/libs-through-symlinks/Makefile b/tests/run-make/libs-through-symlinks/Makefile
index 592eae663a4..c6ff566a0e8 100644
--- a/tests/run-make/libs-through-symlinks/Makefile
+++ b/tests/run-make/libs-through-symlinks/Makefile
@@ -3,10 +3,20 @@ include ../tools.mk
 
 # ignore-windows
 
+# The option -n for the AIX ln command has a different purpose than it does
+# on Linux. On Linux, the -n option is used to treat the destination path as
+# normal file if it is a symbolic link to a directory, which is the default
+# behavior of the AIX ln command.
+ifeq ($(UNAME),AIX)
+LN_FLAGS := -sf
+else
+LN_FLAGS := -nsf
+endif
+
 NAME := $(shell $(RUSTC) --print file-names foo.rs)
 
 all:
 	mkdir -p $(TMPDIR)/outdir
 	$(RUSTC) foo.rs -o $(TMPDIR)/outdir/$(NAME)
-	ln -nsf outdir/$(NAME) $(TMPDIR)
+	ln $(LN_FLAGS) outdir/$(NAME) $(TMPDIR)
 	RUSTC_LOG=rustc_metadata::loader $(RUSTC) bar.rs
diff --git a/tests/rustdoc/inline_cross/auxiliary/assoc_item_trait_bounds.rs b/tests/rustdoc/inline_cross/auxiliary/assoc_item_trait_bounds.rs
index 56708ec9310..6ab3cc6f6fe 100644
--- a/tests/rustdoc/inline_cross/auxiliary/assoc_item_trait_bounds.rs
+++ b/tests/rustdoc/inline_cross/auxiliary/assoc_item_trait_bounds.rs
@@ -1,5 +1,3 @@
-#![feature(async_closure)]
-
 use std::ops::AsyncFnMut;
 
 pub trait Main {
diff --git a/tests/ui/alias-uninit-value.rs b/tests/ui/alias-uninit-value.rs
deleted file mode 100644
index 0084a98e627..00000000000
--- a/tests/ui/alias-uninit-value.rs
+++ /dev/null
@@ -1,19 +0,0 @@
-//@ run-pass
-
-#![allow(non_camel_case_types)]
-#![allow(dead_code)]
-
-
-
-// Regression test for issue #374
-
-
-enum sty { ty_nil, }
-
-struct RawT {struct_: sty, cname: Option<String>, hash: usize}
-
-fn mk_raw_ty(st: sty, cname: Option<String>) -> RawT {
-    return RawT {struct_: st, cname: cname, hash: 0};
-}
-
-pub fn main() { mk_raw_ty(sty::ty_nil, None::<String>); }
diff --git a/tests/ui/allow-non-lint-warnings.rs b/tests/ui/allow-non-lint-warnings.rs
deleted file mode 100644
index f8f5a78ebff..00000000000
--- a/tests/ui/allow-non-lint-warnings.rs
+++ /dev/null
@@ -1,8 +0,0 @@
-//@ compile-flags: -Awarnings
-//@ check-pass
-
-#[derive()]
-#[derive(Copy, Clone)]
-pub struct Foo;
-
-pub fn main() {}
diff --git a/tests/ui/artificial-block.rs b/tests/ui/artificial-block.rs
deleted file mode 100644
index 037163b4174..00000000000
--- a/tests/ui/artificial-block.rs
+++ /dev/null
@@ -1,5 +0,0 @@
-//@ run-pass
-
-fn f() -> isize { { return 3; } }
-
-pub fn main() { assert_eq!(f(), 3); }
diff --git a/tests/ui/as-precedence.rs b/tests/ui/as-precedence.rs
deleted file mode 100644
index 5021a3b677f..00000000000
--- a/tests/ui/as-precedence.rs
+++ /dev/null
@@ -1,10 +0,0 @@
-//@ run-pass
-
-#[allow(unused_parens)]
-fn main() {
-    assert_eq!(3 as usize * 3, 9);
-    assert_eq!(3 as (usize) * 3, 9);
-    assert_eq!(3 as (usize) / 3, 1);
-    assert_eq!(3 as usize + 3, 6);
-    assert_eq!(3 as (usize) + 3, 6);
-}
diff --git a/tests/ui/asm/aarch64/srcloc.new.stderr b/tests/ui/asm/aarch64/srcloc.new.stderr
new file mode 100644
index 00000000000..b92a07e5fb1
--- /dev/null
+++ b/tests/ui/asm/aarch64/srcloc.new.stderr
@@ -0,0 +1,320 @@
+error: unrecognized instruction mnemonic
+  --> $DIR/srcloc.rs:15:15
+   |
+LL |         asm!("invalid_instruction");
+   |               ^^^^^^^^^^^^^^^^^^^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:1:2
+   |
+LL |     invalid_instruction
+   |     ^
+
+error: unrecognized instruction mnemonic
+  --> $DIR/srcloc.rs:19:13
+   |
+LL |             invalid_instruction
+   |             ^^^^^^^^^^^^^^^^^^^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:2:13
+   |
+LL |             invalid_instruction
+   |             ^
+
+error: unrecognized instruction mnemonic
+  --> $DIR/srcloc.rs:24:13
+   |
+LL |             invalid_instruction
+   |             ^^^^^^^^^^^^^^^^^^^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:2:13
+   |
+LL |             invalid_instruction
+   |             ^
+
+error: unrecognized instruction mnemonic
+  --> $DIR/srcloc.rs:30:13
+   |
+LL |             invalid_instruction
+   |             ^^^^^^^^^^^^^^^^^^^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:3:13
+   |
+LL |             invalid_instruction
+   |             ^
+
+error: unrecognized instruction mnemonic
+  --> $DIR/srcloc.rs:37:13
+   |
+LL |             invalid_instruction
+   |             ^^^^^^^^^^^^^^^^^^^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:3:13
+   |
+LL |             invalid_instruction
+   |             ^
+
+error: unrecognized instruction mnemonic
+  --> $DIR/srcloc.rs:42:14
+   |
+LL |         asm!(concat!("invalid", "_", "instruction"));
+   |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:1:2
+   |
+LL |     invalid_instruction
+   |     ^
+
+error: unrecognized instruction mnemonic
+  --> $DIR/srcloc.rs:46:14
+   |
+LL |             "invalid_instruction",
+   |              ^^^^^^^^^^^^^^^^^^^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:1:2
+   |
+LL |     invalid_instruction
+   |     ^
+
+error: unrecognized instruction mnemonic
+  --> $DIR/srcloc.rs:52:14
+   |
+LL |             "invalid_instruction",
+   |              ^^^^^^^^^^^^^^^^^^^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:2:1
+   |
+LL | invalid_instruction
+   | ^
+
+error: unrecognized instruction mnemonic
+  --> $DIR/srcloc.rs:59:14
+   |
+LL |             "invalid_instruction",
+   |              ^^^^^^^^^^^^^^^^^^^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:3:1
+   |
+LL | invalid_instruction
+   | ^
+
+error: unrecognized instruction mnemonic
+  --> $DIR/srcloc.rs:66:13
+   |
+LL |             concat!("invalid", "_", "instruction"),
+   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:2:1
+   |
+LL | invalid_instruction
+   | ^
+
+error: unrecognized instruction mnemonic
+  --> $DIR/srcloc.rs:73:13
+   |
+LL |             concat!("invalid", "_", "instruction"),
+   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:2:1
+   |
+LL | invalid_instruction
+   | ^
+
+error: unrecognized instruction mnemonic
+  --> $DIR/srcloc.rs:80:14
+   |
+LL |             "invalid_instruction1",
+   |              ^^^^^^^^^^^^^^^^^^^^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:1:2
+   |
+LL |     invalid_instruction1
+   |     ^
+
+error: unrecognized instruction mnemonic
+  --> $DIR/srcloc.rs:81:14
+   |
+LL |             "invalid_instruction2",
+   |              ^^^^^^^^^^^^^^^^^^^^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:2:1
+   |
+LL | invalid_instruction2
+   | ^
+
+error: unrecognized instruction mnemonic
+  --> $DIR/srcloc.rs:87:13
+   |
+LL | /             concat!(
+LL | |                 "invalid", "_", "instruction1", "\n",
+LL | |                 "invalid", "_", "instruction2",
+LL | |             ),
+   | |_____________^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:1:2
+   |
+LL |     invalid_instruction1
+   |     ^
+
+error: unrecognized instruction mnemonic
+  --> $DIR/srcloc.rs:87:13
+   |
+LL | /             concat!(
+LL | |                 "invalid", "_", "instruction1", "\n",
+LL | |                 "invalid", "_", "instruction2",
+LL | |             ),
+   | |_____________^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:2:1
+   |
+LL | invalid_instruction2
+   | ^
+
+error: unrecognized instruction mnemonic
+  --> $DIR/srcloc.rs:96:13
+   |
+LL | /             concat!(
+LL | |                 "invalid", "_", "instruction1", "\n",
+LL | |                 "invalid", "_", "instruction2",
+LL | |             ),
+   | |_____________^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:1:2
+   |
+LL |     invalid_instruction1
+   |     ^
+
+error: unrecognized instruction mnemonic
+  --> $DIR/srcloc.rs:96:13
+   |
+LL | /             concat!(
+LL | |                 "invalid", "_", "instruction1", "\n",
+LL | |                 "invalid", "_", "instruction2",
+LL | |             ),
+   | |_____________^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:2:1
+   |
+LL | invalid_instruction2
+   | ^
+
+error: unrecognized instruction mnemonic
+  --> $DIR/srcloc.rs:100:13
+   |
+LL | /             concat!(
+LL | |                 "invalid", "_", "instruction3", "\n",
+LL | |                 "invalid", "_", "instruction4",
+LL | |             ),
+   | |_____________^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:3:1
+   |
+LL | invalid_instruction3
+   | ^
+
+error: unrecognized instruction mnemonic
+  --> $DIR/srcloc.rs:100:13
+   |
+LL | /             concat!(
+LL | |                 "invalid", "_", "instruction3", "\n",
+LL | |                 "invalid", "_", "instruction4",
+LL | |             ),
+   | |_____________^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:4:1
+   |
+LL | invalid_instruction4
+   | ^
+
+error: unrecognized instruction mnemonic
+  --> $DIR/srcloc.rs:111:13
+   |
+LL | /             concat!(
+LL | |                 "invalid", "_", "instruction1", "\n",
+LL | |                 "invalid", "_", "instruction2", "\n",
+LL | |             ),
+   | |_____________^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:1:2
+   |
+LL |     invalid_instruction1
+   |     ^
+
+error: unrecognized instruction mnemonic
+  --> $DIR/srcloc.rs:111:13
+   |
+LL | /             concat!(
+LL | |                 "invalid", "_", "instruction1", "\n",
+LL | |                 "invalid", "_", "instruction2", "\n",
+LL | |             ),
+   | |_____________^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:2:1
+   |
+LL | invalid_instruction2
+   | ^
+
+error: unrecognized instruction mnemonic
+  --> $DIR/srcloc.rs:115:13
+   |
+LL | /             concat!(
+LL | |                 "invalid", "_", "instruction3", "\n",
+LL | |                 "invalid", "_", "instruction4", "\n",
+LL | |             ),
+   | |_____________^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:4:1
+   |
+LL | invalid_instruction3
+   | ^
+
+error: unrecognized instruction mnemonic
+  --> $DIR/srcloc.rs:115:13
+   |
+LL | /             concat!(
+LL | |                 "invalid", "_", "instruction3", "\n",
+LL | |                 "invalid", "_", "instruction4", "\n",
+LL | |             ),
+   | |_____________^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:5:1
+   |
+LL | invalid_instruction4
+   | ^
+
+error: unrecognized instruction mnemonic
+  --> $DIR/srcloc.rs:128:14
+   |
+LL |             "invalid_instruction"
+   |              ^^^^^^^^^^^^^^^^^^^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:4:1
+   |
+LL | invalid_instruction
+   | ^
+
+error: aborting due to 24 previous errors
+
diff --git a/tests/ui/asm/aarch64/srcloc.stderr b/tests/ui/asm/aarch64/srcloc.old.stderr
index 2e17b60b912..2a15e48f025 100644
--- a/tests/ui/asm/aarch64/srcloc.stderr
+++ b/tests/ui/asm/aarch64/srcloc.old.stderr
@@ -1,5 +1,5 @@
 error: unrecognized instruction mnemonic
-  --> $DIR/srcloc.rs:12:15
+  --> $DIR/srcloc.rs:15:15
    |
 LL |         asm!("invalid_instruction");
    |               ^
@@ -11,7 +11,7 @@ LL |     invalid_instruction
    |     ^
 
 error: unrecognized instruction mnemonic
-  --> $DIR/srcloc.rs:16:13
+  --> $DIR/srcloc.rs:19:13
    |
 LL |             invalid_instruction
    |             ^
@@ -23,7 +23,7 @@ LL |             invalid_instruction
    |             ^
 
 error: unrecognized instruction mnemonic
-  --> $DIR/srcloc.rs:21:13
+  --> $DIR/srcloc.rs:24:13
    |
 LL |             invalid_instruction
    |             ^
@@ -35,7 +35,7 @@ LL |             invalid_instruction
    |             ^
 
 error: unrecognized instruction mnemonic
-  --> $DIR/srcloc.rs:27:13
+  --> $DIR/srcloc.rs:30:13
    |
 LL |             invalid_instruction
    |             ^
@@ -47,7 +47,7 @@ LL |             invalid_instruction
    |             ^
 
 error: unrecognized instruction mnemonic
-  --> $DIR/srcloc.rs:34:13
+  --> $DIR/srcloc.rs:37:13
    |
 LL |             invalid_instruction
    |             ^
@@ -59,7 +59,7 @@ LL |             invalid_instruction
    |             ^
 
 error: unrecognized instruction mnemonic
-  --> $DIR/srcloc.rs:39:14
+  --> $DIR/srcloc.rs:42:14
    |
 LL |         asm!(concat!("invalid", "_", "instruction"));
    |              ^
@@ -71,7 +71,7 @@ LL |     invalid_instruction
    |     ^
 
 error: unrecognized instruction mnemonic
-  --> $DIR/srcloc.rs:43:14
+  --> $DIR/srcloc.rs:46:14
    |
 LL |             "invalid_instruction",
    |              ^
@@ -83,7 +83,7 @@ LL |     invalid_instruction
    |     ^
 
 error: unrecognized instruction mnemonic
-  --> $DIR/srcloc.rs:49:14
+  --> $DIR/srcloc.rs:52:14
    |
 LL |             "invalid_instruction",
    |              ^
@@ -95,7 +95,7 @@ LL | invalid_instruction
    | ^
 
 error: unrecognized instruction mnemonic
-  --> $DIR/srcloc.rs:56:14
+  --> $DIR/srcloc.rs:59:14
    |
 LL |             "invalid_instruction",
    |              ^
@@ -107,7 +107,7 @@ LL | invalid_instruction
    | ^
 
 error: unrecognized instruction mnemonic
-  --> $DIR/srcloc.rs:63:13
+  --> $DIR/srcloc.rs:66:13
    |
 LL |             concat!("invalid", "_", "instruction"),
    |             ^
@@ -119,7 +119,7 @@ LL | invalid_instruction
    | ^
 
 error: unrecognized instruction mnemonic
-  --> $DIR/srcloc.rs:70:13
+  --> $DIR/srcloc.rs:73:13
    |
 LL |             concat!("invalid", "_", "instruction"),
    |             ^
@@ -131,7 +131,7 @@ LL | invalid_instruction
    | ^
 
 error: unrecognized instruction mnemonic
-  --> $DIR/srcloc.rs:77:14
+  --> $DIR/srcloc.rs:80:14
    |
 LL |             "invalid_instruction1",
    |              ^
@@ -143,7 +143,7 @@ LL |     invalid_instruction1
    |     ^
 
 error: unrecognized instruction mnemonic
-  --> $DIR/srcloc.rs:78:14
+  --> $DIR/srcloc.rs:81:14
    |
 LL |             "invalid_instruction2",
    |              ^
@@ -155,7 +155,7 @@ LL | invalid_instruction2
    | ^
 
 error: unrecognized instruction mnemonic
-  --> $DIR/srcloc.rs:84:13
+  --> $DIR/srcloc.rs:87:13
    |
 LL |             concat!(
    |             ^
@@ -167,7 +167,7 @@ LL |     invalid_instruction1
    |     ^
 
 error: unrecognized instruction mnemonic
-  --> $DIR/srcloc.rs:84:13
+  --> $DIR/srcloc.rs:87:13
    |
 LL |             concat!(
    |             ^
@@ -179,7 +179,7 @@ LL | invalid_instruction2
    | ^
 
 error: unrecognized instruction mnemonic
-  --> $DIR/srcloc.rs:93:13
+  --> $DIR/srcloc.rs:96:13
    |
 LL |             concat!(
    |             ^
@@ -191,7 +191,7 @@ LL |     invalid_instruction1
    |     ^
 
 error: unrecognized instruction mnemonic
-  --> $DIR/srcloc.rs:93:13
+  --> $DIR/srcloc.rs:96:13
    |
 LL |             concat!(
    |             ^
@@ -203,7 +203,7 @@ LL | invalid_instruction2
    | ^
 
 error: unrecognized instruction mnemonic
-  --> $DIR/srcloc.rs:97:13
+  --> $DIR/srcloc.rs:100:13
    |
 LL |             concat!(
    |             ^
@@ -215,7 +215,7 @@ LL | invalid_instruction3
    | ^
 
 error: unrecognized instruction mnemonic
-  --> $DIR/srcloc.rs:97:13
+  --> $DIR/srcloc.rs:100:13
    |
 LL |             concat!(
    |             ^
@@ -227,7 +227,7 @@ LL | invalid_instruction4
    | ^
 
 error: unrecognized instruction mnemonic
-  --> $DIR/srcloc.rs:108:13
+  --> $DIR/srcloc.rs:111:13
    |
 LL |             concat!(
    |             ^
@@ -239,7 +239,7 @@ LL |     invalid_instruction1
    |     ^
 
 error: unrecognized instruction mnemonic
-  --> $DIR/srcloc.rs:108:13
+  --> $DIR/srcloc.rs:111:13
    |
 LL |             concat!(
    |             ^
@@ -251,7 +251,7 @@ LL | invalid_instruction2
    | ^
 
 error: unrecognized instruction mnemonic
-  --> $DIR/srcloc.rs:112:13
+  --> $DIR/srcloc.rs:115:13
    |
 LL |             concat!(
    |             ^
@@ -263,7 +263,7 @@ LL | invalid_instruction3
    | ^
 
 error: unrecognized instruction mnemonic
-  --> $DIR/srcloc.rs:112:13
+  --> $DIR/srcloc.rs:115:13
    |
 LL |             concat!(
    |             ^
@@ -275,7 +275,7 @@ LL | invalid_instruction4
    | ^
 
 error: unrecognized instruction mnemonic
-  --> $DIR/srcloc.rs:125:14
+  --> $DIR/srcloc.rs:128:14
    |
 LL |             "invalid_instruction"
    |              ^
diff --git a/tests/ui/asm/aarch64/srcloc.rs b/tests/ui/asm/aarch64/srcloc.rs
index c635fa6ba70..9b92dfef056 100644
--- a/tests/ui/asm/aarch64/srcloc.rs
+++ b/tests/ui/asm/aarch64/srcloc.rs
@@ -1,7 +1,10 @@
+//@ revisions: old new
 //@ only-aarch64
 //@ build-fail
 //@ needs-asm-support
 //@ compile-flags: -Ccodegen-units=1
+//@[old] ignore-llvm-version: 19 - 99
+//@[new] min-llvm-version: 19
 
 use std::arch::asm;
 
diff --git a/tests/ui/asm/generic_const_simd_vec_len.rs b/tests/ui/asm/generic_const_simd_vec_len.rs
new file mode 100644
index 00000000000..fb8c5274ddb
--- /dev/null
+++ b/tests/ui/asm/generic_const_simd_vec_len.rs
@@ -0,0 +1,21 @@
+//! This is a regression test to ensure that we emit a diagnostic pointing to the
+//! reason the type was rejected in inline assembly.
+
+//@ only-x86_64
+
+#![feature(repr_simd)]
+
+#[repr(simd)]
+#[derive(Copy, Clone)]
+pub struct Foo<const C: usize>([u8; C]);
+//~^ ERROR: cannot evaluate SIMD vector length
+
+pub unsafe fn foo<const C: usize>(a: Foo<C>) {
+    std::arch::asm!(
+        "movaps {src}, {src}",
+        src = in(xmm_reg) a,
+        //~^ NOTE: SIMD vector length needs to be known statically
+    );
+}
+
+fn main() {}
diff --git a/tests/ui/asm/generic_const_simd_vec_len.stderr b/tests/ui/asm/generic_const_simd_vec_len.stderr
new file mode 100644
index 00000000000..486281b6062
--- /dev/null
+++ b/tests/ui/asm/generic_const_simd_vec_len.stderr
@@ -0,0 +1,14 @@
+error: cannot evaluate SIMD vector length `C`
+  --> $DIR/generic_const_simd_vec_len.rs:10:32
+   |
+LL | pub struct Foo<const C: usize>([u8; C]);
+   |                                ^^^^^^^
+   |
+note: SIMD vector length needs to be known statically for use in `asm!`
+  --> $DIR/generic_const_simd_vec_len.rs:16:27
+   |
+LL |         src = in(xmm_reg) a,
+   |                           ^
+
+error: aborting due to 1 previous error
+
diff --git a/tests/ui/asm/inline-syntax.arm.stderr b/tests/ui/asm/inline-syntax.arm.stderr
index 61e5078d6d9..e36ec125d13 100644
--- a/tests/ui/asm/inline-syntax.arm.stderr
+++ b/tests/ui/asm/inline-syntax.arm.stderr
@@ -15,10 +15,10 @@ LL | .intel_syntax noprefix
    | ^
 
 error: unknown directive
-  --> $DIR/inline-syntax.rs:29:15
+  --> $DIR/inline-syntax.rs:35:15
    |
 LL |         asm!(".intel_syntax noprefix", "nop");
-   |               ^
+   |               ^^^^^^^^^^^^^^^^^^^^^^
    |
 note: instantiated into assembly here
   --> <inline asm>:1:2
@@ -27,10 +27,10 @@ LL |     .intel_syntax noprefix
    |     ^
 
 error: unknown directive
-  --> $DIR/inline-syntax.rs:32:15
+  --> $DIR/inline-syntax.rs:39:15
    |
 LL |         asm!(".intel_syntax aaa noprefix", "nop");
-   |               ^
+   |               ^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
 note: instantiated into assembly here
   --> <inline asm>:1:2
@@ -39,10 +39,10 @@ LL |     .intel_syntax aaa noprefix
    |     ^
 
 error: unknown directive
-  --> $DIR/inline-syntax.rs:35:15
+  --> $DIR/inline-syntax.rs:43:15
    |
 LL |         asm!(".att_syntax noprefix", "nop");
-   |               ^
+   |               ^^^^^^^^^^^^^^^^^^^^
    |
 note: instantiated into assembly here
   --> <inline asm>:1:2
@@ -51,10 +51,10 @@ LL |     .att_syntax noprefix
    |     ^
 
 error: unknown directive
-  --> $DIR/inline-syntax.rs:38:15
+  --> $DIR/inline-syntax.rs:47:15
    |
 LL |         asm!(".att_syntax bbb noprefix", "nop");
-   |               ^
+   |               ^^^^^^^^^^^^^^^^^^^^^^^^
    |
 note: instantiated into assembly here
   --> <inline asm>:1:2
@@ -63,10 +63,10 @@ LL |     .att_syntax bbb noprefix
    |     ^
 
 error: unknown directive
-  --> $DIR/inline-syntax.rs:41:15
+  --> $DIR/inline-syntax.rs:51:15
    |
 LL |         asm!(".intel_syntax noprefix; nop");
-   |               ^
+   |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
 note: instantiated into assembly here
   --> <inline asm>:1:2
@@ -75,10 +75,10 @@ LL |     .intel_syntax noprefix; nop
    |     ^
 
 error: unknown directive
-  --> $DIR/inline-syntax.rs:47:13
+  --> $DIR/inline-syntax.rs:58:13
    |
 LL |             .intel_syntax noprefix
-   |             ^
+   |             ^^^^^^^^^^^^^^^^^^^^^^
    |
 note: instantiated into assembly here
   --> <inline asm>:2:13
diff --git a/tests/ui/asm/inline-syntax.arm_llvm_18.stderr b/tests/ui/asm/inline-syntax.arm_llvm_18.stderr
new file mode 100644
index 00000000000..ada3f4891d3
--- /dev/null
+++ b/tests/ui/asm/inline-syntax.arm_llvm_18.stderr
@@ -0,0 +1,90 @@
+error: unknown directive
+   |
+note: instantiated into assembly here
+  --> <inline asm>:1:1
+   |
+LL | .intel_syntax noprefix
+   | ^
+
+error: unknown directive
+   |
+note: instantiated into assembly here
+  --> <inline asm>:1:1
+   |
+LL | .intel_syntax noprefix
+   | ^
+
+error: unknown directive
+  --> $DIR/inline-syntax.rs:35:15
+   |
+LL |         asm!(".intel_syntax noprefix", "nop");
+   |               ^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:1:2
+   |
+LL |     .intel_syntax noprefix
+   |     ^
+
+error: unknown directive
+  --> $DIR/inline-syntax.rs:39:15
+   |
+LL |         asm!(".intel_syntax aaa noprefix", "nop");
+   |               ^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:1:2
+   |
+LL |     .intel_syntax aaa noprefix
+   |     ^
+
+error: unknown directive
+  --> $DIR/inline-syntax.rs:43:15
+   |
+LL |         asm!(".att_syntax noprefix", "nop");
+   |               ^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:1:2
+   |
+LL |     .att_syntax noprefix
+   |     ^
+
+error: unknown directive
+  --> $DIR/inline-syntax.rs:47:15
+   |
+LL |         asm!(".att_syntax bbb noprefix", "nop");
+   |               ^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:1:2
+   |
+LL |     .att_syntax bbb noprefix
+   |     ^
+
+error: unknown directive
+  --> $DIR/inline-syntax.rs:51:15
+   |
+LL |         asm!(".intel_syntax noprefix; nop");
+   |               ^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:1:2
+   |
+LL |     .intel_syntax noprefix; nop
+   |     ^
+
+error: unknown directive
+  --> $DIR/inline-syntax.rs:58:13
+   |
+LL |             .intel_syntax noprefix
+   |             ^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:2:13
+   |
+LL |             .intel_syntax noprefix
+   |             ^
+
+error: aborting due to 8 previous errors
+
diff --git a/tests/ui/asm/inline-syntax.rs b/tests/ui/asm/inline-syntax.rs
index b8486527e6f..fda79b2afa3 100644
--- a/tests/ui/asm/inline-syntax.rs
+++ b/tests/ui/asm/inline-syntax.rs
@@ -1,10 +1,16 @@
-//@ revisions: x86_64 arm
+//@ revisions: x86_64 arm_llvm_18 arm
 //@[x86_64] compile-flags: --target x86_64-unknown-linux-gnu
 //@[x86_64] check-pass
 //@[x86_64] needs-llvm-components: x86
+//@[arm_llvm_18] compile-flags: --target armv7-unknown-linux-gnueabihf
+//@[arm_llvm_18] build-fail
+//@[arm_llvm_18] needs-llvm-components: arm
+//@[arm_llvm_18] ignore-llvm-version: 19 - 99
+// LLVM 19+ has full support for 64-bit cookies.
 //@[arm] compile-flags: --target armv7-unknown-linux-gnueabihf
 //@[arm] build-fail
 //@[arm] needs-llvm-components: arm
+//@[arm] min-llvm-version: 19
 //@ needs-asm-support
 
 #![feature(no_core, lang_items, rustc_attrs)]
@@ -29,18 +35,23 @@ pub fn main() {
         asm!(".intel_syntax noprefix", "nop");
         //[x86_64]~^ WARN avoid using `.intel_syntax`
         //[arm]~^^ ERROR unknown directive
+        //[arm_llvm_18]~^^^ ERROR unknown directive
         asm!(".intel_syntax aaa noprefix", "nop");
         //[x86_64]~^ WARN avoid using `.intel_syntax`
         //[arm]~^^ ERROR unknown directive
+        //[arm_llvm_18]~^^^ ERROR unknown directive
         asm!(".att_syntax noprefix", "nop");
         //[x86_64]~^ WARN avoid using `.att_syntax`
         //[arm]~^^ ERROR unknown directive
+        //[arm_llvm_18]~^^^ ERROR unknown directive
         asm!(".att_syntax bbb noprefix", "nop");
         //[x86_64]~^ WARN avoid using `.att_syntax`
         //[arm]~^^ ERROR unknown directive
+        //[arm_llvm_18]~^^^ ERROR unknown directive
         asm!(".intel_syntax noprefix; nop");
         //[x86_64]~^ WARN avoid using `.intel_syntax`
         //[arm]~^^ ERROR unknown directive
+        //[arm_llvm_18]~^^^ ERROR unknown directive
 
         asm!(
             r"
@@ -49,9 +60,10 @@ pub fn main() {
         );
         //[x86_64]~^^^ WARN avoid using `.intel_syntax`
         //[arm]~^^^^ ERROR unknown directive
+        //[arm_llvm_18]~^^^^^ ERROR unknown directive
     }
 }
 
 global_asm!(".intel_syntax noprefix", "nop");
 //[x86_64]~^ WARN avoid using `.intel_syntax`
-// Assembler errors don't have line numbers, so no error on ARM
+// Global assembly errors don't have line numbers, so no error on ARM.
diff --git a/tests/ui/asm/inline-syntax.x86_64.stderr b/tests/ui/asm/inline-syntax.x86_64.stderr
index 59c95194322..66dc37f3089 100644
--- a/tests/ui/asm/inline-syntax.x86_64.stderr
+++ b/tests/ui/asm/inline-syntax.x86_64.stderr
@@ -1,5 +1,5 @@
 warning: avoid using `.intel_syntax`, Intel syntax is the default
-  --> $DIR/inline-syntax.rs:55:14
+  --> $DIR/inline-syntax.rs:67:14
    |
 LL | global_asm!(".intel_syntax noprefix", "nop");
    |              ^^^^^^^^^^^^^^^^^^^^^^
@@ -7,37 +7,37 @@ LL | global_asm!(".intel_syntax noprefix", "nop");
    = note: `#[warn(bad_asm_style)]` on by default
 
 warning: avoid using `.intel_syntax`, Intel syntax is the default
-  --> $DIR/inline-syntax.rs:29:15
+  --> $DIR/inline-syntax.rs:35:15
    |
 LL |         asm!(".intel_syntax noprefix", "nop");
    |               ^^^^^^^^^^^^^^^^^^^^^^
 
 warning: avoid using `.intel_syntax`, Intel syntax is the default
-  --> $DIR/inline-syntax.rs:32:15
+  --> $DIR/inline-syntax.rs:39:15
    |
 LL |         asm!(".intel_syntax aaa noprefix", "nop");
    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 warning: avoid using `.att_syntax`, prefer using `options(att_syntax)` instead
-  --> $DIR/inline-syntax.rs:35:15
+  --> $DIR/inline-syntax.rs:43:15
    |
 LL |         asm!(".att_syntax noprefix", "nop");
    |               ^^^^^^^^^^^^^^^^^^^^
 
 warning: avoid using `.att_syntax`, prefer using `options(att_syntax)` instead
-  --> $DIR/inline-syntax.rs:38:15
+  --> $DIR/inline-syntax.rs:47:15
    |
 LL |         asm!(".att_syntax bbb noprefix", "nop");
    |               ^^^^^^^^^^^^^^^^^^^^^^^^
 
 warning: avoid using `.intel_syntax`, Intel syntax is the default
-  --> $DIR/inline-syntax.rs:41:15
+  --> $DIR/inline-syntax.rs:51:15
    |
 LL |         asm!(".intel_syntax noprefix; nop");
    |               ^^^^^^^^^^^^^^^^^^^^^^
 
 warning: avoid using `.intel_syntax`, Intel syntax is the default
-  --> $DIR/inline-syntax.rs:47:13
+  --> $DIR/inline-syntax.rs:58:13
    |
 LL |             .intel_syntax noprefix
    |             ^^^^^^^^^^^^^^^^^^^^^^
diff --git a/tests/ui/asm/naked-functions-instruction-set.rs b/tests/ui/asm/naked-functions-instruction-set.rs
index 37c7b52c191..3a6e7a46ce5 100644
--- a/tests/ui/asm/naked-functions-instruction-set.rs
+++ b/tests/ui/asm/naked-functions-instruction-set.rs
@@ -24,7 +24,7 @@ unsafe extern "C" fn test_thumb() {
 
 #[no_mangle]
 #[naked]
-#[instruction_set(arm::t32)]
+#[instruction_set(arm::a32)]
 unsafe extern "C" fn test_arm() {
     naked_asm!("bx lr");
 }
diff --git a/tests/ui/asm/naked-functions.rs b/tests/ui/asm/naked-functions.rs
index 5c58f1498cc..e7e5d84f2a5 100644
--- a/tests/ui/asm/naked-functions.rs
+++ b/tests/ui/asm/naked-functions.rs
@@ -219,7 +219,6 @@ pub unsafe extern "C" fn compatible_must_use_attributes() -> u64 {
 
 #[export_name = "exported_function_name"]
 #[link_section = ".custom_section"]
-#[no_mangle]
 #[naked]
 pub unsafe extern "C" fn compatible_ffi_attributes_1() {
     naked_asm!("", options(raw));
diff --git a/tests/ui/asm/named_const_simd_vec_len.rs b/tests/ui/asm/named_const_simd_vec_len.rs
new file mode 100644
index 00000000000..7df4d922d5c
--- /dev/null
+++ b/tests/ui/asm/named_const_simd_vec_len.rs
@@ -0,0 +1,22 @@
+//! This is a regression test to ensure that we evaluate
+//! SIMD vector length constants instead of assuming they are literals.
+
+//@ only-x86_64
+//@ check-pass
+
+#![feature(repr_simd)]
+
+const C: usize = 16;
+
+#[repr(simd)]
+#[derive(Copy, Clone)]
+pub struct Foo([u8; C]);
+
+pub unsafe fn foo(a: Foo) {
+    std::arch::asm!(
+        "movaps {src}, {src}",
+        src = in(xmm_reg) a,
+    );
+}
+
+fn main() {}
diff --git a/tests/ui/asm/riscv/riscv32e-registers.riscv32e.stderr b/tests/ui/asm/riscv/riscv32e-registers.riscv32e.stderr
index e7a86805b26..ac1373f0e2d 100644
--- a/tests/ui/asm/riscv/riscv32e-registers.riscv32e.stderr
+++ b/tests/ui/asm/riscv/riscv32e-registers.riscv32e.stderr
@@ -1,8 +1,8 @@
 error: invalid operand for instruction
-  --> $DIR/riscv32e-registers.rs:46:11
+  --> $DIR/riscv32e-registers.rs:58:11
    |
 LL |     asm!("li x16, 0");
-   |           ^
+   |           ^^^^^^^^^
    |
 note: instantiated into assembly here
   --> <inline asm>:1:5
@@ -11,10 +11,10 @@ LL |     li x16, 0
    |        ^
 
 error: invalid operand for instruction
-  --> $DIR/riscv32e-registers.rs:49:11
+  --> $DIR/riscv32e-registers.rs:61:11
    |
 LL |     asm!("li x17, 0");
-   |           ^
+   |           ^^^^^^^^^
    |
 note: instantiated into assembly here
   --> <inline asm>:1:5
@@ -23,10 +23,10 @@ LL |     li x17, 0
    |        ^
 
 error: invalid operand for instruction
-  --> $DIR/riscv32e-registers.rs:52:11
+  --> $DIR/riscv32e-registers.rs:64:11
    |
 LL |     asm!("li x18, 0");
-   |           ^
+   |           ^^^^^^^^^
    |
 note: instantiated into assembly here
   --> <inline asm>:1:5
@@ -35,10 +35,10 @@ LL |     li x18, 0
    |        ^
 
 error: invalid operand for instruction
-  --> $DIR/riscv32e-registers.rs:55:11
+  --> $DIR/riscv32e-registers.rs:67:11
    |
 LL |     asm!("li x19, 0");
-   |           ^
+   |           ^^^^^^^^^
    |
 note: instantiated into assembly here
   --> <inline asm>:1:5
@@ -47,10 +47,10 @@ LL |     li x19, 0
    |        ^
 
 error: invalid operand for instruction
-  --> $DIR/riscv32e-registers.rs:58:11
+  --> $DIR/riscv32e-registers.rs:70:11
    |
 LL |     asm!("li x20, 0");
-   |           ^
+   |           ^^^^^^^^^
    |
 note: instantiated into assembly here
   --> <inline asm>:1:5
@@ -59,10 +59,10 @@ LL |     li x20, 0
    |        ^
 
 error: invalid operand for instruction
-  --> $DIR/riscv32e-registers.rs:61:11
+  --> $DIR/riscv32e-registers.rs:73:11
    |
 LL |     asm!("li x21, 0");
-   |           ^
+   |           ^^^^^^^^^
    |
 note: instantiated into assembly here
   --> <inline asm>:1:5
@@ -71,10 +71,10 @@ LL |     li x21, 0
    |        ^
 
 error: invalid operand for instruction
-  --> $DIR/riscv32e-registers.rs:64:11
+  --> $DIR/riscv32e-registers.rs:76:11
    |
 LL |     asm!("li x22, 0");
-   |           ^
+   |           ^^^^^^^^^
    |
 note: instantiated into assembly here
   --> <inline asm>:1:5
@@ -83,10 +83,10 @@ LL |     li x22, 0
    |        ^
 
 error: invalid operand for instruction
-  --> $DIR/riscv32e-registers.rs:67:11
+  --> $DIR/riscv32e-registers.rs:79:11
    |
 LL |     asm!("li x23, 0");
-   |           ^
+   |           ^^^^^^^^^
    |
 note: instantiated into assembly here
   --> <inline asm>:1:5
@@ -95,10 +95,10 @@ LL |     li x23, 0
    |        ^
 
 error: invalid operand for instruction
-  --> $DIR/riscv32e-registers.rs:70:11
+  --> $DIR/riscv32e-registers.rs:82:11
    |
 LL |     asm!("li x24, 0");
-   |           ^
+   |           ^^^^^^^^^
    |
 note: instantiated into assembly here
   --> <inline asm>:1:5
@@ -107,10 +107,10 @@ LL |     li x24, 0
    |        ^
 
 error: invalid operand for instruction
-  --> $DIR/riscv32e-registers.rs:73:11
+  --> $DIR/riscv32e-registers.rs:85:11
    |
 LL |     asm!("li x25, 0");
-   |           ^
+   |           ^^^^^^^^^
    |
 note: instantiated into assembly here
   --> <inline asm>:1:5
@@ -119,10 +119,10 @@ LL |     li x25, 0
    |        ^
 
 error: invalid operand for instruction
-  --> $DIR/riscv32e-registers.rs:76:11
+  --> $DIR/riscv32e-registers.rs:88:11
    |
 LL |     asm!("li x26, 0");
-   |           ^
+   |           ^^^^^^^^^
    |
 note: instantiated into assembly here
   --> <inline asm>:1:5
@@ -131,10 +131,10 @@ LL |     li x26, 0
    |        ^
 
 error: invalid operand for instruction
-  --> $DIR/riscv32e-registers.rs:79:11
+  --> $DIR/riscv32e-registers.rs:91:11
    |
 LL |     asm!("li x27, 0");
-   |           ^
+   |           ^^^^^^^^^
    |
 note: instantiated into assembly here
   --> <inline asm>:1:5
@@ -143,10 +143,10 @@ LL |     li x27, 0
    |        ^
 
 error: invalid operand for instruction
-  --> $DIR/riscv32e-registers.rs:82:11
+  --> $DIR/riscv32e-registers.rs:94:11
    |
 LL |     asm!("li x28, 0");
-   |           ^
+   |           ^^^^^^^^^
    |
 note: instantiated into assembly here
   --> <inline asm>:1:5
@@ -155,10 +155,10 @@ LL |     li x28, 0
    |        ^
 
 error: invalid operand for instruction
-  --> $DIR/riscv32e-registers.rs:85:11
+  --> $DIR/riscv32e-registers.rs:97:11
    |
 LL |     asm!("li x29, 0");
-   |           ^
+   |           ^^^^^^^^^
    |
 note: instantiated into assembly here
   --> <inline asm>:1:5
@@ -167,10 +167,10 @@ LL |     li x29, 0
    |        ^
 
 error: invalid operand for instruction
-  --> $DIR/riscv32e-registers.rs:88:11
+  --> $DIR/riscv32e-registers.rs:100:11
    |
 LL |     asm!("li x30, 0");
-   |           ^
+   |           ^^^^^^^^^
    |
 note: instantiated into assembly here
   --> <inline asm>:1:5
@@ -179,10 +179,10 @@ LL |     li x30, 0
    |        ^
 
 error: invalid operand for instruction
-  --> $DIR/riscv32e-registers.rs:91:11
+  --> $DIR/riscv32e-registers.rs:103:11
    |
 LL |     asm!("li x31, 0");
-   |           ^
+   |           ^^^^^^^^^
    |
 note: instantiated into assembly here
   --> <inline asm>:1:5
diff --git a/tests/ui/asm/riscv/riscv32e-registers.riscv32e_llvm_18.stderr b/tests/ui/asm/riscv/riscv32e-registers.riscv32e_llvm_18.stderr
new file mode 100644
index 00000000000..f140f54adc5
--- /dev/null
+++ b/tests/ui/asm/riscv/riscv32e-registers.riscv32e_llvm_18.stderr
@@ -0,0 +1,194 @@
+error: invalid operand for instruction
+  --> $DIR/riscv32e-registers.rs:58:11
+   |
+LL |     asm!("li x16, 0");
+   |           ^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:1:5
+   |
+LL |     li x16, 0
+   |        ^
+
+error: invalid operand for instruction
+  --> $DIR/riscv32e-registers.rs:61:11
+   |
+LL |     asm!("li x17, 0");
+   |           ^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:1:5
+   |
+LL |     li x17, 0
+   |        ^
+
+error: invalid operand for instruction
+  --> $DIR/riscv32e-registers.rs:64:11
+   |
+LL |     asm!("li x18, 0");
+   |           ^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:1:5
+   |
+LL |     li x18, 0
+   |        ^
+
+error: invalid operand for instruction
+  --> $DIR/riscv32e-registers.rs:67:11
+   |
+LL |     asm!("li x19, 0");
+   |           ^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:1:5
+   |
+LL |     li x19, 0
+   |        ^
+
+error: invalid operand for instruction
+  --> $DIR/riscv32e-registers.rs:70:11
+   |
+LL |     asm!("li x20, 0");
+   |           ^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:1:5
+   |
+LL |     li x20, 0
+   |        ^
+
+error: invalid operand for instruction
+  --> $DIR/riscv32e-registers.rs:73:11
+   |
+LL |     asm!("li x21, 0");
+   |           ^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:1:5
+   |
+LL |     li x21, 0
+   |        ^
+
+error: invalid operand for instruction
+  --> $DIR/riscv32e-registers.rs:76:11
+   |
+LL |     asm!("li x22, 0");
+   |           ^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:1:5
+   |
+LL |     li x22, 0
+   |        ^
+
+error: invalid operand for instruction
+  --> $DIR/riscv32e-registers.rs:79:11
+   |
+LL |     asm!("li x23, 0");
+   |           ^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:1:5
+   |
+LL |     li x23, 0
+   |        ^
+
+error: invalid operand for instruction
+  --> $DIR/riscv32e-registers.rs:82:11
+   |
+LL |     asm!("li x24, 0");
+   |           ^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:1:5
+   |
+LL |     li x24, 0
+   |        ^
+
+error: invalid operand for instruction
+  --> $DIR/riscv32e-registers.rs:85:11
+   |
+LL |     asm!("li x25, 0");
+   |           ^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:1:5
+   |
+LL |     li x25, 0
+   |        ^
+
+error: invalid operand for instruction
+  --> $DIR/riscv32e-registers.rs:88:11
+   |
+LL |     asm!("li x26, 0");
+   |           ^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:1:5
+   |
+LL |     li x26, 0
+   |        ^
+
+error: invalid operand for instruction
+  --> $DIR/riscv32e-registers.rs:91:11
+   |
+LL |     asm!("li x27, 0");
+   |           ^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:1:5
+   |
+LL |     li x27, 0
+   |        ^
+
+error: invalid operand for instruction
+  --> $DIR/riscv32e-registers.rs:94:11
+   |
+LL |     asm!("li x28, 0");
+   |           ^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:1:5
+   |
+LL |     li x28, 0
+   |        ^
+
+error: invalid operand for instruction
+  --> $DIR/riscv32e-registers.rs:97:11
+   |
+LL |     asm!("li x29, 0");
+   |           ^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:1:5
+   |
+LL |     li x29, 0
+   |        ^
+
+error: invalid operand for instruction
+  --> $DIR/riscv32e-registers.rs:100:11
+   |
+LL |     asm!("li x30, 0");
+   |           ^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:1:5
+   |
+LL |     li x30, 0
+   |        ^
+
+error: invalid operand for instruction
+  --> $DIR/riscv32e-registers.rs:103:11
+   |
+LL |     asm!("li x31, 0");
+   |           ^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:1:5
+   |
+LL |     li x31, 0
+   |        ^
+
+error: aborting due to 16 previous errors
+
diff --git a/tests/ui/asm/riscv/riscv32e-registers.riscv32em.stderr b/tests/ui/asm/riscv/riscv32e-registers.riscv32em.stderr
index e7a86805b26..ac1373f0e2d 100644
--- a/tests/ui/asm/riscv/riscv32e-registers.riscv32em.stderr
+++ b/tests/ui/asm/riscv/riscv32e-registers.riscv32em.stderr
@@ -1,8 +1,8 @@
 error: invalid operand for instruction
-  --> $DIR/riscv32e-registers.rs:46:11
+  --> $DIR/riscv32e-registers.rs:58:11
    |
 LL |     asm!("li x16, 0");
-   |           ^
+   |           ^^^^^^^^^
    |
 note: instantiated into assembly here
   --> <inline asm>:1:5
@@ -11,10 +11,10 @@ LL |     li x16, 0
    |        ^
 
 error: invalid operand for instruction
-  --> $DIR/riscv32e-registers.rs:49:11
+  --> $DIR/riscv32e-registers.rs:61:11
    |
 LL |     asm!("li x17, 0");
-   |           ^
+   |           ^^^^^^^^^
    |
 note: instantiated into assembly here
   --> <inline asm>:1:5
@@ -23,10 +23,10 @@ LL |     li x17, 0
    |        ^
 
 error: invalid operand for instruction
-  --> $DIR/riscv32e-registers.rs:52:11
+  --> $DIR/riscv32e-registers.rs:64:11
    |
 LL |     asm!("li x18, 0");
-   |           ^
+   |           ^^^^^^^^^
    |
 note: instantiated into assembly here
   --> <inline asm>:1:5
@@ -35,10 +35,10 @@ LL |     li x18, 0
    |        ^
 
 error: invalid operand for instruction
-  --> $DIR/riscv32e-registers.rs:55:11
+  --> $DIR/riscv32e-registers.rs:67:11
    |
 LL |     asm!("li x19, 0");
-   |           ^
+   |           ^^^^^^^^^
    |
 note: instantiated into assembly here
   --> <inline asm>:1:5
@@ -47,10 +47,10 @@ LL |     li x19, 0
    |        ^
 
 error: invalid operand for instruction
-  --> $DIR/riscv32e-registers.rs:58:11
+  --> $DIR/riscv32e-registers.rs:70:11
    |
 LL |     asm!("li x20, 0");
-   |           ^
+   |           ^^^^^^^^^
    |
 note: instantiated into assembly here
   --> <inline asm>:1:5
@@ -59,10 +59,10 @@ LL |     li x20, 0
    |        ^
 
 error: invalid operand for instruction
-  --> $DIR/riscv32e-registers.rs:61:11
+  --> $DIR/riscv32e-registers.rs:73:11
    |
 LL |     asm!("li x21, 0");
-   |           ^
+   |           ^^^^^^^^^
    |
 note: instantiated into assembly here
   --> <inline asm>:1:5
@@ -71,10 +71,10 @@ LL |     li x21, 0
    |        ^
 
 error: invalid operand for instruction
-  --> $DIR/riscv32e-registers.rs:64:11
+  --> $DIR/riscv32e-registers.rs:76:11
    |
 LL |     asm!("li x22, 0");
-   |           ^
+   |           ^^^^^^^^^
    |
 note: instantiated into assembly here
   --> <inline asm>:1:5
@@ -83,10 +83,10 @@ LL |     li x22, 0
    |        ^
 
 error: invalid operand for instruction
-  --> $DIR/riscv32e-registers.rs:67:11
+  --> $DIR/riscv32e-registers.rs:79:11
    |
 LL |     asm!("li x23, 0");
-   |           ^
+   |           ^^^^^^^^^
    |
 note: instantiated into assembly here
   --> <inline asm>:1:5
@@ -95,10 +95,10 @@ LL |     li x23, 0
    |        ^
 
 error: invalid operand for instruction
-  --> $DIR/riscv32e-registers.rs:70:11
+  --> $DIR/riscv32e-registers.rs:82:11
    |
 LL |     asm!("li x24, 0");
-   |           ^
+   |           ^^^^^^^^^
    |
 note: instantiated into assembly here
   --> <inline asm>:1:5
@@ -107,10 +107,10 @@ LL |     li x24, 0
    |        ^
 
 error: invalid operand for instruction
-  --> $DIR/riscv32e-registers.rs:73:11
+  --> $DIR/riscv32e-registers.rs:85:11
    |
 LL |     asm!("li x25, 0");
-   |           ^
+   |           ^^^^^^^^^
    |
 note: instantiated into assembly here
   --> <inline asm>:1:5
@@ -119,10 +119,10 @@ LL |     li x25, 0
    |        ^
 
 error: invalid operand for instruction
-  --> $DIR/riscv32e-registers.rs:76:11
+  --> $DIR/riscv32e-registers.rs:88:11
    |
 LL |     asm!("li x26, 0");
-   |           ^
+   |           ^^^^^^^^^
    |
 note: instantiated into assembly here
   --> <inline asm>:1:5
@@ -131,10 +131,10 @@ LL |     li x26, 0
    |        ^
 
 error: invalid operand for instruction
-  --> $DIR/riscv32e-registers.rs:79:11
+  --> $DIR/riscv32e-registers.rs:91:11
    |
 LL |     asm!("li x27, 0");
-   |           ^
+   |           ^^^^^^^^^
    |
 note: instantiated into assembly here
   --> <inline asm>:1:5
@@ -143,10 +143,10 @@ LL |     li x27, 0
    |        ^
 
 error: invalid operand for instruction
-  --> $DIR/riscv32e-registers.rs:82:11
+  --> $DIR/riscv32e-registers.rs:94:11
    |
 LL |     asm!("li x28, 0");
-   |           ^
+   |           ^^^^^^^^^
    |
 note: instantiated into assembly here
   --> <inline asm>:1:5
@@ -155,10 +155,10 @@ LL |     li x28, 0
    |        ^
 
 error: invalid operand for instruction
-  --> $DIR/riscv32e-registers.rs:85:11
+  --> $DIR/riscv32e-registers.rs:97:11
    |
 LL |     asm!("li x29, 0");
-   |           ^
+   |           ^^^^^^^^^
    |
 note: instantiated into assembly here
   --> <inline asm>:1:5
@@ -167,10 +167,10 @@ LL |     li x29, 0
    |        ^
 
 error: invalid operand for instruction
-  --> $DIR/riscv32e-registers.rs:88:11
+  --> $DIR/riscv32e-registers.rs:100:11
    |
 LL |     asm!("li x30, 0");
-   |           ^
+   |           ^^^^^^^^^
    |
 note: instantiated into assembly here
   --> <inline asm>:1:5
@@ -179,10 +179,10 @@ LL |     li x30, 0
    |        ^
 
 error: invalid operand for instruction
-  --> $DIR/riscv32e-registers.rs:91:11
+  --> $DIR/riscv32e-registers.rs:103:11
    |
 LL |     asm!("li x31, 0");
-   |           ^
+   |           ^^^^^^^^^
    |
 note: instantiated into assembly here
   --> <inline asm>:1:5
diff --git a/tests/ui/asm/riscv/riscv32e-registers.riscv32em_llvm_18.stderr b/tests/ui/asm/riscv/riscv32e-registers.riscv32em_llvm_18.stderr
new file mode 100644
index 00000000000..f140f54adc5
--- /dev/null
+++ b/tests/ui/asm/riscv/riscv32e-registers.riscv32em_llvm_18.stderr
@@ -0,0 +1,194 @@
+error: invalid operand for instruction
+  --> $DIR/riscv32e-registers.rs:58:11
+   |
+LL |     asm!("li x16, 0");
+   |           ^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:1:5
+   |
+LL |     li x16, 0
+   |        ^
+
+error: invalid operand for instruction
+  --> $DIR/riscv32e-registers.rs:61:11
+   |
+LL |     asm!("li x17, 0");
+   |           ^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:1:5
+   |
+LL |     li x17, 0
+   |        ^
+
+error: invalid operand for instruction
+  --> $DIR/riscv32e-registers.rs:64:11
+   |
+LL |     asm!("li x18, 0");
+   |           ^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:1:5
+   |
+LL |     li x18, 0
+   |        ^
+
+error: invalid operand for instruction
+  --> $DIR/riscv32e-registers.rs:67:11
+   |
+LL |     asm!("li x19, 0");
+   |           ^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:1:5
+   |
+LL |     li x19, 0
+   |        ^
+
+error: invalid operand for instruction
+  --> $DIR/riscv32e-registers.rs:70:11
+   |
+LL |     asm!("li x20, 0");
+   |           ^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:1:5
+   |
+LL |     li x20, 0
+   |        ^
+
+error: invalid operand for instruction
+  --> $DIR/riscv32e-registers.rs:73:11
+   |
+LL |     asm!("li x21, 0");
+   |           ^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:1:5
+   |
+LL |     li x21, 0
+   |        ^
+
+error: invalid operand for instruction
+  --> $DIR/riscv32e-registers.rs:76:11
+   |
+LL |     asm!("li x22, 0");
+   |           ^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:1:5
+   |
+LL |     li x22, 0
+   |        ^
+
+error: invalid operand for instruction
+  --> $DIR/riscv32e-registers.rs:79:11
+   |
+LL |     asm!("li x23, 0");
+   |           ^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:1:5
+   |
+LL |     li x23, 0
+   |        ^
+
+error: invalid operand for instruction
+  --> $DIR/riscv32e-registers.rs:82:11
+   |
+LL |     asm!("li x24, 0");
+   |           ^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:1:5
+   |
+LL |     li x24, 0
+   |        ^
+
+error: invalid operand for instruction
+  --> $DIR/riscv32e-registers.rs:85:11
+   |
+LL |     asm!("li x25, 0");
+   |           ^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:1:5
+   |
+LL |     li x25, 0
+   |        ^
+
+error: invalid operand for instruction
+  --> $DIR/riscv32e-registers.rs:88:11
+   |
+LL |     asm!("li x26, 0");
+   |           ^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:1:5
+   |
+LL |     li x26, 0
+   |        ^
+
+error: invalid operand for instruction
+  --> $DIR/riscv32e-registers.rs:91:11
+   |
+LL |     asm!("li x27, 0");
+   |           ^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:1:5
+   |
+LL |     li x27, 0
+   |        ^
+
+error: invalid operand for instruction
+  --> $DIR/riscv32e-registers.rs:94:11
+   |
+LL |     asm!("li x28, 0");
+   |           ^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:1:5
+   |
+LL |     li x28, 0
+   |        ^
+
+error: invalid operand for instruction
+  --> $DIR/riscv32e-registers.rs:97:11
+   |
+LL |     asm!("li x29, 0");
+   |           ^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:1:5
+   |
+LL |     li x29, 0
+   |        ^
+
+error: invalid operand for instruction
+  --> $DIR/riscv32e-registers.rs:100:11
+   |
+LL |     asm!("li x30, 0");
+   |           ^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:1:5
+   |
+LL |     li x30, 0
+   |        ^
+
+error: invalid operand for instruction
+  --> $DIR/riscv32e-registers.rs:103:11
+   |
+LL |     asm!("li x31, 0");
+   |           ^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:1:5
+   |
+LL |     li x31, 0
+   |        ^
+
+error: aborting due to 16 previous errors
+
diff --git a/tests/ui/asm/riscv/riscv32e-registers.riscv32emc.stderr b/tests/ui/asm/riscv/riscv32e-registers.riscv32emc.stderr
index e7a86805b26..ac1373f0e2d 100644
--- a/tests/ui/asm/riscv/riscv32e-registers.riscv32emc.stderr
+++ b/tests/ui/asm/riscv/riscv32e-registers.riscv32emc.stderr
@@ -1,8 +1,8 @@
 error: invalid operand for instruction
-  --> $DIR/riscv32e-registers.rs:46:11
+  --> $DIR/riscv32e-registers.rs:58:11
    |
 LL |     asm!("li x16, 0");
-   |           ^
+   |           ^^^^^^^^^
    |
 note: instantiated into assembly here
   --> <inline asm>:1:5
@@ -11,10 +11,10 @@ LL |     li x16, 0
    |        ^
 
 error: invalid operand for instruction
-  --> $DIR/riscv32e-registers.rs:49:11
+  --> $DIR/riscv32e-registers.rs:61:11
    |
 LL |     asm!("li x17, 0");
-   |           ^
+   |           ^^^^^^^^^
    |
 note: instantiated into assembly here
   --> <inline asm>:1:5
@@ -23,10 +23,10 @@ LL |     li x17, 0
    |        ^
 
 error: invalid operand for instruction
-  --> $DIR/riscv32e-registers.rs:52:11
+  --> $DIR/riscv32e-registers.rs:64:11
    |
 LL |     asm!("li x18, 0");
-   |           ^
+   |           ^^^^^^^^^
    |
 note: instantiated into assembly here
   --> <inline asm>:1:5
@@ -35,10 +35,10 @@ LL |     li x18, 0
    |        ^
 
 error: invalid operand for instruction
-  --> $DIR/riscv32e-registers.rs:55:11
+  --> $DIR/riscv32e-registers.rs:67:11
    |
 LL |     asm!("li x19, 0");
-   |           ^
+   |           ^^^^^^^^^
    |
 note: instantiated into assembly here
   --> <inline asm>:1:5
@@ -47,10 +47,10 @@ LL |     li x19, 0
    |        ^
 
 error: invalid operand for instruction
-  --> $DIR/riscv32e-registers.rs:58:11
+  --> $DIR/riscv32e-registers.rs:70:11
    |
 LL |     asm!("li x20, 0");
-   |           ^
+   |           ^^^^^^^^^
    |
 note: instantiated into assembly here
   --> <inline asm>:1:5
@@ -59,10 +59,10 @@ LL |     li x20, 0
    |        ^
 
 error: invalid operand for instruction
-  --> $DIR/riscv32e-registers.rs:61:11
+  --> $DIR/riscv32e-registers.rs:73:11
    |
 LL |     asm!("li x21, 0");
-   |           ^
+   |           ^^^^^^^^^
    |
 note: instantiated into assembly here
   --> <inline asm>:1:5
@@ -71,10 +71,10 @@ LL |     li x21, 0
    |        ^
 
 error: invalid operand for instruction
-  --> $DIR/riscv32e-registers.rs:64:11
+  --> $DIR/riscv32e-registers.rs:76:11
    |
 LL |     asm!("li x22, 0");
-   |           ^
+   |           ^^^^^^^^^
    |
 note: instantiated into assembly here
   --> <inline asm>:1:5
@@ -83,10 +83,10 @@ LL |     li x22, 0
    |        ^
 
 error: invalid operand for instruction
-  --> $DIR/riscv32e-registers.rs:67:11
+  --> $DIR/riscv32e-registers.rs:79:11
    |
 LL |     asm!("li x23, 0");
-   |           ^
+   |           ^^^^^^^^^
    |
 note: instantiated into assembly here
   --> <inline asm>:1:5
@@ -95,10 +95,10 @@ LL |     li x23, 0
    |        ^
 
 error: invalid operand for instruction
-  --> $DIR/riscv32e-registers.rs:70:11
+  --> $DIR/riscv32e-registers.rs:82:11
    |
 LL |     asm!("li x24, 0");
-   |           ^
+   |           ^^^^^^^^^
    |
 note: instantiated into assembly here
   --> <inline asm>:1:5
@@ -107,10 +107,10 @@ LL |     li x24, 0
    |        ^
 
 error: invalid operand for instruction
-  --> $DIR/riscv32e-registers.rs:73:11
+  --> $DIR/riscv32e-registers.rs:85:11
    |
 LL |     asm!("li x25, 0");
-   |           ^
+   |           ^^^^^^^^^
    |
 note: instantiated into assembly here
   --> <inline asm>:1:5
@@ -119,10 +119,10 @@ LL |     li x25, 0
    |        ^
 
 error: invalid operand for instruction
-  --> $DIR/riscv32e-registers.rs:76:11
+  --> $DIR/riscv32e-registers.rs:88:11
    |
 LL |     asm!("li x26, 0");
-   |           ^
+   |           ^^^^^^^^^
    |
 note: instantiated into assembly here
   --> <inline asm>:1:5
@@ -131,10 +131,10 @@ LL |     li x26, 0
    |        ^
 
 error: invalid operand for instruction
-  --> $DIR/riscv32e-registers.rs:79:11
+  --> $DIR/riscv32e-registers.rs:91:11
    |
 LL |     asm!("li x27, 0");
-   |           ^
+   |           ^^^^^^^^^
    |
 note: instantiated into assembly here
   --> <inline asm>:1:5
@@ -143,10 +143,10 @@ LL |     li x27, 0
    |        ^
 
 error: invalid operand for instruction
-  --> $DIR/riscv32e-registers.rs:82:11
+  --> $DIR/riscv32e-registers.rs:94:11
    |
 LL |     asm!("li x28, 0");
-   |           ^
+   |           ^^^^^^^^^
    |
 note: instantiated into assembly here
   --> <inline asm>:1:5
@@ -155,10 +155,10 @@ LL |     li x28, 0
    |        ^
 
 error: invalid operand for instruction
-  --> $DIR/riscv32e-registers.rs:85:11
+  --> $DIR/riscv32e-registers.rs:97:11
    |
 LL |     asm!("li x29, 0");
-   |           ^
+   |           ^^^^^^^^^
    |
 note: instantiated into assembly here
   --> <inline asm>:1:5
@@ -167,10 +167,10 @@ LL |     li x29, 0
    |        ^
 
 error: invalid operand for instruction
-  --> $DIR/riscv32e-registers.rs:88:11
+  --> $DIR/riscv32e-registers.rs:100:11
    |
 LL |     asm!("li x30, 0");
-   |           ^
+   |           ^^^^^^^^^
    |
 note: instantiated into assembly here
   --> <inline asm>:1:5
@@ -179,10 +179,10 @@ LL |     li x30, 0
    |        ^
 
 error: invalid operand for instruction
-  --> $DIR/riscv32e-registers.rs:91:11
+  --> $DIR/riscv32e-registers.rs:103:11
    |
 LL |     asm!("li x31, 0");
-   |           ^
+   |           ^^^^^^^^^
    |
 note: instantiated into assembly here
   --> <inline asm>:1:5
diff --git a/tests/ui/asm/riscv/riscv32e-registers.riscv32emc_llvm_18.stderr b/tests/ui/asm/riscv/riscv32e-registers.riscv32emc_llvm_18.stderr
new file mode 100644
index 00000000000..f140f54adc5
--- /dev/null
+++ b/tests/ui/asm/riscv/riscv32e-registers.riscv32emc_llvm_18.stderr
@@ -0,0 +1,194 @@
+error: invalid operand for instruction
+  --> $DIR/riscv32e-registers.rs:58:11
+   |
+LL |     asm!("li x16, 0");
+   |           ^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:1:5
+   |
+LL |     li x16, 0
+   |        ^
+
+error: invalid operand for instruction
+  --> $DIR/riscv32e-registers.rs:61:11
+   |
+LL |     asm!("li x17, 0");
+   |           ^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:1:5
+   |
+LL |     li x17, 0
+   |        ^
+
+error: invalid operand for instruction
+  --> $DIR/riscv32e-registers.rs:64:11
+   |
+LL |     asm!("li x18, 0");
+   |           ^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:1:5
+   |
+LL |     li x18, 0
+   |        ^
+
+error: invalid operand for instruction
+  --> $DIR/riscv32e-registers.rs:67:11
+   |
+LL |     asm!("li x19, 0");
+   |           ^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:1:5
+   |
+LL |     li x19, 0
+   |        ^
+
+error: invalid operand for instruction
+  --> $DIR/riscv32e-registers.rs:70:11
+   |
+LL |     asm!("li x20, 0");
+   |           ^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:1:5
+   |
+LL |     li x20, 0
+   |        ^
+
+error: invalid operand for instruction
+  --> $DIR/riscv32e-registers.rs:73:11
+   |
+LL |     asm!("li x21, 0");
+   |           ^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:1:5
+   |
+LL |     li x21, 0
+   |        ^
+
+error: invalid operand for instruction
+  --> $DIR/riscv32e-registers.rs:76:11
+   |
+LL |     asm!("li x22, 0");
+   |           ^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:1:5
+   |
+LL |     li x22, 0
+   |        ^
+
+error: invalid operand for instruction
+  --> $DIR/riscv32e-registers.rs:79:11
+   |
+LL |     asm!("li x23, 0");
+   |           ^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:1:5
+   |
+LL |     li x23, 0
+   |        ^
+
+error: invalid operand for instruction
+  --> $DIR/riscv32e-registers.rs:82:11
+   |
+LL |     asm!("li x24, 0");
+   |           ^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:1:5
+   |
+LL |     li x24, 0
+   |        ^
+
+error: invalid operand for instruction
+  --> $DIR/riscv32e-registers.rs:85:11
+   |
+LL |     asm!("li x25, 0");
+   |           ^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:1:5
+   |
+LL |     li x25, 0
+   |        ^
+
+error: invalid operand for instruction
+  --> $DIR/riscv32e-registers.rs:88:11
+   |
+LL |     asm!("li x26, 0");
+   |           ^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:1:5
+   |
+LL |     li x26, 0
+   |        ^
+
+error: invalid operand for instruction
+  --> $DIR/riscv32e-registers.rs:91:11
+   |
+LL |     asm!("li x27, 0");
+   |           ^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:1:5
+   |
+LL |     li x27, 0
+   |        ^
+
+error: invalid operand for instruction
+  --> $DIR/riscv32e-registers.rs:94:11
+   |
+LL |     asm!("li x28, 0");
+   |           ^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:1:5
+   |
+LL |     li x28, 0
+   |        ^
+
+error: invalid operand for instruction
+  --> $DIR/riscv32e-registers.rs:97:11
+   |
+LL |     asm!("li x29, 0");
+   |           ^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:1:5
+   |
+LL |     li x29, 0
+   |        ^
+
+error: invalid operand for instruction
+  --> $DIR/riscv32e-registers.rs:100:11
+   |
+LL |     asm!("li x30, 0");
+   |           ^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:1:5
+   |
+LL |     li x30, 0
+   |        ^
+
+error: invalid operand for instruction
+  --> $DIR/riscv32e-registers.rs:103:11
+   |
+LL |     asm!("li x31, 0");
+   |           ^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:1:5
+   |
+LL |     li x31, 0
+   |        ^
+
+error: aborting due to 16 previous errors
+
diff --git a/tests/ui/asm/riscv/riscv32e-registers.rs b/tests/ui/asm/riscv/riscv32e-registers.rs
index 57b1e169a04..c3fe19991b0 100644
--- a/tests/ui/asm/riscv/riscv32e-registers.rs
+++ b/tests/ui/asm/riscv/riscv32e-registers.rs
@@ -1,15 +1,27 @@
 // Test that loads into registers x16..=x31 are never generated for riscv32{e,em,emc} targets
 //
 //@ build-fail
-//@ revisions: riscv32e riscv32em riscv32emc
+//@ revisions: riscv32e riscv32em riscv32emc riscv32e_llvm_18 riscv32em_llvm_18 riscv32emc_llvm_18
 //
 //@ compile-flags: --crate-type=rlib
 //@ [riscv32e] needs-llvm-components: riscv
 //@ [riscv32e] compile-flags: --target=riscv32e-unknown-none-elf
+//@ [riscv32e] min-llvm-version: 19
 //@ [riscv32em] needs-llvm-components: riscv
 //@ [riscv32em] compile-flags: --target=riscv32em-unknown-none-elf
+//@ [riscv32em] min-llvm-version: 19
 //@ [riscv32emc] needs-llvm-components: riscv
 //@ [riscv32emc] compile-flags: --target=riscv32emc-unknown-none-elf
+//@ [riscv32emc] min-llvm-version: 19
+//@ [riscv32e_llvm_18] needs-llvm-components: riscv
+//@ [riscv32e_llvm_18] compile-flags: --target=riscv32e-unknown-none-elf
+//@ [riscv32e_llvm_18] ignore-llvm-version: 19 - 99
+//@ [riscv32em_llvm_18] needs-llvm-components: riscv
+//@ [riscv32em_llvm_18] compile-flags: --target=riscv32em-unknown-none-elf
+//@ [riscv32em_llvm_18] ignore-llvm-version: 19 - 99
+//@ [riscv32emc_llvm_18] needs-llvm-components: riscv
+//@ [riscv32emc_llvm_18] compile-flags: --target=riscv32emc-unknown-none-elf
+//@ [riscv32emc_llvm_18] ignore-llvm-version: 19 - 99
 
 // Unlike bad-reg.rs, this tests if the assembler can reject invalid registers
 // usage in assembly code.
diff --git a/tests/ui/asm/x86_64/srcloc.new.stderr b/tests/ui/asm/x86_64/srcloc.new.stderr
new file mode 100644
index 00000000000..7211f1ab69d
--- /dev/null
+++ b/tests/ui/asm/x86_64/srcloc.new.stderr
@@ -0,0 +1,332 @@
+error: invalid instruction mnemonic 'invalid_instruction'
+  --> $DIR/srcloc.rs:14:15
+   |
+LL |         asm!("invalid_instruction");
+   |               ^^^^^^^^^^^^^^^^^^^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:2:2
+   |
+LL |     invalid_instruction
+   |     ^^^^^^^^^^^^^^^^^^^
+
+error: invalid instruction mnemonic 'invalid_instruction'
+  --> $DIR/srcloc.rs:18:13
+   |
+LL |             invalid_instruction
+   |             ^^^^^^^^^^^^^^^^^^^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:3:13
+   |
+LL |             invalid_instruction
+   |             ^^^^^^^^^^^^^^^^^^^
+
+error: invalid instruction mnemonic 'invalid_instruction'
+  --> $DIR/srcloc.rs:23:13
+   |
+LL |             invalid_instruction
+   |             ^^^^^^^^^^^^^^^^^^^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:3:13
+   |
+LL |             invalid_instruction
+   |             ^^^^^^^^^^^^^^^^^^^
+
+error: invalid instruction mnemonic 'invalid_instruction'
+  --> $DIR/srcloc.rs:29:13
+   |
+LL |             invalid_instruction
+   |             ^^^^^^^^^^^^^^^^^^^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:4:13
+   |
+LL |             invalid_instruction
+   |             ^^^^^^^^^^^^^^^^^^^
+
+error: invalid instruction mnemonic 'invalid_instruction'
+  --> $DIR/srcloc.rs:36:13
+   |
+LL |             invalid_instruction
+   |             ^^^^^^^^^^^^^^^^^^^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:4:13
+   |
+LL |             invalid_instruction
+   |             ^^^^^^^^^^^^^^^^^^^
+
+error: invalid instruction mnemonic 'invalid_instruction'
+  --> $DIR/srcloc.rs:41:14
+   |
+LL |         asm!(concat!("invalid", "_", "instruction"));
+   |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:2:2
+   |
+LL |     invalid_instruction
+   |     ^^^^^^^^^^^^^^^^^^^
+
+warning: scale factor without index register is ignored
+  --> $DIR/srcloc.rs:44:15
+   |
+LL |         asm!("movaps %xmm3, (%esi, 2)", options(att_syntax));
+   |               ^^^^^^^^^^^^^^^^^^^^^^^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:1:23
+   |
+LL |     movaps %xmm3, (%esi, 2)
+   |                          ^
+
+error: invalid instruction mnemonic 'invalid_instruction'
+  --> $DIR/srcloc.rs:48:14
+   |
+LL |             "invalid_instruction",
+   |              ^^^^^^^^^^^^^^^^^^^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:2:2
+   |
+LL |     invalid_instruction
+   |     ^^^^^^^^^^^^^^^^^^^
+
+error: invalid instruction mnemonic 'invalid_instruction'
+  --> $DIR/srcloc.rs:54:14
+   |
+LL |             "invalid_instruction",
+   |              ^^^^^^^^^^^^^^^^^^^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:3:1
+   |
+LL | invalid_instruction
+   | ^^^^^^^^^^^^^^^^^^^
+
+error: invalid instruction mnemonic 'invalid_instruction'
+  --> $DIR/srcloc.rs:61:14
+   |
+LL |             "invalid_instruction",
+   |              ^^^^^^^^^^^^^^^^^^^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:4:1
+   |
+LL | invalid_instruction
+   | ^^^^^^^^^^^^^^^^^^^
+
+error: invalid instruction mnemonic 'invalid_instruction'
+  --> $DIR/srcloc.rs:68:13
+   |
+LL |             concat!("invalid", "_", "instruction"),
+   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:3:1
+   |
+LL | invalid_instruction
+   | ^^^^^^^^^^^^^^^^^^^
+
+error: invalid instruction mnemonic 'invalid_instruction'
+  --> $DIR/srcloc.rs:75:13
+   |
+LL |             concat!("invalid", "_", "instruction"),
+   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:3:1
+   |
+LL | invalid_instruction
+   | ^^^^^^^^^^^^^^^^^^^
+
+error: invalid instruction mnemonic 'invalid_instruction1'
+  --> $DIR/srcloc.rs:82:14
+   |
+LL |             "invalid_instruction1",
+   |              ^^^^^^^^^^^^^^^^^^^^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:2:2
+   |
+LL |     invalid_instruction1
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: invalid instruction mnemonic 'invalid_instruction2'
+  --> $DIR/srcloc.rs:83:14
+   |
+LL |             "invalid_instruction2",
+   |              ^^^^^^^^^^^^^^^^^^^^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:3:1
+   |
+LL | invalid_instruction2
+   | ^^^^^^^^^^^^^^^^^^^^
+
+error: invalid instruction mnemonic 'invalid_instruction1'
+  --> $DIR/srcloc.rs:89:13
+   |
+LL | /             concat!(
+LL | |                 "invalid", "_", "instruction1", "\n",
+LL | |                 "invalid", "_", "instruction2",
+LL | |             ),
+   | |_____________^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:2:2
+   |
+LL |     invalid_instruction1
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: invalid instruction mnemonic 'invalid_instruction2'
+  --> $DIR/srcloc.rs:89:13
+   |
+LL | /             concat!(
+LL | |                 "invalid", "_", "instruction1", "\n",
+LL | |                 "invalid", "_", "instruction2",
+LL | |             ),
+   | |_____________^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:3:1
+   |
+LL | invalid_instruction2
+   | ^^^^^^^^^^^^^^^^^^^^
+
+error: invalid instruction mnemonic 'invalid_instruction1'
+  --> $DIR/srcloc.rs:98:13
+   |
+LL | /             concat!(
+LL | |                 "invalid", "_", "instruction1", "\n",
+LL | |                 "invalid", "_", "instruction2",
+LL | |             ),
+   | |_____________^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:2:2
+   |
+LL |     invalid_instruction1
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: invalid instruction mnemonic 'invalid_instruction2'
+  --> $DIR/srcloc.rs:98:13
+   |
+LL | /             concat!(
+LL | |                 "invalid", "_", "instruction1", "\n",
+LL | |                 "invalid", "_", "instruction2",
+LL | |             ),
+   | |_____________^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:3:1
+   |
+LL | invalid_instruction2
+   | ^^^^^^^^^^^^^^^^^^^^
+
+error: invalid instruction mnemonic 'invalid_instruction3'
+  --> $DIR/srcloc.rs:102:13
+   |
+LL | /             concat!(
+LL | |                 "invalid", "_", "instruction3", "\n",
+LL | |                 "invalid", "_", "instruction4",
+LL | |             ),
+   | |_____________^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:4:1
+   |
+LL | invalid_instruction3
+   | ^^^^^^^^^^^^^^^^^^^^
+
+error: invalid instruction mnemonic 'invalid_instruction4'
+  --> $DIR/srcloc.rs:102:13
+   |
+LL | /             concat!(
+LL | |                 "invalid", "_", "instruction3", "\n",
+LL | |                 "invalid", "_", "instruction4",
+LL | |             ),
+   | |_____________^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:5:1
+   |
+LL | invalid_instruction4
+   | ^^^^^^^^^^^^^^^^^^^^
+
+error: invalid instruction mnemonic 'invalid_instruction1'
+  --> $DIR/srcloc.rs:113:13
+   |
+LL | /             concat!(
+LL | |                 "invalid", "_", "instruction1", "\n",
+LL | |                 "invalid", "_", "instruction2", "\n",
+LL | |             ),
+   | |_____________^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:2:2
+   |
+LL |     invalid_instruction1
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: invalid instruction mnemonic 'invalid_instruction2'
+  --> $DIR/srcloc.rs:113:13
+   |
+LL | /             concat!(
+LL | |                 "invalid", "_", "instruction1", "\n",
+LL | |                 "invalid", "_", "instruction2", "\n",
+LL | |             ),
+   | |_____________^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:3:1
+   |
+LL | invalid_instruction2
+   | ^^^^^^^^^^^^^^^^^^^^
+
+error: invalid instruction mnemonic 'invalid_instruction3'
+  --> $DIR/srcloc.rs:117:13
+   |
+LL | /             concat!(
+LL | |                 "invalid", "_", "instruction3", "\n",
+LL | |                 "invalid", "_", "instruction4", "\n",
+LL | |             ),
+   | |_____________^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:5:1
+   |
+LL | invalid_instruction3
+   | ^^^^^^^^^^^^^^^^^^^^
+
+error: invalid instruction mnemonic 'invalid_instruction4'
+  --> $DIR/srcloc.rs:117:13
+   |
+LL | /             concat!(
+LL | |                 "invalid", "_", "instruction3", "\n",
+LL | |                 "invalid", "_", "instruction4", "\n",
+LL | |             ),
+   | |_____________^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:6:1
+   |
+LL | invalid_instruction4
+   | ^^^^^^^^^^^^^^^^^^^^
+
+error: invalid instruction mnemonic 'invalid_instruction'
+  --> $DIR/srcloc.rs:130:14
+   |
+LL |             "invalid_instruction"
+   |              ^^^^^^^^^^^^^^^^^^^
+   |
+note: instantiated into assembly here
+  --> <inline asm>:5:1
+   |
+LL | invalid_instruction
+   | ^^^^^^^^^^^^^^^^^^^
+
+error: aborting due to 24 previous errors; 1 warning emitted
+
diff --git a/tests/ui/asm/x86_64/srcloc.stderr b/tests/ui/asm/x86_64/srcloc.old.stderr
index 8899c1b916b..edb9ee46812 100644
--- a/tests/ui/asm/x86_64/srcloc.stderr
+++ b/tests/ui/asm/x86_64/srcloc.old.stderr
@@ -1,5 +1,5 @@
 error: invalid instruction mnemonic 'invalid_instruction'
-  --> $DIR/srcloc.rs:11:15
+  --> $DIR/srcloc.rs:14:15
    |
 LL |         asm!("invalid_instruction");
    |               ^
@@ -11,7 +11,7 @@ LL |     invalid_instruction
    |     ^^^^^^^^^^^^^^^^^^^
 
 error: invalid instruction mnemonic 'invalid_instruction'
-  --> $DIR/srcloc.rs:15:13
+  --> $DIR/srcloc.rs:18:13
    |
 LL |             invalid_instruction
    |             ^
@@ -23,7 +23,7 @@ LL |             invalid_instruction
    |             ^^^^^^^^^^^^^^^^^^^
 
 error: invalid instruction mnemonic 'invalid_instruction'
-  --> $DIR/srcloc.rs:20:13
+  --> $DIR/srcloc.rs:23:13
    |
 LL |             invalid_instruction
    |             ^
@@ -35,7 +35,7 @@ LL |             invalid_instruction
    |             ^^^^^^^^^^^^^^^^^^^
 
 error: invalid instruction mnemonic 'invalid_instruction'
-  --> $DIR/srcloc.rs:26:13
+  --> $DIR/srcloc.rs:29:13
    |
 LL |             invalid_instruction
    |             ^
@@ -47,7 +47,7 @@ LL |             invalid_instruction
    |             ^^^^^^^^^^^^^^^^^^^
 
 error: invalid instruction mnemonic 'invalid_instruction'
-  --> $DIR/srcloc.rs:33:13
+  --> $DIR/srcloc.rs:36:13
    |
 LL |             invalid_instruction
    |             ^
@@ -59,7 +59,7 @@ LL |             invalid_instruction
    |             ^^^^^^^^^^^^^^^^^^^
 
 error: invalid instruction mnemonic 'invalid_instruction'
-  --> $DIR/srcloc.rs:38:14
+  --> $DIR/srcloc.rs:41:14
    |
 LL |         asm!(concat!("invalid", "_", "instruction"));
    |              ^
@@ -71,7 +71,7 @@ LL |     invalid_instruction
    |     ^^^^^^^^^^^^^^^^^^^
 
 warning: scale factor without index register is ignored
-  --> $DIR/srcloc.rs:41:15
+  --> $DIR/srcloc.rs:44:15
    |
 LL |         asm!("movaps %xmm3, (%esi, 2)", options(att_syntax));
    |               ^
@@ -83,7 +83,7 @@ LL |     movaps %xmm3, (%esi, 2)
    |                          ^
 
 error: invalid instruction mnemonic 'invalid_instruction'
-  --> $DIR/srcloc.rs:45:14
+  --> $DIR/srcloc.rs:48:14
    |
 LL |             "invalid_instruction",
    |              ^
@@ -95,7 +95,7 @@ LL |     invalid_instruction
    |     ^^^^^^^^^^^^^^^^^^^
 
 error: invalid instruction mnemonic 'invalid_instruction'
-  --> $DIR/srcloc.rs:51:14
+  --> $DIR/srcloc.rs:54:14
    |
 LL |             "invalid_instruction",
    |              ^
@@ -107,7 +107,7 @@ LL | invalid_instruction
    | ^^^^^^^^^^^^^^^^^^^
 
 error: invalid instruction mnemonic 'invalid_instruction'
-  --> $DIR/srcloc.rs:58:14
+  --> $DIR/srcloc.rs:61:14
    |
 LL |             "invalid_instruction",
    |              ^
@@ -119,7 +119,7 @@ LL | invalid_instruction
    | ^^^^^^^^^^^^^^^^^^^
 
 error: invalid instruction mnemonic 'invalid_instruction'
-  --> $DIR/srcloc.rs:65:13
+  --> $DIR/srcloc.rs:68:13
    |
 LL |             concat!("invalid", "_", "instruction"),
    |             ^
@@ -131,7 +131,7 @@ LL | invalid_instruction
    | ^^^^^^^^^^^^^^^^^^^
 
 error: invalid instruction mnemonic 'invalid_instruction'
-  --> $DIR/srcloc.rs:72:13
+  --> $DIR/srcloc.rs:75:13
    |
 LL |             concat!("invalid", "_", "instruction"),
    |             ^
@@ -143,7 +143,7 @@ LL | invalid_instruction
    | ^^^^^^^^^^^^^^^^^^^
 
 error: invalid instruction mnemonic 'invalid_instruction1'
-  --> $DIR/srcloc.rs:79:14
+  --> $DIR/srcloc.rs:82:14
    |
 LL |             "invalid_instruction1",
    |              ^
@@ -155,7 +155,7 @@ LL |     invalid_instruction1
    |     ^^^^^^^^^^^^^^^^^^^^
 
 error: invalid instruction mnemonic 'invalid_instruction2'
-  --> $DIR/srcloc.rs:80:14
+  --> $DIR/srcloc.rs:83:14
    |
 LL |             "invalid_instruction2",
    |              ^
@@ -167,7 +167,7 @@ LL | invalid_instruction2
    | ^^^^^^^^^^^^^^^^^^^^
 
 error: invalid instruction mnemonic 'invalid_instruction1'
-  --> $DIR/srcloc.rs:86:13
+  --> $DIR/srcloc.rs:89:13
    |
 LL |             concat!(
    |             ^
@@ -179,7 +179,7 @@ LL |     invalid_instruction1
    |     ^^^^^^^^^^^^^^^^^^^^
 
 error: invalid instruction mnemonic 'invalid_instruction2'
-  --> $DIR/srcloc.rs:86:13
+  --> $DIR/srcloc.rs:89:13
    |
 LL |             concat!(
    |             ^
@@ -191,7 +191,7 @@ LL | invalid_instruction2
    | ^^^^^^^^^^^^^^^^^^^^
 
 error: invalid instruction mnemonic 'invalid_instruction1'
-  --> $DIR/srcloc.rs:95:13
+  --> $DIR/srcloc.rs:98:13
    |
 LL |             concat!(
    |             ^
@@ -203,7 +203,7 @@ LL |     invalid_instruction1
    |     ^^^^^^^^^^^^^^^^^^^^
 
 error: invalid instruction mnemonic 'invalid_instruction2'
-  --> $DIR/srcloc.rs:95:13
+  --> $DIR/srcloc.rs:98:13
    |
 LL |             concat!(
    |             ^
@@ -215,7 +215,7 @@ LL | invalid_instruction2
    | ^^^^^^^^^^^^^^^^^^^^
 
 error: invalid instruction mnemonic 'invalid_instruction3'
-  --> $DIR/srcloc.rs:99:13
+  --> $DIR/srcloc.rs:102:13
    |
 LL |             concat!(
    |             ^
@@ -227,7 +227,7 @@ LL | invalid_instruction3
    | ^^^^^^^^^^^^^^^^^^^^
 
 error: invalid instruction mnemonic 'invalid_instruction4'
-  --> $DIR/srcloc.rs:99:13
+  --> $DIR/srcloc.rs:102:13
    |
 LL |             concat!(
    |             ^
@@ -239,7 +239,7 @@ LL | invalid_instruction4
    | ^^^^^^^^^^^^^^^^^^^^
 
 error: invalid instruction mnemonic 'invalid_instruction1'
-  --> $DIR/srcloc.rs:110:13
+  --> $DIR/srcloc.rs:113:13
    |
 LL |             concat!(
    |             ^
@@ -251,7 +251,7 @@ LL |     invalid_instruction1
    |     ^^^^^^^^^^^^^^^^^^^^
 
 error: invalid instruction mnemonic 'invalid_instruction2'
-  --> $DIR/srcloc.rs:110:13
+  --> $DIR/srcloc.rs:113:13
    |
 LL |             concat!(
    |             ^
@@ -263,7 +263,7 @@ LL | invalid_instruction2
    | ^^^^^^^^^^^^^^^^^^^^
 
 error: invalid instruction mnemonic 'invalid_instruction3'
-  --> $DIR/srcloc.rs:114:13
+  --> $DIR/srcloc.rs:117:13
    |
 LL |             concat!(
    |             ^
@@ -275,7 +275,7 @@ LL | invalid_instruction3
    | ^^^^^^^^^^^^^^^^^^^^
 
 error: invalid instruction mnemonic 'invalid_instruction4'
-  --> $DIR/srcloc.rs:114:13
+  --> $DIR/srcloc.rs:117:13
    |
 LL |             concat!(
    |             ^
@@ -287,7 +287,7 @@ LL | invalid_instruction4
    | ^^^^^^^^^^^^^^^^^^^^
 
 error: invalid instruction mnemonic 'invalid_instruction'
-  --> $DIR/srcloc.rs:127:14
+  --> $DIR/srcloc.rs:130:14
    |
 LL |             "invalid_instruction"
    |              ^
diff --git a/tests/ui/asm/x86_64/srcloc.rs b/tests/ui/asm/x86_64/srcloc.rs
index 2938bafe5e7..40fc66cbc92 100644
--- a/tests/ui/asm/x86_64/srcloc.rs
+++ b/tests/ui/asm/x86_64/srcloc.rs
@@ -1,6 +1,9 @@
+//@ revisions: old new
 //@ only-x86_64
 //@ build-fail
 //@ compile-flags: -Ccodegen-units=1
+//@[old] ignore-llvm-version: 19 - 99
+//@[new] min-llvm-version: 19
 
 use std::arch::asm;
 
diff --git a/tests/ui/async-await/async-borrowck-escaping-closure-error.rs b/tests/ui/async-await/async-borrowck-escaping-closure-error.rs
index ffb97ca04ac..4489f344e6f 100644
--- a/tests/ui/async-await/async-borrowck-escaping-closure-error.rs
+++ b/tests/ui/async-await/async-borrowck-escaping-closure-error.rs
@@ -1,6 +1,5 @@
 //@ edition:2018
 
-#![feature(async_closure)]
 fn foo() -> Box<dyn std::future::Future<Output = u32>> {
     let x = 0u32;
     Box::new((async || x)())
diff --git a/tests/ui/async-await/async-borrowck-escaping-closure-error.stderr b/tests/ui/async-await/async-borrowck-escaping-closure-error.stderr
index 4b1ce300b56..967b3bf5a77 100644
--- a/tests/ui/async-await/async-borrowck-escaping-closure-error.stderr
+++ b/tests/ui/async-await/async-borrowck-escaping-closure-error.stderr
@@ -1,5 +1,5 @@
 error[E0515]: cannot return value referencing local variable `x`
-  --> $DIR/async-borrowck-escaping-closure-error.rs:6:5
+  --> $DIR/async-borrowck-escaping-closure-error.rs:5:5
    |
 LL |     Box::new((async || x)())
    |     ^^^^^^^^^------------^^^
diff --git a/tests/ui/async-await/async-closure-matches-expr.rs b/tests/ui/async-await/async-closure-matches-expr.rs
index 75ce14a4947..3f1c70e691c 100644
--- a/tests/ui/async-await/async-closure-matches-expr.rs
+++ b/tests/ui/async-await/async-closure-matches-expr.rs
@@ -1,8 +1,6 @@
 //@ build-pass
 //@ edition:2018
 
-#![feature(async_closure)]
-
 macro_rules! match_expr {
     ($x:expr) => {}
 }
diff --git a/tests/ui/async-await/async-closure.rs b/tests/ui/async-await/async-closure.rs
index 77c00bbdc9f..3dd88fbf739 100644
--- a/tests/ui/async-await/async-closure.rs
+++ b/tests/ui/async-await/async-closure.rs
@@ -6,8 +6,6 @@
 //@ edition:2018
 //@ aux-build:arc_wake.rs
 
-#![feature(async_closure)]
-
 extern crate arc_wake;
 
 use std::pin::Pin;
diff --git a/tests/ui/async-await/async-closures/ambiguous-arg.rs b/tests/ui/async-await/async-closures/ambiguous-arg.rs
index d76a1cf953e..e8e6ff6d97c 100644
--- a/tests/ui/async-await/async-closures/ambiguous-arg.rs
+++ b/tests/ui/async-await/async-closures/ambiguous-arg.rs
@@ -3,8 +3,6 @@
 // Regression test for #123901. We previously ICE'd as we silently
 // swallowed an in the `ExprUseVisitor`.
 
-#![feature(async_closure)]
-
 pub fn test(test: &u64, temp: &u64) {
     async |check, a, b| {
         //~^ ERROR type annotations needed
diff --git a/tests/ui/async-await/async-closures/ambiguous-arg.stderr b/tests/ui/async-await/async-closures/ambiguous-arg.stderr
index 01f72e94ecc..adb71d676dc 100644
--- a/tests/ui/async-await/async-closures/ambiguous-arg.stderr
+++ b/tests/ui/async-await/async-closures/ambiguous-arg.stderr
@@ -1,5 +1,5 @@
 error[E0282]: type annotations needed
-  --> $DIR/ambiguous-arg.rs:9:25
+  --> $DIR/ambiguous-arg.rs:7:25
    |
 LL |       async |check, a, b| {
    |  _________________________^
diff --git a/tests/ui/async-await/async-closures/arg-mismatch.rs b/tests/ui/async-await/async-closures/arg-mismatch.rs
index c8dddee6275..f69c8122d1d 100644
--- a/tests/ui/async-await/async-closures/arg-mismatch.rs
+++ b/tests/ui/async-await/async-closures/arg-mismatch.rs
@@ -1,8 +1,6 @@
 //@ aux-build:block-on.rs
 //@ edition:2021
 
-#![feature(async_closure)]
-
 extern crate block_on;
 
 fn main() {
diff --git a/tests/ui/async-await/async-closures/arg-mismatch.stderr b/tests/ui/async-await/async-closures/arg-mismatch.stderr
index 70853ae2815..5c8e6650293 100644
--- a/tests/ui/async-await/async-closures/arg-mismatch.stderr
+++ b/tests/ui/async-await/async-closures/arg-mismatch.stderr
@@ -1,5 +1,5 @@
 error[E0308]: mismatched types
-  --> $DIR/arg-mismatch.rs:12:11
+  --> $DIR/arg-mismatch.rs:10:11
    |
 LL |         c(2usize).await;
    |         - ^^^^^^ expected `i32`, found `usize`
@@ -7,7 +7,7 @@ LL |         c(2usize).await;
    |         arguments to this function are incorrect
    |
 note: closure parameter defined here
-  --> $DIR/arg-mismatch.rs:10:24
+  --> $DIR/arg-mismatch.rs:8:24
    |
 LL |         let c = async |x| {};
    |                        ^
diff --git a/tests/ui/async-await/async-closures/async-fn-mut-for-async-fn.rs b/tests/ui/async-await/async-closures/async-fn-mut-for-async-fn.rs
index 8309cfbd58f..e739230fd46 100644
--- a/tests/ui/async-await/async-closures/async-fn-mut-for-async-fn.rs
+++ b/tests/ui/async-await/async-closures/async-fn-mut-for-async-fn.rs
@@ -2,8 +2,6 @@
 //@ edition:2021
 //@ run-pass
 
-#![feature(async_closure)]
-
 extern crate block_on;
 
 fn main() {
diff --git a/tests/ui/async-await/async-closures/async-fn-once-for-async-fn.rs b/tests/ui/async-await/async-closures/async-fn-once-for-async-fn.rs
index e7644e3dfe0..078348eb4e6 100644
--- a/tests/ui/async-await/async-closures/async-fn-once-for-async-fn.rs
+++ b/tests/ui/async-await/async-closures/async-fn-once-for-async-fn.rs
@@ -2,8 +2,6 @@
 //@ edition:2021
 //@ run-pass
 
-#![feature(async_closure)]
-
 extern crate block_on;
 
 fn main() {
diff --git a/tests/ui/async-await/async-closures/auxiliary/block-on.rs b/tests/ui/async-await/async-closures/auxiliary/block-on.rs
index 8b50c5571c1..4ec45ddf333 100644
--- a/tests/ui/async-await/async-closures/auxiliary/block-on.rs
+++ b/tests/ui/async-await/async-closures/auxiliary/block-on.rs
@@ -1,7 +1,5 @@
 //@ edition: 2021
 
-#![feature(async_closure)]
-
 use std::future::Future;
 use std::pin::pin;
 use std::task::*;
diff --git a/tests/ui/async-await/async-closures/auxiliary/foreign.rs b/tests/ui/async-await/async-closures/auxiliary/foreign.rs
index 33548a1b30d..935b029a7c5 100644
--- a/tests/ui/async-await/async-closures/auxiliary/foreign.rs
+++ b/tests/ui/async-await/async-closures/auxiliary/foreign.rs
@@ -1,7 +1,5 @@
 //@ edition:2021
 
-#![feature(async_closure)]
-
 pub fn closure() -> impl AsyncFn() {
     async || { /* Don't really need to do anything here. */ }
 }
diff --git a/tests/ui/async-await/async-closures/await-inference-guidance.rs b/tests/ui/async-await/async-closures/await-inference-guidance.rs
index 1ddc1f8d1c5..f4f91e2e073 100644
--- a/tests/ui/async-await/async-closures/await-inference-guidance.rs
+++ b/tests/ui/async-await/async-closures/await-inference-guidance.rs
@@ -2,8 +2,6 @@
 //@ edition:2021
 //@ run-pass
 
-#![feature(async_closure)]
-
 extern crate block_on;
 
 fn main() {
diff --git a/tests/ui/async-await/async-closures/body-check-on-non-fnmut.rs b/tests/ui/async-await/async-closures/body-check-on-non-fnmut.rs
index a72ff8e5dce..0560d3b0867 100644
--- a/tests/ui/async-await/async-closures/body-check-on-non-fnmut.rs
+++ b/tests/ui/async-await/async-closures/body-check-on-non-fnmut.rs
@@ -2,8 +2,6 @@
 //@ edition:2021
 //@ build-pass
 
-#![feature(async_closure)]
-
 extern crate block_on;
 
 // Make sure that we don't call `coroutine_by_move_body_def_id` query
diff --git a/tests/ui/async-await/async-closures/box-deref-in-debuginfo.rs b/tests/ui/async-await/async-closures/box-deref-in-debuginfo.rs
index 5ec1c5ee50e..10f7636720c 100644
--- a/tests/ui/async-await/async-closures/box-deref-in-debuginfo.rs
+++ b/tests/ui/async-await/async-closures/box-deref-in-debuginfo.rs
@@ -2,8 +2,6 @@
 //@ edition:2021
 //@ run-pass
 
-#![feature(async_closure)]
-
 extern crate block_on;
 
 pub trait Trait {
diff --git a/tests/ui/async-await/async-closures/brand.rs b/tests/ui/async-await/async-closures/brand.rs
index db1f5d271c6..3b13506cf00 100644
--- a/tests/ui/async-await/async-closures/brand.rs
+++ b/tests/ui/async-await/async-closures/brand.rs
@@ -2,8 +2,6 @@
 //@ edition:2021
 //@ build-pass
 
-#![feature(async_closure)]
-
 extern crate block_on;
 
 use std::future::Future;
diff --git a/tests/ui/async-await/async-closures/call-once-deduction.rs b/tests/ui/async-await/async-closures/call-once-deduction.rs
new file mode 100644
index 00000000000..ed2830a5e82
--- /dev/null
+++ b/tests/ui/async-await/async-closures/call-once-deduction.rs
@@ -0,0 +1,14 @@
+//@ edition: 2021
+//@ check-pass
+
+#![feature(async_fn_traits, unboxed_closures)]
+
+fn bar<F, O>(_: F)
+where
+    F: AsyncFnOnce<(), CallOnceFuture = O>,
+{
+}
+
+fn main() {
+    bar(async move || {});
+}
diff --git a/tests/ui/async-await/async-closures/captures.rs b/tests/ui/async-await/async-closures/captures.rs
index 2bd4b685997..296fca6cb86 100644
--- a/tests/ui/async-await/async-closures/captures.rs
+++ b/tests/ui/async-await/async-closures/captures.rs
@@ -5,8 +5,6 @@
 
 // Same as miri's `tests/pass/async-closure-captures.rs`, keep in sync
 
-#![feature(async_closure)]
-
 extern crate block_on;
 
 fn main() {
diff --git a/tests/ui/async-await/async-closures/clone-closure.rs b/tests/ui/async-await/async-closures/clone-closure.rs
index a9e1d6bccc7..b637ab45b9a 100644
--- a/tests/ui/async-await/async-closures/clone-closure.rs
+++ b/tests/ui/async-await/async-closures/clone-closure.rs
@@ -3,8 +3,6 @@
 //@ run-pass
 //@ check-run-results
 
-#![feature(async_closure)]
-
 extern crate block_on;
 
 async fn for_each(f: impl AsyncFnOnce(&str) + Clone) {
diff --git a/tests/ui/async-await/async-closures/closure-shim-borrowck-error.rs b/tests/ui/async-await/async-closures/closure-shim-borrowck-error.rs
index 4cbbefb0f52..069744a3282 100644
--- a/tests/ui/async-await/async-closures/closure-shim-borrowck-error.rs
+++ b/tests/ui/async-await/async-closures/closure-shim-borrowck-error.rs
@@ -1,7 +1,5 @@
 //@ compile-flags: -Zvalidate-mir --edition=2018 --crate-type=lib -Copt-level=3
 
-#![feature(async_closure)]
-
 fn main() {}
 
 fn needs_fn_mut<T>(mut x: impl FnMut() -> T) {
diff --git a/tests/ui/async-await/async-closures/closure-shim-borrowck-error.stderr b/tests/ui/async-await/async-closures/closure-shim-borrowck-error.stderr
index bab26c19482..52697bac509 100644
--- a/tests/ui/async-await/async-closures/closure-shim-borrowck-error.stderr
+++ b/tests/ui/async-await/async-closures/closure-shim-borrowck-error.stderr
@@ -1,5 +1,5 @@
 error[E0507]: cannot move out of `x` which is behind a mutable reference
-  --> $DIR/closure-shim-borrowck-error.rs:12:18
+  --> $DIR/closure-shim-borrowck-error.rs:10:18
    |
 LL |     needs_fn_mut(async || {
    |                  ^^^^^^^^ `x` is moved here
@@ -11,7 +11,7 @@ LL |         x.hello();
    |         move occurs because `x` has type `Ty`, which does not implement the `Copy` trait
    |
 note: if `Ty` implemented `Clone`, you could clone the value
-  --> $DIR/closure-shim-borrowck-error.rs:18:1
+  --> $DIR/closure-shim-borrowck-error.rs:16:1
    |
 LL |         x.hello();
    |         - you could clone this value
diff --git a/tests/ui/async-await/async-closures/constrained-but-no-upvars-yet.rs b/tests/ui/async-await/async-closures/constrained-but-no-upvars-yet.rs
index 1acbf0311b3..993f8378439 100644
--- a/tests/ui/async-await/async-closures/constrained-but-no-upvars-yet.rs
+++ b/tests/ui/async-await/async-closures/constrained-but-no-upvars-yet.rs
@@ -4,8 +4,6 @@
 //@ ignore-compare-mode-next-solver (explicit revisions)
 //@[next] compile-flags: -Znext-solver
 
-#![feature(async_closure)]
-
 fn constrain<T: AsyncFnOnce()>(t: T) -> T {
     t
 }
diff --git a/tests/ui/async-await/async-closures/debuginfo-by-move-body.rs b/tests/ui/async-await/async-closures/debuginfo-by-move-body.rs
index f71cc1ef537..a1d6ce259e2 100644
--- a/tests/ui/async-await/async-closures/debuginfo-by-move-body.rs
+++ b/tests/ui/async-await/async-closures/debuginfo-by-move-body.rs
@@ -3,8 +3,6 @@
 //@ build-pass
 //@ compile-flags: -Cdebuginfo=2
 
-#![feature(async_closure)]
-
 extern crate block_on;
 
 async fn call_once(f: impl AsyncFnOnce()) {
diff --git a/tests/ui/async-await/async-closures/def-path.rs b/tests/ui/async-await/async-closures/def-path.rs
index 70450697816..838556966e8 100644
--- a/tests/ui/async-await/async-closures/def-path.rs
+++ b/tests/ui/async-await/async-closures/def-path.rs
@@ -1,8 +1,6 @@
 //@ compile-flags: -Zverbose-internals
 //@ edition:2021
 
-#![feature(async_closure)]
-
 fn main() {
     let x = async || {};
     //~^ NOTE the expected `async` closure body
diff --git a/tests/ui/async-await/async-closures/def-path.stderr b/tests/ui/async-await/async-closures/def-path.stderr
index 0a1e30c1253..cf25b2d2d23 100644
--- a/tests/ui/async-await/async-closures/def-path.stderr
+++ b/tests/ui/async-await/async-closures/def-path.stderr
@@ -1,5 +1,5 @@
 error[E0308]: mismatched types
-  --> $DIR/def-path.rs:9:9
+  --> $DIR/def-path.rs:7:9
    |
 LL |     let x = async || {};
    |                      -- the expected `async` closure body
diff --git a/tests/ui/async-await/async-closures/different-projection-lengths-for-different-upvars.rs b/tests/ui/async-await/async-closures/different-projection-lengths-for-different-upvars.rs
index 2313db506be..d40c9548a3a 100644
--- a/tests/ui/async-await/async-closures/different-projection-lengths-for-different-upvars.rs
+++ b/tests/ui/async-await/async-closures/different-projection-lengths-for-different-upvars.rs
@@ -2,8 +2,6 @@
 //@ edition: 2021
 // issue: rust-lang/rust#123697
 
-#![feature(async_closure)]
-
 struct S { t: i32 }
 
 fn test(s: &S, t: &i32) {
diff --git a/tests/ui/async-await/async-closures/dont-ice-when-body-tainted-by-errors.rs b/tests/ui/async-await/async-closures/dont-ice-when-body-tainted-by-errors.rs
index 8fc9924a12f..f90d10ebe85 100644
--- a/tests/ui/async-await/async-closures/dont-ice-when-body-tainted-by-errors.rs
+++ b/tests/ui/async-await/async-closures/dont-ice-when-body-tainted-by-errors.rs
@@ -1,7 +1,5 @@
 //@ edition: 2021
 
-#![feature(async_closure)]
-
 struct DropMe;
 
 trait Impossible {}
diff --git a/tests/ui/async-await/async-closures/dont-ice-when-body-tainted-by-errors.stderr b/tests/ui/async-await/async-closures/dont-ice-when-body-tainted-by-errors.stderr
index b4dc3e268bd..c93c1732a22 100644
--- a/tests/ui/async-await/async-closures/dont-ice-when-body-tainted-by-errors.stderr
+++ b/tests/ui/async-await/async-closures/dont-ice-when-body-tainted-by-errors.stderr
@@ -1,16 +1,16 @@
 error[E0277]: the trait bound `(): Impossible` is not satisfied
-  --> $DIR/dont-ice-when-body-tainted-by-errors.rs:19:23
+  --> $DIR/dont-ice-when-body-tainted-by-errors.rs:17:23
    |
 LL |         trait_error::<()>();
    |                       ^^ the trait `Impossible` is not implemented for `()`
    |
 help: this trait has no implementations, consider adding one
-  --> $DIR/dont-ice-when-body-tainted-by-errors.rs:7:1
+  --> $DIR/dont-ice-when-body-tainted-by-errors.rs:5:1
    |
 LL | trait Impossible {}
    | ^^^^^^^^^^^^^^^^
 note: required by a bound in `trait_error`
-  --> $DIR/dont-ice-when-body-tainted-by-errors.rs:8:19
+  --> $DIR/dont-ice-when-body-tainted-by-errors.rs:6:19
    |
 LL | fn trait_error<T: Impossible>() {}
    |                   ^^^^^^^^^^ required by this bound in `trait_error`
diff --git a/tests/ui/async-await/async-closures/drop.rs b/tests/ui/async-await/async-closures/drop.rs
index 9c99550e3b7..24c182d2c2d 100644
--- a/tests/ui/async-await/async-closures/drop.rs
+++ b/tests/ui/async-await/async-closures/drop.rs
@@ -3,7 +3,6 @@
 //@ run-pass
 //@ check-run-results
 
-#![feature(async_closure)]
 #![allow(unused)]
 
 extern crate block_on;
diff --git a/tests/ui/async-await/async-closures/fn-exception-target-features.rs b/tests/ui/async-await/async-closures/fn-exception-target-features.rs
index eb554650b7c..82fc776fd2c 100644
--- a/tests/ui/async-await/async-closures/fn-exception-target-features.rs
+++ b/tests/ui/async-await/async-closures/fn-exception-target-features.rs
@@ -1,7 +1,7 @@
 //@ edition: 2021
 //@ only-x86_64
 
-#![feature(async_closure, target_feature_11)]
+#![feature(target_feature_11)]
 // `target_feature_11` just to test safe functions w/ target features.
 
 use std::pin::Pin;
diff --git a/tests/ui/async-await/async-closures/fn-exception.rs b/tests/ui/async-await/async-closures/fn-exception.rs
index 36cb955cd5c..8ff63983e79 100644
--- a/tests/ui/async-await/async-closures/fn-exception.rs
+++ b/tests/ui/async-await/async-closures/fn-exception.rs
@@ -1,7 +1,5 @@
 //@ edition: 2021
 
-#![feature(async_closure)]
-
 use std::pin::Pin;
 use std::future::Future;
 
diff --git a/tests/ui/async-await/async-closures/fn-exception.stderr b/tests/ui/async-await/async-closures/fn-exception.stderr
index b3118664c15..aa74ed234df 100644
--- a/tests/ui/async-await/async-closures/fn-exception.stderr
+++ b/tests/ui/async-await/async-closures/fn-exception.stderr
@@ -1,5 +1,5 @@
 error[E0277]: the trait bound `unsafe fn() -> Pin<Box<(dyn Future<Output = ()> + 'static)>> {unsafety}: AsyncFn()` is not satisfied
-  --> $DIR/fn-exception.rs:19:10
+  --> $DIR/fn-exception.rs:17:10
    |
 LL |     test(unsafety);
    |     ---- ^^^^^^^^ the trait `AsyncFn()` is not implemented for fn item `unsafe fn() -> Pin<Box<(dyn Future<Output = ()> + 'static)>> {unsafety}`
@@ -7,13 +7,13 @@ LL |     test(unsafety);
    |     required by a bound introduced by this call
    |
 note: required by a bound in `test`
-  --> $DIR/fn-exception.rs:16:17
+  --> $DIR/fn-exception.rs:14:17
    |
 LL | fn test(f: impl AsyncFn()) {}
    |                 ^^^^^^^^^ required by this bound in `test`
 
 error[E0277]: the trait bound `extern "C" fn() -> Pin<Box<(dyn Future<Output = ()> + 'static)>> {abi}: AsyncFn()` is not satisfied
-  --> $DIR/fn-exception.rs:20:10
+  --> $DIR/fn-exception.rs:18:10
    |
 LL |     test(abi);
    |     ---- ^^^ the trait `AsyncFn()` is not implemented for fn item `extern "C" fn() -> Pin<Box<(dyn Future<Output = ()> + 'static)>> {abi}`
@@ -21,7 +21,7 @@ LL |     test(abi);
    |     required by a bound introduced by this call
    |
 note: required by a bound in `test`
-  --> $DIR/fn-exception.rs:16:17
+  --> $DIR/fn-exception.rs:14:17
    |
 LL | fn test(f: impl AsyncFn()) {}
    |                 ^^^^^^^^^ required by this bound in `test`
diff --git a/tests/ui/async-await/async-closures/force-move-due-to-actually-fnonce.rs b/tests/ui/async-await/async-closures/force-move-due-to-actually-fnonce.rs
index 7244a29673b..1347a4b259b 100644
--- a/tests/ui/async-await/async-closures/force-move-due-to-actually-fnonce.rs
+++ b/tests/ui/async-await/async-closures/force-move-due-to-actually-fnonce.rs
@@ -2,8 +2,6 @@
 //@ edition:2021
 //@ build-pass
 
-#![feature(async_closure)]
-
 extern crate block_on;
 
 fn consume(_: String) {}
diff --git a/tests/ui/async-await/async-closures/force-move-due-to-inferred-kind.rs b/tests/ui/async-await/async-closures/force-move-due-to-inferred-kind.rs
index c20e3664d8b..c963d282c4e 100644
--- a/tests/ui/async-await/async-closures/force-move-due-to-inferred-kind.rs
+++ b/tests/ui/async-await/async-closures/force-move-due-to-inferred-kind.rs
@@ -2,8 +2,6 @@
 //@ edition:2021
 //@ build-pass
 
-#![feature(async_closure)]
-
 extern crate block_on;
 
 fn force_fnonce<T: AsyncFnOnce()>(t: T) -> T { t }
diff --git a/tests/ui/async-await/async-closures/foreign.rs b/tests/ui/async-await/async-closures/foreign.rs
index a244eef4102..b0580a8f09d 100644
--- a/tests/ui/async-await/async-closures/foreign.rs
+++ b/tests/ui/async-await/async-closures/foreign.rs
@@ -3,8 +3,6 @@
 //@ edition:2021
 //@ build-pass
 
-#![feature(async_closure)]
-
 use std::future::Future;
 
 extern crate block_on;
diff --git a/tests/ui/async-await/async-closures/higher-ranked-return.rs b/tests/ui/async-await/async-closures/higher-ranked-return.rs
index d6bea5dd103..328c733d42d 100644
--- a/tests/ui/async-await/async-closures/higher-ranked-return.rs
+++ b/tests/ui/async-await/async-closures/higher-ranked-return.rs
@@ -4,8 +4,6 @@
 //@ known-bug: unknown
 // Borrow checking doesn't like that higher-ranked output...
 
-#![feature(async_closure)]
-
 extern crate block_on;
 
 fn main() {
diff --git a/tests/ui/async-await/async-closures/higher-ranked-return.stderr b/tests/ui/async-await/async-closures/higher-ranked-return.stderr
index 268631f67cd..23ce3df6616 100644
--- a/tests/ui/async-await/async-closures/higher-ranked-return.stderr
+++ b/tests/ui/async-await/async-closures/higher-ranked-return.stderr
@@ -1,10 +1,10 @@
 error: lifetime may not live long enough
-  --> $DIR/higher-ranked-return.rs:13:46
+  --> $DIR/higher-ranked-return.rs:11:46
    |
 LL |           let x = async move |x: &str| -> &str {
    |  ________________________________-________----_^
    | |                                |        |
-   | |                                |        return type of async closure `{async closure body@$DIR/higher-ranked-return.rs:13:46: 15:10}` contains a lifetime `'2`
+   | |                                |        return type of async closure `{async closure body@$DIR/higher-ranked-return.rs:11:46: 13:10}` contains a lifetime `'2`
    | |                                let's call the lifetime of this reference `'1`
 LL | |             x
 LL | |         };
diff --git a/tests/ui/async-await/async-closures/higher-ranked.rs b/tests/ui/async-await/async-closures/higher-ranked.rs
index 5b34bfce961..28f9df60130 100644
--- a/tests/ui/async-await/async-closures/higher-ranked.rs
+++ b/tests/ui/async-await/async-closures/higher-ranked.rs
@@ -2,8 +2,6 @@
 //@ edition:2021
 //@ build-pass
 
-#![feature(async_closure)]
-
 extern crate block_on;
 
 fn main() {
diff --git a/tests/ui/async-await/async-closures/implements-fnmut.rs b/tests/ui/async-await/async-closures/implements-fnmut.rs
index f49d1423c40..a2e31bb9870 100644
--- a/tests/ui/async-await/async-closures/implements-fnmut.rs
+++ b/tests/ui/async-await/async-closures/implements-fnmut.rs
@@ -7,8 +7,6 @@
 // `should_reborrow_from_env_of_parent_coroutine_closure` for more detail for when we
 // must borrow from the closure env.
 
-#![feature(async_closure)]
-
 fn main() {
     hello(&Ty);
 }
diff --git a/tests/ui/async-await/async-closures/inline-body.rs b/tests/ui/async-await/async-closures/inline-body.rs
index b7d7102c287..3f1b9c26601 100644
--- a/tests/ui/async-await/async-closures/inline-body.rs
+++ b/tests/ui/async-await/async-closures/inline-body.rs
@@ -6,8 +6,6 @@
 // `mir_inliner_callees` for the synthetic by-move coroutine body since
 // its def-id wasn't previously being considered.
 
-#![feature(async_closure)]
-
 use std::future::Future;
 use std::pin::pin;
 use std::task::*;
diff --git a/tests/ui/async-await/async-closures/is-fn.rs b/tests/ui/async-await/async-closures/is-fn.rs
index 89c3a96bbbe..45c2b6ae342 100644
--- a/tests/ui/async-await/async-closures/is-fn.rs
+++ b/tests/ui/async-await/async-closures/is-fn.rs
@@ -5,8 +5,6 @@
 //@ ignore-compare-mode-next-solver (explicit revisions)
 //@[next] compile-flags: -Znext-solver
 
-#![feature(async_closure)]
-
 use std::future::Future;
 
 extern crate block_on;
diff --git a/tests/ui/async-await/async-closures/is-not-fn.rs b/tests/ui/async-await/async-closures/is-not-fn.rs
index f877513043d..4acaa5d9809 100644
--- a/tests/ui/async-await/async-closures/is-not-fn.rs
+++ b/tests/ui/async-await/async-closures/is-not-fn.rs
@@ -1,9 +1,7 @@
 //@ edition:2021
 
-#![feature(async_closure)]
-
 fn main() {
     fn needs_fn(x: impl FnOnce()) {}
     needs_fn(async || {});
-    //~^ ERROR expected `{async closure@is-not-fn.rs:7:14}` to be a closure that returns `()`
+    //~^ ERROR expected `{async closure@is-not-fn.rs:5:14}` to be a closure that returns `()`
 }
diff --git a/tests/ui/async-await/async-closures/is-not-fn.stderr b/tests/ui/async-await/async-closures/is-not-fn.stderr
index 130746ece67..bc1d5e6e9d1 100644
--- a/tests/ui/async-await/async-closures/is-not-fn.stderr
+++ b/tests/ui/async-await/async-closures/is-not-fn.stderr
@@ -1,5 +1,5 @@
-error[E0271]: expected `{async closure@is-not-fn.rs:7:14}` to be a closure that returns `()`, but it returns `{async closure body@$DIR/is-not-fn.rs:7:23: 7:25}`
-  --> $DIR/is-not-fn.rs:7:14
+error[E0271]: expected `{async closure@is-not-fn.rs:5:14}` to be a closure that returns `()`, but it returns `{async closure body@$DIR/is-not-fn.rs:5:23: 5:25}`
+  --> $DIR/is-not-fn.rs:5:14
    |
 LL |     needs_fn(async || {});
    |     -------- ^^^^^^^^^^^ expected `()`, found `async` closure body
@@ -7,9 +7,9 @@ LL |     needs_fn(async || {});
    |     required by a bound introduced by this call
    |
    = note:         expected unit type `()`
-           found `async` closure body `{async closure body@$DIR/is-not-fn.rs:7:23: 7:25}`
+           found `async` closure body `{async closure body@$DIR/is-not-fn.rs:5:23: 5:25}`
 note: required by a bound in `needs_fn`
-  --> $DIR/is-not-fn.rs:6:25
+  --> $DIR/is-not-fn.rs:4:25
    |
 LL |     fn needs_fn(x: impl FnOnce()) {}
    |                         ^^^^^^^^ required by this bound in `needs_fn`
diff --git a/tests/ui/async-await/async-closures/lint-closure-returning-async-block.rs b/tests/ui/async-await/async-closures/lint-closure-returning-async-block.rs
index 3e2ab8321a8..f05d918aef2 100644
--- a/tests/ui/async-await/async-closures/lint-closure-returning-async-block.rs
+++ b/tests/ui/async-await/async-closures/lint-closure-returning-async-block.rs
@@ -1,6 +1,5 @@
 //@ edition: 2021
 
-#![feature(async_closure)]
 #![deny(closure_returning_async_block)]
 
 fn main() {
diff --git a/tests/ui/async-await/async-closures/lint-closure-returning-async-block.stderr b/tests/ui/async-await/async-closures/lint-closure-returning-async-block.stderr
index 4c0c4d797d8..287dc52c593 100644
--- a/tests/ui/async-await/async-closures/lint-closure-returning-async-block.stderr
+++ b/tests/ui/async-await/async-closures/lint-closure-returning-async-block.stderr
@@ -1,11 +1,11 @@
 error: closure returning async block can be made into an async closure
-  --> $DIR/lint-closure-returning-async-block.rs:7:13
+  --> $DIR/lint-closure-returning-async-block.rs:6:13
    |
 LL |     let x = || async {};
    |             ^^ ----- this async block can be removed, and the closure can be turned into an async closure
    |
 note: the lint level is defined here
-  --> $DIR/lint-closure-returning-async-block.rs:4:9
+  --> $DIR/lint-closure-returning-async-block.rs:3:9
    |
 LL | #![deny(closure_returning_async_block)]
    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -16,7 +16,7 @@ LL +     let x = async || {};
    |
 
 error: closure returning async block can be made into an async closure
-  --> $DIR/lint-closure-returning-async-block.rs:10:13
+  --> $DIR/lint-closure-returning-async-block.rs:9:13
    |
 LL |     let x = || async move {};
    |             ^^ ---------- this async block can be removed, and the closure can be turned into an async closure
@@ -28,7 +28,7 @@ LL +     let x = async || {};
    |
 
 error: closure returning async block can be made into an async closure
-  --> $DIR/lint-closure-returning-async-block.rs:13:13
+  --> $DIR/lint-closure-returning-async-block.rs:12:13
    |
 LL |     let x = move || async move {};
    |             ^^^^^^^ ---------- this async block can be removed, and the closure can be turned into an async closure
@@ -40,7 +40,7 @@ LL +     let x = async move || {};
    |
 
 error: closure returning async block can be made into an async closure
-  --> $DIR/lint-closure-returning-async-block.rs:16:13
+  --> $DIR/lint-closure-returning-async-block.rs:15:13
    |
 LL |     let x = move || async {};
    |             ^^^^^^^ ----- this async block can be removed, and the closure can be turned into an async closure
@@ -52,7 +52,7 @@ LL +     let x = async move || {};
    |
 
 error: closure returning async block can be made into an async closure
-  --> $DIR/lint-closure-returning-async-block.rs:19:13
+  --> $DIR/lint-closure-returning-async-block.rs:18:13
    |
 LL |     let x = || {{ async {} }};
    |             ^^    ----- this async block can be removed, and the closure can be turned into an async closure
diff --git a/tests/ui/async-await/async-closures/mac-body.rs b/tests/ui/async-await/async-closures/mac-body.rs
index a416227c390..51c077ba03f 100644
--- a/tests/ui/async-await/async-closures/mac-body.rs
+++ b/tests/ui/async-await/async-closures/mac-body.rs
@@ -1,8 +1,6 @@
 //@ edition: 2021
 //@ check-pass
 
-#![feature(async_closure)]
-
 // Make sure we don't ICE if an async closure has a macro body.
 // This happened because we were calling walk instead of visit
 // in the def collector, oops!
diff --git a/tests/ui/async-await/async-closures/mangle.rs b/tests/ui/async-await/async-closures/mangle.rs
index 1790f369c57..c8e5e52e1b2 100644
--- a/tests/ui/async-await/async-closures/mangle.rs
+++ b/tests/ui/async-await/async-closures/mangle.rs
@@ -5,8 +5,6 @@
 //@[v0] compile-flags: -Csymbol-mangling-version=v0
 //@[legacy] compile-flags: -Csymbol-mangling-version=legacy -Zunstable-options
 
-#![feature(async_closure)]
-
 extern crate block_on;
 
 use std::future::Future;
diff --git a/tests/ui/async-await/async-closures/moro-example.rs b/tests/ui/async-await/async-closures/moro-example.rs
index c331b8e5b5e..502b3e1bbf8 100644
--- a/tests/ui/async-await/async-closures/moro-example.rs
+++ b/tests/ui/async-await/async-closures/moro-example.rs
@@ -1,8 +1,6 @@
 //@ check-pass
 //@ edition: 2021
 
-#![feature(async_closure)]
-
 use std::future::Future;
 use std::pin::Pin;
 use std::{marker::PhantomData, sync::Mutex};
diff --git a/tests/ui/async-await/async-closures/move-consuming-capture.rs b/tests/ui/async-await/async-closures/move-consuming-capture.rs
index 17925fc89ba..c833bc7e895 100644
--- a/tests/ui/async-await/async-closures/move-consuming-capture.rs
+++ b/tests/ui/async-await/async-closures/move-consuming-capture.rs
@@ -1,8 +1,6 @@
 //@ aux-build:block-on.rs
 //@ edition:2021
 
-#![feature(async_closure)]
-
 extern crate block_on;
 
 struct NoCopy;
diff --git a/tests/ui/async-await/async-closures/move-consuming-capture.stderr b/tests/ui/async-await/async-closures/move-consuming-capture.stderr
index 4ce71ec49d6..e28716ca213 100644
--- a/tests/ui/async-await/async-closures/move-consuming-capture.stderr
+++ b/tests/ui/async-await/async-closures/move-consuming-capture.stderr
@@ -1,8 +1,8 @@
 error[E0382]: use of moved value: `x`
-  --> $DIR/move-consuming-capture.rs:17:9
+  --> $DIR/move-consuming-capture.rs:15:9
    |
 LL |         let x = async move || {
-   |             - move occurs because `x` has type `{async closure@$DIR/move-consuming-capture.rs:13:17: 13:30}`, which does not implement the `Copy` trait
+   |             - move occurs because `x` has type `{async closure@$DIR/move-consuming-capture.rs:11:17: 11:30}`, which does not implement the `Copy` trait
 ...
 LL |         x().await;
    |         --- `x` moved due to this method call
diff --git a/tests/ui/async-await/async-closures/move-is-async-fn.rs b/tests/ui/async-await/async-closures/move-is-async-fn.rs
index d0e2bc24b52..2cbad0faffc 100644
--- a/tests/ui/async-await/async-closures/move-is-async-fn.rs
+++ b/tests/ui/async-await/async-closures/move-is-async-fn.rs
@@ -2,7 +2,7 @@
 //@ edition:2021
 //@ build-pass
 
-#![feature(async_closure, async_fn_traits)]
+#![feature(async_fn_traits)]
 
 extern crate block_on;
 
diff --git a/tests/ui/async-await/async-closures/move-out-of-ref.rs b/tests/ui/async-await/async-closures/move-out-of-ref.rs
index a05447232f6..34389d2d00a 100644
--- a/tests/ui/async-await/async-closures/move-out-of-ref.rs
+++ b/tests/ui/async-await/async-closures/move-out-of-ref.rs
@@ -1,8 +1,6 @@
 //@ compile-flags: -Zvalidate-mir
 //@ edition: 2021
 
-#![feature(async_closure)]
-
 // NOT copy.
 struct Ty;
 
diff --git a/tests/ui/async-await/async-closures/move-out-of-ref.stderr b/tests/ui/async-await/async-closures/move-out-of-ref.stderr
index 294905a481d..8a63515a8a9 100644
--- a/tests/ui/async-await/async-closures/move-out-of-ref.stderr
+++ b/tests/ui/async-await/async-closures/move-out-of-ref.stderr
@@ -1,11 +1,11 @@
 error[E0507]: cannot move out of `*x` which is behind a shared reference
-  --> $DIR/move-out-of-ref.rs:11:9
+  --> $DIR/move-out-of-ref.rs:9:9
    |
 LL |         *x;
    |         ^^ move occurs because `*x` has type `Ty`, which does not implement the `Copy` trait
    |
 note: if `Ty` implemented `Clone`, you could clone the value
-  --> $DIR/move-out-of-ref.rs:7:1
+  --> $DIR/move-out-of-ref.rs:5:1
    |
 LL | struct Ty;
    | ^^^^^^^^^ consider implementing `Clone` for this type
diff --git a/tests/ui/async-await/async-closures/mut-ref-reborrow.rs b/tests/ui/async-await/async-closures/mut-ref-reborrow.rs
index c37048398e9..a1a90a1c9ad 100644
--- a/tests/ui/async-await/async-closures/mut-ref-reborrow.rs
+++ b/tests/ui/async-await/async-closures/mut-ref-reborrow.rs
@@ -5,8 +5,6 @@
 //@[e2018] edition:2018
 //@[e2021] edition:2021
 
-#![feature(async_closure)]
-
 extern crate block_on;
 
 async fn call_once(f: impl AsyncFnOnce()) { f().await; }
diff --git a/tests/ui/async-await/async-closures/mutate.rs b/tests/ui/async-await/async-closures/mutate.rs
index 562a7271c66..7c1d8389eac 100644
--- a/tests/ui/async-await/async-closures/mutate.rs
+++ b/tests/ui/async-await/async-closures/mutate.rs
@@ -2,8 +2,6 @@
 //@ edition:2021
 //@ run-pass
 
-#![feature(async_closure)]
-
 extern crate block_on;
 
 fn main() {
diff --git a/tests/ui/async-await/async-closures/no-borrow-from-env.rs b/tests/ui/async-await/async-closures/no-borrow-from-env.rs
index 36b10c06dca..ce180631389 100644
--- a/tests/ui/async-await/async-closures/no-borrow-from-env.rs
+++ b/tests/ui/async-await/async-closures/no-borrow-from-env.rs
@@ -1,8 +1,6 @@
 //@ edition: 2021
 //@ check-pass
 
-#![feature(async_closure)]
-
 fn outlives<'a>(_: impl Sized + 'a) {}
 
 async fn call_once(f: impl AsyncFnOnce()) {
diff --git a/tests/ui/async-await/async-closures/non-copy-arg-does-not-force-inner-move.rs b/tests/ui/async-await/async-closures/non-copy-arg-does-not-force-inner-move.rs
index cfb50dd5574..0c22ac97265 100644
--- a/tests/ui/async-await/async-closures/non-copy-arg-does-not-force-inner-move.rs
+++ b/tests/ui/async-await/async-closures/non-copy-arg-does-not-force-inner-move.rs
@@ -2,8 +2,6 @@
 //@ edition:2021
 //@ build-pass
 
-#![feature(async_closure)]
-
 extern crate block_on;
 
 fn wrapper(f: impl Fn(String)) -> impl AsyncFn(String) {
diff --git a/tests/ui/async-await/async-closures/not-clone-closure.rs b/tests/ui/async-await/async-closures/not-clone-closure.rs
index 2776ce4690f..c96c50e85d8 100644
--- a/tests/ui/async-await/async-closures/not-clone-closure.rs
+++ b/tests/ui/async-await/async-closures/not-clone-closure.rs
@@ -1,7 +1,5 @@
 //@ edition: 2021
 
-#![feature(async_closure)]
-
 struct NotClonableArg;
 #[derive(Default)]
 struct NotClonableReturnType;
diff --git a/tests/ui/async-await/async-closures/not-clone-closure.stderr b/tests/ui/async-await/async-closures/not-clone-closure.stderr
index c2f963f9b92..a08ee45f970 100644
--- a/tests/ui/async-await/async-closures/not-clone-closure.stderr
+++ b/tests/ui/async-await/async-closures/not-clone-closure.stderr
@@ -1,12 +1,12 @@
-error[E0277]: the trait bound `NotClonableUpvar: Clone` is not satisfied in `{async closure@$DIR/not-clone-closure.rs:29:21: 29:34}`
-  --> $DIR/not-clone-closure.rs:32:15
+error[E0277]: the trait bound `NotClonableUpvar: Clone` is not satisfied in `{async closure@$DIR/not-clone-closure.rs:27:21: 27:34}`
+  --> $DIR/not-clone-closure.rs:30:15
    |
 LL |     not_clone.clone();
    |               ^^^^^ unsatisfied trait bound
    |
-   = help: within `{async closure@$DIR/not-clone-closure.rs:29:21: 29:34}`, the trait `Clone` is not implemented for `NotClonableUpvar`
+   = help: within `{async closure@$DIR/not-clone-closure.rs:27:21: 27:34}`, the trait `Clone` is not implemented for `NotClonableUpvar`
 note: required because it's used within this closure
-  --> $DIR/not-clone-closure.rs:29:21
+  --> $DIR/not-clone-closure.rs:27:21
    |
 LL |     let not_clone = async move || {
    |                     ^^^^^^^^^^^^^
diff --git a/tests/ui/async-await/async-closures/not-fn.rs b/tests/ui/async-await/async-closures/not-fn.rs
index 5f2d047c3e9..34dd2a22bbb 100644
--- a/tests/ui/async-await/async-closures/not-fn.rs
+++ b/tests/ui/async-await/async-closures/not-fn.rs
@@ -2,8 +2,6 @@
 
 // FIXME(async_closures): This needs a better error message!
 
-#![feature(async_closure)]
-
 fn main() {
     fn needs_fn<T>(_: impl FnMut() -> T) {}
 
diff --git a/tests/ui/async-await/async-closures/not-fn.stderr b/tests/ui/async-await/async-closures/not-fn.stderr
index 9c40613599a..4b9d2db9a25 100644
--- a/tests/ui/async-await/async-closures/not-fn.stderr
+++ b/tests/ui/async-await/async-closures/not-fn.stderr
@@ -1,5 +1,5 @@
 error: async closure does not implement `FnMut` because it captures state from its environment
-  --> $DIR/not-fn.rs:11:14
+  --> $DIR/not-fn.rs:9:14
    |
 LL |     needs_fn(async || {
    |     -------- ^^^^^^^^
@@ -7,7 +7,7 @@ LL |     needs_fn(async || {
    |     required by a bound introduced by this call
    |
 note: required by a bound in `needs_fn`
-  --> $DIR/not-fn.rs:8:28
+  --> $DIR/not-fn.rs:6:28
    |
 LL |     fn needs_fn<T>(_: impl FnMut() -> T) {}
    |                            ^^^^^^^^^^^^ required by this bound in `needs_fn`
diff --git a/tests/ui/async-await/async-closures/not-lending.rs b/tests/ui/async-await/async-closures/not-lending.rs
index 2e5542207cf..7bf2d3ead52 100644
--- a/tests/ui/async-await/async-closures/not-lending.rs
+++ b/tests/ui/async-await/async-closures/not-lending.rs
@@ -1,8 +1,6 @@
 //@ aux-build:block-on.rs
 //@ edition:2021
 
-#![feature(async_closure)]
-
 extern crate block_on;
 
 // Make sure that we can't make an async closure that evaluates to a self-borrow.
diff --git a/tests/ui/async-await/async-closures/not-lending.stderr b/tests/ui/async-await/async-closures/not-lending.stderr
index 1713e49b551..f0028129caa 100644
--- a/tests/ui/async-await/async-closures/not-lending.stderr
+++ b/tests/ui/async-await/async-closures/not-lending.stderr
@@ -1,21 +1,21 @@
 error: lifetime may not live long enough
-  --> $DIR/not-lending.rs:14:42
+  --> $DIR/not-lending.rs:12:42
    |
 LL |         let x = async move || -> &String { &s };
    |                 ------------------------ ^^^^^^ returning this value requires that `'1` must outlive `'2`
    |                 |                |
-   |                 |                return type of async closure `{async closure body@$DIR/not-lending.rs:14:42: 14:48}` contains a lifetime `'2`
+   |                 |                return type of async closure `{async closure body@$DIR/not-lending.rs:12:42: 12:48}` contains a lifetime `'2`
    |                 lifetime `'1` represents this closure's body
    |
    = note: closure implements `Fn`, so references to captured variables can't escape the closure
 
 error: lifetime may not live long enough
-  --> $DIR/not-lending.rs:18:31
+  --> $DIR/not-lending.rs:16:31
    |
 LL |         let x = async move || { &s };
    |                 ------------- ^^^^^^ returning this value requires that `'1` must outlive `'2`
    |                 |           |
-   |                 |           return type of async closure `{async closure body@$DIR/not-lending.rs:18:31: 18:37}` contains a lifetime `'2`
+   |                 |           return type of async closure `{async closure body@$DIR/not-lending.rs:16:31: 16:37}` contains a lifetime `'2`
    |                 lifetime `'1` represents this closure's body
    |
    = note: closure implements `Fn`, so references to captured variables can't escape the closure
diff --git a/tests/ui/async-await/async-closures/once.rs b/tests/ui/async-await/async-closures/once.rs
index 7009e0d132f..3cf70e16a12 100644
--- a/tests/ui/async-await/async-closures/once.rs
+++ b/tests/ui/async-await/async-closures/once.rs
@@ -5,8 +5,6 @@
 //@ ignore-compare-mode-next-solver (explicit revisions)
 //@[next] compile-flags: -Znext-solver
 
-#![feature(async_closure)]
-
 use std::future::Future;
 
 extern crate block_on;
diff --git a/tests/ui/async-await/async-closures/overlapping-projs.rs b/tests/ui/async-await/async-closures/overlapping-projs.rs
index f778534cfe2..c37f24b4ff2 100644
--- a/tests/ui/async-await/async-closures/overlapping-projs.rs
+++ b/tests/ui/async-await/async-closures/overlapping-projs.rs
@@ -3,8 +3,6 @@
 //@ run-pass
 //@ check-run-results
 
-#![feature(async_closure)]
-
 extern crate block_on;
 
 async fn call_once(f: impl AsyncFnOnce()) {
diff --git a/tests/ui/async-await/async-closures/precise-captures.rs b/tests/ui/async-await/async-closures/precise-captures.rs
index 7dcbf2595f0..638fb67c3a4 100644
--- a/tests/ui/async-await/async-closures/precise-captures.rs
+++ b/tests/ui/async-await/async-closures/precise-captures.rs
@@ -9,7 +9,6 @@
 // force_once - Force the closure mode to `FnOnce`, so exercising what was fixed
 //   in <https://github.com/rust-lang/rust/pull/123350>.
 
-#![feature(async_closure)]
 #![allow(unused_mut)]
 
 extern crate block_on;
diff --git a/tests/ui/async-await/async-closures/pretty-async-fn-opaque.rs b/tests/ui/async-await/async-closures/pretty-async-fn-opaque.rs
index 2e7cf1b09fd..deae1c9376a 100644
--- a/tests/ui/async-await/async-closures/pretty-async-fn-opaque.rs
+++ b/tests/ui/async-await/async-closures/pretty-async-fn-opaque.rs
@@ -1,9 +1,5 @@
 //@ edition: 2021
 
-#![feature(async_closure)]
-
-use std::ops::AsyncFnMut;
-
 fn produce() -> impl AsyncFnMut() -> &'static str {
     async || ""
 }
diff --git a/tests/ui/async-await/async-closures/pretty-async-fn-opaque.stderr b/tests/ui/async-await/async-closures/pretty-async-fn-opaque.stderr
index 863e61eb35a..8bbd9fbec3e 100644
--- a/tests/ui/async-await/async-closures/pretty-async-fn-opaque.stderr
+++ b/tests/ui/async-await/async-closures/pretty-async-fn-opaque.stderr
@@ -1,5 +1,5 @@
 error[E0308]: mismatched types
-  --> $DIR/pretty-async-fn-opaque.rs:12:18
+  --> $DIR/pretty-async-fn-opaque.rs:8:18
    |
 LL | fn produce() -> impl AsyncFnMut() -> &'static str {
    |                 --------------------------------- the found opaque type
diff --git a/tests/ui/async-await/async-closures/refd.rs b/tests/ui/async-await/async-closures/refd.rs
index 8c16ecb1531..ae8a10a530a 100644
--- a/tests/ui/async-await/async-closures/refd.rs
+++ b/tests/ui/async-await/async-closures/refd.rs
@@ -2,8 +2,6 @@
 //@ edition:2021
 //@ build-pass
 
-#![feature(async_closure)]
-
 extern crate block_on;
 
 struct NoCopy;
diff --git a/tests/ui/async-await/async-closures/return-type-mismatch.rs b/tests/ui/async-await/async-closures/return-type-mismatch.rs
index 992f033180e..d3b4cb61cdf 100644
--- a/tests/ui/async-await/async-closures/return-type-mismatch.rs
+++ b/tests/ui/async-await/async-closures/return-type-mismatch.rs
@@ -1,8 +1,6 @@
 //@ aux-build:block-on.rs
 //@ edition:2021
 
-#![feature(async_closure)]
-
 extern crate block_on;
 
 fn main() {
diff --git a/tests/ui/async-await/async-closures/return-type-mismatch.stderr b/tests/ui/async-await/async-closures/return-type-mismatch.stderr
index 53841f62777..d7675aab953 100644
--- a/tests/ui/async-await/async-closures/return-type-mismatch.stderr
+++ b/tests/ui/async-await/async-closures/return-type-mismatch.stderr
@@ -1,5 +1,5 @@
 error[E0308]: mismatched types
-  --> $DIR/return-type-mismatch.rs:11:24
+  --> $DIR/return-type-mismatch.rs:9:24
    |
 LL |         let y: usize = x().await;
    |                        ^^^^^^^^^ expected `usize`, found `i32`
diff --git a/tests/ui/async-await/async-closures/sig-from-bare-fn.rs b/tests/ui/async-await/async-closures/sig-from-bare-fn.rs
index a679471a3b3..72aac140256 100644
--- a/tests/ui/async-await/async-closures/sig-from-bare-fn.rs
+++ b/tests/ui/async-await/async-closures/sig-from-bare-fn.rs
@@ -5,8 +5,6 @@
 // a function that requires the async closure implement `Fn*` but does *not* have
 // a `Future` bound on the return type.
 
-#![feature(async_closure)]
-
 use std::future::Future;
 
 trait TryStream {
diff --git a/tests/ui/async-await/async-closures/signature-deduction.rs b/tests/ui/async-await/async-closures/signature-deduction.rs
index 4e9a6747f1f..27ec54ba4f9 100644
--- a/tests/ui/async-await/async-closures/signature-deduction.rs
+++ b/tests/ui/async-await/async-closures/signature-deduction.rs
@@ -1,8 +1,6 @@
 //@ build-pass
 //@ edition: 2021
 
-#![feature(async_closure)]
-
 async fn foo(x: impl AsyncFn(&str) -> &str) {}
 
 fn main() {
diff --git a/tests/ui/async-await/async-closures/signature-inference-from-two-part-bound.rs b/tests/ui/async-await/async-closures/signature-inference-from-two-part-bound.rs
index 0e2d1ef1208..f66787bd6fc 100644
--- a/tests/ui/async-await/async-closures/signature-inference-from-two-part-bound.rs
+++ b/tests/ui/async-await/async-closures/signature-inference-from-two-part-bound.rs
@@ -4,8 +4,6 @@
 //@ ignore-compare-mode-next-solver (explicit revisions)
 //@[next] compile-flags: -Znext-solver
 
-#![feature(async_closure)]
-
 use std::future::Future;
 use std::any::Any;
 
diff --git a/tests/ui/async-await/async-closures/tainted-body-2.rs b/tests/ui/async-await/async-closures/tainted-body-2.rs
index 73c6bdc30a0..8314f7e7f96 100644
--- a/tests/ui/async-await/async-closures/tainted-body-2.rs
+++ b/tests/ui/async-await/async-closures/tainted-body-2.rs
@@ -1,7 +1,5 @@
 //@ edition: 2021
 
-#![feature(async_closure)]
-
 // Ensure that building a by-ref async closure body doesn't ICE when the parent
 // body is tainted.
 
diff --git a/tests/ui/async-await/async-closures/tainted-body-2.stderr b/tests/ui/async-await/async-closures/tainted-body-2.stderr
index 798d47064d9..cffd67b6361 100644
--- a/tests/ui/async-await/async-closures/tainted-body-2.stderr
+++ b/tests/ui/async-await/async-closures/tainted-body-2.stderr
@@ -1,5 +1,5 @@
 error[E0425]: cannot find value `missing` in this scope
-  --> $DIR/tainted-body-2.rs:9:5
+  --> $DIR/tainted-body-2.rs:7:5
    |
 LL |     missing;
    |     ^^^^^^^ not found in this scope
diff --git a/tests/ui/async-await/async-closures/tainted-body.rs b/tests/ui/async-await/async-closures/tainted-body.rs
index e42d9d6e36a..118c0887469 100644
--- a/tests/ui/async-await/async-closures/tainted-body.rs
+++ b/tests/ui/async-await/async-closures/tainted-body.rs
@@ -1,7 +1,5 @@
 //@ edition:2021
 
-#![feature(async_closure)]
-
 // Don't ICE in ByMove shim builder when MIR body is tainted by writeback errors
 
 fn main() {
diff --git a/tests/ui/async-await/async-closures/tainted-body.stderr b/tests/ui/async-await/async-closures/tainted-body.stderr
index b06a896b81f..617d87e9df2 100644
--- a/tests/ui/async-await/async-closures/tainted-body.stderr
+++ b/tests/ui/async-await/async-closures/tainted-body.stderr
@@ -1,5 +1,5 @@
 error[E0425]: cannot find function `used_fn` in this scope
-  --> $DIR/tainted-body.rs:9:9
+  --> $DIR/tainted-body.rs:7:9
    |
 LL |         used_fn();
    |         ^^^^^^^ not found in this scope
diff --git a/tests/ui/async-await/async-closures/truncated-fields-when-imm.rs b/tests/ui/async-await/async-closures/truncated-fields-when-imm.rs
index 5c718638d80..7d08cdb91e5 100644
--- a/tests/ui/async-await/async-closures/truncated-fields-when-imm.rs
+++ b/tests/ui/async-await/async-closures/truncated-fields-when-imm.rs
@@ -1,8 +1,6 @@
 //@ edition: 2021
 //@ check-pass
 
-#![feature(async_closure)]
-
 pub struct Struct {
     pub path: String,
 }
diff --git a/tests/ui/async-await/async-closures/validate-synthetic-body.rs b/tests/ui/async-await/async-closures/validate-synthetic-body.rs
index 67e683ac08a..3fd7382f7f9 100644
--- a/tests/ui/async-await/async-closures/validate-synthetic-body.rs
+++ b/tests/ui/async-await/async-closures/validate-synthetic-body.rs
@@ -1,8 +1,6 @@
 //@ check-pass
 //@ edition: 2021
 
-#![feature(async_closure)]
-
 // Make sure that we don't hit a query cycle when validating
 // the by-move coroutine body for an async closure.
 
diff --git a/tests/ui/async-await/async-closures/without-precise-captures-we-are-powerless.rs b/tests/ui/async-await/async-closures/without-precise-captures-we-are-powerless.rs
index 19f366cc903..19a31d1889b 100644
--- a/tests/ui/async-await/async-closures/without-precise-captures-we-are-powerless.rs
+++ b/tests/ui/async-await/async-closures/without-precise-captures-we-are-powerless.rs
@@ -4,8 +4,6 @@
 // sure that we don't ICE or anything, even if precise closure captures means
 // that we can't actually borrowck successfully.
 
-#![feature(async_closure)]
-
 fn outlives<'a>(_: impl Sized + 'a) {}
 
 async fn call_once(f: impl AsyncFnOnce()) {
diff --git a/tests/ui/async-await/async-closures/without-precise-captures-we-are-powerless.stderr b/tests/ui/async-await/async-closures/without-precise-captures-we-are-powerless.stderr
index a70aece2dea..be39dbf313b 100644
--- a/tests/ui/async-await/async-closures/without-precise-captures-we-are-powerless.stderr
+++ b/tests/ui/async-await/async-closures/without-precise-captures-we-are-powerless.stderr
@@ -1,5 +1,5 @@
 error[E0597]: `x` does not live long enough
-  --> $DIR/without-precise-captures-we-are-powerless.rs:16:13
+  --> $DIR/without-precise-captures-we-are-powerless.rs:14:13
    |
 LL | fn simple<'a>(x: &'a i32) {
    |           -- lifetime `'a` defined here
@@ -13,7 +13,7 @@ LL | }
    |  - `x` dropped here while still borrowed
 
 error[E0597]: `c` does not live long enough
-  --> $DIR/without-precise-captures-we-are-powerless.rs:21:20
+  --> $DIR/without-precise-captures-we-are-powerless.rs:19:20
    |
 LL | fn simple<'a>(x: &'a i32) {
    |           -- lifetime `'a` defined here
@@ -30,7 +30,7 @@ LL | }
    | - `c` dropped here while still borrowed
 
 error[E0597]: `x` does not live long enough
-  --> $DIR/without-precise-captures-we-are-powerless.rs:28:13
+  --> $DIR/without-precise-captures-we-are-powerless.rs:26:13
    |
 LL | fn through_field<'a>(x: S<'a>) {
    |                  -- lifetime `'a` defined here
@@ -44,7 +44,7 @@ LL | }
    |  - `x` dropped here while still borrowed
 
 error[E0505]: cannot move out of `x` because it is borrowed
-  --> $DIR/without-precise-captures-we-are-powerless.rs:32:13
+  --> $DIR/without-precise-captures-we-are-powerless.rs:30:13
    |
 LL | fn through_field<'a>(x: S<'a>) {
    |                  -- lifetime `'a` defined here
@@ -58,7 +58,7 @@ LL |     let c = async move || { println!("{}", *x.0); };
    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ move out of `x` occurs here
 
 error[E0597]: `c` does not live long enough
-  --> $DIR/without-precise-captures-we-are-powerless.rs:33:20
+  --> $DIR/without-precise-captures-we-are-powerless.rs:31:20
    |
 LL | fn through_field<'a>(x: S<'a>) {
    |                  -- lifetime `'a` defined here
@@ -75,7 +75,7 @@ LL | }
    | - `c` dropped here while still borrowed
 
 error[E0505]: cannot move out of `c` because it is borrowed
-  --> $DIR/without-precise-captures-we-are-powerless.rs:34:30
+  --> $DIR/without-precise-captures-we-are-powerless.rs:32:30
    |
 LL | fn through_field<'a>(x: S<'a>) {
    |                  -- lifetime `'a` defined here
@@ -91,7 +91,7 @@ LL |     outlives::<'a>(call_once(c));
    |                              ^ move out of `c` occurs here
 
 error[E0597]: `x` does not live long enough
-  --> $DIR/without-precise-captures-we-are-powerless.rs:38:13
+  --> $DIR/without-precise-captures-we-are-powerless.rs:36:13
    |
 LL | fn through_field_and_ref<'a>(x: &S<'a>) {
    |                          -- lifetime `'a` defined here
@@ -104,7 +104,7 @@ LL | }
    |  - `x` dropped here while still borrowed
 
 error[E0621]: explicit lifetime required in the type of `x`
-  --> $DIR/without-precise-captures-we-are-powerless.rs:40:20
+  --> $DIR/without-precise-captures-we-are-powerless.rs:38:20
    |
 LL | fn through_field_and_ref<'a>(x: &S<'a>) {
    |                                 ------ help: add explicit lifetime `'a` to the type of `x`: `&'a S<'a>`
@@ -113,7 +113,7 @@ LL |     outlives::<'a>(call_once(c));
    |                    ^^^^^^^^^^^^ lifetime `'a` required
 
 error[E0597]: `c` does not live long enough
-  --> $DIR/without-precise-captures-we-are-powerless.rs:45:20
+  --> $DIR/without-precise-captures-we-are-powerless.rs:43:20
    |
 LL | fn through_field_and_ref_move<'a>(x: &S<'a>) {
    |                               -- lifetime `'a` defined here
@@ -129,7 +129,7 @@ LL | }
    | - `c` dropped here while still borrowed
 
 error[E0621]: explicit lifetime required in the type of `x`
-  --> $DIR/without-precise-captures-we-are-powerless.rs:46:20
+  --> $DIR/without-precise-captures-we-are-powerless.rs:44:20
    |
 LL | fn through_field_and_ref_move<'a>(x: &S<'a>) {
    |                                      ------ help: add explicit lifetime `'a` to the type of `x`: `&'a S<'a>`
diff --git a/tests/ui/async-await/async-closures/wrong-fn-kind.rs b/tests/ui/async-await/async-closures/wrong-fn-kind.rs
index a566b8aa663..2aed6dc6d80 100644
--- a/tests/ui/async-await/async-closures/wrong-fn-kind.rs
+++ b/tests/ui/async-await/async-closures/wrong-fn-kind.rs
@@ -1,7 +1,5 @@
 //@ edition:2021
 
-#![feature(async_closure)]
-
 fn needs_async_fn(_: impl AsyncFn()) {}
 
 fn a() {
diff --git a/tests/ui/async-await/async-closures/wrong-fn-kind.stderr b/tests/ui/async-await/async-closures/wrong-fn-kind.stderr
index d03b10ca2cc..95f314214cc 100644
--- a/tests/ui/async-await/async-closures/wrong-fn-kind.stderr
+++ b/tests/ui/async-await/async-closures/wrong-fn-kind.stderr
@@ -1,5 +1,5 @@
 error[E0525]: expected a closure that implements the `AsyncFn` trait, but this closure only implements `AsyncFnOnce`
-  --> $DIR/wrong-fn-kind.rs:17:20
+  --> $DIR/wrong-fn-kind.rs:15:20
    |
 LL |       needs_async_fn(move || async move {
    |       -------------- -^^^^^^
@@ -14,13 +14,13 @@ LL | |     });
    | |_____- the requirement to implement `AsyncFn` derives from here
    |
 note: required by a bound in `needs_async_fn`
-  --> $DIR/wrong-fn-kind.rs:5:27
+  --> $DIR/wrong-fn-kind.rs:3:27
    |
 LL | fn needs_async_fn(_: impl AsyncFn()) {}
    |                           ^^^^^^^^^ required by this bound in `needs_async_fn`
 
 error[E0596]: cannot borrow `x` as mutable, as it is a captured variable in a `Fn` closure
-  --> $DIR/wrong-fn-kind.rs:9:20
+  --> $DIR/wrong-fn-kind.rs:7:20
    |
 LL | fn needs_async_fn(_: impl AsyncFn()) {}
    |                      -------------- change this to accept `FnMut` instead of `Fn`
diff --git a/tests/ui/async-await/async-drop.rs b/tests/ui/async-await/async-drop.rs
index d3884680e51..b1af81423ce 100644
--- a/tests/ui/async-await/async-drop.rs
+++ b/tests/ui/async-await/async-drop.rs
@@ -5,7 +5,7 @@
 // please consider modifying miri's async drop test at
 // `src/tools/miri/tests/pass/async-drop.rs`.
 
-#![feature(async_drop, impl_trait_in_assoc_type, async_closure)]
+#![feature(async_drop, impl_trait_in_assoc_type)]
 #![allow(incomplete_features, dead_code)]
 
 //@ edition: 2021
diff --git a/tests/ui/async-await/async-fn/auxiliary/block-on.rs b/tests/ui/async-await/async-fn/auxiliary/block-on.rs
index 8b50c5571c1..4ec45ddf333 100644
--- a/tests/ui/async-await/async-fn/auxiliary/block-on.rs
+++ b/tests/ui/async-await/async-fn/auxiliary/block-on.rs
@@ -1,7 +1,5 @@
 //@ edition: 2021
 
-#![feature(async_closure)]
-
 use std::future::Future;
 use std::pin::pin;
 use std::task::*;
diff --git a/tests/ui/async-await/async-fn/dyn-pos.rs b/tests/ui/async-await/async-fn/dyn-pos.rs
index 129ea282936..d71af1bd53e 100644
--- a/tests/ui/async-await/async-fn/dyn-pos.rs
+++ b/tests/ui/async-await/async-fn/dyn-pos.rs
@@ -1,7 +1,5 @@
 //@ edition:2018
 
-#![feature(async_closure)]
-
 fn foo(x: &dyn AsyncFn()) {}
 //~^ ERROR the trait `AsyncFnMut` cannot be made into an object
 
diff --git a/tests/ui/async-await/async-fn/dyn-pos.stderr b/tests/ui/async-await/async-fn/dyn-pos.stderr
index aaa8eb2634d..0c901846671 100644
--- a/tests/ui/async-await/async-fn/dyn-pos.stderr
+++ b/tests/ui/async-await/async-fn/dyn-pos.stderr
@@ -1,5 +1,5 @@
 error[E0038]: the trait `AsyncFnMut` cannot be made into an object
-  --> $DIR/dyn-pos.rs:5:16
+  --> $DIR/dyn-pos.rs:3:16
    |
 LL | fn foo(x: &dyn AsyncFn()) {}
    |                ^^^^^^^^^ `AsyncFnMut` cannot be made into an object
diff --git a/tests/ui/async-await/async-fn/edition-2015.rs b/tests/ui/async-await/async-fn/edition-2015.rs
index 7fc62a8dd93..341b9b10e67 100644
--- a/tests/ui/async-await/async-fn/edition-2015.rs
+++ b/tests/ui/async-await/async-fn/edition-2015.rs
@@ -3,7 +3,5 @@ fn foo(x: impl async Fn()) -> impl async Fn() { x }
 //~| ERROR `async` trait bounds are only allowed in Rust 2018 or later
 //~| ERROR `async` trait bounds are unstable
 //~| ERROR `async` trait bounds are unstable
-//~| ERROR use of unstable library feature `async_closure`
-//~| ERROR use of unstable library feature `async_closure`
 
 fn main() {}
diff --git a/tests/ui/async-await/async-fn/edition-2015.stderr b/tests/ui/async-await/async-fn/edition-2015.stderr
index 96fb4c9e979..ca9e64cd1bb 100644
--- a/tests/ui/async-await/async-fn/edition-2015.stderr
+++ b/tests/ui/async-await/async-fn/edition-2015.stderr
@@ -38,26 +38,6 @@ LL | fn foo(x: impl async Fn()) -> impl async Fn() { x }
    = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
    = help: use the desugared name of the async trait, such as `AsyncFn`
 
-error[E0658]: use of unstable library feature `async_closure`
-  --> $DIR/edition-2015.rs:1:42
-   |
-LL | fn foo(x: impl async Fn()) -> impl async Fn() { x }
-   |                                          ^^^^
-   |
-   = note: see issue #62290 <https://github.com/rust-lang/rust/issues/62290> for more information
-   = help: add `#![feature(async_closure)]` to the crate attributes to enable
-   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
-
-error[E0658]: use of unstable library feature `async_closure`
-  --> $DIR/edition-2015.rs:1:22
-   |
-LL | fn foo(x: impl async Fn()) -> impl async Fn() { x }
-   |                      ^^^^
-   |
-   = note: see issue #62290 <https://github.com/rust-lang/rust/issues/62290> for more information
-   = help: add `#![feature(async_closure)]` to the crate attributes to enable
-   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
-
-error: aborting due to 6 previous errors
+error: aborting due to 4 previous errors
 
 For more information about this error, try `rustc --explain E0658`.
diff --git a/tests/ui/async-await/async-fn/higher-ranked-async-fn.rs b/tests/ui/async-await/async-fn/higher-ranked-async-fn.rs
index 5d675921028..ac8e0d7c63e 100644
--- a/tests/ui/async-await/async-fn/higher-ranked-async-fn.rs
+++ b/tests/ui/async-await/async-fn/higher-ranked-async-fn.rs
@@ -5,8 +5,6 @@
 //@[next] compile-flags: -Znext-solver
 //@ build-pass (since it ICEs during mono)
 
-#![feature(async_closure)]
-
 extern crate block_on;
 
 use std::future::Future;
diff --git a/tests/ui/async-await/async-fn/impl-trait.rs b/tests/ui/async-await/async-fn/impl-trait.rs
index 11faf9ac983..f284de8981a 100644
--- a/tests/ui/async-await/async-fn/impl-trait.rs
+++ b/tests/ui/async-await/async-fn/impl-trait.rs
@@ -1,7 +1,7 @@
 //@ edition:2018
 //@ check-pass
 
-#![feature(async_closure, type_alias_impl_trait)]
+#![feature(type_alias_impl_trait)]
 
 type Tait = impl AsyncFn();
 fn tait() -> Tait {
diff --git a/tests/ui/async-await/async-fn/project.rs b/tests/ui/async-await/async-fn/project.rs
index b6068a916ae..8ee50724e4c 100644
--- a/tests/ui/async-await/async-fn/project.rs
+++ b/tests/ui/async-await/async-fn/project.rs
@@ -4,7 +4,7 @@
 //@[next] compile-flags: -Znext-solver
 //@ check-pass
 
-#![feature(async_closure, unboxed_closures, async_fn_traits)]
+#![feature(unboxed_closures, async_fn_traits)]
 
 use std::ops::AsyncFn;
 
diff --git a/tests/ui/async-await/async-fn/simple.rs b/tests/ui/async-await/async-fn/simple.rs
index 3f15b08560a..89b68e12435 100644
--- a/tests/ui/async-await/async-fn/simple.rs
+++ b/tests/ui/async-await/async-fn/simple.rs
@@ -2,8 +2,6 @@
 //@ edition: 2021
 //@ build-pass
 
-#![feature(async_closure)]
-
 extern crate block_on;
 
 use std::ops::AsyncFn;
diff --git a/tests/ui/async-await/async-fn/sugar.rs b/tests/ui/async-await/async-fn/sugar.rs
index 0225b666ac5..d00965ee647 100644
--- a/tests/ui/async-await/async-fn/sugar.rs
+++ b/tests/ui/async-await/async-fn/sugar.rs
@@ -1,7 +1,7 @@
 //@ edition: 2021
 //@ check-pass
 
-#![feature(async_closure, async_trait_bounds)]
+#![feature(async_trait_bounds)]
 
 async fn foo() {}
 
diff --git a/tests/ui/async-await/coroutine-desc.rs b/tests/ui/async-await/coroutine-desc.rs
index 9a61c9719db..9a581049107 100644
--- a/tests/ui/async-await/coroutine-desc.rs
+++ b/tests/ui/async-await/coroutine-desc.rs
@@ -1,5 +1,4 @@
 //@ edition:2018
-#![feature(async_closure)]
 use std::future::Future;
 
 async fn one() {}
diff --git a/tests/ui/async-await/coroutine-desc.stderr b/tests/ui/async-await/coroutine-desc.stderr
index 5434ff3d958..01482a9cb1f 100644
--- a/tests/ui/async-await/coroutine-desc.stderr
+++ b/tests/ui/async-await/coroutine-desc.stderr
@@ -1,5 +1,5 @@
 error[E0308]: mismatched types
-  --> $DIR/coroutine-desc.rs:10:19
+  --> $DIR/coroutine-desc.rs:9:19
    |
 LL |     fun(async {}, async {});
    |     --- --------  ^^^^^^^^ expected `async` block, found a different `async` block
@@ -8,12 +8,12 @@ LL |     fun(async {}, async {});
    |     |   expected all arguments to be this `async` block type because they need to match the type of this parameter
    |     arguments to this function are incorrect
    |
-   = note: expected `async` block `{async block@$DIR/coroutine-desc.rs:10:9: 10:14}`
-              found `async` block `{async block@$DIR/coroutine-desc.rs:10:19: 10:24}`
+   = note: expected `async` block `{async block@$DIR/coroutine-desc.rs:9:9: 9:14}`
+              found `async` block `{async block@$DIR/coroutine-desc.rs:9:19: 9:24}`
    = note: no two async blocks, even if identical, have the same type
    = help: consider pinning your async block and casting it to a trait object
 note: function defined here
-  --> $DIR/coroutine-desc.rs:8:4
+  --> $DIR/coroutine-desc.rs:7:4
    |
 LL | fn fun<F: Future<Output = ()>>(f1: F, f2: F) {}
    |    ^^^ -                       -----  ----- this parameter needs to match the `async` block type of `f1`
@@ -22,7 +22,7 @@ LL | fn fun<F: Future<Output = ()>>(f1: F, f2: F) {}
    |        `f1` and `f2` both reference this parameter `F`
 
 error[E0308]: mismatched types
-  --> $DIR/coroutine-desc.rs:12:16
+  --> $DIR/coroutine-desc.rs:11:16
    |
 LL |     fun(one(), two());
    |     --- -----  ^^^^^ expected future, found a different future
@@ -33,7 +33,7 @@ LL |     fun(one(), two());
    = help: consider `await`ing on both `Future`s
    = note: distinct uses of `impl Trait` result in different opaque types
 note: function defined here
-  --> $DIR/coroutine-desc.rs:8:4
+  --> $DIR/coroutine-desc.rs:7:4
    |
 LL | fn fun<F: Future<Output = ()>>(f1: F, f2: F) {}
    |    ^^^ -                       -----  ----- this parameter needs to match the future type of `f1`
@@ -42,7 +42,7 @@ LL | fn fun<F: Future<Output = ()>>(f1: F, f2: F) {}
    |        `f1` and `f2` both reference this parameter `F`
 
 error[E0308]: mismatched types
-  --> $DIR/coroutine-desc.rs:14:26
+  --> $DIR/coroutine-desc.rs:13:26
    |
 LL |     fun((async || {})(), (async || {})());
    |     --- ---------------  ^^^^^^^^^^^^^^^ expected `async` closure body, found a different `async` closure body
@@ -51,12 +51,12 @@ LL |     fun((async || {})(), (async || {})());
    |     |   expected all arguments to be this `async` closure body type because they need to match the type of this parameter
    |     arguments to this function are incorrect
    |
-   = note: expected `async` closure body `{async closure body@$DIR/coroutine-desc.rs:14:19: 14:21}`
-              found `async` closure body `{async closure body@$DIR/coroutine-desc.rs:14:36: 14:38}`
+   = note: expected `async` closure body `{async closure body@$DIR/coroutine-desc.rs:13:19: 13:21}`
+              found `async` closure body `{async closure body@$DIR/coroutine-desc.rs:13:36: 13:38}`
    = note: no two async blocks, even if identical, have the same type
    = help: consider pinning your async block and casting it to a trait object
 note: function defined here
-  --> $DIR/coroutine-desc.rs:8:4
+  --> $DIR/coroutine-desc.rs:7:4
    |
 LL | fn fun<F: Future<Output = ()>>(f1: F, f2: F) {}
    |    ^^^ -                       -----  ----- this parameter needs to match the `async` closure body type of `f1`
diff --git a/tests/ui/async-await/dyn/auxiliary/block-on.rs b/tests/ui/async-await/dyn/auxiliary/block-on.rs
new file mode 100644
index 00000000000..dcb710fc97c
--- /dev/null
+++ b/tests/ui/async-await/dyn/auxiliary/block-on.rs
@@ -0,0 +1,20 @@
+//@ edition: 2021
+
+#![feature(async_closure, noop_waker)]
+
+use std::future::Future;
+use std::pin::pin;
+use std::task::*;
+
+pub fn block_on<T>(fut: impl Future<Output = T>) -> T {
+    let mut fut = pin!(fut);
+    // Poll loop, just to test the future...
+    let ctx = &mut Context::from_waker(Waker::noop());
+
+    loop {
+        match unsafe { fut.as_mut().poll(ctx) } {
+            Poll::Pending => {}
+            Poll::Ready(t) => break t,
+        }
+    }
+}
diff --git a/tests/ui/async-await/dyn/mut-is-pointer-like.rs b/tests/ui/async-await/dyn/mut-is-pointer-like.rs
new file mode 100644
index 00000000000..93e8281164c
--- /dev/null
+++ b/tests/ui/async-await/dyn/mut-is-pointer-like.rs
@@ -0,0 +1,40 @@
+//@ aux-build:block-on.rs
+//@ edition: 2021
+//@ run-pass
+//@ check-run-results
+
+#![allow(refining_impl_trait)]
+#![feature(async_fn_in_dyn_trait)]
+//~^ WARN the feature `async_fn_in_dyn_trait` is incomplete
+
+extern crate block_on;
+
+use std::future::Future;
+use std::pin::Pin;
+
+trait AsyncTrait {
+    type Output;
+
+    async fn async_dispatch(self: Pin<&mut Self>) -> Self::Output;
+}
+
+impl<F> AsyncTrait for F
+where
+    F: Future,
+{
+    type Output = F::Output;
+
+    fn async_dispatch(self: Pin<&mut Self>) -> Pin<&mut Self> {
+        self
+    }
+}
+
+fn main() {
+    block_on::block_on(async {
+        let f = std::pin::pin!(async {
+            println!("hello, world");
+        });
+        let x: Pin<&mut dyn AsyncTrait<Output = ()>> = f;
+        x.async_dispatch().await;
+    });
+}
diff --git a/tests/ui/async-await/dyn/mut-is-pointer-like.run.stdout b/tests/ui/async-await/dyn/mut-is-pointer-like.run.stdout
new file mode 100644
index 00000000000..4b5fa63702d
--- /dev/null
+++ b/tests/ui/async-await/dyn/mut-is-pointer-like.run.stdout
@@ -0,0 +1 @@
+hello, world
diff --git a/tests/ui/async-await/dyn/mut-is-pointer-like.stderr b/tests/ui/async-await/dyn/mut-is-pointer-like.stderr
new file mode 100644
index 00000000000..7c72ce43cf0
--- /dev/null
+++ b/tests/ui/async-await/dyn/mut-is-pointer-like.stderr
@@ -0,0 +1,11 @@
+warning: the feature `async_fn_in_dyn_trait` is incomplete and may not be safe to use and/or cause compiler crashes
+  --> $DIR/mut-is-pointer-like.rs:7:12
+   |
+LL | #![feature(async_fn_in_dyn_trait)]
+   |            ^^^^^^^^^^^^^^^^^^^^^
+   |
+   = note: see issue #133119 <https://github.com/rust-lang/rust/issues/133119> for more information
+   = note: `#[warn(incomplete_features)]` on by default
+
+warning: 1 warning emitted
+
diff --git a/tests/ui/async-await/dyn/works.rs b/tests/ui/async-await/dyn/works.rs
new file mode 100644
index 00000000000..0732a3ee2f2
--- /dev/null
+++ b/tests/ui/async-await/dyn/works.rs
@@ -0,0 +1,32 @@
+//@ aux-build:block-on.rs
+//@ edition: 2021
+//@ run-pass
+//@ check-run-results
+
+#![allow(refining_impl_trait)]
+#![feature(async_fn_in_dyn_trait)]
+//~^ WARN the feature `async_fn_in_dyn_trait` is incomplete
+
+extern crate block_on;
+
+use std::pin::Pin;
+use std::future::Future;
+
+trait AsyncTrait {
+    async fn async_dispatch(&self);
+}
+
+impl AsyncTrait for &'static str {
+    fn async_dispatch(&self) -> Pin<Box<impl Future<Output = ()>>> {
+        Box::pin(async move {
+            println!("message from the aether: {self}");
+        })
+    }
+}
+
+fn main() {
+    block_on::block_on(async {
+        let x: &dyn AsyncTrait = &"hello, world!";
+        x.async_dispatch().await;
+    });
+}
diff --git a/tests/ui/async-await/dyn/works.run.stdout b/tests/ui/async-await/dyn/works.run.stdout
new file mode 100644
index 00000000000..7b45a504e60
--- /dev/null
+++ b/tests/ui/async-await/dyn/works.run.stdout
@@ -0,0 +1 @@
+message from the aether: hello, world!
diff --git a/tests/ui/async-await/dyn/works.stderr b/tests/ui/async-await/dyn/works.stderr
new file mode 100644
index 00000000000..2c7db7c32f5
--- /dev/null
+++ b/tests/ui/async-await/dyn/works.stderr
@@ -0,0 +1,11 @@
+warning: the feature `async_fn_in_dyn_trait` is incomplete and may not be safe to use and/or cause compiler crashes
+  --> $DIR/works.rs:7:12
+   |
+LL | #![feature(async_fn_in_dyn_trait)]
+   |            ^^^^^^^^^^^^^^^^^^^^^
+   |
+   = note: see issue #133119 <https://github.com/rust-lang/rust/issues/133119> for more information
+   = note: `#[warn(incomplete_features)]` on by default
+
+warning: 1 warning emitted
+
diff --git a/tests/ui/async-await/dyn/wrong-size.rs b/tests/ui/async-await/dyn/wrong-size.rs
new file mode 100644
index 00000000000..ac15dd26067
--- /dev/null
+++ b/tests/ui/async-await/dyn/wrong-size.rs
@@ -0,0 +1,23 @@
+//@ edition: 2021
+
+#![feature(async_fn_in_dyn_trait)]
+//~^ WARN the feature `async_fn_in_dyn_trait` is incomplete
+
+use std::future::Future;
+
+trait AsyncTrait {
+    async fn async_dispatch(&self);
+}
+
+impl AsyncTrait for &'static str {
+    fn async_dispatch(&self) -> impl Future<Output = ()> {
+        async move {
+            // The implementor must box the future...
+        }
+    }
+}
+
+fn main() {
+    let x: &dyn AsyncTrait = &"hello, world!";
+    //~^ ERROR `impl Future<Output = ()>` needs to have the same ABI as a pointer
+}
diff --git a/tests/ui/async-await/dyn/wrong-size.stderr b/tests/ui/async-await/dyn/wrong-size.stderr
new file mode 100644
index 00000000000..0202b5f2409
--- /dev/null
+++ b/tests/ui/async-await/dyn/wrong-size.stderr
@@ -0,0 +1,21 @@
+warning: the feature `async_fn_in_dyn_trait` is incomplete and may not be safe to use and/or cause compiler crashes
+  --> $DIR/wrong-size.rs:3:12
+   |
+LL | #![feature(async_fn_in_dyn_trait)]
+   |            ^^^^^^^^^^^^^^^^^^^^^
+   |
+   = note: see issue #133119 <https://github.com/rust-lang/rust/issues/133119> for more information
+   = note: `#[warn(incomplete_features)]` on by default
+
+error[E0277]: `impl Future<Output = ()>` needs to have the same ABI as a pointer
+  --> $DIR/wrong-size.rs:21:30
+   |
+LL |     let x: &dyn AsyncTrait = &"hello, world!";
+   |                              ^^^^^^^^^^^^^^^^ `impl Future<Output = ()>` needs to be a pointer-like type
+   |
+   = help: the trait `for<'a> PointerLike` is not implemented for `impl Future<Output = ()>`
+   = note: required for the cast from `&&'static str` to `&dyn AsyncTrait`
+
+error: aborting due to 1 previous error; 1 warning emitted
+
+For more information about this error, try `rustc --explain E0277`.
diff --git a/tests/ui/async-await/feature-async-closure.rs b/tests/ui/async-await/feature-async-closure.rs
deleted file mode 100644
index 15108aa5a33..00000000000
--- a/tests/ui/async-await/feature-async-closure.rs
+++ /dev/null
@@ -1,8 +0,0 @@
-//@ edition:2018
-// gate-test-async_closure
-
-fn f() {
-    let _ = async || {}; //~ ERROR async closures are unstable
-}
-
-fn main() {}
diff --git a/tests/ui/async-await/feature-async-closure.stderr b/tests/ui/async-await/feature-async-closure.stderr
deleted file mode 100644
index 650500b4890..00000000000
--- a/tests/ui/async-await/feature-async-closure.stderr
+++ /dev/null
@@ -1,14 +0,0 @@
-error[E0658]: async closures are unstable
-  --> $DIR/feature-async-closure.rs:5:13
-   |
-LL |     let _ = async || {};
-   |             ^^^^^
-   |
-   = note: see issue #62290 <https://github.com/rust-lang/rust/issues/62290> for more information
-   = help: add `#![feature(async_closure)]` to the crate attributes to enable
-   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
-   = help: to use an async block, remove the `||`: `async {`
-
-error: aborting due to 1 previous error
-
-For more information about this error, try `rustc --explain E0658`.
diff --git a/tests/ui/async-await/inference_var_self_argument.stderr b/tests/ui/async-await/inference_var_self_argument.stderr
index 7b7b3dbc757..a33c5f7b07d 100644
--- a/tests/ui/async-await/inference_var_self_argument.stderr
+++ b/tests/ui/async-await/inference_var_self_argument.stderr
@@ -4,8 +4,8 @@ error[E0307]: invalid `self` parameter type: `&dyn Foo`
 LL |     async fn foo(self: &dyn Foo) {
    |                        ^^^^^^^^
    |
-   = note: type of `self` must be `Self` or a type that dereferences to it
-   = help: consider changing to `self`, `&self`, `&mut self`, `self: Box<Self>`, `self: Rc<Self>`, `self: Arc<Self>`, or `self: Pin<P>` (where P is one of the previous types except `Self`)
+   = note: type of `self` must be `Self` or some type implementing `Receiver`
+   = help: consider changing to `self`, `&self`, `&mut self`, or a type implementing `Receiver` such as `self: Box<Self>`, `self: Rc<Self>`, or `self: Arc<Self>`
 
 error[E0038]: the trait `Foo` cannot be made into an object
   --> $DIR/inference_var_self_argument.rs:5:5
diff --git a/tests/ui/async-await/issue-66312.stderr b/tests/ui/async-await/issue-66312.stderr
index c95ae1147df..f4db949a5f4 100644
--- a/tests/ui/async-await/issue-66312.stderr
+++ b/tests/ui/async-await/issue-66312.stderr
@@ -4,8 +4,8 @@ error[E0307]: invalid `self` parameter type: `T`
 LL |     fn is_some(self: T);
    |                      ^
    |
-   = note: type of `self` must be `Self` or a type that dereferences to it
-   = help: consider changing to `self`, `&self`, `&mut self`, `self: Box<Self>`, `self: Rc<Self>`, `self: Arc<Self>`, or `self: Pin<P>` (where P is one of the previous types except `Self`)
+   = note: type of `self` must be `Self` or some type implementing `Receiver`
+   = help: consider changing to `self`, `&self`, `&mut self`, or a type implementing `Receiver` such as `self: Box<Self>`, `self: Rc<Self>`, or `self: Arc<Self>`
 
 error[E0308]: mismatched types
   --> $DIR/issue-66312.rs:9:8
diff --git a/tests/ui/async-await/issue-74072-lifetime-name-annotations.rs b/tests/ui/async-await/issue-74072-lifetime-name-annotations.rs
index 58509642b10..f6c9fdd6d68 100644
--- a/tests/ui/async-await/issue-74072-lifetime-name-annotations.rs
+++ b/tests/ui/async-await/issue-74072-lifetime-name-annotations.rs
@@ -1,5 +1,4 @@
 //@ edition:2018
-#![feature(async_closure)]
 use std::future::Future;
 
 // test the quality of annotations giving lifetimes names (`'1`) when async constructs are involved
diff --git a/tests/ui/async-await/issue-74072-lifetime-name-annotations.stderr b/tests/ui/async-await/issue-74072-lifetime-name-annotations.stderr
index 9d963686dea..e1f268116fc 100644
--- a/tests/ui/async-await/issue-74072-lifetime-name-annotations.stderr
+++ b/tests/ui/async-await/issue-74072-lifetime-name-annotations.stderr
@@ -1,5 +1,5 @@
 error[E0506]: cannot assign to `*x` because it is borrowed
-  --> $DIR/issue-74072-lifetime-name-annotations.rs:9:5
+  --> $DIR/issue-74072-lifetime-name-annotations.rs:8:5
    |
 LL | pub async fn async_fn(x: &mut i32) -> &i32 {
    |                          - let's call the lifetime of this reference `'1`
@@ -11,7 +11,7 @@ LL |     y
    |     - returning this value requires that `*x` is borrowed for `'1`
 
 error[E0506]: cannot assign to `*x` because it is borrowed
-  --> $DIR/issue-74072-lifetime-name-annotations.rs:18:9
+  --> $DIR/issue-74072-lifetime-name-annotations.rs:17:9
    |
 LL |     (async move || {
    |                  - return type of async closure is &'1 i32
@@ -24,12 +24,12 @@ LL |         y
    |         - returning this value requires that `*x` is borrowed for `'1`
 
 error: lifetime may not live long enough
-  --> $DIR/issue-74072-lifetime-name-annotations.rs:14:20
+  --> $DIR/issue-74072-lifetime-name-annotations.rs:13:20
    |
 LL |       (async move || {
    |  ______-------------_^
    | |      |           |
-   | |      |           return type of async closure `{async closure body@$DIR/issue-74072-lifetime-name-annotations.rs:14:20: 20:6}` contains a lifetime `'2`
+   | |      |           return type of async closure `{async closure body@$DIR/issue-74072-lifetime-name-annotations.rs:13:20: 19:6}` contains a lifetime `'2`
    | |      lifetime `'1` represents this closure's body
 LL | |
 LL | |
@@ -42,7 +42,7 @@ LL | |     })()
    = note: closure implements `FnMut`, so references to captured variables can't escape the closure
 
 error[E0716]: temporary value dropped while borrowed
-  --> $DIR/issue-74072-lifetime-name-annotations.rs:14:5
+  --> $DIR/issue-74072-lifetime-name-annotations.rs:13:5
    |
 LL |    pub fn async_closure(x: &mut i32) -> impl Future<Output=&i32> {
    |                            - let's call the lifetime of this reference `'1`
@@ -60,7 +60,7 @@ LL |    }
    |    - temporary value is freed at the end of this statement
 
 error[E0506]: cannot assign to `*x` because it is borrowed
-  --> $DIR/issue-74072-lifetime-name-annotations.rs:28:9
+  --> $DIR/issue-74072-lifetime-name-annotations.rs:27:9
    |
 LL |     (async move || -> &i32 {
    |                          - return type of async closure is &'1 i32
@@ -73,12 +73,12 @@ LL |         y
    |         - returning this value requires that `*x` is borrowed for `'1`
 
 error: lifetime may not live long enough
-  --> $DIR/issue-74072-lifetime-name-annotations.rs:24:28
+  --> $DIR/issue-74072-lifetime-name-annotations.rs:23:28
    |
 LL |       (async move || -> &i32 {
    |  ______---------------------_^
    | |      |                |
-   | |      |                return type of async closure `{async closure body@$DIR/issue-74072-lifetime-name-annotations.rs:24:28: 30:6}` contains a lifetime `'2`
+   | |      |                return type of async closure `{async closure body@$DIR/issue-74072-lifetime-name-annotations.rs:23:28: 29:6}` contains a lifetime `'2`
    | |      lifetime `'1` represents this closure's body
 LL | |
 LL | |
@@ -91,7 +91,7 @@ LL | |     })()
    = note: closure implements `FnMut`, so references to captured variables can't escape the closure
 
 error[E0716]: temporary value dropped while borrowed
-  --> $DIR/issue-74072-lifetime-name-annotations.rs:24:5
+  --> $DIR/issue-74072-lifetime-name-annotations.rs:23:5
    |
 LL |    pub fn async_closure_explicit_return_type(x: &mut i32) -> impl Future<Output=&i32> {
    |                                                 - let's call the lifetime of this reference `'1`
@@ -109,7 +109,7 @@ LL |    }
    |    - temporary value is freed at the end of this statement
 
 error[E0506]: cannot assign to `*x` because it is borrowed
-  --> $DIR/issue-74072-lifetime-name-annotations.rs:36:9
+  --> $DIR/issue-74072-lifetime-name-annotations.rs:35:9
    |
 LL |     async move {
    |              - return type of async block is &'1 i32
diff --git a/tests/ui/async-await/issues/issue-62009-2.rs b/tests/ui/async-await/issues/issue-62009-2.rs
index f7cba29a747..b660d8a206c 100644
--- a/tests/ui/async-await/issues/issue-62009-2.rs
+++ b/tests/ui/async-await/issues/issue-62009-2.rs
@@ -1,7 +1,5 @@
 //@ edition:2018
 
-#![feature(async_closure)]
-
 async fn print_dur() {}
 
 fn main() {
diff --git a/tests/ui/async-await/issues/issue-62009-2.stderr b/tests/ui/async-await/issues/issue-62009-2.stderr
index 0004f99f901..9377a02612b 100644
--- a/tests/ui/async-await/issues/issue-62009-2.stderr
+++ b/tests/ui/async-await/issues/issue-62009-2.stderr
@@ -1,5 +1,5 @@
 error[E0728]: `await` is only allowed inside `async` functions and blocks
-  --> $DIR/issue-62009-2.rs:8:23
+  --> $DIR/issue-62009-2.rs:6:23
    |
 LL | fn main() {
    | --------- this is not `async`
diff --git a/tests/ui/async-await/no-params-non-move-async-closure.rs b/tests/ui/async-await/no-params-non-move-async-closure.rs
index e9e43b3484a..48651396d25 100644
--- a/tests/ui/async-await/no-params-non-move-async-closure.rs
+++ b/tests/ui/async-await/no-params-non-move-async-closure.rs
@@ -1,8 +1,6 @@
 //@ edition:2018
 //@ check-pass
 
-#![feature(async_closure)]
-
 fn main() {
     let _ = async |x: u8| {};
 }
diff --git a/tests/ui/async-await/suggest-missing-await-closure.fixed b/tests/ui/async-await/suggest-missing-await-closure.fixed
index 1ec3456a265..9ab16d34175 100644
--- a/tests/ui/async-await/suggest-missing-await-closure.fixed
+++ b/tests/ui/async-await/suggest-missing-await-closure.fixed
@@ -1,8 +1,6 @@
 //@ edition:2018
 //@ run-rustfix
 
-#![feature(async_closure)]
-
 fn take_u32(_x: u32) {}
 
 async fn make_u32() -> u32 {
diff --git a/tests/ui/async-await/suggest-missing-await-closure.rs b/tests/ui/async-await/suggest-missing-await-closure.rs
index 3a448ad411b..172132fda33 100644
--- a/tests/ui/async-await/suggest-missing-await-closure.rs
+++ b/tests/ui/async-await/suggest-missing-await-closure.rs
@@ -1,8 +1,6 @@
 //@ edition:2018
 //@ run-rustfix
 
-#![feature(async_closure)]
-
 fn take_u32(_x: u32) {}
 
 async fn make_u32() -> u32 {
diff --git a/tests/ui/async-await/suggest-missing-await-closure.stderr b/tests/ui/async-await/suggest-missing-await-closure.stderr
index 47af270a03a..002c2024f21 100644
--- a/tests/ui/async-await/suggest-missing-await-closure.stderr
+++ b/tests/ui/async-await/suggest-missing-await-closure.stderr
@@ -1,5 +1,5 @@
 error[E0308]: mismatched types
-  --> $DIR/suggest-missing-await-closure.rs:16:18
+  --> $DIR/suggest-missing-await-closure.rs:14:18
    |
 LL |         take_u32(x)
    |         -------- ^ expected `u32`, found future
@@ -7,12 +7,12 @@ LL |         take_u32(x)
    |         arguments to this function are incorrect
    |
 note: calling an async function returns a future
-  --> $DIR/suggest-missing-await-closure.rs:16:18
+  --> $DIR/suggest-missing-await-closure.rs:14:18
    |
 LL |         take_u32(x)
    |                  ^
 note: function defined here
-  --> $DIR/suggest-missing-await-closure.rs:6:4
+  --> $DIR/suggest-missing-await-closure.rs:4:4
    |
 LL | fn take_u32(_x: u32) {}
    |    ^^^^^^^^ -------
diff --git a/tests/ui/async-await/track-caller/async-closure-gate.rs b/tests/ui/async-await/track-caller/async-closure-gate.rs
index 4b88255bc36..e72ce2afa45 100644
--- a/tests/ui/async-await/track-caller/async-closure-gate.rs
+++ b/tests/ui/async-await/track-caller/async-closure-gate.rs
@@ -1,7 +1,7 @@
 //@ edition:2021
 //@ revisions: afn nofeat
 
-#![feature(async_closure, stmt_expr_attributes)]
+#![feature(stmt_expr_attributes)]
 #![cfg_attr(afn, feature(async_fn_track_caller))]
 
 fn main() {
diff --git a/tests/ui/async-await/track-caller/panic-track-caller.rs b/tests/ui/async-await/track-caller/panic-track-caller.rs
index c693a446eed..bd12bf11d6c 100644
--- a/tests/ui/async-await/track-caller/panic-track-caller.rs
+++ b/tests/ui/async-await/track-caller/panic-track-caller.rs
@@ -3,7 +3,7 @@
 //@ revisions: afn cls nofeat
 //@ needs-unwind
 // gate-test-async_fn_track_caller
-#![feature(async_closure, stmt_expr_attributes)]
+#![feature(stmt_expr_attributes)]
 #![cfg_attr(afn, feature(async_fn_track_caller))]
 #![cfg_attr(cls, feature(closure_track_caller))]
 #![allow(unused)]
diff --git a/tests/ui/async-await/try-on-option-in-async.rs b/tests/ui/async-await/try-on-option-in-async.rs
index fda848141d3..4822197bf39 100644
--- a/tests/ui/async-await/try-on-option-in-async.rs
+++ b/tests/ui/async-await/try-on-option-in-async.rs
@@ -1,4 +1,3 @@
-#![feature(async_closure)]
 //@ edition:2018
 fn main() {}
 
diff --git a/tests/ui/async-await/try-on-option-in-async.stderr b/tests/ui/async-await/try-on-option-in-async.stderr
index 65f63093728..9e0bb42a697 100644
--- a/tests/ui/async-await/try-on-option-in-async.stderr
+++ b/tests/ui/async-await/try-on-option-in-async.stderr
@@ -1,5 +1,5 @@
 error[E0277]: the `?` operator can only be used in an async block that returns `Result` or `Option` (or another type that implements `FromResidual`)
-  --> $DIR/try-on-option-in-async.rs:8:10
+  --> $DIR/try-on-option-in-async.rs:7:10
    |
 LL |     async {
    |     ----- this function should return `Result` or `Option` to accept `?`
@@ -10,7 +10,7 @@ LL |         x?;
    = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `{integer}`
 
 error[E0277]: the `?` operator can only be used in an async closure that returns `Result` or `Option` (or another type that implements `FromResidual`)
-  --> $DIR/try-on-option-in-async.rs:17:10
+  --> $DIR/try-on-option-in-async.rs:16:10
    |
 LL |       let async_closure = async || {
    |  __________________________________-
@@ -24,7 +24,7 @@ LL | |     };
    = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `u32`
 
 error[E0277]: the `?` operator can only be used in an async function that returns `Result` or `Option` (or another type that implements `FromResidual`)
-  --> $DIR/try-on-option-in-async.rs:26:6
+  --> $DIR/try-on-option-in-async.rs:25:6
    |
 LL |   async fn an_async_function() -> u32 {
    |  _____________________________________-
diff --git a/tests/ui/attributes/mixed_export_name_and_no_mangle.fixed b/tests/ui/attributes/mixed_export_name_and_no_mangle.fixed
new file mode 100644
index 00000000000..7224d4289e3
--- /dev/null
+++ b/tests/ui/attributes/mixed_export_name_and_no_mangle.fixed
@@ -0,0 +1,14 @@
+// issue: rust-lang/rust#47446
+//@ run-rustfix
+//@ check-pass
+
+#![warn(unused_attributes)]
+//~^ WARN `#[no_mangle]` attribute may not be used in combination with `#[export_name]` [unused_attributes]
+#[export_name = "foo"]
+pub fn bar() {}
+
+//~^ WARN `#[unsafe(no_mangle)]` attribute may not be used in combination with `#[export_name]` [unused_attributes]
+#[export_name = "baz"]
+pub fn bak() {}
+
+fn main() {}
diff --git a/tests/ui/attributes/mixed_export_name_and_no_mangle.rs b/tests/ui/attributes/mixed_export_name_and_no_mangle.rs
new file mode 100644
index 00000000000..149a7904e1e
--- /dev/null
+++ b/tests/ui/attributes/mixed_export_name_and_no_mangle.rs
@@ -0,0 +1,16 @@
+// issue: rust-lang/rust#47446
+//@ run-rustfix
+//@ check-pass
+
+#![warn(unused_attributes)]
+#[no_mangle]
+//~^ WARN `#[no_mangle]` attribute may not be used in combination with `#[export_name]` [unused_attributes]
+#[export_name = "foo"]
+pub fn bar() {}
+
+#[unsafe(no_mangle)]
+//~^ WARN `#[unsafe(no_mangle)]` attribute may not be used in combination with `#[export_name]` [unused_attributes]
+#[export_name = "baz"]
+pub fn bak() {}
+
+fn main() {}
diff --git a/tests/ui/attributes/mixed_export_name_and_no_mangle.stderr b/tests/ui/attributes/mixed_export_name_and_no_mangle.stderr
new file mode 100644
index 00000000000..ba63127ba2d
--- /dev/null
+++ b/tests/ui/attributes/mixed_export_name_and_no_mangle.stderr
@@ -0,0 +1,39 @@
+warning: `#[no_mangle]` attribute may not be used in combination with `#[export_name]`
+  --> $DIR/mixed_export_name_and_no_mangle.rs:6:1
+   |
+LL | #[no_mangle]
+   | ^^^^^^^^^^^^ `#[no_mangle]` is ignored
+   |
+note: `#[export_name]` takes precedence
+  --> $DIR/mixed_export_name_and_no_mangle.rs:8:1
+   |
+LL | #[export_name = "foo"]
+   | ^^^^^^^^^^^^^^^^^^^^^^
+note: the lint level is defined here
+  --> $DIR/mixed_export_name_and_no_mangle.rs:5:9
+   |
+LL | #![warn(unused_attributes)]
+   |         ^^^^^^^^^^^^^^^^^
+help: remove the `#[no_mangle]` attribute
+   |
+LL - #[no_mangle]
+   |
+
+warning: `#[unsafe(no_mangle)]` attribute may not be used in combination with `#[export_name]`
+  --> $DIR/mixed_export_name_and_no_mangle.rs:11:1
+   |
+LL | #[unsafe(no_mangle)]
+   | ^^^^^^^^^^^^^^^^^^^^ `#[unsafe(no_mangle)]` is ignored
+   |
+note: `#[export_name]` takes precedence
+  --> $DIR/mixed_export_name_and_no_mangle.rs:13:1
+   |
+LL | #[export_name = "baz"]
+   | ^^^^^^^^^^^^^^^^^^^^^^
+help: remove the `#[unsafe(no_mangle)]` attribute
+   |
+LL - #[unsafe(no_mangle)]
+   |
+
+warning: 2 warnings emitted
+
diff --git a/tests/ui/check-cfg/target_feature.stderr b/tests/ui/check-cfg/target_feature.stderr
index 2674a97a551..e2ceb669482 100644
--- a/tests/ui/check-cfg/target_feature.stderr
+++ b/tests/ui/check-cfg/target_feature.stderr
@@ -98,6 +98,7 @@ LL |     cfg!(target_feature = "_UNEXPECTED_VALUE");
 `fp8dot2`
 `fp8dot4`
 `fp8fma`
+`fpregs`
 `fpuv2_df`
 `fpuv2_sf`
 `fpuv3_df`
@@ -153,6 +154,7 @@ LL |     cfg!(target_feature = "_UNEXPECTED_VALUE");
 `popcnt`
 `power10-vector`
 `power8-altivec`
+`power8-crypto`
 `power8-vector`
 `power9-altivec`
 `power9-vector`
@@ -260,6 +262,7 @@ LL |     cfg!(target_feature = "_UNEXPECTED_VALUE");
 `vsx`
 `wfxt`
 `wide-arithmetic`
+`x87`
 `xop`
 `xsave`
 `xsavec`
diff --git a/tests/ui/closures/binder/async-closure-with-binder.rs b/tests/ui/closures/binder/async-closure-with-binder.rs
index 24f4e8e4175..8f84f3074cd 100644
--- a/tests/ui/closures/binder/async-closure-with-binder.rs
+++ b/tests/ui/closures/binder/async-closure-with-binder.rs
@@ -2,7 +2,6 @@
 //@ check-pass
 
 #![feature(closure_lifetime_binder)]
-#![feature(async_closure)]
 
 fn main() {
     for<'a> async || -> () {};
diff --git a/tests/ui/closures/local-type-mix.rs b/tests/ui/closures/local-type-mix.rs
index 823ceb211a3..edcdac2a611 100644
--- a/tests/ui/closures/local-type-mix.rs
+++ b/tests/ui/closures/local-type-mix.rs
@@ -1,8 +1,6 @@
 // Check that using the parameter name in its type does not ICE.
 //@ edition:2018
 
-#![feature(async_closure)]
-
 fn main() {
     let _ = |x: x| x; //~ ERROR expected type
     let _ = |x: bool| -> x { x }; //~ ERROR expected type
diff --git a/tests/ui/closures/local-type-mix.stderr b/tests/ui/closures/local-type-mix.stderr
index 68c320a065d..f3b6a73afd5 100644
--- a/tests/ui/closures/local-type-mix.stderr
+++ b/tests/ui/closures/local-type-mix.stderr
@@ -1,47 +1,47 @@
 error[E0573]: expected type, found local variable `x`
-  --> $DIR/local-type-mix.rs:7:17
+  --> $DIR/local-type-mix.rs:5:17
    |
 LL |     let _ = |x: x| x;
    |                 ^ not a type
 
 error[E0573]: expected type, found local variable `x`
-  --> $DIR/local-type-mix.rs:8:26
+  --> $DIR/local-type-mix.rs:6:26
    |
 LL |     let _ = |x: bool| -> x { x };
    |                          ^ not a type
 
 error[E0573]: expected type, found local variable `x`
-  --> $DIR/local-type-mix.rs:9:28
+  --> $DIR/local-type-mix.rs:7:28
    |
 LL |     let _ = async move |x: x| x;
    |                            ^ not a type
 
 error[E0573]: expected type, found local variable `x`
-  --> $DIR/local-type-mix.rs:10:37
+  --> $DIR/local-type-mix.rs:8:37
    |
 LL |     let _ = async move |x: bool| -> x { x };
    |                                     ^ not a type
 
 error[E0573]: expected type, found local variable `x`
-  --> $DIR/local-type-mix.rs:13:11
+  --> $DIR/local-type-mix.rs:11:11
    |
 LL | fn foo(x: x) {}
    |           ^ not a type
 
 error[E0573]: expected type, found local variable `x`
-  --> $DIR/local-type-mix.rs:14:24
+  --> $DIR/local-type-mix.rs:12:24
    |
 LL | fn foo_ret(x: bool) -> x {}
    |                        ^ not a type
 
 error[E0573]: expected type, found local variable `x`
-  --> $DIR/local-type-mix.rs:16:23
+  --> $DIR/local-type-mix.rs:14:23
    |
 LL | async fn async_foo(x: x) {}
    |                       ^ not a type
 
 error[E0573]: expected type, found local variable `x`
-  --> $DIR/local-type-mix.rs:17:36
+  --> $DIR/local-type-mix.rs:15:36
    |
 LL | async fn async_foo_ret(x: bool) -> x {}
    |                                    ^ not a type
diff --git a/tests/ui/codegen/alias-uninit-value.rs b/tests/ui/codegen/alias-uninit-value.rs
new file mode 100644
index 00000000000..a8aa94caaf2
--- /dev/null
+++ b/tests/ui/codegen/alias-uninit-value.rs
@@ -0,0 +1,26 @@
+//! Regression test for issue #374, where previously rustc performed conditional jumps or moves that
+//! incorrectly depended on uninitialized values.
+//!
+//! Issue: <https://github.com/rust-lang/rust/issues/374>.
+
+//@ run-pass
+
+#![allow(dead_code)]
+
+enum TyS {
+    Nil,
+}
+
+struct RawT {
+    struct_: TyS,
+    cname: Option<String>,
+    hash: usize,
+}
+
+fn mk_raw_ty(st: TyS, cname: Option<String>) -> RawT {
+    return RawT { struct_: st, cname: cname, hash: 0 };
+}
+
+pub fn main() {
+    mk_raw_ty(TyS::Nil, None::<String>);
+}
diff --git a/tests/ui/const-generics/generic_const_exprs/unevaluated-const-ice-119731.stderr b/tests/ui/const-generics/generic_const_exprs/unevaluated-const-ice-119731.stderr
index 4eb374b2020..30a45ce377e 100644
--- a/tests/ui/const-generics/generic_const_exprs/unevaluated-const-ice-119731.stderr
+++ b/tests/ui/const-generics/generic_const_exprs/unevaluated-const-ice-119731.stderr
@@ -72,20 +72,6 @@ help: add `#![feature(adt_const_params)]` to the crate attributes to enable more
 LL + #![feature(adt_const_params)]
    |
 
-note: erroneous constant encountered
-  --> $DIR/unevaluated-const-ice-119731.rs:22:19
-   |
-LL |     impl v17<512, v0> {
-   |                   ^^
-
-note: erroneous constant encountered
-  --> $DIR/unevaluated-const-ice-119731.rs:22:19
-   |
-LL |     impl v17<512, v0> {
-   |                   ^^
-   |
-   = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
-
 error: maximum number of nodes exceeded in constant v20::v17::<v10, v2>::{constant#0}
   --> $DIR/unevaluated-const-ice-119731.rs:28:37
    |
diff --git a/tests/ui/consts/const-integer-bool-ops.stderr b/tests/ui/consts/const-integer-bool-ops.stderr
index d58a8e93ff6..4e503e5a5c0 100644
--- a/tests/ui/consts/const-integer-bool-ops.stderr
+++ b/tests/ui/consts/const-integer-bool-ops.stderr
@@ -16,12 +16,6 @@ error[E0308]: mismatched types
 LL | const X: usize = 42 && 39;
    |                  ^^^^^^^^ expected `usize`, found `bool`
 
-note: erroneous constant encountered
-  --> $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:10:19
    |
@@ -40,12 +34,6 @@ error[E0308]: mismatched types
 LL | const X1: usize = 42 || 39;
    |                   ^^^^^^^^ expected `usize`, found `bool`
 
-note: erroneous constant encountered
-  --> $DIR/const-integer-bool-ops.rs:17:19
-   |
-LL | const ARR1: [i32; X1] = [99; 47];
-   |                   ^^
-
 error[E0308]: mismatched types
   --> $DIR/const-integer-bool-ops.rs:19:19
    |
@@ -64,12 +52,6 @@ error[E0308]: mismatched types
 LL | const X2: usize = -42 || -39;
    |                   ^^^^^^^^^^ expected `usize`, found `bool`
 
-note: erroneous constant encountered
-  --> $DIR/const-integer-bool-ops.rs:26:19
-   |
-LL | const ARR2: [i32; X2] = [99; 18446744073709551607];
-   |                   ^^
-
 error[E0308]: mismatched types
   --> $DIR/const-integer-bool-ops.rs:28:19
    |
@@ -88,84 +70,42 @@ error[E0308]: mismatched types
 LL | const X3: usize = -42 && -39;
    |                   ^^^^^^^^^^ expected `usize`, found `bool`
 
-note: erroneous constant encountered
-  --> $DIR/const-integer-bool-ops.rs:35:19
-   |
-LL | const ARR3: [i32; X3] = [99; 6];
-   |                   ^^
-
 error[E0308]: mismatched types
   --> $DIR/const-integer-bool-ops.rs:37:18
    |
 LL | const Y: usize = 42.0 == 42.0;
    |                  ^^^^^^^^^^^^ expected `usize`, found `bool`
 
-note: erroneous constant encountered
-  --> $DIR/const-integer-bool-ops.rs:40:19
-   |
-LL | const ARRR: [i32; Y] = [99; 1];
-   |                   ^
-
 error[E0308]: mismatched types
   --> $DIR/const-integer-bool-ops.rs:42:19
    |
 LL | const Y1: usize = 42.0 >= 42.0;
    |                   ^^^^^^^^^^^^ expected `usize`, found `bool`
 
-note: erroneous constant encountered
-  --> $DIR/const-integer-bool-ops.rs:45:20
-   |
-LL | const ARRR1: [i32; Y1] = [99; 1];
-   |                    ^^
-
 error[E0308]: mismatched types
   --> $DIR/const-integer-bool-ops.rs:47:19
    |
 LL | const Y2: usize = 42.0 <= 42.0;
    |                   ^^^^^^^^^^^^ expected `usize`, found `bool`
 
-note: erroneous constant encountered
-  --> $DIR/const-integer-bool-ops.rs:50:20
-   |
-LL | const ARRR2: [i32; Y2] = [99; 1];
-   |                    ^^
-
 error[E0308]: mismatched types
   --> $DIR/const-integer-bool-ops.rs:52:19
    |
 LL | const Y3: usize = 42.0 > 42.0;
    |                   ^^^^^^^^^^^ expected `usize`, found `bool`
 
-note: erroneous constant encountered
-  --> $DIR/const-integer-bool-ops.rs:55:20
-   |
-LL | const ARRR3: [i32; Y3] = [99; 0];
-   |                    ^^
-
 error[E0308]: mismatched types
   --> $DIR/const-integer-bool-ops.rs:57:19
    |
 LL | const Y4: usize = 42.0 < 42.0;
    |                   ^^^^^^^^^^^ expected `usize`, found `bool`
 
-note: erroneous constant encountered
-  --> $DIR/const-integer-bool-ops.rs:60:20
-   |
-LL | const ARRR4: [i32; Y4] = [99; 0];
-   |                    ^^
-
 error[E0308]: mismatched types
   --> $DIR/const-integer-bool-ops.rs:62:19
    |
 LL | const Y5: usize = 42.0 != 42.0;
    |                   ^^^^^^^^^^^^ expected `usize`, found `bool`
 
-note: erroneous constant encountered
-  --> $DIR/const-integer-bool-ops.rs:65:20
-   |
-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.stderr b/tests/ui/consts/const-mut-refs/issue-76510.stderr
index a63be676fda..aff86e83578 100644
--- a/tests/ui/consts/const-mut-refs/issue-76510.stderr
+++ b/tests/ui/consts/const-mut-refs/issue-76510.stderr
@@ -4,12 +4,6 @@ error[E0764]: mutable references are not allowed in the final value of constants
 LL | const S: &'static mut str = &mut " hello ";
    |                             ^^^^^^^^^^^^^^
 
-note: erroneous constant encountered
-  --> $DIR/issue-76510.rs:7:70
-   |
-LL |         let s = transmute::<(*const u8, usize), &ManuallyDrop<str>>((S.as_ptr(), 3));
-   |                                                                      ^
-
 error: aborting due to 1 previous error
 
 For more information about this error, try `rustc --explain E0764`.
diff --git a/tests/ui/consts/const-try.stderr b/tests/ui/consts/const-try.stderr
index abb03a74c82..4209ca1d526 100644
--- a/tests/ui/consts/const-try.stderr
+++ b/tests/ui/consts/const-try.stderr
@@ -2,7 +2,7 @@ error: const `impl` for trait `FromResidual` which is not marked with `#[const_t
   --> $DIR/const-try.rs:15:12
    |
 LL | impl const FromResidual<Error> for TryMe {
-   |            ^^^^^^^^^^^^^^^^^^^
+   |            ^^^^^^^^^^^^^^^^^^^ this trait is not `const`
    |
    = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const`
    = note: adding a non-const method body in the future would be a breaking change
@@ -11,7 +11,7 @@ error: const `impl` for trait `Try` which is not marked with `#[const_trait]`
   --> $DIR/const-try.rs:22:12
    |
 LL | impl const Try for TryMe {
-   |            ^^^
+   |            ^^^ this trait is not `const`
    |
    = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const`
    = note: adding a non-const method body in the future would be a breaking change
diff --git a/tests/ui/consts/const-tup-index-span.stderr b/tests/ui/consts/const-tup-index-span.stderr
index 2a3f0cfb06d..792e18aa8fd 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 encountered
-  --> $DIR/const-tup-index-span.rs:6:18
-   |
-LL | const ARR: [i32; TUP.0] = [];
-   |                  ^^^
-
 error: aborting due to 1 previous error
 
 For more information about this error, try `rustc --explain E0308`.
diff --git a/tests/ui/consts/fn_trait_refs.stderr b/tests/ui/consts/fn_trait_refs.stderr
index bb7ff76b125..e0dbecff8e5 100644
--- a/tests/ui/consts/fn_trait_refs.stderr
+++ b/tests/ui/consts/fn_trait_refs.stderr
@@ -14,110 +14,145 @@ error: `~const` can only be applied to `#[const_trait]` traits
   --> $DIR/fn_trait_refs.rs:14:8
    |
 LL |     T: ~const Fn<()> + ~const Destruct,
-   |        ^^^^^^
+   |        ^^^^^^ can't be applied to `Fn`
+   |
+note: `Fn` can't be used with `~const` because it isn't annotated with `#[const_trait]`
+  --> $SRC_DIR/core/src/ops/function.rs:LL:COL
 
 error: `~const` can only be applied to `#[const_trait]` traits
   --> $DIR/fn_trait_refs.rs:14:8
    |
 LL |     T: ~const Fn<()> + ~const Destruct,
-   |        ^^^^^^
+   |        ^^^^^^ can't be applied to `Fn`
    |
+note: `Fn` can't be used with `~const` because it isn't annotated with `#[const_trait]`
+  --> $SRC_DIR/core/src/ops/function.rs:LL:COL
    = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
 
 error: `~const` can only be applied to `#[const_trait]` traits
   --> $DIR/fn_trait_refs.rs:14:8
    |
 LL |     T: ~const Fn<()> + ~const Destruct,
-   |        ^^^^^^
+   |        ^^^^^^ can't be applied to `Fn`
    |
+note: `Fn` can't be used with `~const` because it isn't annotated with `#[const_trait]`
+  --> $SRC_DIR/core/src/ops/function.rs:LL:COL
    = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
 
 error: `~const` can only be applied to `#[const_trait]` traits
   --> $DIR/fn_trait_refs.rs:21:8
    |
 LL |     T: ~const FnMut<()> + ~const Destruct,
-   |        ^^^^^^
+   |        ^^^^^^ can't be applied to `FnMut`
+   |
+note: `FnMut` can't be used with `~const` because it isn't annotated with `#[const_trait]`
+  --> $SRC_DIR/core/src/ops/function.rs:LL:COL
 
 error: `~const` can only be applied to `#[const_trait]` traits
   --> $DIR/fn_trait_refs.rs:21:8
    |
 LL |     T: ~const FnMut<()> + ~const Destruct,
-   |        ^^^^^^
+   |        ^^^^^^ can't be applied to `FnMut`
    |
+note: `FnMut` can't be used with `~const` because it isn't annotated with `#[const_trait]`
+  --> $SRC_DIR/core/src/ops/function.rs:LL:COL
    = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
 
 error: `~const` can only be applied to `#[const_trait]` traits
   --> $DIR/fn_trait_refs.rs:21:8
    |
 LL |     T: ~const FnMut<()> + ~const Destruct,
-   |        ^^^^^^
+   |        ^^^^^^ can't be applied to `FnMut`
    |
+note: `FnMut` can't be used with `~const` because it isn't annotated with `#[const_trait]`
+  --> $SRC_DIR/core/src/ops/function.rs:LL:COL
    = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
 
 error: `~const` can only be applied to `#[const_trait]` traits
   --> $DIR/fn_trait_refs.rs:28:8
    |
 LL |     T: ~const FnOnce<()>,
-   |        ^^^^^^
+   |        ^^^^^^ can't be applied to `FnOnce`
+   |
+note: `FnOnce` can't be used with `~const` because it isn't annotated with `#[const_trait]`
+  --> $SRC_DIR/core/src/ops/function.rs:LL:COL
 
 error: `~const` can only be applied to `#[const_trait]` traits
   --> $DIR/fn_trait_refs.rs:28:8
    |
 LL |     T: ~const FnOnce<()>,
-   |        ^^^^^^
+   |        ^^^^^^ can't be applied to `FnOnce`
    |
+note: `FnOnce` can't be used with `~const` because it isn't annotated with `#[const_trait]`
+  --> $SRC_DIR/core/src/ops/function.rs:LL:COL
    = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
 
 error: `~const` can only be applied to `#[const_trait]` traits
   --> $DIR/fn_trait_refs.rs:28:8
    |
 LL |     T: ~const FnOnce<()>,
-   |        ^^^^^^
+   |        ^^^^^^ can't be applied to `FnOnce`
    |
+note: `FnOnce` can't be used with `~const` because it isn't annotated with `#[const_trait]`
+  --> $SRC_DIR/core/src/ops/function.rs:LL:COL
    = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
 
 error: `~const` can only be applied to `#[const_trait]` traits
   --> $DIR/fn_trait_refs.rs:35:8
    |
 LL |     T: ~const Fn<()> + ~const Destruct,
-   |        ^^^^^^
+   |        ^^^^^^ can't be applied to `Fn`
+   |
+note: `Fn` can't be used with `~const` because it isn't annotated with `#[const_trait]`
+  --> $SRC_DIR/core/src/ops/function.rs:LL:COL
 
 error: `~const` can only be applied to `#[const_trait]` traits
   --> $DIR/fn_trait_refs.rs:35:8
    |
 LL |     T: ~const Fn<()> + ~const Destruct,
-   |        ^^^^^^
+   |        ^^^^^^ can't be applied to `Fn`
    |
+note: `Fn` can't be used with `~const` because it isn't annotated with `#[const_trait]`
+  --> $SRC_DIR/core/src/ops/function.rs:LL:COL
    = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
 
 error: `~const` can only be applied to `#[const_trait]` traits
   --> $DIR/fn_trait_refs.rs:35:8
    |
 LL |     T: ~const Fn<()> + ~const Destruct,
-   |        ^^^^^^
+   |        ^^^^^^ can't be applied to `Fn`
    |
+note: `Fn` can't be used with `~const` because it isn't annotated with `#[const_trait]`
+  --> $SRC_DIR/core/src/ops/function.rs:LL:COL
    = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
 
 error: `~const` can only be applied to `#[const_trait]` traits
   --> $DIR/fn_trait_refs.rs:49:8
    |
 LL |     T: ~const FnMut<()> + ~const Destruct,
-   |        ^^^^^^
+   |        ^^^^^^ can't be applied to `FnMut`
+   |
+note: `FnMut` can't be used with `~const` because it isn't annotated with `#[const_trait]`
+  --> $SRC_DIR/core/src/ops/function.rs:LL:COL
 
 error: `~const` can only be applied to `#[const_trait]` traits
   --> $DIR/fn_trait_refs.rs:49:8
    |
 LL |     T: ~const FnMut<()> + ~const Destruct,
-   |        ^^^^^^
+   |        ^^^^^^ can't be applied to `FnMut`
    |
+note: `FnMut` can't be used with `~const` because it isn't annotated with `#[const_trait]`
+  --> $SRC_DIR/core/src/ops/function.rs:LL:COL
    = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
 
 error: `~const` can only be applied to `#[const_trait]` traits
   --> $DIR/fn_trait_refs.rs:49:8
    |
 LL |     T: ~const FnMut<()> + ~const Destruct,
-   |        ^^^^^^
+   |        ^^^^^^ can't be applied to `FnMut`
    |
+note: `FnMut` can't be used with `~const` because it isn't annotated with `#[const_trait]`
+  --> $SRC_DIR/core/src/ops/function.rs:LL:COL
    = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
 
 error[E0277]: the trait bound `fn() -> i32 {one}: const Destruct` is not satisfied
diff --git a/tests/ui/consts/issue-54954.stderr b/tests/ui/consts/issue-54954.stderr
index ed6aa9c44a3..b8c983eb7b8 100644
--- a/tests/ui/consts/issue-54954.stderr
+++ b/tests/ui/consts/issue-54954.stderr
@@ -19,24 +19,6 @@ LL | |         core::mem::size_of::<T>()
 LL | |     }
    | |_____- `Tt::const_val` defined here
 
-note: erroneous constant encountered
-  --> $DIR/issue-54954.rs:11:15
-   |
-LL | fn f(z: [f32; ARR_LEN]) -> [f32; ARR_LEN] {
-   |               ^^^^^^^
-
-note: erroneous constant encountered
-  --> $DIR/issue-54954.rs:11:34
-   |
-LL | fn f(z: [f32; ARR_LEN]) -> [f32; ARR_LEN] {
-   |                                  ^^^^^^^
-
-note: erroneous constant encountered
-  --> $DIR/issue-54954.rs:16:22
-   |
-LL |     let _ = f([1f32; ARR_LEN]);
-   |                      ^^^^^^^
-
 error: aborting due to 2 previous errors
 
 Some errors have detailed explanations: E0379, E0790.
diff --git a/tests/ui/consts/missing_assoc_const_type2.stderr b/tests/ui/consts/missing_assoc_const_type2.stderr
index 3279a077464..1255ca2d102 100644
--- a/tests/ui/consts/missing_assoc_const_type2.stderr
+++ b/tests/ui/consts/missing_assoc_const_type2.stderr
@@ -4,11 +4,5 @@ error: missing type for `const` item
 LL |     const FIRST:  = 10;
    |                 ^ help: provide a type for the associated constant: `u8`
 
-note: erroneous constant encountered
-  --> $DIR/missing_assoc_const_type2.rs:18:5
-   |
-LL |     TwoDigits::FIRST as usize
-   |     ^^^^^^^^^^^^^^^^
-
 error: aborting due to 1 previous error
 
diff --git a/tests/ui/consts/promoted-type-error-issue-133968.rs b/tests/ui/consts/promoted-type-error-issue-133968.rs
new file mode 100644
index 00000000000..52c0d48ab5b
--- /dev/null
+++ b/tests/ui/consts/promoted-type-error-issue-133968.rs
@@ -0,0 +1,7 @@
+struct B<T: ?Sized + Send + 'static> {
+    x: &'static T,
+}
+static STR: &'static [u8] = "a b"; //~ERROR: mismatched types
+static C: &B<[u8]> = &B { x: STR };
+
+fn main() {}
diff --git a/tests/ui/consts/promoted-type-error-issue-133968.stderr b/tests/ui/consts/promoted-type-error-issue-133968.stderr
new file mode 100644
index 00000000000..24f1268e4b6
--- /dev/null
+++ b/tests/ui/consts/promoted-type-error-issue-133968.stderr
@@ -0,0 +1,16 @@
+error[E0308]: mismatched types
+  --> $DIR/promoted-type-error-issue-133968.rs:4:29
+   |
+LL | static STR: &'static [u8] = "a b";
+   |                             ^^^^^ expected `&[u8]`, found `&str`
+   |
+   = note: expected reference `&'static [u8]`
+              found reference `&'static str`
+help: consider adding a leading `b`
+   |
+LL | static STR: &'static [u8] = b"a b";
+   |                             +
+
+error: aborting due to 1 previous error
+
+For more information about this error, try `rustc --explain E0308`.
diff --git a/tests/ui/consts/rustc-impl-const-stability.stderr b/tests/ui/consts/rustc-impl-const-stability.stderr
index 4a58b5c8603..19c6bb5907f 100644
--- a/tests/ui/consts/rustc-impl-const-stability.stderr
+++ b/tests/ui/consts/rustc-impl-const-stability.stderr
@@ -2,7 +2,7 @@ error: const `impl` for trait `Default` which is not marked with `#[const_trait]
   --> $DIR/rustc-impl-const-stability.rs:15:12
    |
 LL | impl const Default for Data {
-   |            ^^^^^^^
+   |            ^^^^^^^ this trait is not `const`
    |
    = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const`
    = note: adding a non-const method body in the future would be a breaking change
diff --git a/tests/ui/consts/unstable-const-fn-in-libcore.stderr b/tests/ui/consts/unstable-const-fn-in-libcore.stderr
index f40c1871e90..32693edbfcb 100644
--- a/tests/ui/consts/unstable-const-fn-in-libcore.stderr
+++ b/tests/ui/consts/unstable-const-fn-in-libcore.stderr
@@ -2,14 +2,19 @@ error: `~const` can only be applied to `#[const_trait]` traits
   --> $DIR/unstable-const-fn-in-libcore.rs:19:32
    |
 LL |     const fn unwrap_or_else<F: ~const FnOnce() -> T>(self, f: F) -> T {
-   |                                ^^^^^^
+   |                                ^^^^^^ can't be applied to `FnOnce`
+   |
+note: `FnOnce` can't be used with `~const` because it isn't annotated with `#[const_trait]`
+  --> $SRC_DIR/core/src/ops/function.rs:LL:COL
 
 error: `~const` can only be applied to `#[const_trait]` traits
   --> $DIR/unstable-const-fn-in-libcore.rs:19:32
    |
 LL |     const fn unwrap_or_else<F: ~const FnOnce() -> T>(self, f: F) -> T {
-   |                                ^^^^^^
+   |                                ^^^^^^ can't be applied to `FnOnce`
    |
+note: `FnOnce` can't be used with `~const` because it isn't annotated with `#[const_trait]`
+  --> $SRC_DIR/core/src/ops/function.rs:LL:COL
    = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
 
 error[E0015]: cannot call non-const closure in constant functions
diff --git a/tests/ui/coroutine/break-inside-coroutine-issue-124495.rs b/tests/ui/coroutine/break-inside-coroutine-issue-124495.rs
index d0597fdd8e1..7d8b1a1156c 100644
--- a/tests/ui/coroutine/break-inside-coroutine-issue-124495.rs
+++ b/tests/ui/coroutine/break-inside-coroutine-issue-124495.rs
@@ -1,7 +1,6 @@
 //@ edition: 2024
 
 #![feature(gen_blocks)]
-#![feature(async_closure)]
 
 async fn async_fn() {
     break; //~ ERROR `break` inside `async` function
diff --git a/tests/ui/coroutine/break-inside-coroutine-issue-124495.stderr b/tests/ui/coroutine/break-inside-coroutine-issue-124495.stderr
index bdd26d39d82..ee838fbe694 100644
--- a/tests/ui/coroutine/break-inside-coroutine-issue-124495.stderr
+++ b/tests/ui/coroutine/break-inside-coroutine-issue-124495.stderr
@@ -1,5 +1,5 @@
 error[E0267]: `break` inside `async` function
-  --> $DIR/break-inside-coroutine-issue-124495.rs:7:5
+  --> $DIR/break-inside-coroutine-issue-124495.rs:6:5
    |
 LL | async fn async_fn() {
    | ------------------- enclosing `async` function
@@ -7,7 +7,7 @@ LL |     break;
    |     ^^^^^ cannot `break` inside `async` function
 
 error[E0267]: `break` inside `gen` function
-  --> $DIR/break-inside-coroutine-issue-124495.rs:11:5
+  --> $DIR/break-inside-coroutine-issue-124495.rs:10:5
    |
 LL | gen fn gen_fn() {
    | --------------- enclosing `gen` function
@@ -15,7 +15,7 @@ LL |     break;
    |     ^^^^^ cannot `break` inside `gen` function
 
 error[E0267]: `break` inside `async gen` function
-  --> $DIR/break-inside-coroutine-issue-124495.rs:15:5
+  --> $DIR/break-inside-coroutine-issue-124495.rs:14:5
    |
 LL | async gen fn async_gen_fn() {
    | --------------------------- enclosing `async gen` function
@@ -23,7 +23,7 @@ LL |     break;
    |     ^^^^^ cannot `break` inside `async gen` function
 
 error[E0267]: `break` inside `async` block
-  --> $DIR/break-inside-coroutine-issue-124495.rs:19:21
+  --> $DIR/break-inside-coroutine-issue-124495.rs:18:21
    |
 LL |     let _ = async { break; };
    |             -----   ^^^^^ cannot `break` inside `async` block
@@ -31,7 +31,7 @@ LL |     let _ = async { break; };
    |             enclosing `async` block
 
 error[E0267]: `break` inside `async` closure
-  --> $DIR/break-inside-coroutine-issue-124495.rs:21:24
+  --> $DIR/break-inside-coroutine-issue-124495.rs:20:24
    |
 LL |     let _ = async || { break; };
    |             --------   ^^^^^ cannot `break` inside `async` closure
@@ -39,7 +39,7 @@ LL |     let _ = async || { break; };
    |             enclosing `async` closure
 
 error[E0267]: `break` inside `gen` block
-  --> $DIR/break-inside-coroutine-issue-124495.rs:23:19
+  --> $DIR/break-inside-coroutine-issue-124495.rs:22:19
    |
 LL |     let _ = gen { break; };
    |             ---   ^^^^^ cannot `break` inside `gen` block
@@ -47,7 +47,7 @@ LL |     let _ = gen { break; };
    |             enclosing `gen` block
 
 error[E0267]: `break` inside `async gen` block
-  --> $DIR/break-inside-coroutine-issue-124495.rs:25:25
+  --> $DIR/break-inside-coroutine-issue-124495.rs:24:25
    |
 LL |     let _ = async gen { break; };
    |             ---------   ^^^^^ cannot `break` inside `async gen` block
diff --git a/tests/ui/diagnostic-flags/allow-non-lint-warnings.rs b/tests/ui/diagnostic-flags/allow-non-lint-warnings.rs
new file mode 100644
index 00000000000..40b9e6536f5
--- /dev/null
+++ b/tests/ui/diagnostic-flags/allow-non-lint-warnings.rs
@@ -0,0 +1,27 @@
+// ignore-tidy-linelength
+//! Check that `-A warnings` cli flag applies to non-lint warnings as well.
+//!
+//! This test tries to exercise that by checking that the "relaxing a default bound only does
+//! something for `?Sized`; all other traits are not bound by default" non-lint warning (normally
+//! warn-by-default) is suppressed if the `-A warnings` cli flag is passed.
+//!
+//! Take special note that `warnings` is a special pseudo lint group in relationship to non-lint
+//! warnings, which is somewhat special. This test does not exercise other `-A <other_lint_group>`
+//! that check that they are working in the same way, only `warnings` specifically.
+//!
+//! # Relevant context
+//!
+//! - Original impl PR: <https://github.com/rust-lang/rust/pull/21248>.
+//! - RFC 507 "Release channels":
+//!   <https://github.com/rust-lang/rfcs/blob/c017755b9bfa0421570d92ba38082302e0f3ad4f/text/0507-release-channels.md>.
+#![crate_type = "lib"]
+
+//@ revisions: without_flag with_flag
+
+//@[with_flag] compile-flags: -Awarnings
+
+//@ check-pass
+
+pub trait Trait {}
+pub fn f<T: ?Trait>() {}
+//[without_flag]~^ WARN relaxing a default bound only does something for `?Sized`; all other traits are not bound by default
diff --git a/tests/ui/diagnostic-flags/allow-non-lint-warnings.without_flag.stderr b/tests/ui/diagnostic-flags/allow-non-lint-warnings.without_flag.stderr
new file mode 100644
index 00000000000..b037847c70f
--- /dev/null
+++ b/tests/ui/diagnostic-flags/allow-non-lint-warnings.without_flag.stderr
@@ -0,0 +1,8 @@
+warning: relaxing a default bound only does something for `?Sized`; all other traits are not bound by default
+  --> $DIR/allow-non-lint-warnings.rs:26:13
+   |
+LL | pub fn f<T: ?Trait>() {}
+   |             ^^^^^^
+
+warning: 1 warning emitted
+
diff --git a/tests/ui/editions/edition-keywords-2018-2015-parsing.rs b/tests/ui/editions/edition-keywords-2018-2015-parsing.rs
index c346be50856..c3dfcfb19cb 100644
--- a/tests/ui/editions/edition-keywords-2018-2015-parsing.rs
+++ b/tests/ui/editions/edition-keywords-2018-2015-parsing.rs
@@ -1,8 +1,6 @@
 //@ edition:2018
 //@ aux-build:edition-kw-macro-2015.rs
 
-#![feature(async_closure)]
-
 fn main() {}
 
 #[macro_use]
diff --git a/tests/ui/editions/edition-keywords-2018-2015-parsing.stderr b/tests/ui/editions/edition-keywords-2018-2015-parsing.stderr
index aed5837abea..905e1249d97 100644
--- a/tests/ui/editions/edition-keywords-2018-2015-parsing.stderr
+++ b/tests/ui/editions/edition-keywords-2018-2015-parsing.stderr
@@ -1,5 +1,5 @@
 error: expected identifier, found keyword `async`
-  --> $DIR/edition-keywords-2018-2015-parsing.rs:16:13
+  --> $DIR/edition-keywords-2018-2015-parsing.rs:14:13
    |
 LL |     let mut async = 1;
    |             ^^^^^ expected identifier, found keyword
@@ -10,7 +10,7 @@ LL |     let mut r#async = 1;
    |             ++
 
 error: expected identifier, found keyword `async`
-  --> $DIR/edition-keywords-2018-2015-parsing.rs:28:13
+  --> $DIR/edition-keywords-2018-2015-parsing.rs:26:13
    |
 LL |     module::async();
    |             ^^^^^ expected identifier, found keyword
@@ -21,7 +21,7 @@ LL |     module::r#async();
    |             ++
 
 error: no rules expected `r#async`
-  --> $DIR/edition-keywords-2018-2015-parsing.rs:20:31
+  --> $DIR/edition-keywords-2018-2015-parsing.rs:18:31
    |
 LL |     r#async = consumes_async!(r#async);
    |                               ^^^^^^^ no rules expected this token in macro call
@@ -33,7 +33,7 @@ LL |     (async) => (1)
    |      ^^^^^
 
 error: no rules expected keyword `async`
-  --> $DIR/edition-keywords-2018-2015-parsing.rs:21:35
+  --> $DIR/edition-keywords-2018-2015-parsing.rs:19:35
    |
 LL |     r#async = consumes_async_raw!(async);
    |                                   ^^^^^ no rules expected this token in macro call
@@ -50,19 +50,19 @@ error: macro expansion ends with an incomplete expression: expected one of `move
 LL |     ($i: ident) => ($i)
    |                       ^ expected one of `move`, `|`, or `||`
    |
-  ::: $DIR/edition-keywords-2018-2015-parsing.rs:24:8
+  ::: $DIR/edition-keywords-2018-2015-parsing.rs:22:8
    |
 LL |     if passes_ident!(async) == 1 {} // FIXME: Edition hygiene bug, async here is 2018 and reserved
    |        -------------------- in this macro invocation
 
 error: macro expansion ends with an incomplete expression: expected one of `move`, `|`, or `||`
-  --> $DIR/edition-keywords-2018-2015-parsing.rs:26:24
+  --> $DIR/edition-keywords-2018-2015-parsing.rs:24:24
    |
 LL |     if passes_tt!(async) == 1 {}
    |                        ^ expected one of `move`, `|`, or `||`
 
 error[E0308]: mismatched types
-  --> $DIR/edition-keywords-2018-2015-parsing.rs:31:33
+  --> $DIR/edition-keywords-2018-2015-parsing.rs:29:33
    |
 LL |     let _recovery_witness: () = 0;
    |                            --   ^ expected `()`, found integer
diff --git a/tests/ui/editions/edition-keywords-2018-2018-parsing.rs b/tests/ui/editions/edition-keywords-2018-2018-parsing.rs
index b75b68b3feb..1447c49ef71 100644
--- a/tests/ui/editions/edition-keywords-2018-2018-parsing.rs
+++ b/tests/ui/editions/edition-keywords-2018-2018-parsing.rs
@@ -1,8 +1,6 @@
 //@ edition:2018
 //@ aux-build:edition-kw-macro-2018.rs
 
-#![feature(async_closure)]
-
 fn main() {}
 
 #[macro_use]
diff --git a/tests/ui/editions/edition-keywords-2018-2018-parsing.stderr b/tests/ui/editions/edition-keywords-2018-2018-parsing.stderr
index 6503e9cc73c..af5cc515bb2 100644
--- a/tests/ui/editions/edition-keywords-2018-2018-parsing.stderr
+++ b/tests/ui/editions/edition-keywords-2018-2018-parsing.stderr
@@ -1,5 +1,5 @@
 error: expected identifier, found keyword `async`
-  --> $DIR/edition-keywords-2018-2018-parsing.rs:23:13
+  --> $DIR/edition-keywords-2018-2018-parsing.rs:21:13
    |
 LL |     let mut async = 1;
    |             ^^^^^ expected identifier, found keyword
@@ -10,7 +10,7 @@ LL |     let mut r#async = 1;
    |             ++
 
 error: expected identifier, found keyword `async`
-  --> $DIR/edition-keywords-2018-2018-parsing.rs:39:13
+  --> $DIR/edition-keywords-2018-2018-parsing.rs:37:13
    |
 LL |     module::async();
    |             ^^^^^ expected identifier, found keyword
@@ -21,7 +21,7 @@ LL |     module::r#async();
    |             ++
 
 error: no rules expected `r#async`
-  --> $DIR/edition-keywords-2018-2018-parsing.rs:27:31
+  --> $DIR/edition-keywords-2018-2018-parsing.rs:25:31
    |
 LL |     r#async = consumes_async!(r#async);
    |                               ^^^^^^^ no rules expected this token in macro call
@@ -33,7 +33,7 @@ LL |     (async) => (1)
    |      ^^^^^
 
 error: no rules expected keyword `async`
-  --> $DIR/edition-keywords-2018-2018-parsing.rs:28:35
+  --> $DIR/edition-keywords-2018-2018-parsing.rs:26:35
    |
 LL |     r#async = consumes_async_raw!(async);
    |                                   ^^^^^ no rules expected this token in macro call
@@ -50,31 +50,31 @@ error: macro expansion ends with an incomplete expression: expected one of `move
 LL |     ($i: ident) => ($i)
    |                       ^ expected one of `move`, `|`, or `||`
    |
-  ::: $DIR/edition-keywords-2018-2018-parsing.rs:31:8
+  ::: $DIR/edition-keywords-2018-2018-parsing.rs:29:8
    |
 LL |     if passes_ident!(async) == 1 {} // FIXME: Edition hygiene bug, async here is 2018 and reserved
    |        -------------------- in this macro invocation
 
 error: macro expansion ends with an incomplete expression: expected one of `move`, `|`, or `||`
-  --> $DIR/edition-keywords-2018-2018-parsing.rs:33:24
+  --> $DIR/edition-keywords-2018-2018-parsing.rs:31:24
    |
 LL |     if passes_tt!(async) == 1 {}
    |                        ^ expected one of `move`, `|`, or `||`
 
 error: macro expansion ends with an incomplete expression: expected one of `move`, `|`, or `||`
-  --> $DIR/edition-keywords-2018-2018-parsing.rs:16:23
+  --> $DIR/edition-keywords-2018-2018-parsing.rs:14:23
    |
 LL |     ($i: ident) => ($i)
    |                       ^ expected one of `move`, `|`, or `||`
 
 error: macro expansion ends with an incomplete expression: expected one of `move`, `|`, or `||`
-  --> $DIR/edition-keywords-2018-2018-parsing.rs:37:30
+  --> $DIR/edition-keywords-2018-2018-parsing.rs:35:30
    |
 LL |     if local_passes_tt!(async) == 1 {}
    |                              ^ expected one of `move`, `|`, or `||`
 
 error[E0308]: mismatched types
-  --> $DIR/edition-keywords-2018-2018-parsing.rs:42:33
+  --> $DIR/edition-keywords-2018-2018-parsing.rs:40:33
    |
 LL |     let _recovery_witness: () = 0;
    |                            --   ^ expected `()`, found integer
diff --git a/tests/ui/editions/never-type-fallback-breaking.e2021.fixed b/tests/ui/editions/never-type-fallback-breaking.e2021.fixed
index 91d30de74c7..11ec273fc4b 100644
--- a/tests/ui/editions/never-type-fallback-breaking.e2021.fixed
+++ b/tests/ui/editions/never-type-fallback-breaking.e2021.fixed
@@ -11,6 +11,8 @@ fn main() {
     m();
     q();
     let _ = meow();
+    let _ = fallback_return();
+    let _ = fully_apit();
 }
 
 fn m() {
@@ -49,3 +51,29 @@ fn meow() -> Result<(), ()> {
     //[e2024]~^ error: the trait bound `(): From<!>` is not satisfied
     Ok(())
 }
+
+pub fn takes_apit<T>(_y: impl Fn() -> T) -> Result<T, ()> {
+    Err(())
+}
+
+pub fn fallback_return() -> Result<(), ()> {
+    //[e2021]~^ this function depends on never type fallback being `()`
+    //[e2021]~| this was previously accepted by the compiler but is being phased out; it will become a hard error in Rust 2024 and in a future release in all editions!
+    takes_apit::<()>(|| Default::default())?;
+    //[e2024]~^ error: the trait bound `!: Default` is not satisfied
+    Ok(())
+}
+
+fn mk<T>() -> Result<T, ()> {
+    Err(())
+}
+
+fn takes_apit2(_x: impl Default) {}
+
+fn fully_apit() -> Result<(), ()> {
+    //[e2021]~^ this function depends on never type fallback being `()`
+    //[e2021]~| this was previously accepted by the compiler but is being phased out; it will become a hard error in Rust 2024 and in a future release in all editions!
+    takes_apit2(mk::<()>()?);
+    //[e2024]~^ error: the trait bound `!: Default` is not satisfied
+    Ok(())
+}
diff --git a/tests/ui/editions/never-type-fallback-breaking.e2021.stderr b/tests/ui/editions/never-type-fallback-breaking.e2021.stderr
index 6fdb548c431..9009d617936 100644
--- a/tests/ui/editions/never-type-fallback-breaking.e2021.stderr
+++ b/tests/ui/editions/never-type-fallback-breaking.e2021.stderr
@@ -1,5 +1,5 @@
 warning: this function depends on never type fallback being `()`
-  --> $DIR/never-type-fallback-breaking.rs:16:1
+  --> $DIR/never-type-fallback-breaking.rs:18:1
    |
 LL | fn m() {
    | ^^^^^^
@@ -8,7 +8,7 @@ LL | fn m() {
    = note: for more information, see issue #123748 <https://github.com/rust-lang/rust/issues/123748>
    = help: specify the types explicitly
 note: in edition 2024, the requirement `!: Default` will fail
-  --> $DIR/never-type-fallback-breaking.rs:20:17
+  --> $DIR/never-type-fallback-breaking.rs:22:17
    |
 LL |         true => Default::default(),
    |                 ^^^^^^^^^^^^^^^^^^
@@ -19,7 +19,7 @@ LL |     let x: () = match true {
    |          ++++
 
 warning: this function depends on never type fallback being `()`
-  --> $DIR/never-type-fallback-breaking.rs:28:1
+  --> $DIR/never-type-fallback-breaking.rs:30:1
    |
 LL | fn q() -> Option<()> {
    | ^^^^^^^^^^^^^^^^^^^^
@@ -28,7 +28,7 @@ LL | fn q() -> Option<()> {
    = note: for more information, see issue #123748 <https://github.com/rust-lang/rust/issues/123748>
    = help: specify the types explicitly
 note: in edition 2024, the requirement `!: Default` will fail
-  --> $DIR/never-type-fallback-breaking.rs:35:5
+  --> $DIR/never-type-fallback-breaking.rs:37:5
    |
 LL |     deserialize()?;
    |     ^^^^^^^^^^^^^
@@ -38,7 +38,7 @@ LL |     deserialize::<()>()?;
    |                ++++++
 
 warning: this function depends on never type fallback being `()`
-  --> $DIR/never-type-fallback-breaking.rs:45:1
+  --> $DIR/never-type-fallback-breaking.rs:47:1
    |
 LL | fn meow() -> Result<(), ()> {
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -47,7 +47,7 @@ LL | fn meow() -> Result<(), ()> {
    = note: for more information, see issue #123748 <https://github.com/rust-lang/rust/issues/123748>
    = help: specify the types explicitly
 note: in edition 2024, the requirement `(): From<!>` will fail
-  --> $DIR/never-type-fallback-breaking.rs:48:5
+  --> $DIR/never-type-fallback-breaking.rs:50:5
    |
 LL |     help(1)?;
    |     ^^^^^^^
@@ -56,5 +56,43 @@ help: use `()` annotations to avoid fallback changes
 LL |     help::<(), _>(1)?;
    |         +++++++++
 
-warning: 3 warnings emitted
+warning: this function depends on never type fallback being `()`
+  --> $DIR/never-type-fallback-breaking.rs:59:1
+   |
+LL | pub fn fallback_return() -> Result<(), ()> {
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in Rust 2024 and in a future release in all editions!
+   = note: for more information, see issue #123748 <https://github.com/rust-lang/rust/issues/123748>
+   = help: specify the types explicitly
+note: in edition 2024, the requirement `!: Default` will fail
+  --> $DIR/never-type-fallback-breaking.rs:62:19
+   |
+LL |     takes_apit(|| Default::default())?;
+   |                   ^^^^^^^^^^^^^^^^^^
+help: use `()` annotations to avoid fallback changes
+   |
+LL |     takes_apit::<()>(|| Default::default())?;
+   |               ++++++
+
+warning: this function depends on never type fallback being `()`
+  --> $DIR/never-type-fallback-breaking.rs:73:1
+   |
+LL | fn fully_apit() -> Result<(), ()> {
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in Rust 2024 and in a future release in all editions!
+   = note: for more information, see issue #123748 <https://github.com/rust-lang/rust/issues/123748>
+   = help: specify the types explicitly
+note: in edition 2024, the requirement `!: Default` will fail
+  --> $DIR/never-type-fallback-breaking.rs:76:17
+   |
+LL |     takes_apit2(mk()?);
+   |                 ^^^^^
+help: use `()` annotations to avoid fallback changes
+   |
+LL |     takes_apit2(mk::<()>()?);
+   |                   ++++++
+
+warning: 5 warnings emitted
 
diff --git a/tests/ui/editions/never-type-fallback-breaking.e2024.stderr b/tests/ui/editions/never-type-fallback-breaking.e2024.stderr
index 9d79dfb4099..2daf00f7804 100644
--- a/tests/ui/editions/never-type-fallback-breaking.e2024.stderr
+++ b/tests/ui/editions/never-type-fallback-breaking.e2024.stderr
@@ -1,5 +1,5 @@
 error[E0277]: the trait bound `!: Default` is not satisfied
-  --> $DIR/never-type-fallback-breaking.rs:20:17
+  --> $DIR/never-type-fallback-breaking.rs:22:17
    |
 LL |         true => Default::default(),
    |                 ^^^^^^^^^^^^^^^^^^ the trait `Default` is not implemented for `!`
@@ -8,7 +8,7 @@ LL |         true => Default::default(),
    = help: did you intend to use the type `()` here instead?
 
 error[E0277]: the trait bound `!: Default` is not satisfied
-  --> $DIR/never-type-fallback-breaking.rs:35:5
+  --> $DIR/never-type-fallback-breaking.rs:37:5
    |
 LL |     deserialize()?;
    |     ^^^^^^^^^^^^^ the trait `Default` is not implemented for `!`
@@ -16,13 +16,13 @@ LL |     deserialize()?;
    = note: this error might have been caused by changes to Rust's type-inference algorithm (see issue #48950 <https://github.com/rust-lang/rust/issues/48950> for more information)
    = help: did you intend to use the type `()` here instead?
 note: required by a bound in `deserialize`
-  --> $DIR/never-type-fallback-breaking.rs:31:23
+  --> $DIR/never-type-fallback-breaking.rs:33:23
    |
 LL |     fn deserialize<T: Default>() -> Option<T> {
    |                       ^^^^^^^ required by this bound in `deserialize`
 
 error[E0277]: the trait bound `(): From<!>` is not satisfied
-  --> $DIR/never-type-fallback-breaking.rs:48:5
+  --> $DIR/never-type-fallback-breaking.rs:50:5
    |
 LL |     help(1)?;
    |     ^^^^^^^ the trait `From<!>` is not implemented for `()`
@@ -39,11 +39,36 @@ LL |     help(1)?;
            and 4 others
    = note: required for `!` to implement `Into<()>`
 note: required by a bound in `help`
-  --> $DIR/never-type-fallback-breaking.rs:42:20
+  --> $DIR/never-type-fallback-breaking.rs:44:20
    |
 LL | fn help<'a: 'a, T: Into<()>, U>(_: U) -> Result<T, ()> {
    |                    ^^^^^^^^ required by this bound in `help`
 
-error: aborting due to 3 previous errors
+error[E0277]: the trait bound `!: Default` is not satisfied
+  --> $DIR/never-type-fallback-breaking.rs:62:19
+   |
+LL |     takes_apit(|| Default::default())?;
+   |                   ^^^^^^^^^^^^^^^^^^ the trait `Default` is not implemented for `!`
+   |
+   = note: this error might have been caused by changes to Rust's type-inference algorithm (see issue #48950 <https://github.com/rust-lang/rust/issues/48950> for more information)
+   = help: did you intend to use the type `()` here instead?
+
+error[E0277]: the trait bound `!: Default` is not satisfied
+  --> $DIR/never-type-fallback-breaking.rs:76:17
+   |
+LL |     takes_apit2(mk()?);
+   |     ----------- ^^^^^ the trait `Default` is not implemented for `!`
+   |     |
+   |     required by a bound introduced by this call
+   |
+   = note: this error might have been caused by changes to Rust's type-inference algorithm (see issue #48950 <https://github.com/rust-lang/rust/issues/48950> for more information)
+   = help: did you intend to use the type `()` here instead?
+note: required by a bound in `takes_apit2`
+  --> $DIR/never-type-fallback-breaking.rs:71:25
+   |
+LL | fn takes_apit2(_x: impl Default) {}
+   |                         ^^^^^^^ required by this bound in `takes_apit2`
+
+error: aborting due to 5 previous errors
 
 For more information about this error, try `rustc --explain E0277`.
diff --git a/tests/ui/editions/never-type-fallback-breaking.rs b/tests/ui/editions/never-type-fallback-breaking.rs
index 24e33ff6bf6..daafc526eff 100644
--- a/tests/ui/editions/never-type-fallback-breaking.rs
+++ b/tests/ui/editions/never-type-fallback-breaking.rs
@@ -11,6 +11,8 @@ fn main() {
     m();
     q();
     let _ = meow();
+    let _ = fallback_return();
+    let _ = fully_apit();
 }
 
 fn m() {
@@ -49,3 +51,29 @@ fn meow() -> Result<(), ()> {
     //[e2024]~^ error: the trait bound `(): From<!>` is not satisfied
     Ok(())
 }
+
+pub fn takes_apit<T>(_y: impl Fn() -> T) -> Result<T, ()> {
+    Err(())
+}
+
+pub fn fallback_return() -> Result<(), ()> {
+    //[e2021]~^ this function depends on never type fallback being `()`
+    //[e2021]~| this was previously accepted by the compiler but is being phased out; it will become a hard error in Rust 2024 and in a future release in all editions!
+    takes_apit(|| Default::default())?;
+    //[e2024]~^ error: the trait bound `!: Default` is not satisfied
+    Ok(())
+}
+
+fn mk<T>() -> Result<T, ()> {
+    Err(())
+}
+
+fn takes_apit2(_x: impl Default) {}
+
+fn fully_apit() -> Result<(), ()> {
+    //[e2021]~^ this function depends on never type fallback being `()`
+    //[e2021]~| this was previously accepted by the compiler but is being phased out; it will become a hard error in Rust 2024 and in a future release in all editions!
+    takes_apit2(mk()?);
+    //[e2024]~^ error: the trait bound `!: Default` is not satisfied
+    Ok(())
+}
diff --git a/tests/ui/enum-discriminant/issue-41394.stderr b/tests/ui/enum-discriminant/issue-41394.stderr
index 9bf4fc79b1b..e81562df04f 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 encountered
-  --> $DIR/issue-41394.rs:7:9
-   |
-LL |     A = Foo::A as isize
-   |         ^^^^^^^^^^^^^^^
-
 error: aborting due to 1 previous error
 
 For more information about this error, try `rustc --explain E0369`.
diff --git a/tests/ui/feature-gates/feature-gate-arbitrary-self-types-pointers.stderr b/tests/ui/feature-gates/feature-gate-arbitrary-self-types-pointers.stderr
index 3bb93cf2ea0..0c5b8a4d3b6 100644
--- a/tests/ui/feature-gates/feature-gate-arbitrary-self-types-pointers.stderr
+++ b/tests/ui/feature-gates/feature-gate-arbitrary-self-types-pointers.stderr
@@ -7,7 +7,7 @@ LL |     fn foo(self: *const Self) {}
    = note: see issue #44874 <https://github.com/rust-lang/rust/issues/44874> for more information
    = help: add `#![feature(arbitrary_self_types_pointers)]` to the crate attributes to enable
    = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
-   = help: consider changing to `self`, `&self`, `&mut self`, `self: Box<Self>`, `self: Rc<Self>`, `self: Arc<Self>`, or `self: Pin<P>` (where P is one of the previous types except `Self`)
+   = help: consider changing to `self`, `&self`, `&mut self`, or a type implementing `Receiver` such as `self: Box<Self>`, `self: Rc<Self>`, or `self: Arc<Self>`
 
 error[E0658]: `*mut Bar` cannot be used as the type of `self` without the `arbitrary_self_types_pointers` feature
   --> $DIR/feature-gate-arbitrary-self-types-pointers.rs:12:18
@@ -18,7 +18,7 @@ LL |     fn bar(self: *mut Self) {}
    = note: see issue #44874 <https://github.com/rust-lang/rust/issues/44874> for more information
    = help: add `#![feature(arbitrary_self_types_pointers)]` to the crate attributes to enable
    = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
-   = help: consider changing to `self`, `&self`, `&mut self`, `self: Box<Self>`, `self: Rc<Self>`, `self: Arc<Self>`, or `self: Pin<P>` (where P is one of the previous types except `Self`)
+   = help: consider changing to `self`, `&self`, `&mut self`, or a type implementing `Receiver` such as `self: Box<Self>`, `self: Rc<Self>`, or `self: Arc<Self>`
 
 error[E0658]: `*const Self` cannot be used as the type of `self` without the `arbitrary_self_types_pointers` feature
   --> $DIR/feature-gate-arbitrary-self-types-pointers.rs:2:18
@@ -29,7 +29,7 @@ LL |     fn foo(self: *const Self);
    = note: see issue #44874 <https://github.com/rust-lang/rust/issues/44874> for more information
    = help: add `#![feature(arbitrary_self_types_pointers)]` to the crate attributes to enable
    = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
-   = help: consider changing to `self`, `&self`, `&mut self`, `self: Box<Self>`, `self: Rc<Self>`, `self: Arc<Self>`, or `self: Pin<P>` (where P is one of the previous types except `Self`)
+   = help: consider changing to `self`, `&self`, `&mut self`, or a type implementing `Receiver` such as `self: Box<Self>`, `self: Rc<Self>`, or `self: Arc<Self>`
 
 error: aborting due to 3 previous errors
 
diff --git a/tests/ui/feature-gates/feature-gate-arbitrary-self-types.stderr b/tests/ui/feature-gates/feature-gate-arbitrary-self-types.stderr
index 7f0e02c91f8..3ffba533d63 100644
--- a/tests/ui/feature-gates/feature-gate-arbitrary-self-types.stderr
+++ b/tests/ui/feature-gates/feature-gate-arbitrary-self-types.stderr
@@ -7,7 +7,7 @@ LL |     fn foo(self: Ptr<Self>) {}
    = note: see issue #44874 <https://github.com/rust-lang/rust/issues/44874> for more information
    = help: add `#![feature(arbitrary_self_types)]` to the crate attributes to enable
    = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
-   = help: consider changing to `self`, `&self`, `&mut self`, `self: Box<Self>`, `self: Rc<Self>`, `self: Arc<Self>`, or `self: Pin<P>` (where P is one of the previous types except `Self`)
+   = help: consider changing to `self`, `&self`, `&mut self`, or a type implementing `Receiver` such as `self: Box<Self>`, `self: Rc<Self>`, or `self: Arc<Self>`
 
 error[E0658]: `Box<Ptr<Bar>>` cannot be used as the type of `self` without the `arbitrary_self_types` feature
   --> $DIR/feature-gate-arbitrary-self-types.rs:26:18
@@ -18,7 +18,7 @@ LL |     fn bar(self: Box<Ptr<Self>>) {}
    = note: see issue #44874 <https://github.com/rust-lang/rust/issues/44874> for more information
    = help: add `#![feature(arbitrary_self_types)]` to the crate attributes to enable
    = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
-   = help: consider changing to `self`, `&self`, `&mut self`, `self: Box<Self>`, `self: Rc<Self>`, `self: Arc<Self>`, or `self: Pin<P>` (where P is one of the previous types except `Self`)
+   = help: consider changing to `self`, `&self`, `&mut self`, or a type implementing `Receiver` such as `self: Box<Self>`, `self: Rc<Self>`, or `self: Arc<Self>`
 
 error[E0658]: `Ptr<Self>` cannot be used as the type of `self` without the `arbitrary_self_types` feature
   --> $DIR/feature-gate-arbitrary-self-types.rs:16:18
@@ -29,7 +29,7 @@ LL |     fn foo(self: Ptr<Self>);
    = note: see issue #44874 <https://github.com/rust-lang/rust/issues/44874> for more information
    = help: add `#![feature(arbitrary_self_types)]` to the crate attributes to enable
    = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
-   = help: consider changing to `self`, `&self`, `&mut self`, `self: Box<Self>`, `self: Rc<Self>`, `self: Arc<Self>`, or `self: Pin<P>` (where P is one of the previous types except `Self`)
+   = help: consider changing to `self`, `&self`, `&mut self`, or a type implementing `Receiver` such as `self: Box<Self>`, `self: Rc<Self>`, or `self: Arc<Self>`
 
 error: aborting due to 3 previous errors
 
diff --git a/tests/ui/feature-gates/feature-gate-arbitrary_self_types-raw-pointer.stderr b/tests/ui/feature-gates/feature-gate-arbitrary_self_types-raw-pointer.stderr
index 856e0595331..3eb87adb33a 100644
--- a/tests/ui/feature-gates/feature-gate-arbitrary_self_types-raw-pointer.stderr
+++ b/tests/ui/feature-gates/feature-gate-arbitrary_self_types-raw-pointer.stderr
@@ -7,7 +7,7 @@ LL |     fn foo(self: *const Self) {}
    = note: see issue #44874 <https://github.com/rust-lang/rust/issues/44874> for more information
    = help: add `#![feature(arbitrary_self_types_pointers)]` to the crate attributes to enable
    = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
-   = help: consider changing to `self`, `&self`, `&mut self`, `self: Box<Self>`, `self: Rc<Self>`, `self: Arc<Self>`, or `self: Pin<P>` (where P is one of the previous types except `Self`)
+   = help: consider changing to `self`, `&self`, `&mut self`, or a type implementing `Receiver` such as `self: Box<Self>`, `self: Rc<Self>`, or `self: Arc<Self>`
 
 error[E0658]: `*const ()` cannot be used as the type of `self` without the `arbitrary_self_types_pointers` feature
   --> $DIR/feature-gate-arbitrary_self_types-raw-pointer.rs:14:18
@@ -18,7 +18,7 @@ LL |     fn bar(self: *const Self) {}
    = note: see issue #44874 <https://github.com/rust-lang/rust/issues/44874> for more information
    = help: add `#![feature(arbitrary_self_types_pointers)]` to the crate attributes to enable
    = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
-   = help: consider changing to `self`, `&self`, `&mut self`, `self: Box<Self>`, `self: Rc<Self>`, `self: Arc<Self>`, or `self: Pin<P>` (where P is one of the previous types except `Self`)
+   = help: consider changing to `self`, `&self`, `&mut self`, or a type implementing `Receiver` such as `self: Box<Self>`, `self: Rc<Self>`, or `self: Arc<Self>`
 
 error[E0658]: `*const Self` cannot be used as the type of `self` without the `arbitrary_self_types_pointers` feature
   --> $DIR/feature-gate-arbitrary_self_types-raw-pointer.rs:9:18
@@ -29,7 +29,7 @@ LL |     fn bar(self: *const Self);
    = note: see issue #44874 <https://github.com/rust-lang/rust/issues/44874> for more information
    = help: add `#![feature(arbitrary_self_types_pointers)]` to the crate attributes to enable
    = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
-   = help: consider changing to `self`, `&self`, `&mut self`, `self: Box<Self>`, `self: Rc<Self>`, `self: Arc<Self>`, or `self: Pin<P>` (where P is one of the previous types except `Self`)
+   = help: consider changing to `self`, `&self`, `&mut self`, or a type implementing `Receiver` such as `self: Box<Self>`, `self: Rc<Self>`, or `self: Arc<Self>`
 
 error: aborting due to 3 previous errors
 
diff --git a/tests/ui/feature-gates/feature-gate-async-fn-in-dyn-trait.rs b/tests/ui/feature-gates/feature-gate-async-fn-in-dyn-trait.rs
new file mode 100644
index 00000000000..d9ff45f57ec
--- /dev/null
+++ b/tests/ui/feature-gates/feature-gate-async-fn-in-dyn-trait.rs
@@ -0,0 +1,14 @@
+//@ edition: 2021
+
+trait Foo {
+    async fn bar(&self);
+}
+
+async fn takes_dyn_trait(x: &dyn Foo) {
+    //~^ ERROR the trait `Foo` cannot be made into an object
+    x.bar().await;
+    //~^ ERROR the trait `Foo` cannot be made into an object
+    //~| ERROR the trait `Foo` cannot be made into an object
+}
+
+fn main() {}
diff --git a/tests/ui/feature-gates/feature-gate-async-fn-in-dyn-trait.stderr b/tests/ui/feature-gates/feature-gate-async-fn-in-dyn-trait.stderr
new file mode 100644
index 00000000000..f78fc422410
--- /dev/null
+++ b/tests/ui/feature-gates/feature-gate-async-fn-in-dyn-trait.stderr
@@ -0,0 +1,48 @@
+error[E0038]: the trait `Foo` cannot be made into an object
+  --> $DIR/feature-gate-async-fn-in-dyn-trait.rs:7:30
+   |
+LL | async fn takes_dyn_trait(x: &dyn Foo) {
+   |                              ^^^^^^^ `Foo` cannot be made into an object
+   |
+note: for a trait to be "dyn-compatible" 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/feature-gate-async-fn-in-dyn-trait.rs:4:14
+   |
+LL | trait Foo {
+   |       --- this trait cannot be made into an object...
+LL |     async fn bar(&self);
+   |              ^^^ ...because method `bar` is `async`
+   = help: consider moving `bar` to another trait
+
+error[E0038]: the trait `Foo` cannot be made into an object
+  --> $DIR/feature-gate-async-fn-in-dyn-trait.rs:9:7
+   |
+LL |     x.bar().await;
+   |       ^^^ `Foo` cannot be made into an object
+   |
+note: for a trait to be "dyn-compatible" 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/feature-gate-async-fn-in-dyn-trait.rs:4:14
+   |
+LL | trait Foo {
+   |       --- this trait cannot be made into an object...
+LL |     async fn bar(&self);
+   |              ^^^ ...because method `bar` is `async`
+   = help: consider moving `bar` to another trait
+
+error[E0038]: the trait `Foo` cannot be made into an object
+  --> $DIR/feature-gate-async-fn-in-dyn-trait.rs:9:5
+   |
+LL |     x.bar().await;
+   |     ^^^^^^^ `Foo` cannot be made into an object
+   |
+note: for a trait to be "dyn-compatible" 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/feature-gate-async-fn-in-dyn-trait.rs:4:14
+   |
+LL | trait Foo {
+   |       --- this trait cannot be made into an object...
+LL |     async fn bar(&self);
+   |              ^^^ ...because method `bar` is `async`
+   = help: consider moving `bar` to another trait
+
+error: aborting due to 3 previous errors
+
+For more information about this error, try `rustc --explain E0038`.
diff --git a/tests/ui/feature-gates/feature-gate-async-trait-bounds.rs b/tests/ui/feature-gates/feature-gate-async-trait-bounds.rs
index db5d7aa06d2..210ce60ef11 100644
--- a/tests/ui/feature-gates/feature-gate-async-trait-bounds.rs
+++ b/tests/ui/feature-gates/feature-gate-async-trait-bounds.rs
@@ -2,6 +2,5 @@
 
 fn test(_: impl async Fn()) {}
 //~^ ERROR `async` trait bounds are unstable
-//~| ERROR use of unstable library feature `async_closure`
 
 fn main() {}
diff --git a/tests/ui/feature-gates/feature-gate-async-trait-bounds.stderr b/tests/ui/feature-gates/feature-gate-async-trait-bounds.stderr
index abc7e37c45f..34727aef975 100644
--- a/tests/ui/feature-gates/feature-gate-async-trait-bounds.stderr
+++ b/tests/ui/feature-gates/feature-gate-async-trait-bounds.stderr
@@ -9,16 +9,6 @@ LL | fn test(_: impl async Fn()) {}
    = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
    = help: use the desugared name of the async trait, such as `AsyncFn`
 
-error[E0658]: use of unstable library feature `async_closure`
-  --> $DIR/feature-gate-async-trait-bounds.rs:3:23
-   |
-LL | fn test(_: impl async Fn()) {}
-   |                       ^^^^
-   |
-   = note: see issue #62290 <https://github.com/rust-lang/rust/issues/62290> for more information
-   = help: add `#![feature(async_closure)]` to the crate attributes to enable
-   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
-
-error: aborting due to 2 previous errors
+error: aborting due to 1 previous error
 
 For more information about this error, try `rustc --explain E0658`.
diff --git a/tests/ui/feature-gates/feature-gate-dispatch-from-dyn-cell.stderr b/tests/ui/feature-gates/feature-gate-dispatch-from-dyn-cell.stderr
index 2150effc3b7..eb9e51a04c3 100644
--- a/tests/ui/feature-gates/feature-gate-dispatch-from-dyn-cell.stderr
+++ b/tests/ui/feature-gates/feature-gate-dispatch-from-dyn-cell.stderr
@@ -4,8 +4,8 @@ error[E0307]: invalid `self` parameter type: `Cell<&Self>`
 LL |     fn cell(self: Cell<&Self>);
    |                   ^^^^^^^^^^^
    |
-   = note: type of `self` must be `Self` or a type that dereferences to it
-   = help: consider changing to `self`, `&self`, `&mut self`, `self: Box<Self>`, `self: Rc<Self>`, `self: Arc<Self>`, or `self: Pin<P>` (where P is one of the previous types except `Self`)
+   = note: type of `self` must be `Self` or some type implementing `Receiver`
+   = help: consider changing to `self`, `&self`, `&mut self`, or a type implementing `Receiver` such as `self: Box<Self>`, `self: Rc<Self>`, or `self: Arc<Self>`
 
 error: aborting due to 1 previous error
 
diff --git a/tests/ui/feature-gates/feature-gate-unsafe-binders.rs b/tests/ui/feature-gates/feature-gate-unsafe-binders.rs
new file mode 100644
index 00000000000..a2997ced4fa
--- /dev/null
+++ b/tests/ui/feature-gates/feature-gate-unsafe-binders.rs
@@ -0,0 +1,7 @@
+#[cfg(any())]
+fn test() {
+    let x: unsafe<> ();
+    //~^ ERROR unsafe binder types are experimental
+}
+
+fn main() {}
diff --git a/tests/ui/feature-gates/feature-gate-unsafe-binders.stderr b/tests/ui/feature-gates/feature-gate-unsafe-binders.stderr
new file mode 100644
index 00000000000..93997d6c14a
--- /dev/null
+++ b/tests/ui/feature-gates/feature-gate-unsafe-binders.stderr
@@ -0,0 +1,13 @@
+error[E0658]: unsafe binder types are experimental
+  --> $DIR/feature-gate-unsafe-binders.rs:3:12
+   |
+LL |     let x: unsafe<> ();
+   |            ^^^^^^^^^^^
+   |
+   = note: see issue #130516 <https://github.com/rust-lang/rust/issues/130516> for more information
+   = help: add `#![feature(unsafe_binders)]` to the crate attributes to enable
+   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
+
+error: aborting due to 1 previous error
+
+For more information about this error, try `rustc --explain E0658`.
diff --git a/tests/ui/anonymous-higher-ranked-lifetime.rs b/tests/ui/higher-ranked/anonymous-higher-ranked-lifetime.rs
index 898fe22fa23..8d8d0e71067 100644
--- a/tests/ui/anonymous-higher-ranked-lifetime.rs
+++ b/tests/ui/higher-ranked/anonymous-higher-ranked-lifetime.rs
@@ -1,3 +1,9 @@
+//! Diagnostics test to check that higher-ranked lifetimes are properly named when being pretty
+//! printed in diagnostics.
+//!
+//! Issue: <https://github.com/rust-lang/rust/issues/44887>
+//! PR: <https://github.com/rust-lang/rust/pull/44888>
+
 fn main() {
     f1(|_: (), _: ()| {}); //~ ERROR type mismatch
     f2(|_: (), _: ()| {}); //~ ERROR type mismatch
diff --git a/tests/ui/anonymous-higher-ranked-lifetime.stderr b/tests/ui/higher-ranked/anonymous-higher-ranked-lifetime.stderr
index c28d856ad55..7e0cdba6ff2 100644
--- a/tests/ui/anonymous-higher-ranked-lifetime.stderr
+++ b/tests/ui/higher-ranked/anonymous-higher-ranked-lifetime.stderr
@@ -1,5 +1,5 @@
 error[E0631]: type mismatch in closure arguments
-  --> $DIR/anonymous-higher-ranked-lifetime.rs:2:5
+  --> $DIR/anonymous-higher-ranked-lifetime.rs:8:5
    |
 LL |     f1(|_: (), _: ()| {});
    |     ^^^--------------^^^^
@@ -10,7 +10,7 @@ LL |     f1(|_: (), _: ()| {});
    = note: expected closure signature `for<'a, 'b> fn(&'a (), &'b ()) -> _`
               found closure signature `fn((), ()) -> _`
 note: required by a bound in `f1`
-  --> $DIR/anonymous-higher-ranked-lifetime.rs:16:25
+  --> $DIR/anonymous-higher-ranked-lifetime.rs:22:25
    |
 LL | fn f1<F>(_: F) where F: Fn(&(), &()) {}
    |                         ^^^^^^^^^^^^ required by this bound in `f1`
@@ -20,7 +20,7 @@ LL |     f1(|_: &(), _: &()| {});
    |            +       +
 
 error[E0631]: type mismatch in closure arguments
-  --> $DIR/anonymous-higher-ranked-lifetime.rs:3:5
+  --> $DIR/anonymous-higher-ranked-lifetime.rs:9:5
    |
 LL |     f2(|_: (), _: ()| {});
    |     ^^^--------------^^^^
@@ -31,7 +31,7 @@ LL |     f2(|_: (), _: ()| {});
    = note: expected closure signature `for<'a, 'b> fn(&'a (), &'b ()) -> _`
               found closure signature `fn((), ()) -> _`
 note: required by a bound in `f2`
-  --> $DIR/anonymous-higher-ranked-lifetime.rs:17:25
+  --> $DIR/anonymous-higher-ranked-lifetime.rs:23:25
    |
 LL | fn f2<F>(_: F) where F: for<'a> Fn(&'a (), &()) {}
    |                         ^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `f2`
@@ -41,7 +41,7 @@ LL |     f2(|_: &(), _: &()| {});
    |            +       +
 
 error[E0631]: type mismatch in closure arguments
-  --> $DIR/anonymous-higher-ranked-lifetime.rs:4:5
+  --> $DIR/anonymous-higher-ranked-lifetime.rs:10:5
    |
 LL |     f3(|_: (), _: ()| {});
    |     ^^^--------------^^^^
@@ -52,7 +52,7 @@ LL |     f3(|_: (), _: ()| {});
    = note: expected closure signature `for<'a> fn(&(), &'a ()) -> _`
               found closure signature `fn((), ()) -> _`
 note: required by a bound in `f3`
-  --> $DIR/anonymous-higher-ranked-lifetime.rs:18:29
+  --> $DIR/anonymous-higher-ranked-lifetime.rs:24:29
    |
 LL | fn f3<'a, F>(_: F) where F: Fn(&'a (), &()) {}
    |                             ^^^^^^^^^^^^^^^ required by this bound in `f3`
@@ -62,7 +62,7 @@ LL |     f3(|_: &(), _: &()| {});
    |            +       +
 
 error[E0631]: type mismatch in closure arguments
-  --> $DIR/anonymous-higher-ranked-lifetime.rs:5:5
+  --> $DIR/anonymous-higher-ranked-lifetime.rs:11:5
    |
 LL |     f4(|_: (), _: ()| {});
    |     ^^^--------------^^^^
@@ -73,7 +73,7 @@ LL |     f4(|_: (), _: ()| {});
    = note: expected closure signature `for<'a, 'r> fn(&'a (), &'r ()) -> _`
               found closure signature `fn((), ()) -> _`
 note: required by a bound in `f4`
-  --> $DIR/anonymous-higher-ranked-lifetime.rs:19:25
+  --> $DIR/anonymous-higher-ranked-lifetime.rs:25:25
    |
 LL | fn f4<F>(_: F) where F: for<'r> Fn(&(), &'r ()) {}
    |                         ^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `f4`
@@ -83,7 +83,7 @@ LL |     f4(|_: &(), _: &()| {});
    |            +       +
 
 error[E0631]: type mismatch in closure arguments
-  --> $DIR/anonymous-higher-ranked-lifetime.rs:6:5
+  --> $DIR/anonymous-higher-ranked-lifetime.rs:12:5
    |
 LL |     f5(|_: (), _: ()| {});
    |     ^^^--------------^^^^
@@ -94,7 +94,7 @@ LL |     f5(|_: (), _: ()| {});
    = note: expected closure signature `for<'r> fn(&'r (), &'r ()) -> _`
               found closure signature `fn((), ()) -> _`
 note: required by a bound in `f5`
-  --> $DIR/anonymous-higher-ranked-lifetime.rs:20:25
+  --> $DIR/anonymous-higher-ranked-lifetime.rs:26:25
    |
 LL | fn f5<F>(_: F) where F: for<'r> Fn(&'r (), &'r ()) {}
    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `f5`
@@ -104,7 +104,7 @@ LL |     f5(|_: &(), _: &()| {});
    |            +       +
 
 error[E0631]: type mismatch in closure arguments
-  --> $DIR/anonymous-higher-ranked-lifetime.rs:7:5
+  --> $DIR/anonymous-higher-ranked-lifetime.rs:13:5
    |
 LL |     g1(|_: (), _: ()| {});
    |     ^^^--------------^^^^
@@ -115,7 +115,7 @@ LL |     g1(|_: (), _: ()| {});
    = note: expected closure signature `for<'a> fn(&'a (), Box<(dyn for<'a> Fn(&'a ()) + 'static)>) -> _`
               found closure signature `fn((), ()) -> _`
 note: required by a bound in `g1`
-  --> $DIR/anonymous-higher-ranked-lifetime.rs:23:25
+  --> $DIR/anonymous-higher-ranked-lifetime.rs:29:25
    |
 LL | fn g1<F>(_: F) where F: Fn(&(), Box<dyn Fn(&())>) {}
    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `g1`
@@ -125,7 +125,7 @@ LL |     g1(|_: &(), _: ()| {});
    |            +
 
 error[E0631]: type mismatch in closure arguments
-  --> $DIR/anonymous-higher-ranked-lifetime.rs:8:5
+  --> $DIR/anonymous-higher-ranked-lifetime.rs:14:5
    |
 LL |     g2(|_: (), _: ()| {});
    |     ^^^--------------^^^^
@@ -136,7 +136,7 @@ LL |     g2(|_: (), _: ()| {});
    = note: expected closure signature `for<'a> fn(&'a (), for<'a> fn(&'a ())) -> _`
               found closure signature `fn((), ()) -> _`
 note: required by a bound in `g2`
-  --> $DIR/anonymous-higher-ranked-lifetime.rs:24:25
+  --> $DIR/anonymous-higher-ranked-lifetime.rs:30:25
    |
 LL | fn g2<F>(_: F) where F: Fn(&(), fn(&())) {}
    |                         ^^^^^^^^^^^^^^^^ required by this bound in `g2`
@@ -146,7 +146,7 @@ LL |     g2(|_: &(), _: ()| {});
    |            +
 
 error[E0631]: type mismatch in closure arguments
-  --> $DIR/anonymous-higher-ranked-lifetime.rs:9:5
+  --> $DIR/anonymous-higher-ranked-lifetime.rs:15:5
    |
 LL |     g3(|_: (), _: ()| {});
    |     ^^^--------------^^^^
@@ -157,7 +157,7 @@ LL |     g3(|_: (), _: ()| {});
    = note: expected closure signature `for<'s> fn(&'s (), Box<(dyn for<'a> Fn(&'a ()) + 'static)>) -> _`
               found closure signature `fn((), ()) -> _`
 note: required by a bound in `g3`
-  --> $DIR/anonymous-higher-ranked-lifetime.rs:25:25
+  --> $DIR/anonymous-higher-ranked-lifetime.rs:31:25
    |
 LL | fn g3<F>(_: F) where F: for<'s> Fn(&'s (), Box<dyn Fn(&())>) {}
    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `g3`
@@ -167,7 +167,7 @@ LL |     g3(|_: &(), _: ()| {});
    |            +
 
 error[E0631]: type mismatch in closure arguments
-  --> $DIR/anonymous-higher-ranked-lifetime.rs:10:5
+  --> $DIR/anonymous-higher-ranked-lifetime.rs:16:5
    |
 LL |     g4(|_: (), _: ()| {});
    |     ^^^--------------^^^^
@@ -178,7 +178,7 @@ LL |     g4(|_: (), _: ()| {});
    = note: expected closure signature `for<'a> fn(&'a (), for<'r> fn(&'r ())) -> _`
               found closure signature `fn((), ()) -> _`
 note: required by a bound in `g4`
-  --> $DIR/anonymous-higher-ranked-lifetime.rs:26:25
+  --> $DIR/anonymous-higher-ranked-lifetime.rs:32:25
    |
 LL | fn g4<F>(_: F) where F: Fn(&(), for<'r> fn(&'r ())) {}
    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `g4`
@@ -188,7 +188,7 @@ LL |     g4(|_: &(), _: ()| {});
    |            +
 
 error[E0631]: type mismatch in closure arguments
-  --> $DIR/anonymous-higher-ranked-lifetime.rs:11:5
+  --> $DIR/anonymous-higher-ranked-lifetime.rs:17:5
    |
 LL |     h1(|_: (), _: (), _: (), _: ()| {});
    |     ^^^----------------------------^^^^
@@ -199,7 +199,7 @@ LL |     h1(|_: (), _: (), _: (), _: ()| {});
    = note: expected closure signature `for<'a, 'b> fn(&'a (), Box<(dyn for<'a> Fn(&'a ()) + 'static)>, &'b (), for<'a, 'b> fn(&'a (), &'b ())) -> _`
               found closure signature `fn((), (), (), ()) -> _`
 note: required by a bound in `h1`
-  --> $DIR/anonymous-higher-ranked-lifetime.rs:29:25
+  --> $DIR/anonymous-higher-ranked-lifetime.rs:35:25
    |
 LL | fn h1<F>(_: F) where F: Fn(&(), Box<dyn Fn(&())>, &(), fn(&(), &())) {}
    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `h1`
@@ -209,7 +209,7 @@ LL |     h1(|_: &(), _: (), _: &(), _: ()| {});
    |            +              +
 
 error[E0631]: type mismatch in closure arguments
-  --> $DIR/anonymous-higher-ranked-lifetime.rs:12:5
+  --> $DIR/anonymous-higher-ranked-lifetime.rs:18:5
    |
 LL |     h2(|_: (), _: (), _: (), _: ()| {});
    |     ^^^----------------------------^^^^
@@ -220,7 +220,7 @@ LL |     h2(|_: (), _: (), _: (), _: ()| {});
    = note: expected closure signature `for<'a, 't0> fn(&'a (), Box<(dyn for<'a> Fn(&'a ()) + 'static)>, &'t0 (), for<'a, 'b> fn(&'a (), &'b ())) -> _`
               found closure signature `fn((), (), (), ()) -> _`
 note: required by a bound in `h2`
-  --> $DIR/anonymous-higher-ranked-lifetime.rs:30:25
+  --> $DIR/anonymous-higher-ranked-lifetime.rs:36:25
    |
 LL | fn h2<F>(_: F) where F: for<'t0> Fn(&(), Box<dyn Fn(&())>, &'t0 (), fn(&(), &())) {}
    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `h2`
diff --git a/tests/ui/impl-trait/in-trait/sized-rpits-dont-need-pointer-like.rs b/tests/ui/impl-trait/in-trait/sized-rpits-dont-need-pointer-like.rs
new file mode 100644
index 00000000000..80850a2639f
--- /dev/null
+++ b/tests/ui/impl-trait/in-trait/sized-rpits-dont-need-pointer-like.rs
@@ -0,0 +1,13 @@
+//@ check-pass
+
+// Make sure that we don't enforce that an RPIT that has `where Self: Sized` is pointer-like.
+
+trait Foo {
+    fn foo() -> impl Sized where Self: Sized {}
+}
+
+impl Foo for () {}
+
+fn main() {
+    let x: &dyn Foo = &();
+}
diff --git a/tests/ui/impl-trait/normalize-tait-in-const.stderr b/tests/ui/impl-trait/normalize-tait-in-const.stderr
index 1dd84f10ad8..0f79cefeaec 100644
--- a/tests/ui/impl-trait/normalize-tait-in-const.stderr
+++ b/tests/ui/impl-trait/normalize-tait-in-const.stderr
@@ -2,14 +2,19 @@ error: `~const` can only be applied to `#[const_trait]` traits
   --> $DIR/normalize-tait-in-const.rs:26:35
    |
 LL | const fn with_positive<F: for<'a> ~const Fn(&'a Alias<'a>) + ~const Destruct>(fun: F) {
-   |                                   ^^^^^^
+   |                                   ^^^^^^ can't be applied to `Fn`
+   |
+note: `Fn` can't be used with `~const` because it isn't annotated with `#[const_trait]`
+  --> $SRC_DIR/core/src/ops/function.rs:LL:COL
 
 error: `~const` can only be applied to `#[const_trait]` traits
   --> $DIR/normalize-tait-in-const.rs:26:35
    |
 LL | const fn with_positive<F: for<'a> ~const Fn(&'a Alias<'a>) + ~const Destruct>(fun: F) {
-   |                                   ^^^^^^
+   |                                   ^^^^^^ can't be applied to `Fn`
    |
+note: `Fn` can't be used with `~const` because it isn't annotated with `#[const_trait]`
+  --> $SRC_DIR/core/src/ops/function.rs:LL:COL
    = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
 
 error[E0277]: the trait bound `for<'a, 'b> fn(&'a foo::Alias<'b>) {foo}: const Destruct` is not satisfied
diff --git a/tests/ui/impl-trait/precise-capturing/overcaptures-2024.fixed b/tests/ui/impl-trait/precise-capturing/overcaptures-2024.fixed
index 1eb88c71d54..ef8dd055a8a 100644
--- a/tests/ui/impl-trait/precise-capturing/overcaptures-2024.fixed
+++ b/tests/ui/impl-trait/precise-capturing/overcaptures-2024.fixed
@@ -42,4 +42,8 @@ async fn async_fn<'a>(x: &'a ()) -> impl Sized + use<> {}
 //~^ ERROR `impl Sized` will capture more lifetimes than possibly intended in edition 2024
 //~| WARN this changes meaning in Rust 2024
 
+pub fn parens(x: &i32) -> &(impl Clone + use<>) { x }
+//~^ ERROR `impl Clone` will capture more lifetimes than possibly intended in edition 2024
+//~| WARN this changes meaning in Rust 2024
+
 fn main() {}
diff --git a/tests/ui/impl-trait/precise-capturing/overcaptures-2024.rs b/tests/ui/impl-trait/precise-capturing/overcaptures-2024.rs
index 6f1ef6a472f..ce1cfe1246f 100644
--- a/tests/ui/impl-trait/precise-capturing/overcaptures-2024.rs
+++ b/tests/ui/impl-trait/precise-capturing/overcaptures-2024.rs
@@ -42,4 +42,8 @@ async fn async_fn<'a>(x: &'a ()) -> impl Sized {}
 //~^ ERROR `impl Sized` will capture more lifetimes than possibly intended in edition 2024
 //~| WARN this changes meaning in Rust 2024
 
+pub fn parens(x: &i32) -> &impl Clone { x }
+//~^ ERROR `impl Clone` will capture more lifetimes than possibly intended in edition 2024
+//~| WARN this changes meaning in Rust 2024
+
 fn main() {}
diff --git a/tests/ui/impl-trait/precise-capturing/overcaptures-2024.stderr b/tests/ui/impl-trait/precise-capturing/overcaptures-2024.stderr
index 63c87cd46c8..965f8e7b672 100644
--- a/tests/ui/impl-trait/precise-capturing/overcaptures-2024.stderr
+++ b/tests/ui/impl-trait/precise-capturing/overcaptures-2024.stderr
@@ -146,5 +146,24 @@ help: use the precise capturing `use<...>` syntax to make the captures explicit
 LL | async fn async_fn<'a>(x: &'a ()) -> impl Sized + use<> {}
    |                                                +++++++
 
-error: aborting due to 7 previous errors
+error: `impl Clone` will capture more lifetimes than possibly intended in edition 2024
+  --> $DIR/overcaptures-2024.rs:45:28
+   |
+LL | pub fn parens(x: &i32) -> &impl Clone { x }
+   |                            ^^^^^^^^^^
+   |
+   = warning: this changes meaning in Rust 2024
+   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/rpit-lifetime-capture.html>
+note: specifically, this lifetime is in scope but not mentioned in the type's bounds
+  --> $DIR/overcaptures-2024.rs:45:18
+   |
+LL | pub fn parens(x: &i32) -> &impl Clone { x }
+   |                  ^
+   = note: all lifetimes in scope will be captured by `impl Trait`s in edition 2024
+help: use the precise capturing `use<...>` syntax to make the captures explicit
+   |
+LL | pub fn parens(x: &i32) -> &(impl Clone + use<>) { x }
+   |                            +           ++++++++
+
+error: aborting due to 8 previous errors
 
diff --git a/tests/ui/issues/auxiliary/issue-111011.rs b/tests/ui/issues/auxiliary/issue-111011.rs
index 7130234f41e..0c1a8ce1cf6 100644
--- a/tests/ui/issues/auxiliary/issue-111011.rs
+++ b/tests/ui/issues/auxiliary/issue-111011.rs
@@ -1,5 +1,3 @@
-#![feature(async_closure)]
-
 //@ edition:2021
 
 fn foo<X>(x: impl FnOnce() -> Box<X>) {}
diff --git a/tests/ui/issues/issue-56806.stderr b/tests/ui/issues/issue-56806.stderr
index ec50d863758..4b0a59fe12d 100644
--- a/tests/ui/issues/issue-56806.stderr
+++ b/tests/ui/issues/issue-56806.stderr
@@ -4,8 +4,8 @@ error[E0307]: invalid `self` parameter type: `Box<(dyn Trait + 'static)>`
 LL |     fn dyn_instead_of_self(self: Box<dyn Trait>);
    |                                  ^^^^^^^^^^^^^^
    |
-   = note: type of `self` must be `Self` or a type that dereferences to it
-   = help: consider changing to `self`, `&self`, `&mut self`, `self: Box<Self>`, `self: Rc<Self>`, `self: Arc<Self>`, or `self: Pin<P>` (where P is one of the previous types except `Self`)
+   = note: type of `self` must be `Self` or some type implementing `Receiver`
+   = help: consider changing to `self`, `&self`, `&mut self`, or a type implementing `Receiver` such as `self: Box<Self>`, `self: Rc<Self>`, or `self: Arc<Self>`
 
 error: aborting due to 1 previous error
 
diff --git a/tests/ui/layout/base-layout-is-sized-ice-123078.stderr b/tests/ui/layout/base-layout-is-sized-ice-123078.stderr
index ee7f5162552..455bd2cbf8b 100644
--- a/tests/ui/layout/base-layout-is-sized-ice-123078.stderr
+++ b/tests/ui/layout/base-layout-is-sized-ice-123078.stderr
@@ -25,12 +25,6 @@ LL | const C: S = unsafe { std::mem::transmute(()) };
    = note: source type: `()` (0 bits)
    = note: target type: `S` (size can vary because of [u8])
 
-note: erroneous constant encountered
-  --> $DIR/base-layout-is-sized-ice-123078.rs:13:5
-   |
-LL |     C;
-   |     ^
-
 error: aborting due to 2 previous errors
 
 Some errors have detailed explanations: E0277, E0512.
diff --git a/tests/ui/layout/post-mono-layout-cycle-2.rs b/tests/ui/layout/post-mono-layout-cycle-2.rs
index 2159dee7463..2daac12d7ac 100644
--- a/tests/ui/layout/post-mono-layout-cycle-2.rs
+++ b/tests/ui/layout/post-mono-layout-cycle-2.rs
@@ -1,8 +1,6 @@
 //@ build-fail
 //@ edition: 2021
 
-#![feature(async_closure)]
-
 use std::future::Future;
 use std::pin::pin;
 use std::task::*;
diff --git a/tests/ui/layout/post-mono-layout-cycle-2.stderr b/tests/ui/layout/post-mono-layout-cycle-2.stderr
index 2e8d237844e..d8c51deffe3 100644
--- a/tests/ui/layout/post-mono-layout-cycle-2.stderr
+++ b/tests/ui/layout/post-mono-layout-cycle-2.stderr
@@ -1,5 +1,5 @@
 error[E0733]: recursion in an async fn requires boxing
-  --> $DIR/post-mono-layout-cycle-2.rs:30:5
+  --> $DIR/post-mono-layout-cycle-2.rs:28:5
    |
 LL | /     async fn iter<T>(&mut self, iterator: T)
 LL | |
@@ -13,7 +13,7 @@ LL |           Blah::iter(self, iterator).await
    = note: a recursive `async fn` call must introduce indirection such as `Box::pin` to avoid an infinitely sized future
 
 note: the above error was encountered while instantiating `fn Wrap::<()>::ice`
-  --> $DIR/post-mono-layout-cycle-2.rs:56:9
+  --> $DIR/post-mono-layout-cycle-2.rs:54:9
    |
 LL |         t.ice();
    |         ^^^^^^^
diff --git a/tests/ui/lifetimes/could-not-resolve-issue-121503.stderr b/tests/ui/lifetimes/could-not-resolve-issue-121503.stderr
index 3babf63347c..46804642af8 100644
--- a/tests/ui/lifetimes/could-not-resolve-issue-121503.stderr
+++ b/tests/ui/lifetimes/could-not-resolve-issue-121503.stderr
@@ -7,7 +7,7 @@ LL |     async fn box_ref_Struct(self: Box<Self, impl FnMut(&mut Self)>) -> &u32
    = note: see issue #44874 <https://github.com/rust-lang/rust/issues/44874> for more information
    = help: add `#![feature(arbitrary_self_types)]` to the crate attributes to enable
    = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
-   = help: consider changing to `self`, `&self`, `&mut self`, `self: Box<Self>`, `self: Rc<Self>`, `self: Arc<Self>`, or `self: Pin<P>` (where P is one of the previous types except `Self`)
+   = help: consider changing to `self`, `&self`, `&mut self`, or a type implementing `Receiver` such as `self: Box<Self>`, `self: Rc<Self>`, or `self: Arc<Self>`
 
 error: aborting due to 1 previous error
 
diff --git a/tests/ui/lint/unused/lint-unused-mut-variables.rs b/tests/ui/lint/unused/lint-unused-mut-variables.rs
index bc38af9867c..0467e87ce22 100644
--- a/tests/ui/lint/unused/lint-unused-mut-variables.rs
+++ b/tests/ui/lint/unused/lint-unused-mut-variables.rs
@@ -3,7 +3,6 @@
 // Exercise the unused_mut attribute in some positive and negative cases
 
 #![warn(unused_mut)]
-#![feature(async_closure)]
 
 async fn baz_async(
     mut a: i32,
diff --git a/tests/ui/lint/unused/lint-unused-mut-variables.stderr b/tests/ui/lint/unused/lint-unused-mut-variables.stderr
index dcda1e5306f..a16b6a378e9 100644
--- a/tests/ui/lint/unused/lint-unused-mut-variables.stderr
+++ b/tests/ui/lint/unused/lint-unused-mut-variables.stderr
@@ -1,5 +1,5 @@
 warning: variable does not need to be mutable
-  --> $DIR/lint-unused-mut-variables.rs:9:5
+  --> $DIR/lint-unused-mut-variables.rs:8:5
    |
 LL |     mut a: i32,
    |     ----^
@@ -13,7 +13,7 @@ LL | #![warn(unused_mut)]
    |         ^^^^^^^^^^
 
 warning: variable does not need to be mutable
-  --> $DIR/lint-unused-mut-variables.rs:23:9
+  --> $DIR/lint-unused-mut-variables.rs:22:9
    |
 LL |         mut a: i32,
    |         ----^
@@ -21,7 +21,7 @@ LL |         mut a: i32,
    |         help: remove this `mut`
 
 warning: variable does not need to be mutable
-  --> $DIR/lint-unused-mut-variables.rs:14:5
+  --> $DIR/lint-unused-mut-variables.rs:13:5
    |
 LL |     mut a: i32,
    |     ----^
@@ -29,7 +29,7 @@ LL |     mut a: i32,
    |     help: remove this `mut`
 
 warning: variable does not need to be mutable
-  --> $DIR/lint-unused-mut-variables.rs:29:9
+  --> $DIR/lint-unused-mut-variables.rs:28:9
    |
 LL |         mut a: i32,
    |         ----^
@@ -37,7 +37,7 @@ LL |         mut a: i32,
    |         help: remove this `mut`
 
 warning: variable does not need to be mutable
-  --> $DIR/lint-unused-mut-variables.rs:39:9
+  --> $DIR/lint-unused-mut-variables.rs:38:9
    |
 LL |         mut a: i32,
    |         ----^
@@ -45,7 +45,7 @@ LL |         mut a: i32,
    |         help: remove this `mut`
 
 warning: variable does not need to be mutable
-  --> $DIR/lint-unused-mut-variables.rs:48:9
+  --> $DIR/lint-unused-mut-variables.rs:47:9
    |
 LL |         mut a: i32,
    |         ----^
@@ -53,7 +53,7 @@ LL |         mut a: i32,
    |         help: remove this `mut`
 
 warning: variable does not need to be mutable
-  --> $DIR/lint-unused-mut-variables.rs:57:9
+  --> $DIR/lint-unused-mut-variables.rs:56:9
    |
 LL |         mut a: i32,
    |         ----^
@@ -61,7 +61,7 @@ LL |         mut a: i32,
    |         help: remove this `mut`
 
 warning: variable does not need to be mutable
-  --> $DIR/lint-unused-mut-variables.rs:62:9
+  --> $DIR/lint-unused-mut-variables.rs:61:9
    |
 LL |         mut a: i32,
    |         ----^
@@ -69,7 +69,7 @@ LL |         mut a: i32,
    |         help: remove this `mut`
 
 warning: variable does not need to be mutable
-  --> $DIR/lint-unused-mut-variables.rs:107:14
+  --> $DIR/lint-unused-mut-variables.rs:106:14
    |
 LL |     let x = |mut y: isize| 10;
    |              ----^
@@ -77,7 +77,7 @@ LL |     let x = |mut y: isize| 10;
    |              help: remove this `mut`
 
 warning: variable does not need to be mutable
-  --> $DIR/lint-unused-mut-variables.rs:69:9
+  --> $DIR/lint-unused-mut-variables.rs:68:9
    |
 LL |     let mut a = 3;
    |         ----^
@@ -85,7 +85,7 @@ LL |     let mut a = 3;
    |         help: remove this `mut`
 
 warning: variable does not need to be mutable
-  --> $DIR/lint-unused-mut-variables.rs:71:9
+  --> $DIR/lint-unused-mut-variables.rs:70:9
    |
 LL |     let mut a = 2;
    |         ----^
@@ -93,7 +93,7 @@ LL |     let mut a = 2;
    |         help: remove this `mut`
 
 warning: variable does not need to be mutable
-  --> $DIR/lint-unused-mut-variables.rs:73:9
+  --> $DIR/lint-unused-mut-variables.rs:72:9
    |
 LL |     let mut b = 3;
    |         ----^
@@ -101,7 +101,7 @@ LL |     let mut b = 3;
    |         help: remove this `mut`
 
 warning: variable does not need to be mutable
-  --> $DIR/lint-unused-mut-variables.rs:75:9
+  --> $DIR/lint-unused-mut-variables.rs:74:9
    |
 LL |     let mut a = vec![3];
    |         ----^
@@ -109,7 +109,7 @@ LL |     let mut a = vec![3];
    |         help: remove this `mut`
 
 warning: variable does not need to be mutable
-  --> $DIR/lint-unused-mut-variables.rs:77:10
+  --> $DIR/lint-unused-mut-variables.rs:76:10
    |
 LL |     let (mut a, b) = (1, 2);
    |          ----^
@@ -117,7 +117,7 @@ LL |     let (mut a, b) = (1, 2);
    |          help: remove this `mut`
 
 warning: variable does not need to be mutable
-  --> $DIR/lint-unused-mut-variables.rs:79:9
+  --> $DIR/lint-unused-mut-variables.rs:78:9
    |
 LL |     let mut a;
    |         ----^
@@ -125,7 +125,7 @@ LL |     let mut a;
    |         help: remove this `mut`
 
 warning: variable does not need to be mutable
-  --> $DIR/lint-unused-mut-variables.rs:83:9
+  --> $DIR/lint-unused-mut-variables.rs:82:9
    |
 LL |     let mut b;
    |         ----^
@@ -133,7 +133,7 @@ LL |     let mut b;
    |         help: remove this `mut`
 
 warning: variable does not need to be mutable
-  --> $DIR/lint-unused-mut-variables.rs:92:9
+  --> $DIR/lint-unused-mut-variables.rs:91:9
    |
 LL |         mut x => {}
    |         ----^
@@ -141,7 +141,7 @@ LL |         mut x => {}
    |         help: remove this `mut`
 
 warning: variable does not need to be mutable
-  --> $DIR/lint-unused-mut-variables.rs:99:10
+  --> $DIR/lint-unused-mut-variables.rs:98:10
    |
 LL |         (mut x, 1) |
    |          ----^
@@ -149,7 +149,7 @@ LL |         (mut x, 1) |
    |          help: remove this `mut`
 
 warning: variable does not need to be mutable
-  --> $DIR/lint-unused-mut-variables.rs:112:9
+  --> $DIR/lint-unused-mut-variables.rs:111:9
    |
 LL |     let mut a = &mut 5;
    |         ----^
@@ -157,7 +157,7 @@ LL |     let mut a = &mut 5;
    |         help: remove this `mut`
 
 warning: variable does not need to be mutable
-  --> $DIR/lint-unused-mut-variables.rs:117:9
+  --> $DIR/lint-unused-mut-variables.rs:116:9
    |
 LL |     let mut b = (&mut a,);
    |         ----^
@@ -165,7 +165,7 @@ LL |     let mut b = (&mut a,);
    |         help: remove this `mut`
 
 warning: variable does not need to be mutable
-  --> $DIR/lint-unused-mut-variables.rs:120:9
+  --> $DIR/lint-unused-mut-variables.rs:119:9
    |
 LL |     let mut x = &mut 1;
    |         ----^
@@ -173,7 +173,7 @@ LL |     let mut x = &mut 1;
    |         help: remove this `mut`
 
 warning: variable does not need to be mutable
-  --> $DIR/lint-unused-mut-variables.rs:132:9
+  --> $DIR/lint-unused-mut-variables.rs:131:9
    |
 LL |     let mut v : &mut Vec<()> = &mut vec![];
    |         ----^
@@ -181,7 +181,7 @@ LL |     let mut v : &mut Vec<()> = &mut vec![];
    |         help: remove this `mut`
 
 warning: variable does not need to be mutable
-  --> $DIR/lint-unused-mut-variables.rs:187:9
+  --> $DIR/lint-unused-mut-variables.rs:186:9
    |
 LL |     let mut raw_address_of_const = 1;
    |         ----^^^^^^^^^^^^^^^^^^^^
@@ -189,7 +189,7 @@ LL |     let mut raw_address_of_const = 1;
    |         help: remove this `mut`
 
 warning: variable does not need to be mutable
-  --> $DIR/lint-unused-mut-variables.rs:109:13
+  --> $DIR/lint-unused-mut-variables.rs:108:13
    |
 LL |     fn what(mut foo: isize) {}
    |             ----^^^
@@ -197,7 +197,7 @@ LL |     fn what(mut foo: isize) {}
    |             help: remove this `mut`
 
 warning: variable does not need to be mutable
-  --> $DIR/lint-unused-mut-variables.rs:127:20
+  --> $DIR/lint-unused-mut-variables.rs:126:20
    |
 LL |     fn mut_ref_arg(mut arg : &mut [u8]) -> &mut [u8] {
    |                    ----^^^
@@ -205,7 +205,7 @@ LL |     fn mut_ref_arg(mut arg : &mut [u8]) -> &mut [u8] {
    |                    help: remove this `mut`
 
 error: variable does not need to be mutable
-  --> $DIR/lint-unused-mut-variables.rs:205:9
+  --> $DIR/lint-unused-mut-variables.rs:204:9
    |
 LL |     let mut b = vec![2];
    |         ----^
@@ -213,13 +213,13 @@ LL |     let mut b = vec![2];
    |         help: remove this `mut`
    |
 note: the lint level is defined here
-  --> $DIR/lint-unused-mut-variables.rs:201:8
+  --> $DIR/lint-unused-mut-variables.rs:200:8
    |
 LL | #[deny(unused_mut)]
    |        ^^^^^^^^^^
 
 warning: variable does not need to be mutable
-  --> $DIR/lint-unused-mut-variables.rs:212:28
+  --> $DIR/lint-unused-mut-variables.rs:211:28
    |
 LL | fn write_through_reference(mut arg: &mut Arg) {
    |                            ----^^^
diff --git a/tests/ui/lint/unused/lint-unused-variables.rs b/tests/ui/lint/unused/lint-unused-variables.rs
index 84c26c334f0..e0035d6d725 100644
--- a/tests/ui/lint/unused/lint-unused-variables.rs
+++ b/tests/ui/lint/unused/lint-unused-variables.rs
@@ -1,7 +1,6 @@
 //@ compile-flags: --cfg something
 //@ edition:2018
 
-#![feature(async_closure)]
 #![deny(unused_variables)]
 
 async fn foo_async(
diff --git a/tests/ui/lint/unused/lint-unused-variables.stderr b/tests/ui/lint/unused/lint-unused-variables.stderr
index ef590d85aef..6106d4cd1bf 100644
--- a/tests/ui/lint/unused/lint-unused-variables.stderr
+++ b/tests/ui/lint/unused/lint-unused-variables.stderr
@@ -1,71 +1,71 @@
 error: unused variable: `a`
-  --> $DIR/lint-unused-variables.rs:8:5
+  --> $DIR/lint-unused-variables.rs:7:5
    |
 LL |     a: i32,
    |     ^ help: if this is intentional, prefix it with an underscore: `_a`
    |
 note: the lint level is defined here
-  --> $DIR/lint-unused-variables.rs:5:9
+  --> $DIR/lint-unused-variables.rs:4:9
    |
 LL | #![deny(unused_variables)]
    |         ^^^^^^^^^^^^^^^^
 
 error: unused variable: `a`
-  --> $DIR/lint-unused-variables.rs:22:9
+  --> $DIR/lint-unused-variables.rs:21:9
    |
 LL |         a: i32,
    |         ^ help: if this is intentional, prefix it with an underscore: `_a`
 
 error: unused variable: `a`
-  --> $DIR/lint-unused-variables.rs:68:9
+  --> $DIR/lint-unused-variables.rs:67:9
    |
 LL |         a: i32,
    |         ^ help: if this is intentional, prefix it with an underscore: `_a`
 
 error: unused variable: `b`
-  --> $DIR/lint-unused-variables.rs:14:5
+  --> $DIR/lint-unused-variables.rs:13:5
    |
 LL |     b: i32,
    |     ^ help: if this is intentional, prefix it with an underscore: `_b`
 
 error: unused variable: `b`
-  --> $DIR/lint-unused-variables.rs:29:9
+  --> $DIR/lint-unused-variables.rs:28:9
    |
 LL |         b: i32,
    |         ^ help: if this is intentional, prefix it with an underscore: `_b`
 
 error: unused variable: `b`
-  --> $DIR/lint-unused-variables.rs:34:9
+  --> $DIR/lint-unused-variables.rs:33:9
    |
 LL |         b: i32,
    |         ^ help: if this is intentional, prefix it with an underscore: `_b`
 
 error: unused variable: `b`
-  --> $DIR/lint-unused-variables.rs:42:9
+  --> $DIR/lint-unused-variables.rs:41:9
    |
 LL |         b: i32,
    |         ^ help: if this is intentional, prefix it with an underscore: `_b`
 
 error: unused variable: `b`
-  --> $DIR/lint-unused-variables.rs:47:9
+  --> $DIR/lint-unused-variables.rs:46:9
    |
 LL |         b: i32,
    |         ^ help: if this is intentional, prefix it with an underscore: `_b`
 
 error: unused variable: `b`
-  --> $DIR/lint-unused-variables.rs:55:9
+  --> $DIR/lint-unused-variables.rs:54:9
    |
 LL |         b: i32,
    |         ^ help: if this is intentional, prefix it with an underscore: `_b`
 
 error: unused variable: `b`
-  --> $DIR/lint-unused-variables.rs:60:9
+  --> $DIR/lint-unused-variables.rs:59:9
    |
 LL |         b: i32,
    |         ^ help: if this is intentional, prefix it with an underscore: `_b`
 
 error: unused variable: `b`
-  --> $DIR/lint-unused-variables.rs:74:9
+  --> $DIR/lint-unused-variables.rs:73:9
    |
 LL |         b: i32,
    |         ^ help: if this is intentional, prefix it with an underscore: `_b`
diff --git a/tests/ui/lint/unused/unused-closure.rs b/tests/ui/lint/unused/unused-closure.rs
index 4633038cc9b..1f98cdfb21f 100644
--- a/tests/ui/lint/unused/unused-closure.rs
+++ b/tests/ui/lint/unused/unused-closure.rs
@@ -1,7 +1,6 @@
 // Test that closures and coroutines are "must use" types.
 //@ edition:2018
 
-#![feature(async_closure)]
 #![feature(coroutines, stmt_expr_attributes)]
 #![deny(unused_must_use)]
 
diff --git a/tests/ui/lint/unused/unused-closure.stderr b/tests/ui/lint/unused/unused-closure.stderr
index c3a82402e0a..bc0e5173c33 100644
--- a/tests/ui/lint/unused/unused-closure.stderr
+++ b/tests/ui/lint/unused/unused-closure.stderr
@@ -1,5 +1,5 @@
 error: unused closure that must be used
-  --> $DIR/unused-closure.rs:9:5
+  --> $DIR/unused-closure.rs:8:5
    |
 LL | /     || {
 LL | |         println!("Hello!");
@@ -8,13 +8,13 @@ LL | |     };
    |
    = note: closures are lazy and do nothing unless called
 note: the lint level is defined here
-  --> $DIR/unused-closure.rs:6:9
+  --> $DIR/unused-closure.rs:5:9
    |
 LL | #![deny(unused_must_use)]
    |         ^^^^^^^^^^^^^^^
 
 error: unused implementer of `Future` that must be used
-  --> $DIR/unused-closure.rs:13:5
+  --> $DIR/unused-closure.rs:12:5
    |
 LL |     async {};
    |     ^^^^^^^^
@@ -22,7 +22,7 @@ LL |     async {};
    = note: futures do nothing unless you `.await` or poll them
 
 error: unused closure that must be used
-  --> $DIR/unused-closure.rs:14:5
+  --> $DIR/unused-closure.rs:13:5
    |
 LL |     || async {};
    |     ^^^^^^^^^^^
@@ -30,7 +30,7 @@ LL |     || async {};
    = note: closures are lazy and do nothing unless called
 
 error: unused closure that must be used
-  --> $DIR/unused-closure.rs:15:5
+  --> $DIR/unused-closure.rs:14:5
    |
 LL |     async || {};
    |     ^^^^^^^^^^^
@@ -38,7 +38,7 @@ LL |     async || {};
    = note: closures are lazy and do nothing unless called
 
 error: unused array of boxed arrays of closures that must be used
-  --> $DIR/unused-closure.rs:18:5
+  --> $DIR/unused-closure.rs:17:5
    |
 LL |     [Box::new([|| {}; 10]); 1];
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -46,7 +46,7 @@ LL |     [Box::new([|| {}; 10]); 1];
    = note: closures are lazy and do nothing unless called
 
 error: unused closure that must be used
-  --> $DIR/unused-closure.rs:20:5
+  --> $DIR/unused-closure.rs:19:5
    |
 LL |     vec![|| "a"].pop().unwrap();
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -54,7 +54,7 @@ LL |     vec![|| "a"].pop().unwrap();
    = note: closures are lazy and do nothing unless called
 
 error: unused closure that must be used
-  --> $DIR/unused-closure.rs:23:9
+  --> $DIR/unused-closure.rs:22:9
    |
 LL |         || true;
    |         ^^^^^^^
diff --git a/tests/ui/macros/stringify.rs b/tests/ui/macros/stringify.rs
index f405cd253de..a560bf4c6ef 100644
--- a/tests/ui/macros/stringify.rs
+++ b/tests/ui/macros/stringify.rs
@@ -3,7 +3,6 @@
 //@ compile-flags: --test
 
 #![allow(incomplete_features)]
-#![feature(async_closure)]
 #![feature(auto_traits)]
 #![feature(box_patterns)]
 #![feature(const_trait_impl)]
diff --git a/tests/ui/methods/call_method_unknown_referent.rs b/tests/ui/methods/call_method_unknown_referent.rs
new file mode 100644
index 00000000000..b01e2d80f7f
--- /dev/null
+++ b/tests/ui/methods/call_method_unknown_referent.rs
@@ -0,0 +1,48 @@
+//@ edition: 2018
+
+#![feature(arbitrary_self_types)]
+
+// tests that the referent type of a reference must be known to call methods on it
+
+struct SmartPtr<T>(T);
+
+impl<T> core::ops::Receiver for SmartPtr<T> {
+    type Target = T;
+}
+
+impl<T> SmartPtr<T> {
+    fn foo(&self) {}
+}
+
+fn main() {
+    let val = 1_u32;
+    let ptr = &val;
+    let _a: i32 = (ptr as &_).read();
+    //~^ ERROR type annotations needed
+
+    // Same again, but with a smart pointer type
+    let val2 = 1_u32;
+    let rc = std::rc::Rc::new(val2);
+    let _b = (rc as std::rc::Rc<_>).read();
+    //~^ ERROR type annotations needed
+
+    // Same again, but with a smart pointer type
+    let ptr = SmartPtr(val);
+
+    // We can call unambiguous outer-type methods on this
+    (ptr as SmartPtr<_>).foo();
+    // ... but we can't follow the Receiver chain to the inner type
+    // because we end up with _.
+
+    // Because SmartPtr implements Receiver, it's arguable which of the
+    // following two diagnostics we'd want in this case:
+    // (a) "type annotations needed" (because the inner type is _)
+    // (b) "no method named `read` found for struct `SmartPtr`"
+    //     (ignoring the fact that there might have been methods on the
+    //      inner type, had it not been _)
+    // At present we produce error type (b), which is necessary because
+    // our resolution logic needs to be able to call methods such as foo()
+    // on the outer type even if the inner type is ambiguous.
+    let _c = (ptr as SmartPtr<_>).read();
+    //~^ ERROR no method named `read` found for struct `SmartPtr`
+}
diff --git a/tests/ui/methods/call_method_unknown_referent.stderr b/tests/ui/methods/call_method_unknown_referent.stderr
new file mode 100644
index 00000000000..748b02b52b5
--- /dev/null
+++ b/tests/ui/methods/call_method_unknown_referent.stderr
@@ -0,0 +1,29 @@
+error[E0282]: type annotations needed
+  --> $DIR/call_method_unknown_referent.rs:20:31
+   |
+LL |     let _a: i32 = (ptr as &_).read();
+   |                               ^^^^ cannot infer type
+
+error[E0282]: type annotations needed
+  --> $DIR/call_method_unknown_referent.rs:26:37
+   |
+LL |     let _b = (rc as std::rc::Rc<_>).read();
+   |                                     ^^^^ cannot infer type
+
+error[E0599]: no method named `read` found for struct `SmartPtr` in the current scope
+  --> $DIR/call_method_unknown_referent.rs:46:35
+   |
+LL | struct SmartPtr<T>(T);
+   | ------------------ method `read` not found for this struct
+...
+LL |     let _c = (ptr as SmartPtr<_>).read();
+   |                                   ^^^^ method not found in `SmartPtr<_>`
+   |
+   = help: items from traits can only be used if the trait is implemented and in scope
+   = note: the following trait defines an item `read`, perhaps you need to implement it:
+           candidate #1: `std::io::Read`
+
+error: aborting due to 3 previous errors
+
+Some errors have detailed explanations: E0282, E0599.
+For more information about an error, try `rustc --explain E0282`.
diff --git a/tests/ui/methods/call_method_unknown_referent2.rs b/tests/ui/methods/call_method_unknown_referent2.rs
new file mode 100644
index 00000000000..b1615bd8d44
--- /dev/null
+++ b/tests/ui/methods/call_method_unknown_referent2.rs
@@ -0,0 +1,24 @@
+//@ edition: 2018
+//@ run-pass
+
+#![feature(arbitrary_self_types)]
+
+// tests that the referent type of a reference must be known to call methods on it
+
+struct SmartPtr<T>(T);
+
+impl<T> core::ops::Receiver for SmartPtr<T> {
+    type Target = T;
+}
+
+impl<T> SmartPtr<T> {
+    fn foo(&self) -> usize { 3 }
+}
+
+fn main() {
+    let val = 1_u32;
+    let ptr = SmartPtr(val);
+    // Ensure calls to outer methods work even if inner methods can't be
+    // resolved due to the type variable
+    assert_eq!((ptr as SmartPtr<_>).foo(), 3);
+}
diff --git a/tests/ui/mir/issue-68841.rs b/tests/ui/mir/issue-68841.rs
index 5638449b684..0eed46eb6ca 100644
--- a/tests/ui/mir/issue-68841.rs
+++ b/tests/ui/mir/issue-68841.rs
@@ -2,8 +2,6 @@
 //@ edition:2018
 //@ build-pass
 
-#![feature(async_closure)]
-
 use std::future::Future;
 
 fn async_closure() -> impl Future<Output = u8> {
diff --git a/tests/ui/never_type/fallback-closure-ret.nofallback.stderr b/tests/ui/never_type/fallback-closure-ret.nofallback.stderr
index b5b5d87e7dd..8d08fb7f2a8 100644
--- a/tests/ui/never_type/fallback-closure-ret.nofallback.stderr
+++ b/tests/ui/never_type/fallback-closure-ret.nofallback.stderr
@@ -15,8 +15,8 @@ LL |     foo(|| panic!());
    = note: `#[warn(dependency_on_unit_never_type_fallback)]` on by default
 help: use `()` annotations to avoid fallback changes
    |
-LL |     foo::<(), _>(|| panic!());
-   |        +++++++++
+LL |     foo::<()>(|| panic!());
+   |        ++++++
 
 warning: 1 warning emitted
 
diff --git a/tests/ui/never_type/never-in-range-pat.rs b/tests/ui/never_type/never-in-range-pat.rs
new file mode 100644
index 00000000000..ae2d76c172e
--- /dev/null
+++ b/tests/ui/never_type/never-in-range-pat.rs
@@ -0,0 +1,16 @@
+// Regression test for <https://github.com/rust-lang/rust/issues/133947>.
+
+// Make sure we don't ICE when there's `!` in a range pattern.
+//
+// This shouldn't be allowed anyways, but we only deny it during MIR
+// building, so make sure we handle it semi-gracefully during typeck.
+
+#![feature(never_type)]
+
+fn main() {
+    let x: !;
+    match 1 {
+        0..x => {}
+        //~^ ERROR only `char` and numeric types are allowed in range patterns
+    }
+}
diff --git a/tests/ui/never_type/never-in-range-pat.stderr b/tests/ui/never_type/never-in-range-pat.stderr
new file mode 100644
index 00000000000..c78be5350e0
--- /dev/null
+++ b/tests/ui/never_type/never-in-range-pat.stderr
@@ -0,0 +1,11 @@
+error[E0029]: only `char` and numeric types are allowed in range patterns
+  --> $DIR/never-in-range-pat.rs:13:12
+   |
+LL |         0..x => {}
+   |         -  ^ this is of type `!` but it should be `char` or numeric
+   |         |
+   |         this is of type `{integer}`
+
+error: aborting due to 1 previous error
+
+For more information about this error, try `rustc --explain E0029`.
diff --git a/tests/ui/parser/as-precedence.rs b/tests/ui/parser/as-precedence.rs
new file mode 100644
index 00000000000..ca8328adb0e
--- /dev/null
+++ b/tests/ui/parser/as-precedence.rs
@@ -0,0 +1,18 @@
+//! Parser precedence test to help with [RFC 87 "Trait Bounds with Plus"][rfc-87], to check the
+//! precedence of the `as` operator in relation to some arithmetic bin-ops and parentheses.
+//!
+//! Editor's note: this test seems quite incomplete compared to what's possible nowadays. Maybe
+//! there's another set of tests whose coverage overshadows this test?
+//!
+//! [rfc-87]: https://rust-lang.github.io/rfcs/0087-trait-bounds-with-plus.html
+
+//@ run-pass
+
+#[allow(unused_parens)]
+fn main() {
+    assert_eq!(3 as usize * 3, 9);
+    assert_eq!(3 as (usize) * 3, 9);
+    assert_eq!(3 as (usize) / 3, 1);
+    assert_eq!(3 as usize + 3, 6);
+    assert_eq!(3 as (usize) + 3, 6);
+}
diff --git a/tests/ui/parser/bad-name.stderr b/tests/ui/parser/bad-name.stderr
index a336923f4fd..112fdcad336 100644
--- a/tests/ui/parser/bad-name.stderr
+++ b/tests/ui/parser/bad-name.stderr
@@ -1,9 +1,3 @@
-error: field expressions cannot have generic arguments
-  --> $DIR/bad-name.rs:2:12
-   |
-LL |   let x.y::<isize>.z foo;
-   |            ^^^^^^^
-
 error: expected a pattern, found an expression
   --> $DIR/bad-name.rs:2:7
    |
@@ -18,5 +12,11 @@ error: expected one of `(`, `.`, `::`, `:`, `;`, `=`, `?`, `|`, or an operator,
 LL |   let x.y::<isize>.z foo;
    |                      ^^^ expected one of 9 possible tokens
 
+error: field expressions cannot have generic arguments
+  --> $DIR/bad-name.rs:2:12
+   |
+LL |   let x.y::<isize>.z foo;
+   |            ^^^^^^^
+
 error: aborting due to 3 previous errors
 
diff --git a/tests/ui/parser/circular_modules_main.stderr b/tests/ui/parser/circular_modules_main.stderr
index 2de70789358..e1780fe9fd9 100644
--- a/tests/ui/parser/circular_modules_main.stderr
+++ b/tests/ui/parser/circular_modules_main.stderr
@@ -4,22 +4,5 @@ error: circular modules: $DIR/circular_modules_main.rs -> $DIR/circular_modules_
 LL | mod circular_modules_main;
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-error[E0425]: cannot find function `hi_str` in module `circular_modules_main`
-  --> $DIR/circular_modules_hello.rs:7:43
-   |
-LL |     println!("{}", circular_modules_main::hi_str());
-   |                                           ^^^^^^ not found in `circular_modules_main`
-   |
-help: consider importing this function
-   |
-LL + use hi_str;
-   |
-help: if you import `hi_str`, refer to it directly
-   |
-LL -     println!("{}", circular_modules_main::hi_str());
-LL +     println!("{}", hi_str());
-   |
-
-error: aborting due to 2 previous errors
+error: aborting due to 1 previous error
 
-For more information about this error, try `rustc --explain E0425`.
diff --git a/tests/ui/reachable/artificial-block.rs b/tests/ui/reachable/artificial-block.rs
new file mode 100644
index 00000000000..6d73ba1a972
--- /dev/null
+++ b/tests/ui/reachable/artificial-block.rs
@@ -0,0 +1,30 @@
+//! Check that we don't get compile errors on unreachable code after the `{ return 3; }` artificial
+//! block below. This test is run-pass to also exercise the codegen, but it might be possible to
+//! reduce to build-pass or even check-pass.
+//!
+//! This test was introduced as part of commit `a833f152baa17460e8414355e832d30d5161f8e8` which
+//! removes an "artificial block". See also commit `3d738e9e0634a4cd6239d1317bd7dad53be68dc8` for
+//! more elaboration, reproduced below (this is outdated for *today*'s rustc as of 2024-12-10, but
+//! is helpful to understand the original intention):
+//!
+//! > Return a fresh, unreachable context after ret, break, and cont
+//! >
+//! > This ensures we don't get compile errors on unreachable code (see
+//! > test/run-pass/artificial-block.rs for an example of sane code that wasn't compiling). In the
+//! > future, we might want to warn about non-trivial code appearing in an unreachable context,
+//! > and/or avoid generating unreachable code altogether (though I'm sure LLVM will weed it out as
+//! > well).
+//!
+//! Since then, `ret` became `return`, `int` became `isize` and `assert` became a macro.
+
+//@ run-pass
+
+fn f() -> isize {
+    {
+        return 3;
+    }
+}
+
+fn main() {
+    assert_eq!(f(), 3);
+}
diff --git a/tests/ui/resolve/generic-params-from-outer-item-in-const-item.default.stderr b/tests/ui/resolve/generic-params-from-outer-item-in-const-item.default.stderr
index c7e9df10d41..fbb9ede8aa1 100644
--- a/tests/ui/resolve/generic-params-from-outer-item-in-const-item.default.stderr
+++ b/tests/ui/resolve/generic-params-from-outer-item-in-const-item.default.stderr
@@ -29,20 +29,6 @@ LL |     const _: u32 = T::C;
    |
    = note: a `const` is a separate item from the item that contains it
 
-note: erroneous constant encountered
-  --> $DIR/generic-params-from-outer-item-in-const-item.rs:22:9
-   |
-LL |         I
-   |         ^
-
-note: erroneous constant encountered
-  --> $DIR/generic-params-from-outer-item-in-const-item.rs:22:9
-   |
-LL |         I
-   |         ^
-   |
-   = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
-
 error: aborting due to 3 previous errors
 
 For more information about this error, try `rustc --explain E0401`.
diff --git a/tests/ui/resolve/generic-params-from-outer-item-in-const-item.generic_const_items.stderr b/tests/ui/resolve/generic-params-from-outer-item-in-const-item.generic_const_items.stderr
index 64c436d3ceb..60aa94038c3 100644
--- a/tests/ui/resolve/generic-params-from-outer-item-in-const-item.generic_const_items.stderr
+++ b/tests/ui/resolve/generic-params-from-outer-item-in-const-item.generic_const_items.stderr
@@ -35,20 +35,6 @@ LL |     const _: u32 = T::C;
    |
    = note: a `const` is a separate item from the item that contains it
 
-note: erroneous constant encountered
-  --> $DIR/generic-params-from-outer-item-in-const-item.rs:22:9
-   |
-LL |         I
-   |         ^
-
-note: erroneous constant encountered
-  --> $DIR/generic-params-from-outer-item-in-const-item.rs:22:9
-   |
-LL |         I
-   |         ^
-   |
-   = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
-
 error: aborting due to 3 previous errors
 
 For more information about this error, try `rustc --explain E0401`.
diff --git a/tests/ui/resolve/issue-50599.stderr b/tests/ui/resolve/issue-50599.stderr
index 427dc9f2049..24fb3d580b8 100644
--- a/tests/ui/resolve/issue-50599.stderr
+++ b/tests/ui/resolve/issue-50599.stderr
@@ -20,12 +20,6 @@ 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 encountered
-  --> $DIR/issue-50599.rs:4:29
-   |
-LL |     let mut digits = [0u32; M];
-   |                             ^
-
 error: aborting due to 1 previous error
 
 For more information about this error, try `rustc --explain E0425`.
diff --git a/tests/ui/resolve/parse-error-resolve.rs b/tests/ui/resolve/parse-error-resolve.rs
new file mode 100644
index 00000000000..1e0772648af
--- /dev/null
+++ b/tests/ui/resolve/parse-error-resolve.rs
@@ -0,0 +1,7 @@
+mod parse_error;
+use parse_error::Canonical; // ok, `parse_error.rs` had parse errors
+
+fn main() {
+    let _ = "" + 1; //~ ERROR E0369
+    parse_error::Canonical.foo(); // ok, `parse_error.rs` had parse errors
+}
diff --git a/tests/ui/resolve/parse-error-resolve.stderr b/tests/ui/resolve/parse-error-resolve.stderr
new file mode 100644
index 00000000000..30475aa0ee6
--- /dev/null
+++ b/tests/ui/resolve/parse-error-resolve.stderr
@@ -0,0 +1,22 @@
+error: expected one of `+`, `,`, `::`, `=`, or `>`, found `From`
+  --> $DIR/parse_error.rs:2:46
+   |
+LL | impl<S: Into<std::borrow::Cow<'static, str>> From<S> for Canonical {
+   |                                              ^^^^ expected one of `+`, `,`, `::`, `=`, or `>`
+   |
+help: you might have meant to end the type parameters here
+   |
+LL | impl<S: Into<std::borrow::Cow<'static, str>>> From<S> for Canonical {
+   |                                             +
+
+error[E0369]: cannot add `{integer}` to `&str`
+  --> $DIR/parse-error-resolve.rs:5:16
+   |
+LL |     let _ = "" + 1;
+   |             -- ^ - {integer}
+   |             |
+   |             &str
+
+error: aborting due to 2 previous errors
+
+For more information about this error, try `rustc --explain E0369`.
diff --git a/tests/ui/resolve/parse_error.rs b/tests/ui/resolve/parse_error.rs
new file mode 100644
index 00000000000..4cd025e1edf
--- /dev/null
+++ b/tests/ui/resolve/parse_error.rs
@@ -0,0 +1,5 @@
+struct Canonical;
+impl<S: Into<std::borrow::Cow<'static, str>> From<S> for Canonical { //~ ERROR expected
+    fn foo() {}
+}
+fn bar() {}
diff --git a/tests/ui/resolve/parse_error.stderr b/tests/ui/resolve/parse_error.stderr
new file mode 100644
index 00000000000..f764f08875f
--- /dev/null
+++ b/tests/ui/resolve/parse_error.stderr
@@ -0,0 +1,13 @@
+error: expected one of `+`, `,`, `::`, `=`, or `>`, found `From`
+  --> $DIR/parse_error.rs:2:46
+   |
+LL | impl<S: Into<std::borrow::Cow<'static, str>> From<S> for Canonical {
+   |                                              ^^^^ expected one of `+`, `,`, `::`, `=`, or `>`
+   |
+help: you might have meant to end the type parameters here
+   |
+LL | impl<S: Into<std::borrow::Cow<'static, str>>> From<S> for Canonical {
+   |                                             +
+
+error: aborting due to 1 previous error
+
diff --git a/tests/ui/rfcs/rfc-2497-if-let-chains/avoid-invalid-mir.stderr b/tests/ui/rfcs/rfc-2497-if-let-chains/avoid-invalid-mir.stderr
index eab2604d4c0..606f808f093 100644
--- a/tests/ui/rfcs/rfc-2497-if-let-chains/avoid-invalid-mir.stderr
+++ b/tests/ui/rfcs/rfc-2497-if-let-chains/avoid-invalid-mir.stderr
@@ -6,11 +6,5 @@ LL |     !let y = 42;
    |
    = note: only supported directly in conditions of `if` and `while` expressions
 
-note: erroneous constant encountered
-  --> $DIR/avoid-invalid-mir.rs:11:13
-   |
-LL |     x: [(); N]
-   |             ^
-
 error: aborting due to 1 previous error
 
diff --git a/tests/ui/rfcs/rfc-2565-param-attrs/param-attrs-cfg.rs b/tests/ui/rfcs/rfc-2565-param-attrs/param-attrs-cfg.rs
index e7a5d59958b..15d2a2f5ebc 100644
--- a/tests/ui/rfcs/rfc-2565-param-attrs/param-attrs-cfg.rs
+++ b/tests/ui/rfcs/rfc-2565-param-attrs/param-attrs-cfg.rs
@@ -1,7 +1,6 @@
 //@ compile-flags: --cfg something --check-cfg=cfg(nothing,something)
 //@ edition:2018
 
-#![feature(async_closure)]
 #![deny(unused_variables)]
 
 extern "C" {
diff --git a/tests/ui/rfcs/rfc-2565-param-attrs/param-attrs-cfg.stderr b/tests/ui/rfcs/rfc-2565-param-attrs/param-attrs-cfg.stderr
index 9b92166bcb7..ba92bc4a71d 100644
--- a/tests/ui/rfcs/rfc-2565-param-attrs/param-attrs-cfg.stderr
+++ b/tests/ui/rfcs/rfc-2565-param-attrs/param-attrs-cfg.stderr
@@ -1,119 +1,119 @@
 error: unused variable: `a`
-  --> $DIR/param-attrs-cfg.rs:24:23
+  --> $DIR/param-attrs-cfg.rs:23:23
    |
 LL |     #[cfg(something)] a: i32,
    |                       ^ help: if this is intentional, prefix it with an underscore: `_a`
    |
 note: the lint level is defined here
-  --> $DIR/param-attrs-cfg.rs:5:9
+  --> $DIR/param-attrs-cfg.rs:4:9
    |
 LL | #![deny(unused_variables)]
    |         ^^^^^^^^^^^^^^^^
 
 error: unused variable: `a`
-  --> $DIR/param-attrs-cfg.rs:41:27
+  --> $DIR/param-attrs-cfg.rs:40:27
    |
 LL |         #[cfg(something)] a: i32,
    |                           ^ help: if this is intentional, prefix it with an underscore: `_a`
 
 error: unused variable: `a`
-  --> $DIR/param-attrs-cfg.rs:107:27
+  --> $DIR/param-attrs-cfg.rs:106:27
    |
 LL |         #[cfg(something)] a: i32,
    |                           ^ help: if this is intentional, prefix it with an underscore: `_a`
 
 error: unused variable: `b`
-  --> $DIR/param-attrs-cfg.rs:30:23
+  --> $DIR/param-attrs-cfg.rs:29:23
    |
 LL |     #[cfg(something)] b: i32,
    |                       ^ help: if this is intentional, prefix it with an underscore: `_b`
 
 error: unused variable: `c`
-  --> $DIR/param-attrs-cfg.rs:32:40
+  --> $DIR/param-attrs-cfg.rs:31:40
    |
 LL |     #[cfg_attr(nothing, cfg(nothing))] c: i32,
    |                                        ^ help: if this is intentional, prefix it with an underscore: `_c`
 
 error: unused variable: `b`
-  --> $DIR/param-attrs-cfg.rs:48:27
+  --> $DIR/param-attrs-cfg.rs:47:27
    |
 LL |         #[cfg(something)] b: i32,
    |                           ^ help: if this is intentional, prefix it with an underscore: `_b`
 
 error: unused variable: `c`
-  --> $DIR/param-attrs-cfg.rs:50:44
+  --> $DIR/param-attrs-cfg.rs:49:44
    |
 LL |         #[cfg_attr(nothing, cfg(nothing))] c: i32,
    |                                            ^ help: if this is intentional, prefix it with an underscore: `_c`
 
 error: unused variable: `b`
-  --> $DIR/param-attrs-cfg.rs:56:27
+  --> $DIR/param-attrs-cfg.rs:55:27
    |
 LL |         #[cfg(something)] b: i32,
    |                           ^ help: if this is intentional, prefix it with an underscore: `_b`
 
 error: unused variable: `c`
-  --> $DIR/param-attrs-cfg.rs:58:44
+  --> $DIR/param-attrs-cfg.rs:57:44
    |
 LL |         #[cfg_attr(nothing, cfg(nothing))] c: i32,
    |                                            ^ help: if this is intentional, prefix it with an underscore: `_c`
 
 error: unused variable: `b`
-  --> $DIR/param-attrs-cfg.rs:67:27
+  --> $DIR/param-attrs-cfg.rs:66:27
    |
 LL |         #[cfg(something)] b: i32,
    |                           ^ help: if this is intentional, prefix it with an underscore: `_b`
 
 error: unused variable: `c`
-  --> $DIR/param-attrs-cfg.rs:69:44
+  --> $DIR/param-attrs-cfg.rs:68:44
    |
 LL |         #[cfg_attr(nothing, cfg(nothing))] c: i32,
    |                                            ^ help: if this is intentional, prefix it with an underscore: `_c`
 
 error: unused variable: `b`
-  --> $DIR/param-attrs-cfg.rs:75:27
+  --> $DIR/param-attrs-cfg.rs:74:27
    |
 LL |         #[cfg(something)] b: i32,
    |                           ^ help: if this is intentional, prefix it with an underscore: `_b`
 
 error: unused variable: `c`
-  --> $DIR/param-attrs-cfg.rs:77:44
+  --> $DIR/param-attrs-cfg.rs:76:44
    |
 LL |         #[cfg_attr(nothing, cfg(nothing))] c: i32,
    |                                            ^ help: if this is intentional, prefix it with an underscore: `_c`
 
 error: unused variable: `b`
-  --> $DIR/param-attrs-cfg.rs:86:27
+  --> $DIR/param-attrs-cfg.rs:85:27
    |
 LL |         #[cfg(something)] b: i32,
    |                           ^ help: if this is intentional, prefix it with an underscore: `_b`
 
 error: unused variable: `c`
-  --> $DIR/param-attrs-cfg.rs:88:44
+  --> $DIR/param-attrs-cfg.rs:87:44
    |
 LL |         #[cfg_attr(nothing, cfg(nothing))] c: i32,
    |                                            ^ help: if this is intentional, prefix it with an underscore: `_c`
 
 error: unused variable: `b`
-  --> $DIR/param-attrs-cfg.rs:94:27
+  --> $DIR/param-attrs-cfg.rs:93:27
    |
 LL |         #[cfg(something)] b: i32,
    |                           ^ help: if this is intentional, prefix it with an underscore: `_b`
 
 error: unused variable: `c`
-  --> $DIR/param-attrs-cfg.rs:96:44
+  --> $DIR/param-attrs-cfg.rs:95:44
    |
 LL |         #[cfg_attr(nothing, cfg(nothing))] c: i32,
    |                                            ^ help: if this is intentional, prefix it with an underscore: `_c`
 
 error: unused variable: `b`
-  --> $DIR/param-attrs-cfg.rs:113:27
+  --> $DIR/param-attrs-cfg.rs:112:27
    |
 LL |         #[cfg(something)] b: i32,
    |                           ^ help: if this is intentional, prefix it with an underscore: `_b`
 
 error: unused variable: `c`
-  --> $DIR/param-attrs-cfg.rs:115:44
+  --> $DIR/param-attrs-cfg.rs:114:44
    |
 LL |         #[cfg_attr(nothing, cfg(nothing))] c: i32,
    |                                            ^ help: if this is intentional, prefix it with an underscore: `_c`
diff --git a/tests/ui/rfcs/rfc-2627-raw-dylib/invalid-dlltool.rs b/tests/ui/rfcs/rfc-2627-raw-dylib/invalid-dlltool.rs
index bcf6dda7a44..057242246f0 100644
--- a/tests/ui/rfcs/rfc-2627-raw-dylib/invalid-dlltool.rs
+++ b/tests/ui/rfcs/rfc-2627-raw-dylib/invalid-dlltool.rs
@@ -1,7 +1,7 @@
 // Tests that failing to run dlltool will raise an error.
 
 //@ needs-dlltool
-//@ compile-flags: --crate-type lib --emit link -Cdlltool=does_not_exit.exe
+//@ compile-flags: --crate-type lib --emit link -Cdlltool=does_not_exist.exe
 #[link(name = "foo", kind = "raw-dylib")]
 extern "C" {
     fn f(x: i32);
diff --git a/tests/ui/rfcs/rfc-2627-raw-dylib/invalid-dlltool.stderr b/tests/ui/rfcs/rfc-2627-raw-dylib/invalid-dlltool.stderr
index 9dbeee49f53..4bbad9b30a7 100644
--- a/tests/ui/rfcs/rfc-2627-raw-dylib/invalid-dlltool.stderr
+++ b/tests/ui/rfcs/rfc-2627-raw-dylib/invalid-dlltool.stderr
@@ -1,4 +1,4 @@
-error: Error calling dlltool 'does_not_exit.exe': program not found
+error: Error calling dlltool 'does_not_exist.exe': program not found
 
 error: aborting due to 1 previous error
 
diff --git a/tests/ui/runtime/on-broken-pipe/auxiliary/assert-sigpipe-disposition.rs b/tests/ui/runtime/on-broken-pipe/auxiliary/assert-sigpipe-disposition.rs
index 117f6134b4e..229408fb724 100644
--- a/tests/ui/runtime/on-broken-pipe/auxiliary/assert-sigpipe-disposition.rs
+++ b/tests/ui/runtime/on-broken-pipe/auxiliary/assert-sigpipe-disposition.rs
@@ -25,7 +25,14 @@ fn start(argc: isize, argv: *const *const u8) -> isize {
     let actual = unsafe {
         let mut actual: libc::sigaction = std::mem::zeroed();
         libc::sigaction(libc::SIGPIPE, std::ptr::null(), &mut actual);
-        actual.sa_sigaction
+        #[cfg(not(target_os = "aix"))]
+        {
+            actual.sa_sigaction
+        }
+        #[cfg(target_os = "aix")]
+        {
+            actual.sa_union.__su_sigaction as libc::sighandler_t
+        }
     };
 
     assert_eq!(actual, expected, "actual and expected SIGPIPE disposition in child differs");
diff --git a/tests/ui/runtime/on-broken-pipe/auxiliary/sigpipe-utils.rs b/tests/ui/runtime/on-broken-pipe/auxiliary/sigpipe-utils.rs
index 3d93d50ca3f..d16a2b4d8c8 100644
--- a/tests/ui/runtime/on-broken-pipe/auxiliary/sigpipe-utils.rs
+++ b/tests/ui/runtime/on-broken-pipe/auxiliary/sigpipe-utils.rs
@@ -20,7 +20,14 @@ pub fn assert_sigpipe_handler(expected_handler: SignalHandler) {
         let actual = unsafe {
             let mut actual: libc::sigaction = std::mem::zeroed();
             libc::sigaction(libc::SIGPIPE, std::ptr::null(), &mut actual);
-            actual.sa_sigaction
+            #[cfg(not(target_os = "aix"))]
+            {
+                actual.sa_sigaction
+            }
+            #[cfg(target_os = "aix")]
+            {
+                actual.sa_union.__su_sigaction as libc::sighandler_t
+            }
         };
 
         let expected = match expected_handler {
diff --git a/tests/ui/runtime/signal-alternate-stack-cleanup.rs b/tests/ui/runtime/signal-alternate-stack-cleanup.rs
index f2af86be0a5..8fce0928273 100644
--- a/tests/ui/runtime/signal-alternate-stack-cleanup.rs
+++ b/tests/ui/runtime/signal-alternate-stack-cleanup.rs
@@ -29,7 +29,14 @@ fn main() {
         // Install signal handler that runs on alternate signal stack.
         let mut action: sigaction = std::mem::zeroed();
         action.sa_flags = (SA_ONSTACK | SA_SIGINFO) as _;
-        action.sa_sigaction = signal_handler as sighandler_t;
+        #[cfg(not(target_os = "aix"))]
+        {
+            action.sa_sigaction = signal_handler as sighandler_t;
+        }
+        #[cfg(target_os = "aix")]
+        {
+            action.sa_union.__su_sigaction = signal_handler as sighandler_t;
+        }
         sigaction(SIGWINCH, &action, std::ptr::null_mut());
 
         // Send SIGWINCH on exit.
diff --git a/tests/ui/sanitizer/cfi/async-closures.rs b/tests/ui/sanitizer/cfi/async-closures.rs
index 4eaa44cfa3f..351853ab1a7 100644
--- a/tests/ui/sanitizer/cfi/async-closures.rs
+++ b/tests/ui/sanitizer/cfi/async-closures.rs
@@ -13,7 +13,6 @@
 //@ [kcfi] compile-flags: -C panic=abort -Z panic-abort-tests -C prefer-dynamic=off
 //@ run-pass
 
-#![feature(async_closure)]
 #![feature(async_fn_traits)]
 
 use std::ops::AsyncFn;
diff --git a/tests/ui/self/arbitrary-self-from-method-substs-ice.stderr b/tests/ui/self/arbitrary-self-from-method-substs-ice.stderr
index e4991823d28..cf4c219215e 100644
--- a/tests/ui/self/arbitrary-self-from-method-substs-ice.stderr
+++ b/tests/ui/self/arbitrary-self-from-method-substs-ice.stderr
@@ -17,12 +17,6 @@ LL |     const fn get<R: Deref<Target = Self>>(self: R) -> u32 {
 LL |     }
    |     - value is dropped here
 
-note: erroneous constant encountered
-  --> $DIR/arbitrary-self-from-method-substs-ice.rs:24:5
-   |
-LL |     FOO;
-   |     ^^^
-
 error[E0801]: invalid generic `self` parameter type: `R`
   --> $DIR/arbitrary-self-from-method-substs-ice.rs:10:49
    |
diff --git a/tests/ui/self/arbitrary-self-from-method-substs-with-receiver.rs b/tests/ui/self/arbitrary-self-from-method-substs-with-receiver.rs
new file mode 100644
index 00000000000..495d261c549
--- /dev/null
+++ b/tests/ui/self/arbitrary-self-from-method-substs-with-receiver.rs
@@ -0,0 +1,64 @@
+#![feature(arbitrary_self_types)]
+
+use std::ops::{Receiver, Deref};
+
+struct SmartPtr<'a, T: ?Sized>(&'a T);
+
+impl<'a, T: ?Sized> Deref for SmartPtr<'a, T> {
+    type Target = T;
+    fn deref(&self) -> &Self::Target {
+        self.0
+    }
+}
+
+impl<'a, T: ?Sized> Clone for SmartPtr<'a, T> {
+    fn clone(&self) -> Self {
+        Self(self.0)
+    }
+}
+
+impl<'a, T: ?Sized> Copy for SmartPtr<'a, T> {
+}
+
+struct Foo(u32);
+impl Foo {
+    fn a<R: Receiver<Target=Self>>(self: R) -> u32 {
+        //~^ ERROR invalid generic `self` parameter type: `R`
+        2
+    }
+    fn b<R: Deref<Target=Self>>(self: R) -> u32 {
+        //~^ ERROR invalid generic `self` parameter type: `R`
+        self.0
+    }
+    fn c(self: impl Receiver<Target=Self>) -> u32 {
+        //~^ ERROR invalid generic `self` parameter type: `impl Receiver<Target = Self>`
+        3
+    }
+    fn d(self: impl Deref<Target=Self>) -> u32 {
+        //~^ ERROR invalid generic `self` parameter type: `impl Deref<Target = Self>`
+        self.0
+    }
+}
+
+fn main() {
+    let foo = Foo(1);
+    assert_eq!((&foo).a::<&Foo>(), 2);
+    assert_eq!((&foo).b::<&Foo>(), 1);
+    assert_eq!((&foo).a(), 2);
+    assert_eq!((&foo).b(), 1);
+    assert_eq!((&foo).c(), 3);
+    assert_eq!((&foo).d(), 1);
+    assert_eq!(foo.a::<&Foo>(), 2);
+    //~^ ERROR mismatched types
+    assert_eq!(foo.b::<&Foo>(), 1);
+    //~^ ERROR mismatched types
+    let smart_ptr = SmartPtr(&foo);
+    assert_eq!(smart_ptr.a(), 2);
+    assert_eq!(smart_ptr.b(), 1);
+    assert_eq!(smart_ptr.c(), 3);
+    assert_eq!(smart_ptr.d(), 1);
+    assert_eq!(smart_ptr.a::<&Foo>(), 2);
+    //~^ ERROR mismatched types
+    assert_eq!(smart_ptr.b::<&Foo>(), 1);
+    //~^ ERROR mismatched types
+}
diff --git a/tests/ui/self/arbitrary-self-from-method-substs-with-receiver.stderr b/tests/ui/self/arbitrary-self-from-method-substs-with-receiver.stderr
new file mode 100644
index 00000000000..9af2a08f371
--- /dev/null
+++ b/tests/ui/self/arbitrary-self-from-method-substs-with-receiver.stderr
@@ -0,0 +1,70 @@
+error[E0801]: invalid generic `self` parameter type: `R`
+  --> $DIR/arbitrary-self-from-method-substs-with-receiver.rs:25:42
+   |
+LL |     fn a<R: Receiver<Target=Self>>(self: R) -> u32 {
+   |                                          ^
+   |
+   = note: type of `self` must not be a method generic parameter type
+   = help: use a concrete type such as `self`, `&self`, `&mut self`, `self: Box<Self>`, `self: Rc<Self>`, `self: Arc<Self>`, or `self: Pin<P>` (where P is one of the previous types except `Self`)
+
+error[E0801]: invalid generic `self` parameter type: `R`
+  --> $DIR/arbitrary-self-from-method-substs-with-receiver.rs:29:39
+   |
+LL |     fn b<R: Deref<Target=Self>>(self: R) -> u32 {
+   |                                       ^
+   |
+   = note: type of `self` must not be a method generic parameter type
+   = help: use a concrete type such as `self`, `&self`, `&mut self`, `self: Box<Self>`, `self: Rc<Self>`, `self: Arc<Self>`, or `self: Pin<P>` (where P is one of the previous types except `Self`)
+
+error[E0801]: invalid generic `self` parameter type: `impl Receiver<Target = Self>`
+  --> $DIR/arbitrary-self-from-method-substs-with-receiver.rs:33:16
+   |
+LL |     fn c(self: impl Receiver<Target=Self>) -> u32 {
+   |                ^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+   = note: type of `self` must not be a method generic parameter type
+   = help: use a concrete type such as `self`, `&self`, `&mut self`, `self: Box<Self>`, `self: Rc<Self>`, `self: Arc<Self>`, or `self: Pin<P>` (where P is one of the previous types except `Self`)
+
+error[E0801]: invalid generic `self` parameter type: `impl Deref<Target = Self>`
+  --> $DIR/arbitrary-self-from-method-substs-with-receiver.rs:37:16
+   |
+LL |     fn d(self: impl Deref<Target=Self>) -> u32 {
+   |                ^^^^^^^^^^^^^^^^^^^^^^^
+   |
+   = note: type of `self` must not be a method generic parameter type
+   = help: use a concrete type such as `self`, `&self`, `&mut self`, `self: Box<Self>`, `self: Rc<Self>`, `self: Arc<Self>`, or `self: Pin<P>` (where P is one of the previous types except `Self`)
+
+error[E0308]: mismatched types
+  --> $DIR/arbitrary-self-from-method-substs-with-receiver.rs:51:16
+   |
+LL |     assert_eq!(foo.a::<&Foo>(), 2);
+   |                ^^^ expected `&Foo`, found `Foo`
+
+error[E0308]: mismatched types
+  --> $DIR/arbitrary-self-from-method-substs-with-receiver.rs:53:16
+   |
+LL |     assert_eq!(foo.b::<&Foo>(), 1);
+   |                ^^^ expected `&Foo`, found `Foo`
+
+error[E0308]: mismatched types
+  --> $DIR/arbitrary-self-from-method-substs-with-receiver.rs:60:16
+   |
+LL |     assert_eq!(smart_ptr.a::<&Foo>(), 2);
+   |                ^^^^^^^^^ expected `&Foo`, found `SmartPtr<'_, Foo>`
+   |
+   = note: expected reference `&Foo`
+                 found struct `SmartPtr<'_, Foo, >`
+
+error[E0308]: mismatched types
+  --> $DIR/arbitrary-self-from-method-substs-with-receiver.rs:62:16
+   |
+LL |     assert_eq!(smart_ptr.b::<&Foo>(), 1);
+   |                ^^^^^^^^^ expected `&Foo`, found `SmartPtr<'_, Foo>`
+   |
+   = note: expected reference `&Foo`
+                 found struct `SmartPtr<'_, Foo, >`
+
+error: aborting due to 8 previous errors
+
+Some errors have detailed explanations: E0308, E0801.
+For more information about an error, try `rustc --explain E0308`.
diff --git a/tests/ui/self/arbitrary-self-from-method-substs.default.stderr b/tests/ui/self/arbitrary-self-from-method-substs.default.stderr
index 5dc3a0b0234..7cf9c9a3afd 100644
--- a/tests/ui/self/arbitrary-self-from-method-substs.default.stderr
+++ b/tests/ui/self/arbitrary-self-from-method-substs.default.stderr
@@ -61,7 +61,7 @@ LL |     fn get6<FR: FindReceiver>(self: FR::Receiver, other: FR) -> u32 {
    = note: see issue #44874 <https://github.com/rust-lang/rust/issues/44874> for more information
    = help: add `#![feature(arbitrary_self_types)]` to the crate attributes to enable
    = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
-   = help: consider changing to `self`, `&self`, `&mut self`, `self: Box<Self>`, `self: Rc<Self>`, `self: Arc<Self>`, or `self: Pin<P>` (where P is one of the previous types except `Self`)
+   = help: consider changing to `self`, `&self`, `&mut self`, or a type implementing `Receiver` such as `self: Box<Self>`, `self: Rc<Self>`, or `self: Arc<Self>`
 
 error[E0658]: `R` cannot be used as the type of `self` without the `arbitrary_self_types` feature
   --> $DIR/arbitrary-self-from-method-substs.rs:61:18
@@ -72,7 +72,7 @@ LL |     fn get(self: R) {}
    = note: see issue #44874 <https://github.com/rust-lang/rust/issues/44874> for more information
    = help: add `#![feature(arbitrary_self_types)]` to the crate attributes to enable
    = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
-   = help: consider changing to `self`, `&self`, `&mut self`, `self: Box<Self>`, `self: Rc<Self>`, `self: Arc<Self>`, or `self: Pin<P>` (where P is one of the previous types except `Self`)
+   = help: consider changing to `self`, `&self`, `&mut self`, or a type implementing `Receiver` such as `self: Box<Self>`, `self: Rc<Self>`, or `self: Arc<Self>`
 
 error[E0271]: type mismatch resolving `<Silly as FindReceiver>::Receiver == Foo`
   --> $DIR/arbitrary-self-from-method-substs.rs:92:9
diff --git a/tests/ui/self/arbitrary-self-opaque.stderr b/tests/ui/self/arbitrary-self-opaque.stderr
index c75165d9f8e..0469aca27dc 100644
--- a/tests/ui/self/arbitrary-self-opaque.stderr
+++ b/tests/ui/self/arbitrary-self-opaque.stderr
@@ -4,8 +4,8 @@ error[E0307]: invalid `self` parameter type: `Bar`
 LL |     fn foo(self: Bar) {}
    |                  ^^^
    |
-   = note: type of `self` must be `Self` or a type that dereferences to it
-   = help: consider changing to `self`, `&self`, `&mut self`, `self: Box<Self>`, `self: Rc<Self>`, `self: Arc<Self>`, or `self: Pin<P>` (where P is one of the previous types except `Self`)
+   = note: type of `self` must be `Self` or some type implementing `Receiver`
+   = help: consider changing to `self`, `&self`, `&mut self`, or a type implementing `Receiver` such as `self: Box<Self>`, `self: Rc<Self>`, or `self: Arc<Self>`
 
 error: item does not constrain `Bar::{opaque#0}`, but has it in its signature
   --> $DIR/arbitrary-self-opaque.rs:7:8
diff --git a/tests/ui/self/arbitrary_self_types_by_value_reborrow.rs b/tests/ui/self/arbitrary_self_types_by_value_reborrow.rs
new file mode 100644
index 00000000000..de4db1b9afe
--- /dev/null
+++ b/tests/ui/self/arbitrary_self_types_by_value_reborrow.rs
@@ -0,0 +1,69 @@
+//@ run-pass
+
+#![feature(arbitrary_self_types)]
+#![allow(dead_code)]
+
+// With arbitrary self types v2, we show an error if there are
+// multiple contenders for a method call in an inner and outer type.
+// The goal is to avoid any possibility of confusion by a new
+// 'shadowing' method calling a 'shadowed' method.
+// However, there are niche circumstances where this
+// algorithm doesn't quite work, due to reborrows to get a different
+// lifetime. The test below explicitly tests those circumstances to ensure
+// the behavior is as expected, even if it's not 100% desirable. They're
+// very niche circumstances.
+
+#[derive(Debug, PartialEq)]
+enum Callee {
+    INNER,
+    OUTER
+}
+
+struct MyNonNull<T>(T);
+
+impl<T> std::ops::Receiver for MyNonNull<T> {
+    type Target = T;
+}
+
+struct A;
+impl A {
+    fn foo(self: MyNonNull<A>) -> Callee {
+        Callee::INNER
+    }
+
+    fn bar(self: &MyNonNull<A>) -> Callee {
+        Callee::INNER
+    }
+
+    fn baz(self: &&MyNonNull<A>) -> Callee {
+        // note this is by DOUBLE reference
+        Callee::INNER
+    }
+}
+
+impl<T> MyNonNull<T> {
+    fn foo(&self) -> Callee{
+        Callee::OUTER
+    }
+
+    fn bar(&self) -> Callee{
+        Callee::OUTER
+    }
+
+    fn baz(&self) -> Callee{
+        Callee::OUTER
+    }
+}
+
+fn main() {
+    // The normal deshadowing case. Does not compile.
+    // assert_eq!(MyNonNull(A).foo(), Callee::INNER);
+
+    // Similarly, does not compile.
+    //assert_eq!(MyNonNull(A).bar(), Callee::INNER);
+
+    // The double-reference case.
+    // We call the newly-added outer type method.
+    // Not ideal but very niche so we accept it.
+    assert_eq!(MyNonNull(A).baz(), Callee::OUTER);
+}
diff --git a/tests/ui/self/arbitrary_self_types_generic_over_receiver.rs b/tests/ui/self/arbitrary_self_types_generic_over_receiver.rs
new file mode 100644
index 00000000000..8ccda9368ad
--- /dev/null
+++ b/tests/ui/self/arbitrary_self_types_generic_over_receiver.rs
@@ -0,0 +1,23 @@
+#![feature(arbitrary_self_types)]
+
+use std::ops::{Receiver, Deref};
+
+struct Foo(u32);
+impl Foo {
+    fn a(self: impl Receiver<Target=Self>) -> u32 {
+        //~^ ERROR invalid generic `self` parameter type: `impl Receiver<Target = Self>`
+        3
+    }
+    fn b(self: impl Deref<Target=Self>) -> u32 {
+        //~^ ERROR invalid generic `self` parameter type: `impl Deref<Target = Self>`
+        self.0
+    }
+}
+
+fn main() {
+    let foo = Foo(1);
+    foo.a();
+    //~^ ERROR the trait bound
+    foo.b();
+    //~^ ERROR the trait bound
+}
diff --git a/tests/ui/self/arbitrary_self_types_generic_over_receiver.stderr b/tests/ui/self/arbitrary_self_types_generic_over_receiver.stderr
new file mode 100644
index 00000000000..2da3925341e
--- /dev/null
+++ b/tests/ui/self/arbitrary_self_types_generic_over_receiver.stderr
@@ -0,0 +1,59 @@
+error[E0801]: invalid generic `self` parameter type: `impl Receiver<Target = Self>`
+  --> $DIR/arbitrary_self_types_generic_over_receiver.rs:7:16
+   |
+LL |     fn a(self: impl Receiver<Target=Self>) -> u32 {
+   |                ^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+   = note: type of `self` must not be a method generic parameter type
+   = help: use a concrete type such as `self`, `&self`, `&mut self`, `self: Box<Self>`, `self: Rc<Self>`, `self: Arc<Self>`, or `self: Pin<P>` (where P is one of the previous types except `Self`)
+
+error[E0801]: invalid generic `self` parameter type: `impl Deref<Target = Self>`
+  --> $DIR/arbitrary_self_types_generic_over_receiver.rs:11:16
+   |
+LL |     fn b(self: impl Deref<Target=Self>) -> u32 {
+   |                ^^^^^^^^^^^^^^^^^^^^^^^
+   |
+   = note: type of `self` must not be a method generic parameter type
+   = help: use a concrete type such as `self`, `&self`, `&mut self`, `self: Box<Self>`, `self: Rc<Self>`, `self: Arc<Self>`, or `self: Pin<P>` (where P is one of the previous types except `Self`)
+
+error[E0277]: the trait bound `Foo: std::ops::Receiver` is not satisfied
+  --> $DIR/arbitrary_self_types_generic_over_receiver.rs:19:9
+   |
+LL |     foo.a();
+   |         ^ the trait `std::ops::Receiver` is not implemented for `Foo`
+   |
+   = note: required for `Foo` to implement `std::ops::Receiver`
+note: required by a bound in `Foo::a`
+  --> $DIR/arbitrary_self_types_generic_over_receiver.rs:7:21
+   |
+LL |     fn a(self: impl Receiver<Target=Self>) -> u32 {
+   |                     ^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Foo::a`
+help: consider borrowing here
+   |
+LL |     &foo.a();
+   |     +
+LL |     &mut foo.a();
+   |     ++++
+
+error[E0277]: the trait bound `Foo: Deref` is not satisfied
+  --> $DIR/arbitrary_self_types_generic_over_receiver.rs:21:9
+   |
+LL |     foo.b();
+   |         ^ the trait `Deref` is not implemented for `Foo`
+   |
+note: required by a bound in `Foo::b`
+  --> $DIR/arbitrary_self_types_generic_over_receiver.rs:11:21
+   |
+LL |     fn b(self: impl Deref<Target=Self>) -> u32 {
+   |                     ^^^^^^^^^^^^^^^^^^ required by this bound in `Foo::b`
+help: consider borrowing here
+   |
+LL |     &foo.b();
+   |     +
+LL |     &mut foo.b();
+   |     ++++
+
+error: aborting due to 4 previous errors
+
+Some errors have detailed explanations: E0277, E0801.
+For more information about an error, try `rustc --explain E0277`.
diff --git a/tests/ui/self/arbitrary_self_types_generic_receiver.rs b/tests/ui/self/arbitrary_self_types_generic_receiver.rs
new file mode 100644
index 00000000000..0739fb778b6
--- /dev/null
+++ b/tests/ui/self/arbitrary_self_types_generic_receiver.rs
@@ -0,0 +1,50 @@
+#![feature(arbitrary_self_types)]
+
+struct PtrA<T>(T);
+
+impl<T> core::ops::Receiver for PtrA<T> {
+    type Target = T;
+}
+
+struct PtrB<T>(T);
+
+trait SomePtr: core::ops::Receiver<Target=<Self as SomePtr>::SomeTarget> {
+    type SomeTarget;
+}
+
+impl<T> SomePtr for PtrB<T> {
+    type SomeTarget = T;
+}
+
+impl<T> core::ops::Receiver for PtrB<T> {
+    type Target = T;
+}
+
+struct Content;
+
+impl Content {
+    fn a<R: core::ops::Receiver<Target=Self>>(self: &R) {}
+    //~^ ERROR invalid generic
+    fn b<R: core::ops::Receiver<Target=Self>>(self: &mut R) {}
+    //~^ ERROR invalid generic
+    fn c<R: core::ops::Receiver<Target=Self>>(self: R) {}
+    //~^ ERROR invalid generic
+    fn d<R: SomePtr<SomeTarget=Self>>(self: R) {}
+    //~^ ERROR invalid generic
+    fn e(self: impl SomePtr<SomeTarget=Self>) {}
+    //~^ ERROR invalid generic
+}
+
+fn main() {
+    PtrA(Content).a();
+    PtrA(Content).b();
+    PtrA(Content).c();
+    std::rc::Rc::new(Content).a();
+    std::rc::Rc::new(Content).b();
+    std::rc::Rc::new(Content).c();
+    PtrB(Content).a();
+    PtrB(Content).b();
+    PtrB(Content).c();
+    PtrB(Content).d();
+    PtrB(Content).e();
+}
diff --git a/tests/ui/self/arbitrary_self_types_generic_receiver.stderr b/tests/ui/self/arbitrary_self_types_generic_receiver.stderr
new file mode 100644
index 00000000000..788c55ea2f1
--- /dev/null
+++ b/tests/ui/self/arbitrary_self_types_generic_receiver.stderr
@@ -0,0 +1,48 @@
+error[E0801]: invalid generic `self` parameter type: `&R`
+  --> $DIR/arbitrary_self_types_generic_receiver.rs:26:53
+   |
+LL |     fn a<R: core::ops::Receiver<Target=Self>>(self: &R) {}
+   |                                                     ^^
+   |
+   = note: type of `self` must not be a method generic parameter type
+   = help: use a concrete type such as `self`, `&self`, `&mut self`, `self: Box<Self>`, `self: Rc<Self>`, `self: Arc<Self>`, or `self: Pin<P>` (where P is one of the previous types except `Self`)
+
+error[E0801]: invalid generic `self` parameter type: `&mut R`
+  --> $DIR/arbitrary_self_types_generic_receiver.rs:28:53
+   |
+LL |     fn b<R: core::ops::Receiver<Target=Self>>(self: &mut R) {}
+   |                                                     ^^^^^^
+   |
+   = note: type of `self` must not be a method generic parameter type
+   = help: use a concrete type such as `self`, `&self`, `&mut self`, `self: Box<Self>`, `self: Rc<Self>`, `self: Arc<Self>`, or `self: Pin<P>` (where P is one of the previous types except `Self`)
+
+error[E0801]: invalid generic `self` parameter type: `R`
+  --> $DIR/arbitrary_self_types_generic_receiver.rs:30:53
+   |
+LL |     fn c<R: core::ops::Receiver<Target=Self>>(self: R) {}
+   |                                                     ^
+   |
+   = note: type of `self` must not be a method generic parameter type
+   = help: use a concrete type such as `self`, `&self`, `&mut self`, `self: Box<Self>`, `self: Rc<Self>`, `self: Arc<Self>`, or `self: Pin<P>` (where P is one of the previous types except `Self`)
+
+error[E0801]: invalid generic `self` parameter type: `R`
+  --> $DIR/arbitrary_self_types_generic_receiver.rs:32:45
+   |
+LL |     fn d<R: SomePtr<SomeTarget=Self>>(self: R) {}
+   |                                             ^
+   |
+   = note: type of `self` must not be a method generic parameter type
+   = help: use a concrete type such as `self`, `&self`, `&mut self`, `self: Box<Self>`, `self: Rc<Self>`, `self: Arc<Self>`, or `self: Pin<P>` (where P is one of the previous types except `Self`)
+
+error[E0801]: invalid generic `self` parameter type: `impl SomePtr<SomeTarget = Self>`
+  --> $DIR/arbitrary_self_types_generic_receiver.rs:34:16
+   |
+LL |     fn e(self: impl SomePtr<SomeTarget=Self>) {}
+   |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+   = note: type of `self` must not be a method generic parameter type
+   = help: use a concrete type such as `self`, `&self`, `&mut self`, `self: Box<Self>`, `self: Rc<Self>`, `self: Arc<Self>`, or `self: Pin<P>` (where P is one of the previous types except `Self`)
+
+error: aborting due to 5 previous errors
+
+For more information about this error, try `rustc --explain E0801`.
diff --git a/tests/ui/self/arbitrary_self_types_lifetime_elision.rs b/tests/ui/self/arbitrary_self_types_lifetime_elision.rs
new file mode 100644
index 00000000000..fd645c1013b
--- /dev/null
+++ b/tests/ui/self/arbitrary_self_types_lifetime_elision.rs
@@ -0,0 +1,27 @@
+//@ run-pass
+
+#![feature(arbitrary_self_types)]
+
+#[derive(Clone)]
+struct SmartPtr<'a, T: ?Sized>(&'a T);
+
+impl<'a, T: ?Sized> std::ops::Receiver for SmartPtr<'a, T> {
+    type Target = T;
+}
+
+#[derive(Clone)]
+struct MyType;
+
+impl MyType {
+    fn m(self: SmartPtr<Self>) {}
+    fn n(self: SmartPtr<'_, Self>) {}
+    fn o<'a>(self: SmartPtr<'a, Self>) {}
+}
+
+fn main() {
+    let a = MyType;
+    let ptr = SmartPtr(&a);
+    ptr.clone().m();
+    ptr.clone().n();
+    ptr.o();
+}
diff --git a/tests/ui/self/arbitrary_self_types_no_generics.rs b/tests/ui/self/arbitrary_self_types_no_generics.rs
new file mode 100644
index 00000000000..8a6f5741882
--- /dev/null
+++ b/tests/ui/self/arbitrary_self_types_no_generics.rs
@@ -0,0 +1,32 @@
+//@ run-pass
+
+#![feature(arbitrary_self_types)]
+
+pub struct A;
+
+impl A {
+    pub fn f(self: B) -> i32 { 1 }
+}
+
+pub struct B(A);
+
+impl core::ops::Receiver for B {
+    type Target = A;
+}
+
+struct C;
+
+struct D;
+
+impl C {
+    fn weird(self: D) -> i32 { 3 }
+}
+
+impl core::ops::Receiver for D {
+    type Target = C;
+}
+
+fn main() {
+    assert_eq!(B(A).f(), 1);
+    assert_eq!(D.weird(), 3);
+}
diff --git a/tests/ui/self/arbitrary_self_types_not_allow_call_with_no_deref.rs b/tests/ui/self/arbitrary_self_types_not_allow_call_with_no_deref.rs
new file mode 100644
index 00000000000..26e48f69d23
--- /dev/null
+++ b/tests/ui/self/arbitrary_self_types_not_allow_call_with_no_deref.rs
@@ -0,0 +1,38 @@
+#![feature(arbitrary_self_types)]
+
+use std::rc::Rc;
+
+struct Foo;
+
+struct CppRef<T>(T);
+
+impl<T> std::ops::Receiver for CppRef<T> {
+    type Target = T;
+}
+
+impl Foo{
+    fn frobnicate_self(self) {}
+    fn frobnicate_ref(&self) {}
+    fn frobnicate_cpp_ref(self: CppRef<Self>) {}
+}
+
+fn main() {
+    let foo_rc = Rc::new(Foo);
+
+    // this compiles fine, and desugars to `Foo::frobnicate_ref(&*foo_rc)`
+    foo_rc.frobnicate_ref();
+
+    let foo_cpp_ref = CppRef(Foo);
+
+    // should not compile because it would desugar to `Foo::frobnicate_ref(&*foo_cpp_ref)`
+    // and you can't deref a CppRef
+    foo_cpp_ref.frobnicate_ref();
+    //~^ ERROR no method named
+
+    foo_cpp_ref.frobnicate_self(); // would desugar to `Foo::frobnicate_self(*foo_cpp_ref)`
+    //~^ ERROR no method named
+
+    // should compile, because we're not dereffing the CppRef
+    // desugars to `Foo::frobnicate_cpp_ref(foo_cpp_ref)`
+    foo_cpp_ref.frobnicate_cpp_ref();
+}
diff --git a/tests/ui/self/arbitrary_self_types_not_allow_call_with_no_deref.stderr b/tests/ui/self/arbitrary_self_types_not_allow_call_with_no_deref.stderr
new file mode 100644
index 00000000000..4c0ab88493e
--- /dev/null
+++ b/tests/ui/self/arbitrary_self_types_not_allow_call_with_no_deref.stderr
@@ -0,0 +1,39 @@
+error[E0599]: no method named `frobnicate_ref` found for struct `CppRef` in the current scope
+  --> $DIR/arbitrary_self_types_not_allow_call_with_no_deref.rs:29:17
+   |
+LL | struct CppRef<T>(T);
+   | ---------------- method `frobnicate_ref` not found for this struct
+...
+LL |     foo_cpp_ref.frobnicate_ref();
+   |                 ^^^^^^^^^^^^^^
+   |
+help: one of the expressions' fields has a method of the same name
+   |
+LL |     foo_cpp_ref.0.frobnicate_ref();
+   |                 ++
+help: there is a method `frobnicate_cpp_ref` with a similar name
+   |
+LL |     foo_cpp_ref.frobnicate_cpp_ref();
+   |                 ~~~~~~~~~~~~~~~~~~
+
+error[E0599]: no method named `frobnicate_self` found for struct `CppRef` in the current scope
+  --> $DIR/arbitrary_self_types_not_allow_call_with_no_deref.rs:32:17
+   |
+LL | struct CppRef<T>(T);
+   | ---------------- method `frobnicate_self` not found for this struct
+...
+LL |     foo_cpp_ref.frobnicate_self(); // would desugar to `Foo::frobnicate_self(*foo_cpp_ref)`
+   |                 ^^^^^^^^^^^^^^^
+   |
+help: one of the expressions' fields has a method of the same name
+   |
+LL |     foo_cpp_ref.0.frobnicate_self(); // would desugar to `Foo::frobnicate_self(*foo_cpp_ref)`
+   |                 ++
+help: there is a method `frobnicate_cpp_ref` with a similar name
+   |
+LL |     foo_cpp_ref.frobnicate_cpp_ref(); // would desugar to `Foo::frobnicate_self(*foo_cpp_ref)`
+   |                 ~~~~~~~~~~~~~~~~~~
+
+error: aborting due to 2 previous errors
+
+For more information about this error, try `rustc --explain E0599`.
diff --git a/tests/ui/self/arbitrary_self_types_recursive_receiver.rs b/tests/ui/self/arbitrary_self_types_recursive_receiver.rs
new file mode 100644
index 00000000000..f3e7f96d7c4
--- /dev/null
+++ b/tests/ui/self/arbitrary_self_types_recursive_receiver.rs
@@ -0,0 +1,32 @@
+//@ run-pass
+#![feature(arbitrary_self_types)]
+
+struct MyNonNull<T>(*const T);
+
+impl<T> std::ops::Receiver for MyNonNull<T> {
+    type Target = T;
+}
+
+#[allow(dead_code)]
+impl<T> MyNonNull<T> {
+    fn foo<U>(&self) -> *const U {
+        self.cast::<U>().bar()
+    }
+    fn cast<U>(&self) -> MyNonNull<U> {
+        MyNonNull(self.0 as *const U)
+    }
+    fn bar(&self) -> *const T {
+        self.0
+    }
+}
+
+#[repr(transparent)]
+struct Foo(usize);
+#[repr(transparent)]
+struct Bar(usize);
+
+fn main() {
+    let a = Foo(3);
+    let ptr = MyNonNull(&a);
+    let _bar_ptr: *const Bar = ptr.foo();
+}
diff --git a/tests/ui/self/arbitrary_self_types_shadowing_val_constptr.rs b/tests/ui/self/arbitrary_self_types_shadowing_val_constptr.rs
new file mode 100644
index 00000000000..2b718cb0454
--- /dev/null
+++ b/tests/ui/self/arbitrary_self_types_shadowing_val_constptr.rs
@@ -0,0 +1,33 @@
+//@ run-pass
+
+#![feature(arbitrary_self_types)]
+#![feature(arbitrary_self_types_pointers)]
+
+pub struct A;
+
+impl A {
+    pub fn f(self: *const MyNonNull<Self>) -> i32 { 1 }
+}
+
+pub struct MyNonNull<T>(T);
+
+impl<T> core::ops::Receiver for MyNonNull<T> {
+    type Target = T;
+}
+
+impl<T> MyNonNull<T> {
+    // Imagine this a NEW method in B<T> shadowing an EXISTING
+    // method in A.
+    pub fn f(self: *mut Self) -> i32 {
+        2
+    }
+}
+
+fn main() {
+    let mut b = MyNonNull(A);
+    let b = &mut b;
+    let b = b as *mut MyNonNull<A>;
+    // We actually allow the shadowing in the case of const vs mut raw
+    // pointer receivers.
+    assert_eq!(b.f(), 2);
+}
diff --git a/tests/ui/self/arbitrary_self_types_struct_receiver_trait.rs b/tests/ui/self/arbitrary_self_types_struct_receiver_trait.rs
new file mode 100644
index 00000000000..cebf0ea7cba
--- /dev/null
+++ b/tests/ui/self/arbitrary_self_types_struct_receiver_trait.rs
@@ -0,0 +1,31 @@
+//@ run-pass
+#![feature(arbitrary_self_types)]
+
+use std::ops::Receiver;
+
+struct SmartPtr<T>(T);
+
+impl<T> Receiver for SmartPtr<T> {
+    type Target = T;
+}
+
+struct Foo {
+    x: i32,
+    y: i32,
+}
+
+impl Foo {
+    fn x(self: &SmartPtr<Self>) -> i32 {
+        self.0.x
+    }
+
+    fn y(self: SmartPtr<Self>) -> i32 {
+        self.0.y
+    }
+}
+
+fn main() {
+    let foo = SmartPtr(Foo {x: 3, y: 4});
+    assert_eq!(3, foo.x());
+    assert_eq!(4, foo.y());
+}
diff --git a/tests/ui/self/arbitrary_self_types_trait_receiver_trait.rs b/tests/ui/self/arbitrary_self_types_trait_receiver_trait.rs
new file mode 100644
index 00000000000..9c0402da0be
--- /dev/null
+++ b/tests/ui/self/arbitrary_self_types_trait_receiver_trait.rs
@@ -0,0 +1,25 @@
+//@ run-pass
+#![feature(arbitrary_self_types)]
+#![allow(unused_allocation)]
+
+struct SmartPtr<T: ?Sized>(T);
+
+impl<T: ?Sized> std::ops::Receiver for SmartPtr<T> {
+    type Target = T;
+}
+
+trait Trait {
+    fn trait_method<'a>(self: &'a Box<SmartPtr<Self>>) -> &'a [i32];
+}
+
+impl Trait for Vec<i32> {
+    fn trait_method<'a>(self: &'a Box<SmartPtr<Self>>) -> &'a [i32] {
+        &(**self).0
+    }
+}
+
+fn main() {
+    let v = vec![1, 2, 3];
+
+    assert_eq!(&[1, 2, 3], Box::new(SmartPtr(v)).trait_method());
+}
diff --git a/tests/ui/self/arbitrary_self_types_unshadowing.rs b/tests/ui/self/arbitrary_self_types_unshadowing.rs
new file mode 100644
index 00000000000..cd195654cc1
--- /dev/null
+++ b/tests/ui/self/arbitrary_self_types_unshadowing.rs
@@ -0,0 +1,55 @@
+#![feature(arbitrary_self_types)]
+
+pub struct A;
+
+// The receiver of the potentially shadowed method
+// precisely matches that of the shadower
+impl A {
+    pub fn f(self: Wrapper<Self>) -> i32 { 1 }
+    pub fn g(self: &Wrapper<Self>) -> i32 { 2 }
+    pub fn h(self: &mut Wrapper<Self>) -> i32 { 3 }
+}
+
+// The receiver of the potentially shadowed method is a reference
+pub struct B;
+
+impl B {
+    pub fn f(self: &Wrapper<Self>) -> i32 { 9 }
+}
+
+// The receiver of the potentially shadowed method is a mut reference
+
+pub struct C;
+
+impl C {
+    pub fn f(self: &mut Wrapper<Self>) -> i32 { 10 }
+    pub fn g(self: &mut Wrapper<Self>) -> i32 { 11 }
+}
+
+pub struct Wrapper<T>(T);
+
+impl<T> core::ops::Receiver for Wrapper<T> {
+    type Target = T;
+}
+
+impl<T> Wrapper<T> {
+    pub fn f(self) -> i32 { 5 }
+    pub fn g(&self) -> i32 { 6 }
+    pub fn h(&mut self) -> i32 { 7 }
+}
+
+fn main() {
+    assert_eq!(Wrapper(A).f(), 1);
+    //~^ ERROR: multiple applicable items in scope
+    assert_eq!(Wrapper(A).g(), 2);
+    //~^ ERROR: multiple applicable items in scope
+    assert_eq!(Wrapper(A).h(), 3);
+    //~^ ERROR: multiple applicable items in scope
+    let a = Wrapper(A);
+    assert_eq!(Wrapper(B).f(), 9);
+    //~^ ERROR: multiple applicable items in scope
+    assert_eq!(Wrapper(C).f(), 10);
+    //~^ ERROR: multiple applicable items in scope
+    assert_eq!(Wrapper(C).g(), 11);
+    //~^ ERROR: multiple applicable items in scope
+}
diff --git a/tests/ui/self/arbitrary_self_types_unshadowing.stderr b/tests/ui/self/arbitrary_self_types_unshadowing.stderr
new file mode 100644
index 00000000000..3a126c495c9
--- /dev/null
+++ b/tests/ui/self/arbitrary_self_types_unshadowing.stderr
@@ -0,0 +1,105 @@
+error[E0034]: multiple applicable items in scope
+  --> $DIR/arbitrary_self_types_unshadowing.rs:42:27
+   |
+LL |     assert_eq!(Wrapper(A).f(), 1);
+   |                           ^ multiple `f` found
+   |
+note: candidate #1 is defined in an impl for the type `A`
+  --> $DIR/arbitrary_self_types_unshadowing.rs:8:5
+   |
+LL |     pub fn f(self: Wrapper<Self>) -> i32 { 1 }
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+note: candidate #2 is defined in an impl for the type `Wrapper<T>`
+  --> $DIR/arbitrary_self_types_unshadowing.rs:36:5
+   |
+LL |     pub fn f(self) -> i32 { 5 }
+   |     ^^^^^^^^^^^^^^^^^^^^^
+
+error[E0034]: multiple applicable items in scope
+  --> $DIR/arbitrary_self_types_unshadowing.rs:44:27
+   |
+LL |     assert_eq!(Wrapper(A).g(), 2);
+   |                           ^ multiple `g` found
+   |
+note: candidate #1 is defined in an impl for the type `A`
+  --> $DIR/arbitrary_self_types_unshadowing.rs:9:5
+   |
+LL |     pub fn g(self: &Wrapper<Self>) -> i32 { 2 }
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+note: candidate #2 is defined in an impl for the type `Wrapper<T>`
+  --> $DIR/arbitrary_self_types_unshadowing.rs:37:5
+   |
+LL |     pub fn g(&self) -> i32 { 6 }
+   |     ^^^^^^^^^^^^^^^^^^^^^^
+
+error[E0034]: multiple applicable items in scope
+  --> $DIR/arbitrary_self_types_unshadowing.rs:46:27
+   |
+LL |     assert_eq!(Wrapper(A).h(), 3);
+   |                           ^ multiple `h` found
+   |
+note: candidate #1 is defined in an impl for the type `A`
+  --> $DIR/arbitrary_self_types_unshadowing.rs:10:5
+   |
+LL |     pub fn h(self: &mut Wrapper<Self>) -> i32 { 3 }
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+note: candidate #2 is defined in an impl for the type `Wrapper<T>`
+  --> $DIR/arbitrary_self_types_unshadowing.rs:38:5
+   |
+LL |     pub fn h(&mut self) -> i32 { 7 }
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error[E0034]: multiple applicable items in scope
+  --> $DIR/arbitrary_self_types_unshadowing.rs:49:27
+   |
+LL |     assert_eq!(Wrapper(B).f(), 9);
+   |                           ^ multiple `f` found
+   |
+note: candidate #1 is defined in an impl for the type `B`
+  --> $DIR/arbitrary_self_types_unshadowing.rs:17:5
+   |
+LL |     pub fn f(self: &Wrapper<Self>) -> i32 { 9 }
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+note: candidate #2 is defined in an impl for the type `Wrapper<T>`
+  --> $DIR/arbitrary_self_types_unshadowing.rs:36:5
+   |
+LL |     pub fn f(self) -> i32 { 5 }
+   |     ^^^^^^^^^^^^^^^^^^^^^
+
+error[E0034]: multiple applicable items in scope
+  --> $DIR/arbitrary_self_types_unshadowing.rs:51:27
+   |
+LL |     assert_eq!(Wrapper(C).f(), 10);
+   |                           ^ multiple `f` found
+   |
+note: candidate #1 is defined in an impl for the type `C`
+  --> $DIR/arbitrary_self_types_unshadowing.rs:25:5
+   |
+LL |     pub fn f(self: &mut Wrapper<Self>) -> i32 { 10 }
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+note: candidate #2 is defined in an impl for the type `Wrapper<T>`
+  --> $DIR/arbitrary_self_types_unshadowing.rs:36:5
+   |
+LL |     pub fn f(self) -> i32 { 5 }
+   |     ^^^^^^^^^^^^^^^^^^^^^
+
+error[E0034]: multiple applicable items in scope
+  --> $DIR/arbitrary_self_types_unshadowing.rs:53:27
+   |
+LL |     assert_eq!(Wrapper(C).g(), 11);
+   |                           ^ multiple `g` found
+   |
+note: candidate #1 is defined in an impl for the type `C`
+  --> $DIR/arbitrary_self_types_unshadowing.rs:26:5
+   |
+LL |     pub fn g(self: &mut Wrapper<Self>) -> i32 { 11 }
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+note: candidate #2 is defined in an impl for the type `Wrapper<T>`
+  --> $DIR/arbitrary_self_types_unshadowing.rs:37:5
+   |
+LL |     pub fn g(&self) -> i32 { 6 }
+   |     ^^^^^^^^^^^^^^^^^^^^^^
+
+error: aborting due to 6 previous errors
+
+For more information about this error, try `rustc --explain E0034`.
diff --git a/tests/ui/self/arbitrary_self_types_unshadowing_ptrs.rs b/tests/ui/self/arbitrary_self_types_unshadowing_ptrs.rs
new file mode 100644
index 00000000000..62553c2622a
--- /dev/null
+++ b/tests/ui/self/arbitrary_self_types_unshadowing_ptrs.rs
@@ -0,0 +1,61 @@
+#![feature(arbitrary_self_types_pointers)]
+#![feature(arbitrary_self_types)]
+
+pub struct A;
+
+// The receiver of the potentially shadowed method
+// precisely matches that of the shadower
+impl A {
+    pub fn f(self: Wrapper<Self>) -> i32 { 1 }
+    pub fn g(self: &Wrapper<Self>) -> i32 { 2 }
+    pub fn h(self: &mut Wrapper<Self>) -> i32 { 3 }
+    pub fn i(self: *const Wrapper<Self>) -> i32 { 4 }
+}
+
+// The receiver of the potentially shadowed method is a reference
+pub struct B;
+
+impl B {
+    pub fn f(self: &Wrapper<Self>) -> i32 { 9 }
+}
+
+// The receiver of the potentially shadowed method is a mut reference
+
+pub struct C;
+
+impl C {
+    pub fn f(self: &mut Wrapper<Self>) -> i32 { 10 }
+    pub fn g(self: &mut Wrapper<Self>) -> i32 { 11 }
+}
+
+pub struct Wrapper<T>(T);
+
+impl<T> core::ops::Receiver for Wrapper<T> {
+    type Target = T;
+}
+
+impl<T> Wrapper<T> {
+    pub fn f(self) -> i32 { 5 }
+    pub fn g(&self) -> i32 { 6 }
+    pub fn h(&mut self) -> i32 { 7 }
+    pub fn i(self: *const Self) -> i32 { 8 }
+}
+
+fn main() {
+    assert_eq!(Wrapper(A).f(), 1);
+    //~^ ERROR: multiple applicable items in scope
+    assert_eq!(Wrapper(A).g(), 2);
+    //~^ ERROR: multiple applicable items in scope
+    assert_eq!(Wrapper(A).h(), 3);
+    //~^ ERROR: multiple applicable items in scope
+    let a = Wrapper(A);
+    let a_ptr = &a as *const Wrapper<A>;
+    assert_eq!(a_ptr.i(), 4);
+    //~^ ERROR: multiple applicable items in scope
+    assert_eq!(Wrapper(B).f(), 9);
+    //~^ ERROR: multiple applicable items in scope
+    assert_eq!(Wrapper(C).f(), 10);
+    //~^ ERROR: multiple applicable items in scope
+    assert_eq!(Wrapper(C).g(), 11);
+    //~^ ERROR: multiple applicable items in scope
+}
diff --git a/tests/ui/self/arbitrary_self_types_unshadowing_ptrs.stderr b/tests/ui/self/arbitrary_self_types_unshadowing_ptrs.stderr
new file mode 100644
index 00000000000..6d453aed0f0
--- /dev/null
+++ b/tests/ui/self/arbitrary_self_types_unshadowing_ptrs.stderr
@@ -0,0 +1,122 @@
+error[E0034]: multiple applicable items in scope
+  --> $DIR/arbitrary_self_types_unshadowing_ptrs.rs:45:27
+   |
+LL |     assert_eq!(Wrapper(A).f(), 1);
+   |                           ^ multiple `f` found
+   |
+note: candidate #1 is defined in an impl for the type `A`
+  --> $DIR/arbitrary_self_types_unshadowing_ptrs.rs:9:5
+   |
+LL |     pub fn f(self: Wrapper<Self>) -> i32 { 1 }
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+note: candidate #2 is defined in an impl for the type `Wrapper<T>`
+  --> $DIR/arbitrary_self_types_unshadowing_ptrs.rs:38:5
+   |
+LL |     pub fn f(self) -> i32 { 5 }
+   |     ^^^^^^^^^^^^^^^^^^^^^
+
+error[E0034]: multiple applicable items in scope
+  --> $DIR/arbitrary_self_types_unshadowing_ptrs.rs:47:27
+   |
+LL |     assert_eq!(Wrapper(A).g(), 2);
+   |                           ^ multiple `g` found
+   |
+note: candidate #1 is defined in an impl for the type `A`
+  --> $DIR/arbitrary_self_types_unshadowing_ptrs.rs:10:5
+   |
+LL |     pub fn g(self: &Wrapper<Self>) -> i32 { 2 }
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+note: candidate #2 is defined in an impl for the type `Wrapper<T>`
+  --> $DIR/arbitrary_self_types_unshadowing_ptrs.rs:39:5
+   |
+LL |     pub fn g(&self) -> i32 { 6 }
+   |     ^^^^^^^^^^^^^^^^^^^^^^
+
+error[E0034]: multiple applicable items in scope
+  --> $DIR/arbitrary_self_types_unshadowing_ptrs.rs:49:27
+   |
+LL |     assert_eq!(Wrapper(A).h(), 3);
+   |                           ^ multiple `h` found
+   |
+note: candidate #1 is defined in an impl for the type `A`
+  --> $DIR/arbitrary_self_types_unshadowing_ptrs.rs:11:5
+   |
+LL |     pub fn h(self: &mut Wrapper<Self>) -> i32 { 3 }
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+note: candidate #2 is defined in an impl for the type `Wrapper<T>`
+  --> $DIR/arbitrary_self_types_unshadowing_ptrs.rs:40:5
+   |
+LL |     pub fn h(&mut self) -> i32 { 7 }
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error[E0034]: multiple applicable items in scope
+  --> $DIR/arbitrary_self_types_unshadowing_ptrs.rs:53:22
+   |
+LL |     assert_eq!(a_ptr.i(), 4);
+   |                      ^ multiple `i` found
+   |
+note: candidate #1 is defined in an impl for the type `A`
+  --> $DIR/arbitrary_self_types_unshadowing_ptrs.rs:12:5
+   |
+LL |     pub fn i(self: *const Wrapper<Self>) -> i32 { 4 }
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+note: candidate #2 is defined in an impl for the type `Wrapper<T>`
+  --> $DIR/arbitrary_self_types_unshadowing_ptrs.rs:41:5
+   |
+LL |     pub fn i(self: *const Self) -> i32 { 8 }
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error[E0034]: multiple applicable items in scope
+  --> $DIR/arbitrary_self_types_unshadowing_ptrs.rs:55:27
+   |
+LL |     assert_eq!(Wrapper(B).f(), 9);
+   |                           ^ multiple `f` found
+   |
+note: candidate #1 is defined in an impl for the type `B`
+  --> $DIR/arbitrary_self_types_unshadowing_ptrs.rs:19:5
+   |
+LL |     pub fn f(self: &Wrapper<Self>) -> i32 { 9 }
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+note: candidate #2 is defined in an impl for the type `Wrapper<T>`
+  --> $DIR/arbitrary_self_types_unshadowing_ptrs.rs:38:5
+   |
+LL |     pub fn f(self) -> i32 { 5 }
+   |     ^^^^^^^^^^^^^^^^^^^^^
+
+error[E0034]: multiple applicable items in scope
+  --> $DIR/arbitrary_self_types_unshadowing_ptrs.rs:57:27
+   |
+LL |     assert_eq!(Wrapper(C).f(), 10);
+   |                           ^ multiple `f` found
+   |
+note: candidate #1 is defined in an impl for the type `C`
+  --> $DIR/arbitrary_self_types_unshadowing_ptrs.rs:27:5
+   |
+LL |     pub fn f(self: &mut Wrapper<Self>) -> i32 { 10 }
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+note: candidate #2 is defined in an impl for the type `Wrapper<T>`
+  --> $DIR/arbitrary_self_types_unshadowing_ptrs.rs:38:5
+   |
+LL |     pub fn f(self) -> i32 { 5 }
+   |     ^^^^^^^^^^^^^^^^^^^^^
+
+error[E0034]: multiple applicable items in scope
+  --> $DIR/arbitrary_self_types_unshadowing_ptrs.rs:59:27
+   |
+LL |     assert_eq!(Wrapper(C).g(), 11);
+   |                           ^ multiple `g` found
+   |
+note: candidate #1 is defined in an impl for the type `C`
+  --> $DIR/arbitrary_self_types_unshadowing_ptrs.rs:28:5
+   |
+LL |     pub fn g(self: &mut Wrapper<Self>) -> i32 { 11 }
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+note: candidate #2 is defined in an impl for the type `Wrapper<T>`
+  --> $DIR/arbitrary_self_types_unshadowing_ptrs.rs:39:5
+   |
+LL |     pub fn g(&self) -> i32 { 6 }
+   |     ^^^^^^^^^^^^^^^^^^^^^^
+
+error: aborting due to 7 previous errors
+
+For more information about this error, try `rustc --explain E0034`.
diff --git a/tests/ui/self/conflicting_inner.rs b/tests/ui/self/conflicting_inner.rs
new file mode 100644
index 00000000000..1a7037dce73
--- /dev/null
+++ b/tests/ui/self/conflicting_inner.rs
@@ -0,0 +1,38 @@
+//@ run-pass
+//@ revisions: default feature
+#![cfg_attr(feature, feature(arbitrary_self_types))]
+
+// This test aims to be like the IndexVec within rustc, and conflicts
+// over its into_iter().
+
+#[allow(dead_code)]
+trait Foo {
+    fn foo(self) -> usize;
+}
+
+struct IndexVec<T>(T);
+
+impl<T> std::ops::Deref for IndexVec<T> {
+    type Target = T;
+
+    fn deref(&self) -> &Self::Target {
+        &self.0
+    }
+}
+
+impl<'a, T> Foo for &'a IndexVec<T> {
+    fn foo(self) -> usize {
+        2
+    }
+}
+
+impl<T> IndexVec<T> {
+    fn foo(self) -> usize {
+        1
+    }
+}
+
+fn main() {
+    let ivec = IndexVec(0usize);
+    assert_eq!(ivec.foo(), 1);
+}
diff --git a/tests/ui/self/conflicting_inner2.rs b/tests/ui/self/conflicting_inner2.rs
new file mode 100644
index 00000000000..e6a6b5ef793
--- /dev/null
+++ b/tests/ui/self/conflicting_inner2.rs
@@ -0,0 +1,63 @@
+//@ run-pass
+//@ revisions: default feature
+#![cfg_attr(feature, feature(arbitrary_self_types))]
+
+use std::pin::Pin;
+use std::ops::DerefMut;
+use std::marker::Unpin;
+
+struct TryChunks;
+
+impl TryChunks {
+    #[allow(dead_code)]
+    fn take(self: std::pin::Pin<&mut Self>) -> usize {
+        1
+    }
+}
+
+#[allow(dead_code)]
+trait Stream {
+    fn poll_next(self: std::pin::Pin<&mut Self>);
+}
+
+#[allow(dead_code)]
+trait StreamExt: Stream {
+    #[allow(dead_code)]
+    fn take(self) -> usize where Self: Sized
+    {
+        2
+    }
+}
+
+impl<T: ?Sized> StreamExt for T where T: Stream {}
+
+impl Stream for TryChunks {
+    fn poll_next(self: std::pin::Pin<&mut Self>) {
+        assert_eq!(self.take(), 1);
+    }
+}
+
+#[allow(dead_code)]
+impl<S: ?Sized + Stream + Unpin> Stream for &mut S {
+    #[allow(dead_code)]
+    fn poll_next(mut self: Pin<&mut Self>)  {
+        S::poll_next(Pin::new(&mut **self))
+    }
+}
+
+#[allow(dead_code)]
+impl<P> Stream for Pin<P>
+where
+    P: DerefMut + Unpin,
+    P::Target: Stream,
+{
+    #[allow(dead_code)]
+    fn poll_next(self: Pin<&mut Self>) {
+        self.get_mut().as_mut().poll_next()
+    }
+}
+
+fn main() {
+    let mut item = Box::pin(TryChunks);
+    item.as_mut().poll_next();
+}
diff --git a/tests/ui/span/issue-27522.stderr b/tests/ui/span/issue-27522.stderr
index c57a100bbe2..04904b0ddc1 100644
--- a/tests/ui/span/issue-27522.stderr
+++ b/tests/ui/span/issue-27522.stderr
@@ -4,8 +4,8 @@ error[E0307]: invalid `self` parameter type: `&SomeType`
 LL |     fn handler(self: &SomeType);
    |                      ^^^^^^^^^
    |
-   = note: type of `self` must be `Self` or a type that dereferences to it
-   = help: consider changing to `self`, `&self`, `&mut self`, `self: Box<Self>`, `self: Rc<Self>`, `self: Arc<Self>`, or `self: Pin<P>` (where P is one of the previous types except `Self`)
+   = note: type of `self` must be `Self` or some type implementing `Receiver`
+   = help: consider changing to `self`, `&self`, `&mut self`, or a type implementing `Receiver` such as `self: Box<Self>`, `self: Rc<Self>`, or `self: Arc<Self>`
 
 error: aborting due to 1 previous error
 
diff --git a/tests/ui/specialization/const_trait_impl.stderr b/tests/ui/specialization/const_trait_impl.stderr
index 607fc06823e..3e1260ff09c 100644
--- a/tests/ui/specialization/const_trait_impl.stderr
+++ b/tests/ui/specialization/const_trait_impl.stderr
@@ -2,42 +2,57 @@ error: `~const` can only be applied to `#[const_trait]` traits
   --> $DIR/const_trait_impl.rs:34:9
    |
 LL | impl<T: ~const Default> const A for T {
-   |         ^^^^^^
+   |         ^^^^^^ can't be applied to `Default`
+   |
+note: `Default` can't be used with `~const` because it isn't annotated with `#[const_trait]`
+  --> $SRC_DIR/core/src/default.rs:LL:COL
 
 error: `~const` can only be applied to `#[const_trait]` traits
   --> $DIR/const_trait_impl.rs:40:9
    |
 LL | impl<T: ~const Default + ~const Sup> const A for T {
-   |         ^^^^^^
+   |         ^^^^^^ can't be applied to `Default`
+   |
+note: `Default` can't be used with `~const` because it isn't annotated with `#[const_trait]`
+  --> $SRC_DIR/core/src/default.rs:LL:COL
 
 error: `~const` can only be applied to `#[const_trait]` traits
   --> $DIR/const_trait_impl.rs:46:9
    |
 LL | impl<T: ~const Default + ~const Sub> const A for T {
-   |         ^^^^^^
+   |         ^^^^^^ can't be applied to `Default`
+   |
+note: `Default` can't be used with `~const` because it isn't annotated with `#[const_trait]`
+  --> $SRC_DIR/core/src/default.rs:LL:COL
 
 error: `~const` can only be applied to `#[const_trait]` traits
   --> $DIR/const_trait_impl.rs:40:9
    |
 LL | impl<T: ~const Default + ~const Sup> const A for T {
-   |         ^^^^^^
+   |         ^^^^^^ can't be applied to `Default`
    |
+note: `Default` can't be used with `~const` because it isn't annotated with `#[const_trait]`
+  --> $SRC_DIR/core/src/default.rs:LL:COL
    = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
 
 error: `~const` can only be applied to `#[const_trait]` traits
   --> $DIR/const_trait_impl.rs:34:9
    |
 LL | impl<T: ~const Default> const A for T {
-   |         ^^^^^^
+   |         ^^^^^^ can't be applied to `Default`
    |
+note: `Default` can't be used with `~const` because it isn't annotated with `#[const_trait]`
+  --> $SRC_DIR/core/src/default.rs:LL:COL
    = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
 
 error: `~const` can only be applied to `#[const_trait]` traits
   --> $DIR/const_trait_impl.rs:46:9
    |
 LL | impl<T: ~const Default + ~const Sub> const A for T {
-   |         ^^^^^^
+   |         ^^^^^^ can't be applied to `Default`
    |
+note: `Default` can't be used with `~const` because it isn't annotated with `#[const_trait]`
+  --> $SRC_DIR/core/src/default.rs:LL:COL
    = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
 
 error: aborting due to 6 previous errors
diff --git a/tests/ui/structs/default-field-values-support.rs b/tests/ui/structs/default-field-values-support.rs
index da0379af94b..8209d6dd4a0 100644
--- a/tests/ui/structs/default-field-values-support.rs
+++ b/tests/ui/structs/default-field-values-support.rs
@@ -1,18 +1,23 @@
+// Exercise the `default_field_values` feature to confirm it interacts correctly with other nightly
+// features. In particular, we want to verify that interaction with consts coming from different
+// contexts are usable as a default field value.
 //@ run-pass
 //@ aux-build:struct_field_default.rs
-#![feature(default_field_values, generic_const_exprs)]
+#![feature(const_trait_impl, default_field_values, generic_const_exprs)]
 #![allow(unused_variables, dead_code, incomplete_features)]
 
 extern crate struct_field_default as xc;
 
 pub struct S;
 
+// Basic expressions and `Default` expansion
 #[derive(Default)]
 pub struct Foo {
     pub bar: S = S,
     pub baz: i32 = 42 + 3,
 }
 
+// Enum support for deriving `Default` when all fields have default values
 #[derive(Default)]
 pub enum Bar {
     #[default]
@@ -22,17 +27,27 @@ pub enum Bar {
     }
 }
 
-#[derive(Default)]
-pub struct Qux<A, const C: i32> {
-    bar: S = Qux::<A, C>::S,
-    baz: i32 = foo(),
-    bat: i32 = <Qux<A, C> as T>::K,
-    baq: i32 = Self::K,
-    bay: i32 = C,
-    bak: Vec<A> = Vec::new(),
+#[const_trait] pub trait ConstDefault {
+    fn value() -> Self;
+}
+
+impl const ConstDefault for i32 {
+    fn value() -> i32 {
+        101
+    }
+}
+
+pub struct Qux<A, const C: i32, X: const ConstDefault> {
+    bar: S = Qux::<A, C, X>::S, // Associated constant from inherent impl
+    baz: i32 = foo(), // Constant function
+    bat: i32 = <Qux<A, C, X> as T>::K, // Associated constant from explicit trait
+    baq: i32 = Self::K, // Associated constant from implicit trait
+    bay: i32 = C, // `const` parameter
+    bak: Vec<A> = Vec::new(), // Associated constant function
+    ban: X = X::value(), // Associated constant function from `const` trait parameter
 }
 
-impl<A, const C: i32> Qux<A, C> {
+impl<A, const C: i32, X: const ConstDefault> Qux<A, C, X> {
     const S: S = S;
 }
 
@@ -40,7 +55,7 @@ trait T {
     const K: i32;
 }
 
-impl<A, const C: i32> T for Qux<A, C> {
+impl<A, const C: i32, X: const ConstDefault> T for Qux<A, C, X> {
     const K: i32 = 2;
 }
 
@@ -65,8 +80,19 @@ fn main () {
     assert!(matches!(Bar::Foo { bar: S, baz: 45 }, y));
     assert!(matches!(Bar::Foo { bar: S, baz: 1 }, z));
 
-    let x = Qux::<i32, 4> { .. };
-    assert!(matches!(Qux::<i32, 4> { bar: S, baz: 42, bat: 2, baq: 2, bay: 4, .. }, x));
+    let x = Qux::<i32, 4, i32> { .. };
+    assert!(matches!(
+        Qux::<i32, 4, i32> {
+            bar: S,
+            baz: 42,
+            bat: 2,
+            baq: 2,
+            bay: 4,
+            ban: 101,
+            ..
+        },
+        x,
+    ));
     assert!(x.bak.is_empty());
 
     let x = xc::A { .. };
diff --git a/tests/ui/suggestions/async-fn-ctor-passed-as-arg-where-it-should-have-been-called.rs b/tests/ui/suggestions/async-fn-ctor-passed-as-arg-where-it-should-have-been-called.rs
index 11ed167b44a..8e67f4e7398 100644
--- a/tests/ui/suggestions/async-fn-ctor-passed-as-arg-where-it-should-have-been-called.rs
+++ b/tests/ui/suggestions/async-fn-ctor-passed-as-arg-where-it-should-have-been-called.rs
@@ -1,5 +1,4 @@
 //@ edition:2018
-#![feature(async_closure)]
 use std::future::Future;
 
 async fn foo() {}
diff --git a/tests/ui/suggestions/async-fn-ctor-passed-as-arg-where-it-should-have-been-called.stderr b/tests/ui/suggestions/async-fn-ctor-passed-as-arg-where-it-should-have-been-called.stderr
index a040e71cf3b..696b156d5a5 100644
--- a/tests/ui/suggestions/async-fn-ctor-passed-as-arg-where-it-should-have-been-called.stderr
+++ b/tests/ui/suggestions/async-fn-ctor-passed-as-arg-where-it-should-have-been-called.stderr
@@ -1,5 +1,5 @@
 error[E0277]: `fn() -> impl Future<Output = ()> {foo}` is not a future
-  --> $DIR/async-fn-ctor-passed-as-arg-where-it-should-have-been-called.rs:10:9
+  --> $DIR/async-fn-ctor-passed-as-arg-where-it-should-have-been-called.rs:9:9
    |
 LL |     bar(foo);
    |     --- ^^^ `fn() -> impl Future<Output = ()> {foo}` is not a future
@@ -8,7 +8,7 @@ LL |     bar(foo);
    |
    = help: the trait `Future` is not implemented for fn item `fn() -> impl Future<Output = ()> {foo}`
 note: required by a bound in `bar`
-  --> $DIR/async-fn-ctor-passed-as-arg-where-it-should-have-been-called.rs:7:16
+  --> $DIR/async-fn-ctor-passed-as-arg-where-it-should-have-been-called.rs:6:16
    |
 LL | fn bar(f: impl Future<Output=()>) {}
    |                ^^^^^^^^^^^^^^^^^ required by this bound in `bar`
@@ -17,17 +17,17 @@ help: use parentheses to call this function
 LL |     bar(foo());
    |            ++
 
-error[E0277]: `{async closure@$DIR/async-fn-ctor-passed-as-arg-where-it-should-have-been-called.rs:11:25: 11:33}` is not a future
-  --> $DIR/async-fn-ctor-passed-as-arg-where-it-should-have-been-called.rs:12:9
+error[E0277]: `{async closure@$DIR/async-fn-ctor-passed-as-arg-where-it-should-have-been-called.rs:10:25: 10:33}` is not a future
+  --> $DIR/async-fn-ctor-passed-as-arg-where-it-should-have-been-called.rs:11:9
    |
 LL |     bar(async_closure);
-   |     --- ^^^^^^^^^^^^^ `{async closure@$DIR/async-fn-ctor-passed-as-arg-where-it-should-have-been-called.rs:11:25: 11:33}` is not a future
+   |     --- ^^^^^^^^^^^^^ `{async closure@$DIR/async-fn-ctor-passed-as-arg-where-it-should-have-been-called.rs:10:25: 10:33}` is not a future
    |     |
    |     required by a bound introduced by this call
    |
-   = help: the trait `Future` is not implemented for `{async closure@$DIR/async-fn-ctor-passed-as-arg-where-it-should-have-been-called.rs:11:25: 11:33}`
+   = help: the trait `Future` is not implemented for `{async closure@$DIR/async-fn-ctor-passed-as-arg-where-it-should-have-been-called.rs:10:25: 10:33}`
 note: required by a bound in `bar`
-  --> $DIR/async-fn-ctor-passed-as-arg-where-it-should-have-been-called.rs:7:16
+  --> $DIR/async-fn-ctor-passed-as-arg-where-it-should-have-been-called.rs:6:16
    |
 LL | fn bar(f: impl Future<Output=()>) {}
    |                ^^^^^^^^^^^^^^^^^ required by this bound in `bar`
diff --git a/tests/ui/suggestions/dyn-incompatible-trait-should-use-where-sized.stderr b/tests/ui/suggestions/dyn-incompatible-trait-should-use-where-sized.stderr
index beafd7c2ab0..eb9f9196a72 100644
--- a/tests/ui/suggestions/dyn-incompatible-trait-should-use-where-sized.stderr
+++ b/tests/ui/suggestions/dyn-incompatible-trait-should-use-where-sized.stderr
@@ -32,8 +32,8 @@ error[E0307]: invalid `self` parameter type: `()`
 LL |     fn bar(self: ()) {}
    |                  ^^
    |
-   = note: type of `self` must be `Self` or a type that dereferences to it
-   = help: consider changing to `self`, `&self`, `&mut self`, `self: Box<Self>`, `self: Rc<Self>`, `self: Arc<Self>`, or `self: Pin<P>` (where P is one of the previous types except `Self`)
+   = note: type of `self` must be `Self` or some type implementing `Receiver`
+   = help: consider changing to `self`, `&self`, `&mut self`, or a type implementing `Receiver` such as `self: Box<Self>`, `self: Rc<Self>`, or `self: Arc<Self>`
 
 error: aborting due to 2 previous errors
 
diff --git a/tests/ui/suggestions/method-missing-parentheses.rs b/tests/ui/suggestions/method-missing-parentheses.rs
index f10bfb56d2e..bc576b71f0d 100644
--- a/tests/ui/suggestions/method-missing-parentheses.rs
+++ b/tests/ui/suggestions/method-missing-parentheses.rs
@@ -1,5 +1,4 @@
 fn main() {
     let _ = vec![].into_iter().collect::<usize>;
     //~^ ERROR attempted to take value of method `collect` on type `std::vec::IntoIter<_>`
-    //~| ERROR field expressions cannot have generic arguments
 }
diff --git a/tests/ui/suggestions/method-missing-parentheses.stderr b/tests/ui/suggestions/method-missing-parentheses.stderr
index 1bfff56a6a9..f0ff1f0334a 100644
--- a/tests/ui/suggestions/method-missing-parentheses.stderr
+++ b/tests/ui/suggestions/method-missing-parentheses.stderr
@@ -1,9 +1,3 @@
-error: field expressions cannot have generic arguments
-  --> $DIR/method-missing-parentheses.rs:2:41
-   |
-LL |     let _ = vec![].into_iter().collect::<usize>;
-   |                                         ^^^^^^^
-
 error[E0615]: attempted to take value of method `collect` on type `std::vec::IntoIter<_>`
   --> $DIR/method-missing-parentheses.rs:2:32
    |
@@ -15,6 +9,6 @@ help: use parentheses to call the method
 LL |     let _ = vec![].into_iter().collect::<usize>();
    |                                                ++
 
-error: aborting due to 2 previous errors
+error: aborting due to 1 previous error
 
 For more information about this error, try `rustc --explain E0615`.
diff --git a/tests/ui/suggestions/suggest-boxed-empty-block.fixed b/tests/ui/suggestions/suggest-boxed-empty-block.fixed
index 25cb4dc74b1..a43e4405a76 100644
--- a/tests/ui/suggestions/suggest-boxed-empty-block.fixed
+++ b/tests/ui/suggestions/suggest-boxed-empty-block.fixed
@@ -1,5 +1,3 @@
-#![feature(async_closure)]
-
 //@ edition:2021
 //@ run-rustfix
 
diff --git a/tests/ui/suggestions/suggest-boxed-empty-block.rs b/tests/ui/suggestions/suggest-boxed-empty-block.rs
index 9a8d6498fb1..47fb08e4d11 100644
--- a/tests/ui/suggestions/suggest-boxed-empty-block.rs
+++ b/tests/ui/suggestions/suggest-boxed-empty-block.rs
@@ -1,5 +1,3 @@
-#![feature(async_closure)]
-
 //@ edition:2021
 //@ run-rustfix
 
diff --git a/tests/ui/suggestions/suggest-boxed-empty-block.stderr b/tests/ui/suggestions/suggest-boxed-empty-block.stderr
index 474a37b888f..e4602341c1f 100644
--- a/tests/ui/suggestions/suggest-boxed-empty-block.stderr
+++ b/tests/ui/suggestions/suggest-boxed-empty-block.stderr
@@ -1,5 +1,5 @@
 error[E0308]: mismatched types
-  --> $DIR/suggest-boxed-empty-block.rs:10:9
+  --> $DIR/suggest-boxed-empty-block.rs:8:9
    |
 LL |     foo({});
    |         ^^ expected `Box<_>`, found `()`
@@ -14,7 +14,7 @@ LL +     foo(Box::new(()));
    |
 
 error[E0308]: mismatched types
-  --> $DIR/suggest-boxed-empty-block.rs:11:12
+  --> $DIR/suggest-boxed-empty-block.rs:9:12
    |
 LL |     bar(|| {});
    |            ^^ expected `Box<_>`, found `()`
diff --git a/tests/ui/suggestions/suggest-on-bare-closure-call.rs b/tests/ui/suggestions/suggest-on-bare-closure-call.rs
index 046fe4803ec..1e6b422de5e 100644
--- a/tests/ui/suggestions/suggest-on-bare-closure-call.rs
+++ b/tests/ui/suggestions/suggest-on-bare-closure-call.rs
@@ -1,7 +1,5 @@
 //@ edition:2021
 
-#![feature(async_closure)]
-
 fn main() {
     let _ = ||{}();
     //~^ ERROR expected function, found `()`
diff --git a/tests/ui/suggestions/suggest-on-bare-closure-call.stderr b/tests/ui/suggestions/suggest-on-bare-closure-call.stderr
index e65a6eb4939..7bbb24aa622 100644
--- a/tests/ui/suggestions/suggest-on-bare-closure-call.stderr
+++ b/tests/ui/suggestions/suggest-on-bare-closure-call.stderr
@@ -1,5 +1,5 @@
 error[E0618]: expected function, found `()`
-  --> $DIR/suggest-on-bare-closure-call.rs:6:15
+  --> $DIR/suggest-on-bare-closure-call.rs:4:15
    |
 LL |     let _ = ||{}();
    |               ^^--
@@ -12,7 +12,7 @@ LL |     let _ = (||{})();
    |             +    +
 
 error[E0618]: expected function, found `()`
-  --> $DIR/suggest-on-bare-closure-call.rs:9:21
+  --> $DIR/suggest-on-bare-closure-call.rs:7:21
    |
 LL |     let _ = async ||{}();
    |                     ^^--
diff --git a/tests/ui/target-feature/allowed-softfloat-target-feature-attribute.rs b/tests/ui/target-feature/allowed-softfloat-target-feature-attribute.rs
new file mode 100644
index 00000000000..8b60820cc9b
--- /dev/null
+++ b/tests/ui/target-feature/allowed-softfloat-target-feature-attribute.rs
@@ -0,0 +1,11 @@
+//@ compile-flags: --target=x86_64-unknown-none --crate-type=lib
+//@ needs-llvm-components: x86
+//@ build-pass
+#![feature(no_core, lang_items, x87_target_feature)]
+#![no_core]
+
+#[lang = "sized"]
+pub trait Sized {}
+
+#[target_feature(enable = "x87")]
+pub unsafe fn my_fun() {}
diff --git a/tests/ui/target-feature/allowed-softfloat-target-feature-flag-disable.rs b/tests/ui/target-feature/allowed-softfloat-target-feature-flag-disable.rs
new file mode 100644
index 00000000000..e34faf5a983
--- /dev/null
+++ b/tests/ui/target-feature/allowed-softfloat-target-feature-flag-disable.rs
@@ -0,0 +1,9 @@
+//@ compile-flags: --target=x86_64-unknown-none --crate-type=lib
+//@ needs-llvm-components: x86
+//@ compile-flags: -Ctarget-feature=-x87
+//@ build-pass
+#![feature(no_core, lang_items)]
+#![no_core]
+
+#[lang = "sized"]
+pub trait Sized {}
diff --git a/tests/ui/target-feature/allowed-softfloat-target-feature-flag-disable.stderr b/tests/ui/target-feature/allowed-softfloat-target-feature-flag-disable.stderr
new file mode 100644
index 00000000000..309b64afd92
--- /dev/null
+++ b/tests/ui/target-feature/allowed-softfloat-target-feature-flag-disable.stderr
@@ -0,0 +1,6 @@
+warning: unstable feature specified for `-Ctarget-feature`: `x87`
+   |
+   = note: this feature is not stably supported; its behavior can change in the future
+
+warning: 1 warning emitted
+
diff --git a/tests/ui/target-feature/forbidden-hardfloat-target-feature-attribute.rs b/tests/ui/target-feature/forbidden-hardfloat-target-feature-attribute.rs
new file mode 100644
index 00000000000..b3171d52c51
--- /dev/null
+++ b/tests/ui/target-feature/forbidden-hardfloat-target-feature-attribute.rs
@@ -0,0 +1,11 @@
+//@ compile-flags: --target=x86_64-unknown-linux-gnu --crate-type=lib
+//@ needs-llvm-components: x86
+#![feature(no_core, lang_items)]
+#![no_core]
+
+#[lang = "sized"]
+pub trait Sized {}
+
+#[target_feature(enable = "x87")]
+//~^ERROR: cannot be toggled with
+pub unsafe fn my_fun() {}
diff --git a/tests/ui/target-feature/forbidden-hardfloat-target-feature-attribute.stderr b/tests/ui/target-feature/forbidden-hardfloat-target-feature-attribute.stderr
new file mode 100644
index 00000000000..3ebbe69d8ae
--- /dev/null
+++ b/tests/ui/target-feature/forbidden-hardfloat-target-feature-attribute.stderr
@@ -0,0 +1,8 @@
+error: target feature `x87` cannot be toggled with `#[target_feature]`: unsound on hard-float targets because it changes float ABI
+  --> $DIR/forbidden-hardfloat-target-feature-attribute.rs:9:18
+   |
+LL | #[target_feature(enable = "x87")]
+   |                  ^^^^^^^^^^^^^^
+
+error: aborting due to 1 previous error
+
diff --git a/tests/ui/target-feature/forbidden-hardfloat-target-feature-cfg.rs b/tests/ui/target-feature/forbidden-hardfloat-target-feature-cfg.rs
new file mode 100644
index 00000000000..8755791c1c0
--- /dev/null
+++ b/tests/ui/target-feature/forbidden-hardfloat-target-feature-cfg.rs
@@ -0,0 +1,14 @@
+//@ compile-flags: --target=x86_64-unknown-linux-gnu --crate-type=lib
+//@ needs-llvm-components: x86
+//@ check-pass
+#![feature(no_core, lang_items)]
+#![no_core]
+#![allow(unexpected_cfgs)]
+
+#[lang = "sized"]
+pub trait Sized {}
+
+// The compile_error macro does not exist, so if the `cfg` evaluates to `true` this
+// complains about the missing macro rather than showing the error... but that's good enough.
+#[cfg(not(target_feature = "x87"))]
+compile_error!("the x87 feature *should* be exposed in `cfg`");
diff --git a/tests/ui/target-feature/forbidden-hardfloat-target-feature-flag-disable.rs b/tests/ui/target-feature/forbidden-hardfloat-target-feature-flag-disable.rs
new file mode 100644
index 00000000000..fd8023664da
--- /dev/null
+++ b/tests/ui/target-feature/forbidden-hardfloat-target-feature-flag-disable.rs
@@ -0,0 +1,10 @@
+//@ compile-flags: --target=x86_64-unknown-linux-gnu --crate-type=lib
+//@ needs-llvm-components: x86
+//@ compile-flags: -Ctarget-feature=-x87
+// For now this is just a warning.
+//@ build-pass
+#![feature(no_core, lang_items)]
+#![no_core]
+
+#[lang = "sized"]
+pub trait Sized {}
diff --git a/tests/ui/target-feature/forbidden-hardfloat-target-feature-flag-disable.stderr b/tests/ui/target-feature/forbidden-hardfloat-target-feature-flag-disable.stderr
new file mode 100644
index 00000000000..604ad2f991a
--- /dev/null
+++ b/tests/ui/target-feature/forbidden-hardfloat-target-feature-flag-disable.stderr
@@ -0,0 +1,7 @@
+warning: target feature `x87` cannot be toggled with `-Ctarget-feature`: unsound on hard-float targets because it changes float ABI
+   |
+   = note: 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 #116344 <https://github.com/rust-lang/rust/issues/116344>
+
+warning: 1 warning emitted
+
diff --git a/tests/ui/target-feature/forbidden-target-feature-attribute.rs b/tests/ui/target-feature/forbidden-target-feature-attribute.rs
index 91c56b43689..f13cdd17da6 100644
--- a/tests/ui/target-feature/forbidden-target-feature-attribute.rs
+++ b/tests/ui/target-feature/forbidden-target-feature-attribute.rs
@@ -1,7 +1,6 @@
 //@ compile-flags: --target=x86_64-unknown-linux-gnu --crate-type=lib
 //@ needs-llvm-components: x86
 #![feature(no_core, lang_items)]
-#![no_std]
 #![no_core]
 
 #[lang = "sized"]
diff --git a/tests/ui/target-feature/forbidden-target-feature-attribute.stderr b/tests/ui/target-feature/forbidden-target-feature-attribute.stderr
index fb318531f7e..27ac4aaf960 100644
--- a/tests/ui/target-feature/forbidden-target-feature-attribute.stderr
+++ b/tests/ui/target-feature/forbidden-target-feature-attribute.stderr
@@ -1,5 +1,5 @@
 error: target feature `soft-float` cannot be toggled with `#[target_feature]`: unsound because it changes float ABI
-  --> $DIR/forbidden-target-feature-attribute.rs:10:18
+  --> $DIR/forbidden-target-feature-attribute.rs:9:18
    |
 LL | #[target_feature(enable = "soft-float")]
    |                  ^^^^^^^^^^^^^^^^^^^^^
diff --git a/tests/ui/target-feature/forbidden-target-feature-cfg.rs b/tests/ui/target-feature/forbidden-target-feature-cfg.rs
index 5df26e26793..1f001e9f8ff 100644
--- a/tests/ui/target-feature/forbidden-target-feature-cfg.rs
+++ b/tests/ui/target-feature/forbidden-target-feature-cfg.rs
@@ -2,7 +2,6 @@
 //@ needs-llvm-components: x86
 //@ check-pass
 #![feature(no_core, lang_items)]
-#![no_std]
 #![no_core]
 #![allow(unexpected_cfgs)]
 
diff --git a/tests/ui/target-feature/forbidden-target-feature-flag-disable.rs b/tests/ui/target-feature/forbidden-target-feature-flag-disable.rs
index b27e8a10afe..b09c53bd46a 100644
--- a/tests/ui/target-feature/forbidden-target-feature-flag-disable.rs
+++ b/tests/ui/target-feature/forbidden-target-feature-flag-disable.rs
@@ -4,7 +4,6 @@
 // For now this is just a warning.
 //@ build-pass
 #![feature(no_core, lang_items)]
-#![no_std]
 #![no_core]
 
 #[lang = "sized"]
diff --git a/tests/ui/target-feature/forbidden-target-feature-flag.rs b/tests/ui/target-feature/forbidden-target-feature-flag.rs
index 93cebc6b536..0f688fde7f4 100644
--- a/tests/ui/target-feature/forbidden-target-feature-flag.rs
+++ b/tests/ui/target-feature/forbidden-target-feature-flag.rs
@@ -4,7 +4,6 @@
 // For now this is just a warning.
 //@ build-pass
 #![feature(no_core, lang_items)]
-#![no_std]
 #![no_core]
 
 #[lang = "sized"]
diff --git a/tests/ui/target-feature/gate.rs b/tests/ui/target-feature/gate.rs
index f35fbd11155..2626685fa0a 100644
--- a/tests/ui/target-feature/gate.rs
+++ b/tests/ui/target-feature/gate.rs
@@ -24,6 +24,7 @@
 // gate-test-prfchw_target_feature
 // gate-test-s390x_target_feature
 // gate-test-sparc_target_feature
+// gate-test-x87_target_feature
 
 #[target_feature(enable = "avx512bw")]
 //~^ ERROR: currently unstable
diff --git a/tests/ui/target-feature/gate.stderr b/tests/ui/target-feature/gate.stderr
index b84bab370be..ba5ae79f942 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:28:18
+  --> $DIR/gate.rs:29:18
    |
 LL | #[target_feature(enable = "avx512bw")]
    |                  ^^^^^^^^^^^^^^^^^^^
diff --git a/tests/ui/traits/const-traits/call-const-trait-method-pass.stderr b/tests/ui/traits/const-traits/call-const-trait-method-pass.stderr
index 1e48a0331cc..ef494bde98c 100644
--- a/tests/ui/traits/const-traits/call-const-trait-method-pass.stderr
+++ b/tests/ui/traits/const-traits/call-const-trait-method-pass.stderr
@@ -2,7 +2,7 @@ error: const `impl` for trait `PartialEq` which is not marked with `#[const_trai
   --> $DIR/call-const-trait-method-pass.rs:15:12
    |
 LL | impl const PartialEq for Int {
-   |            ^^^^^^^^^
+   |            ^^^^^^^^^ this trait is not `const`
    |
    = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const`
    = note: adding a non-const method body in the future would be a breaking change
diff --git a/tests/ui/traits/const-traits/call-generic-in-impl.stderr b/tests/ui/traits/const-traits/call-generic-in-impl.stderr
index 52ee04425b2..58d0997f5a3 100644
--- a/tests/ui/traits/const-traits/call-generic-in-impl.stderr
+++ b/tests/ui/traits/const-traits/call-generic-in-impl.stderr
@@ -2,14 +2,19 @@ error: `~const` can only be applied to `#[const_trait]` traits
   --> $DIR/call-generic-in-impl.rs:10:9
    |
 LL | impl<T: ~const PartialEq> const MyPartialEq for T {
-   |         ^^^^^^
+   |         ^^^^^^ can't be applied to `PartialEq`
+   |
+note: `PartialEq` can't be used with `~const` because it isn't annotated with `#[const_trait]`
+  --> $SRC_DIR/core/src/cmp.rs:LL:COL
 
 error: `~const` can only be applied to `#[const_trait]` traits
   --> $DIR/call-generic-in-impl.rs:10:9
    |
 LL | impl<T: ~const PartialEq> const MyPartialEq for T {
-   |         ^^^^^^
+   |         ^^^^^^ can't be applied to `PartialEq`
    |
+note: `PartialEq` can't be used with `~const` because it isn't annotated with `#[const_trait]`
+  --> $SRC_DIR/core/src/cmp.rs:LL:COL
    = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
 
 error[E0015]: cannot call non-const fn `<T as PartialEq>::eq` in constant functions
diff --git a/tests/ui/traits/const-traits/call-generic-method-chain.stderr b/tests/ui/traits/const-traits/call-generic-method-chain.stderr
index 21fb19daad4..d7a2a186494 100644
--- a/tests/ui/traits/const-traits/call-generic-method-chain.stderr
+++ b/tests/ui/traits/const-traits/call-generic-method-chain.stderr
@@ -2,7 +2,7 @@ error: const `impl` for trait `PartialEq` which is not marked with `#[const_trai
   --> $DIR/call-generic-method-chain.rs:11:12
    |
 LL | impl const PartialEq for S {
-   |            ^^^^^^^^^
+   |            ^^^^^^^^^ this trait is not `const`
    |
    = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const`
    = note: adding a non-const method body in the future would be a breaking change
@@ -11,28 +11,38 @@ error: `~const` can only be applied to `#[const_trait]` traits
   --> $DIR/call-generic-method-chain.rs:20:25
    |
 LL | const fn equals_self<T: ~const PartialEq>(t: &T) -> bool {
-   |                         ^^^^^^
+   |                         ^^^^^^ can't be applied to `PartialEq`
+   |
+note: `PartialEq` can't be used with `~const` because it isn't annotated with `#[const_trait]`
+  --> $SRC_DIR/core/src/cmp.rs:LL:COL
 
 error: `~const` can only be applied to `#[const_trait]` traits
   --> $DIR/call-generic-method-chain.rs:20:25
    |
 LL | const fn equals_self<T: ~const PartialEq>(t: &T) -> bool {
-   |                         ^^^^^^
+   |                         ^^^^^^ can't be applied to `PartialEq`
    |
+note: `PartialEq` can't be used with `~const` because it isn't annotated with `#[const_trait]`
+  --> $SRC_DIR/core/src/cmp.rs:LL:COL
    = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
 
 error: `~const` can only be applied to `#[const_trait]` traits
   --> $DIR/call-generic-method-chain.rs:24:33
    |
 LL | const fn equals_self_wrapper<T: ~const PartialEq>(t: &T) -> bool {
-   |                                 ^^^^^^
+   |                                 ^^^^^^ can't be applied to `PartialEq`
+   |
+note: `PartialEq` can't be used with `~const` because it isn't annotated with `#[const_trait]`
+  --> $SRC_DIR/core/src/cmp.rs:LL:COL
 
 error: `~const` can only be applied to `#[const_trait]` traits
   --> $DIR/call-generic-method-chain.rs:24:33
    |
 LL | const fn equals_self_wrapper<T: ~const PartialEq>(t: &T) -> bool {
-   |                                 ^^^^^^
+   |                                 ^^^^^^ can't be applied to `PartialEq`
    |
+note: `PartialEq` can't be used with `~const` because it isn't annotated with `#[const_trait]`
+  --> $SRC_DIR/core/src/cmp.rs:LL:COL
    = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
 
 error[E0015]: cannot call non-const operator in constant functions
diff --git a/tests/ui/traits/const-traits/call-generic-method-dup-bound.stderr b/tests/ui/traits/const-traits/call-generic-method-dup-bound.stderr
index 845949a38bf..90465d0a5b2 100644
--- a/tests/ui/traits/const-traits/call-generic-method-dup-bound.stderr
+++ b/tests/ui/traits/const-traits/call-generic-method-dup-bound.stderr
@@ -2,7 +2,7 @@ error: const `impl` for trait `PartialEq` which is not marked with `#[const_trai
   --> $DIR/call-generic-method-dup-bound.rs:9:12
    |
 LL | impl const PartialEq for S {
-   |            ^^^^^^^^^
+   |            ^^^^^^^^^ this trait is not `const`
    |
    = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const`
    = note: adding a non-const method body in the future would be a breaking change
@@ -11,28 +11,38 @@ error: `~const` can only be applied to `#[const_trait]` traits
   --> $DIR/call-generic-method-dup-bound.rs:20:37
    |
 LL | const fn equals_self<T: PartialEq + ~const PartialEq>(t: &T) -> bool {
-   |                                     ^^^^^^
+   |                                     ^^^^^^ can't be applied to `PartialEq`
+   |
+note: `PartialEq` can't be used with `~const` because it isn't annotated with `#[const_trait]`
+  --> $SRC_DIR/core/src/cmp.rs:LL:COL
 
 error: `~const` can only be applied to `#[const_trait]` traits
   --> $DIR/call-generic-method-dup-bound.rs:20:37
    |
 LL | const fn equals_self<T: PartialEq + ~const PartialEq>(t: &T) -> bool {
-   |                                     ^^^^^^
+   |                                     ^^^^^^ can't be applied to `PartialEq`
    |
+note: `PartialEq` can't be used with `~const` because it isn't annotated with `#[const_trait]`
+  --> $SRC_DIR/core/src/cmp.rs:LL:COL
    = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
 
 error: `~const` can only be applied to `#[const_trait]` traits
   --> $DIR/call-generic-method-dup-bound.rs:27:30
    |
 LL | const fn equals_self2<T: A + ~const PartialEq>(t: &T) -> bool {
-   |                              ^^^^^^
+   |                              ^^^^^^ can't be applied to `PartialEq`
+   |
+note: `PartialEq` can't be used with `~const` because it isn't annotated with `#[const_trait]`
+  --> $SRC_DIR/core/src/cmp.rs:LL:COL
 
 error: `~const` can only be applied to `#[const_trait]` traits
   --> $DIR/call-generic-method-dup-bound.rs:27:30
    |
 LL | const fn equals_self2<T: A + ~const PartialEq>(t: &T) -> bool {
-   |                              ^^^^^^
+   |                              ^^^^^^ can't be applied to `PartialEq`
    |
+note: `PartialEq` can't be used with `~const` because it isn't annotated with `#[const_trait]`
+  --> $SRC_DIR/core/src/cmp.rs:LL:COL
    = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
 
 error[E0015]: cannot call non-const operator in constant functions
diff --git a/tests/ui/traits/const-traits/call-generic-method-pass.stderr b/tests/ui/traits/const-traits/call-generic-method-pass.stderr
index 0c0037e36b8..a7626a4e99d 100644
--- a/tests/ui/traits/const-traits/call-generic-method-pass.stderr
+++ b/tests/ui/traits/const-traits/call-generic-method-pass.stderr
@@ -2,7 +2,7 @@ error: const `impl` for trait `PartialEq` which is not marked with `#[const_trai
   --> $DIR/call-generic-method-pass.rs:11:12
    |
 LL | impl const PartialEq for S {
-   |            ^^^^^^^^^
+   |            ^^^^^^^^^ this trait is not `const`
    |
    = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const`
    = note: adding a non-const method body in the future would be a breaking change
@@ -11,14 +11,19 @@ error: `~const` can only be applied to `#[const_trait]` traits
   --> $DIR/call-generic-method-pass.rs:20:25
    |
 LL | const fn equals_self<T: ~const PartialEq>(t: &T) -> bool {
-   |                         ^^^^^^
+   |                         ^^^^^^ can't be applied to `PartialEq`
+   |
+note: `PartialEq` can't be used with `~const` because it isn't annotated with `#[const_trait]`
+  --> $SRC_DIR/core/src/cmp.rs:LL:COL
 
 error: `~const` can only be applied to `#[const_trait]` traits
   --> $DIR/call-generic-method-pass.rs:20:25
    |
 LL | const fn equals_self<T: ~const PartialEq>(t: &T) -> bool {
-   |                         ^^^^^^
+   |                         ^^^^^^ can't be applied to `PartialEq`
    |
+note: `PartialEq` can't be used with `~const` because it isn't annotated with `#[const_trait]`
+  --> $SRC_DIR/core/src/cmp.rs:LL:COL
    = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
 
 error[E0015]: cannot call non-const operator in constant functions
diff --git a/tests/ui/traits/const-traits/const-bounds-non-const-trait.stderr b/tests/ui/traits/const-traits/const-bounds-non-const-trait.stderr
index 2436c97ccf2..f97d3a9181e 100644
--- a/tests/ui/traits/const-traits/const-bounds-non-const-trait.stderr
+++ b/tests/ui/traits/const-traits/const-bounds-non-const-trait.stderr
@@ -2,21 +2,35 @@ error: `~const` can only be applied to `#[const_trait]` traits
   --> $DIR/const-bounds-non-const-trait.rs:6:21
    |
 LL | const fn perform<T: ~const NonConst>() {}
-   |                     ^^^^^^
+   |                     ^^^^^^ can't be applied to `NonConst`
+   |
+help: mark `NonConst` as `#[const_trait]` to allow it to have `const` implementations
+   |
+LL | #[const_trait] trait NonConst {}
+   | ++++++++++++++
 
 error: `~const` can only be applied to `#[const_trait]` traits
   --> $DIR/const-bounds-non-const-trait.rs:6:21
    |
 LL | const fn perform<T: ~const NonConst>() {}
-   |                     ^^^^^^
+   |                     ^^^^^^ can't be applied to `NonConst`
    |
    = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
+help: mark `NonConst` as `#[const_trait]` to allow it to have `const` implementations
+   |
+LL | #[const_trait] trait NonConst {}
+   | ++++++++++++++
 
 error: `const` can only be applied to `#[const_trait]` traits
   --> $DIR/const-bounds-non-const-trait.rs:10:15
    |
 LL | fn operate<T: const NonConst>() {}
-   |               ^^^^^
+   |               ^^^^^ can't be applied to `NonConst`
+   |
+help: mark `NonConst` as `#[const_trait]` to allow it to have `const` implementations
+   |
+LL | #[const_trait] trait NonConst {}
+   | ++++++++++++++
 
 error: aborting due to 3 previous errors
 
diff --git a/tests/ui/traits/const-traits/const-closure-parse-not-item.stderr b/tests/ui/traits/const-traits/const-closure-parse-not-item.stderr
index 0970cd5225f..57afa2257b7 100644
--- a/tests/ui/traits/const-traits/const-closure-parse-not-item.stderr
+++ b/tests/ui/traits/const-traits/const-closure-parse-not-item.stderr
@@ -2,22 +2,29 @@ error: `~const` can only be applied to `#[const_trait]` traits
   --> $DIR/const-closure-parse-not-item.rs:7:25
    |
 LL | const fn test() -> impl ~const Fn() {
-   |                         ^^^^^^
+   |                         ^^^^^^ can't be applied to `Fn`
+   |
+note: `Fn` can't be used with `~const` because it isn't annotated with `#[const_trait]`
+  --> $SRC_DIR/core/src/ops/function.rs:LL:COL
 
 error: `~const` can only be applied to `#[const_trait]` traits
   --> $DIR/const-closure-parse-not-item.rs:7:25
    |
 LL | const fn test() -> impl ~const Fn() {
-   |                         ^^^^^^
+   |                         ^^^^^^ can't be applied to `Fn`
    |
+note: `Fn` can't be used with `~const` because it isn't annotated with `#[const_trait]`
+  --> $SRC_DIR/core/src/ops/function.rs:LL:COL
    = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
 
 error: `~const` can only be applied to `#[const_trait]` traits
   --> $DIR/const-closure-parse-not-item.rs:7:25
    |
 LL | const fn test() -> impl ~const Fn() {
-   |                         ^^^^^^
+   |                         ^^^^^^ can't be applied to `Fn`
    |
+note: `Fn` can't be used with `~const` because it isn't annotated with `#[const_trait]`
+  --> $SRC_DIR/core/src/ops/function.rs:LL:COL
    = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
 
 error: aborting due to 3 previous errors
diff --git a/tests/ui/traits/const-traits/const-closure-trait-method-fail.stderr b/tests/ui/traits/const-traits/const-closure-trait-method-fail.stderr
index a76dc3e82af..2a97846ccb4 100644
--- a/tests/ui/traits/const-traits/const-closure-trait-method-fail.stderr
+++ b/tests/ui/traits/const-traits/const-closure-trait-method-fail.stderr
@@ -2,14 +2,19 @@ error: `~const` can only be applied to `#[const_trait]` traits
   --> $DIR/const-closure-trait-method-fail.rs:14:32
    |
 LL | const fn need_const_closure<T: ~const FnOnce(()) -> i32>(x: T) -> i32 {
-   |                                ^^^^^^
+   |                                ^^^^^^ can't be applied to `FnOnce`
+   |
+note: `FnOnce` can't be used with `~const` because it isn't annotated with `#[const_trait]`
+  --> $SRC_DIR/core/src/ops/function.rs:LL:COL
 
 error: `~const` can only be applied to `#[const_trait]` traits
   --> $DIR/const-closure-trait-method-fail.rs:14:32
    |
 LL | const fn need_const_closure<T: ~const FnOnce(()) -> i32>(x: T) -> i32 {
-   |                                ^^^^^^
+   |                                ^^^^^^ can't be applied to `FnOnce`
    |
+note: `FnOnce` can't be used with `~const` because it isn't annotated with `#[const_trait]`
+  --> $SRC_DIR/core/src/ops/function.rs:LL:COL
    = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
 
 error[E0015]: cannot call non-const closure in constant functions
diff --git a/tests/ui/traits/const-traits/const-closure-trait-method.stderr b/tests/ui/traits/const-traits/const-closure-trait-method.stderr
index d37ff3d727c..9c63b7e63a6 100644
--- a/tests/ui/traits/const-traits/const-closure-trait-method.stderr
+++ b/tests/ui/traits/const-traits/const-closure-trait-method.stderr
@@ -2,14 +2,19 @@ error: `~const` can only be applied to `#[const_trait]` traits
   --> $DIR/const-closure-trait-method.rs:14:32
    |
 LL | const fn need_const_closure<T: ~const FnOnce(()) -> i32>(x: T) -> i32 {
-   |                                ^^^^^^
+   |                                ^^^^^^ can't be applied to `FnOnce`
+   |
+note: `FnOnce` can't be used with `~const` because it isn't annotated with `#[const_trait]`
+  --> $SRC_DIR/core/src/ops/function.rs:LL:COL
 
 error: `~const` can only be applied to `#[const_trait]` traits
   --> $DIR/const-closure-trait-method.rs:14:32
    |
 LL | const fn need_const_closure<T: ~const FnOnce(()) -> i32>(x: T) -> i32 {
-   |                                ^^^^^^
+   |                                ^^^^^^ can't be applied to `FnOnce`
    |
+note: `FnOnce` can't be used with `~const` because it isn't annotated with `#[const_trait]`
+  --> $SRC_DIR/core/src/ops/function.rs:LL:COL
    = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
 
 error[E0015]: cannot call non-const closure in constant functions
diff --git a/tests/ui/traits/const-traits/const-closures.stderr b/tests/ui/traits/const-traits/const-closures.stderr
index 8ceaae16d8e..92f3ba20820 100644
--- a/tests/ui/traits/const-traits/const-closures.stderr
+++ b/tests/ui/traits/const-traits/const-closures.stderr
@@ -2,56 +2,76 @@ error: `~const` can only be applied to `#[const_trait]` traits
   --> $DIR/const-closures.rs:8:12
    |
 LL |         F: ~const FnOnce() -> u8,
-   |            ^^^^^^
+   |            ^^^^^^ can't be applied to `FnOnce`
+   |
+note: `FnOnce` can't be used with `~const` because it isn't annotated with `#[const_trait]`
+  --> $SRC_DIR/core/src/ops/function.rs:LL:COL
 
 error: `~const` can only be applied to `#[const_trait]` traits
   --> $DIR/const-closures.rs:9:12
    |
 LL |         F: ~const FnMut() -> u8,
-   |            ^^^^^^
+   |            ^^^^^^ can't be applied to `FnMut`
+   |
+note: `FnMut` can't be used with `~const` because it isn't annotated with `#[const_trait]`
+  --> $SRC_DIR/core/src/ops/function.rs:LL:COL
 
 error: `~const` can only be applied to `#[const_trait]` traits
   --> $DIR/const-closures.rs:10:12
    |
 LL |         F: ~const Fn() -> u8,
-   |            ^^^^^^
+   |            ^^^^^^ can't be applied to `Fn`
+   |
+note: `Fn` can't be used with `~const` because it isn't annotated with `#[const_trait]`
+  --> $SRC_DIR/core/src/ops/function.rs:LL:COL
 
 error: `~const` can only be applied to `#[const_trait]` traits
   --> $DIR/const-closures.rs:8:12
    |
 LL |         F: ~const FnOnce() -> u8,
-   |            ^^^^^^
+   |            ^^^^^^ can't be applied to `FnOnce`
    |
+note: `FnOnce` can't be used with `~const` because it isn't annotated with `#[const_trait]`
+  --> $SRC_DIR/core/src/ops/function.rs:LL:COL
    = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
 
 error: `~const` can only be applied to `#[const_trait]` traits
   --> $DIR/const-closures.rs:9:12
    |
 LL |         F: ~const FnMut() -> u8,
-   |            ^^^^^^
+   |            ^^^^^^ can't be applied to `FnMut`
    |
+note: `FnMut` can't be used with `~const` because it isn't annotated with `#[const_trait]`
+  --> $SRC_DIR/core/src/ops/function.rs:LL:COL
    = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
 
 error: `~const` can only be applied to `#[const_trait]` traits
   --> $DIR/const-closures.rs:10:12
    |
 LL |         F: ~const Fn() -> u8,
-   |            ^^^^^^
+   |            ^^^^^^ can't be applied to `Fn`
    |
+note: `Fn` can't be used with `~const` because it isn't annotated with `#[const_trait]`
+  --> $SRC_DIR/core/src/ops/function.rs:LL:COL
    = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
 
 error: `~const` can only be applied to `#[const_trait]` traits
   --> $DIR/const-closures.rs:23:20
    |
 LL | const fn answer<F: ~const Fn() -> u8>(f: &F) -> u8 {
-   |                    ^^^^^^
+   |                    ^^^^^^ can't be applied to `Fn`
+   |
+note: `Fn` can't be used with `~const` because it isn't annotated with `#[const_trait]`
+  --> $SRC_DIR/core/src/ops/function.rs:LL:COL
 
 error: `~const` can only be applied to `#[const_trait]` traits
   --> $DIR/const-closures.rs:23:20
    |
 LL | const fn answer<F: ~const Fn() -> u8>(f: &F) -> u8 {
-   |                    ^^^^^^
+   |                    ^^^^^^ can't be applied to `Fn`
    |
+note: `Fn` can't be used with `~const` because it isn't annotated with `#[const_trait]`
+  --> $SRC_DIR/core/src/ops/function.rs:LL:COL
    = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
 
 error[E0015]: cannot call non-const closure in constant functions
diff --git a/tests/ui/traits/const-traits/const-impl-requires-const-trait.stderr b/tests/ui/traits/const-traits/const-impl-requires-const-trait.stderr
index bcaae381949..c728eda069e 100644
--- a/tests/ui/traits/const-traits/const-impl-requires-const-trait.stderr
+++ b/tests/ui/traits/const-traits/const-impl-requires-const-trait.stderr
@@ -1,14 +1,15 @@
 error: const `impl` for trait `A` which is not marked with `#[const_trait]`
   --> $DIR/const-impl-requires-const-trait.rs:6:12
    |
-LL | pub trait A {}
-   | - help: mark `A` as const: `#[const_trait]`
-LL |
 LL | impl const A for () {}
-   |            ^
+   |            ^ this trait is not `const`
    |
    = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const`
    = note: adding a non-const method body in the future would be a breaking change
+help: mark `A` as `#[const_trait]` to allow it to have `const` implementations
+   |
+LL | #[const_trait] pub trait A {}
+   | ++++++++++++++
 
 error: aborting due to 1 previous error
 
diff --git a/tests/ui/traits/const-traits/const_derives/derive-const-gate.stderr b/tests/ui/traits/const-traits/const_derives/derive-const-gate.stderr
index 95f6f32f21d..fae871a4c85 100644
--- a/tests/ui/traits/const-traits/const_derives/derive-const-gate.stderr
+++ b/tests/ui/traits/const-traits/const_derives/derive-const-gate.stderr
@@ -11,7 +11,7 @@ error: const `impl` for trait `Default` which is not marked with `#[const_trait]
   --> $DIR/derive-const-gate.rs:1:16
    |
 LL | #[derive_const(Default)]
-   |                ^^^^^^^
+   |                ^^^^^^^ this trait is not `const`
    |
    = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const`
    = note: adding a non-const method body in the future would be a breaking change
diff --git a/tests/ui/traits/const-traits/const_derives/derive-const-non-const-type.stderr b/tests/ui/traits/const-traits/const_derives/derive-const-non-const-type.stderr
index 9492000a563..8a6401afcf1 100644
--- a/tests/ui/traits/const-traits/const_derives/derive-const-non-const-type.stderr
+++ b/tests/ui/traits/const-traits/const_derives/derive-const-non-const-type.stderr
@@ -2,7 +2,7 @@ error: const `impl` for trait `Default` which is not marked with `#[const_trait]
   --> $DIR/derive-const-non-const-type.rs:10:16
    |
 LL | #[derive_const(Default)]
-   |                ^^^^^^^
+   |                ^^^^^^^ this trait is not `const`
    |
    = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const`
    = note: adding a non-const method body in the future would be a breaking change
diff --git a/tests/ui/traits/const-traits/const_derives/derive-const-use.stderr b/tests/ui/traits/const-traits/const_derives/derive-const-use.stderr
index 6f4fc90f636..3b06f4d801a 100644
--- a/tests/ui/traits/const-traits/const_derives/derive-const-use.stderr
+++ b/tests/ui/traits/const-traits/const_derives/derive-const-use.stderr
@@ -14,7 +14,7 @@ error: const `impl` for trait `Default` which is not marked with `#[const_trait]
   --> $DIR/derive-const-use.rs:7:12
    |
 LL | impl const Default for A {
-   |            ^^^^^^^
+   |            ^^^^^^^ this trait is not `const`
    |
    = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const`
    = note: adding a non-const method body in the future would be a breaking change
@@ -23,7 +23,7 @@ error: const `impl` for trait `Default` which is not marked with `#[const_trait]
   --> $DIR/derive-const-use.rs:15:16
    |
 LL | #[derive_const(Default, PartialEq)]
-   |                ^^^^^^^
+   |                ^^^^^^^ this trait is not `const`
    |
    = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const`
    = note: adding a non-const method body in the future would be a breaking change
@@ -33,7 +33,7 @@ error: const `impl` for trait `PartialEq` which is not marked with `#[const_trai
   --> $DIR/derive-const-use.rs:11:12
    |
 LL | impl const PartialEq for A {
-   |            ^^^^^^^^^
+   |            ^^^^^^^^^ this trait is not `const`
    |
    = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const`
    = note: adding a non-const method body in the future would be a breaking change
@@ -42,7 +42,7 @@ error: const `impl` for trait `PartialEq` which is not marked with `#[const_trai
   --> $DIR/derive-const-use.rs:15:25
    |
 LL | #[derive_const(Default, PartialEq)]
-   |                         ^^^^^^^^^
+   |                         ^^^^^^^^^ this trait is not `const`
    |
    = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const`
    = note: adding a non-const method body in the future would be a breaking change
diff --git a/tests/ui/traits/const-traits/const_derives/derive-const-with-params.stderr b/tests/ui/traits/const-traits/const_derives/derive-const-with-params.stderr
index 21cf64f89ea..6b1405712ef 100644
--- a/tests/ui/traits/const-traits/const_derives/derive-const-with-params.stderr
+++ b/tests/ui/traits/const-traits/const_derives/derive-const-with-params.stderr
@@ -2,13 +2,16 @@ error: const `impl` for trait `PartialEq` which is not marked with `#[const_trai
   --> $DIR/derive-const-with-params.rs:7:16
    |
 LL | #[derive_const(PartialEq)]
-   |                ^^^^^^^^^
+   |                ^^^^^^^^^ this trait is not `const`
    |
    = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const`
    = note: adding a non-const method body in the future would be a breaking change
    = note: this error originates in the derive macro `PartialEq` (in Nightly builds, run with -Z macro-backtrace for more info)
 
 error: `~const` can only be applied to `#[const_trait]` traits
+   |
+note: `PartialEq` can't be used with `~const` because it isn't annotated with `#[const_trait]`
+  --> $SRC_DIR/core/src/cmp.rs:LL:COL
 
 error[E0015]: cannot call non-const operator in constant functions
   --> $DIR/derive-const-with-params.rs:8:23
diff --git a/tests/ui/traits/const-traits/dont-ice-on-const-pred-for-bounds.rs b/tests/ui/traits/const-traits/dont-ice-on-const-pred-for-bounds.rs
new file mode 100644
index 00000000000..2295c2c3857
--- /dev/null
+++ b/tests/ui/traits/const-traits/dont-ice-on-const-pred-for-bounds.rs
@@ -0,0 +1,22 @@
+// Regression test for <https://github.com/rust-lang/rust/issues/133526>.
+
+// Ensures we don't ICE when we encounter a `HostEffectPredicate` when computing
+// the "item super predicates" for `Assoc`.
+
+//@ compile-flags: -Znext-solver
+//@ check-pass
+
+#![feature(const_trait_impl)]
+
+#[const_trait]
+trait Trait {
+    type Assoc: const Trait;
+}
+
+const fn needs_trait<T: ~const Trait>() {}
+
+fn test<T: Trait>() {
+    const { needs_trait::<T::Assoc>() };
+}
+
+fn main() {}
diff --git a/tests/ui/traits/const-traits/effects/auxiliary/minicore.rs b/tests/ui/traits/const-traits/effects/auxiliary/minicore.rs
index aaa61e21155..e606d896e93 100644
--- a/tests/ui/traits/const-traits/effects/auxiliary/minicore.rs
+++ b/tests/ui/traits/const-traits/effects/auxiliary/minicore.rs
@@ -110,6 +110,16 @@ impl<T: ?Sized> LegacyReceiver for &T {}
 
 impl<T: ?Sized> LegacyReceiver for &mut T {}
 
+#[lang = "receiver"]
+pub trait Receiver {
+    #[lang = "receiver_target"]
+    type Target: ?Sized;
+}
+
+impl<T: Deref + ?Sized> Receiver for T {
+    type Target = <T as Deref>::Target;
+}
+
 #[lang = "destruct"]
 #[const_trait]
 pub trait Destruct {}
diff --git a/tests/ui/traits/const-traits/effects/ice-112822-expected-type-for-param.stderr b/tests/ui/traits/const-traits/effects/ice-112822-expected-type-for-param.stderr
index 879d966b1f9..280f8807f5f 100644
--- a/tests/ui/traits/const-traits/effects/ice-112822-expected-type-for-param.stderr
+++ b/tests/ui/traits/const-traits/effects/ice-112822-expected-type-for-param.stderr
@@ -12,22 +12,29 @@ error: `~const` can only be applied to `#[const_trait]` traits
   --> $DIR/ice-112822-expected-type-for-param.rs:3:25
    |
 LL | const fn test() -> impl ~const Fn() {
-   |                         ^^^^^^
+   |                         ^^^^^^ can't be applied to `Fn`
+   |
+note: `Fn` can't be used with `~const` because it isn't annotated with `#[const_trait]`
+  --> $SRC_DIR/core/src/ops/function.rs:LL:COL
 
 error: `~const` can only be applied to `#[const_trait]` traits
   --> $DIR/ice-112822-expected-type-for-param.rs:3:25
    |
 LL | const fn test() -> impl ~const Fn() {
-   |                         ^^^^^^
+   |                         ^^^^^^ can't be applied to `Fn`
    |
+note: `Fn` can't be used with `~const` because it isn't annotated with `#[const_trait]`
+  --> $SRC_DIR/core/src/ops/function.rs:LL:COL
    = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
 
 error: `~const` can only be applied to `#[const_trait]` traits
   --> $DIR/ice-112822-expected-type-for-param.rs:3:25
    |
 LL | const fn test() -> impl ~const Fn() {
-   |                         ^^^^^^
+   |                         ^^^^^^ can't be applied to `Fn`
    |
+note: `Fn` can't be used with `~const` because it isn't annotated with `#[const_trait]`
+  --> $SRC_DIR/core/src/ops/function.rs:LL:COL
    = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
 
 error[E0015]: cannot call non-const operator in constant functions
diff --git a/tests/ui/traits/const-traits/effects/spec-effectvar-ice.stderr b/tests/ui/traits/const-traits/effects/spec-effectvar-ice.stderr
index 5659102c5e5..474d96698d5 100644
--- a/tests/ui/traits/const-traits/effects/spec-effectvar-ice.stderr
+++ b/tests/ui/traits/const-traits/effects/spec-effectvar-ice.stderr
@@ -1,32 +1,39 @@
 error: const `impl` for trait `Foo` which is not marked with `#[const_trait]`
   --> $DIR/spec-effectvar-ice.rs:10:15
    |
-LL | trait Foo {}
-   | - help: mark `Foo` as const: `#[const_trait]`
-LL |
 LL | impl<T> const Foo for T {}
-   |               ^^^
+   |               ^^^ this trait is not `const`
    |
    = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const`
    = note: adding a non-const method body in the future would be a breaking change
+help: mark `Foo` as `#[const_trait]` to allow it to have `const` implementations
+   |
+LL | #[const_trait] trait Foo {}
+   | ++++++++++++++
 
 error: const `impl` for trait `Foo` which is not marked with `#[const_trait]`
   --> $DIR/spec-effectvar-ice.rs:13:15
    |
-LL | trait Foo {}
-   | - help: mark `Foo` as const: `#[const_trait]`
-...
 LL | impl<T> const Foo for T where T: const Specialize {}
-   |               ^^^
+   |               ^^^ this trait is not `const`
    |
    = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const`
    = note: adding a non-const method body in the future would be a breaking change
+help: mark `Foo` as `#[const_trait]` to allow it to have `const` implementations
+   |
+LL | #[const_trait] trait Foo {}
+   | ++++++++++++++
 
 error: `const` can only be applied to `#[const_trait]` traits
   --> $DIR/spec-effectvar-ice.rs:13:34
    |
 LL | impl<T> const Foo for T where T: const Specialize {}
-   |                                  ^^^^^
+   |                                  ^^^^^ can't be applied to `Specialize`
+   |
+help: mark `Specialize` as `#[const_trait]` to allow it to have `const` implementations
+   |
+LL | #[const_trait] trait Specialize {}
+   | ++++++++++++++
 
 error: specialization impl does not specialize any associated items
   --> $DIR/spec-effectvar-ice.rs:13:1
diff --git a/tests/ui/traits/const-traits/ice-119717-constant-lifetime.stderr b/tests/ui/traits/const-traits/ice-119717-constant-lifetime.stderr
index 9e22422ad3b..5af263de28c 100644
--- a/tests/ui/traits/const-traits/ice-119717-constant-lifetime.stderr
+++ b/tests/ui/traits/const-traits/ice-119717-constant-lifetime.stderr
@@ -2,7 +2,7 @@ error: const `impl` for trait `FromResidual` which is not marked with `#[const_t
   --> $DIR/ice-119717-constant-lifetime.rs:6:15
    |
 LL | impl<T> const FromResidual for T {
-   |               ^^^^^^^^^^^^
+   |               ^^^^^^^^^^^^ this trait is not `const`
    |
    = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const`
    = note: adding a non-const method body in the future would be a breaking change
diff --git a/tests/ui/traits/const-traits/ice-123664-unexpected-bound-var.stderr b/tests/ui/traits/const-traits/ice-123664-unexpected-bound-var.stderr
index 1178c90fce5..821b257af88 100644
--- a/tests/ui/traits/const-traits/ice-123664-unexpected-bound-var.stderr
+++ b/tests/ui/traits/const-traits/ice-123664-unexpected-bound-var.stderr
@@ -2,14 +2,19 @@ error: `~const` can only be applied to `#[const_trait]` traits
   --> $DIR/ice-123664-unexpected-bound-var.rs:4:27
    |
 LL | const fn with_positive<F: ~const Fn()>() {}
-   |                           ^^^^^^
+   |                           ^^^^^^ can't be applied to `Fn`
+   |
+note: `Fn` can't be used with `~const` because it isn't annotated with `#[const_trait]`
+  --> $SRC_DIR/core/src/ops/function.rs:LL:COL
 
 error: `~const` can only be applied to `#[const_trait]` traits
   --> $DIR/ice-123664-unexpected-bound-var.rs:4:27
    |
 LL | const fn with_positive<F: ~const Fn()>() {}
-   |                           ^^^^^^
+   |                           ^^^^^^ can't be applied to `Fn`
    |
+note: `Fn` can't be used with `~const` because it isn't annotated with `#[const_trait]`
+  --> $SRC_DIR/core/src/ops/function.rs:LL:COL
    = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
 
 error: aborting due to 2 previous errors
diff --git a/tests/ui/traits/const-traits/ice-126148-failed-to-normalize.stderr b/tests/ui/traits/const-traits/ice-126148-failed-to-normalize.stderr
index 9bd493e5fdb..41f99c2d375 100644
--- a/tests/ui/traits/const-traits/ice-126148-failed-to-normalize.stderr
+++ b/tests/ui/traits/const-traits/ice-126148-failed-to-normalize.stderr
@@ -2,7 +2,7 @@ error: const `impl` for trait `FromResidual` which is not marked with `#[const_t
   --> $DIR/ice-126148-failed-to-normalize.rs:8:12
    |
 LL | impl const FromResidual<Error> for TryMe {}
-   |            ^^^^^^^^^^^^^^^^^^^
+   |            ^^^^^^^^^^^^^^^^^^^ this trait is not `const`
    |
    = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const`
    = note: adding a non-const method body in the future would be a breaking change
@@ -19,7 +19,7 @@ error: const `impl` for trait `Try` which is not marked with `#[const_trait]`
   --> $DIR/ice-126148-failed-to-normalize.rs:12:12
    |
 LL | impl const Try for TryMe {
-   |            ^^^
+   |            ^^^ this trait is not `const`
    |
    = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const`
    = note: adding a non-const method body in the future would be a breaking change
diff --git a/tests/ui/traits/const-traits/non-const-op-in-closure-in-const.stderr b/tests/ui/traits/const-traits/non-const-op-in-closure-in-const.stderr
index 837effb7ca4..4ddb1e8c5a9 100644
--- a/tests/ui/traits/const-traits/non-const-op-in-closure-in-const.stderr
+++ b/tests/ui/traits/const-traits/non-const-op-in-closure-in-const.stderr
@@ -2,14 +2,19 @@ error: `~const` can only be applied to `#[const_trait]` traits
   --> $DIR/non-const-op-in-closure-in-const.rs:10:44
    |
 LL | impl<A, B> const Convert<B> for A where B: ~const From<A> {
-   |                                            ^^^^^^
+   |                                            ^^^^^^ can't be applied to `From`
+   |
+note: `From` can't be used with `~const` because it isn't annotated with `#[const_trait]`
+  --> $SRC_DIR/core/src/convert/mod.rs:LL:COL
 
 error: `~const` can only be applied to `#[const_trait]` traits
   --> $DIR/non-const-op-in-closure-in-const.rs:10:44
    |
 LL | impl<A, B> const Convert<B> for A where B: ~const From<A> {
-   |                                            ^^^^^^
+   |                                            ^^^^^^ can't be applied to `From`
    |
+note: `From` can't be used with `~const` because it isn't annotated with `#[const_trait]`
+  --> $SRC_DIR/core/src/convert/mod.rs:LL:COL
    = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
 
 error[E0015]: cannot call non-const fn `<B as From<A>>::from` in constant functions
diff --git a/tests/ui/traits/const-traits/super-traits-fail-2.nn.stderr b/tests/ui/traits/const-traits/super-traits-fail-2.nn.stderr
index e7f54b4c5bd..51b88cf8702 100644
--- a/tests/ui/traits/const-traits/super-traits-fail-2.nn.stderr
+++ b/tests/ui/traits/const-traits/super-traits-fail-2.nn.stderr
@@ -14,23 +14,36 @@ error: `~const` can only be applied to `#[const_trait]` traits
   --> $DIR/super-traits-fail-2.rs:11:12
    |
 LL | trait Bar: ~const Foo {}
-   |            ^^^^^^
+   |            ^^^^^^ can't be applied to `Foo`
+   |
+help: mark `Foo` as `#[const_trait]` to allow it to have `const` implementations
+   |
+LL | #[const_trait] trait Foo {
+   | ++++++++++++++
 
 error: `~const` can only be applied to `#[const_trait]` traits
   --> $DIR/super-traits-fail-2.rs:11:12
    |
 LL | trait Bar: ~const Foo {}
-   |            ^^^^^^
+   |            ^^^^^^ can't be applied to `Foo`
    |
    = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
+help: mark `Foo` as `#[const_trait]` to allow it to have `const` implementations
+   |
+LL | #[const_trait] trait Foo {
+   | ++++++++++++++
 
 error: `~const` can only be applied to `#[const_trait]` traits
   --> $DIR/super-traits-fail-2.rs:11:12
    |
 LL | trait Bar: ~const Foo {}
-   |            ^^^^^^
+   |            ^^^^^^ can't be applied to `Foo`
    |
    = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
+help: mark `Foo` as `#[const_trait]` to allow it to have `const` implementations
+   |
+LL | #[const_trait] trait Foo {
+   | ++++++++++++++
 
 error[E0015]: cannot call non-const fn `<T as Foo>::a` in constant functions
   --> $DIR/super-traits-fail-2.rs:20:7
diff --git a/tests/ui/traits/const-traits/super-traits-fail-2.ny.stderr b/tests/ui/traits/const-traits/super-traits-fail-2.ny.stderr
index a09fe81f716..38fb6f05412 100644
--- a/tests/ui/traits/const-traits/super-traits-fail-2.ny.stderr
+++ b/tests/ui/traits/const-traits/super-traits-fail-2.ny.stderr
@@ -2,39 +2,60 @@ error: `~const` can only be applied to `#[const_trait]` traits
   --> $DIR/super-traits-fail-2.rs:11:12
    |
 LL | trait Bar: ~const Foo {}
-   |            ^^^^^^
+   |            ^^^^^^ can't be applied to `Foo`
+   |
+help: mark `Foo` as `#[const_trait]` to allow it to have `const` implementations
+   |
+LL | #[const_trait] trait Foo {
+   | ++++++++++++++
 
 error: `~const` can only be applied to `#[const_trait]` traits
   --> $DIR/super-traits-fail-2.rs:11:12
    |
 LL | trait Bar: ~const Foo {}
-   |            ^^^^^^
+   |            ^^^^^^ can't be applied to `Foo`
    |
    = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
+help: mark `Foo` as `#[const_trait]` to allow it to have `const` implementations
+   |
+LL | #[const_trait] trait Foo {
+   | ++++++++++++++
 
 error: `~const` can only be applied to `#[const_trait]` traits
   --> $DIR/super-traits-fail-2.rs:11:12
    |
 LL | trait Bar: ~const Foo {}
-   |            ^^^^^^
+   |            ^^^^^^ can't be applied to `Foo`
    |
    = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
+help: mark `Foo` as `#[const_trait]` to allow it to have `const` implementations
+   |
+LL | #[const_trait] trait Foo {
+   | ++++++++++++++
 
 error: `~const` can only be applied to `#[const_trait]` traits
   --> $DIR/super-traits-fail-2.rs:11:12
    |
 LL | trait Bar: ~const Foo {}
-   |            ^^^^^^
+   |            ^^^^^^ can't be applied to `Foo`
    |
    = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
+help: mark `Foo` as `#[const_trait]` to allow it to have `const` implementations
+   |
+LL | #[const_trait] trait Foo {
+   | ++++++++++++++
 
 error: `~const` can only be applied to `#[const_trait]` traits
   --> $DIR/super-traits-fail-2.rs:11:12
    |
 LL | trait Bar: ~const Foo {}
-   |            ^^^^^^
+   |            ^^^^^^ can't be applied to `Foo`
    |
    = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
+help: mark `Foo` as `#[const_trait]` to allow it to have `const` implementations
+   |
+LL | #[const_trait] trait Foo {
+   | ++++++++++++++
 
 error[E0015]: cannot call non-const fn `<T as Foo>::a` in constant functions
   --> $DIR/super-traits-fail-2.rs:20:7
diff --git a/tests/ui/traits/const-traits/super-traits-fail-3.nnn.stderr b/tests/ui/traits/const-traits/super-traits-fail-3.nnn.stderr
new file mode 100644
index 00000000000..fd802fde5bd
--- /dev/null
+++ b/tests/ui/traits/const-traits/super-traits-fail-3.nnn.stderr
@@ -0,0 +1,102 @@
+error: `~const` is not allowed here
+  --> $DIR/super-traits-fail-3.rs:23:12
+   |
+LL | trait Bar: ~const Foo {}
+   |            ^^^^^^
+   |
+note: this trait is not a `#[const_trait]`, so it cannot have `~const` trait bounds
+  --> $DIR/super-traits-fail-3.rs:23:1
+   |
+LL | trait Bar: ~const Foo {}
+   | ^^^^^^^^^^^^^^^^^^^^^^^^
+
+error[E0658]: const trait impls are experimental
+  --> $DIR/super-traits-fail-3.rs:23:12
+   |
+LL | trait Bar: ~const Foo {}
+   |            ^^^^^^
+   |
+   = note: see issue #67792 <https://github.com/rust-lang/rust/issues/67792> for more information
+   = help: add `#![feature(const_trait_impl)]` to the crate attributes to enable
+   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
+
+error[E0658]: const trait impls are experimental
+  --> $DIR/super-traits-fail-3.rs:32:17
+   |
+LL | const fn foo<T: ~const Bar>(x: &T) {
+   |                 ^^^^^^
+   |
+   = note: see issue #67792 <https://github.com/rust-lang/rust/issues/67792> for more information
+   = help: add `#![feature(const_trait_impl)]` to the crate attributes to enable
+   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
+
+error: `~const` can only be applied to `#[const_trait]` traits
+  --> $DIR/super-traits-fail-3.rs:23:12
+   |
+LL | trait Bar: ~const Foo {}
+   |            ^^^^^^ can't be applied to `Foo`
+   |
+help: enable `#![feature(const_trait_impl)]` in your crate and mark `Foo` as `#[const_trait]` to allow it to have `const` implementations
+   |
+LL | #[const_trait] trait Foo {
+   | ++++++++++++++
+
+error: `~const` can only be applied to `#[const_trait]` traits
+  --> $DIR/super-traits-fail-3.rs:23:12
+   |
+LL | trait Bar: ~const Foo {}
+   |            ^^^^^^ can't be applied to `Foo`
+   |
+   = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
+help: enable `#![feature(const_trait_impl)]` in your crate and mark `Foo` as `#[const_trait]` to allow it to have `const` implementations
+   |
+LL | #[const_trait] trait Foo {
+   | ++++++++++++++
+
+error: `~const` can only be applied to `#[const_trait]` traits
+  --> $DIR/super-traits-fail-3.rs:23:12
+   |
+LL | trait Bar: ~const Foo {}
+   |            ^^^^^^ can't be applied to `Foo`
+   |
+   = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
+help: enable `#![feature(const_trait_impl)]` in your crate and mark `Foo` as `#[const_trait]` to allow it to have `const` implementations
+   |
+LL | #[const_trait] trait Foo {
+   | ++++++++++++++
+
+error: `~const` can only be applied to `#[const_trait]` traits
+  --> $DIR/super-traits-fail-3.rs:32:17
+   |
+LL | const fn foo<T: ~const Bar>(x: &T) {
+   |                 ^^^^^^ can't be applied to `Bar`
+   |
+help: enable `#![feature(const_trait_impl)]` in your crate and mark `Bar` as `#[const_trait]` to allow it to have `const` implementations
+   |
+LL | #[const_trait] trait Bar: ~const Foo {}
+   | ++++++++++++++
+
+error: `~const` can only be applied to `#[const_trait]` traits
+  --> $DIR/super-traits-fail-3.rs:32:17
+   |
+LL | const fn foo<T: ~const Bar>(x: &T) {
+   |                 ^^^^^^ can't be applied to `Bar`
+   |
+   = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
+help: enable `#![feature(const_trait_impl)]` in your crate and mark `Bar` as `#[const_trait]` to allow it to have `const` implementations
+   |
+LL | #[const_trait] trait Bar: ~const Foo {}
+   | ++++++++++++++
+
+error[E0015]: cannot call non-const fn `<T as Foo>::a` in constant functions
+  --> $DIR/super-traits-fail-3.rs:36:7
+   |
+LL |     x.a();
+   |       ^^^
+   |
+   = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
+
+error: aborting due to 9 previous errors
+
+Some errors have detailed explanations: E0015, E0658.
+For more information about an error, try `rustc --explain E0015`.
diff --git a/tests/ui/traits/const-traits/super-traits-fail-3.nny.stderr b/tests/ui/traits/const-traits/super-traits-fail-3.nny.stderr
new file mode 100644
index 00000000000..fd802fde5bd
--- /dev/null
+++ b/tests/ui/traits/const-traits/super-traits-fail-3.nny.stderr
@@ -0,0 +1,102 @@
+error: `~const` is not allowed here
+  --> $DIR/super-traits-fail-3.rs:23:12
+   |
+LL | trait Bar: ~const Foo {}
+   |            ^^^^^^
+   |
+note: this trait is not a `#[const_trait]`, so it cannot have `~const` trait bounds
+  --> $DIR/super-traits-fail-3.rs:23:1
+   |
+LL | trait Bar: ~const Foo {}
+   | ^^^^^^^^^^^^^^^^^^^^^^^^
+
+error[E0658]: const trait impls are experimental
+  --> $DIR/super-traits-fail-3.rs:23:12
+   |
+LL | trait Bar: ~const Foo {}
+   |            ^^^^^^
+   |
+   = note: see issue #67792 <https://github.com/rust-lang/rust/issues/67792> for more information
+   = help: add `#![feature(const_trait_impl)]` to the crate attributes to enable
+   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
+
+error[E0658]: const trait impls are experimental
+  --> $DIR/super-traits-fail-3.rs:32:17
+   |
+LL | const fn foo<T: ~const Bar>(x: &T) {
+   |                 ^^^^^^
+   |
+   = note: see issue #67792 <https://github.com/rust-lang/rust/issues/67792> for more information
+   = help: add `#![feature(const_trait_impl)]` to the crate attributes to enable
+   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
+
+error: `~const` can only be applied to `#[const_trait]` traits
+  --> $DIR/super-traits-fail-3.rs:23:12
+   |
+LL | trait Bar: ~const Foo {}
+   |            ^^^^^^ can't be applied to `Foo`
+   |
+help: enable `#![feature(const_trait_impl)]` in your crate and mark `Foo` as `#[const_trait]` to allow it to have `const` implementations
+   |
+LL | #[const_trait] trait Foo {
+   | ++++++++++++++
+
+error: `~const` can only be applied to `#[const_trait]` traits
+  --> $DIR/super-traits-fail-3.rs:23:12
+   |
+LL | trait Bar: ~const Foo {}
+   |            ^^^^^^ can't be applied to `Foo`
+   |
+   = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
+help: enable `#![feature(const_trait_impl)]` in your crate and mark `Foo` as `#[const_trait]` to allow it to have `const` implementations
+   |
+LL | #[const_trait] trait Foo {
+   | ++++++++++++++
+
+error: `~const` can only be applied to `#[const_trait]` traits
+  --> $DIR/super-traits-fail-3.rs:23:12
+   |
+LL | trait Bar: ~const Foo {}
+   |            ^^^^^^ can't be applied to `Foo`
+   |
+   = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
+help: enable `#![feature(const_trait_impl)]` in your crate and mark `Foo` as `#[const_trait]` to allow it to have `const` implementations
+   |
+LL | #[const_trait] trait Foo {
+   | ++++++++++++++
+
+error: `~const` can only be applied to `#[const_trait]` traits
+  --> $DIR/super-traits-fail-3.rs:32:17
+   |
+LL | const fn foo<T: ~const Bar>(x: &T) {
+   |                 ^^^^^^ can't be applied to `Bar`
+   |
+help: enable `#![feature(const_trait_impl)]` in your crate and mark `Bar` as `#[const_trait]` to allow it to have `const` implementations
+   |
+LL | #[const_trait] trait Bar: ~const Foo {}
+   | ++++++++++++++
+
+error: `~const` can only be applied to `#[const_trait]` traits
+  --> $DIR/super-traits-fail-3.rs:32:17
+   |
+LL | const fn foo<T: ~const Bar>(x: &T) {
+   |                 ^^^^^^ can't be applied to `Bar`
+   |
+   = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
+help: enable `#![feature(const_trait_impl)]` in your crate and mark `Bar` as `#[const_trait]` to allow it to have `const` implementations
+   |
+LL | #[const_trait] trait Bar: ~const Foo {}
+   | ++++++++++++++
+
+error[E0015]: cannot call non-const fn `<T as Foo>::a` in constant functions
+  --> $DIR/super-traits-fail-3.rs:36:7
+   |
+LL |     x.a();
+   |       ^^^
+   |
+   = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
+
+error: aborting due to 9 previous errors
+
+Some errors have detailed explanations: E0015, E0658.
+For more information about an error, try `rustc --explain E0015`.
diff --git a/tests/ui/traits/const-traits/super-traits-fail-3.ny.stderr b/tests/ui/traits/const-traits/super-traits-fail-3.ny.stderr
deleted file mode 100644
index a880c2a2206..00000000000
--- a/tests/ui/traits/const-traits/super-traits-fail-3.ny.stderr
+++ /dev/null
@@ -1,49 +0,0 @@
-error: `~const` can only be applied to `#[const_trait]` traits
-  --> $DIR/super-traits-fail-3.rs:13:12
-   |
-LL | trait Bar: ~const Foo {}
-   |            ^^^^^^
-
-error: `~const` can only be applied to `#[const_trait]` traits
-  --> $DIR/super-traits-fail-3.rs:13:12
-   |
-LL | trait Bar: ~const Foo {}
-   |            ^^^^^^
-   |
-   = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
-
-error: `~const` can only be applied to `#[const_trait]` traits
-  --> $DIR/super-traits-fail-3.rs:13:12
-   |
-LL | trait Bar: ~const Foo {}
-   |            ^^^^^^
-   |
-   = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
-
-error: `~const` can only be applied to `#[const_trait]` traits
-  --> $DIR/super-traits-fail-3.rs:13:12
-   |
-LL | trait Bar: ~const Foo {}
-   |            ^^^^^^
-   |
-   = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
-
-error: `~const` can only be applied to `#[const_trait]` traits
-  --> $DIR/super-traits-fail-3.rs:13:12
-   |
-LL | trait Bar: ~const Foo {}
-   |            ^^^^^^
-   |
-   = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
-
-error[E0015]: cannot call non-const fn `<T as Foo>::a` in constant functions
-  --> $DIR/super-traits-fail-3.rs:24:7
-   |
-LL |     x.a();
-   |       ^^^
-   |
-   = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
-
-error: aborting due to 6 previous errors
-
-For more information about this error, try `rustc --explain E0015`.
diff --git a/tests/ui/traits/const-traits/super-traits-fail-3.nyn.stderr b/tests/ui/traits/const-traits/super-traits-fail-3.nyn.stderr
new file mode 100644
index 00000000000..8abda1c8f8a
--- /dev/null
+++ b/tests/ui/traits/const-traits/super-traits-fail-3.nyn.stderr
@@ -0,0 +1,53 @@
+error[E0658]: const trait impls are experimental
+  --> $DIR/super-traits-fail-3.rs:23:12
+   |
+LL | trait Bar: ~const Foo {}
+   |            ^^^^^^
+   |
+   = note: see issue #67792 <https://github.com/rust-lang/rust/issues/67792> for more information
+   = help: add `#![feature(const_trait_impl)]` to the crate attributes to enable
+   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
+
+error[E0658]: const trait impls are experimental
+  --> $DIR/super-traits-fail-3.rs:32:17
+   |
+LL | const fn foo<T: ~const Bar>(x: &T) {
+   |                 ^^^^^^
+   |
+   = note: see issue #67792 <https://github.com/rust-lang/rust/issues/67792> for more information
+   = help: add `#![feature(const_trait_impl)]` to the crate attributes to enable
+   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
+
+error[E0658]: `const_trait` is a temporary placeholder for marking a trait that is suitable for `const` `impls` and all default bodies as `const`, which may be removed or renamed in the future.
+  --> $DIR/super-traits-fail-3.rs:15:37
+   |
+LL | #[cfg_attr(any(yyy, yyn, nyy, nyn), const_trait)]
+   |                                     ^^^^^^^^^^^
+   |
+   = note: see issue #67792 <https://github.com/rust-lang/rust/issues/67792> for more information
+   = help: add `#![feature(const_trait_impl)]` to the crate attributes to enable
+   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
+
+error[E0658]: `const_trait` is a temporary placeholder for marking a trait that is suitable for `const` `impls` and all default bodies as `const`, which may be removed or renamed in the future.
+  --> $DIR/super-traits-fail-3.rs:21:37
+   |
+LL | #[cfg_attr(any(yyy, yny, nyy, nyn), const_trait)]
+   |                                     ^^^^^^^^^^^
+   |
+   = note: see issue #67792 <https://github.com/rust-lang/rust/issues/67792> for more information
+   = help: add `#![feature(const_trait_impl)]` to the crate attributes to enable
+   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
+
+error[E0658]: cannot call conditionally-const method `<T as Foo>::a` in constant functions
+  --> $DIR/super-traits-fail-3.rs:36:5
+   |
+LL |     x.a();
+   |     ^^^^^
+   |
+   = note: see issue #67792 <https://github.com/rust-lang/rust/issues/67792> for more information
+   = help: add `#![feature(const_trait_impl)]` to the crate attributes to enable
+   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
+
+error: aborting due to 5 previous errors
+
+For more information about this error, try `rustc --explain E0658`.
diff --git a/tests/ui/traits/const-traits/super-traits-fail-3.nyy.stderr b/tests/ui/traits/const-traits/super-traits-fail-3.nyy.stderr
new file mode 100644
index 00000000000..8abda1c8f8a
--- /dev/null
+++ b/tests/ui/traits/const-traits/super-traits-fail-3.nyy.stderr
@@ -0,0 +1,53 @@
+error[E0658]: const trait impls are experimental
+  --> $DIR/super-traits-fail-3.rs:23:12
+   |
+LL | trait Bar: ~const Foo {}
+   |            ^^^^^^
+   |
+   = note: see issue #67792 <https://github.com/rust-lang/rust/issues/67792> for more information
+   = help: add `#![feature(const_trait_impl)]` to the crate attributes to enable
+   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
+
+error[E0658]: const trait impls are experimental
+  --> $DIR/super-traits-fail-3.rs:32:17
+   |
+LL | const fn foo<T: ~const Bar>(x: &T) {
+   |                 ^^^^^^
+   |
+   = note: see issue #67792 <https://github.com/rust-lang/rust/issues/67792> for more information
+   = help: add `#![feature(const_trait_impl)]` to the crate attributes to enable
+   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
+
+error[E0658]: `const_trait` is a temporary placeholder for marking a trait that is suitable for `const` `impls` and all default bodies as `const`, which may be removed or renamed in the future.
+  --> $DIR/super-traits-fail-3.rs:15:37
+   |
+LL | #[cfg_attr(any(yyy, yyn, nyy, nyn), const_trait)]
+   |                                     ^^^^^^^^^^^
+   |
+   = note: see issue #67792 <https://github.com/rust-lang/rust/issues/67792> for more information
+   = help: add `#![feature(const_trait_impl)]` to the crate attributes to enable
+   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
+
+error[E0658]: `const_trait` is a temporary placeholder for marking a trait that is suitable for `const` `impls` and all default bodies as `const`, which may be removed or renamed in the future.
+  --> $DIR/super-traits-fail-3.rs:21:37
+   |
+LL | #[cfg_attr(any(yyy, yny, nyy, nyn), const_trait)]
+   |                                     ^^^^^^^^^^^
+   |
+   = note: see issue #67792 <https://github.com/rust-lang/rust/issues/67792> for more information
+   = help: add `#![feature(const_trait_impl)]` to the crate attributes to enable
+   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
+
+error[E0658]: cannot call conditionally-const method `<T as Foo>::a` in constant functions
+  --> $DIR/super-traits-fail-3.rs:36:5
+   |
+LL |     x.a();
+   |     ^^^^^
+   |
+   = note: see issue #67792 <https://github.com/rust-lang/rust/issues/67792> for more information
+   = help: add `#![feature(const_trait_impl)]` to the crate attributes to enable
+   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
+
+error: aborting due to 5 previous errors
+
+For more information about this error, try `rustc --explain E0658`.
diff --git a/tests/ui/traits/const-traits/super-traits-fail-3.rs b/tests/ui/traits/const-traits/super-traits-fail-3.rs
index bd95ae8d96a..aa27554e7f8 100644
--- a/tests/ui/traits/const-traits/super-traits-fail-3.rs
+++ b/tests/ui/traits/const-traits/super-traits-fail-3.rs
@@ -1,29 +1,42 @@
 //@ compile-flags: -Znext-solver
-#![feature(const_trait_impl)]
+#![cfg_attr(any(yyy, yyn, yny, ynn), feature(const_trait_impl))]
 
-//@ revisions: yy yn ny nn
-//@[yy] check-pass
+//@ revisions: yyy yyn yny ynn nyy nyn nny nnn
+//@[yyy] check-pass
+/// yyy: feature enabled, Foo is const, Bar is const
+/// yyn: feature enabled, Foo is const, Bar is not const
+/// yny: feature enabled, Foo is not const, Bar is const
+/// ynn: feature enabled, Foo is not const, Bar is not const
+/// nyy: feature not enabled, Foo is const, Bar is const
+/// nyn: feature not enabled, Foo is const, Bar is not const
+/// nny: feature not enabled, Foo is not const, Bar is const
+/// nnn: feature not enabled, Foo is not const, Bar is not const
 
-#[cfg_attr(any(yy, yn), const_trait)]
+#[cfg_attr(any(yyy, yyn, nyy, nyn), const_trait)]
+//[nyy,nyn]~^ ERROR: `const_trait` is a temporary placeholder for marking a trait that is suitable for `const` `impls` and all default bodies as `const`, which may be removed or renamed in the future
 trait Foo {
     fn a(&self);
 }
 
-#[cfg_attr(any(yy, ny), const_trait)]
+#[cfg_attr(any(yyy, yny, nyy, nyn), const_trait)]
+//[nyy,nyn]~^ ERROR: `const_trait` is a temporary placeholder for marking a trait that is suitable for `const` `impls` and all default bodies as `const`, which may be removed or renamed in the future
 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]`
-//[ny,nn]~| ERROR: `~const` can only be applied to `#[const_trait]`
-//[ny]~| ERROR: `~const` can only be applied to `#[const_trait]`
-//[ny]~| ERROR: `~const` can only be applied to `#[const_trait]`
-//[yn,nn]~^^^^^^ ERROR: `~const` is not allowed here
+//[yny,ynn,nny,nnn]~^ ERROR: `~const` can only be applied to `#[const_trait]`
+//[yny,ynn,nny,nnn]~| ERROR: `~const` can only be applied to `#[const_trait]`
+//[yny,ynn,nny,nnn]~| ERROR: `~const` can only be applied to `#[const_trait]`
+//[yny]~^^^^ ERROR: `~const` can only be applied to `#[const_trait]`
+//[yny]~| ERROR: `~const` can only be applied to `#[const_trait]`
+//[yyn,ynn,nny,nnn]~^^^^^^ ERROR: `~const` is not allowed here
+//[nyy,nyn,nny,nnn]~^^^^^^^ ERROR: const trait impls are experimental
 
 const fn foo<T: ~const Bar>(x: &T) {
-    //[yn,nn]~^ ERROR: `~const` can only be applied to `#[const_trait]`
-    //[yn,nn]~| ERROR: `~const` can only be applied to `#[const_trait]`
+    //[yyn,ynn,nny,nnn]~^ ERROR: `~const` can only be applied to `#[const_trait]`
+    //[yyn,ynn,nny,nnn]~| ERROR: `~const` can only be applied to `#[const_trait]`
+    //[nyy,nyn,nny,nnn]~^^^ ERROR: const trait impls are experimental
     x.a();
-    //[yn]~^ ERROR: the trait bound `T: ~const Foo` is not satisfied
-    //[nn,ny]~^^ ERROR: cannot call non-const fn `<T as Foo>::a` in constant functions
+    //[yyn]~^ ERROR: the trait bound `T: ~const Foo` is not satisfied
+    //[ynn,yny,nny,nnn]~^^ ERROR: cannot call non-const fn `<T as Foo>::a` in constant functions
+    //[nyy,nyn]~^^^ ERROR: cannot call conditionally-const method `<T as Foo>::a` in constant functions
 }
 
 fn main() {}
diff --git a/tests/ui/traits/const-traits/super-traits-fail-3.nn.stderr b/tests/ui/traits/const-traits/super-traits-fail-3.ynn.stderr
index 599b8c826f7..16424696eeb 100644
--- a/tests/ui/traits/const-traits/super-traits-fail-3.nn.stderr
+++ b/tests/ui/traits/const-traits/super-traits-fail-3.ynn.stderr
@@ -1,53 +1,75 @@
 error: `~const` is not allowed here
-  --> $DIR/super-traits-fail-3.rs:13:12
+  --> $DIR/super-traits-fail-3.rs:23:12
    |
 LL | trait Bar: ~const Foo {}
    |            ^^^^^^
    |
 note: this trait is not a `#[const_trait]`, so it cannot have `~const` trait bounds
-  --> $DIR/super-traits-fail-3.rs:13:1
+  --> $DIR/super-traits-fail-3.rs:23:1
    |
 LL | trait Bar: ~const Foo {}
    | ^^^^^^^^^^^^^^^^^^^^^^^^
 
 error: `~const` can only be applied to `#[const_trait]` traits
-  --> $DIR/super-traits-fail-3.rs:13:12
+  --> $DIR/super-traits-fail-3.rs:23:12
    |
 LL | trait Bar: ~const Foo {}
-   |            ^^^^^^
+   |            ^^^^^^ can't be applied to `Foo`
+   |
+help: mark `Foo` as `#[const_trait]` to allow it to have `const` implementations
+   |
+LL | #[const_trait] trait Foo {
+   | ++++++++++++++
 
 error: `~const` can only be applied to `#[const_trait]` traits
-  --> $DIR/super-traits-fail-3.rs:13:12
+  --> $DIR/super-traits-fail-3.rs:23:12
    |
 LL | trait Bar: ~const Foo {}
-   |            ^^^^^^
+   |            ^^^^^^ can't be applied to `Foo`
    |
    = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
+help: mark `Foo` as `#[const_trait]` to allow it to have `const` implementations
+   |
+LL | #[const_trait] trait Foo {
+   | ++++++++++++++
 
 error: `~const` can only be applied to `#[const_trait]` traits
-  --> $DIR/super-traits-fail-3.rs:13:12
+  --> $DIR/super-traits-fail-3.rs:23:12
    |
 LL | trait Bar: ~const Foo {}
-   |            ^^^^^^
+   |            ^^^^^^ can't be applied to `Foo`
    |
    = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
+help: mark `Foo` as `#[const_trait]` to allow it to have `const` implementations
+   |
+LL | #[const_trait] trait Foo {
+   | ++++++++++++++
 
 error: `~const` can only be applied to `#[const_trait]` traits
-  --> $DIR/super-traits-fail-3.rs:21:17
+  --> $DIR/super-traits-fail-3.rs:32:17
    |
 LL | const fn foo<T: ~const Bar>(x: &T) {
-   |                 ^^^^^^
+   |                 ^^^^^^ can't be applied to `Bar`
+   |
+help: mark `Bar` as `#[const_trait]` to allow it to have `const` implementations
+   |
+LL | #[const_trait] trait Bar: ~const Foo {}
+   | ++++++++++++++
 
 error: `~const` can only be applied to `#[const_trait]` traits
-  --> $DIR/super-traits-fail-3.rs:21:17
+  --> $DIR/super-traits-fail-3.rs:32:17
    |
 LL | const fn foo<T: ~const Bar>(x: &T) {
-   |                 ^^^^^^
+   |                 ^^^^^^ can't be applied to `Bar`
    |
    = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
+help: mark `Bar` as `#[const_trait]` to allow it to have `const` implementations
+   |
+LL | #[const_trait] trait Bar: ~const Foo {}
+   | ++++++++++++++
 
 error[E0015]: cannot call non-const fn `<T as Foo>::a` in constant functions
-  --> $DIR/super-traits-fail-3.rs:24:7
+  --> $DIR/super-traits-fail-3.rs:36:7
    |
 LL |     x.a();
    |       ^^^
diff --git a/tests/ui/traits/const-traits/super-traits-fail-3.yny.stderr b/tests/ui/traits/const-traits/super-traits-fail-3.yny.stderr
new file mode 100644
index 00000000000..c81544c4bf5
--- /dev/null
+++ b/tests/ui/traits/const-traits/super-traits-fail-3.yny.stderr
@@ -0,0 +1,70 @@
+error: `~const` can only be applied to `#[const_trait]` traits
+  --> $DIR/super-traits-fail-3.rs:23:12
+   |
+LL | trait Bar: ~const Foo {}
+   |            ^^^^^^ can't be applied to `Foo`
+   |
+help: mark `Foo` as `#[const_trait]` to allow it to have `const` implementations
+   |
+LL | #[const_trait] trait Foo {
+   | ++++++++++++++
+
+error: `~const` can only be applied to `#[const_trait]` traits
+  --> $DIR/super-traits-fail-3.rs:23:12
+   |
+LL | trait Bar: ~const Foo {}
+   |            ^^^^^^ can't be applied to `Foo`
+   |
+   = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
+help: mark `Foo` as `#[const_trait]` to allow it to have `const` implementations
+   |
+LL | #[const_trait] trait Foo {
+   | ++++++++++++++
+
+error: `~const` can only be applied to `#[const_trait]` traits
+  --> $DIR/super-traits-fail-3.rs:23:12
+   |
+LL | trait Bar: ~const Foo {}
+   |            ^^^^^^ can't be applied to `Foo`
+   |
+   = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
+help: mark `Foo` as `#[const_trait]` to allow it to have `const` implementations
+   |
+LL | #[const_trait] trait Foo {
+   | ++++++++++++++
+
+error: `~const` can only be applied to `#[const_trait]` traits
+  --> $DIR/super-traits-fail-3.rs:23:12
+   |
+LL | trait Bar: ~const Foo {}
+   |            ^^^^^^ can't be applied to `Foo`
+   |
+   = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
+help: mark `Foo` as `#[const_trait]` to allow it to have `const` implementations
+   |
+LL | #[const_trait] trait Foo {
+   | ++++++++++++++
+
+error: `~const` can only be applied to `#[const_trait]` traits
+  --> $DIR/super-traits-fail-3.rs:23:12
+   |
+LL | trait Bar: ~const Foo {}
+   |            ^^^^^^ can't be applied to `Foo`
+   |
+   = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
+help: mark `Foo` as `#[const_trait]` to allow it to have `const` implementations
+   |
+LL | #[const_trait] trait Foo {
+   | ++++++++++++++
+
+error[E0015]: cannot call non-const fn `<T as Foo>::a` in constant functions
+  --> $DIR/super-traits-fail-3.rs:36:7
+   |
+LL |     x.a();
+   |       ^^^
+   |
+   = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
+
+error: aborting due to 6 previous errors
+
+For more information about this error, try `rustc --explain E0015`.
diff --git a/tests/ui/traits/const-traits/super-traits-fail-3.yn.stderr b/tests/ui/traits/const-traits/super-traits-fail-3.yyn.stderr
index ecee348222d..3270611dace 100644
--- a/tests/ui/traits/const-traits/super-traits-fail-3.yn.stderr
+++ b/tests/ui/traits/const-traits/super-traits-fail-3.yyn.stderr
@@ -1,31 +1,40 @@
 error: `~const` is not allowed here
-  --> $DIR/super-traits-fail-3.rs:13:12
+  --> $DIR/super-traits-fail-3.rs:23:12
    |
 LL | trait Bar: ~const Foo {}
    |            ^^^^^^
    |
 note: this trait is not a `#[const_trait]`, so it cannot have `~const` trait bounds
-  --> $DIR/super-traits-fail-3.rs:13:1
+  --> $DIR/super-traits-fail-3.rs:23:1
    |
 LL | trait Bar: ~const Foo {}
    | ^^^^^^^^^^^^^^^^^^^^^^^^
 
 error: `~const` can only be applied to `#[const_trait]` traits
-  --> $DIR/super-traits-fail-3.rs:21:17
+  --> $DIR/super-traits-fail-3.rs:32:17
    |
 LL | const fn foo<T: ~const Bar>(x: &T) {
-   |                 ^^^^^^
+   |                 ^^^^^^ can't be applied to `Bar`
+   |
+help: mark `Bar` as `#[const_trait]` to allow it to have `const` implementations
+   |
+LL | #[const_trait] trait Bar: ~const Foo {}
+   | ++++++++++++++
 
 error: `~const` can only be applied to `#[const_trait]` traits
-  --> $DIR/super-traits-fail-3.rs:21:17
+  --> $DIR/super-traits-fail-3.rs:32:17
    |
 LL | const fn foo<T: ~const Bar>(x: &T) {
-   |                 ^^^^^^
+   |                 ^^^^^^ can't be applied to `Bar`
    |
    = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
+help: mark `Bar` as `#[const_trait]` to allow it to have `const` implementations
+   |
+LL | #[const_trait] trait Bar: ~const Foo {}
+   | ++++++++++++++
 
 error[E0277]: the trait bound `T: ~const Foo` is not satisfied
-  --> $DIR/super-traits-fail-3.rs:24:7
+  --> $DIR/super-traits-fail-3.rs:36:7
    |
 LL |     x.a();
    |       ^
diff --git a/tests/ui/traits/const-traits/trait-default-body-stability.stderr b/tests/ui/traits/const-traits/trait-default-body-stability.stderr
index b471cb81c3b..77b81211e81 100644
--- a/tests/ui/traits/const-traits/trait-default-body-stability.stderr
+++ b/tests/ui/traits/const-traits/trait-default-body-stability.stderr
@@ -2,7 +2,7 @@ error: const `impl` for trait `Try` which is not marked with `#[const_trait]`
   --> $DIR/trait-default-body-stability.rs:19:12
    |
 LL | impl const Try for T {
-   |            ^^^
+   |            ^^^ this trait is not `const`
    |
    = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const`
    = note: adding a non-const method body in the future would be a breaking change
@@ -11,7 +11,7 @@ error: const `impl` for trait `FromResidual` which is not marked with `#[const_t
   --> $DIR/trait-default-body-stability.rs:34:12
    |
 LL | impl const FromResidual for T {
-   |            ^^^^^^^^^^^^
+   |            ^^^^^^^^^^^^ this trait is not `const`
    |
    = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const`
    = note: adding a non-const method body in the future would be a breaking change
diff --git a/tests/ui/traits/issue-78372.stderr b/tests/ui/traits/issue-78372.stderr
index 86234d15a5d..1c58915111f 100644
--- a/tests/ui/traits/issue-78372.stderr
+++ b/tests/ui/traits/issue-78372.stderr
@@ -61,8 +61,8 @@ error[E0307]: invalid `self` parameter type: `Smaht<Self, T>`
 LL |     fn foo(self: Smaht<Self, T>);
    |                  ^^^^^^^^^^^^^^
    |
-   = note: type of `self` must be `Self` or a type that dereferences to it
-   = help: consider changing to `self`, `&self`, `&mut self`, `self: Box<Self>`, `self: Rc<Self>`, `self: Arc<Self>`, or `self: Pin<P>` (where P is one of the previous types except `Self`)
+   = note: type of `self` must be `Self` or some type implementing `Receiver`
+   = help: consider changing to `self`, `&self`, `&mut self`, or a type implementing `Receiver` such as `self: Box<Self>`, `self: Rc<Self>`, or `self: Arc<Self>`
 
 error[E0378]: the trait `DispatchFromDyn` may only be implemented for a coercion between structures
   --> $DIR/issue-78372.rs:3:1
diff --git a/tests/ui/type-alias-impl-trait/method_resolution3.current.stderr b/tests/ui/type-alias-impl-trait/method_resolution3.current.stderr
index 09efd7a9e7e..c6aa0e811f3 100644
--- a/tests/ui/type-alias-impl-trait/method_resolution3.current.stderr
+++ b/tests/ui/type-alias-impl-trait/method_resolution3.current.stderr
@@ -4,8 +4,8 @@ error[E0307]: invalid `self` parameter type: `Bar<u32>`
 LL |     fn bar(self: Bar<u32>) {
    |                  ^^^^^^^^
    |
-   = note: type of `self` must be `Self` or a type that dereferences to it
-   = help: consider changing to `self`, `&self`, `&mut self`, `self: Box<Self>`, `self: Rc<Self>`, `self: Arc<Self>`, or `self: Pin<P>` (where P is one of the previous types except `Self`)
+   = note: type of `self` must be `Self` or some type implementing `Receiver`
+   = help: consider changing to `self`, `&self`, `&mut self`, or a type implementing `Receiver` such as `self: Box<Self>`, `self: Rc<Self>`, or `self: Arc<Self>`
 
 error[E0307]: invalid `self` parameter type: `&Bar<u32>`
   --> $DIR/method_resolution3.rs:20:18
@@ -13,8 +13,8 @@ error[E0307]: invalid `self` parameter type: `&Bar<u32>`
 LL |     fn baz(self: &Bar<u32>) {
    |                  ^^^^^^^^^
    |
-   = note: type of `self` must be `Self` or a type that dereferences to it
-   = help: consider changing to `self`, `&self`, `&mut self`, `self: Box<Self>`, `self: Rc<Self>`, `self: Arc<Self>`, or `self: Pin<P>` (where P is one of the previous types except `Self`)
+   = note: type of `self` must be `Self` or some type implementing `Receiver`
+   = help: consider changing to `self`, `&self`, `&mut self`, or a type implementing `Receiver` such as `self: Box<Self>`, `self: Rc<Self>`, or `self: Arc<Self>`
 
 error: aborting due to 2 previous errors
 
diff --git a/tests/ui/type-alias-impl-trait/method_resolution3.next.stderr b/tests/ui/type-alias-impl-trait/method_resolution3.next.stderr
index 09efd7a9e7e..c6aa0e811f3 100644
--- a/tests/ui/type-alias-impl-trait/method_resolution3.next.stderr
+++ b/tests/ui/type-alias-impl-trait/method_resolution3.next.stderr
@@ -4,8 +4,8 @@ error[E0307]: invalid `self` parameter type: `Bar<u32>`
 LL |     fn bar(self: Bar<u32>) {
    |                  ^^^^^^^^
    |
-   = note: type of `self` must be `Self` or a type that dereferences to it
-   = help: consider changing to `self`, `&self`, `&mut self`, `self: Box<Self>`, `self: Rc<Self>`, `self: Arc<Self>`, or `self: Pin<P>` (where P is one of the previous types except `Self`)
+   = note: type of `self` must be `Self` or some type implementing `Receiver`
+   = help: consider changing to `self`, `&self`, `&mut self`, or a type implementing `Receiver` such as `self: Box<Self>`, `self: Rc<Self>`, or `self: Arc<Self>`
 
 error[E0307]: invalid `self` parameter type: `&Bar<u32>`
   --> $DIR/method_resolution3.rs:20:18
@@ -13,8 +13,8 @@ error[E0307]: invalid `self` parameter type: `&Bar<u32>`
 LL |     fn baz(self: &Bar<u32>) {
    |                  ^^^^^^^^^
    |
-   = note: type of `self` must be `Self` or a type that dereferences to it
-   = help: consider changing to `self`, `&self`, `&mut self`, `self: Box<Self>`, `self: Rc<Self>`, `self: Arc<Self>`, or `self: Pin<P>` (where P is one of the previous types except `Self`)
+   = note: type of `self` must be `Self` or some type implementing `Receiver`
+   = help: consider changing to `self`, `&self`, `&mut self`, or a type implementing `Receiver` such as `self: Box<Self>`, `self: Rc<Self>`, or `self: Arc<Self>`
 
 error: aborting due to 2 previous errors
 
diff --git a/tests/ui/type-alias-impl-trait/method_resolution4.current.stderr b/tests/ui/type-alias-impl-trait/method_resolution4.current.stderr
index 8ffdb21f251..e4c4d121733 100644
--- a/tests/ui/type-alias-impl-trait/method_resolution4.current.stderr
+++ b/tests/ui/type-alias-impl-trait/method_resolution4.current.stderr
@@ -4,8 +4,8 @@ error[E0307]: invalid `self` parameter type: `Bar<Foo>`
 LL |     fn foo(self: Bar<Foo>) {
    |                  ^^^^^^^^
    |
-   = note: type of `self` must be `Self` or a type that dereferences to it
-   = help: consider changing to `self`, `&self`, `&mut self`, `self: Box<Self>`, `self: Rc<Self>`, `self: Arc<Self>`, or `self: Pin<P>` (where P is one of the previous types except `Self`)
+   = note: type of `self` must be `Self` or some type implementing `Receiver`
+   = help: consider changing to `self`, `&self`, `&mut self`, or a type implementing `Receiver` such as `self: Box<Self>`, `self: Rc<Self>`, or `self: Arc<Self>`
 
 error[E0307]: invalid `self` parameter type: `&Bar<Foo>`
   --> $DIR/method_resolution4.rs:31:20
@@ -13,8 +13,8 @@ error[E0307]: invalid `self` parameter type: `&Bar<Foo>`
 LL |     fn foomp(self: &Bar<Foo>) {
    |                    ^^^^^^^^^
    |
-   = note: type of `self` must be `Self` or a type that dereferences to it
-   = help: consider changing to `self`, `&self`, `&mut self`, `self: Box<Self>`, `self: Rc<Self>`, `self: Arc<Self>`, or `self: Pin<P>` (where P is one of the previous types except `Self`)
+   = note: type of `self` must be `Self` or some type implementing `Receiver`
+   = help: consider changing to `self`, `&self`, `&mut self`, or a type implementing `Receiver` such as `self: Box<Self>`, `self: Rc<Self>`, or `self: Arc<Self>`
 
 error: aborting due to 2 previous errors
 
diff --git a/tests/ui/type-alias-impl-trait/method_resolution4.next.stderr b/tests/ui/type-alias-impl-trait/method_resolution4.next.stderr
index 8ffdb21f251..e4c4d121733 100644
--- a/tests/ui/type-alias-impl-trait/method_resolution4.next.stderr
+++ b/tests/ui/type-alias-impl-trait/method_resolution4.next.stderr
@@ -4,8 +4,8 @@ error[E0307]: invalid `self` parameter type: `Bar<Foo>`
 LL |     fn foo(self: Bar<Foo>) {
    |                  ^^^^^^^^
    |
-   = note: type of `self` must be `Self` or a type that dereferences to it
-   = help: consider changing to `self`, `&self`, `&mut self`, `self: Box<Self>`, `self: Rc<Self>`, `self: Arc<Self>`, or `self: Pin<P>` (where P is one of the previous types except `Self`)
+   = note: type of `self` must be `Self` or some type implementing `Receiver`
+   = help: consider changing to `self`, `&self`, `&mut self`, or a type implementing `Receiver` such as `self: Box<Self>`, `self: Rc<Self>`, or `self: Arc<Self>`
 
 error[E0307]: invalid `self` parameter type: `&Bar<Foo>`
   --> $DIR/method_resolution4.rs:31:20
@@ -13,8 +13,8 @@ error[E0307]: invalid `self` parameter type: `&Bar<Foo>`
 LL |     fn foomp(self: &Bar<Foo>) {
    |                    ^^^^^^^^^
    |
-   = note: type of `self` must be `Self` or a type that dereferences to it
-   = help: consider changing to `self`, `&self`, `&mut self`, `self: Box<Self>`, `self: Rc<Self>`, `self: Arc<Self>`, or `self: Pin<P>` (where P is one of the previous types except `Self`)
+   = note: type of `self` must be `Self` or some type implementing `Receiver`
+   = help: consider changing to `self`, `&self`, `&mut self`, or a type implementing `Receiver` such as `self: Box<Self>`, `self: Rc<Self>`, or `self: Arc<Self>`
 
 error: aborting due to 2 previous errors
 
diff --git a/tests/ui/type/type-dependent-def-issue-49241.stderr b/tests/ui/type/type-dependent-def-issue-49241.stderr
index 4e55618e5cb..cf372dc5968 100644
--- a/tests/ui/type/type-dependent-def-issue-49241.stderr
+++ b/tests/ui/type/type-dependent-def-issue-49241.stderr
@@ -9,12 +9,6 @@ help: consider using `let` instead of `const`
 LL |     let l: usize = v.count();
    |     ~~~
 
-note: erroneous constant encountered
-  --> $DIR/type-dependent-def-issue-49241.rs:4:18
-   |
-LL |     let s: [u32; l] = v.into_iter().collect();
-   |                  ^
-
 error: aborting due to 1 previous error
 
 For more information about this error, try `rustc --explain E0435`.
diff --git a/tests/ui/ufcs/ufcs-explicit-self-bad.stderr b/tests/ui/ufcs/ufcs-explicit-self-bad.stderr
index 2a8c4edbdb5..36bdc714e05 100644
--- a/tests/ui/ufcs/ufcs-explicit-self-bad.stderr
+++ b/tests/ui/ufcs/ufcs-explicit-self-bad.stderr
@@ -22,8 +22,8 @@ error[E0307]: invalid `self` parameter type: `isize`
 LL |     fn foo(self: isize, x: isize) -> isize {
    |                  ^^^^^
    |
-   = note: type of `self` must be `Self` or a type that dereferences to it
-   = help: consider changing to `self`, `&self`, `&mut self`, `self: Box<Self>`, `self: Rc<Self>`, `self: Arc<Self>`, or `self: Pin<P>` (where P is one of the previous types except `Self`)
+   = note: type of `self` must be `Self` or some type implementing `Receiver`
+   = help: consider changing to `self`, `&self`, `&mut self`, or a type implementing `Receiver` such as `self: Box<Self>`, `self: Rc<Self>`, or `self: Arc<Self>`
 
 error[E0307]: invalid `self` parameter type: `Bar<isize>`
   --> $DIR/ufcs-explicit-self-bad.rs:19:18
@@ -31,8 +31,8 @@ error[E0307]: invalid `self` parameter type: `Bar<isize>`
 LL |     fn foo(self: Bar<isize>, x: isize) -> isize {
    |                  ^^^^^^^^^^
    |
-   = note: type of `self` must be `Self` or a type that dereferences to it
-   = help: consider changing to `self`, `&self`, `&mut self`, `self: Box<Self>`, `self: Rc<Self>`, `self: Arc<Self>`, or `self: Pin<P>` (where P is one of the previous types except `Self`)
+   = note: type of `self` must be `Self` or some type implementing `Receiver`
+   = help: consider changing to `self`, `&self`, `&mut self`, or a type implementing `Receiver` such as `self: Box<Self>`, `self: Rc<Self>`, or `self: Arc<Self>`
 
 error[E0307]: invalid `self` parameter type: `&Bar<usize>`
   --> $DIR/ufcs-explicit-self-bad.rs:23:18
@@ -40,8 +40,8 @@ error[E0307]: invalid `self` parameter type: `&Bar<usize>`
 LL |     fn bar(self: &Bar<usize>, x: isize) -> isize {
    |                  ^^^^^^^^^^^
    |
-   = note: type of `self` must be `Self` or a type that dereferences to it
-   = help: consider changing to `self`, `&self`, `&mut self`, `self: Box<Self>`, `self: Rc<Self>`, `self: Arc<Self>`, or `self: Pin<P>` (where P is one of the previous types except `Self`)
+   = note: type of `self` must be `Self` or some type implementing `Receiver`
+   = help: consider changing to `self`, `&self`, `&mut self`, or a type implementing `Receiver` such as `self: Box<Self>`, `self: Rc<Self>`, or `self: Arc<Self>`
 
 error[E0308]: mismatched `self` parameter type
   --> $DIR/ufcs-explicit-self-bad.rs:37:21
diff --git a/tests/ui/unpretty/expanded-exhaustive.rs b/tests/ui/unpretty/expanded-exhaustive.rs
index 9af57fe4c3c..98fe05cf7c8 100644
--- a/tests/ui/unpretty/expanded-exhaustive.rs
+++ b/tests/ui/unpretty/expanded-exhaustive.rs
@@ -2,7 +2,6 @@
 //@ edition:2024
 //@ check-pass
 
-#![feature(async_closure)]
 #![feature(auto_traits)]
 #![feature(box_patterns)]
 #![feature(builtin_syntax)]
diff --git a/tests/ui/unpretty/expanded-exhaustive.stdout b/tests/ui/unpretty/expanded-exhaustive.stdout
index 14a274415ca..452c06dd7e4 100644
--- a/tests/ui/unpretty/expanded-exhaustive.stdout
+++ b/tests/ui/unpretty/expanded-exhaustive.stdout
@@ -3,7 +3,6 @@
 //@ edition:2024
 //@ check-pass
 
-#![feature(async_closure)]
 #![feature(auto_traits)]
 #![feature(box_patterns)]
 #![feature(builtin_syntax)]
diff --git a/tests/ui/unsafe-binders/expr.rs b/tests/ui/unsafe-binders/expr.rs
new file mode 100644
index 00000000000..d8c4c2df2cd
--- /dev/null
+++ b/tests/ui/unsafe-binders/expr.rs
@@ -0,0 +1,13 @@
+#![feature(unsafe_binders)]
+//~^ WARN the feature `unsafe_binders` is incomplete
+
+use std::unsafe_binder::{wrap_binder, unwrap_binder};
+
+fn main() {
+    let x = 1;
+    let binder: unsafe<'a> &'a i32 = wrap_binder!(x);
+    //~^ ERROR unsafe binders are not yet implemented
+    //~| ERROR unsafe binders are not yet implemented
+    let rx = *unwrap_binder!(binder);
+    //~^ ERROR unsafe binders are not yet implemented
+}
diff --git a/tests/ui/unsafe-binders/expr.stderr b/tests/ui/unsafe-binders/expr.stderr
new file mode 100644
index 00000000000..26fae1958b0
--- /dev/null
+++ b/tests/ui/unsafe-binders/expr.stderr
@@ -0,0 +1,29 @@
+warning: the feature `unsafe_binders` is incomplete and may not be safe to use and/or cause compiler crashes
+  --> $DIR/expr.rs:1:12
+   |
+LL | #![feature(unsafe_binders)]
+   |            ^^^^^^^^^^^^^^
+   |
+   = note: see issue #130516 <https://github.com/rust-lang/rust/issues/130516> for more information
+   = note: `#[warn(incomplete_features)]` on by default
+
+error: unsafe binders are not yet implemented
+  --> $DIR/expr.rs:8:17
+   |
+LL |     let binder: unsafe<'a> &'a i32 = wrap_binder!(x);
+   |                 ^^^^^^^^^^^^^^^^^^
+
+error: unsafe binders are not yet implemented
+  --> $DIR/expr.rs:8:51
+   |
+LL |     let binder: unsafe<'a> &'a i32 = wrap_binder!(x);
+   |                                                   ^
+
+error: unsafe binders are not yet implemented
+  --> $DIR/expr.rs:11:30
+   |
+LL |     let rx = *unwrap_binder!(binder);
+   |                              ^^^^^^
+
+error: aborting due to 3 previous errors; 1 warning emitted
+
diff --git a/tests/ui/unsafe-binders/lifetime-resolution.rs b/tests/ui/unsafe-binders/lifetime-resolution.rs
new file mode 100644
index 00000000000..aebed9599d4
--- /dev/null
+++ b/tests/ui/unsafe-binders/lifetime-resolution.rs
@@ -0,0 +1,19 @@
+#![feature(unsafe_binders)]
+//~^ WARN the feature `unsafe_binders` is incomplete
+
+fn foo<'a>() {
+    let good: unsafe<'b> &'a &'b ();
+    //~^ ERROR unsafe binders are not yet implemented
+
+    let missing: unsafe<> &'missing ();
+    //~^ ERROR unsafe binders are not yet implemented
+    //~| ERROR use of undeclared lifetime name `'missing`
+
+    fn inner<'b>() {
+        let outer: unsafe<> &'a &'b ();
+        //~^ ERROR unsafe binders are not yet implemented
+        //~| can't use generic parameters from outer item
+    }
+}
+
+fn main() {}
diff --git a/tests/ui/unsafe-binders/lifetime-resolution.stderr b/tests/ui/unsafe-binders/lifetime-resolution.stderr
new file mode 100644
index 00000000000..7a8ce929df1
--- /dev/null
+++ b/tests/ui/unsafe-binders/lifetime-resolution.stderr
@@ -0,0 +1,65 @@
+error[E0261]: use of undeclared lifetime name `'missing`
+  --> $DIR/lifetime-resolution.rs:8:28
+   |
+LL |     let missing: unsafe<> &'missing ();
+   |                            ^^^^^^^^ undeclared lifetime
+   |
+   = note: for more information on higher-ranked polymorphism, visit https://doc.rust-lang.org/nomicon/hrtb.html
+help: consider making the type lifetime-generic with a new `'missing` lifetime
+   |
+LL |     let missing: unsafe<'missing, > &'missing ();
+   |                         +++++++++
+help: consider introducing lifetime `'missing` here
+   |
+LL | fn foo<'missing, 'a>() {
+   |        +++++++++
+
+error[E0401]: can't use generic parameters from outer item
+  --> $DIR/lifetime-resolution.rs:13:30
+   |
+LL | fn foo<'a>() {
+   |        -- lifetime parameter from outer item
+...
+LL |         let outer: unsafe<> &'a &'b ();
+   |                              ^^ use of generic parameter from outer item
+   |
+help: consider making the type lifetime-generic with a new `'a` lifetime
+   |
+LL |         let outer: unsafe<'a, > &'a &'b ();
+   |                           +++
+help: consider introducing lifetime `'a` here
+   |
+LL |     fn inner<'a, 'b>() {
+   |              +++
+
+warning: the feature `unsafe_binders` is incomplete and may not be safe to use and/or cause compiler crashes
+  --> $DIR/lifetime-resolution.rs:1:12
+   |
+LL | #![feature(unsafe_binders)]
+   |            ^^^^^^^^^^^^^^
+   |
+   = note: see issue #130516 <https://github.com/rust-lang/rust/issues/130516> for more information
+   = note: `#[warn(incomplete_features)]` on by default
+
+error: unsafe binders are not yet implemented
+  --> $DIR/lifetime-resolution.rs:5:15
+   |
+LL |     let good: unsafe<'b> &'a &'b ();
+   |               ^^^^^^^^^^^^^^^^^^^^^
+
+error: unsafe binders are not yet implemented
+  --> $DIR/lifetime-resolution.rs:8:18
+   |
+LL |     let missing: unsafe<> &'missing ();
+   |                  ^^^^^^^^^^^^^^^^^^^^^
+
+error: unsafe binders are not yet implemented
+  --> $DIR/lifetime-resolution.rs:13:20
+   |
+LL |         let outer: unsafe<> &'a &'b ();
+   |                    ^^^^^^^^^^^^^^^^^^^
+
+error: aborting due to 5 previous errors; 1 warning emitted
+
+Some errors have detailed explanations: E0261, E0401.
+For more information about an error, try `rustc --explain E0261`.
diff --git a/tests/ui/unsafe-binders/simple.rs b/tests/ui/unsafe-binders/simple.rs
new file mode 100644
index 00000000000..cebff2cbfb8
--- /dev/null
+++ b/tests/ui/unsafe-binders/simple.rs
@@ -0,0 +1,7 @@
+#![feature(unsafe_binders)]
+//~^ WARN the feature `unsafe_binders` is incomplete
+
+fn main() {
+    let x: unsafe<'a> &'a ();
+    //~^ ERROR unsafe binders are not yet implemented
+}
diff --git a/tests/ui/unsafe-binders/simple.stderr b/tests/ui/unsafe-binders/simple.stderr
new file mode 100644
index 00000000000..a21dbd00b4c
--- /dev/null
+++ b/tests/ui/unsafe-binders/simple.stderr
@@ -0,0 +1,17 @@
+warning: the feature `unsafe_binders` is incomplete and may not be safe to use and/or cause compiler crashes
+  --> $DIR/simple.rs:1:12
+   |
+LL | #![feature(unsafe_binders)]
+   |            ^^^^^^^^^^^^^^
+   |
+   = note: see issue #130516 <https://github.com/rust-lang/rust/issues/130516> for more information
+   = note: `#[warn(incomplete_features)]` on by default
+
+error: unsafe binders are not yet implemented
+  --> $DIR/simple.rs:5:12
+   |
+LL |     let x: unsafe<'a> &'a ();
+   |            ^^^^^^^^^^^^^^^^^
+
+error: aborting due to 1 previous error; 1 warning emitted
+
diff --git a/tests/ui/unsafe-fields/copy-trait.rs b/tests/ui/unsafe-fields/copy-trait.rs
new file mode 100644
index 00000000000..fb09ed02e3f
--- /dev/null
+++ b/tests/ui/unsafe-fields/copy-trait.rs
@@ -0,0 +1,41 @@
+//@ compile-flags: --crate-type=lib
+
+#![feature(unsafe_fields)]
+#![allow(incomplete_features)]
+#![deny(missing_copy_implementations)]
+
+mod good_safe_impl {
+    enum SafeEnum {
+        Safe(u8),
+    }
+
+    impl Copy for SafeEnum {}
+}
+
+mod bad_safe_impl {
+    enum UnsafeEnum {
+        Safe(u8),
+        Unsafe { unsafe field: u8 },
+    }
+
+    impl Copy for UnsafeEnum {}
+    //~^ ERROR the trait `Copy` requires an `unsafe impl` declaration
+}
+
+mod good_unsafe_impl {
+    enum UnsafeEnum {
+        Safe(u8),
+        Unsafe { unsafe field: u8 },
+    }
+
+    unsafe impl Copy for UnsafeEnum {}
+}
+
+mod bad_unsafe_impl {
+    enum SafeEnum {
+        Safe(u8),
+    }
+
+    unsafe impl Copy for SafeEnum {}
+    //~^ ERROR implementing the trait `Copy` is not unsafe
+}
diff --git a/tests/ui/unsafe-fields/copy-trait.stderr b/tests/ui/unsafe-fields/copy-trait.stderr
new file mode 100644
index 00000000000..5952f8c89c1
--- /dev/null
+++ b/tests/ui/unsafe-fields/copy-trait.stderr
@@ -0,0 +1,28 @@
+error[E0200]: the trait `Copy` requires an `unsafe impl` declaration
+  --> $DIR/copy-trait.rs:21:5
+   |
+LL |     impl Copy for UnsafeEnum {}
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+   = note: the trait `Copy` cannot be safely implemented for `bad_safe_impl::UnsafeEnum` because it has unsafe fields. Review the invariants of those fields before adding an `unsafe impl`
+help: add `unsafe` to this trait implementation
+   |
+LL |     unsafe impl Copy for UnsafeEnum {}
+   |     ++++++
+
+error[E0199]: implementing the trait `Copy` is not unsafe
+  --> $DIR/copy-trait.rs:39:5
+   |
+LL |     unsafe impl Copy for SafeEnum {}
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+help: remove `unsafe` from this trait implementation
+   |
+LL -     unsafe impl Copy for SafeEnum {}
+LL +     impl Copy for SafeEnum {}
+   |
+
+error: aborting due to 2 previous errors
+
+Some errors have detailed explanations: E0199, E0200.
+For more information about an error, try `rustc --explain E0199`.