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-rw-r--r--tests/incremental/hashes/function_interfaces.rs6
-rw-r--r--tests/incremental/hashes/inherent_impls.rs8
-rw-r--r--tests/mir-opt/array_index_is_temporary.main.SimplifyCfg-pre-optimizations.after.panic-abort.mir2
-rw-r--r--tests/mir-opt/array_index_is_temporary.main.SimplifyCfg-pre-optimizations.after.panic-unwind.mir2
-rw-r--r--tests/mir-opt/asm_unwind_panic_abort.main.AbortUnwindingCalls.after.mir2
-rw-r--r--tests/mir-opt/box_expr.main.ElaborateDrops.diff2
-rw-r--r--tests/mir-opt/building/async_await.b-{closure#0}.coroutine_resume.0.mir8
-rw-r--r--tests/mir-opt/building/uniform_array_move_out.move_out_by_subslice.built.after.mir6
-rw-r--r--tests/mir-opt/building/uniform_array_move_out.move_out_from_end.built.after.mir6
-rw-r--r--tests/mir-opt/const_promotion_extern_static.FOO.PromoteTemps.diff2
-rw-r--r--tests/mir-opt/const_prop/address_of_pair.fn0.GVN.diff2
-rw-r--r--tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.GVN.32bit.panic-abort.diff6
-rw-r--r--tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.GVN.32bit.panic-unwind.diff6
-rw-r--r--tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.GVN.64bit.panic-abort.diff6
-rw-r--r--tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.GVN.64bit.panic-unwind.diff6
-rw-r--r--tests/mir-opt/const_prop/boxes.main.GVN.panic-abort.diff2
-rw-r--r--tests/mir-opt/const_prop/boxes.main.GVN.panic-unwind.diff2
-rw-r--r--tests/mir-opt/const_prop/indirect_mutation.bar.GVN.diff2
-rw-r--r--tests/mir-opt/const_prop/invalid_constant.main.GVN.diff12
-rw-r--r--tests/mir-opt/const_prop/invalid_constant.main.RemoveZsts.diff12
-rw-r--r--tests/mir-opt/const_prop/mutable_variable_no_prop.main.GVN.diff2
-rw-r--r--tests/mir-opt/const_prop/transmute.from_char.GVN.32bit.diff2
-rw-r--r--tests/mir-opt/const_prop/transmute.from_char.GVN.64bit.diff2
-rw-r--r--tests/mir-opt/const_prop/transmute.invalid_bool.GVN.32bit.diff2
-rw-r--r--tests/mir-opt/const_prop/transmute.invalid_bool.GVN.64bit.diff2
-rw-r--r--tests/mir-opt/const_prop/transmute.invalid_char.GVN.32bit.diff2
-rw-r--r--tests/mir-opt/const_prop/transmute.invalid_char.GVN.64bit.diff2
-rw-r--r--tests/mir-opt/const_prop/transmute.less_as_i8.GVN.32bit.diff2
-rw-r--r--tests/mir-opt/const_prop/transmute.less_as_i8.GVN.64bit.diff2
-rw-r--r--tests/mir-opt/const_prop/transmute.undef_union_as_integer.GVN.32bit.diff2
-rw-r--r--tests/mir-opt/const_prop/transmute.undef_union_as_integer.GVN.64bit.diff2
-rw-r--r--tests/mir-opt/const_prop/transmute.unreachable_box.GVN.32bit.diff2
-rw-r--r--tests/mir-opt/const_prop/transmute.unreachable_box.GVN.64bit.diff2
-rw-r--r--tests/mir-opt/const_prop/transmute.unreachable_direct.GVN.32bit.diff2
-rw-r--r--tests/mir-opt/const_prop/transmute.unreachable_direct.GVN.64bit.diff2
-rw-r--r--tests/mir-opt/const_prop/transmute.unreachable_mut.GVN.32bit.diff2
-rw-r--r--tests/mir-opt/const_prop/transmute.unreachable_mut.GVN.64bit.diff2
-rw-r--r--tests/mir-opt/const_prop/transmute.unreachable_ref.GVN.32bit.diff2
-rw-r--r--tests/mir-opt/const_prop/transmute.unreachable_ref.GVN.64bit.diff2
-rw-r--r--tests/mir-opt/const_prop/transmute.valid_char.GVN.32bit.diff2
-rw-r--r--tests/mir-opt/const_prop/transmute.valid_char.GVN.64bit.diff2
-rw-r--r--tests/mir-opt/copy-prop/reborrow.demiraw.CopyProp.panic-abort.diff4
-rw-r--r--tests/mir-opt/copy-prop/reborrow.demiraw.CopyProp.panic-unwind.diff4
-rw-r--r--tests/mir-opt/copy-prop/reborrow.miraw.CopyProp.panic-abort.diff4
-rw-r--r--tests/mir-opt/copy-prop/reborrow.miraw.CopyProp.panic-unwind.diff4
-rw-r--r--tests/mir-opt/dataflow-const-prop/default_boxed_slice.main.DataflowConstProp.32bit.panic-abort.diff38
-rw-r--r--tests/mir-opt/dataflow-const-prop/default_boxed_slice.main.DataflowConstProp.32bit.panic-unwind.diff38
-rw-r--r--tests/mir-opt/dataflow-const-prop/default_boxed_slice.main.DataflowConstProp.64bit.panic-abort.diff38
-rw-r--r--tests/mir-opt/dataflow-const-prop/default_boxed_slice.main.DataflowConstProp.64bit.panic-unwind.diff38
-rw-r--r--tests/mir-opt/dataflow-const-prop/default_boxed_slice.main.GVN.32bit.panic-abort.diff38
-rw-r--r--tests/mir-opt/dataflow-const-prop/default_boxed_slice.main.GVN.32bit.panic-unwind.diff38
-rw-r--r--tests/mir-opt/dataflow-const-prop/default_boxed_slice.main.GVN.64bit.panic-abort.diff38
-rw-r--r--tests/mir-opt/dataflow-const-prop/default_boxed_slice.main.GVN.64bit.panic-unwind.diff38
-rw-r--r--tests/mir-opt/dataflow-const-prop/sibling_ptr.main.DataflowConstProp.panic-abort.diff8
-rw-r--r--tests/mir-opt/dataflow-const-prop/sibling_ptr.main.DataflowConstProp.panic-unwind.diff8
-rw-r--r--tests/mir-opt/dataflow-const-prop/transmute.from_char.DataflowConstProp.32bit.diff2
-rw-r--r--tests/mir-opt/dataflow-const-prop/transmute.from_char.DataflowConstProp.64bit.diff2
-rw-r--r--tests/mir-opt/dataflow-const-prop/transmute.invalid_bool.DataflowConstProp.32bit.diff2
-rw-r--r--tests/mir-opt/dataflow-const-prop/transmute.invalid_bool.DataflowConstProp.64bit.diff2
-rw-r--r--tests/mir-opt/dataflow-const-prop/transmute.invalid_char.DataflowConstProp.32bit.diff2
-rw-r--r--tests/mir-opt/dataflow-const-prop/transmute.invalid_char.DataflowConstProp.64bit.diff2
-rw-r--r--tests/mir-opt/dataflow-const-prop/transmute.less_as_i8.DataflowConstProp.32bit.diff2
-rw-r--r--tests/mir-opt/dataflow-const-prop/transmute.less_as_i8.DataflowConstProp.64bit.diff2
-rw-r--r--tests/mir-opt/dataflow-const-prop/transmute.undef_union_as_integer.DataflowConstProp.32bit.diff2
-rw-r--r--tests/mir-opt/dataflow-const-prop/transmute.undef_union_as_integer.DataflowConstProp.64bit.diff2
-rw-r--r--tests/mir-opt/dataflow-const-prop/transmute.unreachable_box.DataflowConstProp.32bit.diff2
-rw-r--r--tests/mir-opt/dataflow-const-prop/transmute.unreachable_box.DataflowConstProp.64bit.diff2
-rw-r--r--tests/mir-opt/dataflow-const-prop/transmute.unreachable_direct.DataflowConstProp.32bit.diff2
-rw-r--r--tests/mir-opt/dataflow-const-prop/transmute.unreachable_direct.DataflowConstProp.64bit.diff2
-rw-r--r--tests/mir-opt/dataflow-const-prop/transmute.unreachable_mut.DataflowConstProp.32bit.diff2
-rw-r--r--tests/mir-opt/dataflow-const-prop/transmute.unreachable_mut.DataflowConstProp.64bit.diff2
-rw-r--r--tests/mir-opt/dataflow-const-prop/transmute.unreachable_ref.DataflowConstProp.32bit.diff2
-rw-r--r--tests/mir-opt/dataflow-const-prop/transmute.unreachable_ref.DataflowConstProp.64bit.diff2
-rw-r--r--tests/mir-opt/dataflow-const-prop/transmute.valid_char.DataflowConstProp.32bit.diff2
-rw-r--r--tests/mir-opt/dataflow-const-prop/transmute.valid_char.DataflowConstProp.64bit.diff2
-rw-r--r--tests/mir-opt/dest-prop/union.main.DestinationPropagation.panic-abort.diff6
-rw-r--r--tests/mir-opt/dest-prop/union.main.DestinationPropagation.panic-unwind.diff6
-rw-r--r--tests/mir-opt/gvn.dereferences.GVN.panic-abort.diff10
-rw-r--r--tests/mir-opt/gvn.dereferences.GVN.panic-unwind.diff10
-rw-r--r--tests/mir-opt/gvn.slices.GVN.panic-abort.diff6
-rw-r--r--tests/mir-opt/gvn.slices.GVN.panic-unwind.diff6
-rw-r--r--tests/mir-opt/gvn.subexpression_elimination.GVN.panic-abort.diff12
-rw-r--r--tests/mir-opt/gvn.subexpression_elimination.GVN.panic-unwind.diff12
-rw-r--r--tests/mir-opt/gvn.wide_ptr_integer.GVN.panic-abort.diff6
-rw-r--r--tests/mir-opt/gvn.wide_ptr_integer.GVN.panic-unwind.diff6
-rw-r--r--tests/mir-opt/gvn_uninhabited.f.GVN.panic-abort.diff4
-rw-r--r--tests/mir-opt/gvn_uninhabited.f.GVN.panic-unwind.diff4
-rw-r--r--tests/mir-opt/inline/asm_unwind.main.Inline.panic-unwind.diff2
-rw-r--r--tests/mir-opt/inline/inline_coroutine.main.Inline.panic-abort.diff8
-rw-r--r--tests/mir-opt/inline/inline_coroutine.main.Inline.panic-unwind.diff8
-rw-r--r--tests/mir-opt/inline/inline_instruction_set.default.Inline.diff2
-rw-r--r--tests/mir-opt/inline/inline_shims.drop.Inline.panic-abort.diff20
-rw-r--r--tests/mir-opt/inline/inline_shims.drop.Inline.panic-unwind.diff12
-rw-r--r--tests/mir-opt/inline/unchecked_shifts.unchecked_shl_unsigned_smaller.Inline.panic-abort.diff2
-rw-r--r--tests/mir-opt/inline/unchecked_shifts.unchecked_shl_unsigned_smaller.Inline.panic-unwind.diff2
-rw-r--r--tests/mir-opt/inline/unchecked_shifts.unchecked_shl_unsigned_smaller.PreCodegen.after.panic-abort.mir2
-rw-r--r--tests/mir-opt/inline/unchecked_shifts.unchecked_shl_unsigned_smaller.PreCodegen.after.panic-unwind.mir2
-rw-r--r--tests/mir-opt/inline/unchecked_shifts.unchecked_shr_signed_bigger.Inline.panic-abort.diff2
-rw-r--r--tests/mir-opt/inline/unchecked_shifts.unchecked_shr_signed_bigger.Inline.panic-unwind.diff2
-rw-r--r--tests/mir-opt/inline/unchecked_shifts.unchecked_shr_signed_bigger.PreCodegen.after.panic-abort.mir2
-rw-r--r--tests/mir-opt/inline/unchecked_shifts.unchecked_shr_signed_bigger.PreCodegen.after.panic-unwind.mir2
-rw-r--r--tests/mir-opt/inline/unwrap_unchecked.unwrap_unchecked.Inline.panic-abort.diff14
-rw-r--r--tests/mir-opt/inline/unwrap_unchecked.unwrap_unchecked.Inline.panic-unwind.diff14
-rw-r--r--tests/mir-opt/inline/unwrap_unchecked.unwrap_unchecked.PreCodegen.after.panic-abort.mir10
-rw-r--r--tests/mir-opt/inline/unwrap_unchecked.unwrap_unchecked.PreCodegen.after.panic-unwind.mir10
-rw-r--r--tests/mir-opt/inline_coroutine_body.run2-{closure#0}.Inline.panic-abort.diff24
-rw-r--r--tests/mir-opt/inline_coroutine_body.run2-{closure#0}.Inline.panic-unwind.diff24
-rw-r--r--tests/mir-opt/instsimplify/ub_check.unwrap_unchecked.InstSimplify.diff28
-rw-r--r--tests/mir-opt/issue_104451_unwindable_intrinsics.main.AbortUnwindingCalls.after.panic-abort.mir2
-rw-r--r--tests/mir-opt/issue_104451_unwindable_intrinsics.main.AbortUnwindingCalls.after.panic-unwind.mir2
-rw-r--r--tests/mir-opt/issue_62289.test.ElaborateDrops.before.panic-abort.mir8
-rw-r--r--tests/mir-opt/issue_62289.test.ElaborateDrops.before.panic-unwind.mir8
-rw-r--r--tests/mir-opt/issue_72181.main.built.after.mir2
-rw-r--r--tests/mir-opt/issue_72181_1.main.built.after.mir2
-rw-r--r--tests/mir-opt/issues/issue_75439.foo.MatchBranchSimplification.diff6
-rw-r--r--tests/mir-opt/jump_threading.mutable_ref.JumpThreading.panic-abort.diff2
-rw-r--r--tests/mir-opt/jump_threading.mutable_ref.JumpThreading.panic-unwind.diff2
-rw-r--r--tests/mir-opt/lower_array_len.array_len_raw.NormalizeArrayLen.panic-abort.diff2
-rw-r--r--tests/mir-opt/lower_array_len.array_len_raw.NormalizeArrayLen.panic-unwind.diff2
-rw-r--r--tests/mir-opt/lower_intrinsics.assume.LowerIntrinsics.panic-abort.diff2
-rw-r--r--tests/mir-opt/lower_intrinsics.assume.LowerIntrinsics.panic-unwind.diff2
-rw-r--r--tests/mir-opt/lower_intrinsics.f_copy_nonoverlapping.LowerIntrinsics.panic-abort.diff2
-rw-r--r--tests/mir-opt/lower_intrinsics.f_copy_nonoverlapping.LowerIntrinsics.panic-unwind.diff2
-rw-r--r--tests/mir-opt/lower_intrinsics.read_via_copy_primitive.LowerIntrinsics.panic-abort.diff2
-rw-r--r--tests/mir-opt/lower_intrinsics.read_via_copy_primitive.LowerIntrinsics.panic-unwind.diff2
-rw-r--r--tests/mir-opt/lower_intrinsics.read_via_copy_uninhabited.LowerIntrinsics.panic-abort.diff2
-rw-r--r--tests/mir-opt/lower_intrinsics.read_via_copy_uninhabited.LowerIntrinsics.panic-unwind.diff2
-rw-r--r--tests/mir-opt/lower_intrinsics.transmute_inhabited.LowerIntrinsics.panic-abort.diff2
-rw-r--r--tests/mir-opt/lower_intrinsics.transmute_inhabited.LowerIntrinsics.panic-unwind.diff2
-rw-r--r--tests/mir-opt/lower_intrinsics.transmute_ref_dst.LowerIntrinsics.panic-abort.diff2
-rw-r--r--tests/mir-opt/lower_intrinsics.transmute_ref_dst.LowerIntrinsics.panic-unwind.diff2
-rw-r--r--tests/mir-opt/lower_intrinsics.transmute_uninhabited.LowerIntrinsics.panic-abort.diff2
-rw-r--r--tests/mir-opt/lower_intrinsics.transmute_uninhabited.LowerIntrinsics.panic-unwind.diff2
-rw-r--r--tests/mir-opt/lower_intrinsics.unreachable.LowerIntrinsics.panic-abort.diff2
-rw-r--r--tests/mir-opt/lower_intrinsics.unreachable.LowerIntrinsics.panic-unwind.diff2
-rw-r--r--tests/mir-opt/lower_intrinsics.write_via_move_string.LowerIntrinsics.panic-abort.diff2
-rw-r--r--tests/mir-opt/lower_intrinsics.write_via_move_string.LowerIntrinsics.panic-unwind.diff2
-rw-r--r--tests/mir-opt/pre-codegen/checked_ops.checked_shl.PreCodegen.after.mir10
-rw-r--r--tests/mir-opt/pre-codegen/duplicate_switch_targets.ub_if_b.PreCodegen.after.mir6
-rw-r--r--tests/mir-opt/pre-codegen/loops.int_range.PreCodegen.after.mir4
-rw-r--r--tests/mir-opt/pre-codegen/mem_replace.mem_replace.PreCodegen.after.panic-abort.mir20
-rw-r--r--tests/mir-opt/pre-codegen/mem_replace.mem_replace.PreCodegen.after.panic-unwind.mir20
-rw-r--r--tests/mir-opt/pre-codegen/range_iter.forward_loop.PreCodegen.after.panic-abort.mir4
-rw-r--r--tests/mir-opt/pre-codegen/range_iter.forward_loop.PreCodegen.after.panic-unwind.mir4
-rw-r--r--tests/mir-opt/pre-codegen/range_iter.range_iter_next.PreCodegen.after.panic-abort.mir4
-rw-r--r--tests/mir-opt/pre-codegen/range_iter.range_iter_next.PreCodegen.after.panic-unwind.mir4
-rw-r--r--tests/mir-opt/pre-codegen/slice_index.slice_get_unchecked_mut_range.PreCodegen.after.panic-abort.mir2
-rw-r--r--tests/mir-opt/pre-codegen/slice_index.slice_get_unchecked_mut_range.PreCodegen.after.panic-unwind.mir2
-rw-r--r--tests/mir-opt/pre-codegen/slice_iter.enumerated_loop.PreCodegen.after.panic-abort.mir48
-rw-r--r--tests/mir-opt/pre-codegen/slice_iter.enumerated_loop.PreCodegen.after.panic-unwind.mir48
-rw-r--r--tests/mir-opt/pre-codegen/slice_iter.forward_loop.PreCodegen.after.panic-abort.mir44
-rw-r--r--tests/mir-opt/pre-codegen/slice_iter.forward_loop.PreCodegen.after.panic-unwind.mir44
-rw-r--r--tests/mir-opt/pre-codegen/slice_iter.range_loop.PreCodegen.after.panic-abort.mir4
-rw-r--r--tests/mir-opt/pre-codegen/slice_iter.range_loop.PreCodegen.after.panic-unwind.mir4
-rw-r--r--tests/mir-opt/pre-codegen/slice_iter.reverse_loop.PreCodegen.after.panic-abort.mir50
-rw-r--r--tests/mir-opt/pre-codegen/slice_iter.reverse_loop.PreCodegen.after.panic-unwind.mir50
-rw-r--r--tests/mir-opt/reference_prop.mut_raw_then_mut_shr.ReferencePropagation.diff2
-rw-r--r--tests/mir-opt/reference_prop.reference_propagation_const_ptr.ReferencePropagation.diff258
-rw-r--r--tests/mir-opt/reference_prop.reference_propagation_mut_ptr.ReferencePropagation.diff232
-rw-r--r--tests/mir-opt/reference_prop.unique_with_copies.ReferencePropagation.diff4
-rw-r--r--tests/mir-opt/retag.array_casts.SimplifyCfg-pre-optimizations.after.panic-abort.mir10
-rw-r--r--tests/mir-opt/retag.array_casts.SimplifyCfg-pre-optimizations.after.panic-unwind.mir10
-rw-r--r--tests/mir-opt/simplify_locals.t1.SimplifyLocals-before-const-prop.diff2
-rw-r--r--tests/mir-opt/simplify_locals.t2.SimplifyLocals-before-const-prop.diff2
-rw-r--r--tests/mir-opt/simplify_locals.t3.SimplifyLocals-before-const-prop.diff2
-rw-r--r--tests/mir-opt/simplify_locals.t4.SimplifyLocals-before-const-prop.diff2
-rw-r--r--tests/mir-opt/sroa/structs.unions.ScalarReplacementOfAggregates.diff2
-rw-r--r--tests/mir-opt/tls_access.main.PreCodegen.after.mir6
-rw-r--r--tests/mir-opt/uninhabited_enum.process_never.SimplifyLocals-final.after.mir2
-rw-r--r--tests/mir-opt/uninhabited_enum.process_void.SimplifyLocals-final.after.mir2
-rw-r--r--tests/mir-opt/unnamed-fields/field_access.bar.SimplifyCfg-initial.after.mir2
-rw-r--r--tests/ui/asm/x86_64/goto.rs2
-rw-r--r--tests/ui/asm/x86_64/goto.stderr (renamed from tests/ui/asm/x86_64/goto.mirunsafeck.stderr)4
-rw-r--r--tests/ui/asm/x86_64/goto.thirunsafeck.stderr23
174 files changed, 631 insertions, 1180 deletions
diff --git a/tests/incremental/hashes/function_interfaces.rs b/tests/incremental/hashes/function_interfaces.rs
index 4fa2762099c..ab4d578458d 100644
--- a/tests/incremental/hashes/function_interfaces.rs
+++ b/tests/incremental/hashes/function_interfaces.rs
@@ -104,17 +104,17 @@ pub fn order_of_parameters(p2: i64, p1: i32) {}
 // Unsafe ----------------------------------------------------------------------
 
 #[cfg(any(cfail1,cfail4))]
-pub fn make_unsafe() {}
+pub        fn make_unsafe() {}
 
 #[cfg(not(any(cfail1,cfail4)))]
 #[rustc_clean(
     cfg = "cfail2",
-    except = "opt_hir_owner_nodes, optimized_mir, typeck, fn_sig"
+    except = "opt_hir_owner_nodes, typeck, fn_sig"
 )]
 #[rustc_clean(cfg = "cfail3")]
 #[rustc_clean(
     cfg = "cfail5",
-    except = "opt_hir_owner_nodes, optimized_mir, typeck, fn_sig"
+    except = "opt_hir_owner_nodes, typeck, fn_sig"
 )]
 #[rustc_clean(cfg = "cfail6")]
 pub unsafe fn make_unsafe() {}
diff --git a/tests/incremental/hashes/inherent_impls.rs b/tests/incremental/hashes/inherent_impls.rs
index 2b0de1edc0c..caea394977a 100644
--- a/tests/incremental/hashes/inherent_impls.rs
+++ b/tests/incremental/hashes/inherent_impls.rs
@@ -348,9 +348,9 @@ impl Foo {
 // Make method unsafe ----------------------------------------------------------
 #[cfg(any(cfail1,cfail4))]
 impl Foo {
-    //------------------------------------------------------------------------------------
+    //----------------------------------------------------------------------
     //--------------------------
-    //------------------------------------------------------------------------------------
+    //----------------------------------------------------------------------
     //--------------------------
     pub        fn make_method_unsafe(&self) { }
 }
@@ -361,9 +361,9 @@ impl Foo {
 #[rustc_clean(cfg="cfail5")]
 #[rustc_clean(cfg="cfail6")]
 impl Foo {
-    #[rustc_clean(cfg="cfail2", except="opt_hir_owner_nodes,fn_sig,typeck,optimized_mir")]
+    #[rustc_clean(cfg="cfail2", except="opt_hir_owner_nodes,fn_sig,typeck")]
     #[rustc_clean(cfg="cfail3")]
-    #[rustc_clean(cfg="cfail5", except="opt_hir_owner_nodes,fn_sig,typeck,optimized_mir")]
+    #[rustc_clean(cfg="cfail5", except="opt_hir_owner_nodes,fn_sig,typeck")]
     #[rustc_clean(cfg="cfail6")]
     pub unsafe fn make_method_unsafe(&self) { }
 }
diff --git a/tests/mir-opt/array_index_is_temporary.main.SimplifyCfg-pre-optimizations.after.panic-abort.mir b/tests/mir-opt/array_index_is_temporary.main.SimplifyCfg-pre-optimizations.after.panic-abort.mir
index 3b7c4b8796e..ef51b07827f 100644
--- a/tests/mir-opt/array_index_is_temporary.main.SimplifyCfg-pre-optimizations.after.panic-abort.mir
+++ b/tests/mir-opt/array_index_is_temporary.main.SimplifyCfg-pre-optimizations.after.panic-abort.mir
@@ -17,8 +17,6 @@ fn main() -> () {
             let _3: *mut usize;
             scope 3 {
                 debug z => _3;
-                scope 4 {
-                }
             }
         }
     }
diff --git a/tests/mir-opt/array_index_is_temporary.main.SimplifyCfg-pre-optimizations.after.panic-unwind.mir b/tests/mir-opt/array_index_is_temporary.main.SimplifyCfg-pre-optimizations.after.panic-unwind.mir
index 3dcddea0353..d1aa9382a2c 100644
--- a/tests/mir-opt/array_index_is_temporary.main.SimplifyCfg-pre-optimizations.after.panic-unwind.mir
+++ b/tests/mir-opt/array_index_is_temporary.main.SimplifyCfg-pre-optimizations.after.panic-unwind.mir
@@ -17,8 +17,6 @@ fn main() -> () {
             let _3: *mut usize;
             scope 3 {
                 debug z => _3;
-                scope 4 {
-                }
             }
         }
     }
diff --git a/tests/mir-opt/asm_unwind_panic_abort.main.AbortUnwindingCalls.after.mir b/tests/mir-opt/asm_unwind_panic_abort.main.AbortUnwindingCalls.after.mir
index 6c3128f8c36..005b3ee3b24 100644
--- a/tests/mir-opt/asm_unwind_panic_abort.main.AbortUnwindingCalls.after.mir
+++ b/tests/mir-opt/asm_unwind_panic_abort.main.AbortUnwindingCalls.after.mir
@@ -3,8 +3,6 @@
 fn main() -> () {
     let mut _0: ();
     let _1: ();
-    scope 1 {
-    }
 
     bb0: {
         StorageLive(_1);
diff --git a/tests/mir-opt/box_expr.main.ElaborateDrops.diff b/tests/mir-opt/box_expr.main.ElaborateDrops.diff
index 88b12f19e64..ec40fac2894 100644
--- a/tests/mir-opt/box_expr.main.ElaborateDrops.diff
+++ b/tests/mir-opt/box_expr.main.ElaborateDrops.diff
@@ -15,8 +15,6 @@
       scope 1 {
           debug x => _1;
       }
-      scope 2 {
-      }
   
       bb0: {
           StorageLive(_1);
diff --git a/tests/mir-opt/building/async_await.b-{closure#0}.coroutine_resume.0.mir b/tests/mir-opt/building/async_await.b-{closure#0}.coroutine_resume.0.mir
index d697ea49231..d2a0fb0cb3c 100644
--- a/tests/mir-opt/building/async_await.b-{closure#0}.coroutine_resume.0.mir
+++ b/tests/mir-opt/building/async_await.b-{closure#0}.coroutine_resume.0.mir
@@ -93,17 +93,13 @@ fn b::{closure#0}(_1: Pin<&mut {async fn body of b()}>, _2: &mut Context<'_>) ->
         debug __awaitee => (((*(_1.0: &mut {async fn body of b()})) as variant#3).0: {async fn body of a()});
         let _17: ();
         scope 2 {
-        }
-        scope 3 {
             debug result => _17;
         }
     }
-    scope 4 {
+    scope 3 {
         debug __awaitee => (((*(_1.0: &mut {async fn body of b()})) as variant#4).0: {async fn body of a()});
         let _33: ();
-        scope 5 {
-        }
-        scope 6 {
+        scope 4 {
             debug result => _33;
         }
     }
diff --git a/tests/mir-opt/building/uniform_array_move_out.move_out_by_subslice.built.after.mir b/tests/mir-opt/building/uniform_array_move_out.move_out_by_subslice.built.after.mir
index 128af9c5602..db758368a13 100644
--- a/tests/mir-opt/building/uniform_array_move_out.move_out_by_subslice.built.after.mir
+++ b/tests/mir-opt/building/uniform_array_move_out.move_out_by_subslice.built.after.mir
@@ -16,14 +16,10 @@ fn move_out_by_subslice() -> () {
     scope 1 {
         debug a => _1;
         let _12: [std::boxed::Box<i32>; 2];
-        scope 4 {
+        scope 2 {
             debug _y => _12;
         }
     }
-    scope 2 {
-    }
-    scope 3 {
-    }
 
     bb0: {
         StorageLive(_1);
diff --git a/tests/mir-opt/building/uniform_array_move_out.move_out_from_end.built.after.mir b/tests/mir-opt/building/uniform_array_move_out.move_out_from_end.built.after.mir
index d50a6872a41..84cd557715c 100644
--- a/tests/mir-opt/building/uniform_array_move_out.move_out_from_end.built.after.mir
+++ b/tests/mir-opt/building/uniform_array_move_out.move_out_from_end.built.after.mir
@@ -16,14 +16,10 @@ fn move_out_from_end() -> () {
     scope 1 {
         debug a => _1;
         let _12: std::boxed::Box<i32>;
-        scope 4 {
+        scope 2 {
             debug _y => _12;
         }
     }
-    scope 2 {
-    }
-    scope 3 {
-    }
 
     bb0: {
         StorageLive(_1);
diff --git a/tests/mir-opt/const_promotion_extern_static.FOO.PromoteTemps.diff b/tests/mir-opt/const_promotion_extern_static.FOO.PromoteTemps.diff
index 3596671f614..bfefd2b8c95 100644
--- a/tests/mir-opt/const_promotion_extern_static.FOO.PromoteTemps.diff
+++ b/tests/mir-opt/const_promotion_extern_static.FOO.PromoteTemps.diff
@@ -9,8 +9,6 @@
       let mut _4: &i32;
       let _5: *const i32;
 +     let mut _6: &[&i32; 1];
-      scope 1 {
-      }
   
       bb0: {
           StorageLive(_1);
diff --git a/tests/mir-opt/const_prop/address_of_pair.fn0.GVN.diff b/tests/mir-opt/const_prop/address_of_pair.fn0.GVN.diff
index a044cfc62e2..3f4958f60e8 100644
--- a/tests/mir-opt/const_prop/address_of_pair.fn0.GVN.diff
+++ b/tests/mir-opt/const_prop/address_of_pair.fn0.GVN.diff
@@ -14,8 +14,6 @@
               debug ptr => _3;
               let _5: bool;
               scope 3 {
-              }
-              scope 4 {
                   debug ret => _5;
               }
           }
diff --git a/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.GVN.32bit.panic-abort.diff b/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.GVN.32bit.panic-abort.diff
index 20fda589c39..826f4c34277 100644
--- a/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.GVN.32bit.panic-abort.diff
+++ b/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.GVN.32bit.panic-abort.diff
@@ -13,11 +13,9 @@
       let mut _9: &[i32; 3];
       scope 1 {
           debug a => _1;
+          let _5: i32;
           scope 2 {
-              let _5: i32;
-              scope 3 {
-                  debug _b => _5;
-              }
+              debug _b => _5;
           }
       }
   
diff --git a/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.GVN.32bit.panic-unwind.diff b/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.GVN.32bit.panic-unwind.diff
index f1b90c28e72..0e2ec65652f 100644
--- a/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.GVN.32bit.panic-unwind.diff
+++ b/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.GVN.32bit.panic-unwind.diff
@@ -13,11 +13,9 @@
       let mut _9: &[i32; 3];
       scope 1 {
           debug a => _1;
+          let _5: i32;
           scope 2 {
-              let _5: i32;
-              scope 3 {
-                  debug _b => _5;
-              }
+              debug _b => _5;
           }
       }
   
diff --git a/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.GVN.64bit.panic-abort.diff b/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.GVN.64bit.panic-abort.diff
index 20fda589c39..826f4c34277 100644
--- a/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.GVN.64bit.panic-abort.diff
+++ b/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.GVN.64bit.panic-abort.diff
@@ -13,11 +13,9 @@
       let mut _9: &[i32; 3];
       scope 1 {
           debug a => _1;
+          let _5: i32;
           scope 2 {
-              let _5: i32;
-              scope 3 {
-                  debug _b => _5;
-              }
+              debug _b => _5;
           }
       }
   
diff --git a/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.GVN.64bit.panic-unwind.diff b/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.GVN.64bit.panic-unwind.diff
index f1b90c28e72..0e2ec65652f 100644
--- a/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.GVN.64bit.panic-unwind.diff
+++ b/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.GVN.64bit.panic-unwind.diff
@@ -13,11 +13,9 @@
       let mut _9: &[i32; 3];
       scope 1 {
           debug a => _1;
+          let _5: i32;
           scope 2 {
-              let _5: i32;
-              scope 3 {
-                  debug _b => _5;
-              }
+              debug _b => _5;
           }
       }
   
diff --git a/tests/mir-opt/const_prop/boxes.main.GVN.panic-abort.diff b/tests/mir-opt/const_prop/boxes.main.GVN.panic-abort.diff
index 59ee38f5a2b..a408c197fd1 100644
--- a/tests/mir-opt/const_prop/boxes.main.GVN.panic-abort.diff
+++ b/tests/mir-opt/const_prop/boxes.main.GVN.panic-abort.diff
@@ -15,8 +15,6 @@
       scope 1 {
           debug x => _1;
       }
-      scope 2 {
-      }
   
       bb0: {
           StorageLive(_1);
diff --git a/tests/mir-opt/const_prop/boxes.main.GVN.panic-unwind.diff b/tests/mir-opt/const_prop/boxes.main.GVN.panic-unwind.diff
index 9d87bd809d1..5706a739602 100644
--- a/tests/mir-opt/const_prop/boxes.main.GVN.panic-unwind.diff
+++ b/tests/mir-opt/const_prop/boxes.main.GVN.panic-unwind.diff
@@ -15,8 +15,6 @@
       scope 1 {
           debug x => _1;
       }
-      scope 2 {
-      }
   
       bb0: {
           StorageLive(_1);
diff --git a/tests/mir-opt/const_prop/indirect_mutation.bar.GVN.diff b/tests/mir-opt/const_prop/indirect_mutation.bar.GVN.diff
index b389080c497..99a6ba7d08a 100644
--- a/tests/mir-opt/const_prop/indirect_mutation.bar.GVN.diff
+++ b/tests/mir-opt/const_prop/indirect_mutation.bar.GVN.diff
@@ -11,8 +11,6 @@
           debug v => _1;
           let _4: bool;
           scope 2 {
-          }
-          scope 3 {
               debug y => _4;
           }
       }
diff --git a/tests/mir-opt/const_prop/invalid_constant.main.GVN.diff b/tests/mir-opt/const_prop/invalid_constant.main.GVN.diff
index da5bf1cf42c..f5041365604 100644
--- a/tests/mir-opt/const_prop/invalid_constant.main.GVN.diff
+++ b/tests/mir-opt/const_prop/invalid_constant.main.GVN.diff
@@ -12,24 +12,18 @@
       scope 1 {
           debug _invalid_char => _1;
           let _3: [E; 1];
-          scope 3 {
+          scope 2 {
               debug _invalid_tag => _3;
               let _6: [Empty; 1];
-              scope 5 {
+              scope 3 {
                   debug _enum_without_variants => const [ZeroSized: Empty];
                   let _9: main::Str<"���">;
-                  scope 7 {
+                  scope 4 {
                       debug _non_utf8_str => const Str::<"���">;
                   }
               }
-              scope 6 {
-              }
-          }
-          scope 4 {
           }
       }
-      scope 2 {
-      }
   
       bb0: {
           StorageLive(_1);
diff --git a/tests/mir-opt/const_prop/invalid_constant.main.RemoveZsts.diff b/tests/mir-opt/const_prop/invalid_constant.main.RemoveZsts.diff
index 455c2375eff..6e5ad8d6b81 100644
--- a/tests/mir-opt/const_prop/invalid_constant.main.RemoveZsts.diff
+++ b/tests/mir-opt/const_prop/invalid_constant.main.RemoveZsts.diff
@@ -12,26 +12,20 @@
       scope 1 {
           debug _invalid_char => _1;
           let _3: [E; 1];
-          scope 3 {
+          scope 2 {
               debug _invalid_tag => _3;
               let _6: [Empty; 1];
-              scope 5 {
+              scope 3 {
 -                 debug _enum_without_variants => _6;
 +                 debug _enum_without_variants => const [ZeroSized: Empty];
                   let _9: main::Str<"���">;
-                  scope 7 {
+                  scope 4 {
 -                     debug _non_utf8_str => _9;
 +                     debug _non_utf8_str => const Str::<"���">;
                   }
               }
-              scope 6 {
-              }
-          }
-          scope 4 {
           }
       }
-      scope 2 {
-      }
   
       bb0: {
           StorageLive(_1);
diff --git a/tests/mir-opt/const_prop/mutable_variable_no_prop.main.GVN.diff b/tests/mir-opt/const_prop/mutable_variable_no_prop.main.GVN.diff
index e113f43a56e..31c839f6749 100644
--- a/tests/mir-opt/const_prop/mutable_variable_no_prop.main.GVN.diff
+++ b/tests/mir-opt/const_prop/mutable_variable_no_prop.main.GVN.diff
@@ -11,8 +11,6 @@
           debug x => _1;
           let _5: u32;
           scope 2 {
-          }
-          scope 3 {
               debug y => _5;
           }
       }
diff --git a/tests/mir-opt/const_prop/transmute.from_char.GVN.32bit.diff b/tests/mir-opt/const_prop/transmute.from_char.GVN.32bit.diff
index 47dfb421ebc..2b38e88ae4c 100644
--- a/tests/mir-opt/const_prop/transmute.from_char.GVN.32bit.diff
+++ b/tests/mir-opt/const_prop/transmute.from_char.GVN.32bit.diff
@@ -3,8 +3,6 @@
   
   fn from_char() -> i32 {
       let mut _0: i32;
-      scope 1 {
-      }
   
       bb0: {
 -         _0 = const 'R' as i32 (Transmute);
diff --git a/tests/mir-opt/const_prop/transmute.from_char.GVN.64bit.diff b/tests/mir-opt/const_prop/transmute.from_char.GVN.64bit.diff
index 47dfb421ebc..2b38e88ae4c 100644
--- a/tests/mir-opt/const_prop/transmute.from_char.GVN.64bit.diff
+++ b/tests/mir-opt/const_prop/transmute.from_char.GVN.64bit.diff
@@ -3,8 +3,6 @@
   
   fn from_char() -> i32 {
       let mut _0: i32;
-      scope 1 {
-      }
   
       bb0: {
 -         _0 = const 'R' as i32 (Transmute);
diff --git a/tests/mir-opt/const_prop/transmute.invalid_bool.GVN.32bit.diff b/tests/mir-opt/const_prop/transmute.invalid_bool.GVN.32bit.diff
index f0c6f55f775..45c48e9046e 100644
--- a/tests/mir-opt/const_prop/transmute.invalid_bool.GVN.32bit.diff
+++ b/tests/mir-opt/const_prop/transmute.invalid_bool.GVN.32bit.diff
@@ -3,8 +3,6 @@
   
   fn invalid_bool() -> bool {
       let mut _0: bool;
-      scope 1 {
-      }
   
       bb0: {
 -         _0 = const -1_i8 as bool (Transmute);
diff --git a/tests/mir-opt/const_prop/transmute.invalid_bool.GVN.64bit.diff b/tests/mir-opt/const_prop/transmute.invalid_bool.GVN.64bit.diff
index f0c6f55f775..45c48e9046e 100644
--- a/tests/mir-opt/const_prop/transmute.invalid_bool.GVN.64bit.diff
+++ b/tests/mir-opt/const_prop/transmute.invalid_bool.GVN.64bit.diff
@@ -3,8 +3,6 @@
   
   fn invalid_bool() -> bool {
       let mut _0: bool;
-      scope 1 {
-      }
   
       bb0: {
 -         _0 = const -1_i8 as bool (Transmute);
diff --git a/tests/mir-opt/const_prop/transmute.invalid_char.GVN.32bit.diff b/tests/mir-opt/const_prop/transmute.invalid_char.GVN.32bit.diff
index 03a7706401f..b4fe64d0aff 100644
--- a/tests/mir-opt/const_prop/transmute.invalid_char.GVN.32bit.diff
+++ b/tests/mir-opt/const_prop/transmute.invalid_char.GVN.32bit.diff
@@ -3,8 +3,6 @@
   
   fn invalid_char() -> char {
       let mut _0: char;
-      scope 1 {
-      }
   
       bb0: {
 -         _0 = const core::num::<impl i32>::MAX as char (Transmute);
diff --git a/tests/mir-opt/const_prop/transmute.invalid_char.GVN.64bit.diff b/tests/mir-opt/const_prop/transmute.invalid_char.GVN.64bit.diff
index 03a7706401f..b4fe64d0aff 100644
--- a/tests/mir-opt/const_prop/transmute.invalid_char.GVN.64bit.diff
+++ b/tests/mir-opt/const_prop/transmute.invalid_char.GVN.64bit.diff
@@ -3,8 +3,6 @@
   
   fn invalid_char() -> char {
       let mut _0: char;
-      scope 1 {
-      }
   
       bb0: {
 -         _0 = const core::num::<impl i32>::MAX as char (Transmute);
diff --git a/tests/mir-opt/const_prop/transmute.less_as_i8.GVN.32bit.diff b/tests/mir-opt/const_prop/transmute.less_as_i8.GVN.32bit.diff
index 5e0c076b981..ab3481a3be5 100644
--- a/tests/mir-opt/const_prop/transmute.less_as_i8.GVN.32bit.diff
+++ b/tests/mir-opt/const_prop/transmute.less_as_i8.GVN.32bit.diff
@@ -4,8 +4,6 @@
   fn less_as_i8() -> i8 {
       let mut _0: i8;
       let mut _1: std::cmp::Ordering;
-      scope 1 {
-      }
   
       bb0: {
           StorageLive(_1);
diff --git a/tests/mir-opt/const_prop/transmute.less_as_i8.GVN.64bit.diff b/tests/mir-opt/const_prop/transmute.less_as_i8.GVN.64bit.diff
index 5e0c076b981..ab3481a3be5 100644
--- a/tests/mir-opt/const_prop/transmute.less_as_i8.GVN.64bit.diff
+++ b/tests/mir-opt/const_prop/transmute.less_as_i8.GVN.64bit.diff
@@ -4,8 +4,6 @@
   fn less_as_i8() -> i8 {
       let mut _0: i8;
       let mut _1: std::cmp::Ordering;
-      scope 1 {
-      }
   
       bb0: {
           StorageLive(_1);
diff --git a/tests/mir-opt/const_prop/transmute.undef_union_as_integer.GVN.32bit.diff b/tests/mir-opt/const_prop/transmute.undef_union_as_integer.GVN.32bit.diff
index c6a428019d8..febb6bfb0a4 100644
--- a/tests/mir-opt/const_prop/transmute.undef_union_as_integer.GVN.32bit.diff
+++ b/tests/mir-opt/const_prop/transmute.undef_union_as_integer.GVN.32bit.diff
@@ -5,8 +5,6 @@
       let mut _0: u32;
       let mut _1: undef_union_as_integer::Union32;
       let mut _2: ();
-      scope 1 {
-      }
   
       bb0: {
           StorageLive(_1);
diff --git a/tests/mir-opt/const_prop/transmute.undef_union_as_integer.GVN.64bit.diff b/tests/mir-opt/const_prop/transmute.undef_union_as_integer.GVN.64bit.diff
index c6a428019d8..febb6bfb0a4 100644
--- a/tests/mir-opt/const_prop/transmute.undef_union_as_integer.GVN.64bit.diff
+++ b/tests/mir-opt/const_prop/transmute.undef_union_as_integer.GVN.64bit.diff
@@ -5,8 +5,6 @@
       let mut _0: u32;
       let mut _1: undef_union_as_integer::Union32;
       let mut _2: ();
-      scope 1 {
-      }
   
       bb0: {
           StorageLive(_1);
diff --git a/tests/mir-opt/const_prop/transmute.unreachable_box.GVN.32bit.diff b/tests/mir-opt/const_prop/transmute.unreachable_box.GVN.32bit.diff
index 2ef83abfac0..7a289563c50 100644
--- a/tests/mir-opt/const_prop/transmute.unreachable_box.GVN.32bit.diff
+++ b/tests/mir-opt/const_prop/transmute.unreachable_box.GVN.32bit.diff
@@ -8,8 +8,6 @@
       scope 1 {
           debug x => _1;
       }
-      scope 2 {
-      }
   
       bb0: {
           StorageLive(_1);
diff --git a/tests/mir-opt/const_prop/transmute.unreachable_box.GVN.64bit.diff b/tests/mir-opt/const_prop/transmute.unreachable_box.GVN.64bit.diff
index 2ef83abfac0..7a289563c50 100644
--- a/tests/mir-opt/const_prop/transmute.unreachable_box.GVN.64bit.diff
+++ b/tests/mir-opt/const_prop/transmute.unreachable_box.GVN.64bit.diff
@@ -8,8 +8,6 @@
       scope 1 {
           debug x => _1;
       }
-      scope 2 {
-      }
   
       bb0: {
           StorageLive(_1);
diff --git a/tests/mir-opt/const_prop/transmute.unreachable_direct.GVN.32bit.diff b/tests/mir-opt/const_prop/transmute.unreachable_direct.GVN.32bit.diff
index b2e91014625..3364782022d 100644
--- a/tests/mir-opt/const_prop/transmute.unreachable_direct.GVN.32bit.diff
+++ b/tests/mir-opt/const_prop/transmute.unreachable_direct.GVN.32bit.diff
@@ -8,8 +8,6 @@
       scope 1 {
           debug x => _1;
       }
-      scope 2 {
-      }
   
       bb0: {
           StorageLive(_1);
diff --git a/tests/mir-opt/const_prop/transmute.unreachable_direct.GVN.64bit.diff b/tests/mir-opt/const_prop/transmute.unreachable_direct.GVN.64bit.diff
index b2e91014625..3364782022d 100644
--- a/tests/mir-opt/const_prop/transmute.unreachable_direct.GVN.64bit.diff
+++ b/tests/mir-opt/const_prop/transmute.unreachable_direct.GVN.64bit.diff
@@ -8,8 +8,6 @@
       scope 1 {
           debug x => _1;
       }
-      scope 2 {
-      }
   
       bb0: {
           StorageLive(_1);
diff --git a/tests/mir-opt/const_prop/transmute.unreachable_mut.GVN.32bit.diff b/tests/mir-opt/const_prop/transmute.unreachable_mut.GVN.32bit.diff
index 0ff31b1a981..a7020793237 100644
--- a/tests/mir-opt/const_prop/transmute.unreachable_mut.GVN.32bit.diff
+++ b/tests/mir-opt/const_prop/transmute.unreachable_mut.GVN.32bit.diff
@@ -8,8 +8,6 @@
       scope 1 {
           debug x => _1;
       }
-      scope 2 {
-      }
   
       bb0: {
           StorageLive(_1);
diff --git a/tests/mir-opt/const_prop/transmute.unreachable_mut.GVN.64bit.diff b/tests/mir-opt/const_prop/transmute.unreachable_mut.GVN.64bit.diff
index 0ff31b1a981..a7020793237 100644
--- a/tests/mir-opt/const_prop/transmute.unreachable_mut.GVN.64bit.diff
+++ b/tests/mir-opt/const_prop/transmute.unreachable_mut.GVN.64bit.diff
@@ -8,8 +8,6 @@
       scope 1 {
           debug x => _1;
       }
-      scope 2 {
-      }
   
       bb0: {
           StorageLive(_1);
diff --git a/tests/mir-opt/const_prop/transmute.unreachable_ref.GVN.32bit.diff b/tests/mir-opt/const_prop/transmute.unreachable_ref.GVN.32bit.diff
index 430d16c97a6..d44b0872035 100644
--- a/tests/mir-opt/const_prop/transmute.unreachable_ref.GVN.32bit.diff
+++ b/tests/mir-opt/const_prop/transmute.unreachable_ref.GVN.32bit.diff
@@ -7,8 +7,6 @@
       scope 1 {
           debug x => _1;
       }
-      scope 2 {
-      }
   
       bb0: {
           StorageLive(_1);
diff --git a/tests/mir-opt/const_prop/transmute.unreachable_ref.GVN.64bit.diff b/tests/mir-opt/const_prop/transmute.unreachable_ref.GVN.64bit.diff
index 430d16c97a6..d44b0872035 100644
--- a/tests/mir-opt/const_prop/transmute.unreachable_ref.GVN.64bit.diff
+++ b/tests/mir-opt/const_prop/transmute.unreachable_ref.GVN.64bit.diff
@@ -7,8 +7,6 @@
       scope 1 {
           debug x => _1;
       }
-      scope 2 {
-      }
   
       bb0: {
           StorageLive(_1);
diff --git a/tests/mir-opt/const_prop/transmute.valid_char.GVN.32bit.diff b/tests/mir-opt/const_prop/transmute.valid_char.GVN.32bit.diff
index f9d002f96ab..069ff906ec5 100644
--- a/tests/mir-opt/const_prop/transmute.valid_char.GVN.32bit.diff
+++ b/tests/mir-opt/const_prop/transmute.valid_char.GVN.32bit.diff
@@ -3,8 +3,6 @@
   
   fn valid_char() -> char {
       let mut _0: char;
-      scope 1 {
-      }
   
       bb0: {
 -         _0 = const 82_u32 as char (Transmute);
diff --git a/tests/mir-opt/const_prop/transmute.valid_char.GVN.64bit.diff b/tests/mir-opt/const_prop/transmute.valid_char.GVN.64bit.diff
index f9d002f96ab..069ff906ec5 100644
--- a/tests/mir-opt/const_prop/transmute.valid_char.GVN.64bit.diff
+++ b/tests/mir-opt/const_prop/transmute.valid_char.GVN.64bit.diff
@@ -3,8 +3,6 @@
   
   fn valid_char() -> char {
       let mut _0: char;
-      scope 1 {
-      }
   
       bb0: {
 -         _0 = const 82_u32 as char (Transmute);
diff --git a/tests/mir-opt/copy-prop/reborrow.demiraw.CopyProp.panic-abort.diff b/tests/mir-opt/copy-prop/reborrow.demiraw.CopyProp.panic-abort.diff
index ffb0c4b23fb..ef30ac2fc8c 100644
--- a/tests/mir-opt/copy-prop/reborrow.demiraw.CopyProp.panic-abort.diff
+++ b/tests/mir-opt/copy-prop/reborrow.demiraw.CopyProp.panic-abort.diff
@@ -14,13 +14,11 @@
           scope 2 {
               debug b => _3;
               let _5: *mut u8;
-              scope 4 {
+              scope 3 {
 -                 debug c => _5;
 +                 debug c => _2;
               }
           }
-          scope 3 {
-          }
       }
   
       bb0: {
diff --git a/tests/mir-opt/copy-prop/reborrow.demiraw.CopyProp.panic-unwind.diff b/tests/mir-opt/copy-prop/reborrow.demiraw.CopyProp.panic-unwind.diff
index 66a0f49cfb9..a743a3e829a 100644
--- a/tests/mir-opt/copy-prop/reborrow.demiraw.CopyProp.panic-unwind.diff
+++ b/tests/mir-opt/copy-prop/reborrow.demiraw.CopyProp.panic-unwind.diff
@@ -14,13 +14,11 @@
           scope 2 {
               debug b => _3;
               let _5: *mut u8;
-              scope 4 {
+              scope 3 {
 -                 debug c => _5;
 +                 debug c => _2;
               }
           }
-          scope 3 {
-          }
       }
   
       bb0: {
diff --git a/tests/mir-opt/copy-prop/reborrow.miraw.CopyProp.panic-abort.diff b/tests/mir-opt/copy-prop/reborrow.miraw.CopyProp.panic-abort.diff
index 0777a913523..2de6f85ce64 100644
--- a/tests/mir-opt/copy-prop/reborrow.miraw.CopyProp.panic-abort.diff
+++ b/tests/mir-opt/copy-prop/reborrow.miraw.CopyProp.panic-abort.diff
@@ -13,13 +13,11 @@
           scope 2 {
               debug b => _3;
               let _4: *mut u8;
-              scope 4 {
+              scope 3 {
 -                 debug c => _4;
 +                 debug c => _2;
               }
           }
-          scope 3 {
-          }
       }
   
       bb0: {
diff --git a/tests/mir-opt/copy-prop/reborrow.miraw.CopyProp.panic-unwind.diff b/tests/mir-opt/copy-prop/reborrow.miraw.CopyProp.panic-unwind.diff
index f5a512b8995..2afec4898bc 100644
--- a/tests/mir-opt/copy-prop/reborrow.miraw.CopyProp.panic-unwind.diff
+++ b/tests/mir-opt/copy-prop/reborrow.miraw.CopyProp.panic-unwind.diff
@@ -13,13 +13,11 @@
           scope 2 {
               debug b => _3;
               let _4: *mut u8;
-              scope 4 {
+              scope 3 {
 -                 debug c => _4;
 +                 debug c => _2;
               }
           }
-          scope 3 {
-          }
       }
   
       bb0: {
diff --git a/tests/mir-opt/dataflow-const-prop/default_boxed_slice.main.DataflowConstProp.32bit.panic-abort.diff b/tests/mir-opt/dataflow-const-prop/default_boxed_slice.main.DataflowConstProp.32bit.panic-abort.diff
index 21cf745b680..44e73b56098 100644
--- a/tests/mir-opt/dataflow-const-prop/default_boxed_slice.main.DataflowConstProp.32bit.panic-abort.diff
+++ b/tests/mir-opt/dataflow-const-prop/default_boxed_slice.main.DataflowConstProp.32bit.panic-abort.diff
@@ -17,33 +17,27 @@
           scope 4 (inlined Unique::<[bool; 0]>::dangling) {
               let mut _5: std::ptr::NonNull<[bool; 0]>;
               scope 5 (inlined NonNull::<[bool; 0]>::dangling) {
+                  let _6: *mut [bool; 0];
                   scope 6 {
-                      let _6: *mut [bool; 0];
-                      scope 7 {
+                      debug ptr => _6;
+                      scope 10 (inlined NonNull::<[bool; 0]>::new_unchecked) {
                           debug ptr => _6;
-                          scope 12 (inlined NonNull::<[bool; 0]>::new_unchecked) {
-                              debug ptr => _6;
-                              let mut _8: bool;
-                              let _9: ();
-                              let mut _10: *mut ();
-                              let mut _11: *const [bool; 0];
-                              scope 13 {
-                                  scope 14 (inlined core::ub_checks::check_language_ub) {
-                                      scope 15 (inlined core::ub_checks::check_language_ub::runtime) {
-                                      }
-                                  }
+                          let mut _8: bool;
+                          let _9: ();
+                          let mut _10: *mut ();
+                          let mut _11: *const [bool; 0];
+                          scope 11 (inlined core::ub_checks::check_language_ub) {
+                              scope 12 (inlined core::ub_checks::check_language_ub::runtime) {
                               }
                           }
                       }
-                      scope 8 (inlined dangling_mut::<[bool; 0]>) {
-                          let mut _7: usize;
-                          scope 9 (inlined align_of::<[bool; 0]>) {
-                          }
-                          scope 10 (inlined without_provenance_mut::<[bool; 0]>) {
-                              debug addr => _7;
-                              scope 11 {
-                              }
-                          }
+                  }
+                  scope 7 (inlined dangling_mut::<[bool; 0]>) {
+                      let mut _7: usize;
+                      scope 8 (inlined align_of::<[bool; 0]>) {
+                      }
+                      scope 9 (inlined without_provenance_mut::<[bool; 0]>) {
+                          debug addr => _7;
                       }
                   }
               }
diff --git a/tests/mir-opt/dataflow-const-prop/default_boxed_slice.main.DataflowConstProp.32bit.panic-unwind.diff b/tests/mir-opt/dataflow-const-prop/default_boxed_slice.main.DataflowConstProp.32bit.panic-unwind.diff
index ee58a974480..6cef8b692ba 100644
--- a/tests/mir-opt/dataflow-const-prop/default_boxed_slice.main.DataflowConstProp.32bit.panic-unwind.diff
+++ b/tests/mir-opt/dataflow-const-prop/default_boxed_slice.main.DataflowConstProp.32bit.panic-unwind.diff
@@ -17,33 +17,27 @@
           scope 4 (inlined Unique::<[bool; 0]>::dangling) {
               let mut _5: std::ptr::NonNull<[bool; 0]>;
               scope 5 (inlined NonNull::<[bool; 0]>::dangling) {
+                  let _6: *mut [bool; 0];
                   scope 6 {
-                      let _6: *mut [bool; 0];
-                      scope 7 {
+                      debug ptr => _6;
+                      scope 10 (inlined NonNull::<[bool; 0]>::new_unchecked) {
                           debug ptr => _6;
-                          scope 12 (inlined NonNull::<[bool; 0]>::new_unchecked) {
-                              debug ptr => _6;
-                              let mut _8: bool;
-                              let _9: ();
-                              let mut _10: *mut ();
-                              let mut _11: *const [bool; 0];
-                              scope 13 {
-                                  scope 14 (inlined core::ub_checks::check_language_ub) {
-                                      scope 15 (inlined core::ub_checks::check_language_ub::runtime) {
-                                      }
-                                  }
+                          let mut _8: bool;
+                          let _9: ();
+                          let mut _10: *mut ();
+                          let mut _11: *const [bool; 0];
+                          scope 11 (inlined core::ub_checks::check_language_ub) {
+                              scope 12 (inlined core::ub_checks::check_language_ub::runtime) {
                               }
                           }
                       }
-                      scope 8 (inlined dangling_mut::<[bool; 0]>) {
-                          let mut _7: usize;
-                          scope 9 (inlined align_of::<[bool; 0]>) {
-                          }
-                          scope 10 (inlined without_provenance_mut::<[bool; 0]>) {
-                              debug addr => _7;
-                              scope 11 {
-                              }
-                          }
+                  }
+                  scope 7 (inlined dangling_mut::<[bool; 0]>) {
+                      let mut _7: usize;
+                      scope 8 (inlined align_of::<[bool; 0]>) {
+                      }
+                      scope 9 (inlined without_provenance_mut::<[bool; 0]>) {
+                          debug addr => _7;
                       }
                   }
               }
diff --git a/tests/mir-opt/dataflow-const-prop/default_boxed_slice.main.DataflowConstProp.64bit.panic-abort.diff b/tests/mir-opt/dataflow-const-prop/default_boxed_slice.main.DataflowConstProp.64bit.panic-abort.diff
index 9fc9c8ed409..6efccded993 100644
--- a/tests/mir-opt/dataflow-const-prop/default_boxed_slice.main.DataflowConstProp.64bit.panic-abort.diff
+++ b/tests/mir-opt/dataflow-const-prop/default_boxed_slice.main.DataflowConstProp.64bit.panic-abort.diff
@@ -17,33 +17,27 @@
           scope 4 (inlined Unique::<[bool; 0]>::dangling) {
               let mut _5: std::ptr::NonNull<[bool; 0]>;
               scope 5 (inlined NonNull::<[bool; 0]>::dangling) {
+                  let _6: *mut [bool; 0];
                   scope 6 {
-                      let _6: *mut [bool; 0];
-                      scope 7 {
+                      debug ptr => _6;
+                      scope 10 (inlined NonNull::<[bool; 0]>::new_unchecked) {
                           debug ptr => _6;
-                          scope 12 (inlined NonNull::<[bool; 0]>::new_unchecked) {
-                              debug ptr => _6;
-                              let mut _8: bool;
-                              let _9: ();
-                              let mut _10: *mut ();
-                              let mut _11: *const [bool; 0];
-                              scope 13 {
-                                  scope 14 (inlined core::ub_checks::check_language_ub) {
-                                      scope 15 (inlined core::ub_checks::check_language_ub::runtime) {
-                                      }
-                                  }
+                          let mut _8: bool;
+                          let _9: ();
+                          let mut _10: *mut ();
+                          let mut _11: *const [bool; 0];
+                          scope 11 (inlined core::ub_checks::check_language_ub) {
+                              scope 12 (inlined core::ub_checks::check_language_ub::runtime) {
                               }
                           }
                       }
-                      scope 8 (inlined dangling_mut::<[bool; 0]>) {
-                          let mut _7: usize;
-                          scope 9 (inlined align_of::<[bool; 0]>) {
-                          }
-                          scope 10 (inlined without_provenance_mut::<[bool; 0]>) {
-                              debug addr => _7;
-                              scope 11 {
-                              }
-                          }
+                  }
+                  scope 7 (inlined dangling_mut::<[bool; 0]>) {
+                      let mut _7: usize;
+                      scope 8 (inlined align_of::<[bool; 0]>) {
+                      }
+                      scope 9 (inlined without_provenance_mut::<[bool; 0]>) {
+                          debug addr => _7;
                       }
                   }
               }
diff --git a/tests/mir-opt/dataflow-const-prop/default_boxed_slice.main.DataflowConstProp.64bit.panic-unwind.diff b/tests/mir-opt/dataflow-const-prop/default_boxed_slice.main.DataflowConstProp.64bit.panic-unwind.diff
index 30d93347afd..a705d0064cb 100644
--- a/tests/mir-opt/dataflow-const-prop/default_boxed_slice.main.DataflowConstProp.64bit.panic-unwind.diff
+++ b/tests/mir-opt/dataflow-const-prop/default_boxed_slice.main.DataflowConstProp.64bit.panic-unwind.diff
@@ -17,33 +17,27 @@
           scope 4 (inlined Unique::<[bool; 0]>::dangling) {
               let mut _5: std::ptr::NonNull<[bool; 0]>;
               scope 5 (inlined NonNull::<[bool; 0]>::dangling) {
+                  let _6: *mut [bool; 0];
                   scope 6 {
-                      let _6: *mut [bool; 0];
-                      scope 7 {
+                      debug ptr => _6;
+                      scope 10 (inlined NonNull::<[bool; 0]>::new_unchecked) {
                           debug ptr => _6;
-                          scope 12 (inlined NonNull::<[bool; 0]>::new_unchecked) {
-                              debug ptr => _6;
-                              let mut _8: bool;
-                              let _9: ();
-                              let mut _10: *mut ();
-                              let mut _11: *const [bool; 0];
-                              scope 13 {
-                                  scope 14 (inlined core::ub_checks::check_language_ub) {
-                                      scope 15 (inlined core::ub_checks::check_language_ub::runtime) {
-                                      }
-                                  }
+                          let mut _8: bool;
+                          let _9: ();
+                          let mut _10: *mut ();
+                          let mut _11: *const [bool; 0];
+                          scope 11 (inlined core::ub_checks::check_language_ub) {
+                              scope 12 (inlined core::ub_checks::check_language_ub::runtime) {
                               }
                           }
                       }
-                      scope 8 (inlined dangling_mut::<[bool; 0]>) {
-                          let mut _7: usize;
-                          scope 9 (inlined align_of::<[bool; 0]>) {
-                          }
-                          scope 10 (inlined without_provenance_mut::<[bool; 0]>) {
-                              debug addr => _7;
-                              scope 11 {
-                              }
-                          }
+                  }
+                  scope 7 (inlined dangling_mut::<[bool; 0]>) {
+                      let mut _7: usize;
+                      scope 8 (inlined align_of::<[bool; 0]>) {
+                      }
+                      scope 9 (inlined without_provenance_mut::<[bool; 0]>) {
+                          debug addr => _7;
                       }
                   }
               }
diff --git a/tests/mir-opt/dataflow-const-prop/default_boxed_slice.main.GVN.32bit.panic-abort.diff b/tests/mir-opt/dataflow-const-prop/default_boxed_slice.main.GVN.32bit.panic-abort.diff
index 3a46edbc849..f9c854ca3f4 100644
--- a/tests/mir-opt/dataflow-const-prop/default_boxed_slice.main.GVN.32bit.panic-abort.diff
+++ b/tests/mir-opt/dataflow-const-prop/default_boxed_slice.main.GVN.32bit.panic-abort.diff
@@ -17,33 +17,27 @@
           scope 4 (inlined Unique::<[bool; 0]>::dangling) {
               let mut _5: std::ptr::NonNull<[bool; 0]>;
               scope 5 (inlined NonNull::<[bool; 0]>::dangling) {
+                  let _6: *mut [bool; 0];
                   scope 6 {
-                      let _6: *mut [bool; 0];
-                      scope 7 {
+                      debug ptr => _6;
+                      scope 10 (inlined NonNull::<[bool; 0]>::new_unchecked) {
                           debug ptr => _6;
-                          scope 12 (inlined NonNull::<[bool; 0]>::new_unchecked) {
-                              debug ptr => _6;
-                              let mut _8: bool;
-                              let _9: ();
-                              let mut _10: *mut ();
-                              let mut _11: *const [bool; 0];
-                              scope 13 {
-                                  scope 14 (inlined core::ub_checks::check_language_ub) {
-                                      scope 15 (inlined core::ub_checks::check_language_ub::runtime) {
-                                      }
-                                  }
+                          let mut _8: bool;
+                          let _9: ();
+                          let mut _10: *mut ();
+                          let mut _11: *const [bool; 0];
+                          scope 11 (inlined core::ub_checks::check_language_ub) {
+                              scope 12 (inlined core::ub_checks::check_language_ub::runtime) {
                               }
                           }
                       }
-                      scope 8 (inlined dangling_mut::<[bool; 0]>) {
-                          let mut _7: usize;
-                          scope 9 (inlined align_of::<[bool; 0]>) {
-                          }
-                          scope 10 (inlined without_provenance_mut::<[bool; 0]>) {
-                              debug addr => _7;
-                              scope 11 {
-                              }
-                          }
+                  }
+                  scope 7 (inlined dangling_mut::<[bool; 0]>) {
+                      let mut _7: usize;
+                      scope 8 (inlined align_of::<[bool; 0]>) {
+                      }
+                      scope 9 (inlined without_provenance_mut::<[bool; 0]>) {
+                          debug addr => _7;
                       }
                   }
               }
diff --git a/tests/mir-opt/dataflow-const-prop/default_boxed_slice.main.GVN.32bit.panic-unwind.diff b/tests/mir-opt/dataflow-const-prop/default_boxed_slice.main.GVN.32bit.panic-unwind.diff
index 3c71214c35f..333726689d7 100644
--- a/tests/mir-opt/dataflow-const-prop/default_boxed_slice.main.GVN.32bit.panic-unwind.diff
+++ b/tests/mir-opt/dataflow-const-prop/default_boxed_slice.main.GVN.32bit.panic-unwind.diff
@@ -17,33 +17,27 @@
           scope 4 (inlined Unique::<[bool; 0]>::dangling) {
               let mut _5: std::ptr::NonNull<[bool; 0]>;
               scope 5 (inlined NonNull::<[bool; 0]>::dangling) {
+                  let _6: *mut [bool; 0];
                   scope 6 {
-                      let _6: *mut [bool; 0];
-                      scope 7 {
+                      debug ptr => _6;
+                      scope 10 (inlined NonNull::<[bool; 0]>::new_unchecked) {
                           debug ptr => _6;
-                          scope 12 (inlined NonNull::<[bool; 0]>::new_unchecked) {
-                              debug ptr => _6;
-                              let mut _8: bool;
-                              let _9: ();
-                              let mut _10: *mut ();
-                              let mut _11: *const [bool; 0];
-                              scope 13 {
-                                  scope 14 (inlined core::ub_checks::check_language_ub) {
-                                      scope 15 (inlined core::ub_checks::check_language_ub::runtime) {
-                                      }
-                                  }
+                          let mut _8: bool;
+                          let _9: ();
+                          let mut _10: *mut ();
+                          let mut _11: *const [bool; 0];
+                          scope 11 (inlined core::ub_checks::check_language_ub) {
+                              scope 12 (inlined core::ub_checks::check_language_ub::runtime) {
                               }
                           }
                       }
-                      scope 8 (inlined dangling_mut::<[bool; 0]>) {
-                          let mut _7: usize;
-                          scope 9 (inlined align_of::<[bool; 0]>) {
-                          }
-                          scope 10 (inlined without_provenance_mut::<[bool; 0]>) {
-                              debug addr => _7;
-                              scope 11 {
-                              }
-                          }
+                  }
+                  scope 7 (inlined dangling_mut::<[bool; 0]>) {
+                      let mut _7: usize;
+                      scope 8 (inlined align_of::<[bool; 0]>) {
+                      }
+                      scope 9 (inlined without_provenance_mut::<[bool; 0]>) {
+                          debug addr => _7;
                       }
                   }
               }
diff --git a/tests/mir-opt/dataflow-const-prop/default_boxed_slice.main.GVN.64bit.panic-abort.diff b/tests/mir-opt/dataflow-const-prop/default_boxed_slice.main.GVN.64bit.panic-abort.diff
index 4557e7b26d6..e1841760077 100644
--- a/tests/mir-opt/dataflow-const-prop/default_boxed_slice.main.GVN.64bit.panic-abort.diff
+++ b/tests/mir-opt/dataflow-const-prop/default_boxed_slice.main.GVN.64bit.panic-abort.diff
@@ -17,33 +17,27 @@
           scope 4 (inlined Unique::<[bool; 0]>::dangling) {
               let mut _5: std::ptr::NonNull<[bool; 0]>;
               scope 5 (inlined NonNull::<[bool; 0]>::dangling) {
+                  let _6: *mut [bool; 0];
                   scope 6 {
-                      let _6: *mut [bool; 0];
-                      scope 7 {
+                      debug ptr => _6;
+                      scope 10 (inlined NonNull::<[bool; 0]>::new_unchecked) {
                           debug ptr => _6;
-                          scope 12 (inlined NonNull::<[bool; 0]>::new_unchecked) {
-                              debug ptr => _6;
-                              let mut _8: bool;
-                              let _9: ();
-                              let mut _10: *mut ();
-                              let mut _11: *const [bool; 0];
-                              scope 13 {
-                                  scope 14 (inlined core::ub_checks::check_language_ub) {
-                                      scope 15 (inlined core::ub_checks::check_language_ub::runtime) {
-                                      }
-                                  }
+                          let mut _8: bool;
+                          let _9: ();
+                          let mut _10: *mut ();
+                          let mut _11: *const [bool; 0];
+                          scope 11 (inlined core::ub_checks::check_language_ub) {
+                              scope 12 (inlined core::ub_checks::check_language_ub::runtime) {
                               }
                           }
                       }
-                      scope 8 (inlined dangling_mut::<[bool; 0]>) {
-                          let mut _7: usize;
-                          scope 9 (inlined align_of::<[bool; 0]>) {
-                          }
-                          scope 10 (inlined without_provenance_mut::<[bool; 0]>) {
-                              debug addr => _7;
-                              scope 11 {
-                              }
-                          }
+                  }
+                  scope 7 (inlined dangling_mut::<[bool; 0]>) {
+                      let mut _7: usize;
+                      scope 8 (inlined align_of::<[bool; 0]>) {
+                      }
+                      scope 9 (inlined without_provenance_mut::<[bool; 0]>) {
+                          debug addr => _7;
                       }
                   }
               }
diff --git a/tests/mir-opt/dataflow-const-prop/default_boxed_slice.main.GVN.64bit.panic-unwind.diff b/tests/mir-opt/dataflow-const-prop/default_boxed_slice.main.GVN.64bit.panic-unwind.diff
index 5ab2d5e0fdc..7aa02556ec5 100644
--- a/tests/mir-opt/dataflow-const-prop/default_boxed_slice.main.GVN.64bit.panic-unwind.diff
+++ b/tests/mir-opt/dataflow-const-prop/default_boxed_slice.main.GVN.64bit.panic-unwind.diff
@@ -17,33 +17,27 @@
           scope 4 (inlined Unique::<[bool; 0]>::dangling) {
               let mut _5: std::ptr::NonNull<[bool; 0]>;
               scope 5 (inlined NonNull::<[bool; 0]>::dangling) {
+                  let _6: *mut [bool; 0];
                   scope 6 {
-                      let _6: *mut [bool; 0];
-                      scope 7 {
+                      debug ptr => _6;
+                      scope 10 (inlined NonNull::<[bool; 0]>::new_unchecked) {
                           debug ptr => _6;
-                          scope 12 (inlined NonNull::<[bool; 0]>::new_unchecked) {
-                              debug ptr => _6;
-                              let mut _8: bool;
-                              let _9: ();
-                              let mut _10: *mut ();
-                              let mut _11: *const [bool; 0];
-                              scope 13 {
-                                  scope 14 (inlined core::ub_checks::check_language_ub) {
-                                      scope 15 (inlined core::ub_checks::check_language_ub::runtime) {
-                                      }
-                                  }
+                          let mut _8: bool;
+                          let _9: ();
+                          let mut _10: *mut ();
+                          let mut _11: *const [bool; 0];
+                          scope 11 (inlined core::ub_checks::check_language_ub) {
+                              scope 12 (inlined core::ub_checks::check_language_ub::runtime) {
                               }
                           }
                       }
-                      scope 8 (inlined dangling_mut::<[bool; 0]>) {
-                          let mut _7: usize;
-                          scope 9 (inlined align_of::<[bool; 0]>) {
-                          }
-                          scope 10 (inlined without_provenance_mut::<[bool; 0]>) {
-                              debug addr => _7;
-                              scope 11 {
-                              }
-                          }
+                  }
+                  scope 7 (inlined dangling_mut::<[bool; 0]>) {
+                      let mut _7: usize;
+                      scope 8 (inlined align_of::<[bool; 0]>) {
+                      }
+                      scope 9 (inlined without_provenance_mut::<[bool; 0]>) {
+                          debug addr => _7;
                       }
                   }
               }
diff --git a/tests/mir-opt/dataflow-const-prop/sibling_ptr.main.DataflowConstProp.panic-abort.diff b/tests/mir-opt/dataflow-const-prop/sibling_ptr.main.DataflowConstProp.panic-abort.diff
index 9b0093c454e..a5e40990751 100644
--- a/tests/mir-opt/dataflow-const-prop/sibling_ptr.main.DataflowConstProp.panic-abort.diff
+++ b/tests/mir-opt/dataflow-const-prop/sibling_ptr.main.DataflowConstProp.panic-abort.diff
@@ -9,14 +9,12 @@
       let mut _5: *mut u8;
       scope 1 {
           debug x => _1;
+          let _3: *mut u8;
           let _6: u8;
           scope 2 {
-              let _3: *mut u8;
-              scope 3 {
-                  debug p => _3;
-              }
+              debug p => _3;
           }
-          scope 4 {
+          scope 3 {
               debug x1 => _6;
           }
       }
diff --git a/tests/mir-opt/dataflow-const-prop/sibling_ptr.main.DataflowConstProp.panic-unwind.diff b/tests/mir-opt/dataflow-const-prop/sibling_ptr.main.DataflowConstProp.panic-unwind.diff
index 635a214251b..ce2178ddbee 100644
--- a/tests/mir-opt/dataflow-const-prop/sibling_ptr.main.DataflowConstProp.panic-unwind.diff
+++ b/tests/mir-opt/dataflow-const-prop/sibling_ptr.main.DataflowConstProp.panic-unwind.diff
@@ -9,14 +9,12 @@
       let mut _5: *mut u8;
       scope 1 {
           debug x => _1;
+          let _3: *mut u8;
           let _6: u8;
           scope 2 {
-              let _3: *mut u8;
-              scope 3 {
-                  debug p => _3;
-              }
+              debug p => _3;
           }
-          scope 4 {
+          scope 3 {
               debug x1 => _6;
           }
       }
diff --git a/tests/mir-opt/dataflow-const-prop/transmute.from_char.DataflowConstProp.32bit.diff b/tests/mir-opt/dataflow-const-prop/transmute.from_char.DataflowConstProp.32bit.diff
index 52f096ac0e4..a5529253762 100644
--- a/tests/mir-opt/dataflow-const-prop/transmute.from_char.DataflowConstProp.32bit.diff
+++ b/tests/mir-opt/dataflow-const-prop/transmute.from_char.DataflowConstProp.32bit.diff
@@ -3,8 +3,6 @@
   
   fn from_char() -> i32 {
       let mut _0: i32;
-      scope 1 {
-      }
   
       bb0: {
 -         _0 = const 'R' as i32 (Transmute);
diff --git a/tests/mir-opt/dataflow-const-prop/transmute.from_char.DataflowConstProp.64bit.diff b/tests/mir-opt/dataflow-const-prop/transmute.from_char.DataflowConstProp.64bit.diff
index 52f096ac0e4..a5529253762 100644
--- a/tests/mir-opt/dataflow-const-prop/transmute.from_char.DataflowConstProp.64bit.diff
+++ b/tests/mir-opt/dataflow-const-prop/transmute.from_char.DataflowConstProp.64bit.diff
@@ -3,8 +3,6 @@
   
   fn from_char() -> i32 {
       let mut _0: i32;
-      scope 1 {
-      }
   
       bb0: {
 -         _0 = const 'R' as i32 (Transmute);
diff --git a/tests/mir-opt/dataflow-const-prop/transmute.invalid_bool.DataflowConstProp.32bit.diff b/tests/mir-opt/dataflow-const-prop/transmute.invalid_bool.DataflowConstProp.32bit.diff
index 3972eb209a1..a66d8dbe844 100644
--- a/tests/mir-opt/dataflow-const-prop/transmute.invalid_bool.DataflowConstProp.32bit.diff
+++ b/tests/mir-opt/dataflow-const-prop/transmute.invalid_bool.DataflowConstProp.32bit.diff
@@ -3,8 +3,6 @@
   
   fn invalid_bool() -> bool {
       let mut _0: bool;
-      scope 1 {
-      }
   
       bb0: {
 -         _0 = const -1_i8 as bool (Transmute);
diff --git a/tests/mir-opt/dataflow-const-prop/transmute.invalid_bool.DataflowConstProp.64bit.diff b/tests/mir-opt/dataflow-const-prop/transmute.invalid_bool.DataflowConstProp.64bit.diff
index 3972eb209a1..a66d8dbe844 100644
--- a/tests/mir-opt/dataflow-const-prop/transmute.invalid_bool.DataflowConstProp.64bit.diff
+++ b/tests/mir-opt/dataflow-const-prop/transmute.invalid_bool.DataflowConstProp.64bit.diff
@@ -3,8 +3,6 @@
   
   fn invalid_bool() -> bool {
       let mut _0: bool;
-      scope 1 {
-      }
   
       bb0: {
 -         _0 = const -1_i8 as bool (Transmute);
diff --git a/tests/mir-opt/dataflow-const-prop/transmute.invalid_char.DataflowConstProp.32bit.diff b/tests/mir-opt/dataflow-const-prop/transmute.invalid_char.DataflowConstProp.32bit.diff
index dd737017ffd..4f3f3e03d75 100644
--- a/tests/mir-opt/dataflow-const-prop/transmute.invalid_char.DataflowConstProp.32bit.diff
+++ b/tests/mir-opt/dataflow-const-prop/transmute.invalid_char.DataflowConstProp.32bit.diff
@@ -3,8 +3,6 @@
   
   fn invalid_char() -> char {
       let mut _0: char;
-      scope 1 {
-      }
   
       bb0: {
 -         _0 = const core::num::<impl i32>::MAX as char (Transmute);
diff --git a/tests/mir-opt/dataflow-const-prop/transmute.invalid_char.DataflowConstProp.64bit.diff b/tests/mir-opt/dataflow-const-prop/transmute.invalid_char.DataflowConstProp.64bit.diff
index dd737017ffd..4f3f3e03d75 100644
--- a/tests/mir-opt/dataflow-const-prop/transmute.invalid_char.DataflowConstProp.64bit.diff
+++ b/tests/mir-opt/dataflow-const-prop/transmute.invalid_char.DataflowConstProp.64bit.diff
@@ -3,8 +3,6 @@
   
   fn invalid_char() -> char {
       let mut _0: char;
-      scope 1 {
-      }
   
       bb0: {
 -         _0 = const core::num::<impl i32>::MAX as char (Transmute);
diff --git a/tests/mir-opt/dataflow-const-prop/transmute.less_as_i8.DataflowConstProp.32bit.diff b/tests/mir-opt/dataflow-const-prop/transmute.less_as_i8.DataflowConstProp.32bit.diff
index 6091e169e8e..44dd4017409 100644
--- a/tests/mir-opt/dataflow-const-prop/transmute.less_as_i8.DataflowConstProp.32bit.diff
+++ b/tests/mir-opt/dataflow-const-prop/transmute.less_as_i8.DataflowConstProp.32bit.diff
@@ -4,8 +4,6 @@
   fn less_as_i8() -> i8 {
       let mut _0: i8;
       let mut _1: std::cmp::Ordering;
-      scope 1 {
-      }
   
       bb0: {
           StorageLive(_1);
diff --git a/tests/mir-opt/dataflow-const-prop/transmute.less_as_i8.DataflowConstProp.64bit.diff b/tests/mir-opt/dataflow-const-prop/transmute.less_as_i8.DataflowConstProp.64bit.diff
index 6091e169e8e..44dd4017409 100644
--- a/tests/mir-opt/dataflow-const-prop/transmute.less_as_i8.DataflowConstProp.64bit.diff
+++ b/tests/mir-opt/dataflow-const-prop/transmute.less_as_i8.DataflowConstProp.64bit.diff
@@ -4,8 +4,6 @@
   fn less_as_i8() -> i8 {
       let mut _0: i8;
       let mut _1: std::cmp::Ordering;
-      scope 1 {
-      }
   
       bb0: {
           StorageLive(_1);
diff --git a/tests/mir-opt/dataflow-const-prop/transmute.undef_union_as_integer.DataflowConstProp.32bit.diff b/tests/mir-opt/dataflow-const-prop/transmute.undef_union_as_integer.DataflowConstProp.32bit.diff
index fb28aa8f6d9..14a34a1ce38 100644
--- a/tests/mir-opt/dataflow-const-prop/transmute.undef_union_as_integer.DataflowConstProp.32bit.diff
+++ b/tests/mir-opt/dataflow-const-prop/transmute.undef_union_as_integer.DataflowConstProp.32bit.diff
@@ -5,8 +5,6 @@
       let mut _0: u32;
       let mut _1: undef_union_as_integer::Union32;
       let mut _2: ();
-      scope 1 {
-      }
   
       bb0: {
           StorageLive(_1);
diff --git a/tests/mir-opt/dataflow-const-prop/transmute.undef_union_as_integer.DataflowConstProp.64bit.diff b/tests/mir-opt/dataflow-const-prop/transmute.undef_union_as_integer.DataflowConstProp.64bit.diff
index fb28aa8f6d9..14a34a1ce38 100644
--- a/tests/mir-opt/dataflow-const-prop/transmute.undef_union_as_integer.DataflowConstProp.64bit.diff
+++ b/tests/mir-opt/dataflow-const-prop/transmute.undef_union_as_integer.DataflowConstProp.64bit.diff
@@ -5,8 +5,6 @@
       let mut _0: u32;
       let mut _1: undef_union_as_integer::Union32;
       let mut _2: ();
-      scope 1 {
-      }
   
       bb0: {
           StorageLive(_1);
diff --git a/tests/mir-opt/dataflow-const-prop/transmute.unreachable_box.DataflowConstProp.32bit.diff b/tests/mir-opt/dataflow-const-prop/transmute.unreachable_box.DataflowConstProp.32bit.diff
index 5d17c47ae66..258e2b454eb 100644
--- a/tests/mir-opt/dataflow-const-prop/transmute.unreachable_box.DataflowConstProp.32bit.diff
+++ b/tests/mir-opt/dataflow-const-prop/transmute.unreachable_box.DataflowConstProp.32bit.diff
@@ -8,8 +8,6 @@
       scope 1 {
           debug x => _1;
       }
-      scope 2 {
-      }
   
       bb0: {
           StorageLive(_1);
diff --git a/tests/mir-opt/dataflow-const-prop/transmute.unreachable_box.DataflowConstProp.64bit.diff b/tests/mir-opt/dataflow-const-prop/transmute.unreachable_box.DataflowConstProp.64bit.diff
index 5d17c47ae66..258e2b454eb 100644
--- a/tests/mir-opt/dataflow-const-prop/transmute.unreachable_box.DataflowConstProp.64bit.diff
+++ b/tests/mir-opt/dataflow-const-prop/transmute.unreachable_box.DataflowConstProp.64bit.diff
@@ -8,8 +8,6 @@
       scope 1 {
           debug x => _1;
       }
-      scope 2 {
-      }
   
       bb0: {
           StorageLive(_1);
diff --git a/tests/mir-opt/dataflow-const-prop/transmute.unreachable_direct.DataflowConstProp.32bit.diff b/tests/mir-opt/dataflow-const-prop/transmute.unreachable_direct.DataflowConstProp.32bit.diff
index c8d4d6edba1..a0b4fb2f5e4 100644
--- a/tests/mir-opt/dataflow-const-prop/transmute.unreachable_direct.DataflowConstProp.32bit.diff
+++ b/tests/mir-opt/dataflow-const-prop/transmute.unreachable_direct.DataflowConstProp.32bit.diff
@@ -8,8 +8,6 @@
       scope 1 {
           debug x => _1;
       }
-      scope 2 {
-      }
   
       bb0: {
           StorageLive(_1);
diff --git a/tests/mir-opt/dataflow-const-prop/transmute.unreachable_direct.DataflowConstProp.64bit.diff b/tests/mir-opt/dataflow-const-prop/transmute.unreachable_direct.DataflowConstProp.64bit.diff
index c8d4d6edba1..a0b4fb2f5e4 100644
--- a/tests/mir-opt/dataflow-const-prop/transmute.unreachable_direct.DataflowConstProp.64bit.diff
+++ b/tests/mir-opt/dataflow-const-prop/transmute.unreachable_direct.DataflowConstProp.64bit.diff
@@ -8,8 +8,6 @@
       scope 1 {
           debug x => _1;
       }
-      scope 2 {
-      }
   
       bb0: {
           StorageLive(_1);
diff --git a/tests/mir-opt/dataflow-const-prop/transmute.unreachable_mut.DataflowConstProp.32bit.diff b/tests/mir-opt/dataflow-const-prop/transmute.unreachable_mut.DataflowConstProp.32bit.diff
index 2ffaeea72db..ef461423c32 100644
--- a/tests/mir-opt/dataflow-const-prop/transmute.unreachable_mut.DataflowConstProp.32bit.diff
+++ b/tests/mir-opt/dataflow-const-prop/transmute.unreachable_mut.DataflowConstProp.32bit.diff
@@ -8,8 +8,6 @@
       scope 1 {
           debug x => _1;
       }
-      scope 2 {
-      }
   
       bb0: {
           StorageLive(_1);
diff --git a/tests/mir-opt/dataflow-const-prop/transmute.unreachable_mut.DataflowConstProp.64bit.diff b/tests/mir-opt/dataflow-const-prop/transmute.unreachable_mut.DataflowConstProp.64bit.diff
index 2ffaeea72db..ef461423c32 100644
--- a/tests/mir-opt/dataflow-const-prop/transmute.unreachable_mut.DataflowConstProp.64bit.diff
+++ b/tests/mir-opt/dataflow-const-prop/transmute.unreachable_mut.DataflowConstProp.64bit.diff
@@ -8,8 +8,6 @@
       scope 1 {
           debug x => _1;
       }
-      scope 2 {
-      }
   
       bb0: {
           StorageLive(_1);
diff --git a/tests/mir-opt/dataflow-const-prop/transmute.unreachable_ref.DataflowConstProp.32bit.diff b/tests/mir-opt/dataflow-const-prop/transmute.unreachable_ref.DataflowConstProp.32bit.diff
index 31fcaafc5bc..c8910029a03 100644
--- a/tests/mir-opt/dataflow-const-prop/transmute.unreachable_ref.DataflowConstProp.32bit.diff
+++ b/tests/mir-opt/dataflow-const-prop/transmute.unreachable_ref.DataflowConstProp.32bit.diff
@@ -7,8 +7,6 @@
       scope 1 {
           debug x => _1;
       }
-      scope 2 {
-      }
   
       bb0: {
           StorageLive(_1);
diff --git a/tests/mir-opt/dataflow-const-prop/transmute.unreachable_ref.DataflowConstProp.64bit.diff b/tests/mir-opt/dataflow-const-prop/transmute.unreachable_ref.DataflowConstProp.64bit.diff
index 31fcaafc5bc..c8910029a03 100644
--- a/tests/mir-opt/dataflow-const-prop/transmute.unreachable_ref.DataflowConstProp.64bit.diff
+++ b/tests/mir-opt/dataflow-const-prop/transmute.unreachable_ref.DataflowConstProp.64bit.diff
@@ -7,8 +7,6 @@
       scope 1 {
           debug x => _1;
       }
-      scope 2 {
-      }
   
       bb0: {
           StorageLive(_1);
diff --git a/tests/mir-opt/dataflow-const-prop/transmute.valid_char.DataflowConstProp.32bit.diff b/tests/mir-opt/dataflow-const-prop/transmute.valid_char.DataflowConstProp.32bit.diff
index 402ef754a64..580c5044bb8 100644
--- a/tests/mir-opt/dataflow-const-prop/transmute.valid_char.DataflowConstProp.32bit.diff
+++ b/tests/mir-opt/dataflow-const-prop/transmute.valid_char.DataflowConstProp.32bit.diff
@@ -3,8 +3,6 @@
   
   fn valid_char() -> char {
       let mut _0: char;
-      scope 1 {
-      }
   
       bb0: {
 -         _0 = const 82_u32 as char (Transmute);
diff --git a/tests/mir-opt/dataflow-const-prop/transmute.valid_char.DataflowConstProp.64bit.diff b/tests/mir-opt/dataflow-const-prop/transmute.valid_char.DataflowConstProp.64bit.diff
index 402ef754a64..580c5044bb8 100644
--- a/tests/mir-opt/dataflow-const-prop/transmute.valid_char.DataflowConstProp.64bit.diff
+++ b/tests/mir-opt/dataflow-const-prop/transmute.valid_char.DataflowConstProp.64bit.diff
@@ -3,8 +3,6 @@
   
   fn valid_char() -> char {
       let mut _0: char;
-      scope 1 {
-      }
   
       bb0: {
 -         _0 = const 82_u32 as char (Transmute);
diff --git a/tests/mir-opt/dest-prop/union.main.DestinationPropagation.panic-abort.diff b/tests/mir-opt/dest-prop/union.main.DestinationPropagation.panic-abort.diff
index 0af3faf28f0..570ec129f06 100644
--- a/tests/mir-opt/dest-prop/union.main.DestinationPropagation.panic-abort.diff
+++ b/tests/mir-opt/dest-prop/union.main.DestinationPropagation.panic-abort.diff
@@ -8,13 +8,11 @@
       let mut _3: u32;
       scope 1 {
           debug un => _1;
-          scope 2 {
-          }
-          scope 4 (inlined std::mem::drop::<u32>) {
+          scope 3 (inlined std::mem::drop::<u32>) {
               debug _x => _3;
           }
       }
-      scope 3 (inlined val) {
+      scope 2 (inlined val) {
       }
   
       bb0: {
diff --git a/tests/mir-opt/dest-prop/union.main.DestinationPropagation.panic-unwind.diff b/tests/mir-opt/dest-prop/union.main.DestinationPropagation.panic-unwind.diff
index 0af3faf28f0..570ec129f06 100644
--- a/tests/mir-opt/dest-prop/union.main.DestinationPropagation.panic-unwind.diff
+++ b/tests/mir-opt/dest-prop/union.main.DestinationPropagation.panic-unwind.diff
@@ -8,13 +8,11 @@
       let mut _3: u32;
       scope 1 {
           debug un => _1;
-          scope 2 {
-          }
-          scope 4 (inlined std::mem::drop::<u32>) {
+          scope 3 (inlined std::mem::drop::<u32>) {
               debug _x => _3;
           }
       }
-      scope 3 (inlined val) {
+      scope 2 (inlined val) {
       }
   
       bb0: {
diff --git a/tests/mir-opt/gvn.dereferences.GVN.panic-abort.diff b/tests/mir-opt/gvn.dereferences.GVN.panic-abort.diff
index 46bf13985da..906835530d8 100644
--- a/tests/mir-opt/gvn.dereferences.GVN.panic-abort.diff
+++ b/tests/mir-opt/gvn.dereferences.GVN.panic-abort.diff
@@ -37,17 +37,9 @@
           debug z => _8;
           let _13: *mut u32;
           scope 2 {
-          }
-          scope 3 {
-          }
-          scope 4 {
               debug z => _13;
               let _18: &u32;
-              scope 5 {
-              }
-              scope 6 {
-              }
-              scope 7 {
+              scope 3 {
                   debug z => _18;
               }
           }
diff --git a/tests/mir-opt/gvn.dereferences.GVN.panic-unwind.diff b/tests/mir-opt/gvn.dereferences.GVN.panic-unwind.diff
index 3e731ead859..006b5da646c 100644
--- a/tests/mir-opt/gvn.dereferences.GVN.panic-unwind.diff
+++ b/tests/mir-opt/gvn.dereferences.GVN.panic-unwind.diff
@@ -37,17 +37,9 @@
           debug z => _8;
           let _13: *mut u32;
           scope 2 {
-          }
-          scope 3 {
-          }
-          scope 4 {
               debug z => _13;
               let _18: &u32;
-              scope 5 {
-              }
-              scope 6 {
-              }
-              scope 7 {
+              scope 3 {
                   debug z => _18;
               }
           }
diff --git a/tests/mir-opt/gvn.slices.GVN.panic-abort.diff b/tests/mir-opt/gvn.slices.GVN.panic-abort.diff
index f3f9073909e..2389d98b5b3 100644
--- a/tests/mir-opt/gvn.slices.GVN.panic-abort.diff
+++ b/tests/mir-opt/gvn.slices.GVN.panic-abort.diff
@@ -69,17 +69,15 @@
                   debug u => _29;
                   let _41: &*const u8;
                   let _42: &*const u8;
-                  scope 7 {
+                  scope 6 {
                       debug left_val => _41;
                       debug right_val => _42;
                       let _47: core::panicking::AssertKind;
-                      scope 8 {
+                      scope 7 {
                           debug kind => _47;
                       }
                   }
               }
-              scope 6 {
-              }
           }
       }
   
diff --git a/tests/mir-opt/gvn.slices.GVN.panic-unwind.diff b/tests/mir-opt/gvn.slices.GVN.panic-unwind.diff
index 383152cce5e..50715d748e7 100644
--- a/tests/mir-opt/gvn.slices.GVN.panic-unwind.diff
+++ b/tests/mir-opt/gvn.slices.GVN.panic-unwind.diff
@@ -69,17 +69,15 @@
                   debug u => _29;
                   let _41: &*const u8;
                   let _42: &*const u8;
-                  scope 7 {
+                  scope 6 {
                       debug left_val => _41;
                       debug right_val => _42;
                       let _47: core::panicking::AssertKind;
-                      scope 8 {
+                      scope 7 {
                           debug kind => _47;
                       }
                   }
               }
-              scope 6 {
-              }
           }
       }
   
diff --git a/tests/mir-opt/gvn.subexpression_elimination.GVN.panic-abort.diff b/tests/mir-opt/gvn.subexpression_elimination.GVN.panic-abort.diff
index 3ecd4650d81..ba9e507560d 100644
--- a/tests/mir-opt/gvn.subexpression_elimination.GVN.panic-abort.diff
+++ b/tests/mir-opt/gvn.subexpression_elimination.GVN.panic-abort.diff
@@ -175,18 +175,16 @@
           let _135: &mut u64;
           scope 2 {
               debug b => _135;
+              let _145: *const u64;
               let _163: &u64;
               scope 3 {
-                  let _145: *const u64;
+                  debug c => _145;
+                  let _154: *mut u64;
                   scope 4 {
-                      debug c => _145;
-                      let _154: *mut u64;
-                      scope 5 {
-                          debug d => _154;
-                      }
+                      debug d => _154;
                   }
               }
-              scope 6 {
+              scope 5 {
                   debug e => _163;
               }
           }
diff --git a/tests/mir-opt/gvn.subexpression_elimination.GVN.panic-unwind.diff b/tests/mir-opt/gvn.subexpression_elimination.GVN.panic-unwind.diff
index bf448280b1e..41c01536130 100644
--- a/tests/mir-opt/gvn.subexpression_elimination.GVN.panic-unwind.diff
+++ b/tests/mir-opt/gvn.subexpression_elimination.GVN.panic-unwind.diff
@@ -175,18 +175,16 @@
           let _135: &mut u64;
           scope 2 {
               debug b => _135;
+              let _145: *const u64;
               let _163: &u64;
               scope 3 {
-                  let _145: *const u64;
+                  debug c => _145;
+                  let _154: *mut u64;
                   scope 4 {
-                      debug c => _145;
-                      let _154: *mut u64;
-                      scope 5 {
-                          debug d => _154;
-                      }
+                      debug d => _154;
                   }
               }
-              scope 6 {
+              scope 5 {
                   debug e => _163;
               }
           }
diff --git a/tests/mir-opt/gvn.wide_ptr_integer.GVN.panic-abort.diff b/tests/mir-opt/gvn.wide_ptr_integer.GVN.panic-abort.diff
index 11cd43fc0e0..07c4c7663c1 100644
--- a/tests/mir-opt/gvn.wide_ptr_integer.GVN.panic-abort.diff
+++ b/tests/mir-opt/gvn.wide_ptr_integer.GVN.panic-abort.diff
@@ -33,13 +33,9 @@
       scope 1 {
           debug a => _1;
           let _3: *const [u8];
-          scope 3 {
+          scope 2 {
               debug b => _3;
           }
-          scope 4 {
-          }
-      }
-      scope 2 {
       }
   
       bb0: {
diff --git a/tests/mir-opt/gvn.wide_ptr_integer.GVN.panic-unwind.diff b/tests/mir-opt/gvn.wide_ptr_integer.GVN.panic-unwind.diff
index c77cd07c60c..df0f93f1077 100644
--- a/tests/mir-opt/gvn.wide_ptr_integer.GVN.panic-unwind.diff
+++ b/tests/mir-opt/gvn.wide_ptr_integer.GVN.panic-unwind.diff
@@ -33,13 +33,9 @@
       scope 1 {
           debug a => _1;
           let _3: *const [u8];
-          scope 3 {
+          scope 2 {
               debug b => _3;
           }
-          scope 4 {
-          }
-      }
-      scope 2 {
       }
   
       bb0: {
diff --git a/tests/mir-opt/gvn_uninhabited.f.GVN.panic-abort.diff b/tests/mir-opt/gvn_uninhabited.f.GVN.panic-abort.diff
index 86e6aae1191..c5ee0d9c44d 100644
--- a/tests/mir-opt/gvn_uninhabited.f.GVN.panic-abort.diff
+++ b/tests/mir-opt/gvn_uninhabited.f.GVN.panic-abort.diff
@@ -7,12 +7,10 @@
       let mut _2: E;
       let mut _3: &U;
       let _4: U;
+      let mut _5: &U;
       scope 1 {
           debug i => _1;
       }
-      scope 2 {
-          let mut _5: &U;
-      }
   
       bb0: {
           StorageLive(_2);
diff --git a/tests/mir-opt/gvn_uninhabited.f.GVN.panic-unwind.diff b/tests/mir-opt/gvn_uninhabited.f.GVN.panic-unwind.diff
index 86e6aae1191..c5ee0d9c44d 100644
--- a/tests/mir-opt/gvn_uninhabited.f.GVN.panic-unwind.diff
+++ b/tests/mir-opt/gvn_uninhabited.f.GVN.panic-unwind.diff
@@ -7,12 +7,10 @@
       let mut _2: E;
       let mut _3: &U;
       let _4: U;
+      let mut _5: &U;
       scope 1 {
           debug i => _1;
       }
-      scope 2 {
-          let mut _5: &U;
-      }
   
       bb0: {
           StorageLive(_2);
diff --git a/tests/mir-opt/inline/asm_unwind.main.Inline.panic-unwind.diff b/tests/mir-opt/inline/asm_unwind.main.Inline.panic-unwind.diff
index ea9c360aa7b..dc0004105a7 100644
--- a/tests/mir-opt/inline/asm_unwind.main.Inline.panic-unwind.diff
+++ b/tests/mir-opt/inline/asm_unwind.main.Inline.panic-unwind.diff
@@ -8,8 +8,6 @@
 +         let _2: D;
 +         scope 2 {
 +             debug _d => const D;
-+             scope 3 {
-+             }
 +         }
 +     }
   
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 a38b8246bde..859082c3111 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
@@ -15,13 +15,11 @@
 +     }
 +     scope 3 (inlined Pin::<&mut {coroutine@$DIR/inline_coroutine.rs:19:5: 19:8}>::new) {
 +         debug pointer => _3;
-+         scope 4 {
-+             scope 5 (inlined Pin::<&mut {coroutine@$DIR/inline_coroutine.rs:19:5: 19:8}>::new_unchecked) {
-+                 debug pointer => _3;
-+             }
++         scope 4 (inlined Pin::<&mut {coroutine@$DIR/inline_coroutine.rs:19:5: 19:8}>::new_unchecked) {
++             debug pointer => _3;
 +         }
 +     }
-+     scope 6 (inlined g::{closure#0}) {
++     scope 5 (inlined g::{closure#0}) {
 +         debug a => _5;
 +         let mut _6: &mut {coroutine@$DIR/inline_coroutine.rs:19:5: 19:8};
 +         let mut _7: u32;
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 dc6628ab44c..44b06c34972 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
@@ -15,13 +15,11 @@
 +     }
 +     scope 3 (inlined Pin::<&mut {coroutine@$DIR/inline_coroutine.rs:19:5: 19:8}>::new) {
 +         debug pointer => _3;
-+         scope 4 {
-+             scope 5 (inlined Pin::<&mut {coroutine@$DIR/inline_coroutine.rs:19:5: 19:8}>::new_unchecked) {
-+                 debug pointer => _3;
-+             }
++         scope 4 (inlined Pin::<&mut {coroutine@$DIR/inline_coroutine.rs:19:5: 19:8}>::new_unchecked) {
++             debug pointer => _3;
 +         }
 +     }
-+     scope 6 (inlined g::{closure#0}) {
++     scope 5 (inlined g::{closure#0}) {
 +         debug a => _5;
 +         let mut _6: &mut {coroutine@$DIR/inline_coroutine.rs:19:5: 19:8};
 +         let mut _7: u32;
diff --git a/tests/mir-opt/inline/inline_instruction_set.default.Inline.diff b/tests/mir-opt/inline/inline_instruction_set.default.Inline.diff
index e38daba27fc..158cc973779 100644
--- a/tests/mir-opt/inline/inline_instruction_set.default.Inline.diff
+++ b/tests/mir-opt/inline/inline_instruction_set.default.Inline.diff
@@ -10,8 +10,6 @@
 +     scope 1 (inlined instruction_set_default) {
 +     }
 +     scope 2 (inlined inline_always_and_using_inline_asm) {
-+         scope 3 {
-+         }
 +     }
   
       bb0: {
diff --git a/tests/mir-opt/inline/inline_shims.drop.Inline.panic-abort.diff b/tests/mir-opt/inline/inline_shims.drop.Inline.panic-abort.diff
index 4fcd49994f0..2a36ccaab11 100644
--- a/tests/mir-opt/inline/inline_shims.drop.Inline.panic-abort.diff
+++ b/tests/mir-opt/inline/inline_shims.drop.Inline.panic-abort.diff
@@ -8,18 +8,14 @@
       let _3: ();
       let mut _4: *mut std::vec::Vec<A>;
       let mut _5: *mut std::option::Option<B>;
-      scope 1 {
-+         scope 3 (inlined std::ptr::drop_in_place::<Vec<A>> - shim(Some(Vec<A>))) {
-+             let mut _6: &mut std::vec::Vec<A>;
-+             let mut _7: ();
-+         }
-      }
-      scope 2 {
-+         scope 4 (inlined std::ptr::drop_in_place::<Option<B>> - shim(Some(Option<B>))) {
-+             let mut _8: isize;
-+             let mut _9: isize;
-+         }
-      }
++     scope 1 (inlined std::ptr::drop_in_place::<Vec<A>> - shim(Some(Vec<A>))) {
++         let mut _6: &mut std::vec::Vec<A>;
++         let mut _7: ();
++     }
++     scope 2 (inlined std::ptr::drop_in_place::<Option<B>> - shim(Some(Option<B>))) {
++         let mut _8: isize;
++         let mut _9: isize;
++     }
   
       bb0: {
           StorageLive(_3);
diff --git a/tests/mir-opt/inline/inline_shims.drop.Inline.panic-unwind.diff b/tests/mir-opt/inline/inline_shims.drop.Inline.panic-unwind.diff
index 4270ae00b66..e11561076e6 100644
--- a/tests/mir-opt/inline/inline_shims.drop.Inline.panic-unwind.diff
+++ b/tests/mir-opt/inline/inline_shims.drop.Inline.panic-unwind.diff
@@ -8,14 +8,10 @@
       let _3: ();
       let mut _4: *mut std::vec::Vec<A>;
       let mut _5: *mut std::option::Option<B>;
-      scope 1 {
-      }
-      scope 2 {
-+         scope 3 (inlined std::ptr::drop_in_place::<Option<B>> - shim(Some(Option<B>))) {
-+             let mut _6: isize;
-+             let mut _7: isize;
-+         }
-      }
++     scope 1 (inlined std::ptr::drop_in_place::<Option<B>> - shim(Some(Option<B>))) {
++         let mut _6: isize;
++         let mut _7: isize;
++     }
   
       bb0: {
           StorageLive(_3);
diff --git a/tests/mir-opt/inline/unchecked_shifts.unchecked_shl_unsigned_smaller.Inline.panic-abort.diff b/tests/mir-opt/inline/unchecked_shifts.unchecked_shl_unsigned_smaller.Inline.panic-abort.diff
index 51e506142a9..cc1b8b9b70f 100644
--- a/tests/mir-opt/inline/unchecked_shifts.unchecked_shl_unsigned_smaller.Inline.panic-abort.diff
+++ b/tests/mir-opt/inline/unchecked_shifts.unchecked_shl_unsigned_smaller.Inline.panic-abort.diff
@@ -10,8 +10,6 @@
 +     scope 1 (inlined core::num::<impl u16>::unchecked_shl) {
 +         debug self => _3;
 +         debug rhs => _4;
-+         scope 2 {
-+         }
 +     }
   
       bb0: {
diff --git a/tests/mir-opt/inline/unchecked_shifts.unchecked_shl_unsigned_smaller.Inline.panic-unwind.diff b/tests/mir-opt/inline/unchecked_shifts.unchecked_shl_unsigned_smaller.Inline.panic-unwind.diff
index 053ccc077a4..f244f378bce 100644
--- a/tests/mir-opt/inline/unchecked_shifts.unchecked_shl_unsigned_smaller.Inline.panic-unwind.diff
+++ b/tests/mir-opt/inline/unchecked_shifts.unchecked_shl_unsigned_smaller.Inline.panic-unwind.diff
@@ -10,8 +10,6 @@
 +     scope 1 (inlined core::num::<impl u16>::unchecked_shl) {
 +         debug self => _3;
 +         debug rhs => _4;
-+         scope 2 {
-+         }
 +     }
   
       bb0: {
diff --git a/tests/mir-opt/inline/unchecked_shifts.unchecked_shl_unsigned_smaller.PreCodegen.after.panic-abort.mir b/tests/mir-opt/inline/unchecked_shifts.unchecked_shl_unsigned_smaller.PreCodegen.after.panic-abort.mir
index 2be887e9b5a..c96983c18cb 100644
--- a/tests/mir-opt/inline/unchecked_shifts.unchecked_shl_unsigned_smaller.PreCodegen.after.panic-abort.mir
+++ b/tests/mir-opt/inline/unchecked_shifts.unchecked_shl_unsigned_smaller.PreCodegen.after.panic-abort.mir
@@ -7,8 +7,6 @@ fn unchecked_shl_unsigned_smaller(_1: u16, _2: u32) -> u16 {
     scope 1 (inlined core::num::<impl u16>::unchecked_shl) {
         debug self => _1;
         debug rhs => _2;
-        scope 2 {
-        }
     }
 
     bb0: {
diff --git a/tests/mir-opt/inline/unchecked_shifts.unchecked_shl_unsigned_smaller.PreCodegen.after.panic-unwind.mir b/tests/mir-opt/inline/unchecked_shifts.unchecked_shl_unsigned_smaller.PreCodegen.after.panic-unwind.mir
index 2be887e9b5a..c96983c18cb 100644
--- a/tests/mir-opt/inline/unchecked_shifts.unchecked_shl_unsigned_smaller.PreCodegen.after.panic-unwind.mir
+++ b/tests/mir-opt/inline/unchecked_shifts.unchecked_shl_unsigned_smaller.PreCodegen.after.panic-unwind.mir
@@ -7,8 +7,6 @@ fn unchecked_shl_unsigned_smaller(_1: u16, _2: u32) -> u16 {
     scope 1 (inlined core::num::<impl u16>::unchecked_shl) {
         debug self => _1;
         debug rhs => _2;
-        scope 2 {
-        }
     }
 
     bb0: {
diff --git a/tests/mir-opt/inline/unchecked_shifts.unchecked_shr_signed_bigger.Inline.panic-abort.diff b/tests/mir-opt/inline/unchecked_shifts.unchecked_shr_signed_bigger.Inline.panic-abort.diff
index 816d03b4405..74518db370f 100644
--- a/tests/mir-opt/inline/unchecked_shifts.unchecked_shr_signed_bigger.Inline.panic-abort.diff
+++ b/tests/mir-opt/inline/unchecked_shifts.unchecked_shr_signed_bigger.Inline.panic-abort.diff
@@ -10,8 +10,6 @@
 +     scope 1 (inlined core::num::<impl i64>::unchecked_shr) {
 +         debug self => _3;
 +         debug rhs => _4;
-+         scope 2 {
-+         }
 +     }
   
       bb0: {
diff --git a/tests/mir-opt/inline/unchecked_shifts.unchecked_shr_signed_bigger.Inline.panic-unwind.diff b/tests/mir-opt/inline/unchecked_shifts.unchecked_shr_signed_bigger.Inline.panic-unwind.diff
index d4121f89baf..aab04624f6c 100644
--- a/tests/mir-opt/inline/unchecked_shifts.unchecked_shr_signed_bigger.Inline.panic-unwind.diff
+++ b/tests/mir-opt/inline/unchecked_shifts.unchecked_shr_signed_bigger.Inline.panic-unwind.diff
@@ -10,8 +10,6 @@
 +     scope 1 (inlined core::num::<impl i64>::unchecked_shr) {
 +         debug self => _3;
 +         debug rhs => _4;
-+         scope 2 {
-+         }
 +     }
   
       bb0: {
diff --git a/tests/mir-opt/inline/unchecked_shifts.unchecked_shr_signed_bigger.PreCodegen.after.panic-abort.mir b/tests/mir-opt/inline/unchecked_shifts.unchecked_shr_signed_bigger.PreCodegen.after.panic-abort.mir
index 4696112175e..1dd8cb27314 100644
--- a/tests/mir-opt/inline/unchecked_shifts.unchecked_shr_signed_bigger.PreCodegen.after.panic-abort.mir
+++ b/tests/mir-opt/inline/unchecked_shifts.unchecked_shr_signed_bigger.PreCodegen.after.panic-abort.mir
@@ -7,8 +7,6 @@ fn unchecked_shr_signed_bigger(_1: i64, _2: u32) -> i64 {
     scope 1 (inlined core::num::<impl i64>::unchecked_shr) {
         debug self => _1;
         debug rhs => _2;
-        scope 2 {
-        }
     }
 
     bb0: {
diff --git a/tests/mir-opt/inline/unchecked_shifts.unchecked_shr_signed_bigger.PreCodegen.after.panic-unwind.mir b/tests/mir-opt/inline/unchecked_shifts.unchecked_shr_signed_bigger.PreCodegen.after.panic-unwind.mir
index 4696112175e..1dd8cb27314 100644
--- a/tests/mir-opt/inline/unchecked_shifts.unchecked_shr_signed_bigger.PreCodegen.after.panic-unwind.mir
+++ b/tests/mir-opt/inline/unchecked_shifts.unchecked_shr_signed_bigger.PreCodegen.after.panic-unwind.mir
@@ -7,8 +7,6 @@ fn unchecked_shr_signed_bigger(_1: i64, _2: u32) -> i64 {
     scope 1 (inlined core::num::<impl i64>::unchecked_shr) {
         debug self => _1;
         debug rhs => _2;
-        scope 2 {
-        }
     }
 
     bb0: {
diff --git a/tests/mir-opt/inline/unwrap_unchecked.unwrap_unchecked.Inline.panic-abort.diff b/tests/mir-opt/inline/unwrap_unchecked.unwrap_unchecked.Inline.panic-abort.diff
index 028040edc85..814eda10459 100644
--- a/tests/mir-opt/inline/unwrap_unchecked.unwrap_unchecked.Inline.panic-abort.diff
+++ b/tests/mir-opt/inline/unwrap_unchecked.unwrap_unchecked.Inline.panic-abort.diff
@@ -11,15 +11,11 @@
 +         scope 2 {
 +             debug val => _0;
 +         }
-+         scope 3 {
-+             scope 4 (inlined unreachable_unchecked) {
-+                 let mut _4: bool;
-+                 let _5: ();
-+                 scope 5 {
-+                 }
-+                 scope 6 (inlined core::ub_checks::check_language_ub) {
-+                     scope 7 (inlined core::ub_checks::check_language_ub::runtime) {
-+                     }
++         scope 3 (inlined unreachable_unchecked) {
++             let mut _4: bool;
++             let _5: ();
++             scope 4 (inlined core::ub_checks::check_language_ub) {
++                 scope 5 (inlined core::ub_checks::check_language_ub::runtime) {
 +                 }
 +             }
 +         }
diff --git a/tests/mir-opt/inline/unwrap_unchecked.unwrap_unchecked.Inline.panic-unwind.diff b/tests/mir-opt/inline/unwrap_unchecked.unwrap_unchecked.Inline.panic-unwind.diff
index 484fd37248c..d5d69074382 100644
--- a/tests/mir-opt/inline/unwrap_unchecked.unwrap_unchecked.Inline.panic-unwind.diff
+++ b/tests/mir-opt/inline/unwrap_unchecked.unwrap_unchecked.Inline.panic-unwind.diff
@@ -11,15 +11,11 @@
 +         scope 2 {
 +             debug val => _0;
 +         }
-+         scope 3 {
-+             scope 4 (inlined unreachable_unchecked) {
-+                 let mut _4: bool;
-+                 let _5: ();
-+                 scope 5 {
-+                 }
-+                 scope 6 (inlined core::ub_checks::check_language_ub) {
-+                     scope 7 (inlined core::ub_checks::check_language_ub::runtime) {
-+                     }
++         scope 3 (inlined unreachable_unchecked) {
++             let mut _4: bool;
++             let _5: ();
++             scope 4 (inlined core::ub_checks::check_language_ub) {
++                 scope 5 (inlined core::ub_checks::check_language_ub::runtime) {
 +                 }
 +             }
 +         }
diff --git a/tests/mir-opt/inline/unwrap_unchecked.unwrap_unchecked.PreCodegen.after.panic-abort.mir b/tests/mir-opt/inline/unwrap_unchecked.unwrap_unchecked.PreCodegen.after.panic-abort.mir
index d629336d385..7c24a97166c 100644
--- a/tests/mir-opt/inline/unwrap_unchecked.unwrap_unchecked.PreCodegen.after.panic-abort.mir
+++ b/tests/mir-opt/inline/unwrap_unchecked.unwrap_unchecked.PreCodegen.after.panic-abort.mir
@@ -9,13 +9,9 @@ fn unwrap_unchecked(_1: Option<T>) -> T {
         scope 2 {
             debug val => _0;
         }
-        scope 3 {
-            scope 4 (inlined unreachable_unchecked) {
-                scope 5 {
-                }
-                scope 6 (inlined core::ub_checks::check_language_ub) {
-                    scope 7 (inlined core::ub_checks::check_language_ub::runtime) {
-                    }
+        scope 3 (inlined unreachable_unchecked) {
+            scope 4 (inlined core::ub_checks::check_language_ub) {
+                scope 5 (inlined core::ub_checks::check_language_ub::runtime) {
                 }
             }
         }
diff --git a/tests/mir-opt/inline/unwrap_unchecked.unwrap_unchecked.PreCodegen.after.panic-unwind.mir b/tests/mir-opt/inline/unwrap_unchecked.unwrap_unchecked.PreCodegen.after.panic-unwind.mir
index d629336d385..7c24a97166c 100644
--- a/tests/mir-opt/inline/unwrap_unchecked.unwrap_unchecked.PreCodegen.after.panic-unwind.mir
+++ b/tests/mir-opt/inline/unwrap_unchecked.unwrap_unchecked.PreCodegen.after.panic-unwind.mir
@@ -9,13 +9,9 @@ fn unwrap_unchecked(_1: Option<T>) -> T {
         scope 2 {
             debug val => _0;
         }
-        scope 3 {
-            scope 4 (inlined unreachable_unchecked) {
-                scope 5 {
-                }
-                scope 6 (inlined core::ub_checks::check_language_ub) {
-                    scope 7 (inlined core::ub_checks::check_language_ub::runtime) {
-                    }
+        scope 3 (inlined unreachable_unchecked) {
+            scope 4 (inlined core::ub_checks::check_language_ub) {
+                scope 5 (inlined core::ub_checks::check_language_ub::runtime) {
                 }
             }
         }
diff --git a/tests/mir-opt/inline_coroutine_body.run2-{closure#0}.Inline.panic-abort.diff b/tests/mir-opt/inline_coroutine_body.run2-{closure#0}.Inline.panic-abort.diff
index 0243e31cb1a..f8cceacd7e6 100644
--- a/tests/mir-opt/inline_coroutine_body.run2-{closure#0}.Inline.panic-abort.diff
+++ b/tests/mir-opt/inline_coroutine_body.run2-{closure#0}.Inline.panic-abort.diff
@@ -18,9 +18,9 @@
           let _4: std::pin::Pin<&mut {async fn body of ActionPermit<'_, T>::perform()}>;
           scope 2 {
               debug fut => _4;
-              scope 4 {
+              scope 3 {
               }
-+             scope 7 (inlined ActionPermit::<'_, T>::perform::{closure#0}) {
++             scope 6 (inlined ActionPermit::<'_, T>::perform::{closure#0}) {
 +                 debug _task_context => _31;
 +                 debug self => ((*(_8.0: &mut {async fn body of ActionPermit<'_, T>::perform()})).0: ActionPermit<'_, T>);
 +                 let _11: ActionPermit<'_, T>;
@@ -51,32 +51,28 @@
 +                 let mut _38: &mut {async fn body of ActionPermit<'_, T>::perform()};
 +                 let mut _39: &mut {async fn body of ActionPermit<'_, T>::perform()};
 +                 let mut _40: &mut {async fn body of ActionPermit<'_, T>::perform()};
-+                 scope 8 {
++                 scope 7 {
 +                     debug self => (((*(_8.0: &mut {async fn body of ActionPermit<'_, T>::perform()})) as variant#3).0: ActionPermit<'_, T>);
 +                     let mut _15: std::future::Ready<()>;
-+                     scope 9 {
++                     scope 8 {
 +                         debug __awaitee => (((*(_8.0: &mut {async fn body of ActionPermit<'_, T>::perform()})) as variant#3).1: std::future::Ready<()>);
 +                         let _26: ();
-+                         scope 10 {
-+                         }
-+                         scope 11 {
++                         scope 9 {
 +                             debug result => _26;
 +                         }
 +                     }
-+                     scope 12 (inlined ready::<()>) {
++                     scope 10 (inlined ready::<()>) {
 +                         debug t => _14;
 +                         let mut _41: std::option::Option<()>;
 +                     }
 +                 }
 +             }
           }
-          scope 3 {
-+             scope 6 (inlined Pin::<&mut {async fn body of ActionPermit<'_, T>::perform()}>::new_unchecked) {
-+                 debug pointer => _5;
-+             }
-          }
++         scope 5 (inlined Pin::<&mut {async fn body of ActionPermit<'_, T>::perform()}>::new_unchecked) {
++             debug pointer => _5;
++         }
       }
-+     scope 5 (inlined ActionPermit::<'_, T>::perform) {
++     scope 4 (inlined ActionPermit::<'_, T>::perform) {
 +         debug self => _3;
 +     }
   
diff --git a/tests/mir-opt/inline_coroutine_body.run2-{closure#0}.Inline.panic-unwind.diff b/tests/mir-opt/inline_coroutine_body.run2-{closure#0}.Inline.panic-unwind.diff
index 96a93cdda3d..fd080d22d3a 100644
--- a/tests/mir-opt/inline_coroutine_body.run2-{closure#0}.Inline.panic-unwind.diff
+++ b/tests/mir-opt/inline_coroutine_body.run2-{closure#0}.Inline.panic-unwind.diff
@@ -18,9 +18,9 @@
           let _4: std::pin::Pin<&mut {async fn body of ActionPermit<'_, T>::perform()}>;
           scope 2 {
               debug fut => _4;
-              scope 4 {
+              scope 3 {
               }
-+             scope 7 (inlined ActionPermit::<'_, T>::perform::{closure#0}) {
++             scope 6 (inlined ActionPermit::<'_, T>::perform::{closure#0}) {
 +                 debug _task_context => _31;
 +                 debug self => ((*(_8.0: &mut {async fn body of ActionPermit<'_, T>::perform()})).0: ActionPermit<'_, T>);
 +                 let _11: ActionPermit<'_, T>;
@@ -53,32 +53,28 @@
 +                 let mut _40: &mut {async fn body of ActionPermit<'_, T>::perform()};
 +                 let mut _41: &mut {async fn body of ActionPermit<'_, T>::perform()};
 +                 let mut _42: &mut {async fn body of ActionPermit<'_, T>::perform()};
-+                 scope 8 {
++                 scope 7 {
 +                     debug self => (((*(_8.0: &mut {async fn body of ActionPermit<'_, T>::perform()})) as variant#3).0: ActionPermit<'_, T>);
 +                     let mut _15: std::future::Ready<()>;
-+                     scope 9 {
++                     scope 8 {
 +                         debug __awaitee => (((*(_8.0: &mut {async fn body of ActionPermit<'_, T>::perform()})) as variant#3).1: std::future::Ready<()>);
 +                         let _26: ();
-+                         scope 10 {
-+                         }
-+                         scope 11 {
++                         scope 9 {
 +                             debug result => _26;
 +                         }
 +                     }
-+                     scope 12 (inlined ready::<()>) {
++                     scope 10 (inlined ready::<()>) {
 +                         debug t => _14;
 +                         let mut _43: std::option::Option<()>;
 +                     }
 +                 }
 +             }
           }
-          scope 3 {
-+             scope 6 (inlined Pin::<&mut {async fn body of ActionPermit<'_, T>::perform()}>::new_unchecked) {
-+                 debug pointer => _5;
-+             }
-          }
++         scope 5 (inlined Pin::<&mut {async fn body of ActionPermit<'_, T>::perform()}>::new_unchecked) {
++             debug pointer => _5;
++         }
       }
-+     scope 5 (inlined ActionPermit::<'_, T>::perform) {
++     scope 4 (inlined ActionPermit::<'_, T>::perform) {
 +         debug self => _3;
 +     }
   
diff --git a/tests/mir-opt/instsimplify/ub_check.unwrap_unchecked.InstSimplify.diff b/tests/mir-opt/instsimplify/ub_check.unwrap_unchecked.InstSimplify.diff
index f3402fde05b..6d6c9c9a7a1 100644
--- a/tests/mir-opt/instsimplify/ub_check.unwrap_unchecked.InstSimplify.diff
+++ b/tests/mir-opt/instsimplify/ub_check.unwrap_unchecked.InstSimplify.diff
@@ -5,23 +5,17 @@
       debug x => _1;
       let mut _0: i32;
       let mut _2: std::option::Option<i32>;
-      scope 1 {
-          scope 2 (inlined #[track_caller] Option::<i32>::unwrap_unchecked) {
-              debug self => _2;
-              let mut _3: isize;
-              scope 3 {
-                  debug val => _0;
-              }
-              scope 4 {
-                  scope 5 (inlined unreachable_unchecked) {
-                      let mut _4: bool;
-                      let _5: ();
-                      scope 6 {
-                      }
-                      scope 7 (inlined core::ub_checks::check_language_ub) {
-                          scope 8 (inlined core::ub_checks::check_language_ub::runtime) {
-                          }
-                      }
+      scope 1 (inlined #[track_caller] Option::<i32>::unwrap_unchecked) {
+          debug self => _2;
+          let mut _3: isize;
+          scope 2 {
+              debug val => _0;
+          }
+          scope 3 (inlined unreachable_unchecked) {
+              let mut _4: bool;
+              let _5: ();
+              scope 4 (inlined core::ub_checks::check_language_ub) {
+                  scope 5 (inlined core::ub_checks::check_language_ub::runtime) {
                   }
               }
           }
diff --git a/tests/mir-opt/issue_104451_unwindable_intrinsics.main.AbortUnwindingCalls.after.panic-abort.mir b/tests/mir-opt/issue_104451_unwindable_intrinsics.main.AbortUnwindingCalls.after.panic-abort.mir
index b4f21240939..53912adc003 100644
--- a/tests/mir-opt/issue_104451_unwindable_intrinsics.main.AbortUnwindingCalls.after.panic-abort.mir
+++ b/tests/mir-opt/issue_104451_unwindable_intrinsics.main.AbortUnwindingCalls.after.panic-abort.mir
@@ -4,8 +4,6 @@ fn main() -> () {
     let mut _0: ();
     let mut _1: !;
     let mut _2: ();
-    scope 1 {
-    }
 
     bb0: {
         StorageLive(_1);
diff --git a/tests/mir-opt/issue_104451_unwindable_intrinsics.main.AbortUnwindingCalls.after.panic-unwind.mir b/tests/mir-opt/issue_104451_unwindable_intrinsics.main.AbortUnwindingCalls.after.panic-unwind.mir
index 1851747f0a6..50416300094 100644
--- a/tests/mir-opt/issue_104451_unwindable_intrinsics.main.AbortUnwindingCalls.after.panic-unwind.mir
+++ b/tests/mir-opt/issue_104451_unwindable_intrinsics.main.AbortUnwindingCalls.after.panic-unwind.mir
@@ -4,8 +4,6 @@ fn main() -> () {
     let mut _0: ();
     let mut _1: !;
     let mut _2: ();
-    scope 1 {
-    }
 
     bb0: {
         StorageLive(_1);
diff --git a/tests/mir-opt/issue_62289.test.ElaborateDrops.before.panic-abort.mir b/tests/mir-opt/issue_62289.test.ElaborateDrops.before.panic-abort.mir
index 91dee82fde0..3104baa5fdb 100644
--- a/tests/mir-opt/issue_62289.test.ElaborateDrops.before.panic-abort.mir
+++ b/tests/mir-opt/issue_62289.test.ElaborateDrops.before.panic-abort.mir
@@ -15,15 +15,13 @@ fn test() -> Option<Box<u32>> {
     let mut _11: std::option::Option<std::convert::Infallible>;
     let _12: u32;
     scope 1 {
-    }
-    scope 2 {
         debug residual => _9;
-        scope 3 {
+        scope 2 {
         }
     }
-    scope 4 {
+    scope 3 {
         debug val => _12;
-        scope 5 {
+        scope 4 {
         }
     }
 
diff --git a/tests/mir-opt/issue_62289.test.ElaborateDrops.before.panic-unwind.mir b/tests/mir-opt/issue_62289.test.ElaborateDrops.before.panic-unwind.mir
index ff7fc74ff61..da33c830115 100644
--- a/tests/mir-opt/issue_62289.test.ElaborateDrops.before.panic-unwind.mir
+++ b/tests/mir-opt/issue_62289.test.ElaborateDrops.before.panic-unwind.mir
@@ -15,15 +15,13 @@ fn test() -> Option<Box<u32>> {
     let mut _11: std::option::Option<std::convert::Infallible>;
     let _12: u32;
     scope 1 {
-    }
-    scope 2 {
         debug residual => _9;
-        scope 3 {
+        scope 2 {
         }
     }
-    scope 4 {
+    scope 3 {
         debug val => _12;
-        scope 5 {
+        scope 4 {
         }
     }
 
diff --git a/tests/mir-opt/issue_72181.main.built.after.mir b/tests/mir-opt/issue_72181.main.built.after.mir
index cff20702bf7..fa101512d72 100644
--- a/tests/mir-opt/issue_72181.main.built.after.mir
+++ b/tests/mir-opt/issue_72181.main.built.after.mir
@@ -15,8 +15,6 @@ fn main() -> () {
             debug f => _2;
             scope 3 {
             }
-            scope 4 {
-            }
         }
     }
 
diff --git a/tests/mir-opt/issue_72181_1.main.built.after.mir b/tests/mir-opt/issue_72181_1.main.built.after.mir
index d35aada95f8..ae0dc9a0b6a 100644
--- a/tests/mir-opt/issue_72181_1.main.built.after.mir
+++ b/tests/mir-opt/issue_72181_1.main.built.after.mir
@@ -14,8 +14,6 @@ fn main() -> () {
     scope 1 {
         debug v => _2;
     }
-    scope 2 {
-    }
 
     bb0: {
         StorageLive(_2);
diff --git a/tests/mir-opt/issues/issue_75439.foo.MatchBranchSimplification.diff b/tests/mir-opt/issues/issue_75439.foo.MatchBranchSimplification.diff
index f11c993340f..25ed1b4d0c7 100644
--- a/tests/mir-opt/issues/issue_75439.foo.MatchBranchSimplification.diff
+++ b/tests/mir-opt/issues/issue_75439.foo.MatchBranchSimplification.diff
@@ -10,15 +10,11 @@
       let mut _6: u32;
       scope 1 {
           debug dwords => _2;
-          scope 3 {
+          scope 2 {
               debug ip => _4;
               let _4: u32;
-              scope 4 {
-              }
           }
       }
-      scope 2 {
-      }
   
       bb0: {
           StorageLive(_2);
diff --git a/tests/mir-opt/jump_threading.mutable_ref.JumpThreading.panic-abort.diff b/tests/mir-opt/jump_threading.mutable_ref.JumpThreading.panic-abort.diff
index 80a42263643..e9d4352014f 100644
--- a/tests/mir-opt/jump_threading.mutable_ref.JumpThreading.panic-abort.diff
+++ b/tests/mir-opt/jump_threading.mutable_ref.JumpThreading.panic-abort.diff
@@ -12,8 +12,6 @@
           let _2: *mut i32;
           scope 2 {
               debug a => _2;
-              scope 3 {
-              }
           }
       }
   
diff --git a/tests/mir-opt/jump_threading.mutable_ref.JumpThreading.panic-unwind.diff b/tests/mir-opt/jump_threading.mutable_ref.JumpThreading.panic-unwind.diff
index 80a42263643..e9d4352014f 100644
--- a/tests/mir-opt/jump_threading.mutable_ref.JumpThreading.panic-unwind.diff
+++ b/tests/mir-opt/jump_threading.mutable_ref.JumpThreading.panic-unwind.diff
@@ -12,8 +12,6 @@
           let _2: *mut i32;
           scope 2 {
               debug a => _2;
-              scope 3 {
-              }
           }
       }
   
diff --git a/tests/mir-opt/lower_array_len.array_len_raw.NormalizeArrayLen.panic-abort.diff b/tests/mir-opt/lower_array_len.array_len_raw.NormalizeArrayLen.panic-abort.diff
index f9f73bf991d..633a344a2ed 100644
--- a/tests/mir-opt/lower_array_len.array_len_raw.NormalizeArrayLen.panic-abort.diff
+++ b/tests/mir-opt/lower_array_len.array_len_raw.NormalizeArrayLen.panic-abort.diff
@@ -14,8 +14,6 @@
           let _5: *const [u8];
           scope 2 {
               debug arr => _5;
-              scope 3 {
-              }
           }
       }
   
diff --git a/tests/mir-opt/lower_array_len.array_len_raw.NormalizeArrayLen.panic-unwind.diff b/tests/mir-opt/lower_array_len.array_len_raw.NormalizeArrayLen.panic-unwind.diff
index f9f73bf991d..633a344a2ed 100644
--- a/tests/mir-opt/lower_array_len.array_len_raw.NormalizeArrayLen.panic-unwind.diff
+++ b/tests/mir-opt/lower_array_len.array_len_raw.NormalizeArrayLen.panic-unwind.diff
@@ -14,8 +14,6 @@
           let _5: *const [u8];
           scope 2 {
               debug arr => _5;
-              scope 3 {
-              }
           }
       }
   
diff --git a/tests/mir-opt/lower_intrinsics.assume.LowerIntrinsics.panic-abort.diff b/tests/mir-opt/lower_intrinsics.assume.LowerIntrinsics.panic-abort.diff
index 79635f23e8e..6c1f457cb5f 100644
--- a/tests/mir-opt/lower_intrinsics.assume.LowerIntrinsics.panic-abort.diff
+++ b/tests/mir-opt/lower_intrinsics.assume.LowerIntrinsics.panic-abort.diff
@@ -4,8 +4,6 @@
   fn assume() -> () {
       let mut _0: ();
       let _1: ();
-      scope 1 {
-      }
   
       bb0: {
           StorageLive(_1);
diff --git a/tests/mir-opt/lower_intrinsics.assume.LowerIntrinsics.panic-unwind.diff b/tests/mir-opt/lower_intrinsics.assume.LowerIntrinsics.panic-unwind.diff
index 79635f23e8e..6c1f457cb5f 100644
--- a/tests/mir-opt/lower_intrinsics.assume.LowerIntrinsics.panic-unwind.diff
+++ b/tests/mir-opt/lower_intrinsics.assume.LowerIntrinsics.panic-unwind.diff
@@ -4,8 +4,6 @@
   fn assume() -> () {
       let mut _0: ();
       let _1: ();
-      scope 1 {
-      }
   
       bb0: {
           StorageLive(_1);
diff --git a/tests/mir-opt/lower_intrinsics.f_copy_nonoverlapping.LowerIntrinsics.panic-abort.diff b/tests/mir-opt/lower_intrinsics.f_copy_nonoverlapping.LowerIntrinsics.panic-abort.diff
index 6de5f2c4f07..96b66af66a2 100644
--- a/tests/mir-opt/lower_intrinsics.f_copy_nonoverlapping.LowerIntrinsics.panic-abort.diff
+++ b/tests/mir-opt/lower_intrinsics.f_copy_nonoverlapping.LowerIntrinsics.panic-abort.diff
@@ -18,8 +18,6 @@
           let mut _2: ();
           scope 2 {
               debug dst => _2;
-              scope 3 {
-              }
           }
       }
   
diff --git a/tests/mir-opt/lower_intrinsics.f_copy_nonoverlapping.LowerIntrinsics.panic-unwind.diff b/tests/mir-opt/lower_intrinsics.f_copy_nonoverlapping.LowerIntrinsics.panic-unwind.diff
index 6de5f2c4f07..96b66af66a2 100644
--- a/tests/mir-opt/lower_intrinsics.f_copy_nonoverlapping.LowerIntrinsics.panic-unwind.diff
+++ b/tests/mir-opt/lower_intrinsics.f_copy_nonoverlapping.LowerIntrinsics.panic-unwind.diff
@@ -18,8 +18,6 @@
           let mut _2: ();
           scope 2 {
               debug dst => _2;
-              scope 3 {
-              }
           }
       }
   
diff --git a/tests/mir-opt/lower_intrinsics.read_via_copy_primitive.LowerIntrinsics.panic-abort.diff b/tests/mir-opt/lower_intrinsics.read_via_copy_primitive.LowerIntrinsics.panic-abort.diff
index 147c48a3c01..781104be290 100644
--- a/tests/mir-opt/lower_intrinsics.read_via_copy_primitive.LowerIntrinsics.panic-abort.diff
+++ b/tests/mir-opt/lower_intrinsics.read_via_copy_primitive.LowerIntrinsics.panic-abort.diff
@@ -5,8 +5,6 @@
       debug r => _1;
       let mut _0: i32;
       let mut _2: *const i32;
-      scope 1 {
-      }
   
       bb0: {
           StorageLive(_2);
diff --git a/tests/mir-opt/lower_intrinsics.read_via_copy_primitive.LowerIntrinsics.panic-unwind.diff b/tests/mir-opt/lower_intrinsics.read_via_copy_primitive.LowerIntrinsics.panic-unwind.diff
index 147c48a3c01..781104be290 100644
--- a/tests/mir-opt/lower_intrinsics.read_via_copy_primitive.LowerIntrinsics.panic-unwind.diff
+++ b/tests/mir-opt/lower_intrinsics.read_via_copy_primitive.LowerIntrinsics.panic-unwind.diff
@@ -5,8 +5,6 @@
       debug r => _1;
       let mut _0: i32;
       let mut _2: *const i32;
-      scope 1 {
-      }
   
       bb0: {
           StorageLive(_2);
diff --git a/tests/mir-opt/lower_intrinsics.read_via_copy_uninhabited.LowerIntrinsics.panic-abort.diff b/tests/mir-opt/lower_intrinsics.read_via_copy_uninhabited.LowerIntrinsics.panic-abort.diff
index b2cf3cc1cca..56c357b3776 100644
--- a/tests/mir-opt/lower_intrinsics.read_via_copy_uninhabited.LowerIntrinsics.panic-abort.diff
+++ b/tests/mir-opt/lower_intrinsics.read_via_copy_uninhabited.LowerIntrinsics.panic-abort.diff
@@ -5,8 +5,6 @@
       debug r => _1;
       let mut _0: Never;
       let mut _2: *const Never;
-      scope 1 {
-      }
   
       bb0: {
           StorageLive(_2);
diff --git a/tests/mir-opt/lower_intrinsics.read_via_copy_uninhabited.LowerIntrinsics.panic-unwind.diff b/tests/mir-opt/lower_intrinsics.read_via_copy_uninhabited.LowerIntrinsics.panic-unwind.diff
index b2cf3cc1cca..56c357b3776 100644
--- a/tests/mir-opt/lower_intrinsics.read_via_copy_uninhabited.LowerIntrinsics.panic-unwind.diff
+++ b/tests/mir-opt/lower_intrinsics.read_via_copy_uninhabited.LowerIntrinsics.panic-unwind.diff
@@ -5,8 +5,6 @@
       debug r => _1;
       let mut _0: Never;
       let mut _2: *const Never;
-      scope 1 {
-      }
   
       bb0: {
           StorageLive(_2);
diff --git a/tests/mir-opt/lower_intrinsics.transmute_inhabited.LowerIntrinsics.panic-abort.diff b/tests/mir-opt/lower_intrinsics.transmute_inhabited.LowerIntrinsics.panic-abort.diff
index 3b4051e4ae2..6e542c4b5a7 100644
--- a/tests/mir-opt/lower_intrinsics.transmute_inhabited.LowerIntrinsics.panic-abort.diff
+++ b/tests/mir-opt/lower_intrinsics.transmute_inhabited.LowerIntrinsics.panic-abort.diff
@@ -5,8 +5,6 @@
       debug c => _1;
       let mut _0: i8;
       let mut _2: std::cmp::Ordering;
-      scope 1 {
-      }
   
       bb0: {
           StorageLive(_2);
diff --git a/tests/mir-opt/lower_intrinsics.transmute_inhabited.LowerIntrinsics.panic-unwind.diff b/tests/mir-opt/lower_intrinsics.transmute_inhabited.LowerIntrinsics.panic-unwind.diff
index 3b4051e4ae2..6e542c4b5a7 100644
--- a/tests/mir-opt/lower_intrinsics.transmute_inhabited.LowerIntrinsics.panic-unwind.diff
+++ b/tests/mir-opt/lower_intrinsics.transmute_inhabited.LowerIntrinsics.panic-unwind.diff
@@ -5,8 +5,6 @@
       debug c => _1;
       let mut _0: i8;
       let mut _2: std::cmp::Ordering;
-      scope 1 {
-      }
   
       bb0: {
           StorageLive(_2);
diff --git a/tests/mir-opt/lower_intrinsics.transmute_ref_dst.LowerIntrinsics.panic-abort.diff b/tests/mir-opt/lower_intrinsics.transmute_ref_dst.LowerIntrinsics.panic-abort.diff
index 91276a1b5c4..ab4646370f1 100644
--- a/tests/mir-opt/lower_intrinsics.transmute_ref_dst.LowerIntrinsics.panic-abort.diff
+++ b/tests/mir-opt/lower_intrinsics.transmute_ref_dst.LowerIntrinsics.panic-abort.diff
@@ -5,8 +5,6 @@
       debug u => _1;
       let mut _0: *const T;
       let mut _2: &T;
-      scope 1 {
-      }
   
       bb0: {
           StorageLive(_2);
diff --git a/tests/mir-opt/lower_intrinsics.transmute_ref_dst.LowerIntrinsics.panic-unwind.diff b/tests/mir-opt/lower_intrinsics.transmute_ref_dst.LowerIntrinsics.panic-unwind.diff
index 91276a1b5c4..ab4646370f1 100644
--- a/tests/mir-opt/lower_intrinsics.transmute_ref_dst.LowerIntrinsics.panic-unwind.diff
+++ b/tests/mir-opt/lower_intrinsics.transmute_ref_dst.LowerIntrinsics.panic-unwind.diff
@@ -5,8 +5,6 @@
       debug u => _1;
       let mut _0: *const T;
       let mut _2: &T;
-      scope 1 {
-      }
   
       bb0: {
           StorageLive(_2);
diff --git a/tests/mir-opt/lower_intrinsics.transmute_uninhabited.LowerIntrinsics.panic-abort.diff b/tests/mir-opt/lower_intrinsics.transmute_uninhabited.LowerIntrinsics.panic-abort.diff
index 792c77d575b..6d3ad348988 100644
--- a/tests/mir-opt/lower_intrinsics.transmute_uninhabited.LowerIntrinsics.panic-abort.diff
+++ b/tests/mir-opt/lower_intrinsics.transmute_uninhabited.LowerIntrinsics.panic-abort.diff
@@ -5,8 +5,6 @@
       debug u => _1;
       let mut _0: Never;
       let mut _2: ();
-      scope 1 {
-      }
   
       bb0: {
           StorageLive(_2);
diff --git a/tests/mir-opt/lower_intrinsics.transmute_uninhabited.LowerIntrinsics.panic-unwind.diff b/tests/mir-opt/lower_intrinsics.transmute_uninhabited.LowerIntrinsics.panic-unwind.diff
index 792c77d575b..6d3ad348988 100644
--- a/tests/mir-opt/lower_intrinsics.transmute_uninhabited.LowerIntrinsics.panic-unwind.diff
+++ b/tests/mir-opt/lower_intrinsics.transmute_uninhabited.LowerIntrinsics.panic-unwind.diff
@@ -5,8 +5,6 @@
       debug u => _1;
       let mut _0: Never;
       let mut _2: ();
-      scope 1 {
-      }
   
       bb0: {
           StorageLive(_2);
diff --git a/tests/mir-opt/lower_intrinsics.unreachable.LowerIntrinsics.panic-abort.diff b/tests/mir-opt/lower_intrinsics.unreachable.LowerIntrinsics.panic-abort.diff
index f5646e7f1e9..2b715ac1d63 100644
--- a/tests/mir-opt/lower_intrinsics.unreachable.LowerIntrinsics.panic-abort.diff
+++ b/tests/mir-opt/lower_intrinsics.unreachable.LowerIntrinsics.panic-abort.diff
@@ -5,8 +5,6 @@
       let mut _0: !;
       let _1: ();
       let mut _2: !;
-      scope 1 {
-      }
   
       bb0: {
           StorageLive(_1);
diff --git a/tests/mir-opt/lower_intrinsics.unreachable.LowerIntrinsics.panic-unwind.diff b/tests/mir-opt/lower_intrinsics.unreachable.LowerIntrinsics.panic-unwind.diff
index f5646e7f1e9..2b715ac1d63 100644
--- a/tests/mir-opt/lower_intrinsics.unreachable.LowerIntrinsics.panic-unwind.diff
+++ b/tests/mir-opt/lower_intrinsics.unreachable.LowerIntrinsics.panic-unwind.diff
@@ -5,8 +5,6 @@
       let mut _0: !;
       let _1: ();
       let mut _2: !;
-      scope 1 {
-      }
   
       bb0: {
           StorageLive(_1);
diff --git a/tests/mir-opt/lower_intrinsics.write_via_move_string.LowerIntrinsics.panic-abort.diff b/tests/mir-opt/lower_intrinsics.write_via_move_string.LowerIntrinsics.panic-abort.diff
index ddc8cf9a3d9..cc9177c9002 100644
--- a/tests/mir-opt/lower_intrinsics.write_via_move_string.LowerIntrinsics.panic-abort.diff
+++ b/tests/mir-opt/lower_intrinsics.write_via_move_string.LowerIntrinsics.panic-abort.diff
@@ -7,8 +7,6 @@
       let mut _0: ();
       let mut _3: *mut std::string::String;
       let mut _4: std::string::String;
-      scope 1 {
-      }
   
       bb0: {
           StorageLive(_3);
diff --git a/tests/mir-opt/lower_intrinsics.write_via_move_string.LowerIntrinsics.panic-unwind.diff b/tests/mir-opt/lower_intrinsics.write_via_move_string.LowerIntrinsics.panic-unwind.diff
index ddc8cf9a3d9..cc9177c9002 100644
--- a/tests/mir-opt/lower_intrinsics.write_via_move_string.LowerIntrinsics.panic-unwind.diff
+++ b/tests/mir-opt/lower_intrinsics.write_via_move_string.LowerIntrinsics.panic-unwind.diff
@@ -7,8 +7,6 @@
       let mut _0: ();
       let mut _3: *mut std::string::String;
       let mut _4: std::string::String;
-      scope 1 {
-      }
   
       bb0: {
           StorageLive(_3);
diff --git a/tests/mir-opt/pre-codegen/checked_ops.checked_shl.PreCodegen.after.mir b/tests/mir-opt/pre-codegen/checked_ops.checked_shl.PreCodegen.after.mir
index 656934fce42..845673601b2 100644
--- a/tests/mir-opt/pre-codegen/checked_ops.checked_shl.PreCodegen.after.mir
+++ b/tests/mir-opt/pre-codegen/checked_ops.checked_shl.PreCodegen.after.mir
@@ -21,13 +21,9 @@ fn checked_shl(_1: u32, _2: u32) -> Option<u32> {
                 debug self => _1;
                 debug rhs => _2;
                 let mut _3: u32;
-                scope 5 {
-                    scope 6 (inlined core::num::<impl u32>::unchecked_shl) {
-                        debug self => _1;
-                        debug rhs => _3;
-                        scope 7 {
-                        }
-                    }
+                scope 5 (inlined core::num::<impl u32>::unchecked_shl) {
+                    debug self => _1;
+                    debug rhs => _3;
                 }
             }
         }
diff --git a/tests/mir-opt/pre-codegen/duplicate_switch_targets.ub_if_b.PreCodegen.after.mir b/tests/mir-opt/pre-codegen/duplicate_switch_targets.ub_if_b.PreCodegen.after.mir
index ebe846e8a51..518fedffc16 100644
--- a/tests/mir-opt/pre-codegen/duplicate_switch_targets.ub_if_b.PreCodegen.after.mir
+++ b/tests/mir-opt/pre-codegen/duplicate_switch_targets.ub_if_b.PreCodegen.after.mir
@@ -5,10 +5,8 @@ fn ub_if_b(_1: Thing) -> Thing {
     let mut _0: Thing;
     let mut _2: isize;
     scope 1 (inlined unreachable_unchecked) {
-        scope 2 {
-        }
-        scope 3 (inlined core::ub_checks::check_language_ub) {
-            scope 4 (inlined core::ub_checks::check_language_ub::runtime) {
+        scope 2 (inlined core::ub_checks::check_language_ub) {
+            scope 3 (inlined core::ub_checks::check_language_ub::runtime) {
             }
         }
     }
diff --git a/tests/mir-opt/pre-codegen/loops.int_range.PreCodegen.after.mir b/tests/mir-opt/pre-codegen/loops.int_range.PreCodegen.after.mir
index 0b5ed6ee169..cdb7eea74fb 100644
--- a/tests/mir-opt/pre-codegen/loops.int_range.PreCodegen.after.mir
+++ b/tests/mir-opt/pre-codegen/loops.int_range.PreCodegen.after.mir
@@ -26,10 +26,8 @@ fn int_range(_1: usize, _2: usize) -> () {
                 let mut _12: usize;
                 scope 6 {
                     debug old => _11;
-                    scope 7 {
-                    }
                 }
-                scope 8 (inlined std::cmp::impls::<impl PartialOrd for usize>::lt) {
+                scope 7 (inlined std::cmp::impls::<impl PartialOrd for usize>::lt) {
                     debug self => _6;
                     debug other => _7;
                     let mut _8: usize;
diff --git a/tests/mir-opt/pre-codegen/mem_replace.mem_replace.PreCodegen.after.panic-abort.mir b/tests/mir-opt/pre-codegen/mem_replace.mem_replace.PreCodegen.after.panic-abort.mir
index 26919dd98dd..c744787fce2 100644
--- a/tests/mir-opt/pre-codegen/mem_replace.mem_replace.PreCodegen.after.panic-abort.mir
+++ b/tests/mir-opt/pre-codegen/mem_replace.mem_replace.PreCodegen.after.panic-abort.mir
@@ -8,21 +8,15 @@ fn mem_replace(_1: &mut u32, _2: u32) -> u32 {
         debug dest => _1;
         debug src => _2;
         scope 2 {
-            scope 3 {
-                debug result => _0;
-                scope 6 (inlined std::ptr::write::<u32>) {
-                    debug dst => _1;
-                    debug src => _2;
-                    scope 7 {
-                    }
-                }
-            }
-            scope 4 (inlined std::ptr::read::<u32>) {
-                debug src => _1;
-                scope 5 {
-                }
+            debug result => _0;
+            scope 4 (inlined std::ptr::write::<u32>) {
+                debug dst => _1;
+                debug src => _2;
             }
         }
+        scope 3 (inlined std::ptr::read::<u32>) {
+            debug src => _1;
+        }
     }
 
     bb0: {
diff --git a/tests/mir-opt/pre-codegen/mem_replace.mem_replace.PreCodegen.after.panic-unwind.mir b/tests/mir-opt/pre-codegen/mem_replace.mem_replace.PreCodegen.after.panic-unwind.mir
index 26919dd98dd..c744787fce2 100644
--- a/tests/mir-opt/pre-codegen/mem_replace.mem_replace.PreCodegen.after.panic-unwind.mir
+++ b/tests/mir-opt/pre-codegen/mem_replace.mem_replace.PreCodegen.after.panic-unwind.mir
@@ -8,21 +8,15 @@ fn mem_replace(_1: &mut u32, _2: u32) -> u32 {
         debug dest => _1;
         debug src => _2;
         scope 2 {
-            scope 3 {
-                debug result => _0;
-                scope 6 (inlined std::ptr::write::<u32>) {
-                    debug dst => _1;
-                    debug src => _2;
-                    scope 7 {
-                    }
-                }
-            }
-            scope 4 (inlined std::ptr::read::<u32>) {
-                debug src => _1;
-                scope 5 {
-                }
+            debug result => _0;
+            scope 4 (inlined std::ptr::write::<u32>) {
+                debug dst => _1;
+                debug src => _2;
             }
         }
+        scope 3 (inlined std::ptr::read::<u32>) {
+            debug src => _1;
+        }
     }
 
     bb0: {
diff --git a/tests/mir-opt/pre-codegen/range_iter.forward_loop.PreCodegen.after.panic-abort.mir b/tests/mir-opt/pre-codegen/range_iter.forward_loop.PreCodegen.after.panic-abort.mir
index ed965770adb..002d55ad9d9 100644
--- a/tests/mir-opt/pre-codegen/range_iter.forward_loop.PreCodegen.after.panic-abort.mir
+++ b/tests/mir-opt/pre-codegen/range_iter.forward_loop.PreCodegen.after.panic-abort.mir
@@ -29,10 +29,8 @@ fn forward_loop(_1: u32, _2: u32, _3: impl Fn(u32)) -> () {
                 let mut _13: u32;
                 scope 6 {
                     debug old => _12;
-                    scope 7 {
-                    }
                 }
-                scope 8 (inlined std::cmp::impls::<impl PartialOrd for u32>::lt) {
+                scope 7 (inlined std::cmp::impls::<impl PartialOrd for u32>::lt) {
                     debug self => _7;
                     debug other => _8;
                     let mut _9: u32;
diff --git a/tests/mir-opt/pre-codegen/range_iter.forward_loop.PreCodegen.after.panic-unwind.mir b/tests/mir-opt/pre-codegen/range_iter.forward_loop.PreCodegen.after.panic-unwind.mir
index a7ee9be19bd..d5021ac84d2 100644
--- a/tests/mir-opt/pre-codegen/range_iter.forward_loop.PreCodegen.after.panic-unwind.mir
+++ b/tests/mir-opt/pre-codegen/range_iter.forward_loop.PreCodegen.after.panic-unwind.mir
@@ -29,10 +29,8 @@ fn forward_loop(_1: u32, _2: u32, _3: impl Fn(u32)) -> () {
                 let mut _13: u32;
                 scope 6 {
                     debug old => _12;
-                    scope 7 {
-                    }
                 }
-                scope 8 (inlined std::cmp::impls::<impl PartialOrd for u32>::lt) {
+                scope 7 (inlined std::cmp::impls::<impl PartialOrd for u32>::lt) {
                     debug self => _7;
                     debug other => _8;
                     let mut _9: u32;
diff --git a/tests/mir-opt/pre-codegen/range_iter.range_iter_next.PreCodegen.after.panic-abort.mir b/tests/mir-opt/pre-codegen/range_iter.range_iter_next.PreCodegen.after.panic-abort.mir
index f674f6a3009..7faae1d863c 100644
--- a/tests/mir-opt/pre-codegen/range_iter.range_iter_next.PreCodegen.after.panic-abort.mir
+++ b/tests/mir-opt/pre-codegen/range_iter.range_iter_next.PreCodegen.after.panic-abort.mir
@@ -14,10 +14,8 @@ fn range_iter_next(_1: &mut std::ops::Range<u32>) -> Option<u32> {
             let mut _8: u32;
             scope 3 {
                 debug old => _7;
-                scope 4 {
-                }
             }
-            scope 5 (inlined std::cmp::impls::<impl PartialOrd for u32>::lt) {
+            scope 4 (inlined std::cmp::impls::<impl PartialOrd for u32>::lt) {
                 debug self => _2;
                 debug other => _3;
                 let mut _4: u32;
diff --git a/tests/mir-opt/pre-codegen/range_iter.range_iter_next.PreCodegen.after.panic-unwind.mir b/tests/mir-opt/pre-codegen/range_iter.range_iter_next.PreCodegen.after.panic-unwind.mir
index a5029dcad3a..37f00533b60 100644
--- a/tests/mir-opt/pre-codegen/range_iter.range_iter_next.PreCodegen.after.panic-unwind.mir
+++ b/tests/mir-opt/pre-codegen/range_iter.range_iter_next.PreCodegen.after.panic-unwind.mir
@@ -14,10 +14,8 @@ fn range_iter_next(_1: &mut std::ops::Range<u32>) -> Option<u32> {
             let mut _8: u32;
             scope 3 {
                 debug old => _7;
-                scope 4 {
-                }
             }
-            scope 5 (inlined std::cmp::impls::<impl PartialOrd for u32>::lt) {
+            scope 4 (inlined std::cmp::impls::<impl PartialOrd for u32>::lt) {
                 debug self => _2;
                 debug other => _3;
                 let mut _4: u32;
diff --git a/tests/mir-opt/pre-codegen/slice_index.slice_get_unchecked_mut_range.PreCodegen.after.panic-abort.mir b/tests/mir-opt/pre-codegen/slice_index.slice_get_unchecked_mut_range.PreCodegen.after.panic-abort.mir
index bcc540ae6fc..e5490955a36 100644
--- a/tests/mir-opt/pre-codegen/slice_index.slice_get_unchecked_mut_range.PreCodegen.after.panic-abort.mir
+++ b/tests/mir-opt/pre-codegen/slice_index.slice_get_unchecked_mut_range.PreCodegen.after.panic-abort.mir
@@ -9,8 +9,6 @@ fn slice_get_unchecked_mut_range(_1: &mut [u32], _2: std::ops::Range<usize>) ->
         debug index => _2;
         let mut _3: *mut [u32];
         let mut _4: *mut [u32];
-        scope 2 {
-        }
     }
 
     bb0: {
diff --git a/tests/mir-opt/pre-codegen/slice_index.slice_get_unchecked_mut_range.PreCodegen.after.panic-unwind.mir b/tests/mir-opt/pre-codegen/slice_index.slice_get_unchecked_mut_range.PreCodegen.after.panic-unwind.mir
index 1fe7da7d2fd..810fee9a149 100644
--- a/tests/mir-opt/pre-codegen/slice_index.slice_get_unchecked_mut_range.PreCodegen.after.panic-unwind.mir
+++ b/tests/mir-opt/pre-codegen/slice_index.slice_get_unchecked_mut_range.PreCodegen.after.panic-unwind.mir
@@ -9,8 +9,6 @@ fn slice_get_unchecked_mut_range(_1: &mut [u32], _2: std::ops::Range<usize>) ->
         debug index => _2;
         let mut _3: *mut [u32];
         let mut _4: *mut [u32];
-        scope 2 {
-        }
     }
 
     bb0: {
diff --git a/tests/mir-opt/pre-codegen/slice_iter.enumerated_loop.PreCodegen.after.panic-abort.mir b/tests/mir-opt/pre-codegen/slice_iter.enumerated_loop.PreCodegen.after.panic-abort.mir
index f698e15d302..1ec85906385 100644
--- a/tests/mir-opt/pre-codegen/slice_iter.enumerated_loop.PreCodegen.after.panic-abort.mir
+++ b/tests/mir-opt/pre-codegen/slice_iter.enumerated_loop.PreCodegen.after.panic-abort.mir
@@ -37,52 +37,42 @@ fn enumerated_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () {
                 let _7: std::ptr::NonNull<T>;
                 scope 6 {
                     debug ptr => _7;
+                    let _11: *const T;
                     scope 7 {
-                        let _11: *const T;
-                        scope 8 {
-                            debug end_or_len => _11;
-                        }
-                        scope 14 (inlined without_provenance::<T>) {
-                            debug addr => _3;
-                            scope 15 {
-                            }
-                        }
-                        scope 16 (inlined NonNull::<T>::as_ptr) {
-                            debug self => _7;
-                        }
-                        scope 17 (inlined std::ptr::mut_ptr::<impl *mut T>::add) {
-                            debug self => _9;
-                            debug count => _3;
-                            scope 18 {
-                            }
-                        }
+                        debug end_or_len => _11;
+                    }
+                    scope 11 (inlined without_provenance::<T>) {
+                        debug addr => _3;
+                    }
+                    scope 12 (inlined NonNull::<T>::as_ptr) {
+                        debug self => _7;
+                    }
+                    scope 13 (inlined std::ptr::mut_ptr::<impl *mut T>::add) {
+                        debug self => _9;
+                        debug count => _3;
                     }
                 }
-                scope 9 (inlined <NonNull<[T]> as From<&[T]>>::from) {
+                scope 8 (inlined <NonNull<[T]> as From<&[T]>>::from) {
                     debug reference => _1;
                     let mut _4: *const [T];
-                    scope 10 {
-                    }
                 }
-                scope 11 (inlined NonNull::<[T]>::cast::<T>) {
+                scope 9 (inlined NonNull::<[T]>::cast::<T>) {
                     debug self => _5;
                     let mut _6: *const T;
-                    scope 12 {
-                        scope 13 (inlined NonNull::<[T]>::as_ptr) {
-                            debug self => _5;
-                        }
+                    scope 10 (inlined NonNull::<[T]>::as_ptr) {
+                        debug self => _5;
                     }
                 }
             }
         }
     }
-    scope 19 (inlined <std::slice::Iter<'_, T> as Iterator>::enumerate) {
+    scope 14 (inlined <std::slice::Iter<'_, T> as Iterator>::enumerate) {
         debug self => _13;
-        scope 20 (inlined Enumerate::<std::slice::Iter<'_, T>>::new) {
+        scope 15 (inlined Enumerate::<std::slice::Iter<'_, T>>::new) {
             debug iter => _13;
         }
     }
-    scope 21 (inlined <Enumerate<std::slice::Iter<'_, T>> as IntoIterator>::into_iter) {
+    scope 16 (inlined <Enumerate<std::slice::Iter<'_, T>> as IntoIterator>::into_iter) {
         debug self => _14;
     }
 
diff --git a/tests/mir-opt/pre-codegen/slice_iter.enumerated_loop.PreCodegen.after.panic-unwind.mir b/tests/mir-opt/pre-codegen/slice_iter.enumerated_loop.PreCodegen.after.panic-unwind.mir
index eae9f5909e6..70cdf3f41c2 100644
--- a/tests/mir-opt/pre-codegen/slice_iter.enumerated_loop.PreCodegen.after.panic-unwind.mir
+++ b/tests/mir-opt/pre-codegen/slice_iter.enumerated_loop.PreCodegen.after.panic-unwind.mir
@@ -37,52 +37,42 @@ fn enumerated_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () {
                 let _7: std::ptr::NonNull<T>;
                 scope 6 {
                     debug ptr => _7;
+                    let _11: *const T;
                     scope 7 {
-                        let _11: *const T;
-                        scope 8 {
-                            debug end_or_len => _11;
-                        }
-                        scope 14 (inlined without_provenance::<T>) {
-                            debug addr => _3;
-                            scope 15 {
-                            }
-                        }
-                        scope 16 (inlined NonNull::<T>::as_ptr) {
-                            debug self => _7;
-                        }
-                        scope 17 (inlined std::ptr::mut_ptr::<impl *mut T>::add) {
-                            debug self => _9;
-                            debug count => _3;
-                            scope 18 {
-                            }
-                        }
+                        debug end_or_len => _11;
+                    }
+                    scope 11 (inlined without_provenance::<T>) {
+                        debug addr => _3;
+                    }
+                    scope 12 (inlined NonNull::<T>::as_ptr) {
+                        debug self => _7;
+                    }
+                    scope 13 (inlined std::ptr::mut_ptr::<impl *mut T>::add) {
+                        debug self => _9;
+                        debug count => _3;
                     }
                 }
-                scope 9 (inlined <NonNull<[T]> as From<&[T]>>::from) {
+                scope 8 (inlined <NonNull<[T]> as From<&[T]>>::from) {
                     debug reference => _1;
                     let mut _4: *const [T];
-                    scope 10 {
-                    }
                 }
-                scope 11 (inlined NonNull::<[T]>::cast::<T>) {
+                scope 9 (inlined NonNull::<[T]>::cast::<T>) {
                     debug self => _5;
                     let mut _6: *const T;
-                    scope 12 {
-                        scope 13 (inlined NonNull::<[T]>::as_ptr) {
-                            debug self => _5;
-                        }
+                    scope 10 (inlined NonNull::<[T]>::as_ptr) {
+                        debug self => _5;
                     }
                 }
             }
         }
     }
-    scope 19 (inlined <std::slice::Iter<'_, T> as Iterator>::enumerate) {
+    scope 14 (inlined <std::slice::Iter<'_, T> as Iterator>::enumerate) {
         debug self => _13;
-        scope 20 (inlined Enumerate::<std::slice::Iter<'_, T>>::new) {
+        scope 15 (inlined Enumerate::<std::slice::Iter<'_, T>>::new) {
             debug iter => _13;
         }
     }
-    scope 21 (inlined <Enumerate<std::slice::Iter<'_, T>> as IntoIterator>::into_iter) {
+    scope 16 (inlined <Enumerate<std::slice::Iter<'_, T>> as IntoIterator>::into_iter) {
         debug self => _14;
     }
 
diff --git a/tests/mir-opt/pre-codegen/slice_iter.forward_loop.PreCodegen.after.panic-abort.mir b/tests/mir-opt/pre-codegen/slice_iter.forward_loop.PreCodegen.after.panic-abort.mir
index 158ae0de890..d8252e7267a 100644
--- a/tests/mir-opt/pre-codegen/slice_iter.forward_loop.PreCodegen.after.panic-abort.mir
+++ b/tests/mir-opt/pre-codegen/slice_iter.forward_loop.PreCodegen.after.panic-abort.mir
@@ -34,46 +34,36 @@ fn forward_loop(_1: &[T], _2: impl Fn(&T)) -> () {
                 let _7: std::ptr::NonNull<T>;
                 scope 6 {
                     debug ptr => _7;
+                    let _11: *const T;
                     scope 7 {
-                        let _11: *const T;
-                        scope 8 {
-                            debug end_or_len => _11;
-                        }
-                        scope 14 (inlined without_provenance::<T>) {
-                            debug addr => _3;
-                            scope 15 {
-                            }
-                        }
-                        scope 16 (inlined NonNull::<T>::as_ptr) {
-                            debug self => _7;
-                        }
-                        scope 17 (inlined std::ptr::mut_ptr::<impl *mut T>::add) {
-                            debug self => _9;
-                            debug count => _3;
-                            scope 18 {
-                            }
-                        }
+                        debug end_or_len => _11;
+                    }
+                    scope 11 (inlined without_provenance::<T>) {
+                        debug addr => _3;
+                    }
+                    scope 12 (inlined NonNull::<T>::as_ptr) {
+                        debug self => _7;
+                    }
+                    scope 13 (inlined std::ptr::mut_ptr::<impl *mut T>::add) {
+                        debug self => _9;
+                        debug count => _3;
                     }
                 }
-                scope 9 (inlined <NonNull<[T]> as From<&[T]>>::from) {
+                scope 8 (inlined <NonNull<[T]> as From<&[T]>>::from) {
                     debug reference => _1;
                     let mut _4: *const [T];
-                    scope 10 {
-                    }
                 }
-                scope 11 (inlined NonNull::<[T]>::cast::<T>) {
+                scope 9 (inlined NonNull::<[T]>::cast::<T>) {
                     debug self => _5;
                     let mut _6: *const T;
-                    scope 12 {
-                        scope 13 (inlined NonNull::<[T]>::as_ptr) {
-                            debug self => _5;
-                        }
+                    scope 10 (inlined NonNull::<[T]>::as_ptr) {
+                        debug self => _5;
                     }
                 }
             }
         }
     }
-    scope 19 (inlined <std::slice::Iter<'_, T> as IntoIterator>::into_iter) {
+    scope 14 (inlined <std::slice::Iter<'_, T> as IntoIterator>::into_iter) {
         debug self => _13;
     }
 
diff --git a/tests/mir-opt/pre-codegen/slice_iter.forward_loop.PreCodegen.after.panic-unwind.mir b/tests/mir-opt/pre-codegen/slice_iter.forward_loop.PreCodegen.after.panic-unwind.mir
index ac9e31a0da8..b3904dc70a6 100644
--- a/tests/mir-opt/pre-codegen/slice_iter.forward_loop.PreCodegen.after.panic-unwind.mir
+++ b/tests/mir-opt/pre-codegen/slice_iter.forward_loop.PreCodegen.after.panic-unwind.mir
@@ -34,46 +34,36 @@ fn forward_loop(_1: &[T], _2: impl Fn(&T)) -> () {
                 let _7: std::ptr::NonNull<T>;
                 scope 6 {
                     debug ptr => _7;
+                    let _11: *const T;
                     scope 7 {
-                        let _11: *const T;
-                        scope 8 {
-                            debug end_or_len => _11;
-                        }
-                        scope 14 (inlined without_provenance::<T>) {
-                            debug addr => _3;
-                            scope 15 {
-                            }
-                        }
-                        scope 16 (inlined NonNull::<T>::as_ptr) {
-                            debug self => _7;
-                        }
-                        scope 17 (inlined std::ptr::mut_ptr::<impl *mut T>::add) {
-                            debug self => _9;
-                            debug count => _3;
-                            scope 18 {
-                            }
-                        }
+                        debug end_or_len => _11;
+                    }
+                    scope 11 (inlined without_provenance::<T>) {
+                        debug addr => _3;
+                    }
+                    scope 12 (inlined NonNull::<T>::as_ptr) {
+                        debug self => _7;
+                    }
+                    scope 13 (inlined std::ptr::mut_ptr::<impl *mut T>::add) {
+                        debug self => _9;
+                        debug count => _3;
                     }
                 }
-                scope 9 (inlined <NonNull<[T]> as From<&[T]>>::from) {
+                scope 8 (inlined <NonNull<[T]> as From<&[T]>>::from) {
                     debug reference => _1;
                     let mut _4: *const [T];
-                    scope 10 {
-                    }
                 }
-                scope 11 (inlined NonNull::<[T]>::cast::<T>) {
+                scope 9 (inlined NonNull::<[T]>::cast::<T>) {
                     debug self => _5;
                     let mut _6: *const T;
-                    scope 12 {
-                        scope 13 (inlined NonNull::<[T]>::as_ptr) {
-                            debug self => _5;
-                        }
+                    scope 10 (inlined NonNull::<[T]>::as_ptr) {
+                        debug self => _5;
                     }
                 }
             }
         }
     }
-    scope 19 (inlined <std::slice::Iter<'_, T> as IntoIterator>::into_iter) {
+    scope 14 (inlined <std::slice::Iter<'_, T> as IntoIterator>::into_iter) {
         debug self => _13;
     }
 
diff --git a/tests/mir-opt/pre-codegen/slice_iter.range_loop.PreCodegen.after.panic-abort.mir b/tests/mir-opt/pre-codegen/slice_iter.range_loop.PreCodegen.after.panic-abort.mir
index 543e8918e39..5ab88c9b855 100644
--- a/tests/mir-opt/pre-codegen/slice_iter.range_loop.PreCodegen.after.panic-abort.mir
+++ b/tests/mir-opt/pre-codegen/slice_iter.range_loop.PreCodegen.after.panic-abort.mir
@@ -35,10 +35,8 @@ fn range_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () {
                 let mut _13: usize;
                 scope 7 {
                     debug old => _12;
-                    scope 8 {
-                    }
                 }
-                scope 9 (inlined std::cmp::impls::<impl PartialOrd for usize>::lt) {
+                scope 8 (inlined std::cmp::impls::<impl PartialOrd for usize>::lt) {
                     debug self => _7;
                     debug other => _8;
                     let mut _9: usize;
diff --git a/tests/mir-opt/pre-codegen/slice_iter.range_loop.PreCodegen.after.panic-unwind.mir b/tests/mir-opt/pre-codegen/slice_iter.range_loop.PreCodegen.after.panic-unwind.mir
index a16e9cd9e51..513651090a8 100644
--- a/tests/mir-opt/pre-codegen/slice_iter.range_loop.PreCodegen.after.panic-unwind.mir
+++ b/tests/mir-opt/pre-codegen/slice_iter.range_loop.PreCodegen.after.panic-unwind.mir
@@ -35,10 +35,8 @@ fn range_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () {
                 let mut _13: usize;
                 scope 7 {
                     debug old => _12;
-                    scope 8 {
-                    }
                 }
-                scope 9 (inlined std::cmp::impls::<impl PartialOrd for usize>::lt) {
+                scope 8 (inlined std::cmp::impls::<impl PartialOrd for usize>::lt) {
                     debug self => _7;
                     debug other => _8;
                     let mut _9: usize;
diff --git a/tests/mir-opt/pre-codegen/slice_iter.reverse_loop.PreCodegen.after.panic-abort.mir b/tests/mir-opt/pre-codegen/slice_iter.reverse_loop.PreCodegen.after.panic-abort.mir
index 9550df012f8..091c8a0e968 100644
--- a/tests/mir-opt/pre-codegen/slice_iter.reverse_loop.PreCodegen.after.panic-abort.mir
+++ b/tests/mir-opt/pre-codegen/slice_iter.reverse_loop.PreCodegen.after.panic-abort.mir
@@ -19,7 +19,7 @@ fn reverse_loop(_1: &[T], _2: impl Fn(&T)) -> () {
         scope 2 {
             debug x => _20;
         }
-        scope 22 (inlined <Rev<std::slice::Iter<'_, T>> as Iterator>::next) {
+        scope 17 (inlined <Rev<std::slice::Iter<'_, T>> as Iterator>::next) {
             debug self => _16;
             let mut _17: &mut std::slice::Iter<'_, T>;
         }
@@ -39,52 +39,42 @@ fn reverse_loop(_1: &[T], _2: impl Fn(&T)) -> () {
                 let _7: std::ptr::NonNull<T>;
                 scope 6 {
                     debug ptr => _7;
+                    let _11: *const T;
                     scope 7 {
-                        let _11: *const T;
-                        scope 8 {
-                            debug end_or_len => _11;
-                        }
-                        scope 14 (inlined without_provenance::<T>) {
-                            debug addr => _3;
-                            scope 15 {
-                            }
-                        }
-                        scope 16 (inlined NonNull::<T>::as_ptr) {
-                            debug self => _7;
-                        }
-                        scope 17 (inlined std::ptr::mut_ptr::<impl *mut T>::add) {
-                            debug self => _9;
-                            debug count => _3;
-                            scope 18 {
-                            }
-                        }
+                        debug end_or_len => _11;
+                    }
+                    scope 11 (inlined without_provenance::<T>) {
+                        debug addr => _3;
+                    }
+                    scope 12 (inlined NonNull::<T>::as_ptr) {
+                        debug self => _7;
+                    }
+                    scope 13 (inlined std::ptr::mut_ptr::<impl *mut T>::add) {
+                        debug self => _9;
+                        debug count => _3;
                     }
                 }
-                scope 9 (inlined <NonNull<[T]> as From<&[T]>>::from) {
+                scope 8 (inlined <NonNull<[T]> as From<&[T]>>::from) {
                     debug reference => _1;
                     let mut _4: *const [T];
-                    scope 10 {
-                    }
                 }
-                scope 11 (inlined NonNull::<[T]>::cast::<T>) {
+                scope 9 (inlined NonNull::<[T]>::cast::<T>) {
                     debug self => _5;
                     let mut _6: *const T;
-                    scope 12 {
-                        scope 13 (inlined NonNull::<[T]>::as_ptr) {
-                            debug self => _5;
-                        }
+                    scope 10 (inlined NonNull::<[T]>::as_ptr) {
+                        debug self => _5;
                     }
                 }
             }
         }
     }
-    scope 19 (inlined <std::slice::Iter<'_, T> as Iterator>::rev) {
+    scope 14 (inlined <std::slice::Iter<'_, T> as Iterator>::rev) {
         debug self => _13;
-        scope 20 (inlined Rev::<std::slice::Iter<'_, T>>::new) {
+        scope 15 (inlined Rev::<std::slice::Iter<'_, T>>::new) {
             debug iter => _13;
         }
     }
-    scope 21 (inlined <Rev<std::slice::Iter<'_, T>> as IntoIterator>::into_iter) {
+    scope 16 (inlined <Rev<std::slice::Iter<'_, T>> as IntoIterator>::into_iter) {
         debug self => _14;
     }
 
diff --git a/tests/mir-opt/pre-codegen/slice_iter.reverse_loop.PreCodegen.after.panic-unwind.mir b/tests/mir-opt/pre-codegen/slice_iter.reverse_loop.PreCodegen.after.panic-unwind.mir
index d75aabd12fc..1873d452f34 100644
--- a/tests/mir-opt/pre-codegen/slice_iter.reverse_loop.PreCodegen.after.panic-unwind.mir
+++ b/tests/mir-opt/pre-codegen/slice_iter.reverse_loop.PreCodegen.after.panic-unwind.mir
@@ -19,7 +19,7 @@ fn reverse_loop(_1: &[T], _2: impl Fn(&T)) -> () {
         scope 2 {
             debug x => _20;
         }
-        scope 22 (inlined <Rev<std::slice::Iter<'_, T>> as Iterator>::next) {
+        scope 17 (inlined <Rev<std::slice::Iter<'_, T>> as Iterator>::next) {
             debug self => _16;
             let mut _17: &mut std::slice::Iter<'_, T>;
         }
@@ -39,52 +39,42 @@ fn reverse_loop(_1: &[T], _2: impl Fn(&T)) -> () {
                 let _7: std::ptr::NonNull<T>;
                 scope 6 {
                     debug ptr => _7;
+                    let _11: *const T;
                     scope 7 {
-                        let _11: *const T;
-                        scope 8 {
-                            debug end_or_len => _11;
-                        }
-                        scope 14 (inlined without_provenance::<T>) {
-                            debug addr => _3;
-                            scope 15 {
-                            }
-                        }
-                        scope 16 (inlined NonNull::<T>::as_ptr) {
-                            debug self => _7;
-                        }
-                        scope 17 (inlined std::ptr::mut_ptr::<impl *mut T>::add) {
-                            debug self => _9;
-                            debug count => _3;
-                            scope 18 {
-                            }
-                        }
+                        debug end_or_len => _11;
+                    }
+                    scope 11 (inlined without_provenance::<T>) {
+                        debug addr => _3;
+                    }
+                    scope 12 (inlined NonNull::<T>::as_ptr) {
+                        debug self => _7;
+                    }
+                    scope 13 (inlined std::ptr::mut_ptr::<impl *mut T>::add) {
+                        debug self => _9;
+                        debug count => _3;
                     }
                 }
-                scope 9 (inlined <NonNull<[T]> as From<&[T]>>::from) {
+                scope 8 (inlined <NonNull<[T]> as From<&[T]>>::from) {
                     debug reference => _1;
                     let mut _4: *const [T];
-                    scope 10 {
-                    }
                 }
-                scope 11 (inlined NonNull::<[T]>::cast::<T>) {
+                scope 9 (inlined NonNull::<[T]>::cast::<T>) {
                     debug self => _5;
                     let mut _6: *const T;
-                    scope 12 {
-                        scope 13 (inlined NonNull::<[T]>::as_ptr) {
-                            debug self => _5;
-                        }
+                    scope 10 (inlined NonNull::<[T]>::as_ptr) {
+                        debug self => _5;
                     }
                 }
             }
         }
     }
-    scope 19 (inlined <std::slice::Iter<'_, T> as Iterator>::rev) {
+    scope 14 (inlined <std::slice::Iter<'_, T> as Iterator>::rev) {
         debug self => _13;
-        scope 20 (inlined Rev::<std::slice::Iter<'_, T>>::new) {
+        scope 15 (inlined Rev::<std::slice::Iter<'_, T>>::new) {
             debug iter => _13;
         }
     }
-    scope 21 (inlined <Rev<std::slice::Iter<'_, T>> as IntoIterator>::into_iter) {
+    scope 16 (inlined <Rev<std::slice::Iter<'_, T>> as IntoIterator>::into_iter) {
         debug self => _14;
     }
 
diff --git a/tests/mir-opt/reference_prop.mut_raw_then_mut_shr.ReferencePropagation.diff b/tests/mir-opt/reference_prop.mut_raw_then_mut_shr.ReferencePropagation.diff
index 747028e128f..859097d3966 100644
--- a/tests/mir-opt/reference_prop.mut_raw_then_mut_shr.ReferencePropagation.diff
+++ b/tests/mir-opt/reference_prop.mut_raw_then_mut_shr.ReferencePropagation.diff
@@ -25,8 +25,6 @@
                       let _7: i32;
                       scope 5 {
                           debug a => _7;
-                          scope 6 {
-                          }
                       }
                   }
               }
diff --git a/tests/mir-opt/reference_prop.reference_propagation_const_ptr.ReferencePropagation.diff b/tests/mir-opt/reference_prop.reference_propagation_const_ptr.ReferencePropagation.diff
index ce5ddbfdd12..1e6a168f756 100644
--- a/tests/mir-opt/reference_prop.reference_propagation_const_ptr.ReferencePropagation.diff
+++ b/tests/mir-opt/reference_prop.reference_propagation_const_ptr.ReferencePropagation.diff
@@ -6,218 +6,196 @@
       debug multiple => _2;
       let mut _0: ();
       let _3: ();
+      let _4: usize;
       let _7: ();
       let mut _8: ();
       let _9: ();
+      let _10: usize;
       let mut _13: *const usize;
       let _15: ();
       let mut _16: ();
       let _17: ();
+      let _18: usize;
       let _22: ();
       let mut _23: &*const usize;
       let _24: ();
+      let _25: usize;
       let _29: ();
       let mut _30: *mut *const usize;
       let _31: ();
+      let _32: usize;
       let _35: ();
       let mut _36: *const usize;
       let _37: ();
+      let _38: usize;
       let _44: ();
       let mut _45: *const usize;
       let _46: ();
+      let _47: *const T;
       let _49: ();
       let mut _50: ();
       let _51: ();
+      let _52: *const T;
       let mut _53: *const T;
       let _55: ();
       let mut _56: ();
       let _57: ();
+      let _58: usize;
       let _62: ();
       let mut _63: ();
       let _64: ();
+      let _65: usize;
       let _69: ();
       let mut _70: ();
+      let _71: usize;
       let _75: ();
       let mut _76: ();
       scope 1 {
-          let _4: usize;
+          debug a => _4;
+          let _5: *const usize;
           scope 2 {
-              debug a => _4;
-              let _5: *const usize;
+              debug b => _5;
+              let _6: usize;
               scope 3 {
-                  debug b => _5;
-                  let _6: usize;
-                  scope 4 {
-                      debug c => _6;
-                  }
+                  debug c => _6;
               }
           }
       }
-      scope 5 {
-          let _10: usize;
-          scope 6 {
-              debug a => _10;
-              let _11: usize;
-              scope 7 {
-                  debug a2 => _11;
-                  let mut _12: *const usize;
-                  scope 8 {
-                      debug b => _12;
-                      let _14: usize;
-                      scope 9 {
-                          debug c => _14;
-                      }
+      scope 4 {
+          debug a => _10;
+          let _11: usize;
+          scope 5 {
+              debug a2 => _11;
+              let mut _12: *const usize;
+              scope 6 {
+                  debug b => _12;
+                  let _14: usize;
+                  scope 7 {
+                      debug c => _14;
                   }
               }
           }
       }
-      scope 10 {
-          let _18: usize;
-          scope 11 {
-              debug a => _18;
-              let _19: *const usize;
-              scope 12 {
-                  debug b => _19;
-                  let _20: &*const usize;
-                  scope 13 {
-                      debug d => _20;
-                      let _21: usize;
-                      scope 14 {
-                          debug c => _21;
-                      }
+      scope 8 {
+          debug a => _18;
+          let _19: *const usize;
+          scope 9 {
+              debug b => _19;
+              let _20: &*const usize;
+              scope 10 {
+                  debug d => _20;
+                  let _21: usize;
+                  scope 11 {
+                      debug c => _21;
                   }
               }
           }
       }
-      scope 15 {
-          let _25: usize;
-          scope 16 {
-              debug a => _25;
-              let mut _26: *const usize;
-              scope 17 {
-                  debug b => _26;
-                  let _27: *mut *const usize;
-                  scope 18 {
-                      debug d => _27;
-                      let _28: usize;
-                      scope 19 {
-                          debug c => _28;
-                      }
+      scope 12 {
+          debug a => _25;
+          let mut _26: *const usize;
+          scope 13 {
+              debug b => _26;
+              let _27: *mut *const usize;
+              scope 14 {
+                  debug d => _27;
+                  let _28: usize;
+                  scope 15 {
+                      debug c => _28;
                   }
               }
           }
       }
-      scope 20 {
-          let _32: usize;
-          scope 21 {
-              debug a => _32;
-              let _33: *const usize;
-              scope 22 {
-                  debug b => _33;
-                  let _34: usize;
-                  scope 23 {
-                      debug c => _34;
-                  }
+      scope 16 {
+          debug a => _32;
+          let _33: *const usize;
+          scope 17 {
+              debug b => _33;
+              let _34: usize;
+              scope 18 {
+                  debug c => _34;
               }
           }
       }
-      scope 24 {
-          let _38: usize;
-          scope 25 {
-              debug a => _38;
-              let _39: *const usize;
-              scope 26 {
-                  debug b1 => _39;
-                  let _40: usize;
-                  scope 27 {
-                      debug c => _40;
-                      let _41: *const usize;
-                      scope 28 {
-                          debug b2 => _41;
-                          let _42: usize;
-                          scope 29 {
-                              debug c2 => _42;
-                              let _43: *const usize;
-                              scope 30 {
-                                  debug b3 => _43;
-                              }
+      scope 19 {
+          debug a => _38;
+          let _39: *const usize;
+          scope 20 {
+              debug b1 => _39;
+              let _40: usize;
+              scope 21 {
+                  debug c => _40;
+                  let _41: *const usize;
+                  scope 22 {
+                      debug b2 => _41;
+                      let _42: usize;
+                      scope 23 {
+                          debug c2 => _42;
+                          let _43: *const usize;
+                          scope 24 {
+                              debug b3 => _43;
                           }
                       }
                   }
               }
           }
       }
-      scope 31 {
-          let _47: *const T;
-          scope 32 {
--             debug a => _47;
-+             debug a => _1;
-              let _48: T;
-              scope 33 {
-                  debug b => _48;
-              }
+      scope 25 {
+-         debug a => _47;
++         debug a => _1;
+          let _48: T;
+          scope 26 {
+              debug b => _48;
           }
       }
-      scope 34 {
-          let _52: *const T;
-          scope 35 {
-              debug a => _52;
-              let _54: T;
-              scope 36 {
-                  debug b => _54;
-              }
+      scope 27 {
+          debug a => _52;
+          let _54: T;
+          scope 28 {
+              debug b => _54;
           }
       }
-      scope 37 {
-          let _58: usize;
-          scope 38 {
-              debug a => _58;
-              let _59: *const usize;
-              scope 39 {
-                  debug b => _59;
-                  let _60: *const usize;
-                  scope 40 {
-                      debug c => _60;
-                      let _61: usize;
-                      scope 41 {
-                          debug e => _61;
-                      }
+      scope 29 {
+          debug a => _58;
+          let _59: *const usize;
+          scope 30 {
+              debug b => _59;
+              let _60: *const usize;
+              scope 31 {
+                  debug c => _60;
+                  let _61: usize;
+                  scope 32 {
+                      debug e => _61;
                   }
               }
           }
       }
-      scope 42 {
-          let _65: usize;
-          scope 43 {
-              debug a => _65;
-              let _66: *const usize;
-              scope 44 {
-                  debug b => _66;
-                  let _67: &*const usize;
-                  scope 45 {
-                      debug d => _67;
-                      let _68: usize;
-                      scope 46 {
-                          debug c => _68;
-                      }
+      scope 33 {
+          debug a => _65;
+          let _66: *const usize;
+          scope 34 {
+              debug b => _66;
+              let _67: &*const usize;
+              scope 35 {
+                  debug d => _67;
+                  let _68: usize;
+                  scope 36 {
+                      debug c => _68;
                   }
               }
           }
       }
-      scope 47 {
-          let _71: usize;
-          scope 48 {
-              debug a => _71;
-              let mut _72: *const usize;
-              scope 49 {
-                  debug b => _72;
-                  let _73: &mut *const usize;
-                  scope 50 {
-                      debug d => _73;
-                      let _74: usize;
-                      scope 51 {
-                          debug c => _74;
-                      }
+      scope 37 {
+          debug a => _71;
+          let mut _72: *const usize;
+          scope 38 {
+              debug b => _72;
+              let _73: &mut *const usize;
+              scope 39 {
+                  debug d => _73;
+                  let _74: usize;
+                  scope 40 {
+                      debug c => _74;
                   }
               }
           }
diff --git a/tests/mir-opt/reference_prop.reference_propagation_mut_ptr.ReferencePropagation.diff b/tests/mir-opt/reference_prop.reference_propagation_mut_ptr.ReferencePropagation.diff
index b6b2acc0b43..5629d04f1b1 100644
--- a/tests/mir-opt/reference_prop.reference_propagation_mut_ptr.ReferencePropagation.diff
+++ b/tests/mir-opt/reference_prop.reference_propagation_mut_ptr.ReferencePropagation.diff
@@ -6,197 +6,177 @@
       debug multiple => _2;
       let mut _0: ();
       let _3: ();
+      let mut _4: usize;
       let _7: ();
       let mut _8: ();
       let _9: ();
+      let mut _10: usize;
       let mut _13: *mut usize;
       let _15: ();
       let mut _16: ();
       let _17: ();
+      let mut _18: usize;
       let _22: ();
       let mut _23: &*mut usize;
       let _24: ();
+      let mut _25: usize;
       let _29: ();
       let mut _30: *mut *mut usize;
       let _31: ();
+      let mut _32: usize;
       let _35: ();
       let mut _36: *mut usize;
       let _37: ();
+      let mut _38: usize;
       let _44: ();
       let mut _45: *mut usize;
       let _46: ();
+      let _47: *mut T;
       let _49: ();
       let mut _50: ();
       let _51: ();
+      let _52: *mut T;
       let mut _53: *mut T;
       let _55: ();
       let mut _56: ();
       let _57: ();
+      let mut _58: usize;
       let _62: ();
       let mut _63: ();
+      let mut _64: usize;
       let _68: ();
       let mut _69: ();
       scope 1 {
-          let mut _4: usize;
+          debug a => _4;
+          let _5: *mut usize;
           scope 2 {
-              debug a => _4;
-              let _5: *mut usize;
+              debug b => _5;
+              let _6: usize;
               scope 3 {
-                  debug b => _5;
-                  let _6: usize;
-                  scope 4 {
-                      debug c => _6;
-                  }
+                  debug c => _6;
               }
           }
       }
-      scope 5 {
-          let mut _10: usize;
-          scope 6 {
-              debug a => _10;
-              let mut _11: usize;
-              scope 7 {
-                  debug a2 => _11;
-                  let mut _12: *mut usize;
-                  scope 8 {
-                      debug b => _12;
-                      let _14: usize;
-                      scope 9 {
-                          debug c => _14;
-                      }
+      scope 4 {
+          debug a => _10;
+          let mut _11: usize;
+          scope 5 {
+              debug a2 => _11;
+              let mut _12: *mut usize;
+              scope 6 {
+                  debug b => _12;
+                  let _14: usize;
+                  scope 7 {
+                      debug c => _14;
                   }
               }
           }
       }
-      scope 10 {
-          let mut _18: usize;
-          scope 11 {
-              debug a => _18;
-              let _19: *mut usize;
-              scope 12 {
-                  debug b => _19;
-                  let _20: &*mut usize;
-                  scope 13 {
-                      debug d => _20;
-                      let _21: usize;
-                      scope 14 {
-                          debug c => _21;
-                      }
+      scope 8 {
+          debug a => _18;
+          let _19: *mut usize;
+          scope 9 {
+              debug b => _19;
+              let _20: &*mut usize;
+              scope 10 {
+                  debug d => _20;
+                  let _21: usize;
+                  scope 11 {
+                      debug c => _21;
                   }
               }
           }
       }
-      scope 15 {
-          let mut _25: usize;
-          scope 16 {
-              debug a => _25;
-              let mut _26: *mut usize;
-              scope 17 {
-                  debug b => _26;
-                  let _27: *mut *mut usize;
-                  scope 18 {
-                      debug d => _27;
-                      let _28: usize;
-                      scope 19 {
-                          debug c => _28;
-                      }
+      scope 12 {
+          debug a => _25;
+          let mut _26: *mut usize;
+          scope 13 {
+              debug b => _26;
+              let _27: *mut *mut usize;
+              scope 14 {
+                  debug d => _27;
+                  let _28: usize;
+                  scope 15 {
+                      debug c => _28;
                   }
               }
           }
       }
-      scope 20 {
-          let mut _32: usize;
-          scope 21 {
-              debug a => _32;
-              let _33: *mut usize;
-              scope 22 {
-                  debug b => _33;
-                  let _34: usize;
-                  scope 23 {
-                      debug c => _34;
-                  }
+      scope 16 {
+          debug a => _32;
+          let _33: *mut usize;
+          scope 17 {
+              debug b => _33;
+              let _34: usize;
+              scope 18 {
+                  debug c => _34;
               }
           }
       }
-      scope 24 {
-          let mut _38: usize;
-          scope 25 {
-              debug a => _38;
-              let _39: *mut usize;
-              scope 26 {
-                  debug b1 => _39;
-                  let _40: usize;
-                  scope 27 {
-                      debug c => _40;
-                      let _41: *mut usize;
-                      scope 28 {
-                          debug b2 => _41;
-                          let _42: usize;
-                          scope 29 {
-                              debug c2 => _42;
-                              let _43: *mut usize;
-                              scope 30 {
-                                  debug b3 => _43;
-                              }
+      scope 19 {
+          debug a => _38;
+          let _39: *mut usize;
+          scope 20 {
+              debug b1 => _39;
+              let _40: usize;
+              scope 21 {
+                  debug c => _40;
+                  let _41: *mut usize;
+                  scope 22 {
+                      debug b2 => _41;
+                      let _42: usize;
+                      scope 23 {
+                          debug c2 => _42;
+                          let _43: *mut usize;
+                          scope 24 {
+                              debug b3 => _43;
                           }
                       }
                   }
               }
           }
       }
-      scope 31 {
-          let _47: *mut T;
-          scope 32 {
--             debug a => _47;
-+             debug a => _1;
-              let _48: T;
-              scope 33 {
-                  debug b => _48;
-              }
+      scope 25 {
+-         debug a => _47;
++         debug a => _1;
+          let _48: T;
+          scope 26 {
+              debug b => _48;
           }
       }
-      scope 34 {
-          let _52: *mut T;
-          scope 35 {
-              debug a => _52;
-              let _54: T;
-              scope 36 {
-                  debug b => _54;
-              }
+      scope 27 {
+          debug a => _52;
+          let _54: T;
+          scope 28 {
+              debug b => _54;
           }
       }
-      scope 37 {
-          let mut _58: usize;
-          scope 38 {
-              debug a => _58;
-              let _59: *mut usize;
-              scope 39 {
-                  debug b => _59;
-                  let _60: &*mut usize;
-                  scope 40 {
-                      debug d => _60;
-                      let _61: usize;
-                      scope 41 {
-                          debug c => _61;
-                      }
+      scope 29 {
+          debug a => _58;
+          let _59: *mut usize;
+          scope 30 {
+              debug b => _59;
+              let _60: &*mut usize;
+              scope 31 {
+                  debug d => _60;
+                  let _61: usize;
+                  scope 32 {
+                      debug c => _61;
                   }
               }
           }
       }
-      scope 42 {
-          let mut _64: usize;
-          scope 43 {
-              debug a => _64;
-              let mut _65: *mut usize;
-              scope 44 {
-                  debug b => _65;
-                  let _66: &mut *mut usize;
-                  scope 45 {
-                      debug d => _66;
-                      let _67: usize;
-                      scope 46 {
-                          debug c => _67;
-                      }
+      scope 33 {
+          debug a => _64;
+          let mut _65: *mut usize;
+          scope 34 {
+              debug b => _65;
+              let _66: &mut *mut usize;
+              scope 35 {
+                  debug d => _66;
+                  let _67: usize;
+                  scope 36 {
+                      debug c => _67;
                   }
               }
           }
diff --git a/tests/mir-opt/reference_prop.unique_with_copies.ReferencePropagation.diff b/tests/mir-opt/reference_prop.unique_with_copies.ReferencePropagation.diff
index b4912a918ba..a5427cea1f8 100644
--- a/tests/mir-opt/reference_prop.unique_with_copies.ReferencePropagation.diff
+++ b/tests/mir-opt/reference_prop.unique_with_copies.ReferencePropagation.diff
@@ -12,16 +12,12 @@
       scope 1 {
 -         debug y => _1;
 +         debug y => _3;
-          scope 5 {
-          }
       }
       scope 2 {
           debug a => _2;
           let _3: *mut i32;
           scope 3 {
               debug x => _3;
-              scope 4 {
-              }
           }
       }
   
diff --git a/tests/mir-opt/retag.array_casts.SimplifyCfg-pre-optimizations.after.panic-abort.mir b/tests/mir-opt/retag.array_casts.SimplifyCfg-pre-optimizations.after.panic-abort.mir
index 7124b4c1cd8..f9d58ea60a3 100644
--- a/tests/mir-opt/retag.array_casts.SimplifyCfg-pre-optimizations.after.panic-abort.mir
+++ b/tests/mir-opt/retag.array_casts.SimplifyCfg-pre-optimizations.after.panic-abort.mir
@@ -36,22 +36,18 @@ fn array_casts() -> () {
             debug p => _2;
             let _8: [usize; 2];
             scope 3 {
-            }
-            scope 4 {
                 debug x => _8;
                 let _9: *const usize;
-                scope 5 {
+                scope 4 {
                     debug p => _9;
                     let _20: &usize;
                     let _21: &usize;
                     let mut _34: &usize;
-                    scope 6 {
-                    }
-                    scope 7 {
+                    scope 5 {
                         debug left_val => _20;
                         debug right_val => _21;
                         let _26: core::panicking::AssertKind;
-                        scope 8 {
+                        scope 6 {
                             debug kind => _26;
                         }
                     }
diff --git a/tests/mir-opt/retag.array_casts.SimplifyCfg-pre-optimizations.after.panic-unwind.mir b/tests/mir-opt/retag.array_casts.SimplifyCfg-pre-optimizations.after.panic-unwind.mir
index be04757f2a3..b0b70cd5d91 100644
--- a/tests/mir-opt/retag.array_casts.SimplifyCfg-pre-optimizations.after.panic-unwind.mir
+++ b/tests/mir-opt/retag.array_casts.SimplifyCfg-pre-optimizations.after.panic-unwind.mir
@@ -36,22 +36,18 @@ fn array_casts() -> () {
             debug p => _2;
             let _8: [usize; 2];
             scope 3 {
-            }
-            scope 4 {
                 debug x => _8;
                 let _9: *const usize;
-                scope 5 {
+                scope 4 {
                     debug p => _9;
                     let _20: &usize;
                     let _21: &usize;
                     let mut _34: &usize;
-                    scope 6 {
-                    }
-                    scope 7 {
+                    scope 5 {
                         debug left_val => _20;
                         debug right_val => _21;
                         let _26: core::panicking::AssertKind;
-                        scope 8 {
+                        scope 6 {
                             debug kind => _26;
                         }
                     }
diff --git a/tests/mir-opt/simplify_locals.t1.SimplifyLocals-before-const-prop.diff b/tests/mir-opt/simplify_locals.t1.SimplifyLocals-before-const-prop.diff
index a903e8d789e..526ff2f25cf 100644
--- a/tests/mir-opt/simplify_locals.t1.SimplifyLocals-before-const-prop.diff
+++ b/tests/mir-opt/simplify_locals.t1.SimplifyLocals-before-const-prop.diff
@@ -5,8 +5,6 @@
       let mut _0: ();
 -     let _1: u32;
 -     let mut _2: *mut u32;
-      scope 1 {
-      }
   
       bb0: {
 -         StorageLive(_1);
diff --git a/tests/mir-opt/simplify_locals.t2.SimplifyLocals-before-const-prop.diff b/tests/mir-opt/simplify_locals.t2.SimplifyLocals-before-const-prop.diff
index e72e71a13a2..a88f6d40115 100644
--- a/tests/mir-opt/simplify_locals.t2.SimplifyLocals-before-const-prop.diff
+++ b/tests/mir-opt/simplify_locals.t2.SimplifyLocals-before-const-prop.diff
@@ -5,8 +5,6 @@
       let mut _0: ();
 -     let _1: &mut u32;
 -     let mut _2: *mut u32;
-      scope 1 {
-      }
   
       bb0: {
 -         StorageLive(_1);
diff --git a/tests/mir-opt/simplify_locals.t3.SimplifyLocals-before-const-prop.diff b/tests/mir-opt/simplify_locals.t3.SimplifyLocals-before-const-prop.diff
index 37c367c82ca..5d45d7ac781 100644
--- a/tests/mir-opt/simplify_locals.t3.SimplifyLocals-before-const-prop.diff
+++ b/tests/mir-opt/simplify_locals.t3.SimplifyLocals-before-const-prop.diff
@@ -6,8 +6,6 @@
 -     let _1: u32;
 -     let mut _2: &mut u32;
 -     let mut _3: *mut u32;
-      scope 1 {
-      }
   
       bb0: {
 -         StorageLive(_1);
diff --git a/tests/mir-opt/simplify_locals.t4.SimplifyLocals-before-const-prop.diff b/tests/mir-opt/simplify_locals.t4.SimplifyLocals-before-const-prop.diff
index 006e3c4232d..4f4855dbaaf 100644
--- a/tests/mir-opt/simplify_locals.t4.SimplifyLocals-before-const-prop.diff
+++ b/tests/mir-opt/simplify_locals.t4.SimplifyLocals-before-const-prop.diff
@@ -5,8 +5,6 @@
       let mut _0: u32;
       let mut _1: u32;
       let mut _2: *mut u32;
-      scope 1 {
-      }
   
       bb0: {
           StorageLive(_1);
diff --git a/tests/mir-opt/sroa/structs.unions.ScalarReplacementOfAggregates.diff b/tests/mir-opt/sroa/structs.unions.ScalarReplacementOfAggregates.diff
index 6c99d3efd29..2f8dfcc5d63 100644
--- a/tests/mir-opt/sroa/structs.unions.ScalarReplacementOfAggregates.diff
+++ b/tests/mir-opt/sroa/structs.unions.ScalarReplacementOfAggregates.diff
@@ -6,8 +6,6 @@
       let mut _0: u32;
       let mut _2: unions::Repr;
       let mut _3: f32;
-      scope 1 {
-      }
   
       bb0: {
           StorageLive(_2);
diff --git a/tests/mir-opt/tls_access.main.PreCodegen.after.mir b/tests/mir-opt/tls_access.main.PreCodegen.after.mir
index 43c7051f027..1c59e938423 100644
--- a/tests/mir-opt/tls_access.main.PreCodegen.after.mir
+++ b/tests/mir-opt/tls_access.main.PreCodegen.after.mir
@@ -3,12 +3,10 @@
 fn main() -> () {
     let mut _0: ();
     let _1: *mut u8;
+    let _2: &u8;
     let mut _3: *mut u8;
     scope 1 {
-        let _2: &u8;
-        scope 2 {
-            debug a => _2;
-        }
+        debug a => _2;
     }
 
     bb0: {
diff --git a/tests/mir-opt/uninhabited_enum.process_never.SimplifyLocals-final.after.mir b/tests/mir-opt/uninhabited_enum.process_never.SimplifyLocals-final.after.mir
index 89f7016fee4..240f409817d 100644
--- a/tests/mir-opt/uninhabited_enum.process_never.SimplifyLocals-final.after.mir
+++ b/tests/mir-opt/uninhabited_enum.process_never.SimplifyLocals-final.after.mir
@@ -7,8 +7,6 @@ fn process_never(_1: *const !) -> () {
     scope 1 {
         debug _input => _2;
     }
-    scope 2 {
-    }
 
     bb0: {
         unreachable;
diff --git a/tests/mir-opt/uninhabited_enum.process_void.SimplifyLocals-final.after.mir b/tests/mir-opt/uninhabited_enum.process_void.SimplifyLocals-final.after.mir
index 51905f982b8..51514ba5e5d 100644
--- a/tests/mir-opt/uninhabited_enum.process_void.SimplifyLocals-final.after.mir
+++ b/tests/mir-opt/uninhabited_enum.process_void.SimplifyLocals-final.after.mir
@@ -6,8 +6,6 @@ fn process_void(_1: *const Void) -> () {
     scope 1 {
         debug _input => _1;
     }
-    scope 2 {
-    }
 
     bb0: {
         return;
diff --git a/tests/mir-opt/unnamed-fields/field_access.bar.SimplifyCfg-initial.after.mir b/tests/mir-opt/unnamed-fields/field_access.bar.SimplifyCfg-initial.after.mir
index 8edc7b5df88..f0311422c17 100644
--- a/tests/mir-opt/unnamed-fields/field_access.bar.SimplifyCfg-initial.after.mir
+++ b/tests/mir-opt/unnamed-fields/field_access.bar.SimplifyCfg-initial.after.mir
@@ -11,8 +11,6 @@ fn bar(_1: Bar) -> () {
     let mut _7: bool;
     let _8: ();
     let mut _9: [u8; 1];
-    scope 1 {
-    }
 
     bb0: {
         StorageLive(_2);
diff --git a/tests/ui/asm/x86_64/goto.rs b/tests/ui/asm/x86_64/goto.rs
index 6a567efbb2c..6c14bb57ac6 100644
--- a/tests/ui/asm/x86_64/goto.rs
+++ b/tests/ui/asm/x86_64/goto.rs
@@ -1,8 +1,6 @@
 //@ only-x86_64
 //@ run-pass
 //@ needs-asm-support
-//@ revisions: mirunsafeck thirunsafeck
-//@ [thirunsafeck]compile-flags: -Z thir-unsafeck
 
 #![deny(unreachable_code)]
 #![feature(asm_goto)]
diff --git a/tests/ui/asm/x86_64/goto.mirunsafeck.stderr b/tests/ui/asm/x86_64/goto.stderr
index fe189c14f0a..27e227d71a5 100644
--- a/tests/ui/asm/x86_64/goto.mirunsafeck.stderr
+++ b/tests/ui/asm/x86_64/goto.stderr
@@ -1,5 +1,5 @@
 warning: unreachable statement
-  --> $DIR/goto.rs:99:9
+  --> $DIR/goto.rs:97:9
    |
 LL | /         asm!(
 LL | |             "jmp {}",
@@ -13,7 +13,7 @@ LL |           unreachable!();
    |           ^^^^^^^^^^^^^^ unreachable statement
    |
 note: the lint level is defined here
-  --> $DIR/goto.rs:89:8
+  --> $DIR/goto.rs:87:8
    |
 LL | #[warn(unreachable_code)]
    |        ^^^^^^^^^^^^^^^^
diff --git a/tests/ui/asm/x86_64/goto.thirunsafeck.stderr b/tests/ui/asm/x86_64/goto.thirunsafeck.stderr
deleted file mode 100644
index fe189c14f0a..00000000000
--- a/tests/ui/asm/x86_64/goto.thirunsafeck.stderr
+++ /dev/null
@@ -1,23 +0,0 @@
-warning: unreachable statement
-  --> $DIR/goto.rs:99:9
-   |
-LL | /         asm!(
-LL | |             "jmp {}",
-LL | |             label {
-LL | |                 return;
-LL | |             },
-LL | |             options(noreturn)
-LL | |         );
-   | |_________- any code following this expression is unreachable
-LL |           unreachable!();
-   |           ^^^^^^^^^^^^^^ unreachable statement
-   |
-note: the lint level is defined here
-  --> $DIR/goto.rs:89:8
-   |
-LL | #[warn(unreachable_code)]
-   |        ^^^^^^^^^^^^^^^^
-   = note: this warning originates in the macro `unreachable` (in Nightly builds, run with -Z macro-backtrace for more info)
-
-warning: 1 warning emitted
-