bless mir-opt

To reproduce the changes in this commit locally:

- Run `./x test tidy` and remove all the output files not associated
  with a test file anymore, as reported by tidy.
- Run `./x test tests/mir-opt --bless` to generate the new outputs.

395 files changed, 11189 insertions, 38 deletions

diff --git a/tests/mir-opt/array_index_is_temporary.main.SimplifyCfg-elaborate-drops.after.panic-abort.mir b/tests/mir-opt/array_index_is_temporary.main.SimplifyCfg-elaborate-drops.after.panic-abort.mir
new file mode 100644
index 00000000000..6351d58f7d2
--- /dev/null
+++ b/tests/mir-opt/array_index_is_temporary.main.SimplifyCfg-elaborate-drops.after.panic-abort.mir
@@ -0,0 +1,64 @@
+// MIR for `main` after SimplifyCfg-elaborate-drops
+
+fn main() -> () {
+    let mut _0: ();                      // return place in scope 0 at $DIR/array_index_is_temporary.rs:+0:11: +0:11
+    let mut _1: [u32; 3];                // in scope 0 at $DIR/array_index_is_temporary.rs:+1:9: +1:14
+    let mut _4: &mut usize;              // in scope 0 at $DIR/array_index_is_temporary.rs:+3:25: +3:31
+    let mut _5: u32;                     // in scope 0 at $DIR/array_index_is_temporary.rs:+4:12: +4:29
+    let mut _6: *mut usize;              // in scope 0 at $DIR/array_index_is_temporary.rs:+4:25: +4:26
+    let _7: usize;                       // in scope 0 at $DIR/array_index_is_temporary.rs:+4:7: +4:8
+    let mut _8: usize;                   // in scope 0 at $DIR/array_index_is_temporary.rs:+4:5: +4:9
+    let mut _9: bool;                    // in scope 0 at $DIR/array_index_is_temporary.rs:+4:5: +4:9
+    scope 1 {
+        debug x => _1;                   // in scope 1 at $DIR/array_index_is_temporary.rs:+1:9: +1:14
+        let mut _2: usize;               // in scope 1 at $DIR/array_index_is_temporary.rs:+2:9: +2:14
+        scope 2 {
+            debug y => _2;               // in scope 2 at $DIR/array_index_is_temporary.rs:+2:9: +2:14
+            let _3: *mut usize;          // in scope 2 at $DIR/array_index_is_temporary.rs:+3:9: +3:10
+            scope 3 {
+                debug z => _3;           // in scope 3 at $DIR/array_index_is_temporary.rs:+3:9: +3:10
+                scope 4 {
+                }
+            }
+        }
+    }
+
+    bb0: {
+        StorageLive(_1);                 // scope 0 at $DIR/array_index_is_temporary.rs:+1:9: +1:14
+        _1 = [const 42_u32, const 43_u32, const 44_u32]; // scope 0 at $DIR/array_index_is_temporary.rs:+1:17: +1:29
+        StorageLive(_2);                 // scope 1 at $DIR/array_index_is_temporary.rs:+2:9: +2:14
+        _2 = const 1_usize;              // scope 1 at $DIR/array_index_is_temporary.rs:+2:17: +2:18
+        StorageLive(_3);                 // scope 2 at $DIR/array_index_is_temporary.rs:+3:9: +3:10
+        StorageLive(_4);                 // scope 2 at $DIR/array_index_is_temporary.rs:+3:25: +3:31
+        _4 = &mut _2;                    // scope 2 at $DIR/array_index_is_temporary.rs:+3:25: +3:31
+        _3 = &raw mut (*_4);             // scope 2 at $DIR/array_index_is_temporary.rs:+3:25: +3:31
+        StorageDead(_4);                 // scope 2 at $DIR/array_index_is_temporary.rs:+3:31: +3:32
+        StorageLive(_5);                 // scope 3 at $DIR/array_index_is_temporary.rs:+4:12: +4:29
+        StorageLive(_6);                 // scope 4 at $DIR/array_index_is_temporary.rs:+4:25: +4:26
+        _6 = _3;                         // scope 4 at $DIR/array_index_is_temporary.rs:+4:25: +4:26
+        _5 = foo(move _6) -> [return: bb1, unwind unreachable]; // scope 4 at $DIR/array_index_is_temporary.rs:+4:21: +4:27
+                                         // mir::Constant
+                                         // + span: $DIR/array_index_is_temporary.rs:17:21: 17:24
+                                         // + literal: Const { ty: unsafe fn(*mut usize) -> u32 {foo}, val: Value(<ZST>) }
+    }
+
+    bb1: {
+        StorageDead(_6);                 // scope 4 at $DIR/array_index_is_temporary.rs:+4:26: +4:27
+        StorageLive(_7);                 // scope 3 at $DIR/array_index_is_temporary.rs:+4:7: +4:8
+        _7 = _2;                         // scope 3 at $DIR/array_index_is_temporary.rs:+4:7: +4:8
+        _8 = Len(_1);                    // scope 3 at $DIR/array_index_is_temporary.rs:+4:5: +4:9
+        _9 = Lt(_7, _8);                 // scope 3 at $DIR/array_index_is_temporary.rs:+4:5: +4:9
+        assert(move _9, "index out of bounds: the length is {} but the index is {}", move _8, _7) -> [success: bb2, unwind unreachable]; // scope 3 at $DIR/array_index_is_temporary.rs:+4:5: +4:9
+    }
+
+    bb2: {
+        _1[_7] = move _5;                // scope 3 at $DIR/array_index_is_temporary.rs:+4:5: +4:29
+        StorageDead(_5);                 // scope 3 at $DIR/array_index_is_temporary.rs:+4:28: +4:29
+        StorageDead(_7);                 // scope 3 at $DIR/array_index_is_temporary.rs:+4:29: +4:30
+        _0 = const ();                   // scope 0 at $DIR/array_index_is_temporary.rs:+0:11: +5:2
+        StorageDead(_3);                 // scope 2 at $DIR/array_index_is_temporary.rs:+5:1: +5:2
+        StorageDead(_2);                 // scope 1 at $DIR/array_index_is_temporary.rs:+5:1: +5:2
+        StorageDead(_1);                 // scope 0 at $DIR/array_index_is_temporary.rs:+5:1: +5:2
+        return;                          // scope 0 at $DIR/array_index_is_temporary.rs:+5:2: +5:2
+    }
+}
diff --git a/tests/mir-opt/array_index_is_temporary.main.SimplifyCfg-elaborate-drops.after.mir b/tests/mir-opt/array_index_is_temporary.main.SimplifyCfg-elaborate-drops.after.panic-unwind.mir
index 4be382fac8c..4be382fac8c 100644
--- a/tests/mir-opt/array_index_is_temporary.main.SimplifyCfg-elaborate-drops.after.mir
+++ b/tests/mir-opt/array_index_is_temporary.main.SimplifyCfg-elaborate-drops.after.panic-unwind.mir
diff --git a/tests/mir-opt/box_expr.main.ElaborateDrops.before.panic-abort.mir b/tests/mir-opt/box_expr.main.ElaborateDrops.before.panic-abort.mir
new file mode 100644
index 00000000000..2c0a3af7302
--- /dev/null
+++ b/tests/mir-opt/box_expr.main.ElaborateDrops.before.panic-abort.mir
@@ -0,0 +1,80 @@
+// MIR for `main` before ElaborateDrops
+
+fn main() -> () {
+    let mut _0: ();                      // return place in scope 0 at $DIR/box_expr.rs:+0:11: +0:11
+    let _1: std::boxed::Box<S>;          // in scope 0 at $DIR/box_expr.rs:+1:9: +1:10
+    let mut _2: usize;                   // in scope 0 at $DIR/box_expr.rs:+2:5: +2:23
+    let mut _3: usize;                   // in scope 0 at $DIR/box_expr.rs:+2:5: +2:23
+    let mut _4: *mut u8;                 // in scope 0 at $DIR/box_expr.rs:+2:5: +2:23
+    let mut _5: std::boxed::Box<S>;      // in scope 0 at $DIR/box_expr.rs:+2:5: +2:23
+    let _6: ();                          // in scope 0 at $DIR/box_expr.rs:+3:5: +3:12
+    let mut _7: std::boxed::Box<S>;      // in scope 0 at $DIR/box_expr.rs:+3:10: +3:11
+    scope 1 {
+        debug x => _1;                   // in scope 1 at $DIR/box_expr.rs:+1:9: +1:10
+    }
+    scope 2 {
+    }
+
+    bb0: {
+        StorageLive(_1);                 // scope 0 at $DIR/box_expr.rs:+1:9: +1:10
+        _2 = SizeOf(S);                  // scope 2 at $DIR/box_expr.rs:+2:5: +2:23
+        _3 = AlignOf(S);                 // scope 2 at $DIR/box_expr.rs:+2:5: +2:23
+        _4 = alloc::alloc::exchange_malloc(move _2, move _3) -> [return: bb1, unwind: bb9]; // scope 2 at $DIR/box_expr.rs:+2:5: +2:23
+                                         // mir::Constant
+                                         // + span: $DIR/box_expr.rs:8:5: 8:23
+                                         // + literal: Const { ty: unsafe fn(usize, usize) -> *mut u8 {alloc::alloc::exchange_malloc}, val: Value(<ZST>) }
+    }
+
+    bb1: {
+        StorageLive(_5);                 // scope 0 at $DIR/box_expr.rs:+2:5: +2:23
+        _5 = ShallowInitBox(move _4, S); // scope 0 at $DIR/box_expr.rs:+2:5: +2:23
+        (*_5) = S::new() -> [return: bb2, unwind: bb8]; // scope 0 at $DIR/box_expr.rs:+2:14: +2:22
+                                         // mir::Constant
+                                         // + span: $DIR/box_expr.rs:8:14: 8:20
+                                         // + literal: Const { ty: fn() -> S {S::new}, val: Value(<ZST>) }
+    }
+
+    bb2: {
+        _1 = move _5;                    // scope 0 at $DIR/box_expr.rs:+2:5: +2:23
+        drop(_5) -> [return: bb3, unwind: bb9]; // scope 0 at $DIR/box_expr.rs:+2:22: +2:23
+    }
+
+    bb3: {
+        StorageDead(_5);                 // scope 0 at $DIR/box_expr.rs:+2:22: +2:23
+        StorageLive(_6);                 // scope 1 at $DIR/box_expr.rs:+3:5: +3:12
+        StorageLive(_7);                 // scope 1 at $DIR/box_expr.rs:+3:10: +3:11
+        _7 = move _1;                    // scope 1 at $DIR/box_expr.rs:+3:10: +3:11
+        _6 = std::mem::drop::<Box<S>>(move _7) -> [return: bb4, unwind: bb6]; // scope 1 at $DIR/box_expr.rs:+3:5: +3:12
+                                         // mir::Constant
+                                         // + span: $DIR/box_expr.rs:9:5: 9:9
+                                         // + literal: Const { ty: fn(Box<S>) {std::mem::drop::<Box<S>>}, val: Value(<ZST>) }
+    }
+
+    bb4: {
+        StorageDead(_7);                 // scope 1 at $DIR/box_expr.rs:+3:11: +3:12
+        StorageDead(_6);                 // scope 1 at $DIR/box_expr.rs:+3:12: +3:13
+        _0 = const ();                   // scope 0 at $DIR/box_expr.rs:+0:11: +4:2
+        drop(_1) -> [return: bb5, unwind: bb9]; // scope 0 at $DIR/box_expr.rs:+4:1: +4:2
+    }
+
+    bb5: {
+        StorageDead(_1);                 // scope 0 at $DIR/box_expr.rs:+4:1: +4:2
+        return;                          // scope 0 at $DIR/box_expr.rs:+4:2: +4:2
+    }
+
+    bb6 (cleanup): {
+        drop(_7) -> [return: bb7, unwind terminate]; // scope 1 at $DIR/box_expr.rs:+3:11: +3:12
+    }
+
+    bb7 (cleanup): {
+        drop(_1) -> [return: bb9, unwind terminate]; // scope 0 at $DIR/box_expr.rs:+4:1: +4:2
+    }
+
+    bb8 (cleanup): {
+        drop(_5) -> [return: bb9, unwind terminate]; // scope 0 at $DIR/box_expr.rs:+2:22: +2:23
+    }
+
+    bb9 (cleanup): {
+        resume;                          // scope 0 at $DIR/box_expr.rs:+0:1: +4:2
+    }
+}
diff --git a/tests/mir-opt/box_expr.main.ElaborateDrops.before.mir b/tests/mir-opt/box_expr.main.ElaborateDrops.before.panic-unwind.mir
index bac5b21dfad..bac5b21dfad 100644
--- a/tests/mir-opt/box_expr.main.ElaborateDrops.before.mir
+++ b/tests/mir-opt/box_expr.main.ElaborateDrops.before.panic-unwind.mir
diff --git a/tests/mir-opt/combine_array_len.norm2.InstSimplify.panic-abort.diff b/tests/mir-opt/combine_array_len.norm2.InstSimplify.panic-abort.diff
new file mode 100644
index 00000000000..33dd4a90265
--- /dev/null
+++ b/tests/mir-opt/combine_array_len.norm2.InstSimplify.panic-abort.diff
@@ -0,0 +1,77 @@
+- // MIR for `norm2` before InstSimplify
++ // MIR for `norm2` after InstSimplify
+  
+  fn norm2(_1: [f32; 2]) -> f32 {
+      debug x => _1;                       // in scope 0 at $DIR/combine_array_len.rs:+0:10: +0:11
+      let mut _0: f32;                     // return place in scope 0 at $DIR/combine_array_len.rs:+0:26: +0:29
+      let _2: f32;                         // in scope 0 at $DIR/combine_array_len.rs:+1:9: +1:10
+      let _3: usize;                       // in scope 0 at $DIR/combine_array_len.rs:+1:15: +1:16
+      let mut _4: usize;                   // in scope 0 at $DIR/combine_array_len.rs:+1:13: +1:17
+      let mut _5: bool;                    // in scope 0 at $DIR/combine_array_len.rs:+1:13: +1:17
+      let _7: usize;                       // in scope 0 at $DIR/combine_array_len.rs:+2:15: +2:16
+      let mut _8: usize;                   // in scope 0 at $DIR/combine_array_len.rs:+2:13: +2:17
+      let mut _9: bool;                    // in scope 0 at $DIR/combine_array_len.rs:+2:13: +2:17
+      let mut _10: f32;                    // in scope 0 at $DIR/combine_array_len.rs:+3:5: +3:8
+      let mut _11: f32;                    // in scope 0 at $DIR/combine_array_len.rs:+3:5: +3:6
+      let mut _12: f32;                    // in scope 0 at $DIR/combine_array_len.rs:+3:7: +3:8
+      let mut _13: f32;                    // in scope 0 at $DIR/combine_array_len.rs:+3:11: +3:14
+      let mut _14: f32;                    // in scope 0 at $DIR/combine_array_len.rs:+3:11: +3:12
+      let mut _15: f32;                    // in scope 0 at $DIR/combine_array_len.rs:+3:13: +3:14
+      scope 1 {
+          debug a => _2;                   // in scope 1 at $DIR/combine_array_len.rs:+1:9: +1:10
+          let _6: f32;                     // in scope 1 at $DIR/combine_array_len.rs:+2:9: +2:10
+          scope 2 {
+              debug b => _6;               // in scope 2 at $DIR/combine_array_len.rs:+2:9: +2:10
+          }
+      }
+  
+      bb0: {
+          StorageLive(_2);                 // scope 0 at $DIR/combine_array_len.rs:+1:9: +1:10
+          StorageLive(_3);                 // scope 0 at $DIR/combine_array_len.rs:+1:15: +1:16
+          _3 = const 0_usize;              // scope 0 at $DIR/combine_array_len.rs:+1:15: +1:16
+-         _4 = Len(_1);                    // scope 0 at $DIR/combine_array_len.rs:+1:13: +1:17
++         _4 = const 2_usize;              // scope 0 at $DIR/combine_array_len.rs:+1:13: +1:17
+          _5 = Lt(_3, _4);                 // scope 0 at $DIR/combine_array_len.rs:+1:13: +1:17
+          assert(move _5, "index out of bounds: the length is {} but the index is {}", move _4, _3) -> [success: bb1, unwind unreachable]; // scope 0 at $DIR/combine_array_len.rs:+1:13: +1:17
+      }
+  
+      bb1: {
+          _2 = _1[_3];                     // scope 0 at $DIR/combine_array_len.rs:+1:13: +1:17
+          StorageDead(_3);                 // scope 0 at $DIR/combine_array_len.rs:+1:17: +1:18
+          StorageLive(_6);                 // scope 1 at $DIR/combine_array_len.rs:+2:9: +2:10
+          StorageLive(_7);                 // scope 1 at $DIR/combine_array_len.rs:+2:15: +2:16
+          _7 = const 1_usize;              // scope 1 at $DIR/combine_array_len.rs:+2:15: +2:16
+-         _8 = Len(_1);                    // scope 1 at $DIR/combine_array_len.rs:+2:13: +2:17
++         _8 = const 2_usize;              // scope 1 at $DIR/combine_array_len.rs:+2:13: +2:17
+          _9 = Lt(_7, _8);                 // scope 1 at $DIR/combine_array_len.rs:+2:13: +2:17
+          assert(move _9, "index out of bounds: the length is {} but the index is {}", move _8, _7) -> [success: bb2, unwind unreachable]; // scope 1 at $DIR/combine_array_len.rs:+2:13: +2:17
+      }
+  
+      bb2: {
+          _6 = _1[_7];                     // scope 1 at $DIR/combine_array_len.rs:+2:13: +2:17
+          StorageDead(_7);                 // scope 1 at $DIR/combine_array_len.rs:+2:17: +2:18
+          StorageLive(_10);                // scope 2 at $DIR/combine_array_len.rs:+3:5: +3:8
+          StorageLive(_11);                // scope 2 at $DIR/combine_array_len.rs:+3:5: +3:6
+          _11 = _2;                        // scope 2 at $DIR/combine_array_len.rs:+3:5: +3:6
+          StorageLive(_12);                // scope 2 at $DIR/combine_array_len.rs:+3:7: +3:8
+          _12 = _2;                        // scope 2 at $DIR/combine_array_len.rs:+3:7: +3:8
+          _10 = Mul(move _11, move _12);   // scope 2 at $DIR/combine_array_len.rs:+3:5: +3:8
+          StorageDead(_12);                // scope 2 at $DIR/combine_array_len.rs:+3:7: +3:8
+          StorageDead(_11);                // scope 2 at $DIR/combine_array_len.rs:+3:7: +3:8
+          StorageLive(_13);                // scope 2 at $DIR/combine_array_len.rs:+3:11: +3:14
+          StorageLive(_14);                // scope 2 at $DIR/combine_array_len.rs:+3:11: +3:12
+          _14 = _6;                        // scope 2 at $DIR/combine_array_len.rs:+3:11: +3:12
+          StorageLive(_15);                // scope 2 at $DIR/combine_array_len.rs:+3:13: +3:14
+          _15 = _6;                        // scope 2 at $DIR/combine_array_len.rs:+3:13: +3:14
+          _13 = Mul(move _14, move _15);   // scope 2 at $DIR/combine_array_len.rs:+3:11: +3:14
+          StorageDead(_15);                // scope 2 at $DIR/combine_array_len.rs:+3:13: +3:14
+          StorageDead(_14);                // scope 2 at $DIR/combine_array_len.rs:+3:13: +3:14
+          _0 = Add(move _10, move _13);    // scope 2 at $DIR/combine_array_len.rs:+3:5: +3:14
+          StorageDead(_13);                // scope 2 at $DIR/combine_array_len.rs:+3:13: +3:14
+          StorageDead(_10);                // scope 2 at $DIR/combine_array_len.rs:+3:13: +3:14
+          StorageDead(_6);                 // scope 1 at $DIR/combine_array_len.rs:+4:1: +4:2
+          StorageDead(_2);                 // scope 0 at $DIR/combine_array_len.rs:+4:1: +4:2
+          return;                          // scope 0 at $DIR/combine_array_len.rs:+4:2: +4:2
+      }
+  }
+  
diff --git a/tests/mir-opt/combine_array_len.norm2.InstSimplify.diff b/tests/mir-opt/combine_array_len.norm2.InstSimplify.panic-unwind.diff
index 0777007cefa..0777007cefa 100644
--- a/tests/mir-opt/combine_array_len.norm2.InstSimplify.diff
+++ b/tests/mir-opt/combine_array_len.norm2.InstSimplify.panic-unwind.diff
diff --git a/tests/mir-opt/combine_clone_of_primitives.{impl#0}-clone.InstSimplify.panic-abort.diff b/tests/mir-opt/combine_clone_of_primitives.{impl#0}-clone.InstSimplify.panic-abort.diff
new file mode 100644
index 00000000000..6ca960935ba
--- /dev/null
+++ b/tests/mir-opt/combine_clone_of_primitives.{impl#0}-clone.InstSimplify.panic-abort.diff
@@ -0,0 +1,74 @@
+- // MIR for `<impl at $DIR/combine_clone_of_primitives.rs:6:10: 6:15>::clone` before InstSimplify
++ // MIR for `<impl at $DIR/combine_clone_of_primitives.rs:6:10: 6:15>::clone` after InstSimplify
+  
+  fn <impl at $DIR/combine_clone_of_primitives.rs:6:10: 6:15>::clone(_1: &MyThing<T>) -> MyThing<T> {
+      debug self => _1;                    // in scope 0 at $DIR/combine_clone_of_primitives.rs:+0:10: +0:15
+      let mut _0: MyThing<T>;              // return place in scope 0 at $DIR/combine_clone_of_primitives.rs:+0:10: +0:15
+      let mut _2: T;                       // in scope 0 at $DIR/combine_clone_of_primitives.rs:8:5: 8:9
+      let mut _3: &T;                      // in scope 0 at $DIR/combine_clone_of_primitives.rs:8:5: 8:9
+      let _4: &T;                          // in scope 0 at $DIR/combine_clone_of_primitives.rs:8:5: 8:9
+      let mut _5: u64;                     // in scope 0 at $DIR/combine_clone_of_primitives.rs:9:5: 9:11
+      let mut _6: &u64;                    // in scope 0 at $DIR/combine_clone_of_primitives.rs:9:5: 9:11
+      let _7: &u64;                        // in scope 0 at $DIR/combine_clone_of_primitives.rs:9:5: 9:11
+      let mut _8: [f32; 3];                // in scope 0 at $DIR/combine_clone_of_primitives.rs:10:5: 10:16
+      let mut _9: &[f32; 3];               // in scope 0 at $DIR/combine_clone_of_primitives.rs:10:5: 10:16
+      let _10: &[f32; 3];                  // in scope 0 at $DIR/combine_clone_of_primitives.rs:10:5: 10:16
+  
+      bb0: {
+          StorageLive(_2);                 // scope 0 at $DIR/combine_clone_of_primitives.rs:8:5: 8:9
+          StorageLive(_3);                 // scope 0 at $DIR/combine_clone_of_primitives.rs:8:5: 8:9
+          StorageLive(_4);                 // scope 0 at $DIR/combine_clone_of_primitives.rs:8:5: 8:9
+          _4 = &((*_1).0: T);              // scope 0 at $DIR/combine_clone_of_primitives.rs:8:5: 8:9
+-         _3 = &(*_4);                     // scope 0 at $DIR/combine_clone_of_primitives.rs:8:5: 8:9
++         _3 = _4;                         // scope 0 at $DIR/combine_clone_of_primitives.rs:8:5: 8:9
+          _2 = <T as Clone>::clone(move _3) -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/combine_clone_of_primitives.rs:8:5: 8:9
+                                           // mir::Constant
+                                           // + span: $DIR/combine_clone_of_primitives.rs:8:5: 8:9
+                                           // + literal: Const { ty: for<'a> fn(&'a T) -> T {<T as Clone>::clone}, val: Value(<ZST>) }
+      }
+  
+      bb1: {
+          StorageDead(_3);                 // scope 0 at $DIR/combine_clone_of_primitives.rs:8:8: 8:9
+          StorageLive(_5);                 // scope 0 at $DIR/combine_clone_of_primitives.rs:9:5: 9:11
+          StorageLive(_6);                 // scope 0 at $DIR/combine_clone_of_primitives.rs:9:5: 9:11
+          StorageLive(_7);                 // scope 0 at $DIR/combine_clone_of_primitives.rs:9:5: 9:11
+          _7 = &((*_1).1: u64);            // scope 0 at $DIR/combine_clone_of_primitives.rs:9:5: 9:11
+-         _6 = &(*_7);                     // scope 0 at $DIR/combine_clone_of_primitives.rs:9:5: 9:11
+-         _5 = <u64 as Clone>::clone(move _6) -> [return: bb2, unwind unreachable]; // scope 0 at $DIR/combine_clone_of_primitives.rs:9:5: 9:11
+-                                          // mir::Constant
+-                                          // + span: $DIR/combine_clone_of_primitives.rs:9:5: 9:11
+-                                          // + literal: Const { ty: for<'a> fn(&'a u64) -> u64 {<u64 as Clone>::clone}, val: Value(<ZST>) }
++         _6 = _7;                         // scope 0 at $DIR/combine_clone_of_primitives.rs:9:5: 9:11
++         _5 = (*_6);                      // scope 0 at $DIR/combine_clone_of_primitives.rs:9:5: 9:11
++         goto -> bb2;                     // scope 0 at $DIR/combine_clone_of_primitives.rs:9:5: 9:11
+      }
+  
+      bb2: {
+          StorageDead(_6);                 // scope 0 at $DIR/combine_clone_of_primitives.rs:9:10: 9:11
+          StorageLive(_8);                 // scope 0 at $DIR/combine_clone_of_primitives.rs:10:5: 10:16
+          StorageLive(_9);                 // scope 0 at $DIR/combine_clone_of_primitives.rs:10:5: 10:16
+          StorageLive(_10);                // scope 0 at $DIR/combine_clone_of_primitives.rs:10:5: 10:16
+          _10 = &((*_1).2: [f32; 3]);      // scope 0 at $DIR/combine_clone_of_primitives.rs:10:5: 10:16
+-         _9 = &(*_10);                    // scope 0 at $DIR/combine_clone_of_primitives.rs:10:5: 10:16
+-         _8 = <[f32; 3] as Clone>::clone(move _9) -> [return: bb3, unwind unreachable]; // scope 0 at $DIR/combine_clone_of_primitives.rs:10:5: 10:16
+-                                          // mir::Constant
+-                                          // + span: $DIR/combine_clone_of_primitives.rs:10:5: 10:16
+-                                          // + literal: Const { ty: for<'a> fn(&'a [f32; 3]) -> [f32; 3] {<[f32; 3] as Clone>::clone}, val: Value(<ZST>) }
++         _9 = _10;                        // scope 0 at $DIR/combine_clone_of_primitives.rs:10:5: 10:16
++         _8 = (*_9);                      // scope 0 at $DIR/combine_clone_of_primitives.rs:10:5: 10:16
++         goto -> bb3;                     // scope 0 at $DIR/combine_clone_of_primitives.rs:10:5: 10:16
+      }
+  
+      bb3: {
+          StorageDead(_9);                 // scope 0 at $DIR/combine_clone_of_primitives.rs:10:15: 10:16
+          _0 = MyThing::<T> { v: move _2, i: move _5, a: move _8 }; // scope 0 at $DIR/combine_clone_of_primitives.rs:+0:10: +0:15
+          StorageDead(_8);                 // scope 0 at $DIR/combine_clone_of_primitives.rs:+0:14: +0:15
+          StorageDead(_5);                 // scope 0 at $DIR/combine_clone_of_primitives.rs:+0:14: +0:15
+          StorageDead(_2);                 // scope 0 at $DIR/combine_clone_of_primitives.rs:+0:14: +0:15
+          StorageDead(_10);                // scope 0 at $DIR/combine_clone_of_primitives.rs:+0:14: +0:15
+          StorageDead(_7);                 // scope 0 at $DIR/combine_clone_of_primitives.rs:+0:14: +0:15
+          StorageDead(_4);                 // scope 0 at $DIR/combine_clone_of_primitives.rs:+0:14: +0:15
+          return;                          // scope 0 at $DIR/combine_clone_of_primitives.rs:+0:15: +0:15
+      }
+  }
+  
diff --git a/tests/mir-opt/combine_clone_of_primitives.{impl#0}-clone.InstSimplify.diff b/tests/mir-opt/combine_clone_of_primitives.{impl#0}-clone.InstSimplify.panic-unwind.diff
index bb0811a7abb..bb0811a7abb 100644
--- a/tests/mir-opt/combine_clone_of_primitives.{impl#0}-clone.InstSimplify.diff
+++ b/tests/mir-opt/combine_clone_of_primitives.{impl#0}-clone.InstSimplify.panic-unwind.diff
diff --git a/tests/mir-opt/const_prop/aggregate.foo.ConstProp.diff b/tests/mir-opt/const_prop/aggregate.foo.ConstProp.panic-abort.diff
index 6ac460db86f..6ac460db86f 100644
--- a/tests/mir-opt/const_prop/aggregate.foo.ConstProp.diff
+++ b/tests/mir-opt/const_prop/aggregate.foo.ConstProp.panic-abort.diff
diff --git a/tests/mir-opt/const_prop/aggregate.foo.ConstProp.panic-unwind.diff b/tests/mir-opt/const_prop/aggregate.foo.ConstProp.panic-unwind.diff
new file mode 100644
index 00000000000..6ac460db86f
--- /dev/null
+++ b/tests/mir-opt/const_prop/aggregate.foo.ConstProp.panic-unwind.diff
@@ -0,0 +1,55 @@
+- // MIR for `foo` before ConstProp
++ // MIR for `foo` after ConstProp
+  
+  fn foo(_1: u8) -> () {
+      debug x => _1;                       // in scope 0 at $DIR/aggregate.rs:+0:8: +0:9
+      let mut _0: ();                      // return place in scope 0 at $DIR/aggregate.rs:+0:15: +0:15
+      let _2: i32;                         // in scope 0 at $DIR/aggregate.rs:+2:9: +2:14
+      let mut _3: i32;                     // in scope 0 at $DIR/aggregate.rs:+2:17: +2:25
+      let mut _4: (i32, u8);               // in scope 0 at $DIR/aggregate.rs:+2:17: +2:23
+      let mut _5: u8;                      // in scope 0 at $DIR/aggregate.rs:+2:21: +2:22
+      let mut _7: i32;                     // in scope 0 at $DIR/aggregate.rs:+3:18: +3:26
+      let mut _8: (u8, i32);               // in scope 0 at $DIR/aggregate.rs:+3:18: +3:24
+      let mut _9: u8;                      // in scope 0 at $DIR/aggregate.rs:+3:19: +3:20
+      scope 1 {
+          debug first => _2;               // in scope 1 at $DIR/aggregate.rs:+2:9: +2:14
+          let _6: i32;                     // in scope 1 at $DIR/aggregate.rs:+3:9: +3:15
+          scope 2 {
+              debug second => _6;          // in scope 2 at $DIR/aggregate.rs:+3:9: +3:15
+          }
+      }
+  
+      bb0: {
+          StorageLive(_2);                 // scope 0 at $DIR/aggregate.rs:+2:9: +2:14
+          StorageLive(_3);                 // scope 0 at $DIR/aggregate.rs:+2:17: +2:25
+          StorageLive(_4);                 // scope 0 at $DIR/aggregate.rs:+2:17: +2:23
+          StorageLive(_5);                 // scope 0 at $DIR/aggregate.rs:+2:21: +2:22
+          _5 = _1;                         // scope 0 at $DIR/aggregate.rs:+2:21: +2:22
+          _4 = (const 0_i32, move _5);     // scope 0 at $DIR/aggregate.rs:+2:17: +2:23
+          StorageDead(_5);                 // scope 0 at $DIR/aggregate.rs:+2:22: +2:23
+-         _3 = (_4.0: i32);                // scope 0 at $DIR/aggregate.rs:+2:17: +2:25
+-         _2 = Add(move _3, const 1_i32);  // scope 0 at $DIR/aggregate.rs:+2:17: +2:29
++         _3 = const 0_i32;                // scope 0 at $DIR/aggregate.rs:+2:17: +2:25
++         _2 = const 1_i32;                // scope 0 at $DIR/aggregate.rs:+2:17: +2:29
+          StorageDead(_3);                 // scope 0 at $DIR/aggregate.rs:+2:28: +2:29
+          StorageDead(_4);                 // scope 0 at $DIR/aggregate.rs:+2:29: +2:30
+          StorageLive(_6);                 // scope 1 at $DIR/aggregate.rs:+3:9: +3:15
+          StorageLive(_7);                 // scope 1 at $DIR/aggregate.rs:+3:18: +3:26
+          StorageLive(_8);                 // scope 1 at $DIR/aggregate.rs:+3:18: +3:24
+          StorageLive(_9);                 // scope 1 at $DIR/aggregate.rs:+3:19: +3:20
+          _9 = _1;                         // scope 1 at $DIR/aggregate.rs:+3:19: +3:20
+          _8 = (move _9, const 1_i32);     // scope 1 at $DIR/aggregate.rs:+3:18: +3:24
+          StorageDead(_9);                 // scope 1 at $DIR/aggregate.rs:+3:23: +3:24
+-         _7 = (_8.1: i32);                // scope 1 at $DIR/aggregate.rs:+3:18: +3:26
+-         _6 = Add(move _7, const 2_i32);  // scope 1 at $DIR/aggregate.rs:+3:18: +3:30
++         _7 = const 1_i32;                // scope 1 at $DIR/aggregate.rs:+3:18: +3:26
++         _6 = const 3_i32;                // scope 1 at $DIR/aggregate.rs:+3:18: +3:30
+          StorageDead(_7);                 // scope 1 at $DIR/aggregate.rs:+3:29: +3:30
+          StorageDead(_8);                 // scope 1 at $DIR/aggregate.rs:+3:30: +3:31
+          _0 = const ();                   // scope 0 at $DIR/aggregate.rs:+0:15: +4:2
+          StorageDead(_6);                 // scope 1 at $DIR/aggregate.rs:+4:1: +4:2
+          StorageDead(_2);                 // scope 0 at $DIR/aggregate.rs:+4:1: +4:2
+          return;                          // scope 0 at $DIR/aggregate.rs:+4:2: +4:2
+      }
+  }
+  
diff --git a/tests/mir-opt/const_prop/aggregate.foo.PreCodegen.after.mir b/tests/mir-opt/const_prop/aggregate.foo.PreCodegen.after.panic-abort.mir
index 2ef6d74e528..2ef6d74e528 100644
--- a/tests/mir-opt/const_prop/aggregate.foo.PreCodegen.after.mir
+++ b/tests/mir-opt/const_prop/aggregate.foo.PreCodegen.after.panic-abort.mir
diff --git a/tests/mir-opt/const_prop/aggregate.foo.PreCodegen.after.panic-unwind.mir b/tests/mir-opt/const_prop/aggregate.foo.PreCodegen.after.panic-unwind.mir
new file mode 100644
index 00000000000..2ef6d74e528
--- /dev/null
+++ b/tests/mir-opt/const_prop/aggregate.foo.PreCodegen.after.panic-unwind.mir
@@ -0,0 +1,49 @@
+// MIR for `foo` after PreCodegen
+
+fn foo(_1: u8) -> () {
+    debug x => _1;                       // in scope 0 at $DIR/aggregate.rs:+0:8: +0:9
+    let mut _0: ();                      // return place in scope 0 at $DIR/aggregate.rs:+0:15: +0:15
+    let _2: i32;                         // in scope 0 at $DIR/aggregate.rs:+2:9: +2:14
+    let mut _3: i32;                     // in scope 0 at $DIR/aggregate.rs:+2:17: +2:25
+    let mut _4: (i32, u8);               // in scope 0 at $DIR/aggregate.rs:+2:17: +2:23
+    let mut _5: u8;                      // in scope 0 at $DIR/aggregate.rs:+2:21: +2:22
+    let mut _7: i32;                     // in scope 0 at $DIR/aggregate.rs:+3:18: +3:26
+    let mut _8: (u8, i32);               // in scope 0 at $DIR/aggregate.rs:+3:18: +3:24
+    let mut _9: u8;                      // in scope 0 at $DIR/aggregate.rs:+3:19: +3:20
+    scope 1 {
+        debug first => _2;               // in scope 1 at $DIR/aggregate.rs:+2:9: +2:14
+        let _6: i32;                     // in scope 1 at $DIR/aggregate.rs:+3:9: +3:15
+        scope 2 {
+            debug second => _6;          // in scope 2 at $DIR/aggregate.rs:+3:9: +3:15
+        }
+    }
+
+    bb0: {
+        StorageLive(_2);                 // scope 0 at $DIR/aggregate.rs:+2:9: +2:14
+        StorageLive(_3);                 // scope 0 at $DIR/aggregate.rs:+2:17: +2:25
+        StorageLive(_4);                 // scope 0 at $DIR/aggregate.rs:+2:17: +2:23
+        StorageLive(_5);                 // scope 0 at $DIR/aggregate.rs:+2:21: +2:22
+        _5 = _1;                         // scope 0 at $DIR/aggregate.rs:+2:21: +2:22
+        _4 = (const 0_i32, move _5);     // scope 0 at $DIR/aggregate.rs:+2:17: +2:23
+        StorageDead(_5);                 // scope 0 at $DIR/aggregate.rs:+2:22: +2:23
+        _3 = const 0_i32;                // scope 0 at $DIR/aggregate.rs:+2:17: +2:25
+        _2 = const 1_i32;                // scope 0 at $DIR/aggregate.rs:+2:17: +2:29
+        StorageDead(_3);                 // scope 0 at $DIR/aggregate.rs:+2:28: +2:29
+        StorageDead(_4);                 // scope 0 at $DIR/aggregate.rs:+2:29: +2:30
+        StorageLive(_6);                 // scope 1 at $DIR/aggregate.rs:+3:9: +3:15
+        StorageLive(_7);                 // scope 1 at $DIR/aggregate.rs:+3:18: +3:26
+        StorageLive(_8);                 // scope 1 at $DIR/aggregate.rs:+3:18: +3:24
+        StorageLive(_9);                 // scope 1 at $DIR/aggregate.rs:+3:19: +3:20
+        _9 = _1;                         // scope 1 at $DIR/aggregate.rs:+3:19: +3:20
+        _8 = (move _9, const 1_i32);     // scope 1 at $DIR/aggregate.rs:+3:18: +3:24
+        StorageDead(_9);                 // scope 1 at $DIR/aggregate.rs:+3:23: +3:24
+        _7 = const 1_i32;                // scope 1 at $DIR/aggregate.rs:+3:18: +3:26
+        _6 = const 3_i32;                // scope 1 at $DIR/aggregate.rs:+3:18: +3:30
+        StorageDead(_7);                 // scope 1 at $DIR/aggregate.rs:+3:29: +3:30
+        StorageDead(_8);                 // scope 1 at $DIR/aggregate.rs:+3:30: +3:31
+        _0 = const ();                   // scope 0 at $DIR/aggregate.rs:+0:15: +4:2
+        StorageDead(_6);                 // scope 1 at $DIR/aggregate.rs:+4:1: +4:2
+        StorageDead(_2);                 // scope 0 at $DIR/aggregate.rs:+4:1: +4:2
+        return;                          // scope 0 at $DIR/aggregate.rs:+4:2: +4:2
+    }
+}
diff --git a/tests/mir-opt/const_prop/aggregate.main.ConstProp.panic-abort.diff b/tests/mir-opt/const_prop/aggregate.main.ConstProp.panic-abort.diff
new file mode 100644
index 00000000000..130c0a8d38c
--- /dev/null
+++ b/tests/mir-opt/const_prop/aggregate.main.ConstProp.panic-abort.diff
@@ -0,0 +1,44 @@
+- // MIR for `main` before ConstProp
++ // MIR for `main` after ConstProp
+  
+  fn main() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/aggregate.rs:+0:11: +0:11
+      let _1: u8;                          // in scope 0 at $DIR/aggregate.rs:+1:9: +1:10
+      let mut _2: u8;                      // in scope 0 at $DIR/aggregate.rs:+1:13: +1:24
+      let mut _3: (i32, u8, i32);          // in scope 0 at $DIR/aggregate.rs:+1:13: +1:22
+      let _4: ();                          // in scope 0 at $DIR/aggregate.rs:+2:5: +2:11
+      let mut _5: u8;                      // in scope 0 at $DIR/aggregate.rs:+2:9: +2:10
+      scope 1 {
+          debug x => _1;                   // in scope 1 at $DIR/aggregate.rs:+1:9: +1:10
+      }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/aggregate.rs:+1:9: +1:10
+          StorageLive(_2);                 // scope 0 at $DIR/aggregate.rs:+1:13: +1:24
+          StorageLive(_3);                 // scope 0 at $DIR/aggregate.rs:+1:13: +1:22
+          _3 = (const 0_i32, const 1_u8, const 2_i32); // scope 0 at $DIR/aggregate.rs:+1:13: +1:22
+-         _2 = (_3.1: u8);                 // scope 0 at $DIR/aggregate.rs:+1:13: +1:24
+-         _1 = Add(move _2, const 0_u8);   // scope 0 at $DIR/aggregate.rs:+1:13: +1:28
++         _2 = const 1_u8;                 // scope 0 at $DIR/aggregate.rs:+1:13: +1:24
++         _1 = const 1_u8;                 // scope 0 at $DIR/aggregate.rs:+1:13: +1:28
+          StorageDead(_2);                 // scope 0 at $DIR/aggregate.rs:+1:27: +1:28
+          StorageDead(_3);                 // scope 0 at $DIR/aggregate.rs:+1:28: +1:29
+          StorageLive(_4);                 // scope 1 at $DIR/aggregate.rs:+2:5: +2:11
+          StorageLive(_5);                 // scope 1 at $DIR/aggregate.rs:+2:9: +2:10
+-         _5 = _1;                         // scope 1 at $DIR/aggregate.rs:+2:9: +2:10
++         _5 = const 1_u8;                 // scope 1 at $DIR/aggregate.rs:+2:9: +2:10
+          _4 = foo(move _5) -> [return: bb1, unwind unreachable]; // scope 1 at $DIR/aggregate.rs:+2:5: +2:11
+                                           // mir::Constant
+                                           // + span: $DIR/aggregate.rs:9:5: 9:8
+                                           // + literal: Const { ty: fn(u8) {foo}, val: Value(<ZST>) }
+      }
+  
+      bb1: {
+          StorageDead(_5);                 // scope 1 at $DIR/aggregate.rs:+2:10: +2:11
+          StorageDead(_4);                 // scope 1 at $DIR/aggregate.rs:+2:11: +2:12
+          _0 = const ();                   // scope 0 at $DIR/aggregate.rs:+0:11: +3:2
+          StorageDead(_1);                 // scope 0 at $DIR/aggregate.rs:+3:1: +3:2
+          return;                          // scope 0 at $DIR/aggregate.rs:+3:2: +3:2
+      }
+  }
+  
diff --git a/tests/mir-opt/const_prop/aggregate.main.ConstProp.diff b/tests/mir-opt/const_prop/aggregate.main.ConstProp.panic-unwind.diff
index 0411972661e..0411972661e 100644
--- a/tests/mir-opt/const_prop/aggregate.main.ConstProp.diff
+++ b/tests/mir-opt/const_prop/aggregate.main.ConstProp.panic-unwind.diff
diff --git a/tests/mir-opt/const_prop/aggregate.main.PreCodegen.after.panic-abort.mir b/tests/mir-opt/const_prop/aggregate.main.PreCodegen.after.panic-abort.mir
new file mode 100644
index 00000000000..06243db8b7e
--- /dev/null
+++ b/tests/mir-opt/const_prop/aggregate.main.PreCodegen.after.panic-abort.mir
@@ -0,0 +1,39 @@
+// MIR for `main` after PreCodegen
+
+fn main() -> () {
+    let mut _0: ();                      // return place in scope 0 at $DIR/aggregate.rs:+0:11: +0:11
+    let _1: u8;                          // in scope 0 at $DIR/aggregate.rs:+1:9: +1:10
+    let mut _2: u8;                      // in scope 0 at $DIR/aggregate.rs:+1:13: +1:24
+    let mut _3: (i32, u8, i32);          // in scope 0 at $DIR/aggregate.rs:+1:13: +1:22
+    let _4: ();                          // in scope 0 at $DIR/aggregate.rs:+2:5: +2:11
+    let mut _5: u8;                      // in scope 0 at $DIR/aggregate.rs:+2:9: +2:10
+    scope 1 {
+        debug x => _1;                   // in scope 1 at $DIR/aggregate.rs:+1:9: +1:10
+    }
+
+    bb0: {
+        StorageLive(_1);                 // scope 0 at $DIR/aggregate.rs:+1:9: +1:10
+        StorageLive(_2);                 // scope 0 at $DIR/aggregate.rs:+1:13: +1:24
+        StorageLive(_3);                 // scope 0 at $DIR/aggregate.rs:+1:13: +1:22
+        _3 = (const 0_i32, const 1_u8, const 2_i32); // scope 0 at $DIR/aggregate.rs:+1:13: +1:22
+        _2 = const 1_u8;                 // scope 0 at $DIR/aggregate.rs:+1:13: +1:24
+        _1 = const 1_u8;                 // scope 0 at $DIR/aggregate.rs:+1:13: +1:28
+        StorageDead(_2);                 // scope 0 at $DIR/aggregate.rs:+1:27: +1:28
+        StorageDead(_3);                 // scope 0 at $DIR/aggregate.rs:+1:28: +1:29
+        StorageLive(_4);                 // scope 1 at $DIR/aggregate.rs:+2:5: +2:11
+        StorageLive(_5);                 // scope 1 at $DIR/aggregate.rs:+2:9: +2:10
+        _5 = const 1_u8;                 // scope 1 at $DIR/aggregate.rs:+2:9: +2:10
+        _4 = foo(move _5) -> [return: bb1, unwind unreachable]; // scope 1 at $DIR/aggregate.rs:+2:5: +2:11
+                                         // mir::Constant
+                                         // + span: $DIR/aggregate.rs:9:5: 9:8
+                                         // + literal: Const { ty: fn(u8) {foo}, val: Value(<ZST>) }
+    }
+
+    bb1: {
+        StorageDead(_5);                 // scope 1 at $DIR/aggregate.rs:+2:10: +2:11
+        StorageDead(_4);                 // scope 1 at $DIR/aggregate.rs:+2:11: +2:12
+        _0 = const ();                   // scope 0 at $DIR/aggregate.rs:+0:11: +3:2
+        StorageDead(_1);                 // scope 0 at $DIR/aggregate.rs:+3:1: +3:2
+        return;                          // scope 0 at $DIR/aggregate.rs:+3:2: +3:2
+    }
+}
diff --git a/tests/mir-opt/const_prop/aggregate.main.PreCodegen.after.mir b/tests/mir-opt/const_prop/aggregate.main.PreCodegen.after.panic-unwind.mir
index 05d4bf8b52e..05d4bf8b52e 100644
--- a/tests/mir-opt/const_prop/aggregate.main.PreCodegen.after.mir
+++ b/tests/mir-opt/const_prop/aggregate.main.PreCodegen.after.panic-unwind.mir
diff --git a/tests/mir-opt/const_prop/array_index.main.ConstProp.32bit.panic-abort.diff b/tests/mir-opt/const_prop/array_index.main.ConstProp.32bit.panic-abort.diff
new file mode 100644
index 00000000000..0859a1671da
--- /dev/null
+++ b/tests/mir-opt/const_prop/array_index.main.ConstProp.32bit.panic-abort.diff
@@ -0,0 +1,39 @@
+- // MIR for `main` before ConstProp
++ // MIR for `main` after ConstProp
+  
+  fn main() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/array_index.rs:+0:11: +0:11
+      let _1: u32;                         // in scope 0 at $DIR/array_index.rs:+1:9: +1:10
+      let mut _2: [u32; 4];                // in scope 0 at $DIR/array_index.rs:+1:18: +1:30
+      let _3: usize;                       // in scope 0 at $DIR/array_index.rs:+1:31: +1:32
+      let mut _4: usize;                   // in scope 0 at $DIR/array_index.rs:+1:18: +1:33
+      let mut _5: bool;                    // in scope 0 at $DIR/array_index.rs:+1:18: +1:33
+      scope 1 {
+          debug x => _1;                   // in scope 1 at $DIR/array_index.rs:+1:9: +1:10
+      }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/array_index.rs:+1:9: +1:10
+          StorageLive(_2);                 // scope 0 at $DIR/array_index.rs:+1:18: +1:30
+          _2 = [const 0_u32, const 1_u32, const 2_u32, const 3_u32]; // scope 0 at $DIR/array_index.rs:+1:18: +1:30
+          StorageLive(_3);                 // scope 0 at $DIR/array_index.rs:+1:31: +1:32
+          _3 = const 2_usize;              // scope 0 at $DIR/array_index.rs:+1:31: +1:32
+-         _4 = Len(_2);                    // scope 0 at $DIR/array_index.rs:+1:18: +1:33
+-         _5 = Lt(_3, _4);                 // scope 0 at $DIR/array_index.rs:+1:18: +1:33
+-         assert(move _5, "index out of bounds: the length is {} but the index is {}", move _4, _3) -> [success: bb1, unwind unreachable]; // scope 0 at $DIR/array_index.rs:+1:18: +1:33
++         _4 = const 4_usize;              // scope 0 at $DIR/array_index.rs:+1:18: +1:33
++         _5 = const true;                 // scope 0 at $DIR/array_index.rs:+1:18: +1:33
++         assert(const true, "index out of bounds: the length is {} but the index is {}", move _4, _3) -> [success: bb1, unwind unreachable]; // scope 0 at $DIR/array_index.rs:+1:18: +1:33
+      }
+  
+      bb1: {
+-         _1 = _2[_3];                     // scope 0 at $DIR/array_index.rs:+1:18: +1:33
++         _1 = const 2_u32;                // scope 0 at $DIR/array_index.rs:+1:18: +1:33
+          StorageDead(_3);                 // scope 0 at $DIR/array_index.rs:+1:33: +1:34
+          StorageDead(_2);                 // scope 0 at $DIR/array_index.rs:+1:33: +1:34
+          _0 = const ();                   // scope 0 at $DIR/array_index.rs:+0:11: +2:2
+          StorageDead(_1);                 // scope 0 at $DIR/array_index.rs:+2:1: +2:2
+          return;                          // scope 0 at $DIR/array_index.rs:+2:2: +2:2
+      }
+  }
+  
diff --git a/tests/mir-opt/const_prop/array_index.main.ConstProp.32bit.diff b/tests/mir-opt/const_prop/array_index.main.ConstProp.32bit.panic-unwind.diff
index 439b2a3e16b..439b2a3e16b 100644
--- a/tests/mir-opt/const_prop/array_index.main.ConstProp.32bit.diff
+++ b/tests/mir-opt/const_prop/array_index.main.ConstProp.32bit.panic-unwind.diff
diff --git a/tests/mir-opt/const_prop/array_index.main.ConstProp.64bit.panic-abort.diff b/tests/mir-opt/const_prop/array_index.main.ConstProp.64bit.panic-abort.diff
new file mode 100644
index 00000000000..0859a1671da
--- /dev/null
+++ b/tests/mir-opt/const_prop/array_index.main.ConstProp.64bit.panic-abort.diff
@@ -0,0 +1,39 @@
+- // MIR for `main` before ConstProp
++ // MIR for `main` after ConstProp
+  
+  fn main() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/array_index.rs:+0:11: +0:11
+      let _1: u32;                         // in scope 0 at $DIR/array_index.rs:+1:9: +1:10
+      let mut _2: [u32; 4];                // in scope 0 at $DIR/array_index.rs:+1:18: +1:30
+      let _3: usize;                       // in scope 0 at $DIR/array_index.rs:+1:31: +1:32
+      let mut _4: usize;                   // in scope 0 at $DIR/array_index.rs:+1:18: +1:33
+      let mut _5: bool;                    // in scope 0 at $DIR/array_index.rs:+1:18: +1:33
+      scope 1 {
+          debug x => _1;                   // in scope 1 at $DIR/array_index.rs:+1:9: +1:10
+      }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/array_index.rs:+1:9: +1:10
+          StorageLive(_2);                 // scope 0 at $DIR/array_index.rs:+1:18: +1:30
+          _2 = [const 0_u32, const 1_u32, const 2_u32, const 3_u32]; // scope 0 at $DIR/array_index.rs:+1:18: +1:30
+          StorageLive(_3);                 // scope 0 at $DIR/array_index.rs:+1:31: +1:32
+          _3 = const 2_usize;              // scope 0 at $DIR/array_index.rs:+1:31: +1:32
+-         _4 = Len(_2);                    // scope 0 at $DIR/array_index.rs:+1:18: +1:33
+-         _5 = Lt(_3, _4);                 // scope 0 at $DIR/array_index.rs:+1:18: +1:33
+-         assert(move _5, "index out of bounds: the length is {} but the index is {}", move _4, _3) -> [success: bb1, unwind unreachable]; // scope 0 at $DIR/array_index.rs:+1:18: +1:33
++         _4 = const 4_usize;              // scope 0 at $DIR/array_index.rs:+1:18: +1:33
++         _5 = const true;                 // scope 0 at $DIR/array_index.rs:+1:18: +1:33
++         assert(const true, "index out of bounds: the length is {} but the index is {}", move _4, _3) -> [success: bb1, unwind unreachable]; // scope 0 at $DIR/array_index.rs:+1:18: +1:33
+      }
+  
+      bb1: {
+-         _1 = _2[_3];                     // scope 0 at $DIR/array_index.rs:+1:18: +1:33
++         _1 = const 2_u32;                // scope 0 at $DIR/array_index.rs:+1:18: +1:33
+          StorageDead(_3);                 // scope 0 at $DIR/array_index.rs:+1:33: +1:34
+          StorageDead(_2);                 // scope 0 at $DIR/array_index.rs:+1:33: +1:34
+          _0 = const ();                   // scope 0 at $DIR/array_index.rs:+0:11: +2:2
+          StorageDead(_1);                 // scope 0 at $DIR/array_index.rs:+2:1: +2:2
+          return;                          // scope 0 at $DIR/array_index.rs:+2:2: +2:2
+      }
+  }
+  
diff --git a/tests/mir-opt/const_prop/array_index.main.ConstProp.64bit.diff b/tests/mir-opt/const_prop/array_index.main.ConstProp.64bit.panic-unwind.diff
index 439b2a3e16b..439b2a3e16b 100644
--- a/tests/mir-opt/const_prop/array_index.main.ConstProp.64bit.diff
+++ b/tests/mir-opt/const_prop/array_index.main.ConstProp.64bit.panic-unwind.diff
diff --git a/tests/mir-opt/const_prop/bad_op_div_by_zero.main.ConstProp.panic-abort.diff b/tests/mir-opt/const_prop/bad_op_div_by_zero.main.ConstProp.panic-abort.diff
new file mode 100644
index 00000000000..5ec96b440b9
--- /dev/null
+++ b/tests/mir-opt/const_prop/bad_op_div_by_zero.main.ConstProp.panic-abort.diff
@@ -0,0 +1,53 @@
+- // MIR for `main` before ConstProp
++ // MIR for `main` after ConstProp
+  
+  fn main() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/bad_op_div_by_zero.rs:+0:11: +0:11
+      let _1: i32;                         // in scope 0 at $DIR/bad_op_div_by_zero.rs:+1:9: +1:10
+      let mut _3: i32;                     // in scope 0 at $DIR/bad_op_div_by_zero.rs:+2:18: +2:19
+      let mut _4: bool;                    // in scope 0 at $DIR/bad_op_div_by_zero.rs:+2:14: +2:19
+      let mut _5: bool;                    // in scope 0 at $DIR/bad_op_div_by_zero.rs:+2:14: +2:19
+      let mut _6: bool;                    // in scope 0 at $DIR/bad_op_div_by_zero.rs:+2:14: +2:19
+      let mut _7: bool;                    // in scope 0 at $DIR/bad_op_div_by_zero.rs:+2:14: +2:19
+      scope 1 {
+          debug y => _1;                   // in scope 1 at $DIR/bad_op_div_by_zero.rs:+1:9: +1:10
+          let _2: i32;                     // in scope 1 at $DIR/bad_op_div_by_zero.rs:+2:9: +2:11
+          scope 2 {
+              debug _z => _2;              // in scope 2 at $DIR/bad_op_div_by_zero.rs:+2:9: +2:11
+          }
+      }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/bad_op_div_by_zero.rs:+1:9: +1:10
+          _1 = const 0_i32;                // scope 0 at $DIR/bad_op_div_by_zero.rs:+1:13: +1:14
+          StorageLive(_2);                 // scope 1 at $DIR/bad_op_div_by_zero.rs:+2:9: +2:11
+          StorageLive(_3);                 // scope 1 at $DIR/bad_op_div_by_zero.rs:+2:18: +2:19
+-         _3 = _1;                         // scope 1 at $DIR/bad_op_div_by_zero.rs:+2:18: +2:19
+-         _4 = Eq(_3, const 0_i32);        // scope 1 at $DIR/bad_op_div_by_zero.rs:+2:14: +2:19
+-         assert(!move _4, "attempt to divide `{}` by zero", const 1_i32) -> [success: bb1, unwind unreachable]; // scope 1 at $DIR/bad_op_div_by_zero.rs:+2:14: +2:19
++         _3 = const 0_i32;                // scope 1 at $DIR/bad_op_div_by_zero.rs:+2:18: +2:19
++         _4 = const true;                 // scope 1 at $DIR/bad_op_div_by_zero.rs:+2:14: +2:19
++         assert(!const true, "attempt to divide `{}` by zero", const 1_i32) -> [success: bb1, unwind unreachable]; // scope 1 at $DIR/bad_op_div_by_zero.rs:+2:14: +2:19
+      }
+  
+      bb1: {
+-         _5 = Eq(_3, const -1_i32);       // scope 1 at $DIR/bad_op_div_by_zero.rs:+2:14: +2:19
+-         _6 = Eq(const 1_i32, const i32::MIN); // scope 1 at $DIR/bad_op_div_by_zero.rs:+2:14: +2:19
+-         _7 = BitAnd(move _5, move _6);   // scope 1 at $DIR/bad_op_div_by_zero.rs:+2:14: +2:19
+-         assert(!move _7, "attempt to compute `{} / {}`, which would overflow", const 1_i32, _3) -> [success: bb2, unwind unreachable]; // scope 1 at $DIR/bad_op_div_by_zero.rs:+2:14: +2:19
++         _5 = const false;                // scope 1 at $DIR/bad_op_div_by_zero.rs:+2:14: +2:19
++         _6 = const false;                // scope 1 at $DIR/bad_op_div_by_zero.rs:+2:14: +2:19
++         _7 = const false;                // scope 1 at $DIR/bad_op_div_by_zero.rs:+2:14: +2:19
++         assert(!const false, "attempt to compute `{} / {}`, which would overflow", const 1_i32, _3) -> [success: bb2, unwind unreachable]; // scope 1 at $DIR/bad_op_div_by_zero.rs:+2:14: +2:19
+      }
+  
+      bb2: {
+          _2 = Div(const 1_i32, move _3);  // scope 1 at $DIR/bad_op_div_by_zero.rs:+2:14: +2:19
+          StorageDead(_3);                 // scope 1 at $DIR/bad_op_div_by_zero.rs:+2:18: +2:19
+          _0 = const ();                   // scope 0 at $DIR/bad_op_div_by_zero.rs:+0:11: +3:2
+          StorageDead(_2);                 // scope 1 at $DIR/bad_op_div_by_zero.rs:+3:1: +3:2
+          StorageDead(_1);                 // scope 0 at $DIR/bad_op_div_by_zero.rs:+3:1: +3:2
+          return;                          // scope 0 at $DIR/bad_op_div_by_zero.rs:+3:2: +3:2
+      }
+  }
+  
diff --git a/tests/mir-opt/const_prop/bad_op_div_by_zero.main.ConstProp.diff b/tests/mir-opt/const_prop/bad_op_div_by_zero.main.ConstProp.panic-unwind.diff
index 900061a484b..900061a484b 100644
--- a/tests/mir-opt/const_prop/bad_op_div_by_zero.main.ConstProp.diff
+++ b/tests/mir-opt/const_prop/bad_op_div_by_zero.main.ConstProp.panic-unwind.diff
diff --git a/tests/mir-opt/const_prop/bad_op_mod_by_zero.main.ConstProp.panic-abort.diff b/tests/mir-opt/const_prop/bad_op_mod_by_zero.main.ConstProp.panic-abort.diff
new file mode 100644
index 00000000000..fa9a2a09ba3
--- /dev/null
+++ b/tests/mir-opt/const_prop/bad_op_mod_by_zero.main.ConstProp.panic-abort.diff
@@ -0,0 +1,53 @@
+- // MIR for `main` before ConstProp
++ // MIR for `main` after ConstProp
+  
+  fn main() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/bad_op_mod_by_zero.rs:+0:11: +0:11
+      let _1: i32;                         // in scope 0 at $DIR/bad_op_mod_by_zero.rs:+1:9: +1:10
+      let mut _3: i32;                     // in scope 0 at $DIR/bad_op_mod_by_zero.rs:+2:18: +2:19
+      let mut _4: bool;                    // in scope 0 at $DIR/bad_op_mod_by_zero.rs:+2:14: +2:19
+      let mut _5: bool;                    // in scope 0 at $DIR/bad_op_mod_by_zero.rs:+2:14: +2:19
+      let mut _6: bool;                    // in scope 0 at $DIR/bad_op_mod_by_zero.rs:+2:14: +2:19
+      let mut _7: bool;                    // in scope 0 at $DIR/bad_op_mod_by_zero.rs:+2:14: +2:19
+      scope 1 {
+          debug y => _1;                   // in scope 1 at $DIR/bad_op_mod_by_zero.rs:+1:9: +1:10
+          let _2: i32;                     // in scope 1 at $DIR/bad_op_mod_by_zero.rs:+2:9: +2:11
+          scope 2 {
+              debug _z => _2;              // in scope 2 at $DIR/bad_op_mod_by_zero.rs:+2:9: +2:11
+          }
+      }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/bad_op_mod_by_zero.rs:+1:9: +1:10
+          _1 = const 0_i32;                // scope 0 at $DIR/bad_op_mod_by_zero.rs:+1:13: +1:14
+          StorageLive(_2);                 // scope 1 at $DIR/bad_op_mod_by_zero.rs:+2:9: +2:11
+          StorageLive(_3);                 // scope 1 at $DIR/bad_op_mod_by_zero.rs:+2:18: +2:19
+-         _3 = _1;                         // scope 1 at $DIR/bad_op_mod_by_zero.rs:+2:18: +2:19
+-         _4 = Eq(_3, const 0_i32);        // scope 1 at $DIR/bad_op_mod_by_zero.rs:+2:14: +2:19
+-         assert(!move _4, "attempt to calculate the remainder of `{}` with a divisor of zero", const 1_i32) -> [success: bb1, unwind unreachable]; // scope 1 at $DIR/bad_op_mod_by_zero.rs:+2:14: +2:19
++         _3 = const 0_i32;                // scope 1 at $DIR/bad_op_mod_by_zero.rs:+2:18: +2:19
++         _4 = const true;                 // scope 1 at $DIR/bad_op_mod_by_zero.rs:+2:14: +2:19
++         assert(!const true, "attempt to calculate the remainder of `{}` with a divisor of zero", const 1_i32) -> [success: bb1, unwind unreachable]; // scope 1 at $DIR/bad_op_mod_by_zero.rs:+2:14: +2:19
+      }
+  
+      bb1: {
+-         _5 = Eq(_3, const -1_i32);       // scope 1 at $DIR/bad_op_mod_by_zero.rs:+2:14: +2:19
+-         _6 = Eq(const 1_i32, const i32::MIN); // scope 1 at $DIR/bad_op_mod_by_zero.rs:+2:14: +2:19
+-         _7 = BitAnd(move _5, move _6);   // scope 1 at $DIR/bad_op_mod_by_zero.rs:+2:14: +2:19
+-         assert(!move _7, "attempt to compute the remainder of `{} % {}`, which would overflow", const 1_i32, _3) -> [success: bb2, unwind unreachable]; // scope 1 at $DIR/bad_op_mod_by_zero.rs:+2:14: +2:19
++         _5 = const false;                // scope 1 at $DIR/bad_op_mod_by_zero.rs:+2:14: +2:19
++         _6 = const false;                // scope 1 at $DIR/bad_op_mod_by_zero.rs:+2:14: +2:19
++         _7 = const false;                // scope 1 at $DIR/bad_op_mod_by_zero.rs:+2:14: +2:19
++         assert(!const false, "attempt to compute the remainder of `{} % {}`, which would overflow", const 1_i32, _3) -> [success: bb2, unwind unreachable]; // scope 1 at $DIR/bad_op_mod_by_zero.rs:+2:14: +2:19
+      }
+  
+      bb2: {
+          _2 = Rem(const 1_i32, move _3);  // scope 1 at $DIR/bad_op_mod_by_zero.rs:+2:14: +2:19
+          StorageDead(_3);                 // scope 1 at $DIR/bad_op_mod_by_zero.rs:+2:18: +2:19
+          _0 = const ();                   // scope 0 at $DIR/bad_op_mod_by_zero.rs:+0:11: +3:2
+          StorageDead(_2);                 // scope 1 at $DIR/bad_op_mod_by_zero.rs:+3:1: +3:2
+          StorageDead(_1);                 // scope 0 at $DIR/bad_op_mod_by_zero.rs:+3:1: +3:2
+          return;                          // scope 0 at $DIR/bad_op_mod_by_zero.rs:+3:2: +3:2
+      }
+  }
+  
diff --git a/tests/mir-opt/const_prop/bad_op_mod_by_zero.main.ConstProp.diff b/tests/mir-opt/const_prop/bad_op_mod_by_zero.main.ConstProp.panic-unwind.diff
index 85d6b5e3d00..85d6b5e3d00 100644
--- a/tests/mir-opt/const_prop/bad_op_mod_by_zero.main.ConstProp.diff
+++ b/tests/mir-opt/const_prop/bad_op_mod_by_zero.main.ConstProp.panic-unwind.diff
diff --git a/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.ConstProp.32bit.panic-abort.diff b/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.ConstProp.32bit.panic-abort.diff
new file mode 100644
index 00000000000..ebe38a8f294
--- /dev/null
+++ b/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.ConstProp.32bit.panic-abort.diff
@@ -0,0 +1,57 @@
+- // MIR for `main` before ConstProp
++ // MIR for `main` after ConstProp
+  
+  fn main() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+0:11: +0:11
+      let _1: *const [i32];                // in scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+1:9: +1:10
+      let mut _2: *const [i32; 3];         // in scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+1:25: +1:35
+      let _3: &[i32; 3];                   // in scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+1:25: +1:35
+      let _4: [i32; 3];                    // in scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+1:26: +1:35
+      let _6: usize;                       // in scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:23: +3:24
+      let mut _7: usize;                   // in scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:18: +3:25
+      let mut _8: bool;                    // in scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:18: +3:25
+      let mut _9: &[i32; 3];               // in scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+1:25: +1:35
+      scope 1 {
+          debug a => _1;                   // in scope 1 at $DIR/bad_op_unsafe_oob_for_slices.rs:+1:9: +1:10
+          scope 2 {
+              let _5: i32;                 // in scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:13: +3:15
+              scope 3 {
+                  debug _b => _5;          // in scope 3 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:13: +3:15
+              }
+          }
+      }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+1:9: +1:10
+          StorageLive(_2);                 // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+1:25: +1:35
+          StorageLive(_3);                 // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+1:25: +1:35
+          _9 = const _;                    // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+1:25: +1:35
+                                           // mir::Constant
+                                           // + span: $DIR/bad_op_unsafe_oob_for_slices.rs:9:25: 9:35
+                                           // + literal: Const { ty: &[i32; 3], val: Unevaluated(main, [], Some(promoted[0])) }
+          _3 = &(*_9);                     // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+1:25: +1:35
+          _2 = &raw const (*_3);           // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+1:25: +1:35
+          _1 = move _2 as *const [i32] (Pointer(Unsize)); // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+1:25: +1:35
+          StorageDead(_2);                 // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+1:34: +1:35
+          StorageDead(_3);                 // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+1:35: +1:36
+          StorageLive(_5);                 // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:13: +3:15
+          StorageLive(_6);                 // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:23: +3:24
+          _6 = const 3_usize;              // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:23: +3:24
+          _7 = const 3_usize;              // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:18: +3:25
+-         _8 = Lt(_6, _7);                 // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:18: +3:25
+-         assert(move _8, "index out of bounds: the length is {} but the index is {}", move _7, _6) -> [success: bb1, unwind unreachable]; // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:18: +3:25
++         _8 = const false;                // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:18: +3:25
++         assert(const false, "index out of bounds: the length is {} but the index is {}", move _7, _6) -> [success: bb1, unwind unreachable]; // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:18: +3:25
+      }
+  
+      bb1: {
+-         _5 = (*_1)[_6];                  // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:18: +3:25
++         _5 = (*_1)[3 of 4];              // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:18: +3:25
+          StorageDead(_6);                 // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:25: +3:26
+          _0 = const ();                   // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+2:5: +4:6
+          StorageDead(_5);                 // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+4:5: +4:6
+          StorageDead(_1);                 // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+5:1: +5:2
+          return;                          // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+5:2: +5:2
+      }
+  }
+  
diff --git a/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.ConstProp.32bit.diff b/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.ConstProp.32bit.panic-unwind.diff
index d72675c2d11..d72675c2d11 100644
--- a/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.ConstProp.32bit.diff
+++ b/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.ConstProp.32bit.panic-unwind.diff
diff --git a/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.ConstProp.64bit.panic-abort.diff b/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.ConstProp.64bit.panic-abort.diff
new file mode 100644
index 00000000000..ebe38a8f294
--- /dev/null
+++ b/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.ConstProp.64bit.panic-abort.diff
@@ -0,0 +1,57 @@
+- // MIR for `main` before ConstProp
++ // MIR for `main` after ConstProp
+  
+  fn main() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+0:11: +0:11
+      let _1: *const [i32];                // in scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+1:9: +1:10
+      let mut _2: *const [i32; 3];         // in scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+1:25: +1:35
+      let _3: &[i32; 3];                   // in scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+1:25: +1:35
+      let _4: [i32; 3];                    // in scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+1:26: +1:35
+      let _6: usize;                       // in scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:23: +3:24
+      let mut _7: usize;                   // in scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:18: +3:25
+      let mut _8: bool;                    // in scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:18: +3:25
+      let mut _9: &[i32; 3];               // in scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+1:25: +1:35
+      scope 1 {
+          debug a => _1;                   // in scope 1 at $DIR/bad_op_unsafe_oob_for_slices.rs:+1:9: +1:10
+          scope 2 {
+              let _5: i32;                 // in scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:13: +3:15
+              scope 3 {
+                  debug _b => _5;          // in scope 3 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:13: +3:15
+              }
+          }
+      }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+1:9: +1:10
+          StorageLive(_2);                 // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+1:25: +1:35
+          StorageLive(_3);                 // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+1:25: +1:35
+          _9 = const _;                    // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+1:25: +1:35
+                                           // mir::Constant
+                                           // + span: $DIR/bad_op_unsafe_oob_for_slices.rs:9:25: 9:35
+                                           // + literal: Const { ty: &[i32; 3], val: Unevaluated(main, [], Some(promoted[0])) }
+          _3 = &(*_9);                     // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+1:25: +1:35
+          _2 = &raw const (*_3);           // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+1:25: +1:35
+          _1 = move _2 as *const [i32] (Pointer(Unsize)); // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+1:25: +1:35
+          StorageDead(_2);                 // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+1:34: +1:35
+          StorageDead(_3);                 // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+1:35: +1:36
+          StorageLive(_5);                 // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:13: +3:15
+          StorageLive(_6);                 // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:23: +3:24
+          _6 = const 3_usize;              // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:23: +3:24
+          _7 = const 3_usize;              // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:18: +3:25
+-         _8 = Lt(_6, _7);                 // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:18: +3:25
+-         assert(move _8, "index out of bounds: the length is {} but the index is {}", move _7, _6) -> [success: bb1, unwind unreachable]; // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:18: +3:25
++         _8 = const false;                // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:18: +3:25
++         assert(const false, "index out of bounds: the length is {} but the index is {}", move _7, _6) -> [success: bb1, unwind unreachable]; // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:18: +3:25
+      }
+  
+      bb1: {
+-         _5 = (*_1)[_6];                  // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:18: +3:25
++         _5 = (*_1)[3 of 4];              // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:18: +3:25
+          StorageDead(_6);                 // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+3:25: +3:26
+          _0 = const ();                   // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+2:5: +4:6
+          StorageDead(_5);                 // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:+4:5: +4:6
+          StorageDead(_1);                 // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+5:1: +5:2
+          return;                          // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:+5:2: +5:2
+      }
+  }
+  
diff --git a/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.ConstProp.64bit.diff b/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.ConstProp.64bit.panic-unwind.diff
index d72675c2d11..d72675c2d11 100644
--- a/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.ConstProp.64bit.diff
+++ b/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.ConstProp.64bit.panic-unwind.diff
diff --git a/tests/mir-opt/const_prop/boxes.main.ConstProp.panic-abort.diff b/tests/mir-opt/const_prop/boxes.main.ConstProp.panic-abort.diff
new file mode 100644
index 00000000000..2cc0b98acfd
--- /dev/null
+++ b/tests/mir-opt/const_prop/boxes.main.ConstProp.panic-abort.diff
@@ -0,0 +1,56 @@
+- // MIR for `main` before ConstProp
++ // MIR for `main` after ConstProp
+  
+  fn main() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/boxes.rs:+0:11: +0:11
+      let _1: i32;                         // in scope 0 at $DIR/boxes.rs:+1:9: +1:10
+      let mut _2: i32;                     // in scope 0 at $DIR/boxes.rs:+1:13: +2:18
+      let mut _3: std::boxed::Box<i32>;    // in scope 0 at $DIR/boxes.rs:+1:14: +2:18
+      let mut _4: usize;                   // in scope 0 at $DIR/boxes.rs:+1:14: +2:18
+      let mut _5: usize;                   // in scope 0 at $DIR/boxes.rs:+1:14: +2:18
+      let mut _6: *mut u8;                 // in scope 0 at $DIR/boxes.rs:+1:14: +2:18
+      let mut _7: std::boxed::Box<i32>;    // in scope 0 at $DIR/boxes.rs:+1:14: +2:18
+      let mut _8: *const i32;              // in scope 0 at $DIR/boxes.rs:+1:14: +2:18
+      let mut _9: *const i32;              // in scope 0 at $DIR/boxes.rs:+1:14: +2:18
+      scope 1 {
+          debug x => _1;                   // in scope 1 at $DIR/boxes.rs:+1:9: +1:10
+      }
+      scope 2 {
+      }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/boxes.rs:+1:9: +1:10
+          StorageLive(_2);                 // scope 0 at $DIR/boxes.rs:+1:13: +2:18
+          StorageLive(_3);                 // scope 0 at $DIR/boxes.rs:+1:14: +2:18
+-         _4 = SizeOf(i32);                // scope 2 at $DIR/boxes.rs:+1:14: +2:18
+-         _5 = AlignOf(i32);               // scope 2 at $DIR/boxes.rs:+1:14: +2:18
++         _4 = const 4_usize;              // scope 2 at $DIR/boxes.rs:+1:14: +2:18
++         _5 = const 4_usize;              // scope 2 at $DIR/boxes.rs:+1:14: +2:18
+          _6 = alloc::alloc::exchange_malloc(move _4, move _5) -> [return: bb1, unwind unreachable]; // scope 2 at $DIR/boxes.rs:+1:14: +2:18
+                                           // mir::Constant
+                                           // + span: $DIR/boxes.rs:13:14: 14:18
+                                           // + literal: Const { ty: unsafe fn(usize, usize) -> *mut u8 {alloc::alloc::exchange_malloc}, val: Value(<ZST>) }
+      }
+  
+      bb1: {
+          StorageLive(_7);                 // scope 0 at $DIR/boxes.rs:+1:14: +2:18
+          _7 = ShallowInitBox(move _6, i32); // scope 0 at $DIR/boxes.rs:+1:14: +2:18
+          _8 = (((_7.0: std::ptr::Unique<i32>).0: std::ptr::NonNull<i32>).0: *const i32); // scope 0 at $DIR/boxes.rs:+2:14: +2:16
+          (*_8) = const 42_i32;            // scope 0 at $DIR/boxes.rs:+2:14: +2:16
+          _3 = move _7;                    // scope 0 at $DIR/boxes.rs:+1:14: +2:18
+          StorageDead(_7);                 // scope 0 at $DIR/boxes.rs:+2:17: +2:18
+          _9 = (((_3.0: std::ptr::Unique<i32>).0: std::ptr::NonNull<i32>).0: *const i32); // scope 0 at $DIR/boxes.rs:+1:13: +2:18
+          _2 = (*_9);                      // scope 0 at $DIR/boxes.rs:+1:13: +2:18
+          _1 = Add(move _2, const 0_i32);  // scope 0 at $DIR/boxes.rs:+1:13: +3:12
+          StorageDead(_2);                 // scope 0 at $DIR/boxes.rs:+3:11: +3:12
+          drop(_3) -> [return: bb2, unwind unreachable]; // scope 0 at $DIR/boxes.rs:+3:12: +3:13
+      }
+  
+      bb2: {
+          StorageDead(_3);                 // scope 0 at $DIR/boxes.rs:+3:12: +3:13
+          _0 = const ();                   // scope 0 at $DIR/boxes.rs:+0:11: +4:2
+          StorageDead(_1);                 // scope 0 at $DIR/boxes.rs:+4:1: +4:2
+          return;                          // scope 0 at $DIR/boxes.rs:+4:2: +4:2
+      }
+  }
+  
diff --git a/tests/mir-opt/const_prop/boxes.main.ConstProp.diff b/tests/mir-opt/const_prop/boxes.main.ConstProp.panic-unwind.diff
index b0e86e7537f..b0e86e7537f 100644
--- a/tests/mir-opt/const_prop/boxes.main.ConstProp.diff
+++ b/tests/mir-opt/const_prop/boxes.main.ConstProp.panic-unwind.diff
diff --git a/tests/mir-opt/const_prop/checked_add.main.ConstProp.panic-abort.diff b/tests/mir-opt/const_prop/checked_add.main.ConstProp.panic-abort.diff
new file mode 100644
index 00000000000..ba318d8eb35
--- /dev/null
+++ b/tests/mir-opt/const_prop/checked_add.main.ConstProp.panic-abort.diff
@@ -0,0 +1,28 @@
+- // MIR for `main` before ConstProp
++ // MIR for `main` after ConstProp
+  
+  fn main() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/checked_add.rs:+0:11: +0:11
+      let _1: u32;                         // in scope 0 at $DIR/checked_add.rs:+1:9: +1:10
+      let mut _2: (u32, bool);             // in scope 0 at $DIR/checked_add.rs:+1:18: +1:23
+      scope 1 {
+          debug x => _1;                   // in scope 1 at $DIR/checked_add.rs:+1:9: +1:10
+      }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/checked_add.rs:+1:9: +1:10
+-         _2 = CheckedAdd(const 1_u32, const 1_u32); // scope 0 at $DIR/checked_add.rs:+1:18: +1:23
+-         assert(!move (_2.1: bool), "attempt to compute `{} + {}`, which would overflow", const 1_u32, const 1_u32) -> [success: bb1, unwind unreachable]; // scope 0 at $DIR/checked_add.rs:+1:18: +1:23
++         _2 = const (2_u32, false);       // scope 0 at $DIR/checked_add.rs:+1:18: +1:23
++         assert(!const false, "attempt to compute `{} + {}`, which would overflow", const 1_u32, const 1_u32) -> [success: bb1, unwind unreachable]; // scope 0 at $DIR/checked_add.rs:+1:18: +1:23
+      }
+  
+      bb1: {
+-         _1 = move (_2.0: u32);           // scope 0 at $DIR/checked_add.rs:+1:18: +1:23
++         _1 = const 2_u32;                // scope 0 at $DIR/checked_add.rs:+1:18: +1:23
+          _0 = const ();                   // scope 0 at $DIR/checked_add.rs:+0:11: +2:2
+          StorageDead(_1);                 // scope 0 at $DIR/checked_add.rs:+2:1: +2:2
+          return;                          // scope 0 at $DIR/checked_add.rs:+2:2: +2:2
+      }
+  }
+  
diff --git a/tests/mir-opt/const_prop/checked_add.main.ConstProp.diff b/tests/mir-opt/const_prop/checked_add.main.ConstProp.panic-unwind.diff
index 96d0d25664a..96d0d25664a 100644
--- a/tests/mir-opt/const_prop/checked_add.main.ConstProp.diff
+++ b/tests/mir-opt/const_prop/checked_add.main.ConstProp.panic-unwind.diff
diff --git a/tests/mir-opt/const_prop/const_prop_fails_gracefully.main.ConstProp.panic-abort.diff b/tests/mir-opt/const_prop/const_prop_fails_gracefully.main.ConstProp.panic-abort.diff
new file mode 100644
index 00000000000..1999a128c63
--- /dev/null
+++ b/tests/mir-opt/const_prop/const_prop_fails_gracefully.main.ConstProp.panic-abort.diff
@@ -0,0 +1,44 @@
+- // MIR for `main` before ConstProp
++ // MIR for `main` after ConstProp
+  
+  fn main() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/const_prop_fails_gracefully.rs:+0:11: +0:11
+      let _1: usize;                       // in scope 0 at $DIR/const_prop_fails_gracefully.rs:+2:9: +2:10
+      let mut _2: *const i32;              // in scope 0 at $DIR/const_prop_fails_gracefully.rs:+2:13: +2:30
+      let _3: &i32;                        // in scope 0 at $DIR/const_prop_fails_gracefully.rs:+2:13: +2:16
+      let _4: ();                          // in scope 0 at $DIR/const_prop_fails_gracefully.rs:+3:5: +3:12
+      let mut _5: usize;                   // in scope 0 at $DIR/const_prop_fails_gracefully.rs:+3:10: +3:11
+      scope 1 {
+          debug x => _1;                   // in scope 1 at $DIR/const_prop_fails_gracefully.rs:+2:9: +2:10
+      }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/const_prop_fails_gracefully.rs:+2:9: +2:10
+          StorageLive(_2);                 // scope 0 at $DIR/const_prop_fails_gracefully.rs:+2:13: +2:30
+          StorageLive(_3);                 // scope 0 at $DIR/const_prop_fails_gracefully.rs:+2:13: +2:16
+          _3 = const _;                    // scope 0 at $DIR/const_prop_fails_gracefully.rs:+2:13: +2:16
+                                           // mir::Constant
+                                           // + span: $DIR/const_prop_fails_gracefully.rs:9:13: 9:16
+                                           // + literal: Const { ty: &i32, val: Unevaluated(FOO, [], None) }
+          _2 = &raw const (*_3);           // scope 0 at $DIR/const_prop_fails_gracefully.rs:+2:13: +2:16
+          _1 = move _2 as usize (PointerExposeAddress); // scope 0 at $DIR/const_prop_fails_gracefully.rs:+2:13: +2:39
+          StorageDead(_2);                 // scope 0 at $DIR/const_prop_fails_gracefully.rs:+2:38: +2:39
+          StorageDead(_3);                 // scope 0 at $DIR/const_prop_fails_gracefully.rs:+2:39: +2:40
+          StorageLive(_4);                 // scope 1 at $DIR/const_prop_fails_gracefully.rs:+3:5: +3:12
+          StorageLive(_5);                 // scope 1 at $DIR/const_prop_fails_gracefully.rs:+3:10: +3:11
+          _5 = _1;                         // scope 1 at $DIR/const_prop_fails_gracefully.rs:+3:10: +3:11
+          _4 = read(move _5) -> [return: bb1, unwind unreachable]; // scope 1 at $DIR/const_prop_fails_gracefully.rs:+3:5: +3:12
+                                           // mir::Constant
+                                           // + span: $DIR/const_prop_fails_gracefully.rs:10:5: 10:9
+                                           // + literal: Const { ty: fn(usize) {read}, val: Value(<ZST>) }
+      }
+  
+      bb1: {
+          StorageDead(_5);                 // scope 1 at $DIR/const_prop_fails_gracefully.rs:+3:11: +3:12
+          StorageDead(_4);                 // scope 1 at $DIR/const_prop_fails_gracefully.rs:+3:12: +3:13
+          _0 = const ();                   // scope 0 at $DIR/const_prop_fails_gracefully.rs:+0:11: +4:2
+          StorageDead(_1);                 // scope 0 at $DIR/const_prop_fails_gracefully.rs:+4:1: +4:2
+          return;                          // scope 0 at $DIR/const_prop_fails_gracefully.rs:+4:2: +4:2
+      }
+  }
+  
diff --git a/tests/mir-opt/const_prop/const_prop_fails_gracefully.main.ConstProp.diff b/tests/mir-opt/const_prop/const_prop_fails_gracefully.main.ConstProp.panic-unwind.diff
index d75fae30b53..d75fae30b53 100644
--- a/tests/mir-opt/const_prop/const_prop_fails_gracefully.main.ConstProp.diff
+++ b/tests/mir-opt/const_prop/const_prop_fails_gracefully.main.ConstProp.panic-unwind.diff
diff --git a/tests/mir-opt/const_prop/control_flow_simplification.hello.ConstProp.panic-abort.diff b/tests/mir-opt/const_prop/control_flow_simplification.hello.ConstProp.panic-abort.diff
new file mode 100644
index 00000000000..0ed29267433
--- /dev/null
+++ b/tests/mir-opt/const_prop/control_flow_simplification.hello.ConstProp.panic-abort.diff
@@ -0,0 +1,31 @@
+- // MIR for `hello` before ConstProp
++ // MIR for `hello` after ConstProp
+  
+  fn hello() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/control_flow_simplification.rs:+0:14: +0:14
+      let mut _1: bool;                    // in scope 0 at $DIR/control_flow_simplification.rs:+1:8: +1:21
+      let mut _2: !;                       // in scope 0 at $SRC_DIR/std/src/panic.rs:LL:COL
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/control_flow_simplification.rs:+1:8: +1:21
+          _1 = const _;                    // scope 0 at $DIR/control_flow_simplification.rs:+1:8: +1:21
+-         switchInt(move _1) -> [0: bb2, otherwise: bb1]; // scope 0 at $DIR/control_flow_simplification.rs:+1:8: +1:21
++         switchInt(const false) -> [0: bb2, otherwise: bb1]; // scope 0 at $DIR/control_flow_simplification.rs:+1:8: +1:21
+      }
+  
+      bb1: {
+          _2 = begin_panic::<&str>(const "explicit panic") -> unwind unreachable; // scope 0 at $SRC_DIR/std/src/panic.rs:LL:COL
+                                           // mir::Constant
+                                           // + span: $SRC_DIR/std/src/panic.rs:LL:COL
+                                           // + literal: Const { ty: fn(&str) -> ! {begin_panic::<&str>}, val: Value(<ZST>) }
+                                           // mir::Constant
+                                           // + span: $SRC_DIR/std/src/panic.rs:LL:COL
+                                           // + literal: Const { ty: &str, val: Value(Slice(..)) }
+      }
+  
+      bb2: {
+          StorageDead(_1);                 // scope 0 at $DIR/control_flow_simplification.rs:+3:5: +3:6
+          return;                          // scope 0 at $DIR/control_flow_simplification.rs:+4:2: +4:2
+      }
+  }
+  
diff --git a/tests/mir-opt/const_prop/control_flow_simplification.hello.ConstProp.diff b/tests/mir-opt/const_prop/control_flow_simplification.hello.ConstProp.panic-unwind.diff
index 7e77c18d575..7e77c18d575 100644
--- a/tests/mir-opt/const_prop/control_flow_simplification.hello.ConstProp.diff
+++ b/tests/mir-opt/const_prop/control_flow_simplification.hello.ConstProp.panic-unwind.diff
diff --git a/tests/mir-opt/const_prop/control_flow_simplification.hello.PreCodegen.before.mir b/tests/mir-opt/const_prop/control_flow_simplification.hello.PreCodegen.before.panic-abort.mir
index 9f7528f0ce1..9f7528f0ce1 100644
--- a/tests/mir-opt/const_prop/control_flow_simplification.hello.PreCodegen.before.mir
+++ b/tests/mir-opt/const_prop/control_flow_simplification.hello.PreCodegen.before.panic-abort.mir
diff --git a/tests/mir-opt/const_prop/control_flow_simplification.hello.PreCodegen.before.panic-unwind.mir b/tests/mir-opt/const_prop/control_flow_simplification.hello.PreCodegen.before.panic-unwind.mir
new file mode 100644
index 00000000000..9f7528f0ce1
--- /dev/null
+++ b/tests/mir-opt/const_prop/control_flow_simplification.hello.PreCodegen.before.panic-unwind.mir
@@ -0,0 +1,9 @@
+// MIR for `hello` before PreCodegen
+
+fn hello() -> () {
+    let mut _0: ();                      // return place in scope 0 at $DIR/control_flow_simplification.rs:+0:14: +0:14
+
+    bb0: {
+        return;                          // scope 0 at $DIR/control_flow_simplification.rs:+4:2: +4:2
+    }
+}
diff --git a/tests/mir-opt/const_prop/indirect.main.ConstProp.panic-abort.diff b/tests/mir-opt/const_prop/indirect.main.ConstProp.panic-abort.diff
new file mode 100644
index 00000000000..a58d29d2fe1
--- /dev/null
+++ b/tests/mir-opt/const_prop/indirect.main.ConstProp.panic-abort.diff
@@ -0,0 +1,33 @@
+- // MIR for `main` before ConstProp
++ // MIR for `main` after ConstProp
+  
+  fn main() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/indirect.rs:+0:11: +0:11
+      let _1: u8;                          // in scope 0 at $DIR/indirect.rs:+1:9: +1:10
+      let mut _2: u8;                      // in scope 0 at $DIR/indirect.rs:+1:13: +1:25
+      let mut _3: (u8, bool);              // in scope 0 at $DIR/indirect.rs:+1:13: +1:29
+      scope 1 {
+          debug x => _1;                   // in scope 1 at $DIR/indirect.rs:+1:9: +1:10
+      }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/indirect.rs:+1:9: +1:10
+          StorageLive(_2);                 // scope 0 at $DIR/indirect.rs:+1:13: +1:25
+-         _2 = const 2_u32 as u8 (IntToInt); // scope 0 at $DIR/indirect.rs:+1:13: +1:25
+-         _3 = CheckedAdd(_2, const 1_u8); // scope 0 at $DIR/indirect.rs:+1:13: +1:29
+-         assert(!move (_3.1: bool), "attempt to compute `{} + {}`, which would overflow", move _2, const 1_u8) -> [success: bb1, unwind unreachable]; // scope 0 at $DIR/indirect.rs:+1:13: +1:29
++         _2 = const 2_u8;                 // scope 0 at $DIR/indirect.rs:+1:13: +1:25
++         _3 = const (3_u8, false);        // scope 0 at $DIR/indirect.rs:+1:13: +1:29
++         assert(!const false, "attempt to compute `{} + {}`, which would overflow", move _2, const 1_u8) -> [success: bb1, unwind unreachable]; // scope 0 at $DIR/indirect.rs:+1:13: +1:29
+      }
+  
+      bb1: {
+-         _1 = move (_3.0: u8);            // scope 0 at $DIR/indirect.rs:+1:13: +1:29
++         _1 = const 3_u8;                 // scope 0 at $DIR/indirect.rs:+1:13: +1:29
+          StorageDead(_2);                 // scope 0 at $DIR/indirect.rs:+1:28: +1:29
+          _0 = const ();                   // scope 0 at $DIR/indirect.rs:+0:11: +2:2
+          StorageDead(_1);                 // scope 0 at $DIR/indirect.rs:+2:1: +2:2
+          return;                          // scope 0 at $DIR/indirect.rs:+2:2: +2:2
+      }
+  }
+  
diff --git a/tests/mir-opt/const_prop/indirect.main.ConstProp.diff b/tests/mir-opt/const_prop/indirect.main.ConstProp.panic-unwind.diff
index f4c0c5c5e7f..f4c0c5c5e7f 100644
--- a/tests/mir-opt/const_prop/indirect.main.ConstProp.diff
+++ b/tests/mir-opt/const_prop/indirect.main.ConstProp.panic-unwind.diff
diff --git a/tests/mir-opt/const_prop/inherit_overflow.main.ConstProp.panic-abort.diff b/tests/mir-opt/const_prop/inherit_overflow.main.ConstProp.panic-abort.diff
new file mode 100644
index 00000000000..951de4c3e33
--- /dev/null
+++ b/tests/mir-opt/const_prop/inherit_overflow.main.ConstProp.panic-abort.diff
@@ -0,0 +1,39 @@
+- // MIR for `main` before ConstProp
++ // MIR for `main` after ConstProp
+  
+  fn main() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/inherit_overflow.rs:+0:11: +0:11
+      let mut _1: u8;                      // in scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47
+      let mut _2: u8;                      // in scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47
+      let mut _3: u8;                      // in scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47
+      scope 1 {
+      }
+      scope 2 (inlined <u8 as Add>::add) { // at $DIR/inherit_overflow.rs:9:13: 9:47
+          debug self => _2;                // in scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL
+          debug other => _3;               // in scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL
+          let mut _4: (u8, bool);          // in scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL
+      }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47
+          StorageLive(_2);                 // scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47
+          _2 = const u8::MAX;              // scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47
+          StorageLive(_3);                 // scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47
+          _3 = const 1_u8;                 // scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47
+-         _4 = CheckedAdd(_2, _3);         // scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL
+-         assert(!move (_4.1: bool), "attempt to compute `{} + {}`, which would overflow", _2, _3) -> [success: bb1, unwind unreachable]; // scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL
++         _4 = const (0_u8, true);         // scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL
++         assert(!const true, "attempt to compute `{} + {}`, which would overflow", _2, _3) -> [success: bb1, unwind unreachable]; // scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL
+      }
+  
+      bb1: {
+-         _1 = move (_4.0: u8);            // scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL
++         _1 = const 0_u8;                 // scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL
+          StorageDead(_3);                 // scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47
+          StorageDead(_2);                 // scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47
+          StorageDead(_1);                 // scope 0 at $DIR/inherit_overflow.rs:+3:47: +3:48
+          _0 = const ();                   // scope 0 at $DIR/inherit_overflow.rs:+0:11: +4:2
+          return;                          // scope 0 at $DIR/inherit_overflow.rs:+4:2: +4:2
+      }
+  }
+  
diff --git a/tests/mir-opt/const_prop/inherit_overflow.main.ConstProp.diff b/tests/mir-opt/const_prop/inherit_overflow.main.ConstProp.panic-unwind.diff
index 0ac7fa43d5b..0ac7fa43d5b 100644
--- a/tests/mir-opt/const_prop/inherit_overflow.main.ConstProp.diff
+++ b/tests/mir-opt/const_prop/inherit_overflow.main.ConstProp.panic-unwind.diff
diff --git a/tests/mir-opt/const_prop/issue_66971.main.ConstProp.panic-abort.diff b/tests/mir-opt/const_prop/issue_66971.main.ConstProp.panic-abort.diff
new file mode 100644
index 00000000000..061fd39e8b0
--- /dev/null
+++ b/tests/mir-opt/const_prop/issue_66971.main.ConstProp.panic-abort.diff
@@ -0,0 +1,23 @@
+- // MIR for `main` before ConstProp
++ // MIR for `main` after ConstProp
+  
+  fn main() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/issue_66971.rs:+0:11: +0:11
+      let _1: ();                          // in scope 0 at $DIR/issue_66971.rs:+1:5: +1:23
+      let mut _2: ((), u8, u8);            // in scope 0 at $DIR/issue_66971.rs:+1:12: +1:22
+  
+      bb0: {
+          StorageLive(_2);                 // scope 0 at $DIR/issue_66971.rs:+1:12: +1:22
+          _2 = (const (), const 0_u8, const 0_u8); // scope 0 at $DIR/issue_66971.rs:+1:12: +1:22
+          _1 = encode(move _2) -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/issue_66971.rs:+1:5: +1:23
+                                           // mir::Constant
+                                           // + span: $DIR/issue_66971.rs:18:5: 18:11
+                                           // + literal: Const { ty: fn(((), u8, u8)) {encode}, val: Value(<ZST>) }
+      }
+  
+      bb1: {
+          StorageDead(_2);                 // scope 0 at $DIR/issue_66971.rs:+1:22: +1:23
+          return;                          // scope 0 at $DIR/issue_66971.rs:+2:2: +2:2
+      }
+  }
+  
diff --git a/tests/mir-opt/const_prop/issue_66971.main.ConstProp.diff b/tests/mir-opt/const_prop/issue_66971.main.ConstProp.panic-unwind.diff
index 2652694097c..2652694097c 100644
--- a/tests/mir-opt/const_prop/issue_66971.main.ConstProp.diff
+++ b/tests/mir-opt/const_prop/issue_66971.main.ConstProp.panic-unwind.diff
diff --git a/tests/mir-opt/const_prop/issue_67019.main.ConstProp.panic-abort.diff b/tests/mir-opt/const_prop/issue_67019.main.ConstProp.panic-abort.diff
new file mode 100644
index 00000000000..99844045bb5
--- /dev/null
+++ b/tests/mir-opt/const_prop/issue_67019.main.ConstProp.panic-abort.diff
@@ -0,0 +1,28 @@
+- // MIR for `main` before ConstProp
++ // MIR for `main` after ConstProp
+  
+  fn main() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/issue_67019.rs:+0:11: +0:11
+      let _1: ();                          // in scope 0 at $DIR/issue_67019.rs:+1:5: +1:20
+      let mut _2: ((u8, u8),);             // in scope 0 at $DIR/issue_67019.rs:+1:10: +1:19
+      let mut _3: (u8, u8);                // in scope 0 at $DIR/issue_67019.rs:+1:11: +1:17
+  
+      bb0: {
+          StorageLive(_2);                 // scope 0 at $DIR/issue_67019.rs:+1:10: +1:19
+          StorageLive(_3);                 // scope 0 at $DIR/issue_67019.rs:+1:11: +1:17
+-         _3 = (const 1_u8, const 2_u8);   // scope 0 at $DIR/issue_67019.rs:+1:11: +1:17
++         _3 = const (1_u8, 2_u8);         // scope 0 at $DIR/issue_67019.rs:+1:11: +1:17
+          _2 = (move _3,);                 // scope 0 at $DIR/issue_67019.rs:+1:10: +1:19
+          StorageDead(_3);                 // scope 0 at $DIR/issue_67019.rs:+1:18: +1:19
+          _1 = test(move _2) -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/issue_67019.rs:+1:5: +1:20
+                                           // mir::Constant
+                                           // + span: $DIR/issue_67019.rs:13:5: 13:9
+                                           // + literal: Const { ty: fn(((u8, u8),)) {test}, val: Value(<ZST>) }
+      }
+  
+      bb1: {
+          StorageDead(_2);                 // scope 0 at $DIR/issue_67019.rs:+1:19: +1:20
+          return;                          // scope 0 at $DIR/issue_67019.rs:+2:2: +2:2
+      }
+  }
+  
diff --git a/tests/mir-opt/const_prop/issue_67019.main.ConstProp.diff b/tests/mir-opt/const_prop/issue_67019.main.ConstProp.panic-unwind.diff
index 54c9200d672..54c9200d672 100644
--- a/tests/mir-opt/const_prop/issue_67019.main.ConstProp.diff
+++ b/tests/mir-opt/const_prop/issue_67019.main.ConstProp.panic-unwind.diff
diff --git a/tests/mir-opt/const_prop/large_array_index.main.ConstProp.32bit.panic-abort.diff b/tests/mir-opt/const_prop/large_array_index.main.ConstProp.32bit.panic-abort.diff
new file mode 100644
index 00000000000..6794cfd81df
--- /dev/null
+++ b/tests/mir-opt/const_prop/large_array_index.main.ConstProp.32bit.panic-abort.diff
@@ -0,0 +1,39 @@
+- // MIR for `main` before ConstProp
++ // MIR for `main` after ConstProp
+  
+  fn main() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/large_array_index.rs:+0:11: +0:11
+      let _1: u8;                          // in scope 0 at $DIR/large_array_index.rs:+2:9: +2:10
+      let mut _2: [u8; 5000];              // in scope 0 at $DIR/large_array_index.rs:+2:17: +2:29
+      let _3: usize;                       // in scope 0 at $DIR/large_array_index.rs:+2:30: +2:31
+      let mut _4: usize;                   // in scope 0 at $DIR/large_array_index.rs:+2:17: +2:32
+      let mut _5: bool;                    // in scope 0 at $DIR/large_array_index.rs:+2:17: +2:32
+      scope 1 {
+          debug x => _1;                   // in scope 1 at $DIR/large_array_index.rs:+2:9: +2:10
+      }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/large_array_index.rs:+2:9: +2:10
+          StorageLive(_2);                 // scope 0 at $DIR/large_array_index.rs:+2:17: +2:29
+          _2 = [const 0_u8; 5000];         // scope 0 at $DIR/large_array_index.rs:+2:17: +2:29
+          StorageLive(_3);                 // scope 0 at $DIR/large_array_index.rs:+2:30: +2:31
+          _3 = const 2_usize;              // scope 0 at $DIR/large_array_index.rs:+2:30: +2:31
+-         _4 = Len(_2);                    // scope 0 at $DIR/large_array_index.rs:+2:17: +2:32
+-         _5 = Lt(_3, _4);                 // scope 0 at $DIR/large_array_index.rs:+2:17: +2:32
+-         assert(move _5, "index out of bounds: the length is {} but the index is {}", move _4, _3) -> [success: bb1, unwind unreachable]; // scope 0 at $DIR/large_array_index.rs:+2:17: +2:32
++         _4 = const 5000_usize;           // scope 0 at $DIR/large_array_index.rs:+2:17: +2:32
++         _5 = const true;                 // scope 0 at $DIR/large_array_index.rs:+2:17: +2:32
++         assert(const true, "index out of bounds: the length is {} but the index is {}", move _4, _3) -> [success: bb1, unwind unreachable]; // scope 0 at $DIR/large_array_index.rs:+2:17: +2:32
+      }
+  
+      bb1: {
+-         _1 = _2[_3];                     // scope 0 at $DIR/large_array_index.rs:+2:17: +2:32
++         _1 = _2[2 of 3];                 // scope 0 at $DIR/large_array_index.rs:+2:17: +2:32
+          StorageDead(_3);                 // scope 0 at $DIR/large_array_index.rs:+2:32: +2:33
+          StorageDead(_2);                 // scope 0 at $DIR/large_array_index.rs:+2:32: +2:33
+          _0 = const ();                   // scope 0 at $DIR/large_array_index.rs:+0:11: +3:2
+          StorageDead(_1);                 // scope 0 at $DIR/large_array_index.rs:+3:1: +3:2
+          return;                          // scope 0 at $DIR/large_array_index.rs:+3:2: +3:2
+      }
+  }
+  
diff --git a/tests/mir-opt/const_prop/large_array_index.main.ConstProp.32bit.diff b/tests/mir-opt/const_prop/large_array_index.main.ConstProp.32bit.panic-unwind.diff
index 33bbad2f422..33bbad2f422 100644
--- a/tests/mir-opt/const_prop/large_array_index.main.ConstProp.32bit.diff
+++ b/tests/mir-opt/const_prop/large_array_index.main.ConstProp.32bit.panic-unwind.diff
diff --git a/tests/mir-opt/const_prop/large_array_index.main.ConstProp.64bit.panic-abort.diff b/tests/mir-opt/const_prop/large_array_index.main.ConstProp.64bit.panic-abort.diff
new file mode 100644
index 00000000000..6794cfd81df
--- /dev/null
+++ b/tests/mir-opt/const_prop/large_array_index.main.ConstProp.64bit.panic-abort.diff
@@ -0,0 +1,39 @@
+- // MIR for `main` before ConstProp
++ // MIR for `main` after ConstProp
+  
+  fn main() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/large_array_index.rs:+0:11: +0:11
+      let _1: u8;                          // in scope 0 at $DIR/large_array_index.rs:+2:9: +2:10
+      let mut _2: [u8; 5000];              // in scope 0 at $DIR/large_array_index.rs:+2:17: +2:29
+      let _3: usize;                       // in scope 0 at $DIR/large_array_index.rs:+2:30: +2:31
+      let mut _4: usize;                   // in scope 0 at $DIR/large_array_index.rs:+2:17: +2:32
+      let mut _5: bool;                    // in scope 0 at $DIR/large_array_index.rs:+2:17: +2:32
+      scope 1 {
+          debug x => _1;                   // in scope 1 at $DIR/large_array_index.rs:+2:9: +2:10
+      }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/large_array_index.rs:+2:9: +2:10
+          StorageLive(_2);                 // scope 0 at $DIR/large_array_index.rs:+2:17: +2:29
+          _2 = [const 0_u8; 5000];         // scope 0 at $DIR/large_array_index.rs:+2:17: +2:29
+          StorageLive(_3);                 // scope 0 at $DIR/large_array_index.rs:+2:30: +2:31
+          _3 = const 2_usize;              // scope 0 at $DIR/large_array_index.rs:+2:30: +2:31
+-         _4 = Len(_2);                    // scope 0 at $DIR/large_array_index.rs:+2:17: +2:32
+-         _5 = Lt(_3, _4);                 // scope 0 at $DIR/large_array_index.rs:+2:17: +2:32
+-         assert(move _5, "index out of bounds: the length is {} but the index is {}", move _4, _3) -> [success: bb1, unwind unreachable]; // scope 0 at $DIR/large_array_index.rs:+2:17: +2:32
++         _4 = const 5000_usize;           // scope 0 at $DIR/large_array_index.rs:+2:17: +2:32
++         _5 = const true;                 // scope 0 at $DIR/large_array_index.rs:+2:17: +2:32
++         assert(const true, "index out of bounds: the length is {} but the index is {}", move _4, _3) -> [success: bb1, unwind unreachable]; // scope 0 at $DIR/large_array_index.rs:+2:17: +2:32
+      }
+  
+      bb1: {
+-         _1 = _2[_3];                     // scope 0 at $DIR/large_array_index.rs:+2:17: +2:32
++         _1 = _2[2 of 3];                 // scope 0 at $DIR/large_array_index.rs:+2:17: +2:32
+          StorageDead(_3);                 // scope 0 at $DIR/large_array_index.rs:+2:32: +2:33
+          StorageDead(_2);                 // scope 0 at $DIR/large_array_index.rs:+2:32: +2:33
+          _0 = const ();                   // scope 0 at $DIR/large_array_index.rs:+0:11: +3:2
+          StorageDead(_1);                 // scope 0 at $DIR/large_array_index.rs:+3:1: +3:2
+          return;                          // scope 0 at $DIR/large_array_index.rs:+3:2: +3:2
+      }
+  }
+  
diff --git a/tests/mir-opt/const_prop/large_array_index.main.ConstProp.64bit.diff b/tests/mir-opt/const_prop/large_array_index.main.ConstProp.64bit.panic-unwind.diff
index 33bbad2f422..33bbad2f422 100644
--- a/tests/mir-opt/const_prop/large_array_index.main.ConstProp.64bit.diff
+++ b/tests/mir-opt/const_prop/large_array_index.main.ConstProp.64bit.panic-unwind.diff
diff --git a/tests/mir-opt/const_prop/mutable_variable_aggregate_partial_read.main.ConstProp.panic-abort.diff b/tests/mir-opt/const_prop/mutable_variable_aggregate_partial_read.main.ConstProp.panic-abort.diff
new file mode 100644
index 00000000000..b9da74e30b0
--- /dev/null
+++ b/tests/mir-opt/const_prop/mutable_variable_aggregate_partial_read.main.ConstProp.panic-abort.diff
@@ -0,0 +1,35 @@
+- // MIR for `main` before ConstProp
++ // MIR for `main` after ConstProp
+  
+  fn main() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/mutable_variable_aggregate_partial_read.rs:+0:11: +0:11
+      let mut _1: (i32, i32);              // in scope 0 at $DIR/mutable_variable_aggregate_partial_read.rs:+1:9: +1:14
+      scope 1 {
+          debug x => _1;                   // in scope 1 at $DIR/mutable_variable_aggregate_partial_read.rs:+1:9: +1:14
+          let _2: i32;                     // in scope 1 at $DIR/mutable_variable_aggregate_partial_read.rs:+4:9: +4:10
+          scope 2 {
+              debug y => _2;               // in scope 2 at $DIR/mutable_variable_aggregate_partial_read.rs:+4:9: +4:10
+          }
+      }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/mutable_variable_aggregate_partial_read.rs:+1:9: +1:14
+          _1 = foo() -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/mutable_variable_aggregate_partial_read.rs:+1:29: +1:34
+                                           // mir::Constant
+                                           // + span: $DIR/mutable_variable_aggregate_partial_read.rs:6:29: 6:32
+                                           // + literal: Const { ty: fn() -> (i32, i32) {foo}, val: Value(<ZST>) }
+      }
+  
+      bb1: {
+          (_1.1: i32) = const 99_i32;      // scope 1 at $DIR/mutable_variable_aggregate_partial_read.rs:+2:5: +2:13
+          (_1.0: i32) = const 42_i32;      // scope 1 at $DIR/mutable_variable_aggregate_partial_read.rs:+3:5: +3:13
+          StorageLive(_2);                 // scope 1 at $DIR/mutable_variable_aggregate_partial_read.rs:+4:9: +4:10
+-         _2 = (_1.1: i32);                // scope 1 at $DIR/mutable_variable_aggregate_partial_read.rs:+4:13: +4:16
++         _2 = const 99_i32;               // scope 1 at $DIR/mutable_variable_aggregate_partial_read.rs:+4:13: +4:16
+          _0 = const ();                   // scope 0 at $DIR/mutable_variable_aggregate_partial_read.rs:+0:11: +5:2
+          StorageDead(_2);                 // scope 1 at $DIR/mutable_variable_aggregate_partial_read.rs:+5:1: +5:2
+          StorageDead(_1);                 // scope 0 at $DIR/mutable_variable_aggregate_partial_read.rs:+5:1: +5:2
+          return;                          // scope 0 at $DIR/mutable_variable_aggregate_partial_read.rs:+5:2: +5:2
+      }
+  }
+  
diff --git a/tests/mir-opt/const_prop/mutable_variable_aggregate_partial_read.main.ConstProp.diff b/tests/mir-opt/const_prop/mutable_variable_aggregate_partial_read.main.ConstProp.panic-unwind.diff
index 374151057ac..374151057ac 100644
--- a/tests/mir-opt/const_prop/mutable_variable_aggregate_partial_read.main.ConstProp.diff
+++ b/tests/mir-opt/const_prop/mutable_variable_aggregate_partial_read.main.ConstProp.panic-unwind.diff
diff --git a/tests/mir-opt/const_prop/mutable_variable_unprop_assign.main.ConstProp.panic-abort.diff b/tests/mir-opt/const_prop/mutable_variable_unprop_assign.main.ConstProp.panic-abort.diff
new file mode 100644
index 00000000000..b090dfc92b6
--- /dev/null
+++ b/tests/mir-opt/const_prop/mutable_variable_unprop_assign.main.ConstProp.panic-abort.diff
@@ -0,0 +1,53 @@
+- // MIR for `main` before ConstProp
++ // MIR for `main` after ConstProp
+  
+  fn main() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/mutable_variable_unprop_assign.rs:+0:11: +0:11
+      let _1: i32;                         // in scope 0 at $DIR/mutable_variable_unprop_assign.rs:+1:9: +1:10
+      let mut _3: i32;                     // in scope 0 at $DIR/mutable_variable_unprop_assign.rs:+3:11: +3:12
+      scope 1 {
+          debug a => _1;                   // in scope 1 at $DIR/mutable_variable_unprop_assign.rs:+1:9: +1:10
+          let mut _2: (i32, i32);          // in scope 1 at $DIR/mutable_variable_unprop_assign.rs:+2:9: +2:14
+          scope 2 {
+              debug x => _2;               // in scope 2 at $DIR/mutable_variable_unprop_assign.rs:+2:9: +2:14
+              let _4: i32;                 // in scope 2 at $DIR/mutable_variable_unprop_assign.rs:+4:9: +4:10
+              scope 3 {
+                  debug y => _4;           // in scope 3 at $DIR/mutable_variable_unprop_assign.rs:+4:9: +4:10
+                  let _5: i32;             // in scope 3 at $DIR/mutable_variable_unprop_assign.rs:+5:9: +5:10
+                  scope 4 {
+                      debug z => _5;       // in scope 4 at $DIR/mutable_variable_unprop_assign.rs:+5:9: +5:10
+                  }
+              }
+          }
+      }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/mutable_variable_unprop_assign.rs:+1:9: +1:10
+          _1 = foo() -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/mutable_variable_unprop_assign.rs:+1:13: +1:18
+                                           // mir::Constant
+                                           // + span: $DIR/mutable_variable_unprop_assign.rs:6:13: 6:16
+                                           // + literal: Const { ty: fn() -> i32 {foo}, val: Value(<ZST>) }
+      }
+  
+      bb1: {
+          StorageLive(_2);                 // scope 1 at $DIR/mutable_variable_unprop_assign.rs:+2:9: +2:14
+-         _2 = (const 1_i32, const 2_i32); // scope 1 at $DIR/mutable_variable_unprop_assign.rs:+2:29: +2:35
++         _2 = const (1_i32, 2_i32);       // scope 1 at $DIR/mutable_variable_unprop_assign.rs:+2:29: +2:35
+          StorageLive(_3);                 // scope 2 at $DIR/mutable_variable_unprop_assign.rs:+3:11: +3:12
+          _3 = _1;                         // scope 2 at $DIR/mutable_variable_unprop_assign.rs:+3:11: +3:12
+          (_2.1: i32) = move _3;           // scope 2 at $DIR/mutable_variable_unprop_assign.rs:+3:5: +3:12
+          StorageDead(_3);                 // scope 2 at $DIR/mutable_variable_unprop_assign.rs:+3:11: +3:12
+          StorageLive(_4);                 // scope 2 at $DIR/mutable_variable_unprop_assign.rs:+4:9: +4:10
+          _4 = (_2.1: i32);                // scope 2 at $DIR/mutable_variable_unprop_assign.rs:+4:13: +4:16
+          StorageLive(_5);                 // scope 3 at $DIR/mutable_variable_unprop_assign.rs:+5:9: +5:10
+-         _5 = (_2.0: i32);                // scope 3 at $DIR/mutable_variable_unprop_assign.rs:+5:13: +5:16
++         _5 = const 1_i32;                // scope 3 at $DIR/mutable_variable_unprop_assign.rs:+5:13: +5:16
+          _0 = const ();                   // scope 0 at $DIR/mutable_variable_unprop_assign.rs:+0:11: +6:2
+          StorageDead(_5);                 // scope 3 at $DIR/mutable_variable_unprop_assign.rs:+6:1: +6:2
+          StorageDead(_4);                 // scope 2 at $DIR/mutable_variable_unprop_assign.rs:+6:1: +6:2
+          StorageDead(_2);                 // scope 1 at $DIR/mutable_variable_unprop_assign.rs:+6:1: +6:2
+          StorageDead(_1);                 // scope 0 at $DIR/mutable_variable_unprop_assign.rs:+6:1: +6:2
+          return;                          // scope 0 at $DIR/mutable_variable_unprop_assign.rs:+6:2: +6:2
+      }
+  }
+  
diff --git a/tests/mir-opt/const_prop/mutable_variable_unprop_assign.main.ConstProp.diff b/tests/mir-opt/const_prop/mutable_variable_unprop_assign.main.ConstProp.panic-unwind.diff
index 3048122d8ff..3048122d8ff 100644
--- a/tests/mir-opt/const_prop/mutable_variable_unprop_assign.main.ConstProp.diff
+++ b/tests/mir-opt/const_prop/mutable_variable_unprop_assign.main.ConstProp.panic-unwind.diff
diff --git a/tests/mir-opt/const_prop/repeat.main.ConstProp.32bit.panic-abort.diff b/tests/mir-opt/const_prop/repeat.main.ConstProp.32bit.panic-abort.diff
new file mode 100644
index 00000000000..24c78ab992f
--- /dev/null
+++ b/tests/mir-opt/const_prop/repeat.main.ConstProp.32bit.panic-abort.diff
@@ -0,0 +1,44 @@
+- // MIR for `main` before ConstProp
++ // MIR for `main` after ConstProp
+  
+  fn main() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/repeat.rs:+0:11: +0:11
+      let _1: u32;                         // in scope 0 at $DIR/repeat.rs:+1:9: +1:10
+      let mut _2: u32;                     // in scope 0 at $DIR/repeat.rs:+1:18: +1:28
+      let mut _3: [u32; 8];                // in scope 0 at $DIR/repeat.rs:+1:18: +1:25
+      let _4: usize;                       // in scope 0 at $DIR/repeat.rs:+1:26: +1:27
+      let mut _5: usize;                   // in scope 0 at $DIR/repeat.rs:+1:18: +1:28
+      let mut _6: bool;                    // in scope 0 at $DIR/repeat.rs:+1:18: +1:28
+      scope 1 {
+          debug x => _1;                   // in scope 1 at $DIR/repeat.rs:+1:9: +1:10
+      }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/repeat.rs:+1:9: +1:10
+          StorageLive(_2);                 // scope 0 at $DIR/repeat.rs:+1:18: +1:28
+          StorageLive(_3);                 // scope 0 at $DIR/repeat.rs:+1:18: +1:25
+          _3 = [const 42_u32; 8];          // scope 0 at $DIR/repeat.rs:+1:18: +1:25
+          StorageLive(_4);                 // scope 0 at $DIR/repeat.rs:+1:26: +1:27
+          _4 = const 2_usize;              // scope 0 at $DIR/repeat.rs:+1:26: +1:27
+-         _5 = Len(_3);                    // scope 0 at $DIR/repeat.rs:+1:18: +1:28
+-         _6 = Lt(_4, _5);                 // scope 0 at $DIR/repeat.rs:+1:18: +1:28
+-         assert(move _6, "index out of bounds: the length is {} but the index is {}", move _5, _4) -> [success: bb1, unwind unreachable]; // scope 0 at $DIR/repeat.rs:+1:18: +1:28
++         _5 = const 8_usize;              // scope 0 at $DIR/repeat.rs:+1:18: +1:28
++         _6 = const true;                 // scope 0 at $DIR/repeat.rs:+1:18: +1:28
++         assert(const true, "index out of bounds: the length is {} but the index is {}", move _5, _4) -> [success: bb1, unwind unreachable]; // scope 0 at $DIR/repeat.rs:+1:18: +1:28
+      }
+  
+      bb1: {
+-         _2 = _3[_4];                     // scope 0 at $DIR/repeat.rs:+1:18: +1:28
+-         _1 = Add(move _2, const 0_u32);  // scope 0 at $DIR/repeat.rs:+1:18: +1:32
++         _2 = const 42_u32;               // scope 0 at $DIR/repeat.rs:+1:18: +1:28
++         _1 = const 42_u32;               // scope 0 at $DIR/repeat.rs:+1:18: +1:32
+          StorageDead(_2);                 // scope 0 at $DIR/repeat.rs:+1:31: +1:32
+          StorageDead(_4);                 // scope 0 at $DIR/repeat.rs:+1:32: +1:33
+          StorageDead(_3);                 // scope 0 at $DIR/repeat.rs:+1:32: +1:33
+          _0 = const ();                   // scope 0 at $DIR/repeat.rs:+0:11: +2:2
+          StorageDead(_1);                 // scope 0 at $DIR/repeat.rs:+2:1: +2:2
+          return;                          // scope 0 at $DIR/repeat.rs:+2:2: +2:2
+      }
+  }
+  
diff --git a/tests/mir-opt/const_prop/repeat.main.ConstProp.32bit.diff b/tests/mir-opt/const_prop/repeat.main.ConstProp.32bit.panic-unwind.diff
index 6641220db69..6641220db69 100644
--- a/tests/mir-opt/const_prop/repeat.main.ConstProp.32bit.diff
+++ b/tests/mir-opt/const_prop/repeat.main.ConstProp.32bit.panic-unwind.diff
diff --git a/tests/mir-opt/const_prop/repeat.main.ConstProp.64bit.panic-abort.diff b/tests/mir-opt/const_prop/repeat.main.ConstProp.64bit.panic-abort.diff
new file mode 100644
index 00000000000..24c78ab992f
--- /dev/null
+++ b/tests/mir-opt/const_prop/repeat.main.ConstProp.64bit.panic-abort.diff
@@ -0,0 +1,44 @@
+- // MIR for `main` before ConstProp
++ // MIR for `main` after ConstProp
+  
+  fn main() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/repeat.rs:+0:11: +0:11
+      let _1: u32;                         // in scope 0 at $DIR/repeat.rs:+1:9: +1:10
+      let mut _2: u32;                     // in scope 0 at $DIR/repeat.rs:+1:18: +1:28
+      let mut _3: [u32; 8];                // in scope 0 at $DIR/repeat.rs:+1:18: +1:25
+      let _4: usize;                       // in scope 0 at $DIR/repeat.rs:+1:26: +1:27
+      let mut _5: usize;                   // in scope 0 at $DIR/repeat.rs:+1:18: +1:28
+      let mut _6: bool;                    // in scope 0 at $DIR/repeat.rs:+1:18: +1:28
+      scope 1 {
+          debug x => _1;                   // in scope 1 at $DIR/repeat.rs:+1:9: +1:10
+      }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/repeat.rs:+1:9: +1:10
+          StorageLive(_2);                 // scope 0 at $DIR/repeat.rs:+1:18: +1:28
+          StorageLive(_3);                 // scope 0 at $DIR/repeat.rs:+1:18: +1:25
+          _3 = [const 42_u32; 8];          // scope 0 at $DIR/repeat.rs:+1:18: +1:25
+          StorageLive(_4);                 // scope 0 at $DIR/repeat.rs:+1:26: +1:27
+          _4 = const 2_usize;              // scope 0 at $DIR/repeat.rs:+1:26: +1:27
+-         _5 = Len(_3);                    // scope 0 at $DIR/repeat.rs:+1:18: +1:28
+-         _6 = Lt(_4, _5);                 // scope 0 at $DIR/repeat.rs:+1:18: +1:28
+-         assert(move _6, "index out of bounds: the length is {} but the index is {}", move _5, _4) -> [success: bb1, unwind unreachable]; // scope 0 at $DIR/repeat.rs:+1:18: +1:28
++         _5 = const 8_usize;              // scope 0 at $DIR/repeat.rs:+1:18: +1:28
++         _6 = const true;                 // scope 0 at $DIR/repeat.rs:+1:18: +1:28
++         assert(const true, "index out of bounds: the length is {} but the index is {}", move _5, _4) -> [success: bb1, unwind unreachable]; // scope 0 at $DIR/repeat.rs:+1:18: +1:28
+      }
+  
+      bb1: {
+-         _2 = _3[_4];                     // scope 0 at $DIR/repeat.rs:+1:18: +1:28
+-         _1 = Add(move _2, const 0_u32);  // scope 0 at $DIR/repeat.rs:+1:18: +1:32
++         _2 = const 42_u32;               // scope 0 at $DIR/repeat.rs:+1:18: +1:28
++         _1 = const 42_u32;               // scope 0 at $DIR/repeat.rs:+1:18: +1:32
+          StorageDead(_2);                 // scope 0 at $DIR/repeat.rs:+1:31: +1:32
+          StorageDead(_4);                 // scope 0 at $DIR/repeat.rs:+1:32: +1:33
+          StorageDead(_3);                 // scope 0 at $DIR/repeat.rs:+1:32: +1:33
+          _0 = const ();                   // scope 0 at $DIR/repeat.rs:+0:11: +2:2
+          StorageDead(_1);                 // scope 0 at $DIR/repeat.rs:+2:1: +2:2
+          return;                          // scope 0 at $DIR/repeat.rs:+2:2: +2:2
+      }
+  }
+  
diff --git a/tests/mir-opt/const_prop/repeat.main.ConstProp.64bit.diff b/tests/mir-opt/const_prop/repeat.main.ConstProp.64bit.panic-unwind.diff
index 6641220db69..6641220db69 100644
--- a/tests/mir-opt/const_prop/repeat.main.ConstProp.64bit.diff
+++ b/tests/mir-opt/const_prop/repeat.main.ConstProp.64bit.panic-unwind.diff
diff --git a/tests/mir-opt/const_prop/return_place.add.ConstProp.panic-abort.diff b/tests/mir-opt/const_prop/return_place.add.ConstProp.panic-abort.diff
new file mode 100644
index 00000000000..e0daf107522
--- /dev/null
+++ b/tests/mir-opt/const_prop/return_place.add.ConstProp.panic-abort.diff
@@ -0,0 +1,21 @@
+- // MIR for `add` before ConstProp
++ // MIR for `add` after ConstProp
+  
+  fn add() -> u32 {
+      let mut _0: u32;                     // return place in scope 0 at $DIR/return_place.rs:+0:13: +0:16
+      let mut _1: (u32, bool);             // in scope 0 at $DIR/return_place.rs:+1:5: +1:10
+  
+      bb0: {
+-         _1 = CheckedAdd(const 2_u32, const 2_u32); // scope 0 at $DIR/return_place.rs:+1:5: +1:10
+-         assert(!move (_1.1: bool), "attempt to compute `{} + {}`, which would overflow", const 2_u32, const 2_u32) -> [success: bb1, unwind unreachable]; // scope 0 at $DIR/return_place.rs:+1:5: +1:10
++         _1 = const (4_u32, false);       // scope 0 at $DIR/return_place.rs:+1:5: +1:10
++         assert(!const false, "attempt to compute `{} + {}`, which would overflow", const 2_u32, const 2_u32) -> [success: bb1, unwind unreachable]; // scope 0 at $DIR/return_place.rs:+1:5: +1:10
+      }
+  
+      bb1: {
+-         _0 = move (_1.0: u32);           // scope 0 at $DIR/return_place.rs:+1:5: +1:10
++         _0 = const 4_u32;                // scope 0 at $DIR/return_place.rs:+1:5: +1:10
+          return;                          // scope 0 at $DIR/return_place.rs:+2:2: +2:2
+      }
+  }
+  
diff --git a/tests/mir-opt/const_prop/return_place.add.ConstProp.diff b/tests/mir-opt/const_prop/return_place.add.ConstProp.panic-unwind.diff
index 5ebd8a52079..5ebd8a52079 100644
--- a/tests/mir-opt/const_prop/return_place.add.ConstProp.diff
+++ b/tests/mir-opt/const_prop/return_place.add.ConstProp.panic-unwind.diff
diff --git a/tests/mir-opt/const_prop/return_place.add.PreCodegen.before.panic-abort.mir b/tests/mir-opt/const_prop/return_place.add.PreCodegen.before.panic-abort.mir
new file mode 100644
index 00000000000..58b2acfbad2
--- /dev/null
+++ b/tests/mir-opt/const_prop/return_place.add.PreCodegen.before.panic-abort.mir
@@ -0,0 +1,16 @@
+// MIR for `add` before PreCodegen
+
+fn add() -> u32 {
+    let mut _0: u32;                     // return place in scope 0 at $DIR/return_place.rs:+0:13: +0:16
+    let mut _1: (u32, bool);             // in scope 0 at $DIR/return_place.rs:+1:5: +1:10
+
+    bb0: {
+        _1 = const (4_u32, false);       // scope 0 at $DIR/return_place.rs:+1:5: +1:10
+        assert(!const false, "attempt to compute `{} + {}`, which would overflow", const 2_u32, const 2_u32) -> [success: bb1, unwind unreachable]; // scope 0 at $DIR/return_place.rs:+1:5: +1:10
+    }
+
+    bb1: {
+        _0 = const 4_u32;                // scope 0 at $DIR/return_place.rs:+1:5: +1:10
+        return;                          // scope 0 at $DIR/return_place.rs:+2:2: +2:2
+    }
+}
diff --git a/tests/mir-opt/const_prop/return_place.add.PreCodegen.before.mir b/tests/mir-opt/const_prop/return_place.add.PreCodegen.before.panic-unwind.mir
index b12d84fa479..b12d84fa479 100644
--- a/tests/mir-opt/const_prop/return_place.add.PreCodegen.before.mir
+++ b/tests/mir-opt/const_prop/return_place.add.PreCodegen.before.panic-unwind.mir
diff --git a/tests/mir-opt/const_prop/scalar_literal_propagation.main.ConstProp.panic-abort.diff b/tests/mir-opt/const_prop/scalar_literal_propagation.main.ConstProp.panic-abort.diff
new file mode 100644
index 00000000000..11bbe9da10f
--- /dev/null
+++ b/tests/mir-opt/const_prop/scalar_literal_propagation.main.ConstProp.panic-abort.diff
@@ -0,0 +1,34 @@
+- // MIR for `main` before ConstProp
++ // MIR for `main` after ConstProp
+  
+  fn main() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/scalar_literal_propagation.rs:+0:11: +0:11
+      let _1: u32;                         // in scope 0 at $DIR/scalar_literal_propagation.rs:+1:9: +1:10
+      let _2: ();                          // in scope 0 at $DIR/scalar_literal_propagation.rs:+2:5: +2:15
+      let mut _3: u32;                     // in scope 0 at $DIR/scalar_literal_propagation.rs:+2:13: +2:14
+      scope 1 {
+          debug x => _1;                   // in scope 1 at $DIR/scalar_literal_propagation.rs:+1:9: +1:10
+      }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/scalar_literal_propagation.rs:+1:9: +1:10
+          _1 = const 1_u32;                // scope 0 at $DIR/scalar_literal_propagation.rs:+1:13: +1:14
+          StorageLive(_2);                 // scope 1 at $DIR/scalar_literal_propagation.rs:+2:5: +2:15
+          StorageLive(_3);                 // scope 1 at $DIR/scalar_literal_propagation.rs:+2:13: +2:14
+-         _3 = _1;                         // scope 1 at $DIR/scalar_literal_propagation.rs:+2:13: +2:14
++         _3 = const 1_u32;                // scope 1 at $DIR/scalar_literal_propagation.rs:+2:13: +2:14
+          _2 = consume(move _3) -> [return: bb1, unwind unreachable]; // scope 1 at $DIR/scalar_literal_propagation.rs:+2:5: +2:15
+                                           // mir::Constant
+                                           // + span: $DIR/scalar_literal_propagation.rs:6:5: 6:12
+                                           // + literal: Const { ty: fn(u32) {consume}, val: Value(<ZST>) }
+      }
+  
+      bb1: {
+          StorageDead(_3);                 // scope 1 at $DIR/scalar_literal_propagation.rs:+2:14: +2:15
+          StorageDead(_2);                 // scope 1 at $DIR/scalar_literal_propagation.rs:+2:15: +2:16
+          _0 = const ();                   // scope 0 at $DIR/scalar_literal_propagation.rs:+0:11: +3:2
+          StorageDead(_1);                 // scope 0 at $DIR/scalar_literal_propagation.rs:+3:1: +3:2
+          return;                          // scope 0 at $DIR/scalar_literal_propagation.rs:+3:2: +3:2
+      }
+  }
+  
diff --git a/tests/mir-opt/const_prop/scalar_literal_propagation.main.ConstProp.diff b/tests/mir-opt/const_prop/scalar_literal_propagation.main.ConstProp.panic-unwind.diff
index c2f97a0f622..c2f97a0f622 100644
--- a/tests/mir-opt/const_prop/scalar_literal_propagation.main.ConstProp.diff
+++ b/tests/mir-opt/const_prop/scalar_literal_propagation.main.ConstProp.panic-unwind.diff
diff --git a/tests/mir-opt/const_prop/slice_len.main.ConstProp.32bit.panic-abort.diff b/tests/mir-opt/const_prop/slice_len.main.ConstProp.32bit.panic-abort.diff
new file mode 100644
index 00000000000..cd8ee121a25
--- /dev/null
+++ b/tests/mir-opt/const_prop/slice_len.main.ConstProp.32bit.panic-abort.diff
@@ -0,0 +1,50 @@
+- // MIR for `main` before ConstProp
++ // MIR for `main` after ConstProp
+  
+  fn main() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/slice_len.rs:+0:11: +0:11
+      let _1: u32;                         // in scope 0 at $DIR/slice_len.rs:+1:5: +1:33
+      let mut _2: &[u32];                  // in scope 0 at $DIR/slice_len.rs:+1:5: +1:30
+      let mut _3: &[u32; 3];               // in scope 0 at $DIR/slice_len.rs:+1:6: +1:19
+      let _4: &[u32; 3];                   // in scope 0 at $DIR/slice_len.rs:+1:6: +1:19
+      let _5: [u32; 3];                    // in scope 0 at $DIR/slice_len.rs:+1:7: +1:19
+      let _6: usize;                       // in scope 0 at $DIR/slice_len.rs:+1:31: +1:32
+      let mut _7: usize;                   // in scope 0 at $DIR/slice_len.rs:+1:5: +1:33
+      let mut _8: bool;                    // in scope 0 at $DIR/slice_len.rs:+1:5: +1:33
+      let mut _9: &[u32; 3];               // in scope 0 at $DIR/slice_len.rs:+1:6: +1:19
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/slice_len.rs:+1:5: +1:33
+          StorageLive(_2);                 // scope 0 at $DIR/slice_len.rs:+1:5: +1:30
+          StorageLive(_3);                 // scope 0 at $DIR/slice_len.rs:+1:6: +1:19
+          StorageLive(_4);                 // scope 0 at $DIR/slice_len.rs:+1:6: +1:19
+          _9 = const _;                    // scope 0 at $DIR/slice_len.rs:+1:6: +1:19
+                                           // mir::Constant
+                                           // + span: $DIR/slice_len.rs:8:6: 8:19
+                                           // + literal: Const { ty: &[u32; 3], val: Unevaluated(main, [], Some(promoted[0])) }
+          _4 = _9;                         // scope 0 at $DIR/slice_len.rs:+1:6: +1:19
+          _3 = _4;                         // scope 0 at $DIR/slice_len.rs:+1:6: +1:19
+          _2 = move _3 as &[u32] (Pointer(Unsize)); // scope 0 at $DIR/slice_len.rs:+1:6: +1:19
+          StorageDead(_3);                 // scope 0 at $DIR/slice_len.rs:+1:18: +1:19
+          StorageLive(_6);                 // scope 0 at $DIR/slice_len.rs:+1:31: +1:32
+          _6 = const 1_usize;              // scope 0 at $DIR/slice_len.rs:+1:31: +1:32
+-         _7 = Len((*_2));                 // scope 0 at $DIR/slice_len.rs:+1:5: +1:33
+-         _8 = Lt(_6, _7);                 // scope 0 at $DIR/slice_len.rs:+1:5: +1:33
+-         assert(move _8, "index out of bounds: the length is {} but the index is {}", move _7, _6) -> [success: bb1, unwind unreachable]; // scope 0 at $DIR/slice_len.rs:+1:5: +1:33
++         _7 = const 3_usize;              // scope 0 at $DIR/slice_len.rs:+1:5: +1:33
++         _8 = const true;                 // scope 0 at $DIR/slice_len.rs:+1:5: +1:33
++         assert(const true, "index out of bounds: the length is {} but the index is {}", move _7, _6) -> [success: bb1, unwind unreachable]; // scope 0 at $DIR/slice_len.rs:+1:5: +1:33
+      }
+  
+      bb1: {
+-         _1 = (*_2)[_6];                  // scope 0 at $DIR/slice_len.rs:+1:5: +1:33
++         _1 = const 2_u32;                // scope 0 at $DIR/slice_len.rs:+1:5: +1:33
+          StorageDead(_6);                 // scope 0 at $DIR/slice_len.rs:+1:33: +1:34
+          StorageDead(_4);                 // scope 0 at $DIR/slice_len.rs:+1:33: +1:34
+          StorageDead(_2);                 // scope 0 at $DIR/slice_len.rs:+1:33: +1:34
+          StorageDead(_1);                 // scope 0 at $DIR/slice_len.rs:+1:33: +1:34
+          _0 = const ();                   // scope 0 at $DIR/slice_len.rs:+0:11: +2:2
+          return;                          // scope 0 at $DIR/slice_len.rs:+2:2: +2:2
+      }
+  }
+  
diff --git a/tests/mir-opt/const_prop/slice_len.main.ConstProp.32bit.diff b/tests/mir-opt/const_prop/slice_len.main.ConstProp.32bit.panic-unwind.diff
index 8bd2b48d6d6..8bd2b48d6d6 100644
--- a/tests/mir-opt/const_prop/slice_len.main.ConstProp.32bit.diff
+++ b/tests/mir-opt/const_prop/slice_len.main.ConstProp.32bit.panic-unwind.diff
diff --git a/tests/mir-opt/const_prop/slice_len.main.ConstProp.64bit.panic-abort.diff b/tests/mir-opt/const_prop/slice_len.main.ConstProp.64bit.panic-abort.diff
new file mode 100644
index 00000000000..cd8ee121a25
--- /dev/null
+++ b/tests/mir-opt/const_prop/slice_len.main.ConstProp.64bit.panic-abort.diff
@@ -0,0 +1,50 @@
+- // MIR for `main` before ConstProp
++ // MIR for `main` after ConstProp
+  
+  fn main() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/slice_len.rs:+0:11: +0:11
+      let _1: u32;                         // in scope 0 at $DIR/slice_len.rs:+1:5: +1:33
+      let mut _2: &[u32];                  // in scope 0 at $DIR/slice_len.rs:+1:5: +1:30
+      let mut _3: &[u32; 3];               // in scope 0 at $DIR/slice_len.rs:+1:6: +1:19
+      let _4: &[u32; 3];                   // in scope 0 at $DIR/slice_len.rs:+1:6: +1:19
+      let _5: [u32; 3];                    // in scope 0 at $DIR/slice_len.rs:+1:7: +1:19
+      let _6: usize;                       // in scope 0 at $DIR/slice_len.rs:+1:31: +1:32
+      let mut _7: usize;                   // in scope 0 at $DIR/slice_len.rs:+1:5: +1:33
+      let mut _8: bool;                    // in scope 0 at $DIR/slice_len.rs:+1:5: +1:33
+      let mut _9: &[u32; 3];               // in scope 0 at $DIR/slice_len.rs:+1:6: +1:19
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/slice_len.rs:+1:5: +1:33
+          StorageLive(_2);                 // scope 0 at $DIR/slice_len.rs:+1:5: +1:30
+          StorageLive(_3);                 // scope 0 at $DIR/slice_len.rs:+1:6: +1:19
+          StorageLive(_4);                 // scope 0 at $DIR/slice_len.rs:+1:6: +1:19
+          _9 = const _;                    // scope 0 at $DIR/slice_len.rs:+1:6: +1:19
+                                           // mir::Constant
+                                           // + span: $DIR/slice_len.rs:8:6: 8:19
+                                           // + literal: Const { ty: &[u32; 3], val: Unevaluated(main, [], Some(promoted[0])) }
+          _4 = _9;                         // scope 0 at $DIR/slice_len.rs:+1:6: +1:19
+          _3 = _4;                         // scope 0 at $DIR/slice_len.rs:+1:6: +1:19
+          _2 = move _3 as &[u32] (Pointer(Unsize)); // scope 0 at $DIR/slice_len.rs:+1:6: +1:19
+          StorageDead(_3);                 // scope 0 at $DIR/slice_len.rs:+1:18: +1:19
+          StorageLive(_6);                 // scope 0 at $DIR/slice_len.rs:+1:31: +1:32
+          _6 = const 1_usize;              // scope 0 at $DIR/slice_len.rs:+1:31: +1:32
+-         _7 = Len((*_2));                 // scope 0 at $DIR/slice_len.rs:+1:5: +1:33
+-         _8 = Lt(_6, _7);                 // scope 0 at $DIR/slice_len.rs:+1:5: +1:33
+-         assert(move _8, "index out of bounds: the length is {} but the index is {}", move _7, _6) -> [success: bb1, unwind unreachable]; // scope 0 at $DIR/slice_len.rs:+1:5: +1:33
++         _7 = const 3_usize;              // scope 0 at $DIR/slice_len.rs:+1:5: +1:33
++         _8 = const true;                 // scope 0 at $DIR/slice_len.rs:+1:5: +1:33
++         assert(const true, "index out of bounds: the length is {} but the index is {}", move _7, _6) -> [success: bb1, unwind unreachable]; // scope 0 at $DIR/slice_len.rs:+1:5: +1:33
+      }
+  
+      bb1: {
+-         _1 = (*_2)[_6];                  // scope 0 at $DIR/slice_len.rs:+1:5: +1:33
++         _1 = const 2_u32;                // scope 0 at $DIR/slice_len.rs:+1:5: +1:33
+          StorageDead(_6);                 // scope 0 at $DIR/slice_len.rs:+1:33: +1:34
+          StorageDead(_4);                 // scope 0 at $DIR/slice_len.rs:+1:33: +1:34
+          StorageDead(_2);                 // scope 0 at $DIR/slice_len.rs:+1:33: +1:34
+          StorageDead(_1);                 // scope 0 at $DIR/slice_len.rs:+1:33: +1:34
+          _0 = const ();                   // scope 0 at $DIR/slice_len.rs:+0:11: +2:2
+          return;                          // scope 0 at $DIR/slice_len.rs:+2:2: +2:2
+      }
+  }
+  
diff --git a/tests/mir-opt/const_prop/slice_len.main.ConstProp.64bit.diff b/tests/mir-opt/const_prop/slice_len.main.ConstProp.64bit.panic-unwind.diff
index 8bd2b48d6d6..8bd2b48d6d6 100644
--- a/tests/mir-opt/const_prop/slice_len.main.ConstProp.64bit.diff
+++ b/tests/mir-opt/const_prop/slice_len.main.ConstProp.64bit.panic-unwind.diff
diff --git a/tests/mir-opt/const_prop/switch_int.main.ConstProp.panic-abort.diff b/tests/mir-opt/const_prop/switch_int.main.ConstProp.panic-abort.diff
new file mode 100644
index 00000000000..e334faa15cb
--- /dev/null
+++ b/tests/mir-opt/const_prop/switch_int.main.ConstProp.panic-abort.diff
@@ -0,0 +1,34 @@
+- // MIR for `main` before ConstProp
++ // MIR for `main` after ConstProp
+  
+  fn main() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/switch_int.rs:+0:11: +0:11
+      let mut _1: i32;                     // in scope 0 at $DIR/switch_int.rs:+1:11: +1:12
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/switch_int.rs:+1:11: +1:12
+          _1 = const 1_i32;                // scope 0 at $DIR/switch_int.rs:+1:11: +1:12
+-         switchInt(_1) -> [1: bb2, otherwise: bb1]; // scope 0 at $DIR/switch_int.rs:+1:5: +1:12
++         switchInt(const 1_i32) -> [1: bb2, otherwise: bb1]; // scope 0 at $DIR/switch_int.rs:+1:5: +1:12
+      }
+  
+      bb1: {
+          _0 = foo(const -1_i32) -> [return: bb3, unwind unreachable]; // scope 0 at $DIR/switch_int.rs:+3:14: +3:21
+                                           // mir::Constant
+                                           // + span: $DIR/switch_int.rs:12:14: 12:17
+                                           // + literal: Const { ty: fn(i32) {foo}, val: Value(<ZST>) }
+      }
+  
+      bb2: {
+          _0 = foo(const 0_i32) -> [return: bb3, unwind unreachable]; // scope 0 at $DIR/switch_int.rs:+2:14: +2:20
+                                           // mir::Constant
+                                           // + span: $DIR/switch_int.rs:11:14: 11:17
+                                           // + literal: Const { ty: fn(i32) {foo}, val: Value(<ZST>) }
+      }
+  
+      bb3: {
+          StorageDead(_1);                 // scope 0 at $DIR/switch_int.rs:+5:1: +5:2
+          return;                          // scope 0 at $DIR/switch_int.rs:+5:2: +5:2
+      }
+  }
+  
diff --git a/tests/mir-opt/const_prop/switch_int.main.ConstProp.diff b/tests/mir-opt/const_prop/switch_int.main.ConstProp.panic-unwind.diff
index 664b7839ffc..664b7839ffc 100644
--- a/tests/mir-opt/const_prop/switch_int.main.ConstProp.diff
+++ b/tests/mir-opt/const_prop/switch_int.main.ConstProp.panic-unwind.diff
diff --git a/tests/mir-opt/const_prop/switch_int.main.SimplifyConstCondition-after-const-prop.panic-abort.diff b/tests/mir-opt/const_prop/switch_int.main.SimplifyConstCondition-after-const-prop.panic-abort.diff
new file mode 100644
index 00000000000..865dd488f00
--- /dev/null
+++ b/tests/mir-opt/const_prop/switch_int.main.SimplifyConstCondition-after-const-prop.panic-abort.diff
@@ -0,0 +1,34 @@
+- // MIR for `main` before SimplifyConstCondition-after-const-prop
++ // MIR for `main` after SimplifyConstCondition-after-const-prop
+  
+  fn main() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/switch_int.rs:+0:11: +0:11
+      let mut _1: i32;                     // in scope 0 at $DIR/switch_int.rs:+1:11: +1:12
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/switch_int.rs:+1:11: +1:12
+          _1 = const 1_i32;                // scope 0 at $DIR/switch_int.rs:+1:11: +1:12
+-         switchInt(const 1_i32) -> [1: bb2, otherwise: bb1]; // scope 0 at $DIR/switch_int.rs:+1:5: +1:12
++         goto -> bb2;                     // scope 0 at $DIR/switch_int.rs:+1:5: +1:12
+      }
+  
+      bb1: {
+          _0 = foo(const -1_i32) -> [return: bb3, unwind unreachable]; // scope 0 at $DIR/switch_int.rs:+3:14: +3:21
+                                           // mir::Constant
+                                           // + span: $DIR/switch_int.rs:12:14: 12:17
+                                           // + literal: Const { ty: fn(i32) {foo}, val: Value(<ZST>) }
+      }
+  
+      bb2: {
+          _0 = foo(const 0_i32) -> [return: bb3, unwind unreachable]; // scope 0 at $DIR/switch_int.rs:+2:14: +2:20
+                                           // mir::Constant
+                                           // + span: $DIR/switch_int.rs:11:14: 11:17
+                                           // + literal: Const { ty: fn(i32) {foo}, val: Value(<ZST>) }
+      }
+  
+      bb3: {
+          StorageDead(_1);                 // scope 0 at $DIR/switch_int.rs:+5:1: +5:2
+          return;                          // scope 0 at $DIR/switch_int.rs:+5:2: +5:2
+      }
+  }
+  
diff --git a/tests/mir-opt/const_prop/switch_int.main.SimplifyConstCondition-after-const-prop.diff b/tests/mir-opt/const_prop/switch_int.main.SimplifyConstCondition-after-const-prop.panic-unwind.diff
index ef2c4d5faa6..ef2c4d5faa6 100644
--- a/tests/mir-opt/const_prop/switch_int.main.SimplifyConstCondition-after-const-prop.diff
+++ b/tests/mir-opt/const_prop/switch_int.main.SimplifyConstCondition-after-const-prop.panic-unwind.diff
diff --git a/tests/mir-opt/const_prop/tuple_literal_propagation.main.ConstProp.panic-abort.diff b/tests/mir-opt/const_prop/tuple_literal_propagation.main.ConstProp.panic-abort.diff
new file mode 100644
index 00000000000..f9ae4da800b
--- /dev/null
+++ b/tests/mir-opt/const_prop/tuple_literal_propagation.main.ConstProp.panic-abort.diff
@@ -0,0 +1,35 @@
+- // MIR for `main` before ConstProp
++ // MIR for `main` after ConstProp
+  
+  fn main() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/tuple_literal_propagation.rs:+0:11: +0:11
+      let _1: (u32, u32);                  // in scope 0 at $DIR/tuple_literal_propagation.rs:+1:9: +1:10
+      let _2: ();                          // in scope 0 at $DIR/tuple_literal_propagation.rs:+3:5: +3:15
+      let mut _3: (u32, u32);              // in scope 0 at $DIR/tuple_literal_propagation.rs:+3:13: +3:14
+      scope 1 {
+          debug x => _1;                   // in scope 1 at $DIR/tuple_literal_propagation.rs:+1:9: +1:10
+      }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/tuple_literal_propagation.rs:+1:9: +1:10
+-         _1 = (const 1_u32, const 2_u32); // scope 0 at $DIR/tuple_literal_propagation.rs:+1:13: +1:19
++         _1 = const (1_u32, 2_u32);       // scope 0 at $DIR/tuple_literal_propagation.rs:+1:13: +1:19
+          StorageLive(_2);                 // scope 1 at $DIR/tuple_literal_propagation.rs:+3:5: +3:15
+          StorageLive(_3);                 // scope 1 at $DIR/tuple_literal_propagation.rs:+3:13: +3:14
+-         _3 = _1;                         // scope 1 at $DIR/tuple_literal_propagation.rs:+3:13: +3:14
++         _3 = const (1_u32, 2_u32);       // scope 1 at $DIR/tuple_literal_propagation.rs:+3:13: +3:14
+          _2 = consume(move _3) -> [return: bb1, unwind unreachable]; // scope 1 at $DIR/tuple_literal_propagation.rs:+3:5: +3:15
+                                           // mir::Constant
+                                           // + span: $DIR/tuple_literal_propagation.rs:7:5: 7:12
+                                           // + literal: Const { ty: fn((u32, u32)) {consume}, val: Value(<ZST>) }
+      }
+  
+      bb1: {
+          StorageDead(_3);                 // scope 1 at $DIR/tuple_literal_propagation.rs:+3:14: +3:15
+          StorageDead(_2);                 // scope 1 at $DIR/tuple_literal_propagation.rs:+3:15: +3:16
+          _0 = const ();                   // scope 0 at $DIR/tuple_literal_propagation.rs:+0:11: +4:2
+          StorageDead(_1);                 // scope 0 at $DIR/tuple_literal_propagation.rs:+4:1: +4:2
+          return;                          // scope 0 at $DIR/tuple_literal_propagation.rs:+4:2: +4:2
+      }
+  }
+  
diff --git a/tests/mir-opt/const_prop/tuple_literal_propagation.main.ConstProp.diff b/tests/mir-opt/const_prop/tuple_literal_propagation.main.ConstProp.panic-unwind.diff
index e4a7c0d1e72..e4a7c0d1e72 100644
--- a/tests/mir-opt/const_prop/tuple_literal_propagation.main.ConstProp.diff
+++ b/tests/mir-opt/const_prop/tuple_literal_propagation.main.ConstProp.panic-unwind.diff
diff --git a/tests/mir-opt/copy-prop/borrowed_local.f.CopyProp.panic-abort.diff b/tests/mir-opt/copy-prop/borrowed_local.f.CopyProp.panic-abort.diff
new file mode 100644
index 00000000000..00d22c9313e
--- /dev/null
+++ b/tests/mir-opt/copy-prop/borrowed_local.f.CopyProp.panic-abort.diff
@@ -0,0 +1,33 @@
+- // MIR for `f` before CopyProp
++ // MIR for `f` after CopyProp
+  
+  fn f() -> bool {
+      let mut _0: bool;                    // return place in scope 0 at $DIR/borrowed_local.rs:+0:11: +0:15
+      let mut _1: u8;                      // in scope 0 at $SRC_DIR/core/src/intrinsics/mir.rs:LL:COL
+      let mut _2: &u8;                     // in scope 0 at $SRC_DIR/core/src/intrinsics/mir.rs:LL:COL
+      let mut _3: u8;                      // in scope 0 at $SRC_DIR/core/src/intrinsics/mir.rs:LL:COL
+      let mut _4: &u8;                     // in scope 0 at $SRC_DIR/core/src/intrinsics/mir.rs:LL:COL
+  
+      bb0: {
+          _1 = const 5_u8;                 // scope 0 at $SRC_DIR/core/src/intrinsics/mir.rs:LL:COL
+          _2 = &_1;                        // scope 0 at $SRC_DIR/core/src/intrinsics/mir.rs:LL:COL
+          _3 = _1;                         // scope 0 at $SRC_DIR/core/src/intrinsics/mir.rs:LL:COL
+          _4 = &_3;                        // scope 0 at $SRC_DIR/core/src/intrinsics/mir.rs:LL:COL
+          _0 = cmp_ref(_2, _4) -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/borrowed_local.rs:+8:13: +8:45
+                                           // mir::Constant
+                                           // + span: $DIR/borrowed_local.rs:24:29: 24:36
+                                           // + literal: Const { ty: for<'a, 'b> fn(&'a u8, &'b u8) -> bool {cmp_ref}, val: Value(<ZST>) }
+      }
+  
+      bb1: {
+          _0 = opaque::<u8>(_3) -> [return: bb2, unwind unreachable]; // scope 0 at $DIR/borrowed_local.rs:+12:13: +12:38
+                                           // mir::Constant
+                                           // + span: $DIR/borrowed_local.rs:28:28: 28:34
+                                           // + literal: Const { ty: fn(u8) -> bool {opaque::<u8>}, val: Value(<ZST>) }
+      }
+  
+      bb2: {
+          return;                          // scope 0 at $DIR/borrowed_local.rs:+15:13: +15:21
+      }
+  }
+  
diff --git a/tests/mir-opt/copy-prop/borrowed_local.f.CopyProp.diff b/tests/mir-opt/copy-prop/borrowed_local.f.CopyProp.panic-unwind.diff
index 51707e71661..51707e71661 100644
--- a/tests/mir-opt/copy-prop/borrowed_local.f.CopyProp.diff
+++ b/tests/mir-opt/copy-prop/borrowed_local.f.CopyProp.panic-unwind.diff
diff --git a/tests/mir-opt/copy-prop/branch.foo.CopyProp.panic-abort.diff b/tests/mir-opt/copy-prop/branch.foo.CopyProp.panic-abort.diff
new file mode 100644
index 00000000000..e52005cd457
--- /dev/null
+++ b/tests/mir-opt/copy-prop/branch.foo.CopyProp.panic-abort.diff
@@ -0,0 +1,65 @@
+- // MIR for `foo` before CopyProp
++ // MIR for `foo` after CopyProp
+  
+  fn foo() -> i32 {
+      let mut _0: i32;                     // return place in scope 0 at $DIR/branch.rs:+0:13: +0:16
+      let _1: i32;                         // in scope 0 at $DIR/branch.rs:+1:9: +1:10
+      let mut _3: bool;                    // in scope 0 at $DIR/branch.rs:+3:16: +3:22
+      let _4: i32;                         // in scope 0 at $DIR/branch.rs:+6:9: +6:14
+      scope 1 {
+          debug x => _1;                   // in scope 1 at $DIR/branch.rs:+1:9: +1:10
+          let _2: i32;                     // in scope 1 at $DIR/branch.rs:+3:9: +3:10
+          scope 2 {
+              debug y => _2;               // in scope 2 at $DIR/branch.rs:+3:9: +3:10
+          }
+      }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/branch.rs:+1:9: +1:10
+          _1 = val() -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/branch.rs:+1:13: +1:18
+                                           // mir::Constant
+                                           // + span: $DIR/branch.rs:14:13: 14:16
+                                           // + literal: Const { ty: fn() -> i32 {val}, val: Value(<ZST>) }
+      }
+  
+      bb1: {
+          StorageLive(_2);                 // scope 1 at $DIR/branch.rs:+3:9: +3:10
+          StorageLive(_3);                 // scope 1 at $DIR/branch.rs:+3:16: +3:22
+          _3 = cond() -> [return: bb2, unwind unreachable]; // scope 1 at $DIR/branch.rs:+3:16: +3:22
+                                           // mir::Constant
+                                           // + span: $DIR/branch.rs:16:16: 16:20
+                                           // + literal: Const { ty: fn() -> bool {cond}, val: Value(<ZST>) }
+      }
+  
+      bb2: {
+          switchInt(move _3) -> [0: bb4, otherwise: bb3]; // scope 1 at $DIR/branch.rs:+3:16: +3:22
+      }
+  
+      bb3: {
+          _2 = _1;                         // scope 1 at $DIR/branch.rs:+4:9: +4:10
+          goto -> bb6;                     // scope 1 at $DIR/branch.rs:+3:13: +8:6
+      }
+  
+      bb4: {
+          StorageLive(_4);                 // scope 1 at $DIR/branch.rs:+6:9: +6:14
+          _4 = val() -> [return: bb5, unwind unreachable]; // scope 1 at $DIR/branch.rs:+6:9: +6:14
+                                           // mir::Constant
+                                           // + span: $DIR/branch.rs:19:9: 19:12
+                                           // + literal: Const { ty: fn() -> i32 {val}, val: Value(<ZST>) }
+      }
+  
+      bb5: {
+          StorageDead(_4);                 // scope 1 at $DIR/branch.rs:+6:14: +6:15
+          _2 = _1;                         // scope 1 at $DIR/branch.rs:+7:9: +7:10
+          goto -> bb6;                     // scope 1 at $DIR/branch.rs:+3:13: +8:6
+      }
+  
+      bb6: {
+          StorageDead(_3);                 // scope 1 at $DIR/branch.rs:+8:5: +8:6
+          _0 = _2;                         // scope 2 at $DIR/branch.rs:+10:5: +10:6
+          StorageDead(_2);                 // scope 1 at $DIR/branch.rs:+11:1: +11:2
+          StorageDead(_1);                 // scope 0 at $DIR/branch.rs:+11:1: +11:2
+          return;                          // scope 0 at $DIR/branch.rs:+11:2: +11:2
+      }
+  }
+  
diff --git a/tests/mir-opt/copy-prop/branch.foo.CopyProp.diff b/tests/mir-opt/copy-prop/branch.foo.CopyProp.panic-unwind.diff
index b78c19d78d0..b78c19d78d0 100644
--- a/tests/mir-opt/copy-prop/branch.foo.CopyProp.diff
+++ b/tests/mir-opt/copy-prop/branch.foo.CopyProp.panic-unwind.diff
diff --git a/tests/mir-opt/copy-prop/copy_propagation_arg.arg_src.CopyProp.diff b/tests/mir-opt/copy-prop/copy_propagation_arg.arg_src.CopyProp.panic-abort.diff
index 1c7b6494d6d..1c7b6494d6d 100644
--- a/tests/mir-opt/copy-prop/copy_propagation_arg.arg_src.CopyProp.diff
+++ b/tests/mir-opt/copy-prop/copy_propagation_arg.arg_src.CopyProp.panic-abort.diff
diff --git a/tests/mir-opt/copy-prop/copy_propagation_arg.arg_src.CopyProp.panic-unwind.diff b/tests/mir-opt/copy-prop/copy_propagation_arg.arg_src.CopyProp.panic-unwind.diff
new file mode 100644
index 00000000000..1c7b6494d6d
--- /dev/null
+++ b/tests/mir-opt/copy-prop/copy_propagation_arg.arg_src.CopyProp.panic-unwind.diff
@@ -0,0 +1,23 @@
+- // MIR for `arg_src` before CopyProp
++ // MIR for `arg_src` after CopyProp
+  
+  fn arg_src(_1: i32) -> i32 {
+      debug x => _1;                       // in scope 0 at $DIR/copy_propagation_arg.rs:+0:12: +0:17
+      let mut _0: i32;                     // return place in scope 0 at $DIR/copy_propagation_arg.rs:+0:27: +0:30
+      let _2: i32;                         // in scope 0 at $DIR/copy_propagation_arg.rs:+1:9: +1:10
+      scope 1 {
+-         debug y => _2;                   // in scope 1 at $DIR/copy_propagation_arg.rs:+1:9: +1:10
++         debug y => _0;                   // in scope 1 at $DIR/copy_propagation_arg.rs:+1:9: +1:10
+      }
+  
+      bb0: {
+-         StorageLive(_2);                 // scope 0 at $DIR/copy_propagation_arg.rs:+1:9: +1:10
+-         _2 = _1;                         // scope 0 at $DIR/copy_propagation_arg.rs:+1:13: +1:14
++         _0 = _1;                         // scope 0 at $DIR/copy_propagation_arg.rs:+1:13: +1:14
+          _1 = const 123_i32;              // scope 1 at $DIR/copy_propagation_arg.rs:+2:5: +2:12
+-         _0 = _2;                         // scope 1 at $DIR/copy_propagation_arg.rs:+3:5: +3:6
+-         StorageDead(_2);                 // scope 0 at $DIR/copy_propagation_arg.rs:+4:1: +4:2
+          return;                          // scope 0 at $DIR/copy_propagation_arg.rs:+4:2: +4:2
+      }
+  }
+  
diff --git a/tests/mir-opt/copy-prop/copy_propagation_arg.bar.CopyProp.panic-abort.diff b/tests/mir-opt/copy-prop/copy_propagation_arg.bar.CopyProp.panic-abort.diff
new file mode 100644
index 00000000000..3c494af01c0
--- /dev/null
+++ b/tests/mir-opt/copy-prop/copy_propagation_arg.bar.CopyProp.panic-abort.diff
@@ -0,0 +1,28 @@
+- // MIR for `bar` before CopyProp
++ // MIR for `bar` after CopyProp
+  
+  fn bar(_1: u8) -> () {
+      debug x => _1;                       // in scope 0 at $DIR/copy_propagation_arg.rs:+0:8: +0:13
+      let mut _0: ();                      // return place in scope 0 at $DIR/copy_propagation_arg.rs:+0:19: +0:19
+      let _2: u8;                          // in scope 0 at $DIR/copy_propagation_arg.rs:+1:5: +1:13
+      let mut _3: u8;                      // in scope 0 at $DIR/copy_propagation_arg.rs:+1:11: +1:12
+  
+      bb0: {
+          StorageLive(_2);                 // scope 0 at $DIR/copy_propagation_arg.rs:+1:5: +1:13
+          StorageLive(_3);                 // scope 0 at $DIR/copy_propagation_arg.rs:+1:11: +1:12
+          _3 = _1;                         // scope 0 at $DIR/copy_propagation_arg.rs:+1:11: +1:12
+          _2 = dummy(move _3) -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/copy_propagation_arg.rs:+1:5: +1:13
+                                           // mir::Constant
+                                           // + span: $DIR/copy_propagation_arg.rs:17:5: 17:10
+                                           // + literal: Const { ty: fn(u8) -> u8 {dummy}, val: Value(<ZST>) }
+      }
+  
+      bb1: {
+          StorageDead(_3);                 // scope 0 at $DIR/copy_propagation_arg.rs:+1:12: +1:13
+          StorageDead(_2);                 // scope 0 at $DIR/copy_propagation_arg.rs:+1:13: +1:14
+          _1 = const 5_u8;                 // scope 0 at $DIR/copy_propagation_arg.rs:+2:5: +2:10
+          _0 = const ();                   // scope 0 at $DIR/copy_propagation_arg.rs:+0:19: +3:2
+          return;                          // scope 0 at $DIR/copy_propagation_arg.rs:+3:2: +3:2
+      }
+  }
+  
diff --git a/tests/mir-opt/copy-prop/copy_propagation_arg.bar.CopyProp.diff b/tests/mir-opt/copy-prop/copy_propagation_arg.bar.CopyProp.panic-unwind.diff
index 24bca32207f..24bca32207f 100644
--- a/tests/mir-opt/copy-prop/copy_propagation_arg.bar.CopyProp.diff
+++ b/tests/mir-opt/copy-prop/copy_propagation_arg.bar.CopyProp.panic-unwind.diff
diff --git a/tests/mir-opt/copy-prop/copy_propagation_arg.baz.CopyProp.diff b/tests/mir-opt/copy-prop/copy_propagation_arg.baz.CopyProp.panic-abort.diff
index 7ab6ebb7d53..7ab6ebb7d53 100644
--- a/tests/mir-opt/copy-prop/copy_propagation_arg.baz.CopyProp.diff
+++ b/tests/mir-opt/copy-prop/copy_propagation_arg.baz.CopyProp.panic-abort.diff
diff --git a/tests/mir-opt/copy-prop/copy_propagation_arg.baz.CopyProp.panic-unwind.diff b/tests/mir-opt/copy-prop/copy_propagation_arg.baz.CopyProp.panic-unwind.diff
new file mode 100644
index 00000000000..7ab6ebb7d53
--- /dev/null
+++ b/tests/mir-opt/copy-prop/copy_propagation_arg.baz.CopyProp.panic-unwind.diff
@@ -0,0 +1,18 @@
+- // MIR for `baz` before CopyProp
++ // MIR for `baz` after CopyProp
+  
+  fn baz(_1: i32) -> i32 {
+      debug x => _1;                       // in scope 0 at $DIR/copy_propagation_arg.rs:+0:8: +0:13
+      let mut _0: i32;                     // return place in scope 0 at $DIR/copy_propagation_arg.rs:+0:23: +0:26
+      let mut _2: i32;                     // in scope 0 at $DIR/copy_propagation_arg.rs:+2:9: +2:10
+  
+      bb0: {
+          StorageLive(_2);                 // scope 0 at $DIR/copy_propagation_arg.rs:+2:9: +2:10
+          _2 = _1;                         // scope 0 at $DIR/copy_propagation_arg.rs:+2:9: +2:10
+          _1 = move _2;                    // scope 0 at $DIR/copy_propagation_arg.rs:+2:5: +2:10
+          StorageDead(_2);                 // scope 0 at $DIR/copy_propagation_arg.rs:+2:9: +2:10
+          _0 = _1;                         // scope 0 at $DIR/copy_propagation_arg.rs:+3:5: +3:6
+          return;                          // scope 0 at $DIR/copy_propagation_arg.rs:+4:2: +4:2
+      }
+  }
+  
diff --git a/tests/mir-opt/copy-prop/copy_propagation_arg.foo.CopyProp.panic-abort.diff b/tests/mir-opt/copy-prop/copy_propagation_arg.foo.CopyProp.panic-abort.diff
new file mode 100644
index 00000000000..5845be331a5
--- /dev/null
+++ b/tests/mir-opt/copy-prop/copy_propagation_arg.foo.CopyProp.panic-abort.diff
@@ -0,0 +1,28 @@
+- // MIR for `foo` before CopyProp
++ // MIR for `foo` after CopyProp
+  
+  fn foo(_1: u8) -> () {
+      debug x => _1;                       // in scope 0 at $DIR/copy_propagation_arg.rs:+0:8: +0:13
+      let mut _0: ();                      // return place in scope 0 at $DIR/copy_propagation_arg.rs:+0:19: +0:19
+      let mut _2: u8;                      // in scope 0 at $DIR/copy_propagation_arg.rs:+2:9: +2:17
+      let mut _3: u8;                      // in scope 0 at $DIR/copy_propagation_arg.rs:+2:15: +2:16
+  
+      bb0: {
+          StorageLive(_2);                 // scope 0 at $DIR/copy_propagation_arg.rs:+2:9: +2:17
+          StorageLive(_3);                 // scope 0 at $DIR/copy_propagation_arg.rs:+2:15: +2:16
+          _3 = _1;                         // scope 0 at $DIR/copy_propagation_arg.rs:+2:15: +2:16
+          _2 = dummy(move _3) -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/copy_propagation_arg.rs:+2:9: +2:17
+                                           // mir::Constant
+                                           // + span: $DIR/copy_propagation_arg.rs:12:9: 12:14
+                                           // + literal: Const { ty: fn(u8) -> u8 {dummy}, val: Value(<ZST>) }
+      }
+  
+      bb1: {
+          StorageDead(_3);                 // scope 0 at $DIR/copy_propagation_arg.rs:+2:16: +2:17
+          _1 = move _2;                    // scope 0 at $DIR/copy_propagation_arg.rs:+2:5: +2:17
+          StorageDead(_2);                 // scope 0 at $DIR/copy_propagation_arg.rs:+2:16: +2:17
+          _0 = const ();                   // scope 0 at $DIR/copy_propagation_arg.rs:+0:19: +3:2
+          return;                          // scope 0 at $DIR/copy_propagation_arg.rs:+3:2: +3:2
+      }
+  }
+  
diff --git a/tests/mir-opt/copy-prop/copy_propagation_arg.foo.CopyProp.diff b/tests/mir-opt/copy-prop/copy_propagation_arg.foo.CopyProp.panic-unwind.diff
index 87708f34005..87708f34005 100644
--- a/tests/mir-opt/copy-prop/copy_propagation_arg.foo.CopyProp.diff
+++ b/tests/mir-opt/copy-prop/copy_propagation_arg.foo.CopyProp.panic-unwind.diff
diff --git a/tests/mir-opt/copy-prop/custom_move_arg.f.CopyProp.panic-abort.diff b/tests/mir-opt/copy-prop/custom_move_arg.f.CopyProp.panic-abort.diff
new file mode 100644
index 00000000000..ab136769085
--- /dev/null
+++ b/tests/mir-opt/copy-prop/custom_move_arg.f.CopyProp.panic-abort.diff
@@ -0,0 +1,31 @@
+- // MIR for `f` before CopyProp
++ // MIR for `f` after CopyProp
+  
+  fn f(_1: NotCopy) -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/custom_move_arg.rs:+0:19: +0:19
+      let mut _2: NotCopy;                 // in scope 0 at $SRC_DIR/core/src/intrinsics/mir.rs:LL:COL
+      let mut _3: NotCopy;                 // in scope 0 at $SRC_DIR/core/src/intrinsics/mir.rs:LL:COL
+  
+      bb0: {
+-         _2 = _1;                         // scope 0 at $SRC_DIR/core/src/intrinsics/mir.rs:LL:COL
+-         _0 = opaque::<NotCopy>(move _1) -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/custom_move_arg.rs:+3:9: +3:41
++         _0 = opaque::<NotCopy>(_1) -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/custom_move_arg.rs:+3:9: +3:41
+                                           // mir::Constant
+                                           // + span: $DIR/custom_move_arg.rs:16:24: 16:30
+                                           // + literal: Const { ty: fn(NotCopy) {opaque::<NotCopy>}, val: Value(<ZST>) }
+      }
+  
+      bb1: {
+-         _3 = move _2;                    // scope 0 at $SRC_DIR/core/src/intrinsics/mir.rs:LL:COL
+-         _0 = opaque::<NotCopy>(_3) -> [return: bb2, unwind unreachable]; // scope 0 at $DIR/custom_move_arg.rs:+7:9: +7:35
++         _0 = opaque::<NotCopy>(_1) -> [return: bb2, unwind unreachable]; // scope 0 at $DIR/custom_move_arg.rs:+7:9: +7:35
+                                           // mir::Constant
+                                           // + span: $DIR/custom_move_arg.rs:20:24: 20:30
+                                           // + literal: Const { ty: fn(NotCopy) {opaque::<NotCopy>}, val: Value(<ZST>) }
+      }
+  
+      bb2: {
+          return;                          // scope 0 at $DIR/custom_move_arg.rs:+10:9: +10:17
+      }
+  }
+  
diff --git a/tests/mir-opt/copy-prop/custom_move_arg.f.CopyProp.diff b/tests/mir-opt/copy-prop/custom_move_arg.f.CopyProp.panic-unwind.diff
index 160f47bdd8f..160f47bdd8f 100644
--- a/tests/mir-opt/copy-prop/custom_move_arg.f.CopyProp.diff
+++ b/tests/mir-opt/copy-prop/custom_move_arg.f.CopyProp.panic-unwind.diff
diff --git a/tests/mir-opt/copy-prop/cycle.main.CopyProp.panic-abort.diff b/tests/mir-opt/copy-prop/cycle.main.CopyProp.panic-abort.diff
new file mode 100644
index 00000000000..37158af7648
--- /dev/null
+++ b/tests/mir-opt/copy-prop/cycle.main.CopyProp.panic-abort.diff
@@ -0,0 +1,60 @@
+- // MIR for `main` before CopyProp
++ // MIR for `main` after CopyProp
+  
+  fn main() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/cycle.rs:+0:11: +0:11
+      let mut _1: i32;                     // in scope 0 at $DIR/cycle.rs:+1:9: +1:14
+      let mut _4: i32;                     // in scope 0 at $DIR/cycle.rs:+4:9: +4:10
+      let _5: ();                          // in scope 0 at $DIR/cycle.rs:+6:5: +6:12
+      let mut _6: i32;                     // in scope 0 at $DIR/cycle.rs:+6:10: +6:11
+      scope 1 {
+          debug x => _1;                   // in scope 1 at $DIR/cycle.rs:+1:9: +1:14
+          let _2: i32;                     // in scope 1 at $DIR/cycle.rs:+2:9: +2:10
+          scope 2 {
+              debug y => _2;               // in scope 2 at $DIR/cycle.rs:+2:9: +2:10
+              let _3: i32;                 // in scope 2 at $DIR/cycle.rs:+3:9: +3:10
+              scope 3 {
+-                 debug z => _3;           // in scope 3 at $DIR/cycle.rs:+3:9: +3:10
++                 debug z => _2;           // in scope 3 at $DIR/cycle.rs:+3:9: +3:10
+              }
+          }
+      }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/cycle.rs:+1:9: +1:14
+          _1 = val() -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/cycle.rs:+1:17: +1:22
+                                           // mir::Constant
+                                           // + span: $DIR/cycle.rs:10:17: 10:20
+                                           // + literal: Const { ty: fn() -> i32 {val}, val: Value(<ZST>) }
+      }
+  
+      bb1: {
+-         StorageLive(_2);                 // scope 1 at $DIR/cycle.rs:+2:9: +2:10
+          _2 = _1;                         // scope 1 at $DIR/cycle.rs:+2:13: +2:14
+-         StorageLive(_3);                 // scope 2 at $DIR/cycle.rs:+3:9: +3:10
+-         _3 = _2;                         // scope 2 at $DIR/cycle.rs:+3:13: +3:14
+-         StorageLive(_4);                 // scope 3 at $DIR/cycle.rs:+4:9: +4:10
+-         _4 = _3;                         // scope 3 at $DIR/cycle.rs:+4:9: +4:10
+-         _1 = move _4;                    // scope 3 at $DIR/cycle.rs:+4:5: +4:10
+-         StorageDead(_4);                 // scope 3 at $DIR/cycle.rs:+4:9: +4:10
++         _1 = _2;                         // scope 3 at $DIR/cycle.rs:+4:5: +4:10
+          StorageLive(_5);                 // scope 3 at $DIR/cycle.rs:+6:5: +6:12
+          StorageLive(_6);                 // scope 3 at $DIR/cycle.rs:+6:10: +6:11
+          _6 = _1;                         // scope 3 at $DIR/cycle.rs:+6:10: +6:11
+          _5 = std::mem::drop::<i32>(move _6) -> [return: bb2, unwind unreachable]; // scope 3 at $DIR/cycle.rs:+6:5: +6:12
+                                           // mir::Constant
+                                           // + span: $DIR/cycle.rs:15:5: 15:9
+                                           // + literal: Const { ty: fn(i32) {std::mem::drop::<i32>}, val: Value(<ZST>) }
+      }
+  
+      bb2: {
+          StorageDead(_6);                 // scope 3 at $DIR/cycle.rs:+6:11: +6:12
+          StorageDead(_5);                 // scope 3 at $DIR/cycle.rs:+6:12: +6:13
+          _0 = const ();                   // scope 0 at $DIR/cycle.rs:+0:11: +7:2
+-         StorageDead(_3);                 // scope 2 at $DIR/cycle.rs:+7:1: +7:2
+-         StorageDead(_2);                 // scope 1 at $DIR/cycle.rs:+7:1: +7:2
+          StorageDead(_1);                 // scope 0 at $DIR/cycle.rs:+7:1: +7:2
+          return;                          // scope 0 at $DIR/cycle.rs:+7:2: +7:2
+      }
+  }
+  
diff --git a/tests/mir-opt/copy-prop/cycle.main.CopyProp.diff b/tests/mir-opt/copy-prop/cycle.main.CopyProp.panic-unwind.diff
index 23d92ed1ac5..23d92ed1ac5 100644
--- a/tests/mir-opt/copy-prop/cycle.main.CopyProp.diff
+++ b/tests/mir-opt/copy-prop/cycle.main.CopyProp.panic-unwind.diff
diff --git a/tests/mir-opt/copy-prop/dead_stores_79191.f.CopyProp.after.panic-abort.mir b/tests/mir-opt/copy-prop/dead_stores_79191.f.CopyProp.after.panic-abort.mir
new file mode 100644
index 00000000000..8de0a56c58c
--- /dev/null
+++ b/tests/mir-opt/copy-prop/dead_stores_79191.f.CopyProp.after.panic-abort.mir
@@ -0,0 +1,29 @@
+// MIR for `f` after CopyProp
+
+fn f(_1: usize) -> usize {
+    debug a => _1;                       // in scope 0 at $DIR/dead_stores_79191.rs:+0:6: +0:11
+    let mut _0: usize;                   // return place in scope 0 at $DIR/dead_stores_79191.rs:+0:23: +0:28
+    let _2: usize;                       // in scope 0 at $DIR/dead_stores_79191.rs:+1:9: +1:10
+    let mut _3: usize;                   // in scope 0 at $DIR/dead_stores_79191.rs:+3:9: +3:10
+    let mut _4: usize;                   // in scope 0 at $DIR/dead_stores_79191.rs:+4:8: +4:9
+    scope 1 {
+        debug b => _2;                   // in scope 1 at $DIR/dead_stores_79191.rs:+1:9: +1:10
+    }
+
+    bb0: {
+        _2 = _1;                         // scope 0 at $DIR/dead_stores_79191.rs:+1:13: +1:14
+        _1 = const 5_usize;              // scope 1 at $DIR/dead_stores_79191.rs:+2:5: +2:10
+        _1 = _2;                         // scope 1 at $DIR/dead_stores_79191.rs:+3:5: +3:10
+        StorageLive(_4);                 // scope 1 at $DIR/dead_stores_79191.rs:+4:8: +4:9
+        _4 = _1;                         // scope 1 at $DIR/dead_stores_79191.rs:+4:8: +4:9
+        _0 = id::<usize>(move _4) -> [return: bb1, unwind unreachable]; // scope 1 at $DIR/dead_stores_79191.rs:+4:5: +4:10
+                                         // mir::Constant
+                                         // + span: $DIR/dead_stores_79191.rs:13:5: 13:7
+                                         // + literal: Const { ty: fn(usize) -> usize {id::<usize>}, val: Value(<ZST>) }
+    }
+
+    bb1: {
+        StorageDead(_4);                 // scope 1 at $DIR/dead_stores_79191.rs:+4:9: +4:10
+        return;                          // scope 0 at $DIR/dead_stores_79191.rs:+5:2: +5:2
+    }
+}
diff --git a/tests/mir-opt/copy-prop/dead_stores_79191.f.CopyProp.after.mir b/tests/mir-opt/copy-prop/dead_stores_79191.f.CopyProp.after.panic-unwind.mir
index c56418d8893..c56418d8893 100644
--- a/tests/mir-opt/copy-prop/dead_stores_79191.f.CopyProp.after.mir
+++ b/tests/mir-opt/copy-prop/dead_stores_79191.f.CopyProp.after.panic-unwind.mir
diff --git a/tests/mir-opt/copy-prop/dead_stores_better.f.CopyProp.after.panic-abort.mir b/tests/mir-opt/copy-prop/dead_stores_better.f.CopyProp.after.panic-abort.mir
new file mode 100644
index 00000000000..606b94f3e70
--- /dev/null
+++ b/tests/mir-opt/copy-prop/dead_stores_better.f.CopyProp.after.panic-abort.mir
@@ -0,0 +1,29 @@
+// MIR for `f` after CopyProp
+
+fn f(_1: usize) -> usize {
+    debug a => _1;                       // in scope 0 at $DIR/dead_stores_better.rs:+0:10: +0:15
+    let mut _0: usize;                   // return place in scope 0 at $DIR/dead_stores_better.rs:+0:27: +0:32
+    let _2: usize;                       // in scope 0 at $DIR/dead_stores_better.rs:+1:9: +1:10
+    let mut _3: usize;                   // in scope 0 at $DIR/dead_stores_better.rs:+3:9: +3:10
+    let mut _4: usize;                   // in scope 0 at $DIR/dead_stores_better.rs:+4:8: +4:9
+    scope 1 {
+        debug b => _2;                   // in scope 1 at $DIR/dead_stores_better.rs:+1:9: +1:10
+    }
+
+    bb0: {
+        _2 = _1;                         // scope 0 at $DIR/dead_stores_better.rs:+1:13: +1:14
+        _1 = const 5_usize;              // scope 1 at $DIR/dead_stores_better.rs:+2:5: +2:10
+        _1 = _2;                         // scope 1 at $DIR/dead_stores_better.rs:+3:5: +3:10
+        StorageLive(_4);                 // scope 1 at $DIR/dead_stores_better.rs:+4:8: +4:9
+        _4 = _1;                         // scope 1 at $DIR/dead_stores_better.rs:+4:8: +4:9
+        _0 = id::<usize>(move _4) -> [return: bb1, unwind unreachable]; // scope 1 at $DIR/dead_stores_better.rs:+4:5: +4:10
+                                         // mir::Constant
+                                         // + span: $DIR/dead_stores_better.rs:17:5: 17:7
+                                         // + literal: Const { ty: fn(usize) -> usize {id::<usize>}, val: Value(<ZST>) }
+    }
+
+    bb1: {
+        StorageDead(_4);                 // scope 1 at $DIR/dead_stores_better.rs:+4:9: +4:10
+        return;                          // scope 0 at $DIR/dead_stores_better.rs:+5:2: +5:2
+    }
+}
diff --git a/tests/mir-opt/copy-prop/dead_stores_better.f.CopyProp.after.mir b/tests/mir-opt/copy-prop/dead_stores_better.f.CopyProp.after.panic-unwind.mir
index f355421732e..f355421732e 100644
--- a/tests/mir-opt/copy-prop/dead_stores_better.f.CopyProp.after.mir
+++ b/tests/mir-opt/copy-prop/dead_stores_better.f.CopyProp.after.panic-unwind.mir
diff --git a/tests/mir-opt/copy-prop/issue_107511.main.CopyProp.panic-abort.diff b/tests/mir-opt/copy-prop/issue_107511.main.CopyProp.panic-abort.diff
new file mode 100644
index 00000000000..701cdda0fce
--- /dev/null
+++ b/tests/mir-opt/copy-prop/issue_107511.main.CopyProp.panic-abort.diff
@@ -0,0 +1,138 @@
+- // MIR for `main` before CopyProp
++ // MIR for `main` after CopyProp
+  
+  fn main() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/issue_107511.rs:+0:11: +0:11
+      let mut _1: i32;                     // in scope 0 at $DIR/issue_107511.rs:+1:9: +1:16
+      let mut _3: std::ops::Range<usize>;  // in scope 0 at $DIR/issue_107511.rs:+6:14: +6:24
+      let mut _4: std::ops::Range<usize>;  // in scope 0 at $DIR/issue_107511.rs:+6:14: +6:24
+      let mut _5: usize;                   // in scope 0 at $DIR/issue_107511.rs:+6:17: +6:24
+      let mut _6: &[i32];                  // in scope 0 at $DIR/issue_107511.rs:+6:17: +6:24
+      let mut _7: &[i32; 4];               // in scope 0 at $DIR/issue_107511.rs:+6:17: +6:24
+      let mut _9: ();                      // in scope 0 at $DIR/issue_107511.rs:+0:1: +9:2
+      let _10: ();                         // in scope 0 at $DIR/issue_107511.rs:+6:14: +6:24
+      let mut _11: std::option::Option<usize>; // in scope 0 at $DIR/issue_107511.rs:+6:14: +6:24
+      let mut _12: &mut std::ops::Range<usize>; // in scope 0 at $DIR/issue_107511.rs:+6:14: +6:24
+      let mut _13: &mut std::ops::Range<usize>; // in scope 0 at $DIR/issue_107511.rs:+6:14: +6:24
+      let mut _14: isize;                  // in scope 0 at $DIR/issue_107511.rs:+6:5: +8:6
+      let mut _15: !;                      // in scope 0 at $DIR/issue_107511.rs:+6:5: +8:6
+      let mut _17: i32;                    // in scope 0 at $DIR/issue_107511.rs:+7:16: +7:20
+      let _18: usize;                      // in scope 0 at $DIR/issue_107511.rs:+7:18: +7:19
+      let mut _19: usize;                  // in scope 0 at $DIR/issue_107511.rs:+7:16: +7:20
+      let mut _20: bool;                   // in scope 0 at $DIR/issue_107511.rs:+7:16: +7:20
+      scope 1 {
+          debug sum => _1;                 // in scope 1 at $DIR/issue_107511.rs:+1:9: +1:16
+          let _2: [i32; 4];                // in scope 1 at $DIR/issue_107511.rs:+2:9: +2:10
+          scope 2 {
+              debug a => _2;               // in scope 2 at $DIR/issue_107511.rs:+2:9: +2:10
+              let mut _8: std::ops::Range<usize>; // in scope 2 at $DIR/issue_107511.rs:+6:14: +6:24
+              scope 3 {
+                  debug iter => _8;        // in scope 3 at $DIR/issue_107511.rs:+6:14: +6:24
+                  let _16: usize;          // in scope 3 at $DIR/issue_107511.rs:+6:9: +6:10
+                  scope 4 {
+                      debug i => _16;      // in scope 4 at $DIR/issue_107511.rs:+6:9: +6:10
+                  }
+              }
+          }
+      }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/issue_107511.rs:+1:9: +1:16
+          _1 = const 0_i32;                // scope 0 at $DIR/issue_107511.rs:+1:19: +1:20
+          StorageLive(_2);                 // scope 1 at $DIR/issue_107511.rs:+2:9: +2:10
+          _2 = [const 0_i32, const 10_i32, const 20_i32, const 30_i32]; // scope 1 at $DIR/issue_107511.rs:+2:13: +2:28
+          StorageLive(_3);                 // scope 2 at $DIR/issue_107511.rs:+6:14: +6:24
+          StorageLive(_4);                 // scope 2 at $DIR/issue_107511.rs:+6:14: +6:24
+          StorageLive(_5);                 // scope 2 at $DIR/issue_107511.rs:+6:17: +6:24
+          StorageLive(_6);                 // scope 2 at $DIR/issue_107511.rs:+6:17: +6:24
+          StorageLive(_7);                 // scope 2 at $DIR/issue_107511.rs:+6:17: +6:24
+          _7 = &_2;                        // scope 2 at $DIR/issue_107511.rs:+6:17: +6:24
+          _6 = move _7 as &[i32] (Pointer(Unsize)); // scope 2 at $DIR/issue_107511.rs:+6:17: +6:24
+          StorageDead(_7);                 // scope 2 at $DIR/issue_107511.rs:+6:17: +6:18
+          _5 = core::slice::<impl [i32]>::len(move _6) -> [return: bb1, unwind unreachable]; // scope 2 at $DIR/issue_107511.rs:+6:17: +6:24
+                                           // mir::Constant
+                                           // + span: $DIR/issue_107511.rs:11:19: 11:22
+                                           // + literal: Const { ty: for<'a> fn(&'a [i32]) -> usize {core::slice::<impl [i32]>::len}, val: Value(<ZST>) }
+      }
+  
+      bb1: {
+          StorageDead(_6);                 // scope 2 at $DIR/issue_107511.rs:+6:23: +6:24
+          _4 = std::ops::Range::<usize> { start: const 0_usize, end: move _5 }; // scope 2 at $DIR/issue_107511.rs:+6:14: +6:24
+          StorageDead(_5);                 // scope 2 at $DIR/issue_107511.rs:+6:23: +6:24
+          _3 = <std::ops::Range<usize> as IntoIterator>::into_iter(move _4) -> [return: bb2, unwind unreachable]; // scope 2 at $DIR/issue_107511.rs:+6:14: +6:24
+                                           // mir::Constant
+                                           // + span: $DIR/issue_107511.rs:11:14: 11:24
+                                           // + literal: Const { ty: fn(std::ops::Range<usize>) -> <std::ops::Range<usize> as IntoIterator>::IntoIter {<std::ops::Range<usize> as IntoIterator>::into_iter}, val: Value(<ZST>) }
+      }
+  
+      bb2: {
+          StorageDead(_4);                 // scope 2 at $DIR/issue_107511.rs:+6:23: +6:24
+          StorageLive(_8);                 // scope 2 at $DIR/issue_107511.rs:+6:14: +6:24
+          _8 = move _3;                    // scope 2 at $DIR/issue_107511.rs:+6:14: +6:24
+          goto -> bb3;                     // scope 3 at $DIR/issue_107511.rs:+6:5: +8:6
+      }
+  
+      bb3: {
+-         StorageLive(_10);                // scope 3 at $DIR/issue_107511.rs:+6:14: +6:24
+          StorageLive(_11);                // scope 3 at $DIR/issue_107511.rs:+6:14: +6:24
+          StorageLive(_12);                // scope 3 at $DIR/issue_107511.rs:+6:14: +6:24
+          StorageLive(_13);                // scope 3 at $DIR/issue_107511.rs:+6:14: +6:24
+          _13 = &mut _8;                   // scope 3 at $DIR/issue_107511.rs:+6:14: +6:24
+          _12 = &mut (*_13);               // scope 3 at $DIR/issue_107511.rs:+6:14: +6:24
+          _11 = <std::ops::Range<usize> as Iterator>::next(move _12) -> [return: bb4, unwind unreachable]; // scope 3 at $DIR/issue_107511.rs:+6:14: +6:24
+                                           // mir::Constant
+                                           // + span: $DIR/issue_107511.rs:11:14: 11:24
+                                           // + literal: Const { ty: for<'a> fn(&'a mut std::ops::Range<usize>) -> Option<<std::ops::Range<usize> as Iterator>::Item> {<std::ops::Range<usize> as Iterator>::next}, val: Value(<ZST>) }
+      }
+  
+      bb4: {
+          StorageDead(_12);                // scope 3 at $DIR/issue_107511.rs:+6:23: +6:24
+          _14 = discriminant(_11);         // scope 3 at $DIR/issue_107511.rs:+6:14: +6:24
+          switchInt(move _14) -> [0: bb7, 1: bb5, otherwise: bb6]; // scope 3 at $DIR/issue_107511.rs:+6:14: +6:24
+      }
+  
+      bb5: {
+-         StorageLive(_16);                // scope 3 at $DIR/issue_107511.rs:+6:9: +6:10
+          _16 = ((_11 as Some).0: usize);  // scope 3 at $DIR/issue_107511.rs:+6:9: +6:10
+          StorageLive(_17);                // scope 4 at $DIR/issue_107511.rs:+7:16: +7:20
+-         StorageLive(_18);                // scope 4 at $DIR/issue_107511.rs:+7:18: +7:19
+-         _18 = _16;                       // scope 4 at $DIR/issue_107511.rs:+7:18: +7:19
+          _19 = Len(_2);                   // scope 4 at $DIR/issue_107511.rs:+7:16: +7:20
+-         _20 = Lt(_18, _19);              // scope 4 at $DIR/issue_107511.rs:+7:16: +7:20
+-         assert(move _20, "index out of bounds: the length is {} but the index is {}", move _19, _18) -> [success: bb8, unwind unreachable]; // scope 4 at $DIR/issue_107511.rs:+7:16: +7:20
++         _20 = Lt(_16, _19);              // scope 4 at $DIR/issue_107511.rs:+7:16: +7:20
++         assert(move _20, "index out of bounds: the length is {} but the index is {}", move _19, _16) -> [success: bb8, unwind unreachable]; // scope 4 at $DIR/issue_107511.rs:+7:16: +7:20
+      }
+  
+      bb6: {
+          unreachable;                     // scope 3 at $DIR/issue_107511.rs:+6:14: +6:24
+      }
+  
+      bb7: {
+          _0 = const ();                   // scope 3 at $DIR/issue_107511.rs:+6:5: +8:6
+          StorageDead(_13);                // scope 3 at $DIR/issue_107511.rs:+8:5: +8:6
+          StorageDead(_11);                // scope 3 at $DIR/issue_107511.rs:+8:5: +8:6
+-         StorageDead(_10);                // scope 3 at $DIR/issue_107511.rs:+8:5: +8:6
+          StorageDead(_8);                 // scope 2 at $DIR/issue_107511.rs:+8:5: +8:6
+          StorageDead(_3);                 // scope 2 at $DIR/issue_107511.rs:+8:5: +8:6
+          StorageDead(_2);                 // scope 1 at $DIR/issue_107511.rs:+9:1: +9:2
+          StorageDead(_1);                 // scope 0 at $DIR/issue_107511.rs:+9:1: +9:2
+          return;                          // scope 0 at $DIR/issue_107511.rs:+9:2: +9:2
+      }
+  
+      bb8: {
+-         _17 = _2[_18];                   // scope 4 at $DIR/issue_107511.rs:+7:16: +7:20
++         _17 = _2[_16];                   // scope 4 at $DIR/issue_107511.rs:+7:16: +7:20
+          _1 = Add(_1, move _17);          // scope 4 at $DIR/issue_107511.rs:+7:9: +7:20
+          StorageDead(_17);                // scope 4 at $DIR/issue_107511.rs:+7:19: +7:20
+-         StorageDead(_18);                // scope 4 at $DIR/issue_107511.rs:+7:20: +7:21
+-         _10 = const ();                  // scope 4 at $DIR/issue_107511.rs:+6:25: +8:6
+-         StorageDead(_16);                // scope 3 at $DIR/issue_107511.rs:+8:5: +8:6
+          StorageDead(_13);                // scope 3 at $DIR/issue_107511.rs:+8:5: +8:6
+          StorageDead(_11);                // scope 3 at $DIR/issue_107511.rs:+8:5: +8:6
+-         StorageDead(_10);                // scope 3 at $DIR/issue_107511.rs:+8:5: +8:6
+-         _9 = const ();                   // scope 3 at $DIR/issue_107511.rs:+6:5: +8:6
+          goto -> bb3;                     // scope 3 at $DIR/issue_107511.rs:+6:5: +8:6
+      }
+  }
+  
diff --git a/tests/mir-opt/copy-prop/issue_107511.main.CopyProp.diff b/tests/mir-opt/copy-prop/issue_107511.main.CopyProp.panic-unwind.diff
index e09ccb83119..e09ccb83119 100644
--- a/tests/mir-opt/copy-prop/issue_107511.main.CopyProp.diff
+++ b/tests/mir-opt/copy-prop/issue_107511.main.CopyProp.panic-unwind.diff
diff --git a/tests/mir-opt/copy-prop/move_arg.f.CopyProp.panic-abort.diff b/tests/mir-opt/copy-prop/move_arg.f.CopyProp.panic-abort.diff
new file mode 100644
index 00000000000..b1ab5b54206
--- /dev/null
+++ b/tests/mir-opt/copy-prop/move_arg.f.CopyProp.panic-abort.diff
@@ -0,0 +1,40 @@
+- // MIR for `f` before CopyProp
++ // MIR for `f` after CopyProp
+  
+  fn f(_1: T) -> () {
+      debug a => _1;                       // in scope 0 at $DIR/move_arg.rs:+0:19: +0:20
+      let mut _0: ();                      // return place in scope 0 at $DIR/move_arg.rs:+0:25: +0:25
+      let _2: T;                           // in scope 0 at $DIR/move_arg.rs:+1:9: +1:10
+      let _3: ();                          // in scope 0 at $DIR/move_arg.rs:+2:5: +2:12
+      let mut _4: T;                       // in scope 0 at $DIR/move_arg.rs:+2:7: +2:8
+      let mut _5: T;                       // in scope 0 at $DIR/move_arg.rs:+2:10: +2:11
+      scope 1 {
+-         debug b => _2;                   // in scope 1 at $DIR/move_arg.rs:+1:9: +1:10
++         debug b => _1;                   // in scope 1 at $DIR/move_arg.rs:+1:9: +1:10
+      }
+  
+      bb0: {
+-         StorageLive(_2);                 // scope 0 at $DIR/move_arg.rs:+1:9: +1:10
+-         _2 = _1;                         // scope 0 at $DIR/move_arg.rs:+1:13: +1:14
+          StorageLive(_3);                 // scope 1 at $DIR/move_arg.rs:+2:5: +2:12
+-         StorageLive(_4);                 // scope 1 at $DIR/move_arg.rs:+2:7: +2:8
+-         _4 = _1;                         // scope 1 at $DIR/move_arg.rs:+2:7: +2:8
+-         StorageLive(_5);                 // scope 1 at $DIR/move_arg.rs:+2:10: +2:11
+-         _5 = _2;                         // scope 1 at $DIR/move_arg.rs:+2:10: +2:11
+-         _3 = g::<T>(move _4, move _5) -> [return: bb1, unwind unreachable]; // scope 1 at $DIR/move_arg.rs:+2:5: +2:12
++         _3 = g::<T>(_1, _1) -> [return: bb1, unwind unreachable]; // scope 1 at $DIR/move_arg.rs:+2:5: +2:12
+                                           // mir::Constant
+                                           // + span: $DIR/move_arg.rs:8:5: 8:6
+                                           // + literal: Const { ty: fn(T, T) {g::<T>}, val: Value(<ZST>) }
+      }
+  
+      bb1: {
+-         StorageDead(_5);                 // scope 1 at $DIR/move_arg.rs:+2:11: +2:12
+-         StorageDead(_4);                 // scope 1 at $DIR/move_arg.rs:+2:11: +2:12
+          StorageDead(_3);                 // scope 1 at $DIR/move_arg.rs:+2:12: +2:13
+          _0 = const ();                   // scope 0 at $DIR/move_arg.rs:+0:25: +3:2
+-         StorageDead(_2);                 // scope 0 at $DIR/move_arg.rs:+3:1: +3:2
+          return;                          // scope 0 at $DIR/move_arg.rs:+3:2: +3:2
+      }
+  }
+  
diff --git a/tests/mir-opt/copy-prop/move_arg.f.CopyProp.diff b/tests/mir-opt/copy-prop/move_arg.f.CopyProp.panic-unwind.diff
index 650bd66a7d7..650bd66a7d7 100644
--- a/tests/mir-opt/copy-prop/move_arg.f.CopyProp.diff
+++ b/tests/mir-opt/copy-prop/move_arg.f.CopyProp.panic-unwind.diff
diff --git a/tests/mir-opt/copy-prop/move_projection.f.CopyProp.panic-abort.diff b/tests/mir-opt/copy-prop/move_projection.f.CopyProp.panic-abort.diff
new file mode 100644
index 00000000000..0871f64efed
--- /dev/null
+++ b/tests/mir-opt/copy-prop/move_projection.f.CopyProp.panic-abort.diff
@@ -0,0 +1,31 @@
+- // MIR for `f` before CopyProp
++ // MIR for `f` after CopyProp
+  
+  fn f(_1: Foo) -> bool {
+      let mut _0: bool;                    // return place in scope 0 at $DIR/move_projection.rs:+0:17: +0:21
+      let mut _2: Foo;                     // in scope 0 at $SRC_DIR/core/src/intrinsics/mir.rs:LL:COL
+      let mut _3: u8;                      // in scope 0 at $SRC_DIR/core/src/intrinsics/mir.rs:LL:COL
+  
+      bb0: {
+-         _2 = _1;                         // scope 0 at $SRC_DIR/core/src/intrinsics/mir.rs:LL:COL
+-         _3 = move (_2.0: u8);            // scope 0 at $SRC_DIR/core/src/intrinsics/mir.rs:LL:COL
+-         _0 = opaque::<Foo>(move _1) -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/move_projection.rs:+6:13: +6:44
++         _3 = (_1.0: u8);                 // scope 0 at $SRC_DIR/core/src/intrinsics/mir.rs:LL:COL
++         _0 = opaque::<Foo>(_1) -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/move_projection.rs:+6:13: +6:44
+                                           // mir::Constant
+                                           // + span: $DIR/move_projection.rs:20:28: 20:34
+                                           // + literal: Const { ty: fn(Foo) -> bool {opaque::<Foo>}, val: Value(<ZST>) }
+      }
+  
+      bb1: {
+          _0 = opaque::<u8>(move _3) -> [return: bb2, unwind unreachable]; // scope 0 at $DIR/move_projection.rs:+9:13: +9:44
+                                           // mir::Constant
+                                           // + span: $DIR/move_projection.rs:23:28: 23:34
+                                           // + literal: Const { ty: fn(u8) -> bool {opaque::<u8>}, val: Value(<ZST>) }
+      }
+  
+      bb2: {
+          return;                          // scope 0 at $DIR/move_projection.rs:+12:13: +12:21
+      }
+  }
+  
diff --git a/tests/mir-opt/copy-prop/move_projection.f.CopyProp.diff b/tests/mir-opt/copy-prop/move_projection.f.CopyProp.panic-unwind.diff
index beb85d68a66..beb85d68a66 100644
--- a/tests/mir-opt/copy-prop/move_projection.f.CopyProp.diff
+++ b/tests/mir-opt/copy-prop/move_projection.f.CopyProp.panic-unwind.diff
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
new file mode 100644
index 00000000000..f4d8e4ed67d
--- /dev/null
+++ b/tests/mir-opt/copy-prop/reborrow.demiraw.CopyProp.panic-abort.diff
@@ -0,0 +1,56 @@
+- // MIR for `demiraw` before CopyProp
++ // MIR for `demiraw` after CopyProp
+  
+  fn demiraw(_1: u8) -> () {
+      debug x => _1;                       // in scope 0 at $DIR/reborrow.rs:+0:12: +0:17
+      let mut _0: ();                      // return place in scope 0 at $DIR/reborrow.rs:+0:23: +0:23
+      let _2: *mut u8;                     // in scope 0 at $DIR/reborrow.rs:+1:9: +1:10
+      let mut _4: &mut u8;                 // in scope 0 at $DIR/reborrow.rs:+2:22: +2:29
+      let _6: ();                          // in scope 0 at $DIR/reborrow.rs:+4:5: +4:14
+      let mut _7: *mut u8;                 // in scope 0 at $DIR/reborrow.rs:+4:12: +4:13
+      scope 1 {
+          debug a => _2;                   // in scope 1 at $DIR/reborrow.rs:+1:9: +1:10
+          let _3: &mut u8;                 // in scope 1 at $DIR/reborrow.rs:+2:9: +2:10
+          scope 2 {
+              debug b => _3;               // in scope 2 at $DIR/reborrow.rs:+2:9: +2:10
+              let _5: *mut u8;             // in scope 2 at $DIR/reborrow.rs:+3:9: +3:10
+              scope 4 {
+-                 debug c => _5;           // in scope 4 at $DIR/reborrow.rs:+3:9: +3:10
++                 debug c => _2;           // in scope 4 at $DIR/reborrow.rs:+3:9: +3:10
+              }
+          }
+          scope 3 {
+          }
+      }
+  
+      bb0: {
+-         StorageLive(_2);                 // scope 0 at $DIR/reborrow.rs:+1:9: +1:10
+          _2 = &raw mut _1;                // scope 0 at $DIR/reborrow.rs:+1:13: +1:23
+          StorageLive(_3);                 // scope 1 at $DIR/reborrow.rs:+2:9: +2:10
+          StorageLive(_4);                 // scope 1 at $DIR/reborrow.rs:+2:22: +2:29
+          _4 = &mut (*_2);                 // scope 3 at $DIR/reborrow.rs:+2:22: +2:29
+          _3 = &mut (*_4);                 // scope 1 at $DIR/reborrow.rs:+2:22: +2:29
+          StorageDead(_4);                 // scope 1 at $DIR/reborrow.rs:+2:31: +2:32
+-         StorageLive(_5);                 // scope 2 at $DIR/reborrow.rs:+3:9: +3:10
+-         _5 = _2;                         // scope 2 at $DIR/reborrow.rs:+3:13: +3:14
+          StorageLive(_6);                 // scope 4 at $DIR/reborrow.rs:+4:5: +4:14
+-         StorageLive(_7);                 // scope 4 at $DIR/reborrow.rs:+4:12: +4:13
+-         _7 = _5;                         // scope 4 at $DIR/reborrow.rs:+4:12: +4:13
+-         _6 = opaque::<*mut u8>(move _7) -> [return: bb1, unwind unreachable]; // scope 4 at $DIR/reborrow.rs:+4:5: +4:14
++         _6 = opaque::<*mut u8>(_2) -> [return: bb1, unwind unreachable]; // scope 4 at $DIR/reborrow.rs:+4:5: +4:14
+                                           // mir::Constant
+                                           // + span: $DIR/reborrow.rs:39:5: 39:11
+                                           // + literal: Const { ty: fn(*mut u8) {opaque::<*mut u8>}, val: Value(<ZST>) }
+      }
+  
+      bb1: {
+-         StorageDead(_7);                 // scope 4 at $DIR/reborrow.rs:+4:13: +4:14
+          StorageDead(_6);                 // scope 4 at $DIR/reborrow.rs:+4:14: +4:15
+          _0 = const ();                   // scope 0 at $DIR/reborrow.rs:+0:23: +5:2
+-         StorageDead(_5);                 // scope 2 at $DIR/reborrow.rs:+5:1: +5:2
+          StorageDead(_3);                 // scope 1 at $DIR/reborrow.rs:+5:1: +5:2
+-         StorageDead(_2);                 // scope 0 at $DIR/reborrow.rs:+5:1: +5:2
+          return;                          // scope 0 at $DIR/reborrow.rs:+5:2: +5:2
+      }
+  }
+  
diff --git a/tests/mir-opt/copy-prop/reborrow.demiraw.CopyProp.diff b/tests/mir-opt/copy-prop/reborrow.demiraw.CopyProp.panic-unwind.diff
index b4a24824566..b4a24824566 100644
--- a/tests/mir-opt/copy-prop/reborrow.demiraw.CopyProp.diff
+++ b/tests/mir-opt/copy-prop/reborrow.demiraw.CopyProp.panic-unwind.diff
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
new file mode 100644
index 00000000000..3f34ec1600d
--- /dev/null
+++ b/tests/mir-opt/copy-prop/reborrow.miraw.CopyProp.panic-abort.diff
@@ -0,0 +1,52 @@
+- // MIR for `miraw` before CopyProp
++ // MIR for `miraw` after CopyProp
+  
+  fn miraw(_1: u8) -> () {
+      debug x => _1;                       // in scope 0 at $DIR/reborrow.rs:+0:10: +0:15
+      let mut _0: ();                      // return place in scope 0 at $DIR/reborrow.rs:+0:21: +0:21
+      let _2: *mut u8;                     // in scope 0 at $DIR/reborrow.rs:+1:9: +1:10
+      let _5: ();                          // in scope 0 at $DIR/reborrow.rs:+4:5: +4:14
+      let mut _6: *mut u8;                 // in scope 0 at $DIR/reborrow.rs:+4:12: +4:13
+      scope 1 {
+          debug a => _2;                   // in scope 1 at $DIR/reborrow.rs:+1:9: +1:10
+          let _3: *mut u8;                 // in scope 1 at $DIR/reborrow.rs:+2:9: +2:10
+          scope 2 {
+              debug b => _3;               // in scope 2 at $DIR/reborrow.rs:+2:9: +2:10
+              let _4: *mut u8;             // in scope 2 at $DIR/reborrow.rs:+3:9: +3:10
+              scope 4 {
+-                 debug c => _4;           // in scope 4 at $DIR/reborrow.rs:+3:9: +3:10
++                 debug c => _2;           // in scope 4 at $DIR/reborrow.rs:+3:9: +3:10
+              }
+          }
+          scope 3 {
+          }
+      }
+  
+      bb0: {
+-         StorageLive(_2);                 // scope 0 at $DIR/reborrow.rs:+1:9: +1:10
+          _2 = &raw mut _1;                // scope 0 at $DIR/reborrow.rs:+1:13: +1:23
+          StorageLive(_3);                 // scope 1 at $DIR/reborrow.rs:+2:9: +2:10
+          _3 = &raw mut (*_2);             // scope 3 at $DIR/reborrow.rs:+2:22: +2:33
+-         StorageLive(_4);                 // scope 2 at $DIR/reborrow.rs:+3:9: +3:10
+-         _4 = _2;                         // scope 2 at $DIR/reborrow.rs:+3:13: +3:14
+          StorageLive(_5);                 // scope 4 at $DIR/reborrow.rs:+4:5: +4:14
+-         StorageLive(_6);                 // scope 4 at $DIR/reborrow.rs:+4:12: +4:13
+-         _6 = _4;                         // scope 4 at $DIR/reborrow.rs:+4:12: +4:13
+-         _5 = opaque::<*mut u8>(move _6) -> [return: bb1, unwind unreachable]; // scope 4 at $DIR/reborrow.rs:+4:5: +4:14
++         _5 = opaque::<*mut u8>(_2) -> [return: bb1, unwind unreachable]; // scope 4 at $DIR/reborrow.rs:+4:5: +4:14
+                                           // mir::Constant
+                                           // + span: $DIR/reborrow.rs:31:5: 31:11
+                                           // + literal: Const { ty: fn(*mut u8) {opaque::<*mut u8>}, val: Value(<ZST>) }
+      }
+  
+      bb1: {
+-         StorageDead(_6);                 // scope 4 at $DIR/reborrow.rs:+4:13: +4:14
+          StorageDead(_5);                 // scope 4 at $DIR/reborrow.rs:+4:14: +4:15
+          _0 = const ();                   // scope 0 at $DIR/reborrow.rs:+0:21: +5:2
+-         StorageDead(_4);                 // scope 2 at $DIR/reborrow.rs:+5:1: +5:2
+          StorageDead(_3);                 // scope 1 at $DIR/reborrow.rs:+5:1: +5:2
+-         StorageDead(_2);                 // scope 0 at $DIR/reborrow.rs:+5:1: +5:2
+          return;                          // scope 0 at $DIR/reborrow.rs:+5:2: +5:2
+      }
+  }
+  
diff --git a/tests/mir-opt/copy-prop/reborrow.miraw.CopyProp.diff b/tests/mir-opt/copy-prop/reborrow.miraw.CopyProp.panic-unwind.diff
index a6a6c05b24a..a6a6c05b24a 100644
--- a/tests/mir-opt/copy-prop/reborrow.miraw.CopyProp.diff
+++ b/tests/mir-opt/copy-prop/reborrow.miraw.CopyProp.panic-unwind.diff
diff --git a/tests/mir-opt/copy-prop/reborrow.remut.CopyProp.panic-abort.diff b/tests/mir-opt/copy-prop/reborrow.remut.CopyProp.panic-abort.diff
new file mode 100644
index 00000000000..59f87b5b911
--- /dev/null
+++ b/tests/mir-opt/copy-prop/reborrow.remut.CopyProp.panic-abort.diff
@@ -0,0 +1,50 @@
+- // MIR for `remut` before CopyProp
++ // MIR for `remut` after CopyProp
+  
+  fn remut(_1: u8) -> () {
+      debug x => _1;                       // in scope 0 at $DIR/reborrow.rs:+0:10: +0:15
+      let mut _0: ();                      // return place in scope 0 at $DIR/reborrow.rs:+0:21: +0:21
+      let _2: &mut u8;                     // in scope 0 at $DIR/reborrow.rs:+1:9: +1:10
+      let _5: ();                          // in scope 0 at $DIR/reborrow.rs:+4:5: +4:14
+      let mut _6: &mut u8;                 // in scope 0 at $DIR/reborrow.rs:+4:12: +4:13
+      scope 1 {
+          debug a => _2;                   // in scope 1 at $DIR/reborrow.rs:+1:9: +1:10
+          let _3: &mut u8;                 // in scope 1 at $DIR/reborrow.rs:+2:9: +2:10
+          scope 2 {
+              debug b => _3;               // in scope 2 at $DIR/reborrow.rs:+2:9: +2:10
+              let _4: &mut u8;             // in scope 2 at $DIR/reborrow.rs:+3:9: +3:10
+              scope 3 {
+-                 debug c => _4;           // in scope 3 at $DIR/reborrow.rs:+3:9: +3:10
++                 debug c => _2;           // in scope 3 at $DIR/reborrow.rs:+3:9: +3:10
+              }
+          }
+      }
+  
+      bb0: {
+-         StorageLive(_2);                 // scope 0 at $DIR/reborrow.rs:+1:9: +1:10
+          _2 = &mut _1;                    // scope 0 at $DIR/reborrow.rs:+1:13: +1:19
+          StorageLive(_3);                 // scope 1 at $DIR/reborrow.rs:+2:9: +2:10
+          _3 = &mut (*_2);                 // scope 1 at $DIR/reborrow.rs:+2:13: +2:20
+-         StorageLive(_4);                 // scope 2 at $DIR/reborrow.rs:+3:9: +3:10
+-         _4 = move _2;                    // scope 2 at $DIR/reborrow.rs:+3:13: +3:14
+          StorageLive(_5);                 // scope 3 at $DIR/reborrow.rs:+4:5: +4:14
+-         StorageLive(_6);                 // scope 3 at $DIR/reborrow.rs:+4:12: +4:13
+-         _6 = move _4;                    // scope 3 at $DIR/reborrow.rs:+4:12: +4:13
+-         _5 = opaque::<&mut u8>(move _6) -> [return: bb1, unwind unreachable]; // scope 3 at $DIR/reborrow.rs:+4:5: +4:14
++         _5 = opaque::<&mut u8>(move _2) -> [return: bb1, unwind unreachable]; // scope 3 at $DIR/reborrow.rs:+4:5: +4:14
+                                           // mir::Constant
+                                           // + span: $DIR/reborrow.rs:15:5: 15:11
+                                           // + literal: Const { ty: fn(&mut u8) {opaque::<&mut u8>}, val: Value(<ZST>) }
+      }
+  
+      bb1: {
+-         StorageDead(_6);                 // scope 3 at $DIR/reborrow.rs:+4:13: +4:14
+          StorageDead(_5);                 // scope 3 at $DIR/reborrow.rs:+4:14: +4:15
+          _0 = const ();                   // scope 0 at $DIR/reborrow.rs:+0:21: +5:2
+-         StorageDead(_4);                 // scope 2 at $DIR/reborrow.rs:+5:1: +5:2
+          StorageDead(_3);                 // scope 1 at $DIR/reborrow.rs:+5:1: +5:2
+-         StorageDead(_2);                 // scope 0 at $DIR/reborrow.rs:+5:1: +5:2
+          return;                          // scope 0 at $DIR/reborrow.rs:+5:2: +5:2
+      }
+  }
+  
diff --git a/tests/mir-opt/copy-prop/reborrow.remut.CopyProp.diff b/tests/mir-opt/copy-prop/reborrow.remut.CopyProp.panic-unwind.diff
index f3d26cc6e2b..f3d26cc6e2b 100644
--- a/tests/mir-opt/copy-prop/reborrow.remut.CopyProp.diff
+++ b/tests/mir-opt/copy-prop/reborrow.remut.CopyProp.panic-unwind.diff
diff --git a/tests/mir-opt/copy-prop/reborrow.reraw.CopyProp.panic-abort.diff b/tests/mir-opt/copy-prop/reborrow.reraw.CopyProp.panic-abort.diff
new file mode 100644
index 00000000000..08bb6d8b22b
--- /dev/null
+++ b/tests/mir-opt/copy-prop/reborrow.reraw.CopyProp.panic-abort.diff
@@ -0,0 +1,50 @@
+- // MIR for `reraw` before CopyProp
++ // MIR for `reraw` after CopyProp
+  
+  fn reraw(_1: u8) -> () {
+      debug x => _1;                       // in scope 0 at $DIR/reborrow.rs:+0:10: +0:15
+      let mut _0: ();                      // return place in scope 0 at $DIR/reborrow.rs:+0:21: +0:21
+      let _2: &mut u8;                     // in scope 0 at $DIR/reborrow.rs:+1:9: +1:10
+      let _5: ();                          // in scope 0 at $DIR/reborrow.rs:+4:5: +4:14
+      let mut _6: &mut u8;                 // in scope 0 at $DIR/reborrow.rs:+4:12: +4:13
+      scope 1 {
+          debug a => _2;                   // in scope 1 at $DIR/reborrow.rs:+1:9: +1:10
+          let _3: *mut u8;                 // in scope 1 at $DIR/reborrow.rs:+2:9: +2:10
+          scope 2 {
+              debug b => _3;               // in scope 2 at $DIR/reborrow.rs:+2:9: +2:10
+              let _4: &mut u8;             // in scope 2 at $DIR/reborrow.rs:+3:9: +3:10
+              scope 3 {
+-                 debug c => _4;           // in scope 3 at $DIR/reborrow.rs:+3:9: +3:10
++                 debug c => _2;           // in scope 3 at $DIR/reborrow.rs:+3:9: +3:10
+              }
+          }
+      }
+  
+      bb0: {
+-         StorageLive(_2);                 // scope 0 at $DIR/reborrow.rs:+1:9: +1:10
+          _2 = &mut _1;                    // scope 0 at $DIR/reborrow.rs:+1:13: +1:19
+          StorageLive(_3);                 // scope 1 at $DIR/reborrow.rs:+2:9: +2:10
+          _3 = &raw mut (*_2);             // scope 1 at $DIR/reborrow.rs:+2:13: +2:24
+-         StorageLive(_4);                 // scope 2 at $DIR/reborrow.rs:+3:9: +3:10
+-         _4 = move _2;                    // scope 2 at $DIR/reborrow.rs:+3:13: +3:14
+          StorageLive(_5);                 // scope 3 at $DIR/reborrow.rs:+4:5: +4:14
+-         StorageLive(_6);                 // scope 3 at $DIR/reborrow.rs:+4:12: +4:13
+-         _6 = move _4;                    // scope 3 at $DIR/reborrow.rs:+4:12: +4:13
+-         _5 = opaque::<&mut u8>(move _6) -> [return: bb1, unwind unreachable]; // scope 3 at $DIR/reborrow.rs:+4:5: +4:14
++         _5 = opaque::<&mut u8>(move _2) -> [return: bb1, unwind unreachable]; // scope 3 at $DIR/reborrow.rs:+4:5: +4:14
+                                           // mir::Constant
+                                           // + span: $DIR/reborrow.rs:23:5: 23:11
+                                           // + literal: Const { ty: fn(&mut u8) {opaque::<&mut u8>}, val: Value(<ZST>) }
+      }
+  
+      bb1: {
+-         StorageDead(_6);                 // scope 3 at $DIR/reborrow.rs:+4:13: +4:14
+          StorageDead(_5);                 // scope 3 at $DIR/reborrow.rs:+4:14: +4:15
+          _0 = const ();                   // scope 0 at $DIR/reborrow.rs:+0:21: +5:2
+-         StorageDead(_4);                 // scope 2 at $DIR/reborrow.rs:+5:1: +5:2
+          StorageDead(_3);                 // scope 1 at $DIR/reborrow.rs:+5:1: +5:2
+-         StorageDead(_2);                 // scope 0 at $DIR/reborrow.rs:+5:1: +5:2
+          return;                          // scope 0 at $DIR/reborrow.rs:+5:2: +5:2
+      }
+  }
+  
diff --git a/tests/mir-opt/copy-prop/reborrow.reraw.CopyProp.diff b/tests/mir-opt/copy-prop/reborrow.reraw.CopyProp.panic-unwind.diff
index 63e42b4dc77..63e42b4dc77 100644
--- a/tests/mir-opt/copy-prop/reborrow.reraw.CopyProp.diff
+++ b/tests/mir-opt/copy-prop/reborrow.reraw.CopyProp.panic-unwind.diff
diff --git a/tests/mir-opt/dataflow-const-prop/checked.main.DataflowConstProp.panic-abort.diff b/tests/mir-opt/dataflow-const-prop/checked.main.DataflowConstProp.panic-abort.diff
new file mode 100644
index 00000000000..be96743c362
--- /dev/null
+++ b/tests/mir-opt/dataflow-const-prop/checked.main.DataflowConstProp.panic-abort.diff
@@ -0,0 +1,80 @@
+- // MIR for `main` before DataflowConstProp
++ // MIR for `main` after DataflowConstProp
+  
+  fn main() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/checked.rs:+0:11: +0:11
+      let _1: i32;                         // in scope 0 at $DIR/checked.rs:+1:9: +1:10
+      let mut _4: i32;                     // in scope 0 at $DIR/checked.rs:+3:13: +3:14
+      let mut _5: i32;                     // in scope 0 at $DIR/checked.rs:+3:17: +3:18
+      let mut _6: (i32, bool);             // in scope 0 at $DIR/checked.rs:+3:13: +3:18
+      let mut _9: i32;                     // in scope 0 at $DIR/checked.rs:+6:13: +6:14
+      let mut _10: (i32, bool);            // in scope 0 at $DIR/checked.rs:+6:13: +6:18
+      scope 1 {
+          debug a => _1;                   // in scope 1 at $DIR/checked.rs:+1:9: +1:10
+          let _2: i32;                     // in scope 1 at $DIR/checked.rs:+2:9: +2:10
+          scope 2 {
+              debug b => _2;               // in scope 2 at $DIR/checked.rs:+2:9: +2:10
+              let _3: i32;                 // in scope 2 at $DIR/checked.rs:+3:9: +3:10
+              scope 3 {
+                  debug c => _3;           // in scope 3 at $DIR/checked.rs:+3:9: +3:10
+                  let _7: i32;             // in scope 3 at $DIR/checked.rs:+5:9: +5:10
+                  scope 4 {
+                      debug d => _7;       // in scope 4 at $DIR/checked.rs:+5:9: +5:10
+                      let _8: i32;         // in scope 4 at $DIR/checked.rs:+6:9: +6:10
+                      scope 5 {
+                          debug e => _8;   // in scope 5 at $DIR/checked.rs:+6:9: +6:10
+                      }
+                  }
+              }
+          }
+      }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/checked.rs:+1:9: +1:10
+          _1 = const 1_i32;                // scope 0 at $DIR/checked.rs:+1:13: +1:14
+          StorageLive(_2);                 // scope 1 at $DIR/checked.rs:+2:9: +2:10
+          _2 = const 2_i32;                // scope 1 at $DIR/checked.rs:+2:13: +2:14
+          StorageLive(_3);                 // scope 2 at $DIR/checked.rs:+3:9: +3:10
+          StorageLive(_4);                 // scope 2 at $DIR/checked.rs:+3:13: +3:14
+-         _4 = _1;                         // scope 2 at $DIR/checked.rs:+3:13: +3:14
++         _4 = const 1_i32;                // scope 2 at $DIR/checked.rs:+3:13: +3:14
+          StorageLive(_5);                 // scope 2 at $DIR/checked.rs:+3:17: +3:18
+-         _5 = _2;                         // scope 2 at $DIR/checked.rs:+3:17: +3:18
+-         _6 = CheckedAdd(_4, _5);         // scope 2 at $DIR/checked.rs:+3:13: +3:18
+-         assert(!move (_6.1: bool), "attempt to compute `{} + {}`, which would overflow", move _4, move _5) -> [success: bb1, unwind unreachable]; // scope 2 at $DIR/checked.rs:+3:13: +3:18
++         _5 = const 2_i32;                // scope 2 at $DIR/checked.rs:+3:17: +3:18
++         _6 = CheckedAdd(const 1_i32, const 2_i32); // scope 2 at $DIR/checked.rs:+3:13: +3:18
++         assert(!const false, "attempt to compute `{} + {}`, which would overflow", const 1_i32, const 2_i32) -> [success: bb1, unwind unreachable]; // scope 2 at $DIR/checked.rs:+3:13: +3:18
+      }
+  
+      bb1: {
+-         _3 = move (_6.0: i32);           // scope 2 at $DIR/checked.rs:+3:13: +3:18
++         _3 = const 3_i32;                // scope 2 at $DIR/checked.rs:+3:13: +3:18
+          StorageDead(_5);                 // scope 2 at $DIR/checked.rs:+3:17: +3:18
+          StorageDead(_4);                 // scope 2 at $DIR/checked.rs:+3:17: +3:18
+          StorageLive(_7);                 // scope 3 at $DIR/checked.rs:+5:9: +5:10
+          _7 = const _;                    // scope 3 at $DIR/checked.rs:+5:13: +5:21
+          StorageLive(_8);                 // scope 4 at $DIR/checked.rs:+6:9: +6:10
+          StorageLive(_9);                 // scope 4 at $DIR/checked.rs:+6:13: +6:14
+-         _9 = _7;                         // scope 4 at $DIR/checked.rs:+6:13: +6:14
+-         _10 = CheckedAdd(_9, const 1_i32); // scope 4 at $DIR/checked.rs:+6:13: +6:18
+-         assert(!move (_10.1: bool), "attempt to compute `{} + {}`, which would overflow", move _9, const 1_i32) -> [success: bb2, unwind unreachable]; // scope 4 at $DIR/checked.rs:+6:13: +6:18
++         _9 = const i32::MAX;             // scope 4 at $DIR/checked.rs:+6:13: +6:14
++         _10 = CheckedAdd(const i32::MAX, const 1_i32); // scope 4 at $DIR/checked.rs:+6:13: +6:18
++         assert(!const true, "attempt to compute `{} + {}`, which would overflow", const i32::MAX, const 1_i32) -> [success: bb2, unwind unreachable]; // scope 4 at $DIR/checked.rs:+6:13: +6:18
+      }
+  
+      bb2: {
+-         _8 = move (_10.0: i32);          // scope 4 at $DIR/checked.rs:+6:13: +6:18
++         _8 = const i32::MIN;             // scope 4 at $DIR/checked.rs:+6:13: +6:18
+          StorageDead(_9);                 // scope 4 at $DIR/checked.rs:+6:17: +6:18
+          _0 = const ();                   // scope 0 at $DIR/checked.rs:+0:11: +7:2
+          StorageDead(_8);                 // scope 4 at $DIR/checked.rs:+7:1: +7:2
+          StorageDead(_7);                 // scope 3 at $DIR/checked.rs:+7:1: +7:2
+          StorageDead(_3);                 // scope 2 at $DIR/checked.rs:+7:1: +7:2
+          StorageDead(_2);                 // scope 1 at $DIR/checked.rs:+7:1: +7:2
+          StorageDead(_1);                 // scope 0 at $DIR/checked.rs:+7:1: +7:2
+          return;                          // scope 0 at $DIR/checked.rs:+7:2: +7:2
+      }
+  }
+  
diff --git a/tests/mir-opt/dataflow-const-prop/checked.main.DataflowConstProp.diff b/tests/mir-opt/dataflow-const-prop/checked.main.DataflowConstProp.panic-unwind.diff
index 944afed8f46..944afed8f46 100644
--- a/tests/mir-opt/dataflow-const-prop/checked.main.DataflowConstProp.diff
+++ b/tests/mir-opt/dataflow-const-prop/checked.main.DataflowConstProp.panic-unwind.diff
diff --git a/tests/mir-opt/dataflow-const-prop/inherit_overflow.main.DataflowConstProp.panic-abort.diff b/tests/mir-opt/dataflow-const-prop/inherit_overflow.main.DataflowConstProp.panic-abort.diff
new file mode 100644
index 00000000000..ff95cba98ad
--- /dev/null
+++ b/tests/mir-opt/dataflow-const-prop/inherit_overflow.main.DataflowConstProp.panic-abort.diff
@@ -0,0 +1,39 @@
+- // MIR for `main` before DataflowConstProp
++ // MIR for `main` after DataflowConstProp
+  
+  fn main() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/inherit_overflow.rs:+0:11: +0:11
+      let mut _1: u8;                      // in scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47
+      let mut _2: u8;                      // in scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47
+      let mut _3: u8;                      // in scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47
+      scope 1 {
+      }
+      scope 2 (inlined <u8 as Add>::add) { // at $DIR/inherit_overflow.rs:9:13: 9:47
+          debug self => _2;                // in scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL
+          debug other => _3;               // in scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL
+          let mut _4: (u8, bool);          // in scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL
+      }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47
+          StorageLive(_2);                 // scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47
+          _2 = const u8::MAX;              // scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47
+          StorageLive(_3);                 // scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47
+          _3 = const 1_u8;                 // scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47
+-         _4 = CheckedAdd(_2, _3);         // scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL
+-         assert(!move (_4.1: bool), "attempt to compute `{} + {}`, which would overflow", _2, _3) -> [success: bb1, unwind unreachable]; // scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL
++         _4 = CheckedAdd(const u8::MAX, const 1_u8); // scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL
++         assert(!const true, "attempt to compute `{} + {}`, which would overflow", const u8::MAX, const 1_u8) -> [success: bb1, unwind unreachable]; // scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL
+      }
+  
+      bb1: {
+-         _1 = move (_4.0: u8);            // scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL
++         _1 = const 0_u8;                 // scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL
+          StorageDead(_3);                 // scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47
+          StorageDead(_2);                 // scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47
+          StorageDead(_1);                 // scope 0 at $DIR/inherit_overflow.rs:+3:47: +3:48
+          _0 = const ();                   // scope 0 at $DIR/inherit_overflow.rs:+0:11: +4:2
+          return;                          // scope 0 at $DIR/inherit_overflow.rs:+4:2: +4:2
+      }
+  }
+  
diff --git a/tests/mir-opt/dataflow-const-prop/inherit_overflow.main.DataflowConstProp.diff b/tests/mir-opt/dataflow-const-prop/inherit_overflow.main.DataflowConstProp.panic-unwind.diff
index 1edcc28e68c..1edcc28e68c 100644
--- a/tests/mir-opt/dataflow-const-prop/inherit_overflow.main.DataflowConstProp.diff
+++ b/tests/mir-opt/dataflow-const-prop/inherit_overflow.main.DataflowConstProp.panic-unwind.diff
diff --git a/tests/mir-opt/dataflow-const-prop/ref_without_sb.main.DataflowConstProp.panic-abort.diff b/tests/mir-opt/dataflow-const-prop/ref_without_sb.main.DataflowConstProp.panic-abort.diff
new file mode 100644
index 00000000000..7a9ab39e0e5
--- /dev/null
+++ b/tests/mir-opt/dataflow-const-prop/ref_without_sb.main.DataflowConstProp.panic-abort.diff
@@ -0,0 +1,55 @@
+- // MIR for `main` before DataflowConstProp
++ // MIR for `main` after DataflowConstProp
+  
+  fn main() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/ref_without_sb.rs:+0:11: +0:11
+      let mut _1: i32;                     // in scope 0 at $DIR/ref_without_sb.rs:+1:9: +1:14
+      let _2: ();                          // in scope 0 at $DIR/ref_without_sb.rs:+2:5: +2:15
+      let mut _3: &i32;                    // in scope 0 at $DIR/ref_without_sb.rs:+2:12: +2:14
+      let _4: &i32;                        // in scope 0 at $DIR/ref_without_sb.rs:+2:12: +2:14
+      let _5: ();                          // in scope 0 at $DIR/ref_without_sb.rs:+4:5: +4:20
+      scope 1 {
+          debug a => _1;                   // in scope 1 at $DIR/ref_without_sb.rs:+1:9: +1:14
+          let _6: i32;                     // in scope 1 at $DIR/ref_without_sb.rs:+6:9: +6:10
+          scope 2 {
+              debug b => _6;               // in scope 2 at $DIR/ref_without_sb.rs:+6:9: +6:10
+          }
+      }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/ref_without_sb.rs:+1:9: +1:14
+          _1 = const 0_i32;                // scope 0 at $DIR/ref_without_sb.rs:+1:17: +1:18
+          StorageLive(_2);                 // scope 1 at $DIR/ref_without_sb.rs:+2:5: +2:15
+          StorageLive(_3);                 // scope 1 at $DIR/ref_without_sb.rs:+2:12: +2:14
+          StorageLive(_4);                 // scope 1 at $DIR/ref_without_sb.rs:+2:12: +2:14
+          _4 = &_1;                        // scope 1 at $DIR/ref_without_sb.rs:+2:12: +2:14
+          _3 = &(*_4);                     // scope 1 at $DIR/ref_without_sb.rs:+2:12: +2:14
+          _2 = escape::<i32>(move _3) -> [return: bb1, unwind unreachable]; // scope 1 at $DIR/ref_without_sb.rs:+2:5: +2:15
+                                           // mir::Constant
+                                           // + span: $DIR/ref_without_sb.rs:13:5: 13:11
+                                           // + literal: Const { ty: for<'a> fn(&'a i32) {escape::<i32>}, val: Value(<ZST>) }
+      }
+  
+      bb1: {
+          StorageDead(_3);                 // scope 1 at $DIR/ref_without_sb.rs:+2:14: +2:15
+          StorageDead(_4);                 // scope 1 at $DIR/ref_without_sb.rs:+2:15: +2:16
+          StorageDead(_2);                 // scope 1 at $DIR/ref_without_sb.rs:+2:15: +2:16
+          _1 = const 1_i32;                // scope 1 at $DIR/ref_without_sb.rs:+3:5: +3:10
+          StorageLive(_5);                 // scope 1 at $DIR/ref_without_sb.rs:+4:5: +4:20
+          _5 = some_function() -> [return: bb2, unwind unreachable]; // scope 1 at $DIR/ref_without_sb.rs:+4:5: +4:20
+                                           // mir::Constant
+                                           // + span: $DIR/ref_without_sb.rs:15:5: 15:18
+                                           // + literal: Const { ty: fn() {some_function}, val: Value(<ZST>) }
+      }
+  
+      bb2: {
+          StorageDead(_5);                 // scope 1 at $DIR/ref_without_sb.rs:+4:20: +4:21
+          StorageLive(_6);                 // scope 1 at $DIR/ref_without_sb.rs:+6:9: +6:10
+          _6 = _1;                         // scope 1 at $DIR/ref_without_sb.rs:+6:13: +6:14
+          _0 = const ();                   // scope 0 at $DIR/ref_without_sb.rs:+0:11: +7:2
+          StorageDead(_6);                 // scope 1 at $DIR/ref_without_sb.rs:+7:1: +7:2
+          StorageDead(_1);                 // scope 0 at $DIR/ref_without_sb.rs:+7:1: +7:2
+          return;                          // scope 0 at $DIR/ref_without_sb.rs:+7:2: +7:2
+      }
+  }
+  
diff --git a/tests/mir-opt/dataflow-const-prop/ref_without_sb.main.DataflowConstProp.diff b/tests/mir-opt/dataflow-const-prop/ref_without_sb.main.DataflowConstProp.panic-unwind.diff
index 70ef17afd65..70ef17afd65 100644
--- a/tests/mir-opt/dataflow-const-prop/ref_without_sb.main.DataflowConstProp.diff
+++ b/tests/mir-opt/dataflow-const-prop/ref_without_sb.main.DataflowConstProp.panic-unwind.diff
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
new file mode 100644
index 00000000000..ee857e716e2
--- /dev/null
+++ b/tests/mir-opt/dataflow-const-prop/sibling_ptr.main.DataflowConstProp.panic-abort.diff
@@ -0,0 +1,54 @@
+- // MIR for `main` before DataflowConstProp
++ // MIR for `main` after DataflowConstProp
+  
+  fn main() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/sibling_ptr.rs:+0:11: +0:11
+      let mut _1: (u8, u8);                // in scope 0 at $DIR/sibling_ptr.rs:+1:9: +1:14
+      let _2: ();                          // in scope 0 at $DIR/sibling_ptr.rs:+2:5: +5:6
+      let mut _4: *mut u8;                 // in scope 0 at $DIR/sibling_ptr.rs:+4:10: +4:18
+      let mut _5: *mut u8;                 // in scope 0 at $DIR/sibling_ptr.rs:+4:10: +4:11
+      scope 1 {
+          debug x => _1;                   // in scope 1 at $DIR/sibling_ptr.rs:+1:9: +1:14
+          let _6: u8;                      // in scope 1 at $DIR/sibling_ptr.rs:+6:9: +6:11
+          scope 2 {
+              let _3: *mut u8;             // in scope 2 at $DIR/sibling_ptr.rs:+3:13: +3:14
+              scope 3 {
+                  debug p => _3;           // in scope 3 at $DIR/sibling_ptr.rs:+3:13: +3:14
+              }
+          }
+          scope 4 {
+              debug x1 => _6;              // in scope 4 at $DIR/sibling_ptr.rs:+6:9: +6:11
+          }
+      }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/sibling_ptr.rs:+1:9: +1:14
+          _1 = (const 0_u8, const 0_u8);   // scope 0 at $DIR/sibling_ptr.rs:+1:27: +1:33
+          StorageLive(_2);                 // scope 1 at $DIR/sibling_ptr.rs:+2:5: +5:6
+          StorageLive(_3);                 // scope 2 at $DIR/sibling_ptr.rs:+3:13: +3:14
+          _3 = &raw mut (_1.0: u8);        // scope 2 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
+          StorageLive(_4);                 // scope 3 at $DIR/sibling_ptr.rs:+4:10: +4:18
+          StorageLive(_5);                 // scope 3 at $DIR/sibling_ptr.rs:+4:10: +4:11
+          _5 = _3;                         // scope 3 at $DIR/sibling_ptr.rs:+4:10: +4:11
+          _4 = ptr::mut_ptr::<impl *mut u8>::add(move _5, const 1_usize) -> [return: bb1, unwind unreachable]; // scope 3 at $DIR/sibling_ptr.rs:+4:10: +4:18
+                                           // mir::Constant
+                                           // + span: $DIR/sibling_ptr.rs:16:12: 16:15
+                                           // + literal: Const { ty: unsafe fn(*mut u8, usize) -> *mut u8 {ptr::mut_ptr::<impl *mut u8>::add}, val: Value(<ZST>) }
+      }
+  
+      bb1: {
+          StorageDead(_5);                 // scope 3 at $DIR/sibling_ptr.rs:+4:17: +4:18
+          (*_4) = const 1_u8;              // scope 3 at $DIR/sibling_ptr.rs:+4:9: +4:22
+          StorageDead(_4);                 // scope 3 at $DIR/sibling_ptr.rs:+4:22: +4:23
+          _2 = const ();                   // scope 2 at $DIR/sibling_ptr.rs:+2:5: +5:6
+          StorageDead(_3);                 // scope 2 at $DIR/sibling_ptr.rs:+5:5: +5:6
+          StorageDead(_2);                 // scope 1 at $DIR/sibling_ptr.rs:+5:5: +5:6
+          StorageLive(_6);                 // scope 1 at $DIR/sibling_ptr.rs:+6:9: +6:11
+          _6 = (_1.1: u8);                 // scope 1 at $DIR/sibling_ptr.rs:+6:14: +6:17
+          _0 = const ();                   // scope 0 at $DIR/sibling_ptr.rs:+0:11: +7:2
+          StorageDead(_6);                 // scope 1 at $DIR/sibling_ptr.rs:+7:1: +7:2
+          StorageDead(_1);                 // scope 0 at $DIR/sibling_ptr.rs:+7:1: +7:2
+          return;                          // scope 0 at $DIR/sibling_ptr.rs:+7:2: +7:2
+      }
+  }
+  
diff --git a/tests/mir-opt/dataflow-const-prop/sibling_ptr.main.DataflowConstProp.diff b/tests/mir-opt/dataflow-const-prop/sibling_ptr.main.DataflowConstProp.panic-unwind.diff
index 6ca569f3d8e..6ca569f3d8e 100644
--- a/tests/mir-opt/dataflow-const-prop/sibling_ptr.main.DataflowConstProp.diff
+++ b/tests/mir-opt/dataflow-const-prop/sibling_ptr.main.DataflowConstProp.panic-unwind.diff
diff --git a/tests/mir-opt/dataflow-const-prop/terminator.main.DataflowConstProp.panic-abort.diff b/tests/mir-opt/dataflow-const-prop/terminator.main.DataflowConstProp.panic-abort.diff
new file mode 100644
index 00000000000..94e9595a0e3
--- /dev/null
+++ b/tests/mir-opt/dataflow-const-prop/terminator.main.DataflowConstProp.panic-abort.diff
@@ -0,0 +1,40 @@
+- // MIR for `main` before DataflowConstProp
++ // MIR for `main` after DataflowConstProp
+  
+  fn main() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/terminator.rs:+0:11: +0:11
+      let _1: i32;                         // in scope 0 at $DIR/terminator.rs:+1:9: +1:10
+      let _2: ();                          // in scope 0 at $DIR/terminator.rs:+3:5: +3:15
+      let mut _3: i32;                     // in scope 0 at $DIR/terminator.rs:+3:9: +3:14
+      let mut _4: i32;                     // in scope 0 at $DIR/terminator.rs:+3:9: +3:10
+      scope 1 {
+          debug a => _1;                   // in scope 1 at $DIR/terminator.rs:+1:9: +1:10
+      }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/terminator.rs:+1:9: +1:10
+          _1 = const 1_i32;                // scope 0 at $DIR/terminator.rs:+1:13: +1:14
+          StorageLive(_2);                 // scope 1 at $DIR/terminator.rs:+3:5: +3:15
+          StorageLive(_3);                 // scope 1 at $DIR/terminator.rs:+3:9: +3:14
+          StorageLive(_4);                 // scope 1 at $DIR/terminator.rs:+3:9: +3:10
+-         _4 = _1;                         // scope 1 at $DIR/terminator.rs:+3:9: +3:10
+-         _3 = Add(move _4, const 1_i32);  // scope 1 at $DIR/terminator.rs:+3:9: +3:14
++         _4 = const 1_i32;                // scope 1 at $DIR/terminator.rs:+3:9: +3:10
++         _3 = const 2_i32;                // scope 1 at $DIR/terminator.rs:+3:9: +3:14
+          StorageDead(_4);                 // scope 1 at $DIR/terminator.rs:+3:13: +3:14
+-         _2 = foo(move _3) -> [return: bb1, unwind unreachable]; // scope 1 at $DIR/terminator.rs:+3:5: +3:15
++         _2 = foo(const 2_i32) -> [return: bb1, unwind unreachable]; // scope 1 at $DIR/terminator.rs:+3:5: +3:15
+                                           // mir::Constant
+                                           // + span: $DIR/terminator.rs:10:5: 10:8
+                                           // + literal: Const { ty: fn(i32) {foo}, val: Value(<ZST>) }
+      }
+  
+      bb1: {
+          StorageDead(_3);                 // scope 1 at $DIR/terminator.rs:+3:14: +3:15
+          StorageDead(_2);                 // scope 1 at $DIR/terminator.rs:+3:15: +3:16
+          _0 = const ();                   // scope 0 at $DIR/terminator.rs:+0:11: +4:2
+          StorageDead(_1);                 // scope 0 at $DIR/terminator.rs:+4:1: +4:2
+          return;                          // scope 0 at $DIR/terminator.rs:+4:2: +4:2
+      }
+  }
+  
diff --git a/tests/mir-opt/dataflow-const-prop/terminator.main.DataflowConstProp.diff b/tests/mir-opt/dataflow-const-prop/terminator.main.DataflowConstProp.panic-unwind.diff
index 9854beaeb21..9854beaeb21 100644
--- a/tests/mir-opt/dataflow-const-prop/terminator.main.DataflowConstProp.diff
+++ b/tests/mir-opt/dataflow-const-prop/terminator.main.DataflowConstProp.panic-unwind.diff
diff --git a/tests/mir-opt/dead-store-elimination/cycle.cycle.DeadStoreElimination.panic-abort.diff b/tests/mir-opt/dead-store-elimination/cycle.cycle.DeadStoreElimination.panic-abort.diff
new file mode 100644
index 00000000000..23cd812cabe
--- /dev/null
+++ b/tests/mir-opt/dead-store-elimination/cycle.cycle.DeadStoreElimination.panic-abort.diff
@@ -0,0 +1,76 @@
+- // MIR for `cycle` before DeadStoreElimination
++ // MIR for `cycle` after DeadStoreElimination
+  
+  fn cycle(_1: i32, _2: i32, _3: i32) -> () {
+      debug x => _1;                       // in scope 0 at $DIR/cycle.rs:+0:10: +0:15
+      debug y => _2;                       // in scope 0 at $DIR/cycle.rs:+0:22: +0:27
+      debug z => _3;                       // in scope 0 at $DIR/cycle.rs:+0:34: +0:39
+      let mut _0: ();                      // return place in scope 0 at $DIR/cycle.rs:+0:46: +0:46
+-     let mut _4: ();                      // in scope 0 at $DIR/cycle.rs:+0:1: +9:2
+-     let mut _5: bool;                    // in scope 0 at $DIR/cycle.rs:+3:11: +3:17
+-     let _6: i32;                         // in scope 0 at $DIR/cycle.rs:+4:13: +4:17
+-     let mut _7: i32;                     // in scope 0 at $DIR/cycle.rs:+5:13: +5:14
+-     let mut _8: i32;                     // in scope 0 at $DIR/cycle.rs:+6:13: +6:14
+-     let mut _9: i32;                     // in scope 0 at $DIR/cycle.rs:+7:13: +7:17
+-     let mut _10: !;                      // in scope 0 at $DIR/cycle.rs:+3:5: +8:6
+-     let _11: ();                         // in scope 0 at $DIR/cycle.rs:+3:5: +8:6
+-     let mut _12: !;                      // in scope 0 at $DIR/cycle.rs:+3:5: +8:6
++     let mut _4: bool;                    // in scope 0 at $DIR/cycle.rs:+3:11: +3:17
++     let _5: i32;                         // in scope 0 at $DIR/cycle.rs:+4:13: +4:17
+      scope 1 {
+-         debug temp => _6;                // in scope 1 at $DIR/cycle.rs:+4:13: +4:17
++         debug temp => _5;                // in scope 1 at $DIR/cycle.rs:+4:13: +4:17
+      }
+  
+      bb0: {
+          goto -> bb1;                     // scope 0 at $DIR/cycle.rs:+3:5: +8:6
+      }
+  
+      bb1: {
+-         StorageLive(_5);                 // scope 0 at $DIR/cycle.rs:+3:11: +3:17
+-         _5 = cond() -> [return: bb2, unwind unreachable]; // scope 0 at $DIR/cycle.rs:+3:11: +3:17
++         StorageLive(_4);                 // scope 0 at $DIR/cycle.rs:+3:11: +3:17
++         _4 = cond() -> [return: bb2, unwind unreachable]; // scope 0 at $DIR/cycle.rs:+3:11: +3:17
+                                           // mir::Constant
+                                           // + span: $DIR/cycle.rs:13:11: 13:15
+                                           // + literal: Const { ty: fn() -> bool {cond}, val: Value(<ZST>) }
+      }
+  
+      bb2: {
+-         switchInt(move _5) -> [0: bb4, otherwise: bb3]; // scope 0 at $DIR/cycle.rs:+3:11: +3:17
++         switchInt(move _4) -> [0: bb4, otherwise: bb3]; // scope 0 at $DIR/cycle.rs:+3:11: +3:17
+      }
+  
+      bb3: {
+-         StorageLive(_6);                 // scope 0 at $DIR/cycle.rs:+4:13: +4:17
+-         _6 = _3;                         // scope 0 at $DIR/cycle.rs:+4:20: +4:21
+-         StorageLive(_7);                 // scope 1 at $DIR/cycle.rs:+5:13: +5:14
+-         _7 = _2;                         // scope 1 at $DIR/cycle.rs:+5:13: +5:14
+-         _3 = move _7;                    // scope 1 at $DIR/cycle.rs:+5:9: +5:14
+-         StorageDead(_7);                 // scope 1 at $DIR/cycle.rs:+5:13: +5:14
+-         StorageLive(_8);                 // scope 1 at $DIR/cycle.rs:+6:13: +6:14
+-         _8 = _1;                         // scope 1 at $DIR/cycle.rs:+6:13: +6:14
+-         _2 = move _8;                    // scope 1 at $DIR/cycle.rs:+6:9: +6:14
+-         StorageDead(_8);                 // scope 1 at $DIR/cycle.rs:+6:13: +6:14
+-         StorageLive(_9);                 // scope 1 at $DIR/cycle.rs:+7:13: +7:17
+-         _9 = _6;                         // scope 1 at $DIR/cycle.rs:+7:13: +7:17
+-         _1 = move _9;                    // scope 1 at $DIR/cycle.rs:+7:9: +7:17
+-         StorageDead(_9);                 // scope 1 at $DIR/cycle.rs:+7:16: +7:17
+-         _4 = const ();                   // scope 0 at $DIR/cycle.rs:+3:18: +8:6
+-         StorageDead(_6);                 // scope 0 at $DIR/cycle.rs:+8:5: +8:6
++         StorageLive(_5);                 // scope 0 at $DIR/cycle.rs:+4:13: +4:17
+          StorageDead(_5);                 // scope 0 at $DIR/cycle.rs:+8:5: +8:6
++         StorageDead(_4);                 // scope 0 at $DIR/cycle.rs:+8:5: +8:6
+          goto -> bb1;                     // scope 0 at $DIR/cycle.rs:+3:5: +8:6
+      }
+  
+      bb4: {
+-         StorageLive(_11);                // scope 0 at $DIR/cycle.rs:+3:5: +8:6
+          _0 = const ();                   // scope 0 at $DIR/cycle.rs:+3:5: +8:6
+-         StorageDead(_11);                // scope 0 at $DIR/cycle.rs:+8:5: +8:6
+-         StorageDead(_5);                 // scope 0 at $DIR/cycle.rs:+8:5: +8:6
++         StorageDead(_4);                 // scope 0 at $DIR/cycle.rs:+8:5: +8:6
+          return;                          // scope 0 at $DIR/cycle.rs:+9:2: +9:2
+      }
+  }
+  
diff --git a/tests/mir-opt/dead-store-elimination/cycle.cycle.DeadStoreElimination.diff b/tests/mir-opt/dead-store-elimination/cycle.cycle.DeadStoreElimination.panic-unwind.diff
index 2776ff51d85..2776ff51d85 100644
--- a/tests/mir-opt/dead-store-elimination/cycle.cycle.DeadStoreElimination.diff
+++ b/tests/mir-opt/dead-store-elimination/cycle.cycle.DeadStoreElimination.panic-unwind.diff
diff --git a/tests/mir-opt/deduplicate_blocks.is_line_doc_comment_2.DeduplicateBlocks.panic-abort.diff b/tests/mir-opt/deduplicate_blocks.is_line_doc_comment_2.DeduplicateBlocks.panic-abort.diff
new file mode 100644
index 00000000000..89de03000ae
--- /dev/null
+++ b/tests/mir-opt/deduplicate_blocks.is_line_doc_comment_2.DeduplicateBlocks.panic-abort.diff
@@ -0,0 +1,100 @@
+- // MIR for `is_line_doc_comment_2` before DeduplicateBlocks
++ // MIR for `is_line_doc_comment_2` after DeduplicateBlocks
+  
+  fn is_line_doc_comment_2(_1: &str) -> bool {
+      debug s => _1;                       // in scope 0 at $DIR/deduplicate_blocks.rs:+0:36: +0:37
+      let mut _0: bool;                    // return place in scope 0 at $DIR/deduplicate_blocks.rs:+0:48: +0:52
+      let mut _2: &[u8];                   // in scope 0 at $DIR/deduplicate_blocks.rs:+1:11: +1:23
+      let mut _3: &str;                    // in scope 0 at $DIR/deduplicate_blocks.rs:+1:11: +1:23
+      let mut _4: usize;                   // in scope 0 at $DIR/deduplicate_blocks.rs:+3:9: +3:31
+      let mut _5: usize;                   // in scope 0 at $DIR/deduplicate_blocks.rs:+3:9: +3:31
+      let mut _6: bool;                    // in scope 0 at $DIR/deduplicate_blocks.rs:+3:9: +3:31
+      let mut _7: usize;                   // in scope 0 at $DIR/deduplicate_blocks.rs:+2:9: +2:37
+      let mut _8: usize;                   // in scope 0 at $DIR/deduplicate_blocks.rs:+2:9: +2:37
+      let mut _9: bool;                    // in scope 0 at $DIR/deduplicate_blocks.rs:+2:9: +2:37
+  
+      bb0: {
+          StorageLive(_2);                 // scope 0 at $DIR/deduplicate_blocks.rs:+1:11: +1:23
+          StorageLive(_3);                 // scope 0 at $DIR/deduplicate_blocks.rs:+1:11: +1:23
+          _3 = &(*_1);                     // scope 0 at $DIR/deduplicate_blocks.rs:+1:11: +1:23
+          _2 = core::str::<impl str>::as_bytes(move _3) -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/deduplicate_blocks.rs:+1:11: +1:23
+                                           // mir::Constant
+                                           // + span: $DIR/deduplicate_blocks.rs:6:13: 6:21
+                                           // + literal: Const { ty: for<'a> fn(&'a str) -> &'a [u8] {core::str::<impl str>::as_bytes}, val: Value(<ZST>) }
+      }
+  
+      bb1: {
+          StorageDead(_3);                 // scope 0 at $DIR/deduplicate_blocks.rs:+1:22: +1:23
+          _7 = Len((*_2));                 // scope 0 at $DIR/deduplicate_blocks.rs:+2:9: +2:37
+          _8 = const 4_usize;              // scope 0 at $DIR/deduplicate_blocks.rs:+2:9: +2:37
+          _9 = Ge(move _7, move _8);       // scope 0 at $DIR/deduplicate_blocks.rs:+2:9: +2:37
+          switchInt(move _9) -> [0: bb6, otherwise: bb2]; // scope 0 at $DIR/deduplicate_blocks.rs:+2:9: +2:37
+      }
+  
+      bb2: {
+          switchInt((*_2)[0 of 4]) -> [47: bb3, otherwise: bb6]; // scope 0 at $DIR/deduplicate_blocks.rs:+1:5: +1:23
+      }
+  
+      bb3: {
+          switchInt((*_2)[1 of 4]) -> [47: bb4, otherwise: bb6]; // scope 0 at $DIR/deduplicate_blocks.rs:+1:5: +1:23
+      }
+  
+      bb4: {
+          switchInt((*_2)[2 of 4]) -> [47: bb5, otherwise: bb6]; // scope 0 at $DIR/deduplicate_blocks.rs:+1:5: +1:23
+      }
+  
+      bb5: {
+-         switchInt((*_2)[3 of 4]) -> [47: bb11, otherwise: bb6]; // scope 0 at $DIR/deduplicate_blocks.rs:+1:5: +1:23
++         switchInt((*_2)[3 of 4]) -> [47: bb10, otherwise: bb6]; // scope 0 at $DIR/deduplicate_blocks.rs:+1:5: +1:23
+      }
+  
+      bb6: {
+          _4 = Len((*_2));                 // scope 0 at $DIR/deduplicate_blocks.rs:+3:9: +3:31
+          _5 = const 3_usize;              // scope 0 at $DIR/deduplicate_blocks.rs:+3:9: +3:31
+          _6 = Ge(move _4, move _5);       // scope 0 at $DIR/deduplicate_blocks.rs:+3:9: +3:31
+          switchInt(move _6) -> [0: bb10, otherwise: bb7]; // scope 0 at $DIR/deduplicate_blocks.rs:+3:9: +3:31
+      }
+  
+      bb7: {
+          switchInt((*_2)[0 of 3]) -> [47: bb8, otherwise: bb10]; // scope 0 at $DIR/deduplicate_blocks.rs:+1:5: +1:23
+      }
+  
+      bb8: {
+          switchInt((*_2)[1 of 3]) -> [47: bb9, otherwise: bb10]; // scope 0 at $DIR/deduplicate_blocks.rs:+1:5: +1:23
+      }
+  
+      bb9: {
+-         switchInt((*_2)[2 of 3]) -> [47: bb12, 33: bb13, otherwise: bb10]; // scope 0 at $DIR/deduplicate_blocks.rs:+1:5: +1:23
++         switchInt((*_2)[2 of 3]) -> [47: bb11, 33: bb11, otherwise: bb10]; // scope 0 at $DIR/deduplicate_blocks.rs:+1:5: +1:23
+      }
+  
+      bb10: {
+-         _0 = const false;                // scope 0 at $DIR/deduplicate_blocks.rs:+5:14: +5:19
+-         goto -> bb14;                    // scope 0 at $DIR/deduplicate_blocks.rs:+5:14: +5:19
+-     }
+- 
+-     bb11: {
+          _0 = const false;                // scope 0 at $DIR/deduplicate_blocks.rs:+2:41: +2:46
+-         goto -> bb14;                    // scope 0 at $DIR/deduplicate_blocks.rs:+2:41: +2:46
++         goto -> bb12;                    // scope 0 at $DIR/deduplicate_blocks.rs:+2:41: +2:46
+      }
+  
+-     bb12: {
+-         _0 = const true;                 // scope 0 at $DIR/deduplicate_blocks.rs:+3:35: +3:39
+-         goto -> bb14;                    // scope 0 at $DIR/deduplicate_blocks.rs:+3:35: +3:39
+-     }
+- 
+-     bb13: {
++     bb11: {
+          _0 = const true;                 // scope 0 at $DIR/deduplicate_blocks.rs:+4:35: +4:39
+-         goto -> bb14;                    // scope 0 at $DIR/deduplicate_blocks.rs:+4:35: +4:39
++         goto -> bb12;                    // scope 0 at $DIR/deduplicate_blocks.rs:+4:35: +4:39
+      }
+  
+-     bb14: {
++     bb12: {
+          StorageDead(_2);                 // scope 0 at $DIR/deduplicate_blocks.rs:+7:1: +7:2
+          return;                          // scope 0 at $DIR/deduplicate_blocks.rs:+7:2: +7:2
+      }
+  }
+  
diff --git a/tests/mir-opt/deduplicate_blocks.is_line_doc_comment_2.DeduplicateBlocks.diff b/tests/mir-opt/deduplicate_blocks.is_line_doc_comment_2.DeduplicateBlocks.panic-unwind.diff
index c4ebf1ca834..c4ebf1ca834 100644
--- a/tests/mir-opt/deduplicate_blocks.is_line_doc_comment_2.DeduplicateBlocks.diff
+++ b/tests/mir-opt/deduplicate_blocks.is_line_doc_comment_2.DeduplicateBlocks.panic-unwind.diff
diff --git a/tests/mir-opt/derefer_complex_case.main.Derefer.panic-abort.diff b/tests/mir-opt/derefer_complex_case.main.Derefer.panic-abort.diff
new file mode 100644
index 00000000000..6458b06f0e0
--- /dev/null
+++ b/tests/mir-opt/derefer_complex_case.main.Derefer.panic-abort.diff
@@ -0,0 +1,109 @@
+- // MIR for `main` before Derefer
++ // MIR for `main` after Derefer
+  
+  fn main() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/derefer_complex_case.rs:+0:11: +0:11
+      let mut _1: std::slice::Iter<'_, i32>; // in scope 0 at $DIR/derefer_complex_case.rs:+1:17: +1:26
+      let mut _2: &[i32; 2];               // in scope 0 at $DIR/derefer_complex_case.rs:+1:17: +1:26
+      let _3: [i32; 2];                    // in scope 0 at $DIR/derefer_complex_case.rs:+1:18: +1:26
+      let mut _4: std::slice::Iter<'_, i32>; // in scope 0 at $DIR/derefer_complex_case.rs:+1:17: +1:26
+      let mut _5: ();                      // in scope 0 at $DIR/derefer_complex_case.rs:+0:1: +2:2
+      let _6: ();                          // in scope 0 at $DIR/derefer_complex_case.rs:+1:17: +1:26
+      let mut _7: std::option::Option<&i32>; // in scope 0 at $DIR/derefer_complex_case.rs:+1:17: +1:26
+      let mut _8: &mut std::slice::Iter<'_, i32>; // in scope 0 at $DIR/derefer_complex_case.rs:+1:17: +1:26
+      let mut _9: &mut std::slice::Iter<'_, i32>; // in scope 0 at $DIR/derefer_complex_case.rs:+1:17: +1:26
+      let mut _10: isize;                  // in scope 0 at $DIR/derefer_complex_case.rs:+1:5: +1:40
+      let mut _11: !;                      // in scope 0 at $DIR/derefer_complex_case.rs:+1:5: +1:40
+      let mut _13: i32;                    // in scope 0 at $DIR/derefer_complex_case.rs:+1:34: +1:37
+      let mut _14: &[i32; 2];              // in scope 0 at $DIR/derefer_complex_case.rs:+1:17: +1:26
++     let mut _15: &i32;                   // in scope 0 at $DIR/derefer_complex_case.rs:+1:17: +1:26
+      scope 1 {
+          debug iter => _4;                // in scope 1 at $DIR/derefer_complex_case.rs:+1:17: +1:26
+          let _12: i32;                    // in scope 1 at $DIR/derefer_complex_case.rs:+1:10: +1:13
+          scope 2 {
+              debug foo => _12;            // in scope 2 at $DIR/derefer_complex_case.rs:+1:10: +1:13
+          }
+      }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/derefer_complex_case.rs:+1:17: +1:26
+          StorageLive(_2);                 // scope 0 at $DIR/derefer_complex_case.rs:+1:17: +1:26
+          _14 = const _;                   // scope 0 at $DIR/derefer_complex_case.rs:+1:17: +1:26
+                                           // mir::Constant
+                                           // + span: $DIR/derefer_complex_case.rs:6:17: 6:26
+                                           // + literal: Const { ty: &[i32; 2], val: Unevaluated(main, [], Some(promoted[0])) }
+          _2 = &(*_14);                    // scope 0 at $DIR/derefer_complex_case.rs:+1:17: +1:26
+          _1 = <&[i32; 2] as IntoIterator>::into_iter(move _2) -> [return: bb1, unwind: bb8]; // scope 0 at $DIR/derefer_complex_case.rs:+1:17: +1:26
+                                           // mir::Constant
+                                           // + span: $DIR/derefer_complex_case.rs:6:17: 6:26
+                                           // + literal: Const { ty: fn(&[i32; 2]) -> <&[i32; 2] as IntoIterator>::IntoIter {<&[i32; 2] as IntoIterator>::into_iter}, val: Value(<ZST>) }
+      }
+  
+      bb1: {
+          StorageDead(_2);                 // scope 0 at $DIR/derefer_complex_case.rs:+1:25: +1:26
+          StorageLive(_4);                 // scope 0 at $DIR/derefer_complex_case.rs:+1:17: +1:26
+          _4 = move _1;                    // scope 0 at $DIR/derefer_complex_case.rs:+1:17: +1:26
+          goto -> bb2;                     // scope 1 at $DIR/derefer_complex_case.rs:+1:5: +1:40
+      }
+  
+      bb2: {
+          StorageLive(_6);                 // scope 1 at $DIR/derefer_complex_case.rs:+1:17: +1:26
+          StorageLive(_7);                 // scope 1 at $DIR/derefer_complex_case.rs:+1:17: +1:26
+          StorageLive(_8);                 // scope 1 at $DIR/derefer_complex_case.rs:+1:17: +1:26
+          StorageLive(_9);                 // scope 1 at $DIR/derefer_complex_case.rs:+1:17: +1:26
+          _9 = &mut _4;                    // scope 1 at $DIR/derefer_complex_case.rs:+1:17: +1:26
+          _8 = &mut (*_9);                 // scope 1 at $DIR/derefer_complex_case.rs:+1:17: +1:26
+          _7 = <std::slice::Iter<'_, i32> as Iterator>::next(move _8) -> [return: bb3, unwind: bb8]; // scope 1 at $DIR/derefer_complex_case.rs:+1:17: +1:26
+                                           // mir::Constant
+                                           // + span: $DIR/derefer_complex_case.rs:6:17: 6:26
+                                           // + literal: Const { ty: for<'a> fn(&'a mut std::slice::Iter<'_, i32>) -> Option<<std::slice::Iter<'_, i32> as Iterator>::Item> {<std::slice::Iter<'_, i32> as Iterator>::next}, val: Value(<ZST>) }
+      }
+  
+      bb3: {
+          StorageDead(_8);                 // scope 1 at $DIR/derefer_complex_case.rs:+1:25: +1:26
+          _10 = discriminant(_7);          // scope 1 at $DIR/derefer_complex_case.rs:+1:17: +1:26
+          switchInt(move _10) -> [0: bb6, 1: bb4, otherwise: bb5]; // scope 1 at $DIR/derefer_complex_case.rs:+1:17: +1:26
+      }
+  
+      bb4: {
+          StorageLive(_12);                // scope 1 at $DIR/derefer_complex_case.rs:+1:10: +1:13
+-         _12 = (*((_7 as Some).0: &i32)); // scope 1 at $DIR/derefer_complex_case.rs:+1:10: +1:13
++         _15 = deref_copy ((_7 as Some).0: &i32); // scope 1 at $DIR/derefer_complex_case.rs:+1:10: +1:13
++         _12 = (*_15);                    // scope 1 at $DIR/derefer_complex_case.rs:+1:10: +1:13
+          StorageLive(_13);                // scope 2 at $DIR/derefer_complex_case.rs:+1:34: +1:37
+          _13 = _12;                       // scope 2 at $DIR/derefer_complex_case.rs:+1:34: +1:37
+          _6 = std::mem::drop::<i32>(move _13) -> [return: bb7, unwind: bb8]; // scope 2 at $DIR/derefer_complex_case.rs:+1:29: +1:38
+                                           // mir::Constant
+                                           // + span: $DIR/derefer_complex_case.rs:6:29: 6:33
+                                           // + literal: Const { ty: fn(i32) {std::mem::drop::<i32>}, val: Value(<ZST>) }
+      }
+  
+      bb5: {
+          unreachable;                     // scope 1 at $DIR/derefer_complex_case.rs:+1:17: +1:26
+      }
+  
+      bb6: {
+          _0 = const ();                   // scope 1 at $DIR/derefer_complex_case.rs:+1:5: +1:40
+          StorageDead(_9);                 // scope 1 at $DIR/derefer_complex_case.rs:+1:39: +1:40
+          StorageDead(_7);                 // scope 1 at $DIR/derefer_complex_case.rs:+1:39: +1:40
+          StorageDead(_6);                 // scope 1 at $DIR/derefer_complex_case.rs:+1:39: +1:40
+          StorageDead(_4);                 // scope 0 at $DIR/derefer_complex_case.rs:+1:39: +1:40
+          StorageDead(_1);                 // scope 0 at $DIR/derefer_complex_case.rs:+1:39: +1:40
+          return;                          // scope 0 at $DIR/derefer_complex_case.rs:+2:2: +2:2
+      }
+  
+      bb7: {
+          StorageDead(_13);                // scope 2 at $DIR/derefer_complex_case.rs:+1:37: +1:38
+          StorageDead(_12);                // scope 1 at $DIR/derefer_complex_case.rs:+1:39: +1:40
+          StorageDead(_9);                 // scope 1 at $DIR/derefer_complex_case.rs:+1:39: +1:40
+          StorageDead(_7);                 // scope 1 at $DIR/derefer_complex_case.rs:+1:39: +1:40
+          StorageDead(_6);                 // scope 1 at $DIR/derefer_complex_case.rs:+1:39: +1:40
+          _5 = const ();                   // scope 1 at $DIR/derefer_complex_case.rs:+1:5: +1:40
+          goto -> bb2;                     // scope 1 at $DIR/derefer_complex_case.rs:+1:5: +1:40
+      }
+  
+      bb8 (cleanup): {
+          resume;                          // scope 0 at $DIR/derefer_complex_case.rs:+0:1: +2:2
+      }
+  }
+  
diff --git a/tests/mir-opt/derefer_complex_case.main.Derefer.diff b/tests/mir-opt/derefer_complex_case.main.Derefer.panic-unwind.diff
index fa3eeedc40f..fa3eeedc40f 100644
--- a/tests/mir-opt/derefer_complex_case.main.Derefer.diff
+++ b/tests/mir-opt/derefer_complex_case.main.Derefer.panic-unwind.diff
diff --git a/tests/mir-opt/derefer_inline_test.main.Derefer.panic-abort.diff b/tests/mir-opt/derefer_inline_test.main.Derefer.panic-abort.diff
new file mode 100644
index 00000000000..92c8f2059e8
--- /dev/null
+++ b/tests/mir-opt/derefer_inline_test.main.Derefer.panic-abort.diff
@@ -0,0 +1,45 @@
+- // MIR for `main` before Derefer
++ // MIR for `main` after Derefer
+  
+  fn main() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/derefer_inline_test.rs:+0:11: +0:11
+      let _1: std::boxed::Box<std::boxed::Box<u32>>; // in scope 0 at $DIR/derefer_inline_test.rs:+1:5: +1:18
+      let mut _2: std::boxed::Box<u32>;    // in scope 0 at $DIR/derefer_inline_test.rs:+1:14: +1:17
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/derefer_inline_test.rs:+1:5: +1:18
+          StorageLive(_2);                 // scope 0 at $DIR/derefer_inline_test.rs:+1:14: +1:17
+          _2 = f() -> [return: bb1, unwind: bb5]; // scope 0 at $DIR/derefer_inline_test.rs:+1:14: +1:17
+                                           // mir::Constant
+                                           // + span: $DIR/derefer_inline_test.rs:10:14: 10:15
+                                           // + literal: Const { ty: fn() -> Box<u32> {f}, val: Value(<ZST>) }
+      }
+  
+      bb1: {
+          _1 = Box::<Box<u32>>::new(move _2) -> [return: bb2, unwind: bb4]; // scope 0 at $DIR/derefer_inline_test.rs:+1:5: +1:18
+                                           // mir::Constant
+                                           // + span: $DIR/derefer_inline_test.rs:10:5: 10:13
+                                           // + user_ty: UserType(0)
+                                           // + literal: Const { ty: fn(Box<u32>) -> Box<Box<u32>> {Box::<Box<u32>>::new}, val: Value(<ZST>) }
+      }
+  
+      bb2: {
+          StorageDead(_2);                 // scope 0 at $DIR/derefer_inline_test.rs:+1:17: +1:18
+          drop(_1) -> [return: bb3, unwind: bb5]; // scope 0 at $DIR/derefer_inline_test.rs:+1:18: +1:19
+      }
+  
+      bb3: {
+          StorageDead(_1);                 // scope 0 at $DIR/derefer_inline_test.rs:+1:18: +1:19
+          _0 = const ();                   // scope 0 at $DIR/derefer_inline_test.rs:+0:11: +2:2
+          return;                          // scope 0 at $DIR/derefer_inline_test.rs:+2:2: +2:2
+      }
+  
+      bb4 (cleanup): {
+          drop(_2) -> [return: bb5, unwind terminate]; // scope 0 at $DIR/derefer_inline_test.rs:+1:17: +1:18
+      }
+  
+      bb5 (cleanup): {
+          resume;                          // scope 0 at $DIR/derefer_inline_test.rs:+0:1: +2:2
+      }
+  }
+  
diff --git a/tests/mir-opt/derefer_inline_test.main.Derefer.diff b/tests/mir-opt/derefer_inline_test.main.Derefer.panic-unwind.diff
index 426d4fb213c..426d4fb213c 100644
--- a/tests/mir-opt/derefer_inline_test.main.Derefer.diff
+++ b/tests/mir-opt/derefer_inline_test.main.Derefer.panic-unwind.diff
diff --git a/tests/mir-opt/derefer_terminator_test.main.Derefer.panic-abort.diff b/tests/mir-opt/derefer_terminator_test.main.Derefer.panic-abort.diff
new file mode 100644
index 00000000000..5a218df95b7
--- /dev/null
+++ b/tests/mir-opt/derefer_terminator_test.main.Derefer.panic-abort.diff
@@ -0,0 +1,96 @@
+- // MIR for `main` before Derefer
++ // MIR for `main` after Derefer
+  
+  fn main() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/derefer_terminator_test.rs:+0:11: +0:11
+      let _1: bool;                        // in scope 0 at $DIR/derefer_terminator_test.rs:+1:9: +1:10
+      let _3: ();                          // in scope 0 at $DIR/derefer_terminator_test.rs:+3:5: +6:6
+      let mut _4: &&&&bool;                // in scope 0 at $DIR/derefer_terminator_test.rs:+3:15: +3:22
+      let _5: &&&bool;                     // in scope 0 at $DIR/derefer_terminator_test.rs:+3:17: +3:21
+      let _6: &&bool;                      // in scope 0 at $DIR/derefer_terminator_test.rs:+3:18: +3:21
+      let _7: &bool;                       // in scope 0 at $DIR/derefer_terminator_test.rs:+3:19: +3:21
++     let mut _10: &&&bool;                // in scope 0 at $DIR/derefer_terminator_test.rs:+3:15: +3:22
++     let mut _11: &&bool;                 // in scope 0 at $DIR/derefer_terminator_test.rs:+3:15: +3:22
++     let mut _12: &bool;                  // in scope 0 at $DIR/derefer_terminator_test.rs:+3:15: +3:22
+      scope 1 {
+          debug b => _1;                   // in scope 1 at $DIR/derefer_terminator_test.rs:+1:9: +1:10
+          let _2: bool;                    // in scope 1 at $DIR/derefer_terminator_test.rs:+2:9: +2:10
+          scope 2 {
+              debug d => _2;               // in scope 2 at $DIR/derefer_terminator_test.rs:+2:9: +2:10
+              let _8: i32;                 // in scope 2 at $DIR/derefer_terminator_test.rs:+4:22: +4:23
+              let _9: i32;                 // in scope 2 at $DIR/derefer_terminator_test.rs:+7:9: +7:10
+              scope 3 {
+                  debug x => _8;           // in scope 3 at $DIR/derefer_terminator_test.rs:+4:22: +4:23
+              }
+              scope 4 {
+                  debug y => _9;           // in scope 4 at $DIR/derefer_terminator_test.rs:+7:9: +7:10
+              }
+          }
+      }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/derefer_terminator_test.rs:+1:9: +1:10
+          _1 = foo() -> [return: bb1, unwind: bb6]; // scope 0 at $DIR/derefer_terminator_test.rs:+1:13: +1:18
+                                           // mir::Constant
+                                           // + span: $DIR/derefer_terminator_test.rs:6:13: 6:16
+                                           // + literal: Const { ty: fn() -> bool {foo}, val: Value(<ZST>) }
+      }
+  
+      bb1: {
+          StorageLive(_2);                 // scope 1 at $DIR/derefer_terminator_test.rs:+2:9: +2:10
+          _2 = foo() -> [return: bb2, unwind: bb6]; // scope 1 at $DIR/derefer_terminator_test.rs:+2:13: +2:18
+                                           // mir::Constant
+                                           // + span: $DIR/derefer_terminator_test.rs:7:13: 7:16
+                                           // + literal: Const { ty: fn() -> bool {foo}, val: Value(<ZST>) }
+      }
+  
+      bb2: {
+          StorageLive(_3);                 // scope 2 at $DIR/derefer_terminator_test.rs:+3:5: +6:6
+          StorageLive(_4);                 // scope 2 at $DIR/derefer_terminator_test.rs:+3:15: +3:22
+          StorageLive(_5);                 // scope 2 at $DIR/derefer_terminator_test.rs:+3:17: +3:21
+          StorageLive(_6);                 // scope 2 at $DIR/derefer_terminator_test.rs:+3:18: +3:21
+          StorageLive(_7);                 // scope 2 at $DIR/derefer_terminator_test.rs:+3:19: +3:21
+          _7 = &_1;                        // scope 2 at $DIR/derefer_terminator_test.rs:+3:19: +3:21
+          _6 = &_7;                        // scope 2 at $DIR/derefer_terminator_test.rs:+3:18: +3:21
+          _5 = &_6;                        // scope 2 at $DIR/derefer_terminator_test.rs:+3:17: +3:21
+          _4 = &_5;                        // scope 2 at $DIR/derefer_terminator_test.rs:+3:15: +3:22
+-         switchInt((*(*(*(*_4))))) -> [0: bb3, otherwise: bb4]; // scope 2 at $DIR/derefer_terminator_test.rs:+3:5: +3:22
++         _10 = deref_copy (*_4);          // scope 2 at $DIR/derefer_terminator_test.rs:+3:5: +3:22
++         _11 = deref_copy (*_10);         // scope 2 at $DIR/derefer_terminator_test.rs:+3:5: +3:22
++         _12 = deref_copy (*_11);         // scope 2 at $DIR/derefer_terminator_test.rs:+3:5: +3:22
++         switchInt((*_12)) -> [0: bb3, otherwise: bb4]; // scope 2 at $DIR/derefer_terminator_test.rs:+3:5: +3:22
+      }
+  
+      bb3: {
+          _3 = const ();                   // scope 2 at $DIR/derefer_terminator_test.rs:+5:18: +5:20
+          goto -> bb5;                     // scope 2 at $DIR/derefer_terminator_test.rs:+5:18: +5:20
+      }
+  
+      bb4: {
+          StorageLive(_8);                 // scope 2 at $DIR/derefer_terminator_test.rs:+4:22: +4:23
+          _8 = const 5_i32;                // scope 2 at $DIR/derefer_terminator_test.rs:+4:26: +4:27
+          _3 = const ();                   // scope 2 at $DIR/derefer_terminator_test.rs:+4:17: +4:29
+          StorageDead(_8);                 // scope 2 at $DIR/derefer_terminator_test.rs:+4:28: +4:29
+          goto -> bb5;                     // scope 2 at $DIR/derefer_terminator_test.rs:+4:28: +4:29
+      }
+  
+      bb5: {
+          StorageDead(_7);                 // scope 2 at $DIR/derefer_terminator_test.rs:+6:5: +6:6
+          StorageDead(_6);                 // scope 2 at $DIR/derefer_terminator_test.rs:+6:5: +6:6
+          StorageDead(_5);                 // scope 2 at $DIR/derefer_terminator_test.rs:+6:5: +6:6
+          StorageDead(_4);                 // scope 2 at $DIR/derefer_terminator_test.rs:+6:5: +6:6
+          StorageDead(_3);                 // scope 2 at $DIR/derefer_terminator_test.rs:+6:5: +6:6
+          StorageLive(_9);                 // scope 2 at $DIR/derefer_terminator_test.rs:+7:9: +7:10
+          _9 = const 42_i32;               // scope 2 at $DIR/derefer_terminator_test.rs:+7:13: +7:15
+          _0 = const ();                   // scope 0 at $DIR/derefer_terminator_test.rs:+0:11: +8:2
+          StorageDead(_9);                 // scope 2 at $DIR/derefer_terminator_test.rs:+8:1: +8:2
+          StorageDead(_2);                 // scope 1 at $DIR/derefer_terminator_test.rs:+8:1: +8:2
+          StorageDead(_1);                 // scope 0 at $DIR/derefer_terminator_test.rs:+8:1: +8:2
+          return;                          // scope 0 at $DIR/derefer_terminator_test.rs:+8:2: +8:2
+      }
+  
+      bb6 (cleanup): {
+          resume;                          // scope 0 at $DIR/derefer_terminator_test.rs:+0:1: +8:2
+      }
+  }
+  
diff --git a/tests/mir-opt/derefer_terminator_test.main.Derefer.diff b/tests/mir-opt/derefer_terminator_test.main.Derefer.panic-unwind.diff
index ab2388d1323..ab2388d1323 100644
--- a/tests/mir-opt/derefer_terminator_test.main.Derefer.diff
+++ b/tests/mir-opt/derefer_terminator_test.main.Derefer.panic-unwind.diff
diff --git a/tests/mir-opt/dest-prop/branch.foo.DestinationPropagation.panic-abort.diff b/tests/mir-opt/dest-prop/branch.foo.DestinationPropagation.panic-abort.diff
new file mode 100644
index 00000000000..c039fc76b76
--- /dev/null
+++ b/tests/mir-opt/dest-prop/branch.foo.DestinationPropagation.panic-abort.diff
@@ -0,0 +1,75 @@
+- // MIR for `foo` before DestinationPropagation
++ // MIR for `foo` after DestinationPropagation
+  
+  fn foo() -> i32 {
+      let mut _0: i32;                     // return place in scope 0 at $DIR/branch.rs:+0:13: +0:16
+      let _1: i32;                         // in scope 0 at $DIR/branch.rs:+1:9: +1:10
+      let mut _3: bool;                    // in scope 0 at $DIR/branch.rs:+3:16: +3:22
+      let _4: i32;                         // in scope 0 at $DIR/branch.rs:+6:9: +6:14
+      scope 1 {
+-         debug x => _1;                   // in scope 1 at $DIR/branch.rs:+1:9: +1:10
++         debug x => _0;                   // in scope 1 at $DIR/branch.rs:+1:9: +1:10
+          let _2: i32;                     // in scope 1 at $DIR/branch.rs:+3:9: +3:10
+          scope 2 {
+-             debug y => _2;               // in scope 2 at $DIR/branch.rs:+3:9: +3:10
++             debug y => _0;               // in scope 2 at $DIR/branch.rs:+3:9: +3:10
+          }
+      }
+  
+      bb0: {
+-         StorageLive(_1);                 // scope 0 at $DIR/branch.rs:+1:9: +1:10
+-         _1 = val() -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/branch.rs:+1:13: +1:18
++         nop;                             // scope 0 at $DIR/branch.rs:+1:9: +1:10
++         _0 = val() -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/branch.rs:+1:13: +1:18
+                                           // mir::Constant
+                                           // + span: $DIR/branch.rs:14:13: 14:16
+                                           // + literal: Const { ty: fn() -> i32 {val}, val: Value(<ZST>) }
+      }
+  
+      bb1: {
+-         StorageLive(_2);                 // scope 1 at $DIR/branch.rs:+3:9: +3:10
++         nop;                             // scope 1 at $DIR/branch.rs:+3:9: +3:10
+          StorageLive(_3);                 // scope 1 at $DIR/branch.rs:+3:16: +3:22
+          _3 = cond() -> [return: bb2, unwind unreachable]; // scope 1 at $DIR/branch.rs:+3:16: +3:22
+                                           // mir::Constant
+                                           // + span: $DIR/branch.rs:16:16: 16:20
+                                           // + literal: Const { ty: fn() -> bool {cond}, val: Value(<ZST>) }
+      }
+  
+      bb2: {
+          switchInt(move _3) -> [0: bb4, otherwise: bb3]; // scope 1 at $DIR/branch.rs:+3:16: +3:22
+      }
+  
+      bb3: {
+-         _2 = _1;                         // scope 1 at $DIR/branch.rs:+4:9: +4:10
++         nop;                             // scope 1 at $DIR/branch.rs:+4:9: +4:10
+          goto -> bb6;                     // scope 1 at $DIR/branch.rs:+3:13: +8:6
+      }
+  
+      bb4: {
+          StorageLive(_4);                 // scope 1 at $DIR/branch.rs:+6:9: +6:14
+          _4 = val() -> [return: bb5, unwind unreachable]; // scope 1 at $DIR/branch.rs:+6:9: +6:14
+                                           // mir::Constant
+                                           // + span: $DIR/branch.rs:19:9: 19:12
+                                           // + literal: Const { ty: fn() -> i32 {val}, val: Value(<ZST>) }
+      }
+  
+      bb5: {
+          StorageDead(_4);                 // scope 1 at $DIR/branch.rs:+6:14: +6:15
+-         _2 = _1;                         // scope 1 at $DIR/branch.rs:+7:9: +7:10
++         nop;                             // scope 1 at $DIR/branch.rs:+7:9: +7:10
+          goto -> bb6;                     // scope 1 at $DIR/branch.rs:+3:13: +8:6
+      }
+  
+      bb6: {
+          StorageDead(_3);                 // scope 1 at $DIR/branch.rs:+8:5: +8:6
+-         _0 = _2;                         // scope 2 at $DIR/branch.rs:+10:5: +10:6
+-         StorageDead(_2);                 // scope 1 at $DIR/branch.rs:+11:1: +11:2
+-         StorageDead(_1);                 // scope 0 at $DIR/branch.rs:+11:1: +11:2
++         nop;                             // scope 2 at $DIR/branch.rs:+10:5: +10:6
++         nop;                             // scope 1 at $DIR/branch.rs:+11:1: +11:2
++         nop;                             // scope 0 at $DIR/branch.rs:+11:1: +11:2
+          return;                          // scope 0 at $DIR/branch.rs:+11:2: +11:2
+      }
+  }
+  
diff --git a/tests/mir-opt/dest-prop/branch.foo.DestinationPropagation.diff b/tests/mir-opt/dest-prop/branch.foo.DestinationPropagation.panic-unwind.diff
index b7416d389ef..b7416d389ef 100644
--- a/tests/mir-opt/dest-prop/branch.foo.DestinationPropagation.diff
+++ b/tests/mir-opt/dest-prop/branch.foo.DestinationPropagation.panic-unwind.diff
diff --git a/tests/mir-opt/dest-prop/copy_propagation_arg.arg_src.DestinationPropagation.diff b/tests/mir-opt/dest-prop/copy_propagation_arg.arg_src.DestinationPropagation.panic-abort.diff
index 4343a593542..4343a593542 100644
--- a/tests/mir-opt/dest-prop/copy_propagation_arg.arg_src.DestinationPropagation.diff
+++ b/tests/mir-opt/dest-prop/copy_propagation_arg.arg_src.DestinationPropagation.panic-abort.diff
diff --git a/tests/mir-opt/dest-prop/copy_propagation_arg.arg_src.DestinationPropagation.panic-unwind.diff b/tests/mir-opt/dest-prop/copy_propagation_arg.arg_src.DestinationPropagation.panic-unwind.diff
new file mode 100644
index 00000000000..4343a593542
--- /dev/null
+++ b/tests/mir-opt/dest-prop/copy_propagation_arg.arg_src.DestinationPropagation.panic-unwind.diff
@@ -0,0 +1,26 @@
+- // MIR for `arg_src` before DestinationPropagation
++ // MIR for `arg_src` after DestinationPropagation
+  
+  fn arg_src(_1: i32) -> i32 {
+      debug x => _1;                       // in scope 0 at $DIR/copy_propagation_arg.rs:+0:12: +0:17
+      let mut _0: i32;                     // return place in scope 0 at $DIR/copy_propagation_arg.rs:+0:27: +0:30
+      let _2: i32;                         // in scope 0 at $DIR/copy_propagation_arg.rs:+1:9: +1:10
+      scope 1 {
+-         debug y => _2;                   // in scope 1 at $DIR/copy_propagation_arg.rs:+1:9: +1:10
++         debug y => _0;                   // in scope 1 at $DIR/copy_propagation_arg.rs:+1:9: +1:10
+      }
+  
+      bb0: {
+-         StorageLive(_2);                 // scope 0 at $DIR/copy_propagation_arg.rs:+1:9: +1:10
+-         _2 = _1;                         // scope 0 at $DIR/copy_propagation_arg.rs:+1:13: +1:14
++         nop;                             // scope 0 at $DIR/copy_propagation_arg.rs:+1:9: +1:10
++         _0 = _1;                         // scope 0 at $DIR/copy_propagation_arg.rs:+1:13: +1:14
+          _1 = const 123_i32;              // scope 1 at $DIR/copy_propagation_arg.rs:+2:5: +2:12
+-         _0 = _2;                         // scope 1 at $DIR/copy_propagation_arg.rs:+3:5: +3:6
+-         StorageDead(_2);                 // scope 0 at $DIR/copy_propagation_arg.rs:+4:1: +4:2
++         nop;                             // scope 1 at $DIR/copy_propagation_arg.rs:+3:5: +3:6
++         nop;                             // scope 0 at $DIR/copy_propagation_arg.rs:+4:1: +4:2
+          return;                          // scope 0 at $DIR/copy_propagation_arg.rs:+4:2: +4:2
+      }
+  }
+  
diff --git a/tests/mir-opt/dest-prop/copy_propagation_arg.bar.DestinationPropagation.panic-abort.diff b/tests/mir-opt/dest-prop/copy_propagation_arg.bar.DestinationPropagation.panic-abort.diff
new file mode 100644
index 00000000000..2e1bb2a79ec
--- /dev/null
+++ b/tests/mir-opt/dest-prop/copy_propagation_arg.bar.DestinationPropagation.panic-abort.diff
@@ -0,0 +1,32 @@
+- // MIR for `bar` before DestinationPropagation
++ // MIR for `bar` after DestinationPropagation
+  
+  fn bar(_1: u8) -> () {
+      debug x => _1;                       // in scope 0 at $DIR/copy_propagation_arg.rs:+0:8: +0:13
+      let mut _0: ();                      // return place in scope 0 at $DIR/copy_propagation_arg.rs:+0:19: +0:19
+      let _2: u8;                          // in scope 0 at $DIR/copy_propagation_arg.rs:+1:5: +1:13
+      let mut _3: u8;                      // in scope 0 at $DIR/copy_propagation_arg.rs:+1:11: +1:12
+  
+      bb0: {
+          StorageLive(_2);                 // scope 0 at $DIR/copy_propagation_arg.rs:+1:5: +1:13
+-         StorageLive(_3);                 // scope 0 at $DIR/copy_propagation_arg.rs:+1:11: +1:12
+-         _3 = _1;                         // scope 0 at $DIR/copy_propagation_arg.rs:+1:11: +1:12
+-         _2 = dummy(move _3) -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/copy_propagation_arg.rs:+1:5: +1:13
++         nop;                             // scope 0 at $DIR/copy_propagation_arg.rs:+1:11: +1:12
++         nop;                             // scope 0 at $DIR/copy_propagation_arg.rs:+1:11: +1:12
++         _2 = dummy(move _1) -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/copy_propagation_arg.rs:+1:5: +1:13
+                                           // mir::Constant
+                                           // + span: $DIR/copy_propagation_arg.rs:17:5: 17:10
+                                           // + literal: Const { ty: fn(u8) -> u8 {dummy}, val: Value(<ZST>) }
+      }
+  
+      bb1: {
+-         StorageDead(_3);                 // scope 0 at $DIR/copy_propagation_arg.rs:+1:12: +1:13
++         nop;                             // scope 0 at $DIR/copy_propagation_arg.rs:+1:12: +1:13
+          StorageDead(_2);                 // scope 0 at $DIR/copy_propagation_arg.rs:+1:13: +1:14
+          _1 = const 5_u8;                 // scope 0 at $DIR/copy_propagation_arg.rs:+2:5: +2:10
+          _0 = const ();                   // scope 0 at $DIR/copy_propagation_arg.rs:+0:19: +3:2
+          return;                          // scope 0 at $DIR/copy_propagation_arg.rs:+3:2: +3:2
+      }
+  }
+  
diff --git a/tests/mir-opt/dest-prop/copy_propagation_arg.bar.DestinationPropagation.diff b/tests/mir-opt/dest-prop/copy_propagation_arg.bar.DestinationPropagation.panic-unwind.diff
index a61e741f73d..a61e741f73d 100644
--- a/tests/mir-opt/dest-prop/copy_propagation_arg.bar.DestinationPropagation.diff
+++ b/tests/mir-opt/dest-prop/copy_propagation_arg.bar.DestinationPropagation.panic-unwind.diff
diff --git a/tests/mir-opt/dest-prop/copy_propagation_arg.baz.DestinationPropagation.diff b/tests/mir-opt/dest-prop/copy_propagation_arg.baz.DestinationPropagation.panic-abort.diff
index bc88787e64b..bc88787e64b 100644
--- a/tests/mir-opt/dest-prop/copy_propagation_arg.baz.DestinationPropagation.diff
+++ b/tests/mir-opt/dest-prop/copy_propagation_arg.baz.DestinationPropagation.panic-abort.diff
diff --git a/tests/mir-opt/dest-prop/copy_propagation_arg.baz.DestinationPropagation.panic-unwind.diff b/tests/mir-opt/dest-prop/copy_propagation_arg.baz.DestinationPropagation.panic-unwind.diff
new file mode 100644
index 00000000000..bc88787e64b
--- /dev/null
+++ b/tests/mir-opt/dest-prop/copy_propagation_arg.baz.DestinationPropagation.panic-unwind.diff
@@ -0,0 +1,22 @@
+- // MIR for `baz` before DestinationPropagation
++ // MIR for `baz` after DestinationPropagation
+  
+  fn baz(_1: i32) -> i32 {
+      debug x => _1;                       // in scope 0 at $DIR/copy_propagation_arg.rs:+0:8: +0:13
+      let mut _0: i32;                     // return place in scope 0 at $DIR/copy_propagation_arg.rs:+0:23: +0:26
+      let mut _2: i32;                     // in scope 0 at $DIR/copy_propagation_arg.rs:+2:9: +2:10
+  
+      bb0: {
+-         StorageLive(_2);                 // scope 0 at $DIR/copy_propagation_arg.rs:+2:9: +2:10
+-         _2 = _1;                         // scope 0 at $DIR/copy_propagation_arg.rs:+2:9: +2:10
+-         _1 = move _2;                    // scope 0 at $DIR/copy_propagation_arg.rs:+2:5: +2:10
+-         StorageDead(_2);                 // scope 0 at $DIR/copy_propagation_arg.rs:+2:9: +2:10
++         nop;                             // scope 0 at $DIR/copy_propagation_arg.rs:+2:9: +2:10
++         nop;                             // scope 0 at $DIR/copy_propagation_arg.rs:+2:9: +2:10
++         nop;                             // scope 0 at $DIR/copy_propagation_arg.rs:+2:5: +2:10
++         nop;                             // scope 0 at $DIR/copy_propagation_arg.rs:+2:9: +2:10
+          _0 = _1;                         // scope 0 at $DIR/copy_propagation_arg.rs:+3:5: +3:6
+          return;                          // scope 0 at $DIR/copy_propagation_arg.rs:+4:2: +4:2
+      }
+  }
+  
diff --git a/tests/mir-opt/dest-prop/copy_propagation_arg.foo.DestinationPropagation.panic-abort.diff b/tests/mir-opt/dest-prop/copy_propagation_arg.foo.DestinationPropagation.panic-abort.diff
new file mode 100644
index 00000000000..fce57a03592
--- /dev/null
+++ b/tests/mir-opt/dest-prop/copy_propagation_arg.foo.DestinationPropagation.panic-abort.diff
@@ -0,0 +1,32 @@
+- // MIR for `foo` before DestinationPropagation
++ // MIR for `foo` after DestinationPropagation
+  
+  fn foo(_1: u8) -> () {
+      debug x => _1;                       // in scope 0 at $DIR/copy_propagation_arg.rs:+0:8: +0:13
+      let mut _0: ();                      // return place in scope 0 at $DIR/copy_propagation_arg.rs:+0:19: +0:19
+      let mut _2: u8;                      // in scope 0 at $DIR/copy_propagation_arg.rs:+2:9: +2:17
+      let mut _3: u8;                      // in scope 0 at $DIR/copy_propagation_arg.rs:+2:15: +2:16
+  
+      bb0: {
+-         StorageLive(_2);                 // scope 0 at $DIR/copy_propagation_arg.rs:+2:9: +2:17
++         nop;                             // scope 0 at $DIR/copy_propagation_arg.rs:+2:9: +2:17
+          StorageLive(_3);                 // scope 0 at $DIR/copy_propagation_arg.rs:+2:15: +2:16
+          _3 = _1;                         // scope 0 at $DIR/copy_propagation_arg.rs:+2:15: +2:16
+-         _2 = dummy(move _3) -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/copy_propagation_arg.rs:+2:9: +2:17
++         _1 = dummy(move _3) -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/copy_propagation_arg.rs:+2:9: +2:17
+                                           // mir::Constant
+                                           // + span: $DIR/copy_propagation_arg.rs:12:9: 12:14
+                                           // + literal: Const { ty: fn(u8) -> u8 {dummy}, val: Value(<ZST>) }
+      }
+  
+      bb1: {
+          StorageDead(_3);                 // scope 0 at $DIR/copy_propagation_arg.rs:+2:16: +2:17
+-         _1 = move _2;                    // scope 0 at $DIR/copy_propagation_arg.rs:+2:5: +2:17
+-         StorageDead(_2);                 // scope 0 at $DIR/copy_propagation_arg.rs:+2:16: +2:17
++         nop;                             // scope 0 at $DIR/copy_propagation_arg.rs:+2:5: +2:17
++         nop;                             // scope 0 at $DIR/copy_propagation_arg.rs:+2:16: +2:17
+          _0 = const ();                   // scope 0 at $DIR/copy_propagation_arg.rs:+0:19: +3:2
+          return;                          // scope 0 at $DIR/copy_propagation_arg.rs:+3:2: +3:2
+      }
+  }
+  
diff --git a/tests/mir-opt/dest-prop/copy_propagation_arg.foo.DestinationPropagation.diff b/tests/mir-opt/dest-prop/copy_propagation_arg.foo.DestinationPropagation.panic-unwind.diff
index c7fbecac5c4..c7fbecac5c4 100644
--- a/tests/mir-opt/dest-prop/copy_propagation_arg.foo.DestinationPropagation.diff
+++ b/tests/mir-opt/dest-prop/copy_propagation_arg.foo.DestinationPropagation.panic-unwind.diff
diff --git a/tests/mir-opt/dest-prop/cycle.main.DestinationPropagation.panic-abort.diff b/tests/mir-opt/dest-prop/cycle.main.DestinationPropagation.panic-abort.diff
new file mode 100644
index 00000000000..35947cace29
--- /dev/null
+++ b/tests/mir-opt/dest-prop/cycle.main.DestinationPropagation.panic-abort.diff
@@ -0,0 +1,77 @@
+- // MIR for `main` before DestinationPropagation
++ // MIR for `main` after DestinationPropagation
+  
+  fn main() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/cycle.rs:+0:11: +0:11
+      let mut _1: i32;                     // in scope 0 at $DIR/cycle.rs:+1:9: +1:14
+      let mut _4: i32;                     // in scope 0 at $DIR/cycle.rs:+4:9: +4:10
+      let _5: ();                          // in scope 0 at $DIR/cycle.rs:+6:5: +6:12
+      let mut _6: i32;                     // in scope 0 at $DIR/cycle.rs:+6:10: +6:11
+      scope 1 {
+-         debug x => _1;                   // in scope 1 at $DIR/cycle.rs:+1:9: +1:14
++         debug x => _6;                   // in scope 1 at $DIR/cycle.rs:+1:9: +1:14
+          let _2: i32;                     // in scope 1 at $DIR/cycle.rs:+2:9: +2:10
+          scope 2 {
+-             debug y => _2;               // in scope 2 at $DIR/cycle.rs:+2:9: +2:10
++             debug y => _6;               // in scope 2 at $DIR/cycle.rs:+2:9: +2:10
+              let _3: i32;                 // in scope 2 at $DIR/cycle.rs:+3:9: +3:10
+              scope 3 {
+-                 debug z => _3;           // in scope 3 at $DIR/cycle.rs:+3:9: +3:10
++                 debug z => _6;           // in scope 3 at $DIR/cycle.rs:+3:9: +3:10
+              }
+          }
+      }
+  
+      bb0: {
+-         StorageLive(_1);                 // scope 0 at $DIR/cycle.rs:+1:9: +1:14
+-         _1 = val() -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/cycle.rs:+1:17: +1:22
++         nop;                             // scope 0 at $DIR/cycle.rs:+1:9: +1:14
++         _6 = val() -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/cycle.rs:+1:17: +1:22
+                                           // mir::Constant
+                                           // + span: $DIR/cycle.rs:10:17: 10:20
+                                           // + literal: Const { ty: fn() -> i32 {val}, val: Value(<ZST>) }
+      }
+  
+      bb1: {
+-         StorageLive(_2);                 // scope 1 at $DIR/cycle.rs:+2:9: +2:10
+-         _2 = _1;                         // scope 1 at $DIR/cycle.rs:+2:13: +2:14
+-         StorageLive(_3);                 // scope 2 at $DIR/cycle.rs:+3:9: +3:10
+-         _3 = _2;                         // scope 2 at $DIR/cycle.rs:+3:13: +3:14
+-         StorageLive(_4);                 // scope 3 at $DIR/cycle.rs:+4:9: +4:10
+-         _4 = _3;                         // scope 3 at $DIR/cycle.rs:+4:9: +4:10
+-         _1 = move _4;                    // scope 3 at $DIR/cycle.rs:+4:5: +4:10
+-         StorageDead(_4);                 // scope 3 at $DIR/cycle.rs:+4:9: +4:10
++         nop;                             // scope 1 at $DIR/cycle.rs:+2:9: +2:10
++         nop;                             // scope 1 at $DIR/cycle.rs:+2:13: +2:14
++         nop;                             // scope 2 at $DIR/cycle.rs:+3:9: +3:10
++         nop;                             // scope 2 at $DIR/cycle.rs:+3:13: +3:14
++         nop;                             // scope 3 at $DIR/cycle.rs:+4:9: +4:10
++         nop;                             // scope 3 at $DIR/cycle.rs:+4:9: +4:10
++         nop;                             // scope 3 at $DIR/cycle.rs:+4:5: +4:10
++         nop;                             // scope 3 at $DIR/cycle.rs:+4:9: +4:10
+          StorageLive(_5);                 // scope 3 at $DIR/cycle.rs:+6:5: +6:12
+-         StorageLive(_6);                 // scope 3 at $DIR/cycle.rs:+6:10: +6:11
+-         _6 = _1;                         // scope 3 at $DIR/cycle.rs:+6:10: +6:11
++         nop;                             // scope 3 at $DIR/cycle.rs:+6:10: +6:11
++         nop;                             // scope 3 at $DIR/cycle.rs:+6:10: +6:11
+          _5 = std::mem::drop::<i32>(move _6) -> [return: bb2, unwind unreachable]; // scope 3 at $DIR/cycle.rs:+6:5: +6:12
+                                           // mir::Constant
+                                           // + span: $DIR/cycle.rs:15:5: 15:9
+                                           // + literal: Const { ty: fn(i32) {std::mem::drop::<i32>}, val: Value(<ZST>) }
+      }
+  
+      bb2: {
+-         StorageDead(_6);                 // scope 3 at $DIR/cycle.rs:+6:11: +6:12
++         nop;                             // scope 3 at $DIR/cycle.rs:+6:11: +6:12
+          StorageDead(_5);                 // scope 3 at $DIR/cycle.rs:+6:12: +6:13
+          _0 = const ();                   // scope 0 at $DIR/cycle.rs:+0:11: +7:2
+-         StorageDead(_3);                 // scope 2 at $DIR/cycle.rs:+7:1: +7:2
+-         StorageDead(_2);                 // scope 1 at $DIR/cycle.rs:+7:1: +7:2
+-         StorageDead(_1);                 // scope 0 at $DIR/cycle.rs:+7:1: +7:2
++         nop;                             // scope 2 at $DIR/cycle.rs:+7:1: +7:2
++         nop;                             // scope 1 at $DIR/cycle.rs:+7:1: +7:2
++         nop;                             // scope 0 at $DIR/cycle.rs:+7:1: +7:2
+          return;                          // scope 0 at $DIR/cycle.rs:+7:2: +7:2
+      }
+  }
+  
diff --git a/tests/mir-opt/dest-prop/cycle.main.DestinationPropagation.diff b/tests/mir-opt/dest-prop/cycle.main.DestinationPropagation.panic-unwind.diff
index b06f069a2e4..b06f069a2e4 100644
--- a/tests/mir-opt/dest-prop/cycle.main.DestinationPropagation.diff
+++ b/tests/mir-opt/dest-prop/cycle.main.DestinationPropagation.panic-unwind.diff
diff --git a/tests/mir-opt/dest-prop/dead_stores_79191.f.DestinationPropagation.after.panic-abort.mir b/tests/mir-opt/dest-prop/dead_stores_79191.f.DestinationPropagation.after.panic-abort.mir
new file mode 100644
index 00000000000..5882e0aee10
--- /dev/null
+++ b/tests/mir-opt/dest-prop/dead_stores_79191.f.DestinationPropagation.after.panic-abort.mir
@@ -0,0 +1,34 @@
+// MIR for `f` after DestinationPropagation
+
+fn f(_1: usize) -> usize {
+    debug a => _1;                       // in scope 0 at $DIR/dead_stores_79191.rs:+0:6: +0:11
+    let mut _0: usize;                   // return place in scope 0 at $DIR/dead_stores_79191.rs:+0:23: +0:28
+    let _2: usize;                       // in scope 0 at $DIR/dead_stores_79191.rs:+1:9: +1:10
+    let mut _3: usize;                   // in scope 0 at $DIR/dead_stores_79191.rs:+3:9: +3:10
+    let mut _4: usize;                   // in scope 0 at $DIR/dead_stores_79191.rs:+4:8: +4:9
+    scope 1 {
+        debug b => _3;                   // in scope 1 at $DIR/dead_stores_79191.rs:+1:9: +1:10
+    }
+
+    bb0: {
+        nop;                             // scope 0 at $DIR/dead_stores_79191.rs:+1:9: +1:10
+        _3 = _1;                         // scope 0 at $DIR/dead_stores_79191.rs:+1:13: +1:14
+        _1 = const 5_usize;              // scope 1 at $DIR/dead_stores_79191.rs:+2:5: +2:10
+        nop;                             // scope 1 at $DIR/dead_stores_79191.rs:+3:9: +3:10
+        nop;                             // scope 1 at $DIR/dead_stores_79191.rs:+3:9: +3:10
+        _1 = move _3;                    // scope 1 at $DIR/dead_stores_79191.rs:+3:5: +3:10
+        nop;                             // scope 1 at $DIR/dead_stores_79191.rs:+3:9: +3:10
+        nop;                             // scope 1 at $DIR/dead_stores_79191.rs:+4:8: +4:9
+        nop;                             // scope 1 at $DIR/dead_stores_79191.rs:+4:8: +4:9
+        _0 = id::<usize>(move _1) -> [return: bb1, unwind unreachable]; // scope 1 at $DIR/dead_stores_79191.rs:+4:5: +4:10
+                                         // mir::Constant
+                                         // + span: $DIR/dead_stores_79191.rs:13:5: 13:7
+                                         // + literal: Const { ty: fn(usize) -> usize {id::<usize>}, val: Value(<ZST>) }
+    }
+
+    bb1: {
+        nop;                             // scope 1 at $DIR/dead_stores_79191.rs:+4:9: +4:10
+        nop;                             // scope 0 at $DIR/dead_stores_79191.rs:+5:1: +5:2
+        return;                          // scope 0 at $DIR/dead_stores_79191.rs:+5:2: +5:2
+    }
+}
diff --git a/tests/mir-opt/dest-prop/dead_stores_79191.f.DestinationPropagation.after.mir b/tests/mir-opt/dest-prop/dead_stores_79191.f.DestinationPropagation.after.panic-unwind.mir
index b9d4b59d2f7..b9d4b59d2f7 100644
--- a/tests/mir-opt/dest-prop/dead_stores_79191.f.DestinationPropagation.after.mir
+++ b/tests/mir-opt/dest-prop/dead_stores_79191.f.DestinationPropagation.after.panic-unwind.mir
diff --git a/tests/mir-opt/dest-prop/dead_stores_better.f.DestinationPropagation.after.panic-abort.mir b/tests/mir-opt/dest-prop/dead_stores_better.f.DestinationPropagation.after.panic-abort.mir
new file mode 100644
index 00000000000..f4568111d2e
--- /dev/null
+++ b/tests/mir-opt/dest-prop/dead_stores_better.f.DestinationPropagation.after.panic-abort.mir
@@ -0,0 +1,33 @@
+// MIR for `f` after DestinationPropagation
+
+fn f(_1: usize) -> usize {
+    debug a => _1;                       // in scope 0 at $DIR/dead_stores_better.rs:+0:10: +0:15
+    let mut _0: usize;                   // return place in scope 0 at $DIR/dead_stores_better.rs:+0:27: +0:32
+    let _2: usize;                       // in scope 0 at $DIR/dead_stores_better.rs:+1:9: +1:10
+    let mut _3: usize;                   // in scope 0 at $DIR/dead_stores_better.rs:+3:9: +3:10
+    let mut _4: usize;                   // in scope 0 at $DIR/dead_stores_better.rs:+4:8: +4:9
+    scope 1 {
+        debug b => _1;                   // in scope 1 at $DIR/dead_stores_better.rs:+1:9: +1:10
+    }
+
+    bb0: {
+        nop;                             // scope 0 at $DIR/dead_stores_better.rs:+1:9: +1:10
+        nop;                             // scope 0 at $DIR/dead_stores_better.rs:+1:13: +1:14
+        nop;                             // scope 1 at $DIR/dead_stores_better.rs:+3:9: +3:10
+        nop;                             // scope 1 at $DIR/dead_stores_better.rs:+3:9: +3:10
+        nop;                             // scope 1 at $DIR/dead_stores_better.rs:+3:5: +3:10
+        nop;                             // scope 1 at $DIR/dead_stores_better.rs:+3:9: +3:10
+        nop;                             // scope 1 at $DIR/dead_stores_better.rs:+4:8: +4:9
+        nop;                             // scope 1 at $DIR/dead_stores_better.rs:+4:8: +4:9
+        _0 = id::<usize>(move _1) -> [return: bb1, unwind unreachable]; // scope 1 at $DIR/dead_stores_better.rs:+4:5: +4:10
+                                         // mir::Constant
+                                         // + span: $DIR/dead_stores_better.rs:17:5: 17:7
+                                         // + literal: Const { ty: fn(usize) -> usize {id::<usize>}, val: Value(<ZST>) }
+    }
+
+    bb1: {
+        nop;                             // scope 1 at $DIR/dead_stores_better.rs:+4:9: +4:10
+        nop;                             // scope 0 at $DIR/dead_stores_better.rs:+5:1: +5:2
+        return;                          // scope 0 at $DIR/dead_stores_better.rs:+5:2: +5:2
+    }
+}
diff --git a/tests/mir-opt/dest-prop/dead_stores_better.f.DestinationPropagation.after.mir b/tests/mir-opt/dest-prop/dead_stores_better.f.DestinationPropagation.after.panic-unwind.mir
index 9eb0e09bf1b..9eb0e09bf1b 100644
--- a/tests/mir-opt/dest-prop/dead_stores_better.f.DestinationPropagation.after.mir
+++ b/tests/mir-opt/dest-prop/dead_stores_better.f.DestinationPropagation.after.panic-unwind.mir
diff --git a/tests/mir-opt/dest-prop/simple.nrvo.DestinationPropagation.panic-abort.diff b/tests/mir-opt/dest-prop/simple.nrvo.DestinationPropagation.panic-abort.diff
new file mode 100644
index 00000000000..0b0eb03b652
--- /dev/null
+++ b/tests/mir-opt/dest-prop/simple.nrvo.DestinationPropagation.panic-abort.diff
@@ -0,0 +1,43 @@
+- // MIR for `nrvo` before DestinationPropagation
++ // MIR for `nrvo` after DestinationPropagation
+  
+  fn nrvo(_1: for<'a> fn(&'a mut [u8; 1024])) -> [u8; 1024] {
+      debug init => _1;                    // in scope 0 at $DIR/simple.rs:+0:9: +0:13
+      let mut _0: [u8; 1024];              // return place in scope 0 at $DIR/simple.rs:+0:39: +0:49
+      let mut _2: [u8; 1024];              // in scope 0 at $DIR/simple.rs:+1:9: +1:16
+      let _3: ();                          // in scope 0 at $DIR/simple.rs:+2:5: +2:19
+      let mut _4: for<'a> fn(&'a mut [u8; 1024]); // in scope 0 at $DIR/simple.rs:+2:5: +2:9
+      let mut _5: &mut [u8; 1024];         // in scope 0 at $DIR/simple.rs:+2:10: +2:18
+      let mut _6: &mut [u8; 1024];         // in scope 0 at $DIR/simple.rs:+2:10: +2:18
+      scope 1 {
+          debug buf => _2;                 // in scope 1 at $DIR/simple.rs:+1:9: +1:16
+      }
+  
+      bb0: {
+          StorageLive(_2);                 // scope 0 at $DIR/simple.rs:+1:9: +1:16
+          _2 = [const 0_u8; 1024];         // scope 0 at $DIR/simple.rs:+1:19: +1:28
+          StorageLive(_3);                 // scope 1 at $DIR/simple.rs:+2:5: +2:19
+-         StorageLive(_4);                 // scope 1 at $DIR/simple.rs:+2:5: +2:9
+-         _4 = _1;                         // scope 1 at $DIR/simple.rs:+2:5: +2:9
++         nop;                             // scope 1 at $DIR/simple.rs:+2:5: +2:9
++         nop;                             // scope 1 at $DIR/simple.rs:+2:5: +2:9
+          StorageLive(_5);                 // scope 1 at $DIR/simple.rs:+2:10: +2:18
+          StorageLive(_6);                 // scope 1 at $DIR/simple.rs:+2:10: +2:18
+          _6 = &mut _2;                    // scope 1 at $DIR/simple.rs:+2:10: +2:18
+          _5 = &mut (*_6);                 // scope 1 at $DIR/simple.rs:+2:10: +2:18
+-         _3 = move _4(move _5) -> [return: bb1, unwind unreachable]; // scope 1 at $DIR/simple.rs:+2:5: +2:19
++         _3 = move _1(move _5) -> [return: bb1, unwind unreachable]; // scope 1 at $DIR/simple.rs:+2:5: +2:19
+      }
+  
+      bb1: {
+          StorageDead(_5);                 // scope 1 at $DIR/simple.rs:+2:18: +2:19
+-         StorageDead(_4);                 // scope 1 at $DIR/simple.rs:+2:18: +2:19
++         nop;                             // scope 1 at $DIR/simple.rs:+2:18: +2:19
+          StorageDead(_6);                 // scope 1 at $DIR/simple.rs:+2:19: +2:20
+          StorageDead(_3);                 // scope 1 at $DIR/simple.rs:+2:19: +2:20
+          _0 = _2;                         // scope 1 at $DIR/simple.rs:+3:5: +3:8
+          StorageDead(_2);                 // scope 0 at $DIR/simple.rs:+4:1: +4:2
+          return;                          // scope 0 at $DIR/simple.rs:+4:2: +4:2
+      }
+  }
+  
diff --git a/tests/mir-opt/dest-prop/simple.nrvo.DestinationPropagation.diff b/tests/mir-opt/dest-prop/simple.nrvo.DestinationPropagation.panic-unwind.diff
index c2a3a002584..c2a3a002584 100644
--- a/tests/mir-opt/dest-prop/simple.nrvo.DestinationPropagation.diff
+++ b/tests/mir-opt/dest-prop/simple.nrvo.DestinationPropagation.panic-unwind.diff
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
new file mode 100644
index 00000000000..61cdc26dcdc
--- /dev/null
+++ b/tests/mir-opt/dest-prop/union.main.DestinationPropagation.panic-abort.diff
@@ -0,0 +1,35 @@
+- // MIR for `main` before DestinationPropagation
++ // MIR for `main` after DestinationPropagation
+  
+  fn main() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/union.rs:+0:11: +0:11
+      let _1: main::Un;                    // in scope 0 at $DIR/union.rs:+5:9: +5:11
+      let mut _2: u32;                     // in scope 0 at $DIR/union.rs:+5:23: +5:28
+      let mut _3: u32;                     // in scope 0 at $DIR/union.rs:+7:10: +7:26
+      scope 1 {
+          debug un => _1;                  // in scope 1 at $DIR/union.rs:+5:9: +5:11
+          scope 2 {
+          }
+          scope 3 (inlined std::mem::drop::<u32>) { // at $DIR/union.rs:16:5: 16:27
+              debug _x => _3;              // in scope 3 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
+          }
+      }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/union.rs:+5:9: +5:11
+          StorageLive(_2);                 // scope 0 at $DIR/union.rs:+5:23: +5:28
+          _2 = val() -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/union.rs:+5:23: +5:28
+                                           // mir::Constant
+                                           // + span: $DIR/union.rs:14:23: 14:26
+                                           // + literal: Const { ty: fn() -> u32 {val}, val: Value(<ZST>) }
+      }
+  
+      bb1: {
+          StorageDead(_2);                 // scope 0 at $DIR/union.rs:+5:29: +5:30
+          StorageLive(_3);                 // scope 1 at $DIR/union.rs:+7:10: +7:26
+          StorageDead(_3);                 // scope 1 at $DIR/union.rs:+7:26: +7:27
+          StorageDead(_1);                 // scope 0 at $DIR/union.rs:+8:1: +8:2
+          return;                          // scope 0 at $DIR/union.rs:+8:2: +8:2
+      }
+  }
+  
diff --git a/tests/mir-opt/dest-prop/union.main.DestinationPropagation.diff b/tests/mir-opt/dest-prop/union.main.DestinationPropagation.panic-unwind.diff
index 457fc830874..457fc830874 100644
--- a/tests/mir-opt/dest-prop/union.main.DestinationPropagation.diff
+++ b/tests/mir-opt/dest-prop/union.main.DestinationPropagation.panic-unwind.diff
diff --git a/tests/mir-opt/dest-prop/unreachable.f.DestinationPropagation.panic-abort.diff b/tests/mir-opt/dest-prop/unreachable.f.DestinationPropagation.panic-abort.diff
new file mode 100644
index 00000000000..e8f0b25c59b
--- /dev/null
+++ b/tests/mir-opt/dest-prop/unreachable.f.DestinationPropagation.panic-abort.diff
@@ -0,0 +1,86 @@
+- // MIR for `f` before DestinationPropagation
++ // MIR for `f` after DestinationPropagation
+  
+  fn f(_1: T) -> () {
+      debug a => _1;                       // in scope 0 at $DIR/unreachable.rs:+0:19: +0:20
+      let mut _0: ();                      // return place in scope 0 at $DIR/unreachable.rs:+0:25: +0:25
+      let _2: T;                           // in scope 0 at $DIR/unreachable.rs:+1:9: +1:10
+      let mut _3: bool;                    // in scope 0 at $DIR/unreachable.rs:+2:8: +2:13
+      let _4: ();                          // in scope 0 at $DIR/unreachable.rs:+3:9: +3:16
+      let mut _5: T;                       // in scope 0 at $DIR/unreachable.rs:+3:11: +3:12
+      let mut _6: T;                       // in scope 0 at $DIR/unreachable.rs:+3:14: +3:15
+      let _7: ();                          // in scope 0 at $DIR/unreachable.rs:+5:9: +5:16
+      let mut _8: T;                       // in scope 0 at $DIR/unreachable.rs:+5:11: +5:12
+      let mut _9: T;                       // in scope 0 at $DIR/unreachable.rs:+5:14: +5:15
+      scope 1 {
+-         debug b => _2;                   // in scope 1 at $DIR/unreachable.rs:+1:9: +1:10
++         debug b => _1;                   // in scope 1 at $DIR/unreachable.rs:+1:9: +1:10
+      }
+  
+      bb0: {
+-         StorageLive(_2);                 // scope 0 at $DIR/unreachable.rs:+1:9: +1:10
+-         _2 = _1;                         // scope 0 at $DIR/unreachable.rs:+1:13: +1:14
++         nop;                             // scope 0 at $DIR/unreachable.rs:+1:9: +1:10
++         nop;                             // scope 0 at $DIR/unreachable.rs:+1:13: +1:14
+          StorageLive(_3);                 // scope 1 at $DIR/unreachable.rs:+2:8: +2:13
+          _3 = const false;                // scope 1 at $DIR/unreachable.rs:+2:8: +2:13
+-         goto -> bb3;                     // scope 1 at $DIR/unreachable.rs:+2:8: +2:13
++         goto -> bb1;                     // scope 1 at $DIR/unreachable.rs:+2:8: +2:13
+      }
+  
+      bb1: {
+-         StorageLive(_4);                 // scope 1 at $DIR/unreachable.rs:+3:9: +3:16
+-         StorageLive(_5);                 // scope 1 at $DIR/unreachable.rs:+3:11: +3:12
+-         _5 = _1;                         // scope 1 at $DIR/unreachable.rs:+3:11: +3:12
+-         StorageLive(_6);                 // scope 1 at $DIR/unreachable.rs:+3:14: +3:15
+-         _6 = _2;                         // scope 1 at $DIR/unreachable.rs:+3:14: +3:15
+-         _4 = g::<T>(move _5, move _6) -> [return: bb2, unwind unreachable]; // scope 1 at $DIR/unreachable.rs:+3:9: +3:16
+-                                          // mir::Constant
+-                                          // + span: $DIR/unreachable.rs:12:9: 12:10
+-                                          // + literal: Const { ty: fn(T, T) {g::<T>}, val: Value(<ZST>) }
+-     }
+- 
+-     bb2: {
+-         StorageDead(_6);                 // scope 1 at $DIR/unreachable.rs:+3:15: +3:16
+-         StorageDead(_5);                 // scope 1 at $DIR/unreachable.rs:+3:15: +3:16
+-         StorageDead(_4);                 // scope 1 at $DIR/unreachable.rs:+3:16: +3:17
+-         _0 = const ();                   // scope 1 at $DIR/unreachable.rs:+2:14: +4:6
+-         goto -> bb5;                     // scope 1 at $DIR/unreachable.rs:+2:5: +6:6
+-     }
+- 
+-     bb3: {
+          StorageLive(_7);                 // scope 1 at $DIR/unreachable.rs:+5:9: +5:16
+-         StorageLive(_8);                 // scope 1 at $DIR/unreachable.rs:+5:11: +5:12
+-         _8 = _2;                         // scope 1 at $DIR/unreachable.rs:+5:11: +5:12
++         nop;                             // scope 1 at $DIR/unreachable.rs:+5:11: +5:12
++         nop;                             // scope 1 at $DIR/unreachable.rs:+5:11: +5:12
+          StorageLive(_9);                 // scope 1 at $DIR/unreachable.rs:+5:14: +5:15
+-         _9 = _2;                         // scope 1 at $DIR/unreachable.rs:+5:14: +5:15
+-         _7 = g::<T>(move _8, move _9) -> [return: bb4, unwind unreachable]; // scope 1 at $DIR/unreachable.rs:+5:9: +5:16
++         _9 = _1;                         // scope 1 at $DIR/unreachable.rs:+5:14: +5:15
++         _7 = g::<T>(move _1, move _9) -> [return: bb2, unwind unreachable]; // scope 1 at $DIR/unreachable.rs:+5:9: +5:16
+                                           // mir::Constant
+                                           // + span: $DIR/unreachable.rs:14:9: 14:10
+                                           // + literal: Const { ty: fn(T, T) {g::<T>}, val: Value(<ZST>) }
+      }
+  
+-     bb4: {
++     bb2: {
+          StorageDead(_9);                 // scope 1 at $DIR/unreachable.rs:+5:15: +5:16
+-         StorageDead(_8);                 // scope 1 at $DIR/unreachable.rs:+5:15: +5:16
++         nop;                             // scope 1 at $DIR/unreachable.rs:+5:15: +5:16
+          StorageDead(_7);                 // scope 1 at $DIR/unreachable.rs:+5:16: +5:17
+          _0 = const ();                   // scope 1 at $DIR/unreachable.rs:+4:12: +6:6
+-         goto -> bb5;                     // scope 1 at $DIR/unreachable.rs:+2:5: +6:6
++         goto -> bb3;                     // scope 1 at $DIR/unreachable.rs:+2:5: +6:6
+      }
+  
+-     bb5: {
++     bb3: {
+          StorageDead(_3);                 // scope 1 at $DIR/unreachable.rs:+6:5: +6:6
+-         StorageDead(_2);                 // scope 0 at $DIR/unreachable.rs:+7:1: +7:2
++         nop;                             // scope 0 at $DIR/unreachable.rs:+7:1: +7:2
+          return;                          // scope 0 at $DIR/unreachable.rs:+7:2: +7:2
+      }
+  }
+  
diff --git a/tests/mir-opt/dest-prop/unreachable.f.DestinationPropagation.diff b/tests/mir-opt/dest-prop/unreachable.f.DestinationPropagation.panic-unwind.diff
index ae63d724d0a..ae63d724d0a 100644
--- a/tests/mir-opt/dest-prop/unreachable.f.DestinationPropagation.diff
+++ b/tests/mir-opt/dest-prop/unreachable.f.DestinationPropagation.panic-unwind.diff
diff --git a/tests/mir-opt/funky_arms.float_to_exponential_common.ConstProp.panic-abort.diff b/tests/mir-opt/funky_arms.float_to_exponential_common.ConstProp.panic-abort.diff
new file mode 100644
index 00000000000..a10c5a79019
--- /dev/null
+++ b/tests/mir-opt/funky_arms.float_to_exponential_common.ConstProp.panic-abort.diff
@@ -0,0 +1,129 @@
+- // MIR for `float_to_exponential_common` before ConstProp
++ // MIR for `float_to_exponential_common` after ConstProp
+  
+  fn float_to_exponential_common(_1: &mut Formatter<'_>, _2: &T, _3: bool) -> Result<(), std::fmt::Error> {
+      debug fmt => _1;                     // in scope 0 at $DIR/funky_arms.rs:+0:35: +0:38
+      debug num => _2;                     // in scope 0 at $DIR/funky_arms.rs:+0:60: +0:63
+      debug upper => _3;                   // in scope 0 at $DIR/funky_arms.rs:+0:69: +0:74
+      let mut _0: std::result::Result<(), std::fmt::Error>; // return place in scope 0 at $DIR/funky_arms.rs:+0:85: +0:91
+      let _4: bool;                        // in scope 0 at $DIR/funky_arms.rs:+4:9: +4:19
+      let mut _5: &std::fmt::Formatter<'_>; // in scope 0 at $DIR/funky_arms.rs:+4:22: +4:37
+      let mut _7: std::option::Option<usize>; // in scope 0 at $DIR/funky_arms.rs:+13:30: +13:45
+      let mut _8: &std::fmt::Formatter<'_>; // in scope 0 at $DIR/funky_arms.rs:+13:30: +13:45
+      let mut _9: isize;                   // in scope 0 at $DIR/funky_arms.rs:+13:12: +13:27
+      let mut _11: &mut std::fmt::Formatter<'_>; // in scope 0 at $DIR/funky_arms.rs:+15:43: +15:46
+      let mut _12: &T;                     // in scope 0 at $DIR/funky_arms.rs:+15:48: +15:51
+      let mut _13: core::num::flt2dec::Sign; // in scope 0 at $DIR/funky_arms.rs:+15:53: +15:57
+      let mut _14: u32;                    // in scope 0 at $DIR/funky_arms.rs:+15:59: +15:79
+      let mut _15: u32;                    // in scope 0 at $DIR/funky_arms.rs:+15:59: +15:75
+      let mut _16: usize;                  // in scope 0 at $DIR/funky_arms.rs:+15:59: +15:68
+      let mut _17: bool;                   // in scope 0 at $DIR/funky_arms.rs:+15:81: +15:86
+      let mut _18: &mut std::fmt::Formatter<'_>; // in scope 0 at $DIR/funky_arms.rs:+17:46: +17:49
+      let mut _19: &T;                     // in scope 0 at $DIR/funky_arms.rs:+17:51: +17:54
+      let mut _20: core::num::flt2dec::Sign; // in scope 0 at $DIR/funky_arms.rs:+17:56: +17:60
+      let mut _21: bool;                   // in scope 0 at $DIR/funky_arms.rs:+17:62: +17:67
+      scope 1 {
+          debug force_sign => _4;          // in scope 1 at $DIR/funky_arms.rs:+4:9: +4:19
+          let _6: core::num::flt2dec::Sign; // in scope 1 at $DIR/funky_arms.rs:+8:9: +8:13
+          scope 2 {
+              debug sign => _6;            // in scope 2 at $DIR/funky_arms.rs:+8:9: +8:13
+              scope 3 {
+                  debug precision => _10;  // in scope 3 at $DIR/funky_arms.rs:+13:17: +13:26
+                  let _10: usize;          // in scope 3 at $DIR/funky_arms.rs:+13:17: +13:26
+              }
+          }
+      }
+  
+      bb0: {
+          StorageLive(_4);                 // scope 0 at $DIR/funky_arms.rs:+4:9: +4:19
+          StorageLive(_5);                 // scope 0 at $DIR/funky_arms.rs:+4:22: +4:37
+          _5 = &(*_1);                     // scope 0 at $DIR/funky_arms.rs:+4:22: +4:37
+          _4 = Formatter::<'_>::sign_plus(move _5) -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/funky_arms.rs:+4:22: +4:37
+                                           // mir::Constant
+                                           // + span: $DIR/funky_arms.rs:16:26: 16:35
+                                           // + literal: Const { ty: for<'a> fn(&'a Formatter<'_>) -> bool {Formatter::<'_>::sign_plus}, val: Value(<ZST>) }
+      }
+  
+      bb1: {
+          StorageDead(_5);                 // scope 0 at $DIR/funky_arms.rs:+4:36: +4:37
+          StorageLive(_6);                 // scope 1 at $DIR/funky_arms.rs:+8:9: +8:13
+          switchInt(_4) -> [0: bb3, otherwise: bb2]; // scope 1 at $DIR/funky_arms.rs:+8:16: +8:32
+      }
+  
+      bb2: {
+-         _6 = MinusPlus;                  // scope 1 at $DIR/funky_arms.rs:+10:17: +10:41
++         _6 = const MinusPlus;            // scope 1 at $DIR/funky_arms.rs:+10:17: +10:41
++                                          // mir::Constant
++                                          // + span: no-location
++                                          // + literal: Const { ty: Sign, val: Value(Scalar(0x01)) }
+          goto -> bb4;                     // scope 1 at $DIR/funky_arms.rs:+10:17: +10:41
+      }
+  
+      bb3: {
+-         _6 = Minus;                      // scope 1 at $DIR/funky_arms.rs:+9:18: +9:38
++         _6 = const Minus;                // scope 1 at $DIR/funky_arms.rs:+9:18: +9:38
++                                          // mir::Constant
++                                          // + span: no-location
++                                          // + literal: Const { ty: Sign, val: Value(Scalar(0x00)) }
+          goto -> bb4;                     // scope 1 at $DIR/funky_arms.rs:+9:18: +9:38
+      }
+  
+      bb4: {
+          StorageLive(_7);                 // scope 3 at $DIR/funky_arms.rs:+13:30: +13:45
+          StorageLive(_8);                 // scope 3 at $DIR/funky_arms.rs:+13:30: +13:45
+          _8 = &(*_1);                     // scope 3 at $DIR/funky_arms.rs:+13:30: +13:45
+          _7 = Formatter::<'_>::precision(move _8) -> [return: bb5, unwind unreachable]; // scope 3 at $DIR/funky_arms.rs:+13:30: +13:45
+                                           // mir::Constant
+                                           // + span: $DIR/funky_arms.rs:25:34: 25:43
+                                           // + literal: Const { ty: for<'a> fn(&'a Formatter<'_>) -> Option<usize> {Formatter::<'_>::precision}, val: Value(<ZST>) }
+      }
+  
+      bb5: {
+          StorageDead(_8);                 // scope 3 at $DIR/funky_arms.rs:+13:44: +13:45
+          _9 = discriminant(_7);           // scope 3 at $DIR/funky_arms.rs:+13:12: +13:27
+          switchInt(move _9) -> [1: bb6, otherwise: bb8]; // scope 3 at $DIR/funky_arms.rs:+13:12: +13:27
+      }
+  
+      bb6: {
+          _10 = ((_7 as Some).0: usize);   // scope 3 at $DIR/funky_arms.rs:+13:17: +13:26
+          StorageLive(_13);                // scope 3 at $DIR/funky_arms.rs:+15:53: +15:57
+          _13 = _6;                        // scope 3 at $DIR/funky_arms.rs:+15:53: +15:57
+          StorageLive(_14);                // scope 3 at $DIR/funky_arms.rs:+15:59: +15:79
+          StorageLive(_15);                // scope 3 at $DIR/funky_arms.rs:+15:59: +15:75
+          _15 = _10 as u32 (IntToInt);     // scope 3 at $DIR/funky_arms.rs:+15:59: +15:75
+          _14 = Add(move _15, const 1_u32); // scope 3 at $DIR/funky_arms.rs:+15:59: +15:79
+          StorageDead(_15);                // scope 3 at $DIR/funky_arms.rs:+15:78: +15:79
+          _0 = float_to_exponential_common_exact::<T>(_1, _2, move _13, move _14, _3) -> [return: bb7, unwind unreachable]; // scope 3 at $DIR/funky_arms.rs:+15:9: +15:87
+                                           // mir::Constant
+                                           // + span: $DIR/funky_arms.rs:27:9: 27:42
+                                           // + literal: Const { ty: for<'a, 'b, 'c> fn(&'a mut Formatter<'b>, &'c T, Sign, u32, bool) -> Result<(), std::fmt::Error> {float_to_exponential_common_exact::<T>}, val: Value(<ZST>) }
+      }
+  
+      bb7: {
+          StorageDead(_14);                // scope 3 at $DIR/funky_arms.rs:+15:86: +15:87
+          StorageDead(_13);                // scope 3 at $DIR/funky_arms.rs:+15:86: +15:87
+          goto -> bb10;                    // scope 2 at $DIR/funky_arms.rs:+13:5: +18:6
+      }
+  
+      bb8: {
+          StorageLive(_20);                // scope 2 at $DIR/funky_arms.rs:+17:56: +17:60
+          _20 = _6;                        // scope 2 at $DIR/funky_arms.rs:+17:56: +17:60
+          _0 = float_to_exponential_common_shortest::<T>(_1, _2, move _20, _3) -> [return: bb9, unwind unreachable]; // scope 2 at $DIR/funky_arms.rs:+17:9: +17:68
+                                           // mir::Constant
+                                           // + span: $DIR/funky_arms.rs:29:9: 29:45
+                                           // + literal: Const { ty: for<'a, 'b, 'c> fn(&'a mut Formatter<'b>, &'c T, Sign, bool) -> Result<(), std::fmt::Error> {float_to_exponential_common_shortest::<T>}, val: Value(<ZST>) }
+      }
+  
+      bb9: {
+          StorageDead(_20);                // scope 2 at $DIR/funky_arms.rs:+17:67: +17:68
+          goto -> bb10;                    // scope 2 at $DIR/funky_arms.rs:+13:5: +18:6
+      }
+  
+      bb10: {
+          StorageDead(_6);                 // scope 1 at $DIR/funky_arms.rs:+19:1: +19:2
+          StorageDead(_4);                 // scope 0 at $DIR/funky_arms.rs:+19:1: +19:2
+          StorageDead(_7);                 // scope 0 at $DIR/funky_arms.rs:+19:1: +19:2
+          return;                          // scope 0 at $DIR/funky_arms.rs:+19:2: +19:2
+      }
+  }
+  
diff --git a/tests/mir-opt/funky_arms.float_to_exponential_common.ConstProp.diff b/tests/mir-opt/funky_arms.float_to_exponential_common.ConstProp.panic-unwind.diff
index 8a4a1682519..8a4a1682519 100644
--- a/tests/mir-opt/funky_arms.float_to_exponential_common.ConstProp.diff
+++ b/tests/mir-opt/funky_arms.float_to_exponential_common.ConstProp.panic-unwind.diff
diff --git a/tests/mir-opt/generator_drop_cleanup.main-{closure#0}.generator_drop.0.panic-abort.mir b/tests/mir-opt/generator_drop_cleanup.main-{closure#0}.generator_drop.0.panic-abort.mir
new file mode 100644
index 00000000000..16e8c2a8e58
--- /dev/null
+++ b/tests/mir-opt/generator_drop_cleanup.main-{closure#0}.generator_drop.0.panic-abort.mir
@@ -0,0 +1,82 @@
+// MIR for `main::{closure#0}` 0 generator_drop
+/* generator_layout = GeneratorLayout {
+    field_tys: {
+        _0: GeneratorSavedTy {
+            ty: std::string::String,
+            source_info: SourceInfo {
+                span: $DIR/generator_drop_cleanup.rs:11:13: 11:15 (#0),
+                scope: scope[0],
+            },
+            ignore_for_traits: false,
+        },
+    },
+    variant_fields: {
+        Unresumed(0): [],
+        Returned (1): [],
+        Panicked (2): [],
+        Suspend0 (3): [_0],
+    },
+    storage_conflicts: BitMatrix(1x1) {
+        (_0, _0),
+    },
+} */
+
+fn main::{closure#0}(_1: *mut [generator@$DIR/generator_drop_cleanup.rs:10:15: 10:17]) -> () {
+    let mut _0: ();                      // return place in scope 0 at $DIR/generator_drop_cleanup.rs:+0:15: +3:6
+    let mut _2: ();                      // in scope 0 at $DIR/generator_drop_cleanup.rs:+0:15: +3:6
+    let _3: std::string::String;         // in scope 0 at $DIR/generator_drop_cleanup.rs:+1:13: +1:15
+    let _4: ();                          // in scope 0 at $DIR/generator_drop_cleanup.rs:+2:9: +2:14
+    let mut _5: ();                      // in scope 0 at $DIR/generator_drop_cleanup.rs:+2:9: +2:14
+    let mut _6: ();                      // in scope 0 at $DIR/generator_drop_cleanup.rs:+0:18: +0:18
+    let mut _7: ();                      // in scope 0 at $DIR/generator_drop_cleanup.rs:+0:15: +3:6
+    let mut _8: u32;                     // in scope 0 at $DIR/generator_drop_cleanup.rs:+0:15: +3:6
+    scope 1 {
+        debug _s => (((*_1) as variant#3).0: std::string::String); // in scope 1 at $DIR/generator_drop_cleanup.rs:+1:13: +1:15
+    }
+
+    bb0: {
+        _8 = discriminant((*_1));        // scope 0 at $DIR/generator_drop_cleanup.rs:+0:15: +3:6
+        switchInt(move _8) -> [0: bb5, 3: bb8, otherwise: bb9]; // scope 0 at $DIR/generator_drop_cleanup.rs:+0:15: +3:6
+    }
+
+    bb1: {
+        StorageDead(_5);                 // scope 1 at $DIR/generator_drop_cleanup.rs:+2:13: +2:14
+        StorageDead(_4);                 // scope 1 at $DIR/generator_drop_cleanup.rs:+2:14: +2:15
+        drop((((*_1) as variant#3).0: std::string::String)) -> [return: bb2, unwind unreachable]; // scope 0 at $DIR/generator_drop_cleanup.rs:+3:5: +3:6
+    }
+
+    bb2: {
+        nop;                             // scope 0 at $DIR/generator_drop_cleanup.rs:+3:5: +3:6
+        goto -> bb6;                     // scope 0 at $DIR/generator_drop_cleanup.rs:+3:5: +3:6
+    }
+
+    bb3: {
+        return;                          // scope 0 at $DIR/generator_drop_cleanup.rs:+0:15: +3:6
+    }
+
+    bb4: {
+        return;                          // scope 0 at $DIR/generator_drop_cleanup.rs:+0:15: +3:6
+    }
+
+    bb5: {
+        goto -> bb7;                     // scope 0 at $DIR/generator_drop_cleanup.rs:+0:15: +3:6
+    }
+
+    bb6: {
+        goto -> bb3;                     // scope 0 at $DIR/generator_drop_cleanup.rs:+3:5: +3:6
+    }
+
+    bb7: {
+        goto -> bb4;                     // scope 0 at $DIR/generator_drop_cleanup.rs:+0:15: +3:6
+    }
+
+    bb8: {
+        StorageLive(_4);                 // scope 0 at $DIR/generator_drop_cleanup.rs:+0:15: +3:6
+        StorageLive(_5);                 // scope 0 at $DIR/generator_drop_cleanup.rs:+0:15: +3:6
+        goto -> bb1;                     // scope 0 at $DIR/generator_drop_cleanup.rs:+0:15: +3:6
+    }
+
+    bb9: {
+        return;                          // scope 0 at $DIR/generator_drop_cleanup.rs:+0:15: +3:6
+    }
+}
diff --git a/tests/mir-opt/generator_drop_cleanup.main-{closure#0}.generator_drop.0.mir b/tests/mir-opt/generator_drop_cleanup.main-{closure#0}.generator_drop.0.panic-unwind.mir
index afe51864214..afe51864214 100644
--- a/tests/mir-opt/generator_drop_cleanup.main-{closure#0}.generator_drop.0.mir
+++ b/tests/mir-opt/generator_drop_cleanup.main-{closure#0}.generator_drop.0.panic-unwind.mir
diff --git a/tests/mir-opt/generator_storage_dead_unwind.main-{closure#0}.StateTransform.before.panic-abort.mir b/tests/mir-opt/generator_storage_dead_unwind.main-{closure#0}.StateTransform.before.panic-abort.mir
new file mode 100644
index 00000000000..5b24dd4602f
--- /dev/null
+++ b/tests/mir-opt/generator_storage_dead_unwind.main-{closure#0}.StateTransform.before.panic-abort.mir
@@ -0,0 +1,89 @@
+// MIR for `main::{closure#0}` before StateTransform
+
+fn main::{closure#0}(_1: [generator@$DIR/generator_storage_dead_unwind.rs:22:16: 22:18], _2: ()) -> ()
+yields ()
+ {
+    let mut _0: ();                      // return place in scope 0 at $DIR/generator_storage_dead_unwind.rs:+0:19: +0:19
+    let _3: Foo;                         // in scope 0 at $DIR/generator_storage_dead_unwind.rs:+1:13: +1:14
+    let _5: ();                          // in scope 0 at $DIR/generator_storage_dead_unwind.rs:+3:9: +3:14
+    let mut _6: ();                      // in scope 0 at $DIR/generator_storage_dead_unwind.rs:+3:9: +3:14
+    let _7: ();                          // in scope 0 at $DIR/generator_storage_dead_unwind.rs:+4:9: +4:16
+    let mut _8: Foo;                     // in scope 0 at $DIR/generator_storage_dead_unwind.rs:+4:14: +4:15
+    let _9: ();                          // in scope 0 at $DIR/generator_storage_dead_unwind.rs:+5:9: +5:16
+    let mut _10: Bar;                    // in scope 0 at $DIR/generator_storage_dead_unwind.rs:+5:14: +5:15
+    scope 1 {
+        debug a => _3;                   // in scope 1 at $DIR/generator_storage_dead_unwind.rs:+1:13: +1:14
+        let _4: Bar;                     // in scope 1 at $DIR/generator_storage_dead_unwind.rs:+2:13: +2:14
+        scope 2 {
+            debug b => _4;               // in scope 2 at $DIR/generator_storage_dead_unwind.rs:+2:13: +2:14
+        }
+    }
+
+    bb0: {
+        StorageLive(_3);                 // scope 0 at $DIR/generator_storage_dead_unwind.rs:+1:13: +1:14
+        _3 = Foo(const 5_i32);           // scope 0 at $DIR/generator_storage_dead_unwind.rs:+1:17: +1:23
+        StorageLive(_4);                 // scope 1 at $DIR/generator_storage_dead_unwind.rs:+2:13: +2:14
+        _4 = Bar(const 6_i32);           // scope 1 at $DIR/generator_storage_dead_unwind.rs:+2:17: +2:23
+        StorageLive(_5);                 // scope 2 at $DIR/generator_storage_dead_unwind.rs:+3:9: +3:14
+        StorageLive(_6);                 // scope 2 at $DIR/generator_storage_dead_unwind.rs:+3:9: +3:14
+        _6 = ();                         // scope 2 at $DIR/generator_storage_dead_unwind.rs:+3:9: +3:14
+        _5 = yield(move _6) -> [resume: bb1, drop: bb6]; // scope 2 at $DIR/generator_storage_dead_unwind.rs:+3:9: +3:14
+    }
+
+    bb1: {
+        StorageDead(_6);                 // scope 2 at $DIR/generator_storage_dead_unwind.rs:+3:13: +3:14
+        StorageDead(_5);                 // scope 2 at $DIR/generator_storage_dead_unwind.rs:+3:14: +3:15
+        StorageLive(_7);                 // scope 2 at $DIR/generator_storage_dead_unwind.rs:+4:9: +4:16
+        StorageLive(_8);                 // scope 2 at $DIR/generator_storage_dead_unwind.rs:+4:14: +4:15
+        _8 = move _3;                    // scope 2 at $DIR/generator_storage_dead_unwind.rs:+4:14: +4:15
+        _7 = take::<Foo>(move _8) -> [return: bb2, unwind unreachable]; // scope 2 at $DIR/generator_storage_dead_unwind.rs:+4:9: +4:16
+                                         // mir::Constant
+                                         // + span: $DIR/generator_storage_dead_unwind.rs:26:9: 26:13
+                                         // + literal: Const { ty: fn(Foo) {take::<Foo>}, val: Value(<ZST>) }
+    }
+
+    bb2: {
+        StorageDead(_8);                 // scope 2 at $DIR/generator_storage_dead_unwind.rs:+4:15: +4:16
+        StorageDead(_7);                 // scope 2 at $DIR/generator_storage_dead_unwind.rs:+4:16: +4:17
+        StorageLive(_9);                 // scope 2 at $DIR/generator_storage_dead_unwind.rs:+5:9: +5:16
+        StorageLive(_10);                // scope 2 at $DIR/generator_storage_dead_unwind.rs:+5:14: +5:15
+        _10 = move _4;                   // scope 2 at $DIR/generator_storage_dead_unwind.rs:+5:14: +5:15
+        _9 = take::<Bar>(move _10) -> [return: bb3, unwind unreachable]; // scope 2 at $DIR/generator_storage_dead_unwind.rs:+5:9: +5:16
+                                         // mir::Constant
+                                         // + span: $DIR/generator_storage_dead_unwind.rs:27:9: 27:13
+                                         // + literal: Const { ty: fn(Bar) {take::<Bar>}, val: Value(<ZST>) }
+    }
+
+    bb3: {
+        StorageDead(_10);                // scope 2 at $DIR/generator_storage_dead_unwind.rs:+5:15: +5:16
+        StorageDead(_9);                 // scope 2 at $DIR/generator_storage_dead_unwind.rs:+5:16: +5:17
+        _0 = const ();                   // scope 0 at $DIR/generator_storage_dead_unwind.rs:+0:19: +6:6
+        StorageDead(_4);                 // scope 1 at $DIR/generator_storage_dead_unwind.rs:+6:5: +6:6
+        goto -> bb4;                     // scope 0 at $DIR/generator_storage_dead_unwind.rs:+6:5: +6:6
+    }
+
+    bb4: {
+        StorageDead(_3);                 // scope 0 at $DIR/generator_storage_dead_unwind.rs:+6:5: +6:6
+        drop(_1) -> [return: bb5, unwind unreachable]; // scope 0 at $DIR/generator_storage_dead_unwind.rs:+6:5: +6:6
+    }
+
+    bb5: {
+        return;                          // scope 0 at $DIR/generator_storage_dead_unwind.rs:+6:6: +6:6
+    }
+
+    bb6: {
+        StorageDead(_6);                 // scope 2 at $DIR/generator_storage_dead_unwind.rs:+3:13: +3:14
+        StorageDead(_5);                 // scope 2 at $DIR/generator_storage_dead_unwind.rs:+3:14: +3:15
+        StorageDead(_4);                 // scope 1 at $DIR/generator_storage_dead_unwind.rs:+6:5: +6:6
+        drop(_3) -> [return: bb7, unwind unreachable]; // scope 0 at $DIR/generator_storage_dead_unwind.rs:+6:5: +6:6
+    }
+
+    bb7: {
+        StorageDead(_3);                 // scope 0 at $DIR/generator_storage_dead_unwind.rs:+6:5: +6:6
+        drop(_1) -> [return: bb8, unwind unreachable]; // scope 0 at $DIR/generator_storage_dead_unwind.rs:+6:5: +6:6
+    }
+
+    bb8: {
+        generator_drop;                  // scope 0 at $DIR/generator_storage_dead_unwind.rs:+0:16: +6:6
+    }
+}
diff --git a/tests/mir-opt/generator_storage_dead_unwind.main-{closure#0}.StateTransform.before.mir b/tests/mir-opt/generator_storage_dead_unwind.main-{closure#0}.StateTransform.before.panic-unwind.mir
index 32b472ebeeb..32b472ebeeb 100644
--- a/tests/mir-opt/generator_storage_dead_unwind.main-{closure#0}.StateTransform.before.mir
+++ b/tests/mir-opt/generator_storage_dead_unwind.main-{closure#0}.StateTransform.before.panic-unwind.mir
diff --git a/tests/mir-opt/inline/asm_unwind.main.Inline.panic-abort.diff b/tests/mir-opt/inline/asm_unwind.main.Inline.panic-abort.diff
new file mode 100644
index 00000000000..8c68e215e4a
--- /dev/null
+++ b/tests/mir-opt/inline/asm_unwind.main.Inline.panic-abort.diff
@@ -0,0 +1,37 @@
+- // MIR for `main` before Inline
++ // MIR for `main` after Inline
+  
+  fn main() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/asm_unwind.rs:+0:15: +0:15
+      let _1: ();                          // in scope 0 at $DIR/asm_unwind.rs:+1:5: +1:10
++     scope 1 (inlined foo) {              // at $DIR/asm_unwind.rs:21:5: 21:10
++         let _2: D;                       // in scope 1 at $DIR/asm_unwind.rs:15:9: 15:11
++         scope 2 {
++             debug _d => const D;         // in scope 2 at $DIR/asm_unwind.rs:15:9: 15:11
++             scope 3 {
++             }
++         }
++     }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/asm_unwind.rs:+1:5: +1:10
+-         _1 = foo() -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/asm_unwind.rs:+1:5: +1:10
+-                                          // mir::Constant
+-                                          // + span: $DIR/asm_unwind.rs:21:5: 21:8
+-                                          // + literal: Const { ty: fn() {foo}, val: Value(<ZST>) }
++         StorageLive(_2);                 // scope 0 at $DIR/asm_unwind.rs:+1:5: +1:10
++         asm!("", options(MAY_UNWIND)) -> [return: bb2, unwind terminate]; // scope 3 at $DIR/asm_unwind.rs:16:14: 16:54
+      }
+  
+      bb1: {
++         StorageDead(_2);                 // scope 0 at $DIR/asm_unwind.rs:+1:5: +1:10
+          StorageDead(_1);                 // scope 0 at $DIR/asm_unwind.rs:+1:10: +1:11
+          _0 = const ();                   // scope 0 at $DIR/asm_unwind.rs:+0:15: +2:2
+          return;                          // scope 0 at $DIR/asm_unwind.rs:+2:2: +2:2
++     }
++ 
++     bb2: {
++         drop(_2) -> [return: bb1, unwind unreachable]; // scope 1 at $DIR/asm_unwind.rs:17:1: 17:2
+      }
+  }
+  
diff --git a/tests/mir-opt/inline/asm_unwind.main.Inline.diff b/tests/mir-opt/inline/asm_unwind.main.Inline.panic-unwind.diff
index ba1bfec05d2..ba1bfec05d2 100644
--- a/tests/mir-opt/inline/asm_unwind.main.Inline.diff
+++ b/tests/mir-opt/inline/asm_unwind.main.Inline.panic-unwind.diff
diff --git a/tests/mir-opt/inline/caller_with_trivial_bound.foo.Inline.diff b/tests/mir-opt/inline/caller_with_trivial_bound.foo.Inline.panic-unwind.diff
index 8b03006782b..8b03006782b 100644
--- a/tests/mir-opt/inline/caller_with_trivial_bound.foo.Inline.diff
+++ b/tests/mir-opt/inline/caller_with_trivial_bound.foo.Inline.panic-unwind.diff
diff --git a/tests/mir-opt/inline/cycle.f.Inline.panic-abort.diff b/tests/mir-opt/inline/cycle.f.Inline.panic-abort.diff
new file mode 100644
index 00000000000..a4cb48e66c1
--- /dev/null
+++ b/tests/mir-opt/inline/cycle.f.Inline.panic-abort.diff
@@ -0,0 +1,35 @@
+- // MIR for `f` before Inline
++ // MIR for `f` after Inline
+  
+  fn f(_1: impl Fn()) -> () {
+      debug g => _1;                       // in scope 0 at $DIR/cycle.rs:+0:6: +0:7
+      let mut _0: ();                      // return place in scope 0 at $DIR/cycle.rs:+0:20: +0:20
+      let _2: ();                          // in scope 0 at $DIR/cycle.rs:+1:5: +1:8
+      let mut _3: &impl Fn();              // in scope 0 at $DIR/cycle.rs:+1:5: +1:6
+      let mut _4: ();                      // in scope 0 at $DIR/cycle.rs:+1:5: +1:8
+  
+      bb0: {
+          StorageLive(_2);                 // scope 0 at $DIR/cycle.rs:+1:5: +1:8
+          StorageLive(_3);                 // scope 0 at $DIR/cycle.rs:+1:5: +1:6
+          _3 = &_1;                        // scope 0 at $DIR/cycle.rs:+1:5: +1:6
+          StorageLive(_4);                 // scope 0 at $DIR/cycle.rs:+1:5: +1:8
+          _4 = ();                         // scope 0 at $DIR/cycle.rs:+1:5: +1:8
+          _2 = <impl Fn() as Fn<()>>::call(move _3, move _4) -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/cycle.rs:+1:5: +1:8
+                                           // mir::Constant
+                                           // + span: $DIR/cycle.rs:6:5: 6:6
+                                           // + literal: Const { ty: for<'a> extern "rust-call" fn(&'a impl Fn(), ()) -> <impl Fn() as FnOnce<()>>::Output {<impl Fn() as Fn<()>>::call}, val: Value(<ZST>) }
+      }
+  
+      bb1: {
+          StorageDead(_4);                 // scope 0 at $DIR/cycle.rs:+1:7: +1:8
+          StorageDead(_3);                 // scope 0 at $DIR/cycle.rs:+1:7: +1:8
+          StorageDead(_2);                 // scope 0 at $DIR/cycle.rs:+1:8: +1:9
+          _0 = const ();                   // scope 0 at $DIR/cycle.rs:+0:20: +2:2
+          drop(_1) -> [return: bb2, unwind unreachable]; // scope 0 at $DIR/cycle.rs:+2:1: +2:2
+      }
+  
+      bb2: {
+          return;                          // scope 0 at $DIR/cycle.rs:+2:2: +2:2
+      }
+  }
+  
diff --git a/tests/mir-opt/inline/cycle.f.Inline.diff b/tests/mir-opt/inline/cycle.f.Inline.panic-unwind.diff
index 8da59757743..8da59757743 100644
--- a/tests/mir-opt/inline/cycle.f.Inline.diff
+++ b/tests/mir-opt/inline/cycle.f.Inline.panic-unwind.diff
diff --git a/tests/mir-opt/inline/cycle.g.Inline.panic-abort.diff b/tests/mir-opt/inline/cycle.g.Inline.panic-abort.diff
new file mode 100644
index 00000000000..faa0b120ed5
--- /dev/null
+++ b/tests/mir-opt/inline/cycle.g.Inline.panic-abort.diff
@@ -0,0 +1,50 @@
+- // MIR for `g` before Inline
++ // MIR for `g` after Inline
+  
+  fn g() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/cycle.rs:+0:8: +0:8
+      let _1: ();                          // in scope 0 at $DIR/cycle.rs:+1:5: +1:12
++     let mut _2: fn() {main};             // in scope 0 at $DIR/cycle.rs:+1:5: +1:12
++     let mut _5: ();                      // in scope 0 at $DIR/cycle.rs:6:5: 6:8
++     scope 1 (inlined f::<fn() {main}>) { // at $DIR/cycle.rs:12:5: 12:12
++         debug g => _2;                   // in scope 1 at $DIR/cycle.rs:5:6: 5:7
++         let mut _3: &fn() {main};        // in scope 1 at $DIR/cycle.rs:6:5: 6:6
++         let _4: ();                      // in scope 1 at $DIR/cycle.rs:6:5: 6:8
++         scope 2 (inlined <fn() {main} as Fn<()>>::call - shim(fn() {main})) { // at $DIR/cycle.rs:6:5: 6:8
++         }
++     }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/cycle.rs:+1:5: +1:12
+-         _1 = f::<fn() {main}>(main) -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/cycle.rs:+1:5: +1:12
++         StorageLive(_2);                 // scope 0 at $DIR/cycle.rs:+1:5: +1:12
++         _2 = main;                       // scope 0 at $DIR/cycle.rs:+1:5: +1:12
+                                           // mir::Constant
+-                                          // + span: $DIR/cycle.rs:12:5: 12:6
+-                                          // + literal: Const { ty: fn(fn() {main}) {f::<fn() {main}>}, val: Value(<ZST>) }
+-                                          // mir::Constant
+                                           // + span: $DIR/cycle.rs:12:7: 12:11
+                                           // + literal: Const { ty: fn() {main}, val: Value(<ZST>) }
++         StorageLive(_4);                 // scope 0 at $DIR/cycle.rs:+1:5: +1:12
++         StorageLive(_3);                 // scope 1 at $DIR/cycle.rs:6:5: 6:6
++         _3 = &_2;                        // scope 1 at $DIR/cycle.rs:6:5: 6:6
++         StorageLive(_5);                 // scope 1 at $DIR/cycle.rs:6:5: 6:8
++         _5 = const ();                   // scope 1 at $DIR/cycle.rs:6:5: 6:8
++         _4 = move (*_3)() -> [return: bb2, unwind unreachable]; // scope 2 at $SRC_DIR/core/src/ops/function.rs:LL:COL
+      }
+  
+      bb1: {
++         StorageDead(_4);                 // scope 0 at $DIR/cycle.rs:+1:5: +1:12
++         StorageDead(_2);                 // scope 0 at $DIR/cycle.rs:+1:5: +1:12
+          StorageDead(_1);                 // scope 0 at $DIR/cycle.rs:+1:12: +1:13
+          _0 = const ();                   // scope 0 at $DIR/cycle.rs:+0:8: +2:2
+          return;                          // scope 0 at $DIR/cycle.rs:+2:2: +2:2
++     }
++ 
++     bb2: {
++         StorageDead(_5);                 // scope 1 at $DIR/cycle.rs:6:5: 6:8
++         StorageDead(_3);                 // scope 1 at $DIR/cycle.rs:6:7: 6:8
++         drop(_2) -> [return: bb1, unwind unreachable]; // scope 1 at $DIR/cycle.rs:7:1: 7:2
+      }
+  }
+  
diff --git a/tests/mir-opt/inline/cycle.g.Inline.diff b/tests/mir-opt/inline/cycle.g.Inline.panic-unwind.diff
index 53bf14a0ab6..53bf14a0ab6 100644
--- a/tests/mir-opt/inline/cycle.g.Inline.diff
+++ b/tests/mir-opt/inline/cycle.g.Inline.panic-unwind.diff
diff --git a/tests/mir-opt/inline/cycle.main.Inline.panic-abort.diff b/tests/mir-opt/inline/cycle.main.Inline.panic-abort.diff
new file mode 100644
index 00000000000..55a0f92197b
--- /dev/null
+++ b/tests/mir-opt/inline/cycle.main.Inline.panic-abort.diff
@@ -0,0 +1,63 @@
+- // MIR for `main` before Inline
++ // MIR for `main` after Inline
+  
+  fn main() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/cycle.rs:+0:11: +0:11
+      let _1: ();                          // in scope 0 at $DIR/cycle.rs:+1:5: +1:9
++     let mut _2: fn() {g};                // in scope 0 at $DIR/cycle.rs:+1:5: +1:9
++     let mut _5: ();                      // in scope 0 at $DIR/cycle.rs:6:5: 6:8
++     scope 1 (inlined f::<fn() {g}>) {    // at $DIR/cycle.rs:17:5: 17:9
++         debug g => _2;                   // in scope 1 at $DIR/cycle.rs:5:6: 5:7
++         let mut _3: &fn() {g};           // in scope 1 at $DIR/cycle.rs:6:5: 6:6
++         let _4: ();                      // in scope 1 at $DIR/cycle.rs:6:5: 6:8
++         scope 2 (inlined <fn() {g} as Fn<()>>::call - shim(fn() {g})) { // at $DIR/cycle.rs:6:5: 6:8
++             scope 3 (inlined g) {        // at $SRC_DIR/core/src/ops/function.rs:LL:COL
++                 scope 4 (inlined f::<fn() {main}>) { // at $DIR/cycle.rs:12:5: 12:12
++                     debug g => main;     // in scope 4 at $DIR/cycle.rs:5:6: 5:7
++                     let _6: ();          // in scope 4 at $DIR/cycle.rs:6:5: 6:8
++                     scope 5 (inlined <fn() {main} as Fn<()>>::call - shim(fn() {main})) { // at $DIR/cycle.rs:6:5: 6:8
++                     }
++                 }
++             }
++         }
++     }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/cycle.rs:+1:5: +1:9
+-         _1 = f::<fn() {g}>(g) -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/cycle.rs:+1:5: +1:9
++         StorageLive(_2);                 // scope 0 at $DIR/cycle.rs:+1:5: +1:9
++         _2 = g;                          // scope 0 at $DIR/cycle.rs:+1:5: +1:9
+                                           // mir::Constant
+-                                          // + span: $DIR/cycle.rs:17:5: 17:6
+-                                          // + literal: Const { ty: fn(fn() {g}) {f::<fn() {g}>}, val: Value(<ZST>) }
+-                                          // mir::Constant
+                                           // + span: $DIR/cycle.rs:17:7: 17:8
+                                           // + literal: Const { ty: fn() {g}, val: Value(<ZST>) }
++         StorageLive(_4);                 // scope 0 at $DIR/cycle.rs:+1:5: +1:9
++         StorageLive(_3);                 // scope 1 at $DIR/cycle.rs:6:5: 6:6
++         _3 = &_2;                        // scope 1 at $DIR/cycle.rs:6:5: 6:6
++         StorageLive(_5);                 // scope 1 at $DIR/cycle.rs:6:5: 6:8
++         _5 = const ();                   // scope 1 at $DIR/cycle.rs:6:5: 6:8
++         StorageLive(_6);                 // scope 2 at $SRC_DIR/core/src/ops/function.rs:LL:COL
++         _6 = main() -> [return: bb2, unwind unreachable]; // scope 5 at $SRC_DIR/core/src/ops/function.rs:LL:COL
++                                          // mir::Constant
++                                          // + span: no-location
++                                          // + literal: Const { ty: fn() {main}, val: Value(<ZST>) }
+      }
+  
+      bb1: {
++         StorageDead(_4);                 // scope 0 at $DIR/cycle.rs:+1:5: +1:9
++         StorageDead(_2);                 // scope 0 at $DIR/cycle.rs:+1:5: +1:9
+          StorageDead(_1);                 // scope 0 at $DIR/cycle.rs:+1:9: +1:10
+          _0 = const ();                   // scope 0 at $DIR/cycle.rs:+0:11: +2:2
+          return;                          // scope 0 at $DIR/cycle.rs:+2:2: +2:2
++     }
++ 
++     bb2: {
++         StorageDead(_6);                 // scope 2 at $SRC_DIR/core/src/ops/function.rs:LL:COL
++         StorageDead(_5);                 // scope 1 at $DIR/cycle.rs:6:5: 6:8
++         StorageDead(_3);                 // scope 1 at $DIR/cycle.rs:6:7: 6:8
++         drop(_2) -> [return: bb1, unwind unreachable]; // scope 1 at $DIR/cycle.rs:7:1: 7:2
+      }
+  }
+  
diff --git a/tests/mir-opt/inline/cycle.main.Inline.diff b/tests/mir-opt/inline/cycle.main.Inline.panic-unwind.diff
index 7a39aae1baf..7a39aae1baf 100644
--- a/tests/mir-opt/inline/cycle.main.Inline.diff
+++ b/tests/mir-opt/inline/cycle.main.Inline.panic-unwind.diff
diff --git a/tests/mir-opt/inline/dyn_trait.get_query.Inline.panic-abort.diff b/tests/mir-opt/inline/dyn_trait.get_query.Inline.panic-abort.diff
new file mode 100644
index 00000000000..2e5afd6cece
--- /dev/null
+++ b/tests/mir-opt/inline/dyn_trait.get_query.Inline.panic-abort.diff
@@ -0,0 +1,54 @@
+- // MIR for `get_query` before Inline
++ // MIR for `get_query` after Inline
+  
+  fn get_query(_1: &T) -> () {
+      debug t => _1;                       // in scope 0 at $DIR/dyn_trait.rs:+0:31: +0:32
+      let mut _0: ();                      // return place in scope 0 at $DIR/dyn_trait.rs:+0:38: +0:38
+      let _2: &<Q as Query>::C;            // in scope 0 at $DIR/dyn_trait.rs:+1:9: +1:10
+      let mut _3: &T;                      // in scope 0 at $DIR/dyn_trait.rs:+1:22: +1:23
+      let mut _4: &<Q as Query>::C;        // in scope 0 at $DIR/dyn_trait.rs:+2:23: +2:24
+      scope 1 {
+          debug c => _2;                   // in scope 1 at $DIR/dyn_trait.rs:+1:9: +1:10
++         scope 2 (inlined try_execute_query::<<Q as Query>::C>) { // at $DIR/dyn_trait.rs:35:5: 35:25
++             debug c => _4;               // in scope 2 at $DIR/dyn_trait.rs:27:36: 27:37
++             let mut _5: &dyn Cache<V = <Q as Query>::V>; // in scope 2 at $DIR/dyn_trait.rs:28:14: 28:15
++             scope 3 (inlined mk_cycle::<<Q as Query>::V>) { // at $DIR/dyn_trait.rs:28:5: 28:16
++                 debug c => _5;           // in scope 3 at $DIR/dyn_trait.rs:21:27: 21:28
++             }
++         }
+      }
+  
+      bb0: {
+          StorageLive(_2);                 // scope 0 at $DIR/dyn_trait.rs:+1:9: +1:10
+          StorageLive(_3);                 // scope 0 at $DIR/dyn_trait.rs:+1:22: +1:23
+          _3 = &(*_1);                     // scope 0 at $DIR/dyn_trait.rs:+1:22: +1:23
+          _2 = <Q as Query>::cache::<T>(move _3) -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/dyn_trait.rs:+1:13: +1:24
+                                           // mir::Constant
+                                           // + span: $DIR/dyn_trait.rs:34:13: 34:21
+                                           // + user_ty: UserType(0)
+                                           // + literal: Const { ty: for<'a> fn(&'a T) -> &'a <Q as Query>::C {<Q as Query>::cache::<T>}, val: Value(<ZST>) }
+      }
+  
+      bb1: {
+          StorageDead(_3);                 // scope 0 at $DIR/dyn_trait.rs:+1:23: +1:24
+          StorageLive(_4);                 // scope 1 at $DIR/dyn_trait.rs:+2:23: +2:24
+          _4 = &(*_2);                     // scope 1 at $DIR/dyn_trait.rs:+2:23: +2:24
+-         _0 = try_execute_query::<<Q as Query>::C>(move _4) -> [return: bb2, unwind unreachable]; // scope 1 at $DIR/dyn_trait.rs:+2:5: +2:25
++         StorageLive(_5);                 // scope 2 at $DIR/dyn_trait.rs:28:14: 28:15
++         _5 = _4 as &dyn Cache<V = <Q as Query>::V> (Pointer(Unsize)); // scope 2 at $DIR/dyn_trait.rs:28:14: 28:15
++         _0 = <dyn Cache<V = <Q as Query>::V> as Cache>::store_nocache(_5) -> [return: bb2, unwind unreachable]; // scope 3 at $DIR/dyn_trait.rs:22:5: 22:22
+                                           // mir::Constant
+-                                          // + span: $DIR/dyn_trait.rs:35:5: 35:22
+-                                          // + literal: Const { ty: for<'a> fn(&'a <Q as Query>::C) {try_execute_query::<<Q as Query>::C>}, val: Value(<ZST>) }
++                                          // + span: $DIR/dyn_trait.rs:22:7: 22:20
++                                          // + literal: Const { ty: for<'a> fn(&'a dyn Cache<V = <Q as Query>::V>) {<dyn Cache<V = <Q as Query>::V> as Cache>::store_nocache}, val: Value(<ZST>) }
+      }
+  
+      bb2: {
++         StorageDead(_5);                 // scope 2 at $DIR/dyn_trait.rs:28:15: 28:16
+          StorageDead(_4);                 // scope 1 at $DIR/dyn_trait.rs:+2:24: +2:25
+          StorageDead(_2);                 // scope 0 at $DIR/dyn_trait.rs:+3:1: +3:2
+          return;                          // scope 0 at $DIR/dyn_trait.rs:+3:2: +3:2
+      }
+  }
+  
diff --git a/tests/mir-opt/inline/dyn_trait.get_query.Inline.diff b/tests/mir-opt/inline/dyn_trait.get_query.Inline.panic-unwind.diff
index 75d9bd54d5b..75d9bd54d5b 100644
--- a/tests/mir-opt/inline/dyn_trait.get_query.Inline.diff
+++ b/tests/mir-opt/inline/dyn_trait.get_query.Inline.panic-unwind.diff
diff --git a/tests/mir-opt/inline/dyn_trait.mk_cycle.Inline.panic-abort.diff b/tests/mir-opt/inline/dyn_trait.mk_cycle.Inline.panic-abort.diff
new file mode 100644
index 00000000000..46a1ea59bc2
--- /dev/null
+++ b/tests/mir-opt/inline/dyn_trait.mk_cycle.Inline.panic-abort.diff
@@ -0,0 +1,23 @@
+- // MIR for `mk_cycle` before Inline
++ // MIR for `mk_cycle` after Inline
+  
+  fn mk_cycle(_1: &dyn Cache<V = V>) -> () {
+      debug c => _1;                       // in scope 0 at $DIR/dyn_trait.rs:+0:27: +0:28
+      let mut _0: ();                      // return place in scope 0 at $DIR/dyn_trait.rs:+0:49: +0:49
+      let mut _2: &dyn Cache<V = V>;       // in scope 0 at $DIR/dyn_trait.rs:+1:5: +1:22
+  
+      bb0: {
+          StorageLive(_2);                 // scope 0 at $DIR/dyn_trait.rs:+1:5: +1:22
+          _2 = &(*_1);                     // scope 0 at $DIR/dyn_trait.rs:+1:5: +1:22
+          _0 = <dyn Cache<V = V> as Cache>::store_nocache(move _2) -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/dyn_trait.rs:+1:5: +1:22
+                                           // mir::Constant
+                                           // + span: $DIR/dyn_trait.rs:22:7: 22:20
+                                           // + literal: Const { ty: for<'a> fn(&'a dyn Cache<V = V>) {<dyn Cache<V = V> as Cache>::store_nocache}, val: Value(<ZST>) }
+      }
+  
+      bb1: {
+          StorageDead(_2);                 // scope 0 at $DIR/dyn_trait.rs:+1:21: +1:22
+          return;                          // scope 0 at $DIR/dyn_trait.rs:+2:2: +2:2
+      }
+  }
+  
diff --git a/tests/mir-opt/inline/dyn_trait.mk_cycle.Inline.diff b/tests/mir-opt/inline/dyn_trait.mk_cycle.Inline.panic-unwind.diff
index 925c95988b7..925c95988b7 100644
--- a/tests/mir-opt/inline/dyn_trait.mk_cycle.Inline.diff
+++ b/tests/mir-opt/inline/dyn_trait.mk_cycle.Inline.panic-unwind.diff
diff --git a/tests/mir-opt/inline/dyn_trait.try_execute_query.Inline.panic-abort.diff b/tests/mir-opt/inline/dyn_trait.try_execute_query.Inline.panic-abort.diff
new file mode 100644
index 00000000000..5d84f0f508a
--- /dev/null
+++ b/tests/mir-opt/inline/dyn_trait.try_execute_query.Inline.panic-abort.diff
@@ -0,0 +1,33 @@
+- // MIR for `try_execute_query` before Inline
++ // MIR for `try_execute_query` after Inline
+  
+  fn try_execute_query(_1: &C) -> () {
+      debug c => _1;                       // in scope 0 at $DIR/dyn_trait.rs:+0:36: +0:37
+      let mut _0: ();                      // return place in scope 0 at $DIR/dyn_trait.rs:+0:43: +0:43
+      let mut _2: &dyn Cache<V = <C as Cache>::V>; // in scope 0 at $DIR/dyn_trait.rs:+1:14: +1:15
+      let mut _3: &C;                      // in scope 0 at $DIR/dyn_trait.rs:+1:14: +1:15
++     scope 1 (inlined mk_cycle::<<C as Cache>::V>) { // at $DIR/dyn_trait.rs:28:5: 28:16
++         debug c => _2;                   // in scope 1 at $DIR/dyn_trait.rs:21:27: 21:28
++     }
+  
+      bb0: {
+          StorageLive(_2);                 // scope 0 at $DIR/dyn_trait.rs:+1:14: +1:15
+          StorageLive(_3);                 // scope 0 at $DIR/dyn_trait.rs:+1:14: +1:15
+          _3 = &(*_1);                     // scope 0 at $DIR/dyn_trait.rs:+1:14: +1:15
+          _2 = move _3 as &dyn Cache<V = <C as Cache>::V> (Pointer(Unsize)); // scope 0 at $DIR/dyn_trait.rs:+1:14: +1:15
+          StorageDead(_3);                 // scope 0 at $DIR/dyn_trait.rs:+1:14: +1:15
+-         _0 = mk_cycle::<<C as Cache>::V>(move _2) -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/dyn_trait.rs:+1:5: +1:16
++         _0 = <dyn Cache<V = <C as Cache>::V> as Cache>::store_nocache(_2) -> [return: bb1, unwind unreachable]; // scope 1 at $DIR/dyn_trait.rs:22:5: 22:22
+                                           // mir::Constant
+-                                          // + span: $DIR/dyn_trait.rs:28:5: 28:13
+-                                          // + literal: Const { ty: for<'a> fn(&'a (dyn Cache<V = <C as Cache>::V> + 'a)) {mk_cycle::<<C as Cache>::V>}, val: Value(<ZST>) }
++                                          // + span: $DIR/dyn_trait.rs:22:7: 22:20
++                                          // + literal: Const { ty: for<'a> fn(&'a dyn Cache<V = <C as Cache>::V>) {<dyn Cache<V = <C as Cache>::V> as Cache>::store_nocache}, val: Value(<ZST>) }
+      }
+  
+      bb1: {
+          StorageDead(_2);                 // scope 0 at $DIR/dyn_trait.rs:+1:15: +1:16
+          return;                          // scope 0 at $DIR/dyn_trait.rs:+2:2: +2:2
+      }
+  }
+  
diff --git a/tests/mir-opt/inline/dyn_trait.try_execute_query.Inline.diff b/tests/mir-opt/inline/dyn_trait.try_execute_query.Inline.panic-unwind.diff
index f4e5272abfc..f4e5272abfc 100644
--- a/tests/mir-opt/inline/dyn_trait.try_execute_query.Inline.diff
+++ b/tests/mir-opt/inline/dyn_trait.try_execute_query.Inline.panic-unwind.diff
diff --git a/tests/mir-opt/inline/exponential_runtime.main.Inline.panic-abort.diff b/tests/mir-opt/inline/exponential_runtime.main.Inline.panic-abort.diff
new file mode 100644
index 00000000000..967186b1989
--- /dev/null
+++ b/tests/mir-opt/inline/exponential_runtime.main.Inline.panic-abort.diff
@@ -0,0 +1,175 @@
+- // MIR for `main` before Inline
++ // MIR for `main` after Inline
+  
+  fn main() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/exponential_runtime.rs:+0:11: +0:11
+      let _1: ();                          // in scope 0 at $DIR/exponential_runtime.rs:+1:5: +1:22
++     scope 1 (inlined <() as G>::call) {  // at $DIR/exponential_runtime.rs:87:5: 87:22
++         let _2: ();                      // in scope 1 at $DIR/exponential_runtime.rs:74:9: 74:25
++         let _3: ();                      // in scope 1 at $DIR/exponential_runtime.rs:75:9: 75:25
++         let _4: ();                      // in scope 1 at $DIR/exponential_runtime.rs:76:9: 76:25
++         scope 2 (inlined <() as F>::call) { // at $DIR/exponential_runtime.rs:74:9: 74:25
++             let _5: ();                  // in scope 2 at $DIR/exponential_runtime.rs:62:9: 62:25
++             let _6: ();                  // in scope 2 at $DIR/exponential_runtime.rs:63:9: 63:25
++             let _7: ();                  // in scope 2 at $DIR/exponential_runtime.rs:64:9: 64:25
++             scope 3 (inlined <() as E>::call) { // at $DIR/exponential_runtime.rs:62:9: 62:25
++                 let _8: ();              // in scope 3 at $DIR/exponential_runtime.rs:50:9: 50:25
++                 let _9: ();              // in scope 3 at $DIR/exponential_runtime.rs:51:9: 51:25
++                 let _10: ();             // in scope 3 at $DIR/exponential_runtime.rs:52:9: 52:25
++                 scope 4 (inlined <() as D>::call) { // at $DIR/exponential_runtime.rs:50:9: 50:25
++                     let _11: ();         // in scope 4 at $DIR/exponential_runtime.rs:38:9: 38:25
++                     let _12: ();         // in scope 4 at $DIR/exponential_runtime.rs:39:9: 39:25
++                     let _13: ();         // in scope 4 at $DIR/exponential_runtime.rs:40:9: 40:25
++                     scope 5 (inlined <() as C>::call) { // at $DIR/exponential_runtime.rs:38:9: 38:25
++                         let _14: ();     // in scope 5 at $DIR/exponential_runtime.rs:26:9: 26:25
++                         let _15: ();     // in scope 5 at $DIR/exponential_runtime.rs:27:9: 27:25
++                         let _16: ();     // in scope 5 at $DIR/exponential_runtime.rs:28:9: 28:25
++                         scope 6 (inlined <() as B>::call) { // at $DIR/exponential_runtime.rs:26:9: 26:25
++                             let _17: (); // in scope 6 at $DIR/exponential_runtime.rs:14:9: 14:25
++                             let _18: (); // in scope 6 at $DIR/exponential_runtime.rs:15:9: 15:25
++                             let _19: (); // in scope 6 at $DIR/exponential_runtime.rs:16:9: 16:25
++                         }
++                     }
++                 }
++             }
++         }
++     }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/exponential_runtime.rs:+1:5: +1:22
+-         _1 = <() as G>::call() -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/exponential_runtime.rs:+1:5: +1:22
++         StorageLive(_2);                 // scope 0 at $DIR/exponential_runtime.rs:+1:5: +1:22
++         StorageLive(_3);                 // scope 0 at $DIR/exponential_runtime.rs:+1:5: +1:22
++         StorageLive(_4);                 // scope 0 at $DIR/exponential_runtime.rs:+1:5: +1:22
++         StorageLive(_5);                 // scope 1 at $DIR/exponential_runtime.rs:74:9: 74:25
++         StorageLive(_6);                 // scope 1 at $DIR/exponential_runtime.rs:74:9: 74:25
++         StorageLive(_7);                 // scope 1 at $DIR/exponential_runtime.rs:74:9: 74:25
++         StorageLive(_8);                 // scope 2 at $DIR/exponential_runtime.rs:62:9: 62:25
++         StorageLive(_9);                 // scope 2 at $DIR/exponential_runtime.rs:62:9: 62:25
++         StorageLive(_10);                // scope 2 at $DIR/exponential_runtime.rs:62:9: 62:25
++         StorageLive(_11);                // scope 3 at $DIR/exponential_runtime.rs:50:9: 50:25
++         StorageLive(_12);                // scope 3 at $DIR/exponential_runtime.rs:50:9: 50:25
++         StorageLive(_13);                // scope 3 at $DIR/exponential_runtime.rs:50:9: 50:25
++         StorageLive(_14);                // scope 4 at $DIR/exponential_runtime.rs:38:9: 38:25
++         StorageLive(_15);                // scope 4 at $DIR/exponential_runtime.rs:38:9: 38:25
++         StorageLive(_16);                // scope 4 at $DIR/exponential_runtime.rs:38:9: 38:25
++         StorageLive(_17);                // scope 5 at $DIR/exponential_runtime.rs:26:9: 26:25
++         StorageLive(_18);                // scope 5 at $DIR/exponential_runtime.rs:26:9: 26:25
++         StorageLive(_19);                // scope 5 at $DIR/exponential_runtime.rs:26:9: 26:25
++         _17 = <() as A>::call() -> [return: bb12, unwind unreachable]; // scope 6 at $DIR/exponential_runtime.rs:14:9: 14:25
+                                           // mir::Constant
+-                                          // + span: $DIR/exponential_runtime.rs:87:5: 87:20
+-                                          // + literal: Const { ty: fn() {<() as G>::call}, val: Value(<ZST>) }
++                                          // + span: $DIR/exponential_runtime.rs:14:9: 14:23
++                                          // + literal: Const { ty: fn() {<() as A>::call}, val: Value(<ZST>) }
+      }
+  
+      bb1: {
++         StorageDead(_4);                 // scope 0 at $DIR/exponential_runtime.rs:+1:5: +1:22
++         StorageDead(_3);                 // scope 0 at $DIR/exponential_runtime.rs:+1:5: +1:22
++         StorageDead(_2);                 // scope 0 at $DIR/exponential_runtime.rs:+1:5: +1:22
+          StorageDead(_1);                 // scope 0 at $DIR/exponential_runtime.rs:+1:22: +1:23
+          _0 = const ();                   // scope 0 at $DIR/exponential_runtime.rs:+0:11: +2:2
+          return;                          // scope 0 at $DIR/exponential_runtime.rs:+2:2: +2:2
++     }
++ 
++     bb2: {
++         StorageDead(_7);                 // scope 1 at $DIR/exponential_runtime.rs:74:9: 74:25
++         StorageDead(_6);                 // scope 1 at $DIR/exponential_runtime.rs:74:9: 74:25
++         StorageDead(_5);                 // scope 1 at $DIR/exponential_runtime.rs:74:9: 74:25
++         _3 = <() as F>::call() -> [return: bb3, unwind unreachable]; // scope 1 at $DIR/exponential_runtime.rs:75:9: 75:25
++                                          // mir::Constant
++                                          // + span: $DIR/exponential_runtime.rs:75:9: 75:23
++                                          // + literal: Const { ty: fn() {<() as F>::call}, val: Value(<ZST>) }
++     }
++ 
++     bb3: {
++         _4 = <() as F>::call() -> [return: bb1, unwind unreachable]; // scope 1 at $DIR/exponential_runtime.rs:76:9: 76:25
++                                          // mir::Constant
++                                          // + span: $DIR/exponential_runtime.rs:76:9: 76:23
++                                          // + literal: Const { ty: fn() {<() as F>::call}, val: Value(<ZST>) }
++     }
++ 
++     bb4: {
++         StorageDead(_10);                // scope 2 at $DIR/exponential_runtime.rs:62:9: 62:25
++         StorageDead(_9);                 // scope 2 at $DIR/exponential_runtime.rs:62:9: 62:25
++         StorageDead(_8);                 // scope 2 at $DIR/exponential_runtime.rs:62:9: 62:25
++         _6 = <() as E>::call() -> [return: bb5, unwind unreachable]; // scope 2 at $DIR/exponential_runtime.rs:63:9: 63:25
++                                          // mir::Constant
++                                          // + span: $DIR/exponential_runtime.rs:63:9: 63:23
++                                          // + literal: Const { ty: fn() {<() as E>::call}, val: Value(<ZST>) }
++     }
++ 
++     bb5: {
++         _7 = <() as E>::call() -> [return: bb2, unwind unreachable]; // scope 2 at $DIR/exponential_runtime.rs:64:9: 64:25
++                                          // mir::Constant
++                                          // + span: $DIR/exponential_runtime.rs:64:9: 64:23
++                                          // + literal: Const { ty: fn() {<() as E>::call}, val: Value(<ZST>) }
++     }
++ 
++     bb6: {
++         StorageDead(_13);                // scope 3 at $DIR/exponential_runtime.rs:50:9: 50:25
++         StorageDead(_12);                // scope 3 at $DIR/exponential_runtime.rs:50:9: 50:25
++         StorageDead(_11);                // scope 3 at $DIR/exponential_runtime.rs:50:9: 50:25
++         _9 = <() as D>::call() -> [return: bb7, unwind unreachable]; // scope 3 at $DIR/exponential_runtime.rs:51:9: 51:25
++                                          // mir::Constant
++                                          // + span: $DIR/exponential_runtime.rs:51:9: 51:23
++                                          // + literal: Const { ty: fn() {<() as D>::call}, val: Value(<ZST>) }
++     }
++ 
++     bb7: {
++         _10 = <() as D>::call() -> [return: bb4, unwind unreachable]; // scope 3 at $DIR/exponential_runtime.rs:52:9: 52:25
++                                          // mir::Constant
++                                          // + span: $DIR/exponential_runtime.rs:52:9: 52:23
++                                          // + literal: Const { ty: fn() {<() as D>::call}, val: Value(<ZST>) }
++     }
++ 
++     bb8: {
++         StorageDead(_16);                // scope 4 at $DIR/exponential_runtime.rs:38:9: 38:25
++         StorageDead(_15);                // scope 4 at $DIR/exponential_runtime.rs:38:9: 38:25
++         StorageDead(_14);                // scope 4 at $DIR/exponential_runtime.rs:38:9: 38:25
++         _12 = <() as C>::call() -> [return: bb9, unwind unreachable]; // scope 4 at $DIR/exponential_runtime.rs:39:9: 39:25
++                                          // mir::Constant
++                                          // + span: $DIR/exponential_runtime.rs:39:9: 39:23
++                                          // + literal: Const { ty: fn() {<() as C>::call}, val: Value(<ZST>) }
++     }
++ 
++     bb9: {
++         _13 = <() as C>::call() -> [return: bb6, unwind unreachable]; // scope 4 at $DIR/exponential_runtime.rs:40:9: 40:25
++                                          // mir::Constant
++                                          // + span: $DIR/exponential_runtime.rs:40:9: 40:23
++                                          // + literal: Const { ty: fn() {<() as C>::call}, val: Value(<ZST>) }
++     }
++ 
++     bb10: {
++         StorageDead(_19);                // scope 5 at $DIR/exponential_runtime.rs:26:9: 26:25
++         StorageDead(_18);                // scope 5 at $DIR/exponential_runtime.rs:26:9: 26:25
++         StorageDead(_17);                // scope 5 at $DIR/exponential_runtime.rs:26:9: 26:25
++         _15 = <() as B>::call() -> [return: bb11, unwind unreachable]; // scope 5 at $DIR/exponential_runtime.rs:27:9: 27:25
++                                          // mir::Constant
++                                          // + span: $DIR/exponential_runtime.rs:27:9: 27:23
++                                          // + literal: Const { ty: fn() {<() as B>::call}, val: Value(<ZST>) }
++     }
++ 
++     bb11: {
++         _16 = <() as B>::call() -> [return: bb8, unwind unreachable]; // scope 5 at $DIR/exponential_runtime.rs:28:9: 28:25
++                                          // mir::Constant
++                                          // + span: $DIR/exponential_runtime.rs:28:9: 28:23
++                                          // + literal: Const { ty: fn() {<() as B>::call}, val: Value(<ZST>) }
++     }
++ 
++     bb12: {
++         _18 = <() as A>::call() -> [return: bb13, unwind unreachable]; // scope 6 at $DIR/exponential_runtime.rs:15:9: 15:25
++                                          // mir::Constant
++                                          // + span: $DIR/exponential_runtime.rs:15:9: 15:23
++                                          // + literal: Const { ty: fn() {<() as A>::call}, val: Value(<ZST>) }
++     }
++ 
++     bb13: {
++         _19 = <() as A>::call() -> [return: bb10, unwind unreachable]; // scope 6 at $DIR/exponential_runtime.rs:16:9: 16:25
++                                          // mir::Constant
++                                          // + span: $DIR/exponential_runtime.rs:16:9: 16:23
++                                          // + literal: Const { ty: fn() {<() as A>::call}, val: Value(<ZST>) }
+      }
+  }
+  
diff --git a/tests/mir-opt/inline/exponential_runtime.main.Inline.diff b/tests/mir-opt/inline/exponential_runtime.main.Inline.panic-unwind.diff
index 7fad6aba82e..7fad6aba82e 100644
--- a/tests/mir-opt/inline/exponential_runtime.main.Inline.diff
+++ b/tests/mir-opt/inline/exponential_runtime.main.Inline.panic-unwind.diff
diff --git a/tests/mir-opt/inline/inline_compatibility.inlined_no_sanitize.Inline.panic-abort.diff b/tests/mir-opt/inline/inline_compatibility.inlined_no_sanitize.Inline.panic-abort.diff
new file mode 100644
index 00000000000..abb0263d7e4
--- /dev/null
+++ b/tests/mir-opt/inline/inline_compatibility.inlined_no_sanitize.Inline.panic-abort.diff
@@ -0,0 +1,24 @@
+- // MIR for `inlined_no_sanitize` before Inline
++ // MIR for `inlined_no_sanitize` after Inline
+  
+  fn inlined_no_sanitize() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/inline_compatibility.rs:+0:37: +0:37
+      let _1: ();                          // in scope 0 at $DIR/inline_compatibility.rs:+1:5: +1:18
++     scope 1 (inlined no_sanitize) {      // at $DIR/inline_compatibility.rs:25:5: 25:18
++     }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/inline_compatibility.rs:+1:5: +1:18
+-         _1 = no_sanitize() -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/inline_compatibility.rs:+1:5: +1:18
+-                                          // mir::Constant
+-                                          // + span: $DIR/inline_compatibility.rs:25:5: 25:16
+-                                          // + literal: Const { ty: unsafe fn() {no_sanitize}, val: Value(<ZST>) }
+-     }
+- 
+-     bb1: {
+          StorageDead(_1);                 // scope 0 at $DIR/inline_compatibility.rs:+1:18: +1:19
+          _0 = const ();                   // scope 0 at $DIR/inline_compatibility.rs:+0:37: +2:2
+          return;                          // scope 0 at $DIR/inline_compatibility.rs:+2:2: +2:2
+      }
+  }
+  
diff --git a/tests/mir-opt/inline/inline_compatibility.inlined_no_sanitize.Inline.diff b/tests/mir-opt/inline/inline_compatibility.inlined_no_sanitize.Inline.panic-unwind.diff
index e30a5e116ea..de4462227fd 100644
--- a/tests/mir-opt/inline/inline_compatibility.inlined_no_sanitize.Inline.diff
+++ b/tests/mir-opt/inline/inline_compatibility.inlined_no_sanitize.Inline.panic-unwind.diff
@@ -4,14 +4,14 @@
   fn inlined_no_sanitize() -> () {
       let mut _0: ();                      // return place in scope 0 at $DIR/inline_compatibility.rs:+0:37: +0:37
       let _1: ();                          // in scope 0 at $DIR/inline_compatibility.rs:+1:5: +1:18
-+     scope 1 (inlined no_sanitize) {      // at $DIR/inline_compatibility.rs:24:5: 24:18
++     scope 1 (inlined no_sanitize) {      // at $DIR/inline_compatibility.rs:25:5: 25:18
 +     }
   
       bb0: {
           StorageLive(_1);                 // scope 0 at $DIR/inline_compatibility.rs:+1:5: +1:18
 -         _1 = no_sanitize() -> bb1;       // scope 0 at $DIR/inline_compatibility.rs:+1:5: +1:18
 -                                          // mir::Constant
--                                          // + span: $DIR/inline_compatibility.rs:24:5: 24:16
+-                                          // + span: $DIR/inline_compatibility.rs:25:5: 25:16
 -                                          // + literal: Const { ty: unsafe fn() {no_sanitize}, val: Value(<ZST>) }
 -     }
 - 
diff --git a/tests/mir-opt/inline/inline_compatibility.inlined_target_feature.Inline.panic-abort.diff b/tests/mir-opt/inline/inline_compatibility.inlined_target_feature.Inline.panic-abort.diff
new file mode 100644
index 00000000000..e758127265e
--- /dev/null
+++ b/tests/mir-opt/inline/inline_compatibility.inlined_target_feature.Inline.panic-abort.diff
@@ -0,0 +1,24 @@
+- // MIR for `inlined_target_feature` before Inline
++ // MIR for `inlined_target_feature` after Inline
+  
+  fn inlined_target_feature() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/inline_compatibility.rs:+0:40: +0:40
+      let _1: ();                          // in scope 0 at $DIR/inline_compatibility.rs:+1:5: +1:21
++     scope 1 (inlined target_feature) {   // at $DIR/inline_compatibility.rs:14:5: 14:21
++     }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/inline_compatibility.rs:+1:5: +1:21
+-         _1 = target_feature() -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/inline_compatibility.rs:+1:5: +1:21
+-                                          // mir::Constant
+-                                          // + span: $DIR/inline_compatibility.rs:14:5: 14:19
+-                                          // + literal: Const { ty: unsafe fn() {target_feature}, val: Value(<ZST>) }
+-     }
+- 
+-     bb1: {
+          StorageDead(_1);                 // scope 0 at $DIR/inline_compatibility.rs:+1:21: +1:22
+          _0 = const ();                   // scope 0 at $DIR/inline_compatibility.rs:+0:40: +2:2
+          return;                          // scope 0 at $DIR/inline_compatibility.rs:+2:2: +2:2
+      }
+  }
+  
diff --git a/tests/mir-opt/inline/inline_compatibility.inlined_target_feature.Inline.diff b/tests/mir-opt/inline/inline_compatibility.inlined_target_feature.Inline.panic-unwind.diff
index c2b3c46a30c..9eb565bd0e7 100644
--- a/tests/mir-opt/inline/inline_compatibility.inlined_target_feature.Inline.diff
+++ b/tests/mir-opt/inline/inline_compatibility.inlined_target_feature.Inline.panic-unwind.diff
@@ -4,14 +4,14 @@
   fn inlined_target_feature() -> () {
       let mut _0: ();                      // return place in scope 0 at $DIR/inline_compatibility.rs:+0:40: +0:40
       let _1: ();                          // in scope 0 at $DIR/inline_compatibility.rs:+1:5: +1:21
-+     scope 1 (inlined target_feature) {   // at $DIR/inline_compatibility.rs:13:5: 13:21
++     scope 1 (inlined target_feature) {   // at $DIR/inline_compatibility.rs:14:5: 14:21
 +     }
   
       bb0: {
           StorageLive(_1);                 // scope 0 at $DIR/inline_compatibility.rs:+1:5: +1:21
 -         _1 = target_feature() -> bb1;    // scope 0 at $DIR/inline_compatibility.rs:+1:5: +1:21
 -                                          // mir::Constant
--                                          // + span: $DIR/inline_compatibility.rs:13:5: 13:19
+-                                          // + span: $DIR/inline_compatibility.rs:14:5: 14:19
 -                                          // + literal: Const { ty: unsafe fn() {target_feature}, val: Value(<ZST>) }
 -     }
 - 
diff --git a/tests/mir-opt/inline/inline_compatibility.not_inlined_c_variadic.Inline.panic-abort.diff b/tests/mir-opt/inline/inline_compatibility.not_inlined_c_variadic.Inline.panic-abort.diff
new file mode 100644
index 00000000000..124435cd258
--- /dev/null
+++ b/tests/mir-opt/inline/inline_compatibility.not_inlined_c_variadic.Inline.panic-abort.diff
@@ -0,0 +1,25 @@
+- // MIR for `not_inlined_c_variadic` before Inline
++ // MIR for `not_inlined_c_variadic` after Inline
+  
+  fn not_inlined_c_variadic() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/inline_compatibility.rs:+0:40: +0:40
+      let _1: u32;                         // in scope 0 at $DIR/inline_compatibility.rs:+1:9: +1:10
+      scope 1 {
+          debug s => _1;                   // in scope 1 at $DIR/inline_compatibility.rs:+1:9: +1:10
+      }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/inline_compatibility.rs:+1:9: +1:10
+          _1 = sum(const 4_u32, const 4_u32, const 30_u32, const 200_u32, const 1000_u32) -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/inline_compatibility.rs:+1:13: +1:52
+                                           // mir::Constant
+                                           // + span: $DIR/inline_compatibility.rs:43:13: 43:16
+                                           // + literal: Const { ty: unsafe extern "C" fn(u32, ...) -> u32 {sum}, val: Value(<ZST>) }
+      }
+  
+      bb1: {
+          _0 = const ();                   // scope 0 at $DIR/inline_compatibility.rs:+0:40: +2:2
+          StorageDead(_1);                 // scope 0 at $DIR/inline_compatibility.rs:+2:1: +2:2
+          return;                          // scope 0 at $DIR/inline_compatibility.rs:+2:2: +2:2
+      }
+  }
+  
diff --git a/tests/mir-opt/inline/inline_compatibility.not_inlined_c_variadic.Inline.diff b/tests/mir-opt/inline/inline_compatibility.not_inlined_c_variadic.Inline.panic-unwind.diff
index 0ca5a5f70b7..775f3af76b6 100644
--- a/tests/mir-opt/inline/inline_compatibility.not_inlined_c_variadic.Inline.diff
+++ b/tests/mir-opt/inline/inline_compatibility.not_inlined_c_variadic.Inline.panic-unwind.diff
@@ -12,7 +12,7 @@
           StorageLive(_1);                 // scope 0 at $DIR/inline_compatibility.rs:+1:9: +1:10
           _1 = sum(const 4_u32, const 4_u32, const 30_u32, const 200_u32, const 1000_u32) -> bb1; // scope 0 at $DIR/inline_compatibility.rs:+1:13: +1:52
                                            // mir::Constant
-                                           // + span: $DIR/inline_compatibility.rs:42:13: 42:16
+                                           // + span: $DIR/inline_compatibility.rs:43:13: 43:16
                                            // + literal: Const { ty: unsafe extern "C" fn(u32, ...) -> u32 {sum}, val: Value(<ZST>) }
       }
   
diff --git a/tests/mir-opt/inline/inline_compatibility.not_inlined_no_sanitize.Inline.panic-abort.diff b/tests/mir-opt/inline/inline_compatibility.not_inlined_no_sanitize.Inline.panic-abort.diff
new file mode 100644
index 00000000000..21dc2ee8da1
--- /dev/null
+++ b/tests/mir-opt/inline/inline_compatibility.not_inlined_no_sanitize.Inline.panic-abort.diff
@@ -0,0 +1,22 @@
+- // MIR for `not_inlined_no_sanitize` before Inline
++ // MIR for `not_inlined_no_sanitize` after Inline
+  
+  fn not_inlined_no_sanitize() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/inline_compatibility.rs:+0:41: +0:41
+      let _1: ();                          // in scope 0 at $DIR/inline_compatibility.rs:+1:5: +1:18
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/inline_compatibility.rs:+1:5: +1:18
+          _1 = no_sanitize() -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/inline_compatibility.rs:+1:5: +1:18
+                                           // mir::Constant
+                                           // + span: $DIR/inline_compatibility.rs:30:5: 30:16
+                                           // + literal: Const { ty: unsafe fn() {no_sanitize}, val: Value(<ZST>) }
+      }
+  
+      bb1: {
+          StorageDead(_1);                 // scope 0 at $DIR/inline_compatibility.rs:+1:18: +1:19
+          _0 = const ();                   // scope 0 at $DIR/inline_compatibility.rs:+0:41: +2:2
+          return;                          // scope 0 at $DIR/inline_compatibility.rs:+2:2: +2:2
+      }
+  }
+  
diff --git a/tests/mir-opt/inline/inline_compatibility.not_inlined_no_sanitize.Inline.diff b/tests/mir-opt/inline/inline_compatibility.not_inlined_no_sanitize.Inline.panic-unwind.diff
index 00d405c77f9..8ef5b8ba98e 100644
--- a/tests/mir-opt/inline/inline_compatibility.not_inlined_no_sanitize.Inline.diff
+++ b/tests/mir-opt/inline/inline_compatibility.not_inlined_no_sanitize.Inline.panic-unwind.diff
@@ -9,7 +9,7 @@
           StorageLive(_1);                 // scope 0 at $DIR/inline_compatibility.rs:+1:5: +1:18
           _1 = no_sanitize() -> bb1;       // scope 0 at $DIR/inline_compatibility.rs:+1:5: +1:18
                                            // mir::Constant
-                                           // + span: $DIR/inline_compatibility.rs:29:5: 29:16
+                                           // + span: $DIR/inline_compatibility.rs:30:5: 30:16
                                            // + literal: Const { ty: unsafe fn() {no_sanitize}, val: Value(<ZST>) }
       }
   
diff --git a/tests/mir-opt/inline/inline_compatibility.not_inlined_target_feature.Inline.panic-abort.diff b/tests/mir-opt/inline/inline_compatibility.not_inlined_target_feature.Inline.panic-abort.diff
new file mode 100644
index 00000000000..02feec05bef
--- /dev/null
+++ b/tests/mir-opt/inline/inline_compatibility.not_inlined_target_feature.Inline.panic-abort.diff
@@ -0,0 +1,22 @@
+- // MIR for `not_inlined_target_feature` before Inline
++ // MIR for `not_inlined_target_feature` after Inline
+  
+  fn not_inlined_target_feature() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/inline_compatibility.rs:+0:44: +0:44
+      let _1: ();                          // in scope 0 at $DIR/inline_compatibility.rs:+1:5: +1:21
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/inline_compatibility.rs:+1:5: +1:21
+          _1 = target_feature() -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/inline_compatibility.rs:+1:5: +1:21
+                                           // mir::Constant
+                                           // + span: $DIR/inline_compatibility.rs:19:5: 19:19
+                                           // + literal: Const { ty: unsafe fn() {target_feature}, val: Value(<ZST>) }
+      }
+  
+      bb1: {
+          StorageDead(_1);                 // scope 0 at $DIR/inline_compatibility.rs:+1:21: +1:22
+          _0 = const ();                   // scope 0 at $DIR/inline_compatibility.rs:+0:44: +2:2
+          return;                          // scope 0 at $DIR/inline_compatibility.rs:+2:2: +2:2
+      }
+  }
+  
diff --git a/tests/mir-opt/inline/inline_compatibility.not_inlined_target_feature.Inline.diff b/tests/mir-opt/inline/inline_compatibility.not_inlined_target_feature.Inline.panic-unwind.diff
index 8b9c86f5515..2523162dfff 100644
--- a/tests/mir-opt/inline/inline_compatibility.not_inlined_target_feature.Inline.diff
+++ b/tests/mir-opt/inline/inline_compatibility.not_inlined_target_feature.Inline.panic-unwind.diff
@@ -9,7 +9,7 @@
           StorageLive(_1);                 // scope 0 at $DIR/inline_compatibility.rs:+1:5: +1:21
           _1 = target_feature() -> bb1;    // scope 0 at $DIR/inline_compatibility.rs:+1:5: +1:21
                                            // mir::Constant
-                                           // + span: $DIR/inline_compatibility.rs:18:5: 18:19
+                                           // + span: $DIR/inline_compatibility.rs:19:5: 19:19
                                            // + literal: Const { ty: unsafe fn() {target_feature}, val: Value(<ZST>) }
       }
   
diff --git a/tests/mir-opt/inline/inline_cycle.one.Inline.panic-abort.diff b/tests/mir-opt/inline/inline_cycle.one.Inline.panic-abort.diff
new file mode 100644
index 00000000000..228a34a492e
--- /dev/null
+++ b/tests/mir-opt/inline/inline_cycle.one.Inline.panic-abort.diff
@@ -0,0 +1,30 @@
+- // MIR for `one` before Inline
++ // MIR for `one` after Inline
+  
+  fn one() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/inline_cycle.rs:+0:10: +0:10
+      let _1: ();                          // in scope 0 at $DIR/inline_cycle.rs:+1:5: +1:24
++     scope 1 (inlined <C as Call>::call) { // at $DIR/inline_cycle.rs:15:5: 15:24
++         scope 2 (inlined <A<C> as Call>::call) { // at $DIR/inline_cycle.rs:44:9: 44:23
++             scope 3 (inlined <B<C> as Call>::call) { // at $DIR/inline_cycle.rs:29:9: 29:31
++             }
++         }
++     }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/inline_cycle.rs:+1:5: +1:24
+-         _1 = <C as Call>::call() -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/inline_cycle.rs:+1:5: +1:24
++         _1 = <C as Call>::call() -> [return: bb1, unwind unreachable]; // scope 3 at $DIR/inline_cycle.rs:37:9: 37:28
+                                           // mir::Constant
+-                                          // + span: $DIR/inline_cycle.rs:15:5: 15:22
++                                          // + span: $DIR/inline_cycle.rs:37:9: 37:26
+                                           // + literal: Const { ty: fn() {<C as Call>::call}, val: Value(<ZST>) }
+      }
+  
+      bb1: {
+          StorageDead(_1);                 // scope 0 at $DIR/inline_cycle.rs:+1:24: +1:25
+          _0 = const ();                   // scope 0 at $DIR/inline_cycle.rs:+0:10: +2:2
+          return;                          // scope 0 at $DIR/inline_cycle.rs:+2:2: +2:2
+      }
+  }
+  
diff --git a/tests/mir-opt/inline/inline_cycle.one.Inline.diff b/tests/mir-opt/inline/inline_cycle.one.Inline.panic-unwind.diff
index f6ba69a1d29..f6ba69a1d29 100644
--- a/tests/mir-opt/inline/inline_cycle.one.Inline.diff
+++ b/tests/mir-opt/inline/inline_cycle.one.Inline.panic-unwind.diff
diff --git a/tests/mir-opt/inline/inline_cycle.two.Inline.panic-abort.diff b/tests/mir-opt/inline/inline_cycle.two.Inline.panic-abort.diff
new file mode 100644
index 00000000000..123fa5cb913
--- /dev/null
+++ b/tests/mir-opt/inline/inline_cycle.two.Inline.panic-abort.diff
@@ -0,0 +1,55 @@
+- // MIR for `two` before Inline
++ // MIR for `two` after Inline
+  
+  fn two() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/inline_cycle.rs:+0:10: +0:10
+      let _1: ();                          // in scope 0 at $DIR/inline_cycle.rs:+1:5: +1:12
++     let mut _2: fn() {f};                // in scope 0 at $DIR/inline_cycle.rs:+1:5: +1:12
++     let mut _4: ();                      // in scope 0 at $DIR/inline_cycle.rs:55:5: 55:8
++     scope 1 (inlined call::<fn() {f}>) { // at $DIR/inline_cycle.rs:50:5: 50:12
++         debug f => _2;                   // in scope 1 at $DIR/inline_cycle.rs:54:22: 54:23
++         let _3: ();                      // in scope 1 at $DIR/inline_cycle.rs:55:5: 55:8
++         scope 2 (inlined <fn() {f} as FnOnce<()>>::call_once - shim(fn() {f})) { // at $DIR/inline_cycle.rs:55:5: 55:8
++             scope 3 (inlined f) {        // at $SRC_DIR/core/src/ops/function.rs:LL:COL
++                 scope 4 (inlined call::<fn() {f}>) { // at $DIR/inline_cycle.rs:60:5: 60:12
++                     debug f => f;        // in scope 4 at $DIR/inline_cycle.rs:54:22: 54:23
++                     let _5: ();          // in scope 4 at $DIR/inline_cycle.rs:55:5: 55:8
++                     scope 5 (inlined <fn() {f} as FnOnce<()>>::call_once - shim(fn() {f})) { // at $DIR/inline_cycle.rs:55:5: 55:8
++                     }
++                 }
++             }
++         }
++     }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/inline_cycle.rs:+1:5: +1:12
+-         _1 = call::<fn() {f}>(f) -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/inline_cycle.rs:+1:5: +1:12
++         StorageLive(_2);                 // scope 0 at $DIR/inline_cycle.rs:+1:5: +1:12
++         _2 = f;                          // scope 0 at $DIR/inline_cycle.rs:+1:5: +1:12
+                                           // mir::Constant
+-                                          // + span: $DIR/inline_cycle.rs:50:5: 50:9
+-                                          // + literal: Const { ty: fn(fn() {f}) {call::<fn() {f}>}, val: Value(<ZST>) }
+-                                          // mir::Constant
+                                           // + span: $DIR/inline_cycle.rs:50:10: 50:11
+                                           // + literal: Const { ty: fn() {f}, val: Value(<ZST>) }
++         StorageLive(_3);                 // scope 0 at $DIR/inline_cycle.rs:+1:5: +1:12
++         StorageLive(_4);                 // scope 1 at $DIR/inline_cycle.rs:55:5: 55:8
++         _4 = const ();                   // scope 1 at $DIR/inline_cycle.rs:55:5: 55:8
++         StorageLive(_5);                 // scope 2 at $SRC_DIR/core/src/ops/function.rs:LL:COL
++         _5 = f() -> [return: bb1, unwind unreachable]; // scope 5 at $SRC_DIR/core/src/ops/function.rs:LL:COL
++                                          // mir::Constant
++                                          // + span: no-location
++                                          // + literal: Const { ty: fn() {f}, val: Value(<ZST>) }
+      }
+  
+      bb1: {
++         StorageDead(_5);                 // scope 2 at $SRC_DIR/core/src/ops/function.rs:LL:COL
++         StorageDead(_4);                 // scope 1 at $DIR/inline_cycle.rs:55:5: 55:8
++         StorageDead(_3);                 // scope 0 at $DIR/inline_cycle.rs:+1:5: +1:12
++         StorageDead(_2);                 // scope 0 at $DIR/inline_cycle.rs:+1:5: +1:12
+          StorageDead(_1);                 // scope 0 at $DIR/inline_cycle.rs:+1:12: +1:13
+          _0 = const ();                   // scope 0 at $DIR/inline_cycle.rs:+0:10: +2:2
+          return;                          // scope 0 at $DIR/inline_cycle.rs:+2:2: +2:2
+      }
+  }
+  
diff --git a/tests/mir-opt/inline/inline_cycle.two.Inline.diff b/tests/mir-opt/inline/inline_cycle.two.Inline.panic-unwind.diff
index 48f0bd10301..48f0bd10301 100644
--- a/tests/mir-opt/inline/inline_cycle.two.Inline.diff
+++ b/tests/mir-opt/inline/inline_cycle.two.Inline.panic-unwind.diff
diff --git a/tests/mir-opt/inline/inline_cycle_generic.main.Inline.panic-abort.diff b/tests/mir-opt/inline/inline_cycle_generic.main.Inline.panic-abort.diff
new file mode 100644
index 00000000000..25a97cf0210
--- /dev/null
+++ b/tests/mir-opt/inline/inline_cycle_generic.main.Inline.panic-abort.diff
@@ -0,0 +1,31 @@
+- // MIR for `main` before Inline
++ // MIR for `main` after Inline
+  
+  fn main() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/inline_cycle_generic.rs:+0:11: +0:11
+      let _1: ();                          // in scope 0 at $DIR/inline_cycle_generic.rs:+1:5: +1:24
++     scope 1 (inlined <C as Call>::call) { // at $DIR/inline_cycle_generic.rs:10:5: 10:24
++         scope 2 (inlined <B<A> as Call>::call) { // at $DIR/inline_cycle_generic.rs:39:9: 39:31
++             scope 3 (inlined <A as Call>::call) { // at $DIR/inline_cycle_generic.rs:32:9: 32:28
++             }
++         }
++     }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/inline_cycle_generic.rs:+1:5: +1:24
+-         _1 = <C as Call>::call() -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/inline_cycle_generic.rs:+1:5: +1:24
++         _1 = <B<C> as Call>::call() -> [return: bb1, unwind unreachable]; // scope 3 at $DIR/inline_cycle_generic.rs:24:9: 24:31
+                                           // mir::Constant
+-                                          // + span: $DIR/inline_cycle_generic.rs:10:5: 10:22
+-                                          // + literal: Const { ty: fn() {<C as Call>::call}, val: Value(<ZST>) }
++                                          // + span: $DIR/inline_cycle_generic.rs:24:9: 24:29
++                                          // + literal: Const { ty: fn() {<B<C> as Call>::call}, val: Value(<ZST>) }
+      }
+  
+      bb1: {
+          StorageDead(_1);                 // scope 0 at $DIR/inline_cycle_generic.rs:+1:24: +1:25
+          _0 = const ();                   // scope 0 at $DIR/inline_cycle_generic.rs:+0:11: +2:2
+          return;                          // scope 0 at $DIR/inline_cycle_generic.rs:+2:2: +2:2
+      }
+  }
+  
diff --git a/tests/mir-opt/inline/inline_cycle_generic.main.Inline.diff b/tests/mir-opt/inline/inline_cycle_generic.main.Inline.panic-unwind.diff
index 8696e624b22..8696e624b22 100644
--- a/tests/mir-opt/inline/inline_cycle_generic.main.Inline.diff
+++ b/tests/mir-opt/inline/inline_cycle_generic.main.Inline.panic-unwind.diff
diff --git a/tests/mir-opt/inline/inline_diverging.f.Inline.panic-abort.diff b/tests/mir-opt/inline/inline_diverging.f.Inline.panic-abort.diff
new file mode 100644
index 00000000000..a818e7355ba
--- /dev/null
+++ b/tests/mir-opt/inline/inline_diverging.f.Inline.panic-abort.diff
@@ -0,0 +1,24 @@
+- // MIR for `f` before Inline
++ // MIR for `f` after Inline
+  
+  fn f() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/inline_diverging.rs:+0:12: +0:12
+      let mut _1: !;                       // in scope 0 at $DIR/inline_diverging.rs:+0:12: +2:2
+      let _2: !;                           // in scope 0 at $DIR/inline_diverging.rs:+1:5: +1:12
++     scope 1 (inlined sleep) {            // at $DIR/inline_diverging.rs:8:5: 8:12
++     }
+  
+      bb0: {
+          StorageLive(_2);                 // scope 0 at $DIR/inline_diverging.rs:+1:5: +1:12
+-         _2 = sleep() -> unwind unreachable; // scope 0 at $DIR/inline_diverging.rs:+1:5: +1:12
+-                                          // mir::Constant
+-                                          // + span: $DIR/inline_diverging.rs:8:5: 8:10
+-                                          // + literal: Const { ty: fn() -> ! {sleep}, val: Value(<ZST>) }
++         goto -> bb1;                     // scope 0 at $DIR/inline_diverging.rs:+1:5: +1:12
++     }
++ 
++     bb1: {
++         goto -> bb1;                     // scope 1 at $DIR/inline_diverging.rs:39:5: 39:12
+      }
+  }
+  
diff --git a/tests/mir-opt/inline/inline_diverging.f.Inline.diff b/tests/mir-opt/inline/inline_diverging.f.Inline.panic-unwind.diff
index b49191f495b..b49191f495b 100644
--- a/tests/mir-opt/inline/inline_diverging.f.Inline.diff
+++ b/tests/mir-opt/inline/inline_diverging.f.Inline.panic-unwind.diff
diff --git a/tests/mir-opt/inline/inline_diverging.g.Inline.panic-abort.diff b/tests/mir-opt/inline/inline_diverging.g.Inline.panic-abort.diff
new file mode 100644
index 00000000000..77a156a513e
--- /dev/null
+++ b/tests/mir-opt/inline/inline_diverging.g.Inline.panic-abort.diff
@@ -0,0 +1,49 @@
+- // MIR for `g` before Inline
++ // MIR for `g` after Inline
+  
+  fn g(_1: i32) -> u32 {
+      debug i => _1;                       // in scope 0 at $DIR/inline_diverging.rs:+0:10: +0:11
+      let mut _0: u32;                     // return place in scope 0 at $DIR/inline_diverging.rs:+0:21: +0:24
+      let mut _2: bool;                    // in scope 0 at $DIR/inline_diverging.rs:+1:8: +1:13
+      let mut _3: i32;                     // in scope 0 at $DIR/inline_diverging.rs:+1:8: +1:9
+      let mut _4: i32;                     // in scope 0 at $DIR/inline_diverging.rs:+2:9: +2:10
+      let mut _5: !;                       // in scope 0 at $DIR/inline_diverging.rs:+3:12: +5:6
+      let _6: !;                           // in scope 0 at $DIR/inline_diverging.rs:+4:9: +4:16
++     scope 1 (inlined panic) {            // at $DIR/inline_diverging.rs:16:9: 16:16
++         let mut _7: !;                   // in scope 1 at $SRC_DIR/std/src/panic.rs:LL:COL
++     }
+  
+      bb0: {
+          StorageLive(_2);                 // scope 0 at $DIR/inline_diverging.rs:+1:8: +1:13
+          StorageLive(_3);                 // scope 0 at $DIR/inline_diverging.rs:+1:8: +1:9
+          _3 = _1;                         // scope 0 at $DIR/inline_diverging.rs:+1:8: +1:9
+          _2 = Gt(move _3, const 0_i32);   // scope 0 at $DIR/inline_diverging.rs:+1:8: +1:13
+          StorageDead(_3);                 // scope 0 at $DIR/inline_diverging.rs:+1:12: +1:13
+          switchInt(move _2) -> [0: bb2, otherwise: bb1]; // scope 0 at $DIR/inline_diverging.rs:+1:8: +1:13
+      }
+  
+      bb1: {
+          StorageLive(_4);                 // scope 0 at $DIR/inline_diverging.rs:+2:9: +2:10
+          _4 = _1;                         // scope 0 at $DIR/inline_diverging.rs:+2:9: +2:10
+          _0 = move _4 as u32 (IntToInt);  // scope 0 at $DIR/inline_diverging.rs:+2:9: +2:17
+          StorageDead(_4);                 // scope 0 at $DIR/inline_diverging.rs:+2:16: +2:17
+          StorageDead(_2);                 // scope 0 at $DIR/inline_diverging.rs:+5:5: +5:6
+          return;                          // scope 0 at $DIR/inline_diverging.rs:+6:2: +6:2
+      }
+  
+      bb2: {
+          StorageLive(_6);                 // scope 0 at $DIR/inline_diverging.rs:+4:9: +4:16
+-         _6 = panic() -> unwind unreachable; // scope 0 at $DIR/inline_diverging.rs:+4:9: +4:16
++         StorageLive(_7);                 // scope 0 at $DIR/inline_diverging.rs:+4:9: +4:16
++         _7 = begin_panic::<&str>(const "explicit panic") -> unwind unreachable; // scope 1 at $SRC_DIR/std/src/panic.rs:LL:COL
+                                           // mir::Constant
+-                                          // + span: $DIR/inline_diverging.rs:16:9: 16:14
+-                                          // + literal: Const { ty: fn() -> ! {panic}, val: Value(<ZST>) }
++                                          // + span: $SRC_DIR/std/src/panic.rs:LL:COL
++                                          // + literal: Const { ty: fn(&str) -> ! {begin_panic::<&str>}, val: Value(<ZST>) }
++                                          // mir::Constant
++                                          // + span: $SRC_DIR/std/src/panic.rs:LL:COL
++                                          // + literal: Const { ty: &str, val: Value(Slice(..)) }
+      }
+  }
+  
diff --git a/tests/mir-opt/inline/inline_diverging.g.Inline.diff b/tests/mir-opt/inline/inline_diverging.g.Inline.panic-unwind.diff
index 4f22ad43700..4f22ad43700 100644
--- a/tests/mir-opt/inline/inline_diverging.g.Inline.diff
+++ b/tests/mir-opt/inline/inline_diverging.g.Inline.panic-unwind.diff
diff --git a/tests/mir-opt/inline/inline_diverging.h.Inline.panic-abort.diff b/tests/mir-opt/inline/inline_diverging.h.Inline.panic-abort.diff
new file mode 100644
index 00000000000..b864cbdfad0
--- /dev/null
+++ b/tests/mir-opt/inline/inline_diverging.h.Inline.panic-abort.diff
@@ -0,0 +1,51 @@
+- // MIR for `h` before Inline
++ // MIR for `h` after Inline
+  
+  fn h() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/inline_diverging.rs:+0:12: +0:12
+      let _1: (!, !);                      // in scope 0 at $DIR/inline_diverging.rs:+1:5: +1:22
++     let mut _2: fn() -> ! {sleep};       // in scope 0 at $DIR/inline_diverging.rs:+1:5: +1:22
++     let mut _7: ();                      // in scope 0 at $DIR/inline_diverging.rs:27:13: 27:16
++     scope 1 (inlined call_twice::<!, fn() -> ! {sleep}>) { // at $DIR/inline_diverging.rs:22:5: 22:22
++         debug f => _2;                   // in scope 1 at $DIR/inline_diverging.rs:26:36: 26:37
++         let mut _3: &fn() -> ! {sleep};  // in scope 1 at $DIR/inline_diverging.rs:27:13: 27:14
++         let mut _4: !;                   // in scope 1 at $DIR/inline_diverging.rs:29:6: 29:7
++         let mut _5: &fn() -> ! {sleep};  // in scope 1 at $DIR/inline_diverging.rs:28:13: 28:14
++         let mut _6: !;                   // in scope 1 at $DIR/inline_diverging.rs:29:9: 29:10
++         scope 2 {
++             debug a => _4;               // in scope 2 at $DIR/inline_diverging.rs:27:9: 27:10
++             scope 3 {
++                 debug b => _6;           // in scope 3 at $DIR/inline_diverging.rs:28:9: 28:10
++             }
++         }
++         scope 4 (inlined <fn() -> ! {sleep} as Fn<()>>::call - shim(fn() -> ! {sleep})) { // at $DIR/inline_diverging.rs:27:13: 27:16
++             scope 5 (inlined sleep) {    // at $SRC_DIR/core/src/ops/function.rs:LL:COL
++             }
++         }
++     }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/inline_diverging.rs:+1:5: +1:22
+-         _1 = call_twice::<!, fn() -> ! {sleep}>(sleep) -> unwind unreachable; // scope 0 at $DIR/inline_diverging.rs:+1:5: +1:22
++         StorageLive(_2);                 // scope 0 at $DIR/inline_diverging.rs:+1:5: +1:22
++         _2 = sleep;                      // scope 0 at $DIR/inline_diverging.rs:+1:5: +1:22
+                                           // mir::Constant
+-                                          // + span: $DIR/inline_diverging.rs:22:5: 22:15
+-                                          // + literal: Const { ty: fn(fn() -> ! {sleep}) -> (!, !) {call_twice::<!, fn() -> ! {sleep}>}, val: Value(<ZST>) }
+-                                          // mir::Constant
+                                           // + span: $DIR/inline_diverging.rs:22:16: 22:21
+                                           // + literal: Const { ty: fn() -> ! {sleep}, val: Value(<ZST>) }
++         StorageLive(_4);                 // scope 0 at $DIR/inline_diverging.rs:+1:5: +1:22
++         StorageLive(_6);                 // scope 0 at $DIR/inline_diverging.rs:+1:5: +1:22
++         StorageLive(_3);                 // scope 1 at $DIR/inline_diverging.rs:27:13: 27:14
++         _3 = &_2;                        // scope 1 at $DIR/inline_diverging.rs:27:13: 27:14
++         StorageLive(_7);                 // scope 1 at $DIR/inline_diverging.rs:27:13: 27:16
++         _7 = const ();                   // scope 1 at $DIR/inline_diverging.rs:27:13: 27:16
++         goto -> bb1;                     // scope 5 at $DIR/inline_diverging.rs:39:5: 39:12
++     }
++ 
++     bb1: {
++         goto -> bb1;                     // scope 5 at $DIR/inline_diverging.rs:39:5: 39:12
+      }
+  }
+  
diff --git a/tests/mir-opt/inline/inline_diverging.h.Inline.diff b/tests/mir-opt/inline/inline_diverging.h.Inline.panic-unwind.diff
index 78cd47c5f4b..78cd47c5f4b 100644
--- a/tests/mir-opt/inline/inline_diverging.h.Inline.diff
+++ b/tests/mir-opt/inline/inline_diverging.h.Inline.panic-unwind.diff
diff --git a/tests/mir-opt/inline/inline_generator.main.Inline.panic-abort.diff b/tests/mir-opt/inline/inline_generator.main.Inline.panic-abort.diff
new file mode 100644
index 00000000000..21a8bf09254
--- /dev/null
+++ b/tests/mir-opt/inline/inline_generator.main.Inline.panic-abort.diff
@@ -0,0 +1,127 @@
+- // MIR for `main` before Inline
++ // MIR for `main` after Inline
+  
+  fn main() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/inline_generator.rs:+0:11: +0:11
+      let _1: std::ops::GeneratorState<i32, bool>; // in scope 0 at $DIR/inline_generator.rs:+1:9: +1:11
+      let mut _2: std::pin::Pin<&mut [generator@$DIR/inline_generator.rs:15:5: 15:8]>; // in scope 0 at $DIR/inline_generator.rs:+1:14: +1:32
+      let mut _3: &mut [generator@$DIR/inline_generator.rs:15:5: 15:8]; // in scope 0 at $DIR/inline_generator.rs:+1:23: +1:31
+      let mut _4: [generator@$DIR/inline_generator.rs:15:5: 15:8]; // in scope 0 at $DIR/inline_generator.rs:+1:28: +1:31
++     let mut _5: bool;                    // in scope 0 at $DIR/inline_generator.rs:+1:33: +1:46
+      scope 1 {
+          debug _r => _1;                  // in scope 1 at $DIR/inline_generator.rs:+1:9: +1:11
+      }
++     scope 2 (inlined g) {                // at $DIR/inline_generator.rs:9:28: 9:31
++     }
++     scope 3 (inlined Pin::<&mut [generator@$DIR/inline_generator.rs:15:5: 15:8]>::new) { // at $DIR/inline_generator.rs:9:14: 9:32
++         debug pointer => _3;             // in scope 3 at $SRC_DIR/core/src/pin.rs:LL:COL
++         scope 4 {
++             scope 5 (inlined Pin::<&mut [generator@$DIR/inline_generator.rs:15:5: 15:8]>::new_unchecked) { // at $SRC_DIR/core/src/pin.rs:LL:COL
++                 debug pointer => _3;     // in scope 5 at $SRC_DIR/core/src/pin.rs:LL:COL
++             }
++         }
++     }
++     scope 6 (inlined g::{closure#0}) {   // at $DIR/inline_generator.rs:9:33: 9:46
++         debug a => _5;                   // in scope 6 at $DIR/inline_generator.rs:15:6: 15:7
++         let mut _6: &mut [generator@$DIR/inline_generator.rs:15:5: 15:8]; // in scope 6 at $DIR/inline_generator.rs:15:5: 15:41
++         let mut _7: u32;                 // in scope 6 at $DIR/inline_generator.rs:15:5: 15:41
++         let mut _8: i32;                 // in scope 6 at $DIR/inline_generator.rs:15:17: 15:39
++         let mut _9: &mut [generator@$DIR/inline_generator.rs:15:5: 15:8]; // in scope 6 at $DIR/inline_generator.rs:15:5: 15:41
++         let mut _10: &mut [generator@$DIR/inline_generator.rs:15:5: 15:8]; // in scope 6 at $DIR/inline_generator.rs:15:5: 15:41
++     }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/inline_generator.rs:+1:9: +1:11
+          StorageLive(_2);                 // scope 0 at $DIR/inline_generator.rs:+1:14: +1:32
+          StorageLive(_3);                 // scope 0 at $DIR/inline_generator.rs:+1:23: +1:31
+          StorageLive(_4);                 // scope 0 at $DIR/inline_generator.rs:+1:28: +1:31
+-         _4 = g() -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/inline_generator.rs:+1:28: +1:31
+-                                          // mir::Constant
+-                                          // + span: $DIR/inline_generator.rs:9:28: 9:29
+-                                          // + literal: Const { ty: fn() -> impl Generator<bool> {g}, val: Value(<ZST>) }
+-     }
+- 
+-     bb1: {
++         _4 = [generator@$DIR/inline_generator.rs:15:5: 15:8 (#0)]; // scope 2 at $DIR/inline_generator.rs:15:5: 15:41
++                                          // generator
++                                          // + def_id: DefId(0:7 ~ inline_generator[e37e]::g::{closure#0})
++                                          // + substs: [
++                                          //     bool,
++                                          //     i32,
++                                          //     bool,
++                                          //     {bool, i32},
++                                          //     (),
++                                          // ]
++                                          // + movability: Movable
+          _3 = &mut _4;                    // scope 0 at $DIR/inline_generator.rs:+1:23: +1:31
+-         _2 = Pin::<&mut [generator@$DIR/inline_generator.rs:15:5: 15:8]>::new(move _3) -> [return: bb2, unwind unreachable]; // scope 0 at $DIR/inline_generator.rs:+1:14: +1:32
+-                                          // mir::Constant
+-                                          // + span: $DIR/inline_generator.rs:9:14: 9:22
+-                                          // + user_ty: UserType(0)
+-                                          // + literal: Const { ty: fn(&mut [generator@$DIR/inline_generator.rs:15:5: 15:8]) -> Pin<&mut [generator@$DIR/inline_generator.rs:15:5: 15:8]> {Pin::<&mut [generator@$DIR/inline_generator.rs:15:5: 15:8]>::new}, val: Value(<ZST>) }
+-     }
+- 
+-     bb2: {
++         _2 = Pin::<&mut [generator@$DIR/inline_generator.rs:15:5: 15:8]> { pointer: move _3 }; // scope 5 at $SRC_DIR/core/src/pin.rs:LL:COL
+          StorageDead(_3);                 // scope 0 at $DIR/inline_generator.rs:+1:31: +1:32
+-         _1 = <[generator@$DIR/inline_generator.rs:15:5: 15:8] as Generator<bool>>::resume(move _2, const false) -> [return: bb3, unwind unreachable]; // scope 0 at $DIR/inline_generator.rs:+1:14: +1:46
+-                                          // mir::Constant
+-                                          // + span: $DIR/inline_generator.rs:9:33: 9:39
+-                                          // + literal: Const { ty: for<'a> fn(Pin<&'a mut [generator@$DIR/inline_generator.rs:15:5: 15:8]>, bool) -> GeneratorState<<[generator@$DIR/inline_generator.rs:15:5: 15:8] as Generator<bool>>::Yield, <[generator@$DIR/inline_generator.rs:15:5: 15:8] as Generator<bool>>::Return> {<[generator@$DIR/inline_generator.rs:15:5: 15:8] as Generator<bool>>::resume}, val: Value(<ZST>) }
++         StorageLive(_5);                 // scope 0 at $DIR/inline_generator.rs:+1:33: +1:46
++         _5 = const false;                // scope 0 at $DIR/inline_generator.rs:+1:33: +1:46
++         _6 = deref_copy (_2.0: &mut [generator@$DIR/inline_generator.rs:15:5: 15:8]); // scope 6 at $DIR/inline_generator.rs:15:5: 15:41
++         _7 = discriminant((*_6));        // scope 6 at $DIR/inline_generator.rs:15:5: 15:41
++         switchInt(move _7) -> [0: bb2, 1: bb6, 3: bb7, otherwise: bb8]; // scope 6 at $DIR/inline_generator.rs:15:5: 15:41
+      }
+  
+-     bb3: {
++     bb1: {
++         StorageDead(_5);                 // scope 0 at $DIR/inline_generator.rs:+1:33: +1:46
+          StorageDead(_2);                 // scope 0 at $DIR/inline_generator.rs:+1:45: +1:46
+          StorageDead(_4);                 // scope 0 at $DIR/inline_generator.rs:+1:46: +1:47
+          _0 = const ();                   // scope 0 at $DIR/inline_generator.rs:+0:11: +2:2
+          StorageDead(_1);                 // scope 0 at $DIR/inline_generator.rs:+2:1: +2:2
+          return;                          // scope 0 at $DIR/inline_generator.rs:+2:2: +2:2
++     }
++ 
++     bb2: {
++         StorageLive(_8);                 // scope 6 at $DIR/inline_generator.rs:15:17: 15:39
++         switchInt(_5) -> [0: bb3, otherwise: bb4]; // scope 6 at $DIR/inline_generator.rs:15:20: 15:21
++     }
++ 
++     bb3: {
++         _8 = const 13_i32;               // scope 6 at $DIR/inline_generator.rs:15:35: 15:37
++         goto -> bb5;                     // scope 6 at $DIR/inline_generator.rs:15:17: 15:39
++     }
++ 
++     bb4: {
++         _8 = const 7_i32;                // scope 6 at $DIR/inline_generator.rs:15:24: 15:25
++         goto -> bb5;                     // scope 6 at $DIR/inline_generator.rs:15:17: 15:39
++     }
++ 
++     bb5: {
++         _1 = GeneratorState::<i32, bool>::Yielded(move _8); // scope 6 at $DIR/inline_generator.rs:15:11: 15:39
++         _9 = deref_copy (_2.0: &mut [generator@$DIR/inline_generator.rs:15:5: 15:8]); // scope 6 at $DIR/inline_generator.rs:15:11: 15:39
++         discriminant((*_9)) = 3;         // scope 6 at $DIR/inline_generator.rs:15:11: 15:39
++         goto -> bb1;                     // scope 0 at $DIR/inline_generator.rs:15:11: 15:39
++     }
++ 
++     bb6: {
++         assert(const false, "generator resumed after completion") -> [success: bb6, unwind unreachable]; // scope 6 at $DIR/inline_generator.rs:15:5: 15:41
++     }
++ 
++     bb7: {
++         StorageLive(_8);                 // scope 6 at $DIR/inline_generator.rs:15:5: 15:41
++         StorageDead(_8);                 // scope 6 at $DIR/inline_generator.rs:15:38: 15:39
++         _1 = GeneratorState::<i32, bool>::Complete(_5); // scope 6 at $DIR/inline_generator.rs:15:41: 15:41
++         _10 = deref_copy (_2.0: &mut [generator@$DIR/inline_generator.rs:15:5: 15:8]); // scope 6 at $DIR/inline_generator.rs:15:41: 15:41
++         discriminant((*_10)) = 1;        // scope 6 at $DIR/inline_generator.rs:15:41: 15:41
++         goto -> bb1;                     // scope 0 at $DIR/inline_generator.rs:15:41: 15:41
++     }
++ 
++     bb8: {
++         unreachable;                     // scope 6 at $DIR/inline_generator.rs:15:5: 15:41
+      }
+  }
+  
diff --git a/tests/mir-opt/inline/inline_generator.main.Inline.diff b/tests/mir-opt/inline/inline_generator.main.Inline.panic-unwind.diff
index 0dcae1e4d45..0dcae1e4d45 100644
--- a/tests/mir-opt/inline/inline_generator.main.Inline.diff
+++ b/tests/mir-opt/inline/inline_generator.main.Inline.panic-unwind.diff
diff --git a/tests/mir-opt/inline/inline_into_box_place.main.Inline.panic-abort.diff b/tests/mir-opt/inline/inline_into_box_place.main.Inline.panic-abort.diff
new file mode 100644
index 00000000000..3b3b29af394
--- /dev/null
+++ b/tests/mir-opt/inline/inline_into_box_place.main.Inline.panic-abort.diff
@@ -0,0 +1,72 @@
+- // MIR for `main` before Inline
++ // MIR for `main` after Inline
+  
+  fn main() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/inline_into_box_place.rs:+0:11: +0:11
+      let _1: std::boxed::Box<std::vec::Vec<u32>>; // in scope 0 at $DIR/inline_into_box_place.rs:+1:9: +1:11
+      let mut _2: std::vec::Vec<u32>;      // in scope 0 at $DIR/inline_into_box_place.rs:+1:38: +1:48
+      scope 1 {
+          debug _x => _1;                  // in scope 1 at $DIR/inline_into_box_place.rs:+1:9: +1:11
+      }
++     scope 2 (inlined Vec::<u32>::new) {  // at $DIR/inline_into_box_place.rs:8:38: 8:48
++         let mut _3: alloc::raw_vec::RawVec<u32>; // in scope 2 at $SRC_DIR/alloc/src/vec/mod.rs:LL:COL
++     }
++     scope 3 (inlined Box::<Vec<u32>>::new) { // at $DIR/inline_into_box_place.rs:8:29: 8:49
++         debug x => _2;                   // in scope 3 at $SRC_DIR/alloc/src/boxed.rs:LL:COL
++         let mut _4: usize;               // in scope 3 at $SRC_DIR/alloc/src/boxed.rs:LL:COL
++         let mut _5: usize;               // in scope 3 at $SRC_DIR/alloc/src/boxed.rs:LL:COL
++         let mut _6: *mut u8;             // in scope 3 at $SRC_DIR/alloc/src/boxed.rs:LL:COL
++         let mut _7: *const std::vec::Vec<u32>; // in scope 3 at $SRC_DIR/alloc/src/boxed.rs:LL:COL
++         scope 4 {
++         }
++     }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/inline_into_box_place.rs:+1:9: +1:11
+          StorageLive(_2);                 // scope 0 at $DIR/inline_into_box_place.rs:+1:38: +1:48
+-         _2 = Vec::<u32>::new() -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/inline_into_box_place.rs:+1:38: +1:48
++         StorageLive(_3);                 // scope 2 at $SRC_DIR/alloc/src/vec/mod.rs:LL:COL
++         _3 = const _;                    // scope 2 at $SRC_DIR/alloc/src/vec/mod.rs:LL:COL
+                                           // mir::Constant
+-                                          // + span: $DIR/inline_into_box_place.rs:8:38: 8:46
+-                                          // + user_ty: UserType(2)
+-                                          // + literal: Const { ty: fn() -> Vec<u32> {Vec::<u32>::new}, val: Value(<ZST>) }
++                                          // + span: $SRC_DIR/alloc/src/vec/mod.rs:LL:COL
++                                          // + user_ty: UserType(0)
++                                          // + literal: Const { ty: alloc::raw_vec::RawVec<u32>, val: Unevaluated(alloc::raw_vec::RawVec::<T>::NEW, [u32], None) }
++         _2 = Vec::<u32> { buf: move _3, len: const 0_usize }; // scope 2 at $SRC_DIR/alloc/src/vec/mod.rs:LL:COL
++         StorageDead(_3);                 // scope 2 at $SRC_DIR/alloc/src/vec/mod.rs:LL:COL
++         _4 = SizeOf(std::vec::Vec<u32>); // scope 4 at $SRC_DIR/alloc/src/boxed.rs:LL:COL
++         _5 = AlignOf(std::vec::Vec<u32>); // scope 4 at $SRC_DIR/alloc/src/boxed.rs:LL:COL
++         _6 = alloc::alloc::exchange_malloc(move _4, move _5) -> [return: bb2, unwind unreachable]; // scope 4 at $SRC_DIR/alloc/src/boxed.rs:LL:COL
++                                          // mir::Constant
++                                          // + span: $SRC_DIR/alloc/src/boxed.rs:LL:COL
++                                          // + literal: Const { ty: unsafe fn(usize, usize) -> *mut u8 {alloc::alloc::exchange_malloc}, val: Value(<ZST>) }
+      }
+  
+      bb1: {
+-         _1 = Box::<Vec<u32>>::new(move _2) -> [return: bb2, unwind unreachable]; // scope 0 at $DIR/inline_into_box_place.rs:+1:29: +1:49
+-                                          // mir::Constant
+-                                          // + span: $DIR/inline_into_box_place.rs:8:29: 8:37
+-                                          // + user_ty: UserType(1)
+-                                          // + literal: Const { ty: fn(Vec<u32>) -> Box<Vec<u32>> {Box::<Vec<u32>>::new}, val: Value(<ZST>) }
++         StorageDead(_1);                 // scope 0 at $DIR/inline_into_box_place.rs:+2:1: +2:2
++         return;                          // scope 0 at $DIR/inline_into_box_place.rs:+2:2: +2:2
+      }
+  
+      bb2: {
++         _1 = ShallowInitBox(move _6, std::vec::Vec<u32>); // scope 3 at $SRC_DIR/alloc/src/boxed.rs:LL:COL
++         _7 = (((_1.0: std::ptr::Unique<std::vec::Vec<u32>>).0: std::ptr::NonNull<std::vec::Vec<u32>>).0: *const std::vec::Vec<u32>); // scope 3 at $SRC_DIR/alloc/src/boxed.rs:LL:COL
++         (*_7) = move _2;                 // scope 3 at $SRC_DIR/alloc/src/boxed.rs:LL:COL
+          StorageDead(_2);                 // scope 0 at $DIR/inline_into_box_place.rs:+1:48: +1:49
+          _0 = const ();                   // scope 0 at $DIR/inline_into_box_place.rs:+0:11: +2:2
+-         drop(_1) -> [return: bb3, unwind unreachable]; // scope 0 at $DIR/inline_into_box_place.rs:+2:1: +2:2
+-     }
+- 
+-     bb3: {
+-         StorageDead(_1);                 // scope 0 at $DIR/inline_into_box_place.rs:+2:1: +2:2
+-         return;                          // scope 0 at $DIR/inline_into_box_place.rs:+2:2: +2:2
++         drop(_1) -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/inline_into_box_place.rs:+2:1: +2:2
+      }
+  }
+  
diff --git a/tests/mir-opt/inline/inline_into_box_place.main.Inline.diff b/tests/mir-opt/inline/inline_into_box_place.main.Inline.panic-unwind.diff
index a5129e0e8c8..a5129e0e8c8 100644
--- a/tests/mir-opt/inline/inline_into_box_place.main.Inline.diff
+++ b/tests/mir-opt/inline/inline_into_box_place.main.Inline.panic-unwind.diff
diff --git a/tests/mir-opt/inline/inline_options.main.Inline.after.panic-abort.mir b/tests/mir-opt/inline/inline_options.main.Inline.after.panic-abort.mir
new file mode 100644
index 00000000000..755ef3fa3d8
--- /dev/null
+++ b/tests/mir-opt/inline/inline_options.main.Inline.after.panic-abort.mir
@@ -0,0 +1,55 @@
+// MIR for `main` after Inline
+
+fn main() -> () {
+    let mut _0: ();                      // return place in scope 0 at $DIR/inline_options.rs:+0:11: +0:11
+    let _1: ();                          // in scope 0 at $DIR/inline_options.rs:+1:5: +1:18
+    let _2: ();                          // in scope 0 at $DIR/inline_options.rs:+2:5: +2:21
+    scope 1 (inlined inlined::<u32>) {   // at $DIR/inline_options.rs:11:5: 11:21
+        let _3: ();                      // in scope 1 at $DIR/inline_options.rs:17:23: 17:26
+        let _4: ();                      // in scope 1 at $DIR/inline_options.rs:17:28: 17:31
+        let _5: ();                      // in scope 1 at $DIR/inline_options.rs:17:33: 17:36
+    }
+
+    bb0: {
+        StorageLive(_1);                 // scope 0 at $DIR/inline_options.rs:+1:5: +1:18
+        _1 = not_inlined() -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/inline_options.rs:+1:5: +1:18
+                                         // mir::Constant
+                                         // + span: $DIR/inline_options.rs:10:5: 10:16
+                                         // + literal: Const { ty: fn() {not_inlined}, val: Value(<ZST>) }
+    }
+
+    bb1: {
+        StorageDead(_1);                 // scope 0 at $DIR/inline_options.rs:+1:18: +1:19
+        StorageLive(_2);                 // scope 0 at $DIR/inline_options.rs:+2:5: +2:21
+        StorageLive(_3);                 // scope 0 at $DIR/inline_options.rs:+2:5: +2:21
+        StorageLive(_4);                 // scope 0 at $DIR/inline_options.rs:+2:5: +2:21
+        StorageLive(_5);                 // scope 0 at $DIR/inline_options.rs:+2:5: +2:21
+        _3 = g() -> [return: bb3, unwind unreachable]; // scope 1 at $DIR/inline_options.rs:17:23: 17:26
+                                         // mir::Constant
+                                         // + span: $DIR/inline_options.rs:17:23: 17:24
+                                         // + literal: Const { ty: fn() {g}, val: Value(<ZST>) }
+    }
+
+    bb2: {
+        StorageDead(_5);                 // scope 0 at $DIR/inline_options.rs:+2:5: +2:21
+        StorageDead(_4);                 // scope 0 at $DIR/inline_options.rs:+2:5: +2:21
+        StorageDead(_3);                 // scope 0 at $DIR/inline_options.rs:+2:5: +2:21
+        StorageDead(_2);                 // scope 0 at $DIR/inline_options.rs:+2:21: +2:22
+        _0 = const ();                   // scope 0 at $DIR/inline_options.rs:+0:11: +3:2
+        return;                          // scope 0 at $DIR/inline_options.rs:+3:2: +3:2
+    }
+
+    bb3: {
+        _4 = g() -> [return: bb4, unwind unreachable]; // scope 1 at $DIR/inline_options.rs:17:28: 17:31
+                                         // mir::Constant
+                                         // + span: $DIR/inline_options.rs:17:28: 17:29
+                                         // + literal: Const { ty: fn() {g}, val: Value(<ZST>) }
+    }
+
+    bb4: {
+        _5 = g() -> [return: bb2, unwind unreachable]; // scope 1 at $DIR/inline_options.rs:17:33: 17:36
+                                         // mir::Constant
+                                         // + span: $DIR/inline_options.rs:17:33: 17:34
+                                         // + literal: Const { ty: fn() {g}, val: Value(<ZST>) }
+    }
+}
diff --git a/tests/mir-opt/inline/inline_options.main.Inline.after.mir b/tests/mir-opt/inline/inline_options.main.Inline.after.panic-unwind.mir
index a2938ead0dc..a2938ead0dc 100644
--- a/tests/mir-opt/inline/inline_options.main.Inline.after.mir
+++ b/tests/mir-opt/inline/inline_options.main.Inline.after.panic-unwind.mir
diff --git a/tests/mir-opt/inline/inline_shims.clone.Inline.panic-abort.diff b/tests/mir-opt/inline/inline_shims.clone.Inline.panic-abort.diff
new file mode 100644
index 00000000000..d8521bb1d62
--- /dev/null
+++ b/tests/mir-opt/inline/inline_shims.clone.Inline.panic-abort.diff
@@ -0,0 +1,26 @@
+- // MIR for `clone` before Inline
++ // MIR for `clone` after Inline
+  
+  fn clone(_1: fn(A, B)) -> fn(A, B) {
+      debug f => _1;                       // in scope 0 at $DIR/inline_shims.rs:+0:20: +0:21
+      let mut _0: fn(A, B);                // return place in scope 0 at $DIR/inline_shims.rs:+0:36: +0:44
+      let mut _2: &fn(A, B);               // in scope 0 at $DIR/inline_shims.rs:+1:5: +1:14
++     scope 1 (inlined <fn(A, B) as Clone>::clone - shim(fn(A, B))) { // at $DIR/inline_shims.rs:6:7: 6:14
++     }
+  
+      bb0: {
+          StorageLive(_2);                 // scope 0 at $DIR/inline_shims.rs:+1:5: +1:14
+          _2 = &_1;                        // scope 0 at $DIR/inline_shims.rs:+1:5: +1:14
+-         _0 = <fn(A, B) as Clone>::clone(move _2) -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/inline_shims.rs:+1:5: +1:14
+-                                          // mir::Constant
+-                                          // + span: $DIR/inline_shims.rs:6:7: 6:12
+-                                          // + literal: Const { ty: for<'a> fn(&'a fn(A, B)) -> fn(A, B) {<fn(A, B) as Clone>::clone}, val: Value(<ZST>) }
+-     }
+- 
+-     bb1: {
++         _0 = (*_2);                      // scope 1 at $SRC_DIR/core/src/clone.rs:LL:COL
+          StorageDead(_2);                 // scope 0 at $DIR/inline_shims.rs:+1:13: +1:14
+          return;                          // scope 0 at $DIR/inline_shims.rs:+2:2: +2:2
+      }
+  }
+  
diff --git a/tests/mir-opt/inline/inline_shims.clone.Inline.diff b/tests/mir-opt/inline/inline_shims.clone.Inline.panic-unwind.diff
index 09dd35c4c68..09dd35c4c68 100644
--- a/tests/mir-opt/inline/inline_shims.clone.Inline.diff
+++ b/tests/mir-opt/inline/inline_shims.clone.Inline.panic-unwind.diff
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
new file mode 100644
index 00000000000..49b36f0d91b
--- /dev/null
+++ b/tests/mir-opt/inline/inline_shims.drop.Inline.panic-abort.diff
@@ -0,0 +1,72 @@
+- // MIR for `drop` before Inline
++ // MIR for `drop` after Inline
+  
+  fn drop(_1: *mut Vec<A>, _2: *mut Option<B>) -> () {
+      debug a => _1;                       // in scope 0 at $DIR/inline_shims.rs:+0:19: +0:20
+      debug b => _2;                       // in scope 0 at $DIR/inline_shims.rs:+0:35: +0:36
+      let mut _0: ();                      // return place in scope 0 at $DIR/inline_shims.rs:+0:54: +0:54
+      let _3: ();                          // in scope 0 at $DIR/inline_shims.rs:+1:14: +1:40
+      let mut _4: *mut std::vec::Vec<A>;   // in scope 0 at $DIR/inline_shims.rs:+1:38: +1:39
+      let mut _5: *mut std::option::Option<B>; // in scope 0 at $DIR/inline_shims.rs:+2:38: +2:39
+      scope 1 {
++         scope 3 (inlined std::ptr::drop_in_place::<Vec<A>> - shim(Some(Vec<A>))) { // at $DIR/inline_shims.rs:11:14: 11:40
++             let mut _6: &mut std::vec::Vec<A>; // in scope 3 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
++             let mut _7: ();              // in scope 3 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
++         }
+      }
+      scope 2 {
++         scope 4 (inlined std::ptr::drop_in_place::<Option<B>> - shim(Some(Option<B>))) { // at $DIR/inline_shims.rs:12:14: 12:40
++             let mut _8: isize;           // in scope 4 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
++             let mut _9: isize;           // in scope 4 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
++         }
+      }
+  
+      bb0: {
+          StorageLive(_3);                 // scope 0 at $DIR/inline_shims.rs:+1:5: +1:42
+          StorageLive(_4);                 // scope 1 at $DIR/inline_shims.rs:+1:38: +1:39
+          _4 = _1;                         // scope 1 at $DIR/inline_shims.rs:+1:38: +1:39
+-         _3 = std::ptr::drop_in_place::<Vec<A>>(move _4) -> [return: bb1, unwind unreachable]; // scope 1 at $DIR/inline_shims.rs:+1:14: +1:40
++         StorageLive(_6);                 // scope 1 at $DIR/inline_shims.rs:+1:14: +1:40
++         StorageLive(_7);                 // scope 1 at $DIR/inline_shims.rs:+1:14: +1:40
++         _6 = &mut (*_4);                 // scope 3 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
++         _7 = <Vec<A> as Drop>::drop(move _6) -> [return: bb2, unwind unreachable]; // scope 3 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
+                                           // mir::Constant
+-                                          // + span: $DIR/inline_shims.rs:11:14: 11:37
+-                                          // + literal: Const { ty: unsafe fn(*mut Vec<A>) {std::ptr::drop_in_place::<Vec<A>>}, val: Value(<ZST>) }
++                                          // + span: $SRC_DIR/core/src/ptr/mod.rs:LL:COL
++                                          // + literal: Const { ty: for<'a> fn(&'a mut Vec<A>) {<Vec<A> as Drop>::drop}, val: Value(<ZST>) }
+      }
+  
+      bb1: {
++         StorageDead(_7);                 // scope 1 at $DIR/inline_shims.rs:+1:14: +1:40
++         StorageDead(_6);                 // scope 1 at $DIR/inline_shims.rs:+1:14: +1:40
+          StorageDead(_4);                 // scope 1 at $DIR/inline_shims.rs:+1:39: +1:40
+          StorageDead(_3);                 // scope 0 at $DIR/inline_shims.rs:+1:41: +1:42
+          StorageLive(_5);                 // scope 2 at $DIR/inline_shims.rs:+2:38: +2:39
+          _5 = _2;                         // scope 2 at $DIR/inline_shims.rs:+2:38: +2:39
+-         _0 = std::ptr::drop_in_place::<Option<B>>(move _5) -> [return: bb2, unwind unreachable]; // scope 2 at $DIR/inline_shims.rs:+2:14: +2:40
+-                                          // mir::Constant
+-                                          // + span: $DIR/inline_shims.rs:12:14: 12:37
+-                                          // + literal: Const { ty: unsafe fn(*mut Option<B>) {std::ptr::drop_in_place::<Option<B>>}, val: Value(<ZST>) }
++         StorageLive(_8);                 // scope 2 at $DIR/inline_shims.rs:+2:14: +2:40
++         StorageLive(_9);                 // scope 2 at $DIR/inline_shims.rs:+2:14: +2:40
++         _8 = discriminant((*_5));        // scope 4 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
++         switchInt(move _8) -> [0: bb3, otherwise: bb4]; // scope 4 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
+      }
+  
+      bb2: {
++         drop(((*_4).0: alloc::raw_vec::RawVec<A>)) -> [return: bb1, unwind unreachable]; // scope 3 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
++     }
++ 
++     bb3: {
++         StorageDead(_9);                 // scope 2 at $DIR/inline_shims.rs:+2:14: +2:40
++         StorageDead(_8);                 // scope 2 at $DIR/inline_shims.rs:+2:14: +2:40
+          StorageDead(_5);                 // scope 2 at $DIR/inline_shims.rs:+2:39: +2:40
+          return;                          // scope 0 at $DIR/inline_shims.rs:+3:2: +3:2
++     }
++ 
++     bb4: {
++         drop((((*_5) as Some).0: B)) -> [return: bb3, unwind unreachable]; // scope 4 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
+      }
+  }
+  
diff --git a/tests/mir-opt/inline/inline_shims.drop.Inline.diff b/tests/mir-opt/inline/inline_shims.drop.Inline.panic-unwind.diff
index 36ddb189e0d..36ddb189e0d 100644
--- a/tests/mir-opt/inline/inline_shims.drop.Inline.diff
+++ b/tests/mir-opt/inline/inline_shims.drop.Inline.panic-unwind.diff
diff --git a/tests/mir-opt/inline/inline_specialization.main.Inline.panic-abort.diff b/tests/mir-opt/inline/inline_specialization.main.Inline.panic-abort.diff
new file mode 100644
index 00000000000..451c90b1605
--- /dev/null
+++ b/tests/mir-opt/inline/inline_specialization.main.Inline.panic-abort.diff
@@ -0,0 +1,28 @@
+- // MIR for `main` before Inline
++ // MIR for `main` after Inline
+  
+  fn main() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/inline_specialization.rs:+0:11: +0:11
+      let _1: u32;                         // in scope 0 at $DIR/inline_specialization.rs:+1:9: +1:10
+      scope 1 {
+          debug x => _1;                   // in scope 1 at $DIR/inline_specialization.rs:+1:9: +1:10
+      }
++     scope 2 (inlined <Vec<()> as Foo>::bar) { // at $DIR/inline_specialization.rs:6:13: 6:38
++     }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/inline_specialization.rs:+1:9: +1:10
+-         _1 = <Vec<()> as Foo>::bar() -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/inline_specialization.rs:+1:13: +1:38
+-                                          // mir::Constant
+-                                          // + span: $DIR/inline_specialization.rs:6:13: 6:36
+-                                          // + literal: Const { ty: fn() -> u32 {<Vec<()> as Foo>::bar}, val: Value(<ZST>) }
+-     }
+- 
+-     bb1: {
++         _1 = const 123_u32;              // scope 2 at $DIR/inline_specialization.rs:15:31: 15:34
+          _0 = const ();                   // scope 0 at $DIR/inline_specialization.rs:+0:11: +2:2
+          StorageDead(_1);                 // scope 0 at $DIR/inline_specialization.rs:+2:1: +2:2
+          return;                          // scope 0 at $DIR/inline_specialization.rs:+2:2: +2:2
+      }
+  }
+  
diff --git a/tests/mir-opt/inline/inline_specialization.main.Inline.diff b/tests/mir-opt/inline/inline_specialization.main.Inline.panic-unwind.diff
index 9dde9994d1d..9dde9994d1d 100644
--- a/tests/mir-opt/inline/inline_specialization.main.Inline.diff
+++ b/tests/mir-opt/inline/inline_specialization.main.Inline.panic-unwind.diff
diff --git a/tests/mir-opt/inline/inline_trait_method.test.Inline.after.panic-abort.mir b/tests/mir-opt/inline/inline_trait_method.test.Inline.after.panic-abort.mir
new file mode 100644
index 00000000000..a6496bf5f0d
--- /dev/null
+++ b/tests/mir-opt/inline/inline_trait_method.test.Inline.after.panic-abort.mir
@@ -0,0 +1,21 @@
+// MIR for `test` after Inline
+
+fn test(_1: &dyn X) -> u32 {
+    debug x => _1;                       // in scope 0 at $DIR/inline_trait_method.rs:+0:9: +0:10
+    let mut _0: u32;                     // return place in scope 0 at $DIR/inline_trait_method.rs:+0:23: +0:26
+    let mut _2: &dyn X;                  // in scope 0 at $DIR/inline_trait_method.rs:+1:5: +1:10
+
+    bb0: {
+        StorageLive(_2);                 // scope 0 at $DIR/inline_trait_method.rs:+1:5: +1:10
+        _2 = &(*_1);                     // scope 0 at $DIR/inline_trait_method.rs:+1:5: +1:10
+        _0 = <dyn X as X>::y(move _2) -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/inline_trait_method.rs:+1:5: +1:10
+                                         // mir::Constant
+                                         // + span: $DIR/inline_trait_method.rs:10:7: 10:8
+                                         // + literal: Const { ty: for<'a> fn(&'a dyn X) -> u32 {<dyn X as X>::y}, val: Value(<ZST>) }
+    }
+
+    bb1: {
+        StorageDead(_2);                 // scope 0 at $DIR/inline_trait_method.rs:+1:9: +1:10
+        return;                          // scope 0 at $DIR/inline_trait_method.rs:+2:2: +2:2
+    }
+}
diff --git a/tests/mir-opt/inline/inline_trait_method.test.Inline.after.mir b/tests/mir-opt/inline/inline_trait_method.test.Inline.after.panic-unwind.mir
index a9020a5bbb7..a9020a5bbb7 100644
--- a/tests/mir-opt/inline/inline_trait_method.test.Inline.after.mir
+++ b/tests/mir-opt/inline/inline_trait_method.test.Inline.after.panic-unwind.mir
diff --git a/tests/mir-opt/inline/inline_trait_method_2.test2.Inline.after.panic-abort.mir b/tests/mir-opt/inline/inline_trait_method_2.test2.Inline.after.panic-abort.mir
new file mode 100644
index 00000000000..8e37c7dca6c
--- /dev/null
+++ b/tests/mir-opt/inline/inline_trait_method_2.test2.Inline.after.panic-abort.mir
@@ -0,0 +1,28 @@
+// MIR for `test2` after Inline
+
+fn test2(_1: &dyn X) -> bool {
+    debug x => _1;                       // in scope 0 at $DIR/inline_trait_method_2.rs:+0:10: +0:11
+    let mut _0: bool;                    // return place in scope 0 at $DIR/inline_trait_method_2.rs:+0:24: +0:28
+    let mut _2: &dyn X;                  // in scope 0 at $DIR/inline_trait_method_2.rs:+1:10: +1:11
+    let mut _3: &dyn X;                  // in scope 0 at $DIR/inline_trait_method_2.rs:+1:10: +1:11
+    scope 1 (inlined test) {             // at $DIR/inline_trait_method_2.rs:6:5: 6:12
+        debug x => _2;                   // in scope 1 at $DIR/inline_trait_method_2.rs:10:9: 10:10
+    }
+
+    bb0: {
+        StorageLive(_2);                 // scope 0 at $DIR/inline_trait_method_2.rs:+1:10: +1:11
+        StorageLive(_3);                 // scope 0 at $DIR/inline_trait_method_2.rs:+1:10: +1:11
+        _3 = &(*_1);                     // scope 0 at $DIR/inline_trait_method_2.rs:+1:10: +1:11
+        _2 = move _3 as &dyn X (Pointer(Unsize)); // scope 0 at $DIR/inline_trait_method_2.rs:+1:10: +1:11
+        StorageDead(_3);                 // scope 0 at $DIR/inline_trait_method_2.rs:+1:10: +1:11
+        _0 = <dyn X as X>::y(_2) -> [return: bb1, unwind unreachable]; // scope 1 at $DIR/inline_trait_method_2.rs:11:5: 11:10
+                                         // mir::Constant
+                                         // + span: $DIR/inline_trait_method_2.rs:11:7: 11:8
+                                         // + literal: Const { ty: for<'a> fn(&'a dyn X) -> bool {<dyn X as X>::y}, val: Value(<ZST>) }
+    }
+
+    bb1: {
+        StorageDead(_2);                 // scope 0 at $DIR/inline_trait_method_2.rs:+1:11: +1:12
+        return;                          // scope 0 at $DIR/inline_trait_method_2.rs:+2:2: +2:2
+    }
+}
diff --git a/tests/mir-opt/inline/inline_trait_method_2.test2.Inline.after.mir b/tests/mir-opt/inline/inline_trait_method_2.test2.Inline.after.panic-unwind.mir
index a4bbecf3b87..a4bbecf3b87 100644
--- a/tests/mir-opt/inline/inline_trait_method_2.test2.Inline.after.mir
+++ b/tests/mir-opt/inline/inline_trait_method_2.test2.Inline.after.panic-unwind.mir
diff --git a/tests/mir-opt/inline/issue_106141.outer.Inline.panic-abort.diff b/tests/mir-opt/inline/issue_106141.outer.Inline.panic-abort.diff
new file mode 100644
index 00000000000..4f8c7123aaf
--- /dev/null
+++ b/tests/mir-opt/inline/issue_106141.outer.Inline.panic-abort.diff
@@ -0,0 +1,55 @@
+- // MIR for `outer` before Inline
++ // MIR for `outer` after Inline
+  
+  fn outer() -> usize {
+      let mut _0: usize;                   // return place in scope 0 at $DIR/issue_106141.rs:+0:19: +0:24
++     scope 1 (inlined inner) {            // at $DIR/issue_106141.rs:3:5: 3:12
++         let mut _1: &[bool; 1];          // in scope 1 at $DIR/issue_106141.rs:12:18: 12:25
++         let mut _2: bool;                // in scope 1 at $DIR/issue_106141.rs:14:8: 14:21
++         let mut _3: bool;                // in scope 1 at $DIR/issue_106141.rs:14:8: 14:21
++         scope 2 {
++             debug buffer => const _;     // in scope 2 at $DIR/issue_106141.rs:12:9: 12:15
++             scope 3 {
++                 debug index => _0;       // in scope 3 at $DIR/issue_106141.rs:13:9: 13:14
++             }
++         }
++     }
+  
+      bb0: {
+-         _0 = inner() -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/issue_106141.rs:+1:5: +1:12
++         StorageLive(_1);                 // scope 0 at $DIR/issue_106141.rs:+1:5: +1:12
++         _1 = const _;                    // scope 1 at $DIR/issue_106141.rs:12:18: 12:25
+                                           // mir::Constant
+-                                          // + span: $DIR/issue_106141.rs:3:5: 3:10
+-                                          // + literal: Const { ty: fn() -> usize {inner}, val: Value(<ZST>) }
++                                          // + span: $DIR/issue_106141.rs:12:18: 12:25
++                                          // + literal: Const { ty: &[bool; 1], val: Unevaluated(inner, [], Some(promoted[0])) }
++         _0 = index() -> [return: bb1, unwind unreachable]; // scope 2 at $DIR/issue_106141.rs:13:17: 13:24
++                                          // mir::Constant
++                                          // + span: $DIR/issue_106141.rs:13:17: 13:22
++                                          // + literal: Const { ty: fn() -> usize {index}, val: Value(<ZST>) }
+      }
+  
+      bb1: {
++         StorageLive(_3);                 // scope 3 at $DIR/issue_106141.rs:14:8: 14:21
++         _2 = Lt(_0, const 1_usize);      // scope 3 at $DIR/issue_106141.rs:14:8: 14:21
++         assert(move _2, "index out of bounds: the length is {} but the index is {}", const 1_usize, _0) -> [success: bb2, unwind unreachable]; // scope 3 at $DIR/issue_106141.rs:14:8: 14:21
++     }
++ 
++     bb2: {
++         _3 = (*_1)[_0];                  // scope 3 at $DIR/issue_106141.rs:14:8: 14:21
++         switchInt(move _3) -> [0: bb3, otherwise: bb4]; // scope 3 at $DIR/issue_106141.rs:14:8: 14:21
++     }
++ 
++     bb3: {
++         _0 = const 0_usize;              // scope 3 at $DIR/issue_106141.rs:17:9: 17:10
++         goto -> bb4;                     // scope 3 at $DIR/issue_106141.rs:14:5: 18:6
++     }
++ 
++     bb4: {
++         StorageDead(_3);                 // scope 3 at $DIR/issue_106141.rs:18:5: 18:6
++         StorageDead(_1);                 // scope 0 at $DIR/issue_106141.rs:+1:5: +1:12
+          return;                          // scope 0 at $DIR/issue_106141.rs:+2:2: +2:2
+      }
+  }
+  
diff --git a/tests/mir-opt/inline/issue_106141.outer.Inline.diff b/tests/mir-opt/inline/issue_106141.outer.Inline.panic-unwind.diff
index 5fed54f83a7..5fed54f83a7 100644
--- a/tests/mir-opt/inline/issue_106141.outer.Inline.diff
+++ b/tests/mir-opt/inline/issue_106141.outer.Inline.panic-unwind.diff
diff --git a/tests/mir-opt/inline/issue_78442.bar.Inline.panic-abort.diff b/tests/mir-opt/inline/issue_78442.bar.Inline.panic-abort.diff
new file mode 100644
index 00000000000..4d9215ee7e4
--- /dev/null
+++ b/tests/mir-opt/inline/issue_78442.bar.Inline.panic-abort.diff
@@ -0,0 +1,53 @@
+- // MIR for `bar` before Inline
++ // MIR for `bar` after Inline
+  
+  fn bar(_1: P) -> () {
+      debug _baz => _1;                    // in scope 0 at $DIR/issue_78442.rs:+2:5: +2:9
+      let mut _0: ();                      // return place in scope 0 at $DIR/issue_78442.rs:+3:3: +3:3
+      let _2: ();                          // in scope 0 at $DIR/issue_78442.rs:+4:5: +4:17
+      let mut _3: &fn() {foo};             // in scope 0 at $DIR/issue_78442.rs:+4:5: +4:15
+      let _4: fn() {foo};                  // in scope 0 at $DIR/issue_78442.rs:+4:5: +4:15
+      let mut _5: ();                      // in scope 0 at $DIR/issue_78442.rs:+4:5: +4:17
++     scope 1 (inlined <fn() {foo} as Fn<()>>::call - shim(fn() {foo})) { // at $DIR/issue_78442.rs:11:5: 11:17
++     }
+  
+      bb0: {
+          StorageLive(_2);                 // scope 0 at $DIR/issue_78442.rs:+4:5: +4:17
+          StorageLive(_3);                 // scope 0 at $DIR/issue_78442.rs:+4:5: +4:15
+          StorageLive(_4);                 // scope 0 at $DIR/issue_78442.rs:+4:5: +4:15
+          _4 = hide_foo() -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/issue_78442.rs:+4:5: +4:15
+                                           // mir::Constant
+                                           // + span: $DIR/issue_78442.rs:11:5: 11:13
+                                           // + literal: Const { ty: fn() -> impl Fn() {hide_foo}, val: Value(<ZST>) }
+      }
+  
+      bb1: {
+          _3 = &_4;                        // scope 0 at $DIR/issue_78442.rs:+4:5: +4:15
+          StorageLive(_5);                 // scope 0 at $DIR/issue_78442.rs:+4:5: +4:17
+          _5 = ();                         // scope 0 at $DIR/issue_78442.rs:+4:5: +4:17
+-         _2 = <fn() {foo} as Fn<()>>::call(move _3, move _5) -> [return: bb2, unwind unreachable]; // scope 0 at $DIR/issue_78442.rs:+4:5: +4:17
+-                                          // mir::Constant
+-                                          // + span: $DIR/issue_78442.rs:11:5: 11:15
+-                                          // + literal: Const { ty: for<'a> extern "rust-call" fn(&'a fn() {foo}, ()) -> <fn() {foo} as FnOnce<()>>::Output {<fn() {foo} as Fn<()>>::call}, val: Value(<ZST>) }
++         _2 = move (*_3)() -> [return: bb3, unwind unreachable]; // scope 1 at $SRC_DIR/core/src/ops/function.rs:LL:COL
+      }
+  
+      bb2: {
++         return;                          // scope 0 at $DIR/issue_78442.rs:+5:2: +5:2
++     }
++ 
++     bb3: {
+          StorageDead(_5);                 // scope 0 at $DIR/issue_78442.rs:+4:16: +4:17
+          StorageDead(_3);                 // scope 0 at $DIR/issue_78442.rs:+4:16: +4:17
+          StorageDead(_4);                 // scope 0 at $DIR/issue_78442.rs:+4:17: +4:18
+          StorageDead(_2);                 // scope 0 at $DIR/issue_78442.rs:+4:17: +4:18
+          _0 = const ();                   // scope 0 at $DIR/issue_78442.rs:+3:3: +5:2
+-         drop(_1) -> [return: bb3, unwind unreachable]; // scope 0 at $DIR/issue_78442.rs:+5:1: +5:2
+-     }
+- 
+-     bb3: {
+-         return;                          // scope 0 at $DIR/issue_78442.rs:+5:2: +5:2
++         drop(_1) -> [return: bb2, unwind unreachable]; // scope 0 at $DIR/issue_78442.rs:+5:1: +5:2
+      }
+  }
+  
diff --git a/tests/mir-opt/inline/issue_78442.bar.Inline.diff b/tests/mir-opt/inline/issue_78442.bar.Inline.panic-unwind.diff
index dc3fe75559e..dc3fe75559e 100644
--- a/tests/mir-opt/inline/issue_78442.bar.Inline.diff
+++ b/tests/mir-opt/inline/issue_78442.bar.Inline.panic-unwind.diff
diff --git a/tests/mir-opt/inline/issue_78442.bar.RevealAll.panic-abort.diff b/tests/mir-opt/inline/issue_78442.bar.RevealAll.panic-abort.diff
new file mode 100644
index 00000000000..dcdb1069605
--- /dev/null
+++ b/tests/mir-opt/inline/issue_78442.bar.RevealAll.panic-abort.diff
@@ -0,0 +1,49 @@
+- // MIR for `bar` before RevealAll
++ // MIR for `bar` after RevealAll
+  
+  fn bar(_1: P) -> () {
+      debug _baz => _1;                    // in scope 0 at $DIR/issue_78442.rs:+2:5: +2:9
+      let mut _0: ();                      // return place in scope 0 at $DIR/issue_78442.rs:+3:3: +3:3
+      let _2: ();                          // in scope 0 at $DIR/issue_78442.rs:+4:5: +4:17
+-     let mut _3: &impl Fn();              // in scope 0 at $DIR/issue_78442.rs:+4:5: +4:15
+-     let _4: impl Fn();                   // in scope 0 at $DIR/issue_78442.rs:+4:5: +4:15
++     let mut _3: &fn() {foo};             // in scope 0 at $DIR/issue_78442.rs:+4:5: +4:15
++     let _4: fn() {foo};                  // in scope 0 at $DIR/issue_78442.rs:+4:5: +4:15
+      let mut _5: ();                      // in scope 0 at $DIR/issue_78442.rs:+4:5: +4:17
+  
+      bb0: {
+          StorageLive(_2);                 // scope 0 at $DIR/issue_78442.rs:+4:5: +4:17
+          StorageLive(_3);                 // scope 0 at $DIR/issue_78442.rs:+4:5: +4:15
+          StorageLive(_4);                 // scope 0 at $DIR/issue_78442.rs:+4:5: +4:15
+          _4 = hide_foo() -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/issue_78442.rs:+4:5: +4:15
+                                           // mir::Constant
+                                           // + span: $DIR/issue_78442.rs:11:5: 11:13
+                                           // + literal: Const { ty: fn() -> impl Fn() {hide_foo}, val: Value(<ZST>) }
+      }
+  
+      bb1: {
+          _3 = &_4;                        // scope 0 at $DIR/issue_78442.rs:+4:5: +4:15
+          StorageLive(_5);                 // scope 0 at $DIR/issue_78442.rs:+4:5: +4:17
+          _5 = ();                         // scope 0 at $DIR/issue_78442.rs:+4:5: +4:17
+-         _2 = <impl Fn() as Fn<()>>::call(move _3, move _5) -> [return: bb2, unwind unreachable]; // scope 0 at $DIR/issue_78442.rs:+4:5: +4:17
++         _2 = <fn() {foo} as Fn<()>>::call(move _3, move _5) -> [return: bb2, unwind unreachable]; // scope 0 at $DIR/issue_78442.rs:+4:5: +4:17
+                                           // mir::Constant
+                                           // + span: $DIR/issue_78442.rs:11:5: 11:15
+-                                          // + literal: Const { ty: for<'a> extern "rust-call" fn(&'a impl Fn(), ()) -> <impl Fn() as FnOnce<()>>::Output {<impl Fn() as Fn<()>>::call}, val: Value(<ZST>) }
++                                          // + literal: Const { ty: for<'a> extern "rust-call" fn(&'a fn() {foo}, ()) -> <fn() {foo} as FnOnce<()>>::Output {<fn() {foo} as Fn<()>>::call}, val: Value(<ZST>) }
+      }
+  
+      bb2: {
+          StorageDead(_5);                 // scope 0 at $DIR/issue_78442.rs:+4:16: +4:17
+          StorageDead(_3);                 // scope 0 at $DIR/issue_78442.rs:+4:16: +4:17
+          StorageDead(_4);                 // scope 0 at $DIR/issue_78442.rs:+4:17: +4:18
+          StorageDead(_2);                 // scope 0 at $DIR/issue_78442.rs:+4:17: +4:18
+          _0 = const ();                   // scope 0 at $DIR/issue_78442.rs:+3:3: +5:2
+          drop(_1) -> [return: bb3, unwind unreachable]; // scope 0 at $DIR/issue_78442.rs:+5:1: +5:2
+      }
+  
+      bb3: {
+          return;                          // scope 0 at $DIR/issue_78442.rs:+5:2: +5:2
+      }
+  }
+  
diff --git a/tests/mir-opt/inline/issue_78442.bar.RevealAll.diff b/tests/mir-opt/inline/issue_78442.bar.RevealAll.panic-unwind.diff
index 8f56ef2585c..8f56ef2585c 100644
--- a/tests/mir-opt/inline/issue_78442.bar.RevealAll.diff
+++ b/tests/mir-opt/inline/issue_78442.bar.RevealAll.panic-unwind.diff
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
new file mode 100644
index 00000000000..fa82ff4b122
--- /dev/null
+++ b/tests/mir-opt/inline/unchecked_shifts.unchecked_shl_unsigned_smaller.Inline.panic-abort.diff
@@ -0,0 +1,144 @@
+- // MIR for `unchecked_shl_unsigned_smaller` before Inline
++ // MIR for `unchecked_shl_unsigned_smaller` after Inline
+  
+  fn unchecked_shl_unsigned_smaller(_1: u16, _2: u32) -> u16 {
+      debug a => _1;                       // in scope 0 at $DIR/unchecked_shifts.rs:+0:46: +0:47
+      debug b => _2;                       // in scope 0 at $DIR/unchecked_shifts.rs:+0:54: +0:55
+      let mut _0: u16;                     // return place in scope 0 at $DIR/unchecked_shifts.rs:+0:65: +0:68
+      let mut _3: u16;                     // in scope 0 at $DIR/unchecked_shifts.rs:+1:5: +1:6
+      let mut _4: u32;                     // in scope 0 at $DIR/unchecked_shifts.rs:+1:21: +1:22
++     scope 1 (inlined core::num::<impl u16>::unchecked_shl) { // at $DIR/unchecked_shifts.rs:11:7: 11:23
++         debug self => _3;                // in scope 1 at $SRC_DIR/core/src/num/uint_macros.rs:LL:COL
++         debug rhs => _4;                 // in scope 1 at $SRC_DIR/core/src/num/uint_macros.rs:LL:COL
++         let mut _5: u16;                 // in scope 1 at $SRC_DIR/core/src/num/mod.rs:LL:COL
++         scope 2 {
++             scope 3 (inlined core::num::<impl u16>::unchecked_shl::conv) { // at $SRC_DIR/core/src/num/mod.rs:LL:COL
++                 debug x => _4;           // in scope 3 at $SRC_DIR/core/src/num/mod.rs:LL:COL
++                 let mut _6: std::option::Option<u16>; // in scope 3 at $SRC_DIR/core/src/num/mod.rs:LL:COL
++                 let mut _7: std::result::Result<u16, std::num::TryFromIntError>; // in scope 3 at $SRC_DIR/core/src/num/mod.rs:LL:COL
++                 scope 4 {
++                     scope 5 (inlined <u32 as TryInto<u16>>::try_into) { // at $SRC_DIR/core/src/num/mod.rs:LL:COL
++                         debug self => _4; // in scope 5 at $SRC_DIR/core/src/convert/mod.rs:LL:COL
++                         scope 6 (inlined convert::num::<impl TryFrom<u32> for u16>::try_from) { // at $SRC_DIR/core/src/convert/mod.rs:LL:COL
++                             debug u => _4; // in scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
++                             let mut _8: bool; // in scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
++                             let mut _9: u32; // in scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
++                             let mut _10: u16; // in scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
++                         }
++                     }
++                     scope 7 (inlined Result::<u16, TryFromIntError>::ok) { // at $SRC_DIR/core/src/num/mod.rs:LL:COL
++                         debug self => _7; // in scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
++                         let mut _11: isize; // in scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
++                         let _12: u16;    // in scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
++                         scope 8 {
++                             debug x => _12; // in scope 8 at $SRC_DIR/core/src/result.rs:LL:COL
++                         }
++                     }
++                     scope 9 (inlined #[track_caller] Option::<u16>::unwrap_unchecked) { // at $SRC_DIR/core/src/num/mod.rs:LL:COL
++                         debug self => _6; // in scope 9 at $SRC_DIR/core/src/option.rs:LL:COL
++                         let mut _13: &std::option::Option<u16>; // in scope 9 at $SRC_DIR/core/src/option.rs:LL:COL
++                         let mut _14: isize; // in scope 9 at $SRC_DIR/core/src/option.rs:LL:COL
++                         scope 10 {
++                             debug val => _5; // in scope 10 at $SRC_DIR/core/src/option.rs:LL:COL
++                         }
++                         scope 11 {
++                             scope 13 (inlined unreachable_unchecked) { // at $SRC_DIR/core/src/option.rs:LL:COL
++                                 scope 14 {
++                                     scope 15 (inlined unreachable_unchecked::runtime) { // at $SRC_DIR/core/src/intrinsics.rs:LL:COL
++                                     }
++                                 }
++                             }
++                         }
++                         scope 12 (inlined Option::<u16>::is_some) { // at $SRC_DIR/core/src/option.rs:LL:COL
++                             debug self => _13; // in scope 12 at $SRC_DIR/core/src/option.rs:LL:COL
++                         }
++                     }
++                 }
++             }
++         }
++     }
+  
+      bb0: {
+          StorageLive(_3);                 // scope 0 at $DIR/unchecked_shifts.rs:+1:5: +1:6
+          _3 = _1;                         // scope 0 at $DIR/unchecked_shifts.rs:+1:5: +1:6
+          StorageLive(_4);                 // scope 0 at $DIR/unchecked_shifts.rs:+1:21: +1:22
+          _4 = _2;                         // scope 0 at $DIR/unchecked_shifts.rs:+1:21: +1:22
+-         _0 = core::num::<impl u16>::unchecked_shl(move _3, move _4) -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/unchecked_shifts.rs:+1:5: +1:23
+-                                          // mir::Constant
+-                                          // + span: $DIR/unchecked_shifts.rs:11:7: 11:20
+-                                          // + literal: Const { ty: unsafe fn(u16, u32) -> u16 {core::num::<impl u16>::unchecked_shl}, val: Value(<ZST>) }
++         StorageLive(_5);                 // scope 2 at $SRC_DIR/core/src/num/mod.rs:LL:COL
++         StorageLive(_6);                 // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
++         StorageLive(_7);                 // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
++         StorageLive(_8);                 // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
++         StorageLive(_9);                 // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
++         _9 = const 65535_u32;            // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
++         _8 = Gt(_4, move _9);            // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
++         StorageDead(_9);                 // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
++         switchInt(move _8) -> [0: bb3, otherwise: bb2]; // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+      }
+  
+      bb1: {
++         StorageDead(_5);                 // scope 2 at $SRC_DIR/core/src/num/uint_macros.rs:LL:COL
+          StorageDead(_4);                 // scope 0 at $DIR/unchecked_shifts.rs:+1:22: +1:23
+          StorageDead(_3);                 // scope 0 at $DIR/unchecked_shifts.rs:+1:22: +1:23
+          return;                          // scope 0 at $DIR/unchecked_shifts.rs:+2:2: +2:2
++     }
++ 
++     bb2: {
++         _7 = Result::<u16, TryFromIntError>::Err(const TryFromIntError(())); // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
++                                          // mir::Constant
++                                          // + span: no-location
++                                          // + literal: Const { ty: TryFromIntError, val: Value(<ZST>) }
++         goto -> bb4;                     // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
++     }
++ 
++     bb3: {
++         StorageLive(_10);                // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
++         _10 = _4 as u16 (IntToInt);      // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
++         _7 = Result::<u16, TryFromIntError>::Ok(move _10); // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
++         StorageDead(_10);                // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
++         goto -> bb4;                     // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
++     }
++ 
++     bb4: {
++         StorageDead(_8);                 // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
++         StorageLive(_12);                // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
++         _11 = discriminant(_7);          // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
++         switchInt(move _11) -> [0: bb7, 1: bb5, otherwise: bb6]; // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
++     }
++ 
++     bb5: {
++         _6 = Option::<u16>::None;        // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
++         goto -> bb8;                     // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
++     }
++ 
++     bb6: {
++         unreachable;                     // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
++     }
++ 
++     bb7: {
++         _12 = move ((_7 as Ok).0: u16);  // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
++         _6 = Option::<u16>::Some(move _12); // scope 8 at $SRC_DIR/core/src/result.rs:LL:COL
++         goto -> bb8;                     // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
++     }
++ 
++     bb8: {
++         StorageDead(_12);                // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
++         StorageDead(_7);                 // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
++         StorageLive(_13);                // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
++         _14 = discriminant(_6);          // scope 9 at $SRC_DIR/core/src/option.rs:LL:COL
++         switchInt(move _14) -> [1: bb9, otherwise: bb6]; // scope 9 at $SRC_DIR/core/src/option.rs:LL:COL
++     }
++ 
++     bb9: {
++         _5 = move ((_6 as Some).0: u16); // scope 9 at $SRC_DIR/core/src/option.rs:LL:COL
++         StorageDead(_13);                // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
++         StorageDead(_6);                 // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
++         _0 = unchecked_shl::<u16>(_3, move _5) -> [return: bb1, unwind unreachable]; // scope 2 at $SRC_DIR/core/src/num/uint_macros.rs:LL:COL
++                                          // mir::Constant
++                                          // + span: $SRC_DIR/core/src/num/uint_macros.rs:LL:COL
++                                          // + literal: Const { ty: unsafe extern "rust-intrinsic" fn(u16, u16) -> u16 {unchecked_shl::<u16>}, val: Value(<ZST>) }
+      }
+  }
+  
diff --git a/tests/mir-opt/inline/unchecked_shifts.unchecked_shl_unsigned_smaller.Inline.diff b/tests/mir-opt/inline/unchecked_shifts.unchecked_shl_unsigned_smaller.Inline.panic-unwind.diff
index e82e3f18811..e82e3f18811 100644
--- a/tests/mir-opt/inline/unchecked_shifts.unchecked_shl_unsigned_smaller.Inline.diff
+++ b/tests/mir-opt/inline/unchecked_shifts.unchecked_shl_unsigned_smaller.Inline.panic-unwind.diff
diff --git a/tests/mir-opt/inline/unchecked_shifts.unchecked_shl_unsigned_smaller.PreCodegen.after.mir b/tests/mir-opt/inline/unchecked_shifts.unchecked_shl_unsigned_smaller.PreCodegen.after.panic-abort.mir
index 8fa4fdaa49a..8fa4fdaa49a 100644
--- a/tests/mir-opt/inline/unchecked_shifts.unchecked_shl_unsigned_smaller.PreCodegen.after.mir
+++ b/tests/mir-opt/inline/unchecked_shifts.unchecked_shl_unsigned_smaller.PreCodegen.after.panic-abort.mir
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
new file mode 100644
index 00000000000..8fa4fdaa49a
--- /dev/null
+++ b/tests/mir-opt/inline/unchecked_shifts.unchecked_shl_unsigned_smaller.PreCodegen.after.panic-unwind.mir
@@ -0,0 +1,130 @@
+// MIR for `unchecked_shl_unsigned_smaller` after PreCodegen
+
+fn unchecked_shl_unsigned_smaller(_1: u16, _2: u32) -> u16 {
+    debug a => _1;                       // in scope 0 at $DIR/unchecked_shifts.rs:+0:46: +0:47
+    debug b => _2;                       // in scope 0 at $DIR/unchecked_shifts.rs:+0:54: +0:55
+    let mut _0: u16;                     // return place in scope 0 at $DIR/unchecked_shifts.rs:+0:65: +0:68
+    scope 1 (inlined core::num::<impl u16>::unchecked_shl) { // at $DIR/unchecked_shifts.rs:11:7: 11:23
+        debug self => _1;                // in scope 1 at $SRC_DIR/core/src/num/uint_macros.rs:LL:COL
+        debug rhs => _2;                 // in scope 1 at $SRC_DIR/core/src/num/uint_macros.rs:LL:COL
+        let mut _11: u16;                // in scope 1 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+        scope 2 {
+            scope 3 (inlined core::num::<impl u16>::unchecked_shl::conv) { // at $SRC_DIR/core/src/num/mod.rs:LL:COL
+                debug x => _2;           // in scope 3 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+                let mut _6: std::result::Result<u16, std::num::TryFromIntError>; // in scope 3 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+                let mut _9: std::option::Option<u16>; // in scope 3 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+                scope 4 {
+                    scope 5 (inlined <u32 as TryInto<u16>>::try_into) { // at $SRC_DIR/core/src/num/mod.rs:LL:COL
+                        debug self => _2; // in scope 5 at $SRC_DIR/core/src/convert/mod.rs:LL:COL
+                        scope 6 (inlined convert::num::<impl TryFrom<u32> for u16>::try_from) { // at $SRC_DIR/core/src/convert/mod.rs:LL:COL
+                            debug u => _2; // in scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+                            let mut _3: u32; // in scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+                            let mut _4: bool; // in scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+                            let mut _5: u16; // in scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+                        }
+                    }
+                    scope 7 (inlined Result::<u16, TryFromIntError>::ok) { // at $SRC_DIR/core/src/num/mod.rs:LL:COL
+                        debug self => _6; // in scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
+                        let mut _7: isize; // in scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
+                        let _8: u16;     // in scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
+                        scope 8 {
+                            debug x => _8; // in scope 8 at $SRC_DIR/core/src/result.rs:LL:COL
+                        }
+                    }
+                    scope 9 (inlined #[track_caller] Option::<u16>::unwrap_unchecked) { // at $SRC_DIR/core/src/num/mod.rs:LL:COL
+                        debug self => _9; // in scope 9 at $SRC_DIR/core/src/option.rs:LL:COL
+                        let mut _10: isize; // in scope 9 at $SRC_DIR/core/src/option.rs:LL:COL
+                        let mut _12: &std::option::Option<u16>; // in scope 9 at $SRC_DIR/core/src/option.rs:LL:COL
+                        scope 10 {
+                            debug val => _11; // in scope 10 at $SRC_DIR/core/src/option.rs:LL:COL
+                        }
+                        scope 11 {
+                            scope 13 (inlined unreachable_unchecked) { // at $SRC_DIR/core/src/option.rs:LL:COL
+                                scope 14 {
+                                    scope 15 (inlined unreachable_unchecked::runtime) { // at $SRC_DIR/core/src/intrinsics.rs:LL:COL
+                                    }
+                                }
+                            }
+                        }
+                        scope 12 (inlined Option::<u16>::is_some) { // at $SRC_DIR/core/src/option.rs:LL:COL
+                            debug self => _12; // in scope 12 at $SRC_DIR/core/src/option.rs:LL:COL
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+    bb0: {
+        StorageLive(_11);                // scope 2 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+        StorageLive(_9);                 // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+        StorageLive(_6);                 // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+        StorageLive(_4);                 // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+        StorageLive(_3);                 // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+        _3 = const 65535_u32;            // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+        _4 = Gt(_2, move _3);            // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+        StorageDead(_3);                 // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+        switchInt(move _4) -> [0: bb1, otherwise: bb2]; // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+    }
+
+    bb1: {
+        StorageLive(_5);                 // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+        _5 = _2 as u16 (IntToInt);       // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+        _6 = Result::<u16, TryFromIntError>::Ok(move _5); // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+        StorageDead(_5);                 // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+        goto -> bb3;                     // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+    }
+
+    bb2: {
+        _6 = Result::<u16, TryFromIntError>::Err(const TryFromIntError(())); // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+                                         // mir::Constant
+                                         // + span: no-location
+                                         // + literal: Const { ty: TryFromIntError, val: Value(<ZST>) }
+        goto -> bb3;                     // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+    }
+
+    bb3: {
+        StorageDead(_4);                 // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+        StorageLive(_8);                 // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+        _7 = discriminant(_6);           // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
+        switchInt(move _7) -> [0: bb4, 1: bb5, otherwise: bb9]; // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
+    }
+
+    bb4: {
+        _8 = move ((_6 as Ok).0: u16);   // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
+        _9 = Option::<u16>::Some(move _8); // scope 8 at $SRC_DIR/core/src/result.rs:LL:COL
+        goto -> bb6;                     // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
+    }
+
+    bb5: {
+        _9 = Option::<u16>::None;        // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
+        goto -> bb6;                     // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
+    }
+
+    bb6: {
+        StorageDead(_8);                 // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+        StorageDead(_6);                 // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+        StorageLive(_12);                // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+        _10 = discriminant(_9);          // scope 9 at $SRC_DIR/core/src/option.rs:LL:COL
+        switchInt(move _10) -> [1: bb7, otherwise: bb9]; // scope 9 at $SRC_DIR/core/src/option.rs:LL:COL
+    }
+
+    bb7: {
+        _11 = move ((_9 as Some).0: u16); // scope 9 at $SRC_DIR/core/src/option.rs:LL:COL
+        StorageDead(_12);                // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+        StorageDead(_9);                 // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+        _0 = unchecked_shl::<u16>(_1, move _11) -> [return: bb8, unwind unreachable]; // scope 2 at $SRC_DIR/core/src/num/uint_macros.rs:LL:COL
+                                         // mir::Constant
+                                         // + span: $SRC_DIR/core/src/num/uint_macros.rs:LL:COL
+                                         // + literal: Const { ty: unsafe extern "rust-intrinsic" fn(u16, u16) -> u16 {unchecked_shl::<u16>}, val: Value(<ZST>) }
+    }
+
+    bb8: {
+        StorageDead(_11);                // scope 2 at $SRC_DIR/core/src/num/uint_macros.rs:LL:COL
+        return;                          // scope 0 at $DIR/unchecked_shifts.rs:+2:2: +2:2
+    }
+
+    bb9: {
+        unreachable;                     // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
+    }
+}
diff --git a/tests/mir-opt/inline/unchecked_shifts.unchecked_shr_signed_smaller.Inline.panic-abort.diff b/tests/mir-opt/inline/unchecked_shifts.unchecked_shr_signed_smaller.Inline.panic-abort.diff
new file mode 100644
index 00000000000..0e37e40fbb6
--- /dev/null
+++ b/tests/mir-opt/inline/unchecked_shifts.unchecked_shr_signed_smaller.Inline.panic-abort.diff
@@ -0,0 +1,144 @@
+- // MIR for `unchecked_shr_signed_smaller` before Inline
++ // MIR for `unchecked_shr_signed_smaller` after Inline
+  
+  fn unchecked_shr_signed_smaller(_1: i16, _2: u32) -> i16 {
+      debug a => _1;                       // in scope 0 at $DIR/unchecked_shifts.rs:+0:44: +0:45
+      debug b => _2;                       // in scope 0 at $DIR/unchecked_shifts.rs:+0:52: +0:53
+      let mut _0: i16;                     // return place in scope 0 at $DIR/unchecked_shifts.rs:+0:63: +0:66
+      let mut _3: i16;                     // in scope 0 at $DIR/unchecked_shifts.rs:+1:5: +1:6
+      let mut _4: u32;                     // in scope 0 at $DIR/unchecked_shifts.rs:+1:21: +1:22
++     scope 1 (inlined core::num::<impl i16>::unchecked_shr) { // at $DIR/unchecked_shifts.rs:17:7: 17:23
++         debug self => _3;                // in scope 1 at $SRC_DIR/core/src/num/int_macros.rs:LL:COL
++         debug rhs => _4;                 // in scope 1 at $SRC_DIR/core/src/num/int_macros.rs:LL:COL
++         let mut _5: i16;                 // in scope 1 at $SRC_DIR/core/src/num/mod.rs:LL:COL
++         scope 2 {
++             scope 3 (inlined core::num::<impl i16>::unchecked_shr::conv) { // at $SRC_DIR/core/src/num/mod.rs:LL:COL
++                 debug x => _4;           // in scope 3 at $SRC_DIR/core/src/num/mod.rs:LL:COL
++                 let mut _6: std::option::Option<i16>; // in scope 3 at $SRC_DIR/core/src/num/mod.rs:LL:COL
++                 let mut _7: std::result::Result<i16, std::num::TryFromIntError>; // in scope 3 at $SRC_DIR/core/src/num/mod.rs:LL:COL
++                 scope 4 {
++                     scope 5 (inlined <u32 as TryInto<i16>>::try_into) { // at $SRC_DIR/core/src/num/mod.rs:LL:COL
++                         debug self => _4; // in scope 5 at $SRC_DIR/core/src/convert/mod.rs:LL:COL
++                         scope 6 (inlined convert::num::<impl TryFrom<u32> for i16>::try_from) { // at $SRC_DIR/core/src/convert/mod.rs:LL:COL
++                             debug u => _4; // in scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
++                             let mut _8: bool; // in scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
++                             let mut _9: u32; // in scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
++                             let mut _10: i16; // in scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
++                         }
++                     }
++                     scope 7 (inlined Result::<i16, TryFromIntError>::ok) { // at $SRC_DIR/core/src/num/mod.rs:LL:COL
++                         debug self => _7; // in scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
++                         let mut _11: isize; // in scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
++                         let _12: i16;    // in scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
++                         scope 8 {
++                             debug x => _12; // in scope 8 at $SRC_DIR/core/src/result.rs:LL:COL
++                         }
++                     }
++                     scope 9 (inlined #[track_caller] Option::<i16>::unwrap_unchecked) { // at $SRC_DIR/core/src/num/mod.rs:LL:COL
++                         debug self => _6; // in scope 9 at $SRC_DIR/core/src/option.rs:LL:COL
++                         let mut _13: &std::option::Option<i16>; // in scope 9 at $SRC_DIR/core/src/option.rs:LL:COL
++                         let mut _14: isize; // in scope 9 at $SRC_DIR/core/src/option.rs:LL:COL
++                         scope 10 {
++                             debug val => _5; // in scope 10 at $SRC_DIR/core/src/option.rs:LL:COL
++                         }
++                         scope 11 {
++                             scope 13 (inlined unreachable_unchecked) { // at $SRC_DIR/core/src/option.rs:LL:COL
++                                 scope 14 {
++                                     scope 15 (inlined unreachable_unchecked::runtime) { // at $SRC_DIR/core/src/intrinsics.rs:LL:COL
++                                     }
++                                 }
++                             }
++                         }
++                         scope 12 (inlined Option::<i16>::is_some) { // at $SRC_DIR/core/src/option.rs:LL:COL
++                             debug self => _13; // in scope 12 at $SRC_DIR/core/src/option.rs:LL:COL
++                         }
++                     }
++                 }
++             }
++         }
++     }
+  
+      bb0: {
+          StorageLive(_3);                 // scope 0 at $DIR/unchecked_shifts.rs:+1:5: +1:6
+          _3 = _1;                         // scope 0 at $DIR/unchecked_shifts.rs:+1:5: +1:6
+          StorageLive(_4);                 // scope 0 at $DIR/unchecked_shifts.rs:+1:21: +1:22
+          _4 = _2;                         // scope 0 at $DIR/unchecked_shifts.rs:+1:21: +1:22
+-         _0 = core::num::<impl i16>::unchecked_shr(move _3, move _4) -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/unchecked_shifts.rs:+1:5: +1:23
+-                                          // mir::Constant
+-                                          // + span: $DIR/unchecked_shifts.rs:17:7: 17:20
+-                                          // + literal: Const { ty: unsafe fn(i16, u32) -> i16 {core::num::<impl i16>::unchecked_shr}, val: Value(<ZST>) }
++         StorageLive(_5);                 // scope 2 at $SRC_DIR/core/src/num/mod.rs:LL:COL
++         StorageLive(_6);                 // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
++         StorageLive(_7);                 // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
++         StorageLive(_8);                 // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
++         StorageLive(_9);                 // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
++         _9 = const 32767_u32;            // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
++         _8 = Gt(_4, move _9);            // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
++         StorageDead(_9);                 // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
++         switchInt(move _8) -> [0: bb3, otherwise: bb2]; // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+      }
+  
+      bb1: {
++         StorageDead(_5);                 // scope 2 at $SRC_DIR/core/src/num/int_macros.rs:LL:COL
+          StorageDead(_4);                 // scope 0 at $DIR/unchecked_shifts.rs:+1:22: +1:23
+          StorageDead(_3);                 // scope 0 at $DIR/unchecked_shifts.rs:+1:22: +1:23
+          return;                          // scope 0 at $DIR/unchecked_shifts.rs:+2:2: +2:2
++     }
++ 
++     bb2: {
++         _7 = Result::<i16, TryFromIntError>::Err(const TryFromIntError(())); // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
++                                          // mir::Constant
++                                          // + span: no-location
++                                          // + literal: Const { ty: TryFromIntError, val: Value(<ZST>) }
++         goto -> bb4;                     // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
++     }
++ 
++     bb3: {
++         StorageLive(_10);                // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
++         _10 = _4 as i16 (IntToInt);      // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
++         _7 = Result::<i16, TryFromIntError>::Ok(move _10); // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
++         StorageDead(_10);                // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
++         goto -> bb4;                     // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
++     }
++ 
++     bb4: {
++         StorageDead(_8);                 // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
++         StorageLive(_12);                // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
++         _11 = discriminant(_7);          // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
++         switchInt(move _11) -> [0: bb7, 1: bb5, otherwise: bb6]; // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
++     }
++ 
++     bb5: {
++         _6 = Option::<i16>::None;        // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
++         goto -> bb8;                     // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
++     }
++ 
++     bb6: {
++         unreachable;                     // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
++     }
++ 
++     bb7: {
++         _12 = move ((_7 as Ok).0: i16);  // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
++         _6 = Option::<i16>::Some(move _12); // scope 8 at $SRC_DIR/core/src/result.rs:LL:COL
++         goto -> bb8;                     // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
++     }
++ 
++     bb8: {
++         StorageDead(_12);                // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
++         StorageDead(_7);                 // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
++         StorageLive(_13);                // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
++         _14 = discriminant(_6);          // scope 9 at $SRC_DIR/core/src/option.rs:LL:COL
++         switchInt(move _14) -> [1: bb9, otherwise: bb6]; // scope 9 at $SRC_DIR/core/src/option.rs:LL:COL
++     }
++ 
++     bb9: {
++         _5 = move ((_6 as Some).0: i16); // scope 9 at $SRC_DIR/core/src/option.rs:LL:COL
++         StorageDead(_13);                // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
++         StorageDead(_6);                 // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
++         _0 = unchecked_shr::<i16>(_3, move _5) -> [return: bb1, unwind unreachable]; // scope 2 at $SRC_DIR/core/src/num/int_macros.rs:LL:COL
++                                          // mir::Constant
++                                          // + span: $SRC_DIR/core/src/num/int_macros.rs:LL:COL
++                                          // + literal: Const { ty: unsafe extern "rust-intrinsic" fn(i16, i16) -> i16 {unchecked_shr::<i16>}, val: Value(<ZST>) }
+      }
+  }
+  
diff --git a/tests/mir-opt/inline/unchecked_shifts.unchecked_shr_signed_smaller.Inline.diff b/tests/mir-opt/inline/unchecked_shifts.unchecked_shr_signed_smaller.Inline.panic-unwind.diff
index f20c7da4747..f20c7da4747 100644
--- a/tests/mir-opt/inline/unchecked_shifts.unchecked_shr_signed_smaller.Inline.diff
+++ b/tests/mir-opt/inline/unchecked_shifts.unchecked_shr_signed_smaller.Inline.panic-unwind.diff
diff --git a/tests/mir-opt/inline/unchecked_shifts.unchecked_shr_signed_smaller.PreCodegen.after.mir b/tests/mir-opt/inline/unchecked_shifts.unchecked_shr_signed_smaller.PreCodegen.after.panic-abort.mir
index 7f737abb936..7f737abb936 100644
--- a/tests/mir-opt/inline/unchecked_shifts.unchecked_shr_signed_smaller.PreCodegen.after.mir
+++ b/tests/mir-opt/inline/unchecked_shifts.unchecked_shr_signed_smaller.PreCodegen.after.panic-abort.mir
diff --git a/tests/mir-opt/inline/unchecked_shifts.unchecked_shr_signed_smaller.PreCodegen.after.panic-unwind.mir b/tests/mir-opt/inline/unchecked_shifts.unchecked_shr_signed_smaller.PreCodegen.after.panic-unwind.mir
new file mode 100644
index 00000000000..7f737abb936
--- /dev/null
+++ b/tests/mir-opt/inline/unchecked_shifts.unchecked_shr_signed_smaller.PreCodegen.after.panic-unwind.mir
@@ -0,0 +1,130 @@
+// MIR for `unchecked_shr_signed_smaller` after PreCodegen
+
+fn unchecked_shr_signed_smaller(_1: i16, _2: u32) -> i16 {
+    debug a => _1;                       // in scope 0 at $DIR/unchecked_shifts.rs:+0:44: +0:45
+    debug b => _2;                       // in scope 0 at $DIR/unchecked_shifts.rs:+0:52: +0:53
+    let mut _0: i16;                     // return place in scope 0 at $DIR/unchecked_shifts.rs:+0:63: +0:66
+    scope 1 (inlined core::num::<impl i16>::unchecked_shr) { // at $DIR/unchecked_shifts.rs:17:7: 17:23
+        debug self => _1;                // in scope 1 at $SRC_DIR/core/src/num/int_macros.rs:LL:COL
+        debug rhs => _2;                 // in scope 1 at $SRC_DIR/core/src/num/int_macros.rs:LL:COL
+        let mut _11: i16;                // in scope 1 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+        scope 2 {
+            scope 3 (inlined core::num::<impl i16>::unchecked_shr::conv) { // at $SRC_DIR/core/src/num/mod.rs:LL:COL
+                debug x => _2;           // in scope 3 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+                let mut _6: std::result::Result<i16, std::num::TryFromIntError>; // in scope 3 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+                let mut _9: std::option::Option<i16>; // in scope 3 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+                scope 4 {
+                    scope 5 (inlined <u32 as TryInto<i16>>::try_into) { // at $SRC_DIR/core/src/num/mod.rs:LL:COL
+                        debug self => _2; // in scope 5 at $SRC_DIR/core/src/convert/mod.rs:LL:COL
+                        scope 6 (inlined convert::num::<impl TryFrom<u32> for i16>::try_from) { // at $SRC_DIR/core/src/convert/mod.rs:LL:COL
+                            debug u => _2; // in scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+                            let mut _3: u32; // in scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+                            let mut _4: bool; // in scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+                            let mut _5: i16; // in scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+                        }
+                    }
+                    scope 7 (inlined Result::<i16, TryFromIntError>::ok) { // at $SRC_DIR/core/src/num/mod.rs:LL:COL
+                        debug self => _6; // in scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
+                        let mut _7: isize; // in scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
+                        let _8: i16;     // in scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
+                        scope 8 {
+                            debug x => _8; // in scope 8 at $SRC_DIR/core/src/result.rs:LL:COL
+                        }
+                    }
+                    scope 9 (inlined #[track_caller] Option::<i16>::unwrap_unchecked) { // at $SRC_DIR/core/src/num/mod.rs:LL:COL
+                        debug self => _9; // in scope 9 at $SRC_DIR/core/src/option.rs:LL:COL
+                        let mut _10: isize; // in scope 9 at $SRC_DIR/core/src/option.rs:LL:COL
+                        let mut _12: &std::option::Option<i16>; // in scope 9 at $SRC_DIR/core/src/option.rs:LL:COL
+                        scope 10 {
+                            debug val => _11; // in scope 10 at $SRC_DIR/core/src/option.rs:LL:COL
+                        }
+                        scope 11 {
+                            scope 13 (inlined unreachable_unchecked) { // at $SRC_DIR/core/src/option.rs:LL:COL
+                                scope 14 {
+                                    scope 15 (inlined unreachable_unchecked::runtime) { // at $SRC_DIR/core/src/intrinsics.rs:LL:COL
+                                    }
+                                }
+                            }
+                        }
+                        scope 12 (inlined Option::<i16>::is_some) { // at $SRC_DIR/core/src/option.rs:LL:COL
+                            debug self => _12; // in scope 12 at $SRC_DIR/core/src/option.rs:LL:COL
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+    bb0: {
+        StorageLive(_11);                // scope 2 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+        StorageLive(_9);                 // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+        StorageLive(_6);                 // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+        StorageLive(_4);                 // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+        StorageLive(_3);                 // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+        _3 = const 32767_u32;            // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+        _4 = Gt(_2, move _3);            // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+        StorageDead(_3);                 // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+        switchInt(move _4) -> [0: bb1, otherwise: bb2]; // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+    }
+
+    bb1: {
+        StorageLive(_5);                 // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+        _5 = _2 as i16 (IntToInt);       // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+        _6 = Result::<i16, TryFromIntError>::Ok(move _5); // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+        StorageDead(_5);                 // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+        goto -> bb3;                     // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+    }
+
+    bb2: {
+        _6 = Result::<i16, TryFromIntError>::Err(const TryFromIntError(())); // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+                                         // mir::Constant
+                                         // + span: no-location
+                                         // + literal: Const { ty: TryFromIntError, val: Value(<ZST>) }
+        goto -> bb3;                     // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+    }
+
+    bb3: {
+        StorageDead(_4);                 // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+        StorageLive(_8);                 // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+        _7 = discriminant(_6);           // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
+        switchInt(move _7) -> [0: bb4, 1: bb5, otherwise: bb9]; // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
+    }
+
+    bb4: {
+        _8 = move ((_6 as Ok).0: i16);   // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
+        _9 = Option::<i16>::Some(move _8); // scope 8 at $SRC_DIR/core/src/result.rs:LL:COL
+        goto -> bb6;                     // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
+    }
+
+    bb5: {
+        _9 = Option::<i16>::None;        // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
+        goto -> bb6;                     // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
+    }
+
+    bb6: {
+        StorageDead(_8);                 // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+        StorageDead(_6);                 // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+        StorageLive(_12);                // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+        _10 = discriminant(_9);          // scope 9 at $SRC_DIR/core/src/option.rs:LL:COL
+        switchInt(move _10) -> [1: bb7, otherwise: bb9]; // scope 9 at $SRC_DIR/core/src/option.rs:LL:COL
+    }
+
+    bb7: {
+        _11 = move ((_9 as Some).0: i16); // scope 9 at $SRC_DIR/core/src/option.rs:LL:COL
+        StorageDead(_12);                // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+        StorageDead(_9);                 // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+        _0 = unchecked_shr::<i16>(_1, move _11) -> [return: bb8, unwind unreachable]; // scope 2 at $SRC_DIR/core/src/num/int_macros.rs:LL:COL
+                                         // mir::Constant
+                                         // + span: $SRC_DIR/core/src/num/int_macros.rs:LL:COL
+                                         // + literal: Const { ty: unsafe extern "rust-intrinsic" fn(i16, i16) -> i16 {unchecked_shr::<i16>}, val: Value(<ZST>) }
+    }
+
+    bb8: {
+        StorageDead(_11);                // scope 2 at $SRC_DIR/core/src/num/int_macros.rs:LL:COL
+        return;                          // scope 0 at $DIR/unchecked_shifts.rs:+2:2: +2:2
+    }
+
+    bb9: {
+        unreachable;                     // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
+    }
+}
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
new file mode 100644
index 00000000000..4f2a32fa641
--- /dev/null
+++ b/tests/mir-opt/inline/unwrap_unchecked.unwrap_unchecked.Inline.panic-abort.diff
@@ -0,0 +1,51 @@
+- // MIR for `unwrap_unchecked` before Inline
++ // MIR for `unwrap_unchecked` after Inline
+  
+  fn unwrap_unchecked(_1: Option<T>) -> T {
+      debug slf => _1;                     // in scope 0 at $DIR/unwrap_unchecked.rs:+0:35: +0:38
+      let mut _0: T;                       // return place in scope 0 at $DIR/unwrap_unchecked.rs:+0:54: +0:55
+      let mut _2: std::option::Option<T>;  // in scope 0 at $DIR/unwrap_unchecked.rs:+1:5: +1:8
++     scope 1 (inlined #[track_caller] Option::<T>::unwrap_unchecked) { // at $DIR/unwrap_unchecked.rs:10:9: 10:27
++         debug self => _2;                // in scope 1 at $SRC_DIR/core/src/option.rs:LL:COL
++         let mut _3: &std::option::Option<T>; // in scope 1 at $SRC_DIR/core/src/option.rs:LL:COL
++         let mut _4: isize;               // in scope 1 at $SRC_DIR/core/src/option.rs:LL:COL
++         scope 2 {
++             debug val => _0;             // in scope 2 at $SRC_DIR/core/src/option.rs:LL:COL
++         }
++         scope 3 {
++             scope 5 (inlined unreachable_unchecked) { // at $SRC_DIR/core/src/option.rs:LL:COL
++                 scope 6 {
++                     scope 7 (inlined unreachable_unchecked::runtime) { // at $SRC_DIR/core/src/intrinsics.rs:LL:COL
++                     }
++                 }
++             }
++         }
++         scope 4 (inlined Option::<T>::is_some) { // at $SRC_DIR/core/src/option.rs:LL:COL
++             debug self => _3;            // in scope 4 at $SRC_DIR/core/src/option.rs:LL:COL
++         }
++     }
+  
+      bb0: {
+          StorageLive(_2);                 // scope 0 at $DIR/unwrap_unchecked.rs:+1:5: +1:8
+          _2 = move _1;                    // scope 0 at $DIR/unwrap_unchecked.rs:+1:5: +1:8
+-         _0 = Option::<T>::unwrap_unchecked(move _2) -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/unwrap_unchecked.rs:+1:5: +1:27
+-                                          // mir::Constant
+-                                          // + span: $DIR/unwrap_unchecked.rs:10:9: 10:25
+-                                          // + literal: Const { ty: unsafe fn(Option<T>) -> T {Option::<T>::unwrap_unchecked}, val: Value(<ZST>) }
++         StorageLive(_3);                 // scope 0 at $DIR/unwrap_unchecked.rs:+1:9: +1:27
++         _4 = discriminant(_2);           // scope 1 at $SRC_DIR/core/src/option.rs:LL:COL
++         switchInt(move _4) -> [1: bb2, otherwise: bb1]; // scope 1 at $SRC_DIR/core/src/option.rs:LL:COL
+      }
+  
+      bb1: {
++         unreachable;                     // scope 6 at $SRC_DIR/core/src/intrinsics.rs:LL:COL
++     }
++ 
++     bb2: {
++         _0 = move ((_2 as Some).0: T);   // scope 1 at $SRC_DIR/core/src/option.rs:LL:COL
++         StorageDead(_3);                 // scope 0 at $DIR/unwrap_unchecked.rs:+1:9: +1:27
+          StorageDead(_2);                 // scope 0 at $DIR/unwrap_unchecked.rs:+1:26: +1:27
+          return;                          // scope 0 at $DIR/unwrap_unchecked.rs:+2:2: +2:2
+      }
+  }
+  
diff --git a/tests/mir-opt/inline/unwrap_unchecked.unwrap_unchecked.Inline.diff b/tests/mir-opt/inline/unwrap_unchecked.unwrap_unchecked.Inline.panic-unwind.diff
index 8a8cd896e85..8a8cd896e85 100644
--- a/tests/mir-opt/inline/unwrap_unchecked.unwrap_unchecked.Inline.diff
+++ b/tests/mir-opt/inline/unwrap_unchecked.unwrap_unchecked.Inline.panic-unwind.diff
diff --git a/tests/mir-opt/inline/unwrap_unchecked.unwrap_unchecked.PreCodegen.after.mir b/tests/mir-opt/inline/unwrap_unchecked.unwrap_unchecked.PreCodegen.after.panic-abort.mir
index 601d83702f4..601d83702f4 100644
--- a/tests/mir-opt/inline/unwrap_unchecked.unwrap_unchecked.PreCodegen.after.mir
+++ b/tests/mir-opt/inline/unwrap_unchecked.unwrap_unchecked.PreCodegen.after.panic-abort.mir
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
new file mode 100644
index 00000000000..601d83702f4
--- /dev/null
+++ b/tests/mir-opt/inline/unwrap_unchecked.unwrap_unchecked.PreCodegen.after.panic-unwind.mir
@@ -0,0 +1,41 @@
+// MIR for `unwrap_unchecked` after PreCodegen
+
+fn unwrap_unchecked(_1: Option<T>) -> T {
+    debug slf => _1;                     // in scope 0 at $DIR/unwrap_unchecked.rs:+0:35: +0:38
+    let mut _0: T;                       // return place in scope 0 at $DIR/unwrap_unchecked.rs:+0:54: +0:55
+    scope 1 (inlined #[track_caller] Option::<T>::unwrap_unchecked) { // at $DIR/unwrap_unchecked.rs:10:9: 10:27
+        debug self => _1;                // in scope 1 at $SRC_DIR/core/src/option.rs:LL:COL
+        let mut _2: isize;               // in scope 1 at $SRC_DIR/core/src/option.rs:LL:COL
+        let mut _3: &std::option::Option<T>; // in scope 1 at $SRC_DIR/core/src/option.rs:LL:COL
+        scope 2 {
+            debug val => _0;             // in scope 2 at $SRC_DIR/core/src/option.rs:LL:COL
+        }
+        scope 3 {
+            scope 5 (inlined unreachable_unchecked) { // at $SRC_DIR/core/src/option.rs:LL:COL
+                scope 6 {
+                    scope 7 (inlined unreachable_unchecked::runtime) { // at $SRC_DIR/core/src/intrinsics.rs:LL:COL
+                    }
+                }
+            }
+        }
+        scope 4 (inlined Option::<T>::is_some) { // at $SRC_DIR/core/src/option.rs:LL:COL
+            debug self => _3;            // in scope 4 at $SRC_DIR/core/src/option.rs:LL:COL
+        }
+    }
+
+    bb0: {
+        StorageLive(_3);                 // scope 0 at $DIR/unwrap_unchecked.rs:+1:9: +1:27
+        _2 = discriminant(_1);           // scope 1 at $SRC_DIR/core/src/option.rs:LL:COL
+        switchInt(move _2) -> [1: bb1, otherwise: bb2]; // scope 1 at $SRC_DIR/core/src/option.rs:LL:COL
+    }
+
+    bb1: {
+        _0 = move ((_1 as Some).0: T);   // scope 1 at $SRC_DIR/core/src/option.rs:LL:COL
+        StorageDead(_3);                 // scope 0 at $DIR/unwrap_unchecked.rs:+1:9: +1:27
+        return;                          // scope 0 at $DIR/unwrap_unchecked.rs:+2:2: +2:2
+    }
+
+    bb2: {
+        unreachable;                     // scope 6 at $SRC_DIR/core/src/intrinsics.rs:LL:COL
+    }
+}
diff --git a/tests/mir-opt/issue_101973.inner.ConstProp.panic-abort.diff b/tests/mir-opt/issue_101973.inner.ConstProp.panic-abort.diff
new file mode 100644
index 00000000000..eb47f0d3183
--- /dev/null
+++ b/tests/mir-opt/issue_101973.inner.ConstProp.panic-abort.diff
@@ -0,0 +1,85 @@
+- // MIR for `inner` before ConstProp
++ // MIR for `inner` after ConstProp
+  
+  fn inner(_1: u32) -> i64 {
+      debug fields => _1;                  // in scope 0 at $DIR/issue_101973.rs:+0:14: +0:20
+      let mut _0: i64;                     // return place in scope 0 at $DIR/issue_101973.rs:+0:30: +0:33
+      let mut _2: i32;                     // in scope 0 at $DIR/issue_101973.rs:+1:5: +1:65
+      let mut _3: u32;                     // in scope 0 at $DIR/issue_101973.rs:+1:5: +1:58
+      let mut _4: u32;                     // in scope 0 at $DIR/issue_101973.rs:+1:5: +1:17
+      let mut _5: u32;                     // in scope 0 at $DIR/issue_101973.rs:+1:10: +1:16
+      let mut _6: u32;                     // in scope 0 at $DIR/issue_101973.rs:+1:31: +1:57
+      let mut _7: u32;                     // in scope 0 at $DIR/issue_101973.rs:+1:31: +1:52
+      let mut _8: u32;                     // in scope 0 at $DIR/issue_101973.rs:+1:32: +1:45
+      let mut _9: u32;                     // in scope 0 at $DIR/issue_101973.rs:+1:33: +1:39
+      let mut _10: u32;                    // in scope 0 at $DIR/issue_101973.rs:+1:32: +1:45
+      let mut _11: bool;                   // in scope 0 at $DIR/issue_101973.rs:+1:32: +1:45
+      let mut _12: u32;                    // in scope 0 at $DIR/issue_101973.rs:+1:31: +1:57
+      let mut _13: bool;                   // in scope 0 at $DIR/issue_101973.rs:+1:31: +1:57
+      scope 1 (inlined imm8) {             // at $DIR/issue_101973.rs:15:5: 15:17
+          debug x => _1;                   // in scope 1 at $DIR/issue_101973.rs:6:13: 6:14
+          let mut _14: u32;                // in scope 1 at $DIR/issue_101973.rs:8:12: 8:20
+          let mut _15: u32;                // in scope 1 at $DIR/issue_101973.rs:8:12: 8:27
+          scope 2 {
+              debug out => _4;             // in scope 2 at $DIR/issue_101973.rs:7:9: 7:16
+          }
+      }
+      scope 3 (inlined core::num::<impl u32>::rotate_right) { // at $DIR/issue_101973.rs:15:18: 15:58
+          debug self => _4;                // in scope 3 at $SRC_DIR/core/src/num/uint_macros.rs:LL:COL
+          debug n => _6;                   // in scope 3 at $SRC_DIR/core/src/num/uint_macros.rs:LL:COL
+      }
+  
+      bb0: {
+          StorageLive(_2);                 // scope 0 at $DIR/issue_101973.rs:+1:5: +1:65
+          StorageLive(_3);                 // scope 0 at $DIR/issue_101973.rs:+1:5: +1:58
+          StorageLive(_4);                 // scope 0 at $DIR/issue_101973.rs:+1:5: +1:17
+          StorageLive(_15);                // scope 2 at $DIR/issue_101973.rs:8:12: 8:27
+          StorageLive(_14);                // scope 2 at $DIR/issue_101973.rs:8:12: 8:20
+          _14 = Shr(_1, const 0_i32);      // scope 2 at $DIR/issue_101973.rs:8:12: 8:20
+          _15 = BitAnd(move _14, const 255_u32); // scope 2 at $DIR/issue_101973.rs:8:12: 8:27
+          StorageDead(_14);                // scope 2 at $DIR/issue_101973.rs:8:26: 8:27
+          _4 = BitOr(const 0_u32, move _15); // scope 2 at $DIR/issue_101973.rs:8:5: 8:27
+          StorageDead(_15);                // scope 2 at $DIR/issue_101973.rs:8:26: 8:27
+          StorageLive(_6);                 // scope 0 at $DIR/issue_101973.rs:+1:31: +1:57
+          StorageLive(_7);                 // scope 0 at $DIR/issue_101973.rs:+1:31: +1:52
+          StorageLive(_8);                 // scope 0 at $DIR/issue_101973.rs:+1:32: +1:45
+-         _10 = const 8_i32 as u32 (IntToInt); // scope 0 at $DIR/issue_101973.rs:+1:32: +1:45
+-         _11 = Lt(move _10, const 32_u32); // scope 0 at $DIR/issue_101973.rs:+1:32: +1:45
+-         assert(move _11, "attempt to shift right by `{}`, which would overflow", const 8_i32) -> [success: bb1, unwind unreachable]; // scope 0 at $DIR/issue_101973.rs:+1:32: +1:45
++         _10 = const 8_u32;               // scope 0 at $DIR/issue_101973.rs:+1:32: +1:45
++         _11 = const true;                // scope 0 at $DIR/issue_101973.rs:+1:32: +1:45
++         assert(const true, "attempt to shift right by `{}`, which would overflow", const 8_i32) -> [success: bb1, unwind unreachable]; // scope 0 at $DIR/issue_101973.rs:+1:32: +1:45
+      }
+  
+      bb1: {
+          _8 = Shr(_1, const 8_i32);       // scope 0 at $DIR/issue_101973.rs:+1:32: +1:45
+          _7 = BitAnd(move _8, const 15_u32); // scope 0 at $DIR/issue_101973.rs:+1:31: +1:52
+          StorageDead(_8);                 // scope 0 at $DIR/issue_101973.rs:+1:51: +1:52
+-         _12 = const 1_i32 as u32 (IntToInt); // scope 0 at $DIR/issue_101973.rs:+1:31: +1:57
+-         _13 = Lt(move _12, const 32_u32); // scope 0 at $DIR/issue_101973.rs:+1:31: +1:57
+-         assert(move _13, "attempt to shift left by `{}`, which would overflow", const 1_i32) -> [success: bb2, unwind unreachable]; // scope 0 at $DIR/issue_101973.rs:+1:31: +1:57
++         _12 = const 1_u32;               // scope 0 at $DIR/issue_101973.rs:+1:31: +1:57
++         _13 = const true;                // scope 0 at $DIR/issue_101973.rs:+1:31: +1:57
++         assert(const true, "attempt to shift left by `{}`, which would overflow", const 1_i32) -> [success: bb2, unwind unreachable]; // scope 0 at $DIR/issue_101973.rs:+1:31: +1:57
+      }
+  
+      bb2: {
+          _6 = Shl(move _7, const 1_i32);  // scope 0 at $DIR/issue_101973.rs:+1:31: +1:57
+          StorageDead(_7);                 // scope 0 at $DIR/issue_101973.rs:+1:56: +1:57
+          _3 = rotate_right::<u32>(_4, _6) -> [return: bb3, unwind unreachable]; // scope 3 at $SRC_DIR/core/src/num/uint_macros.rs:LL:COL
+                                           // mir::Constant
+                                           // + span: $SRC_DIR/core/src/num/uint_macros.rs:LL:COL
+                                           // + literal: Const { ty: extern "rust-intrinsic" fn(u32, u32) -> u32 {rotate_right::<u32>}, val: Value(<ZST>) }
+      }
+  
+      bb3: {
+          StorageDead(_6);                 // scope 0 at $DIR/issue_101973.rs:+1:57: +1:58
+          StorageDead(_4);                 // scope 0 at $DIR/issue_101973.rs:+1:57: +1:58
+          _2 = move _3 as i32 (IntToInt);  // scope 0 at $DIR/issue_101973.rs:+1:5: +1:65
+          StorageDead(_3);                 // scope 0 at $DIR/issue_101973.rs:+1:64: +1:65
+          _0 = move _2 as i64 (IntToInt);  // scope 0 at $DIR/issue_101973.rs:+1:5: +1:72
+          StorageDead(_2);                 // scope 0 at $DIR/issue_101973.rs:+1:71: +1:72
+          return;                          // scope 0 at $DIR/issue_101973.rs:+2:2: +2:2
+      }
+  }
+  
diff --git a/tests/mir-opt/issue_101973.inner.ConstProp.diff b/tests/mir-opt/issue_101973.inner.ConstProp.panic-unwind.diff
index 2f68f65c874..2f68f65c874 100644
--- a/tests/mir-opt/issue_101973.inner.ConstProp.diff
+++ b/tests/mir-opt/issue_101973.inner.ConstProp.panic-unwind.diff
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
new file mode 100644
index 00000000000..a8e2bc7186d
--- /dev/null
+++ b/tests/mir-opt/issue_104451_unwindable_intrinsics.main.AbortUnwindingCalls.after.panic-abort.mir
@@ -0,0 +1,25 @@
+// MIR for `main` after AbortUnwindingCalls
+
+fn main() -> () {
+    let mut _0: ();                      // return place in scope 0 at $DIR/issue_104451_unwindable_intrinsics.rs:+0:11: +0:11
+    let mut _1: !;                       // in scope 0 at $DIR/issue_104451_unwindable_intrinsics.rs:+2:9: +2:62
+    let mut _2: ();                      // in scope 0 at $DIR/issue_104451_unwindable_intrinsics.rs:+2:45: +2:47
+    scope 1 {
+    }
+
+    bb0: {
+        StorageLive(_1);                 // scope 1 at $DIR/issue_104451_unwindable_intrinsics.rs:+2:9: +2:62
+        StorageLive(_2);                 // scope 1 at $DIR/issue_104451_unwindable_intrinsics.rs:+2:45: +2:47
+        _2 = ();                         // scope 1 at $DIR/issue_104451_unwindable_intrinsics.rs:+2:45: +2:47
+        _1 = const_eval_select::<(), fn() -> ! {ow_ct}, fn() -> ! {ow_ct}, !>(move _2, ow_ct, ow_ct) -> unwind unreachable; // scope 1 at $DIR/issue_104451_unwindable_intrinsics.rs:+2:9: +2:62
+                                         // mir::Constant
+                                         // + span: $DIR/issue_104451_unwindable_intrinsics.rs:8:9: 8:44
+                                         // + literal: Const { ty: unsafe extern "rust-intrinsic" fn((), fn() -> ! {ow_ct}, fn() -> ! {ow_ct}) -> ! {const_eval_select::<(), fn() -> ! {ow_ct}, fn() -> ! {ow_ct}, !>}, val: Value(<ZST>) }
+                                         // mir::Constant
+                                         // + span: $DIR/issue_104451_unwindable_intrinsics.rs:8:49: 8:54
+                                         // + literal: Const { ty: fn() -> ! {ow_ct}, val: Value(<ZST>) }
+                                         // mir::Constant
+                                         // + span: $DIR/issue_104451_unwindable_intrinsics.rs:8:56: 8:61
+                                         // + literal: Const { ty: fn() -> ! {ow_ct}, val: Value(<ZST>) }
+    }
+}
diff --git a/tests/mir-opt/issue_104451_unwindable_intrinsics.main.AbortUnwindingCalls.after.mir b/tests/mir-opt/issue_104451_unwindable_intrinsics.main.AbortUnwindingCalls.after.panic-unwind.mir
index f50c0eb4788..f50c0eb4788 100644
--- a/tests/mir-opt/issue_104451_unwindable_intrinsics.main.AbortUnwindingCalls.after.mir
+++ b/tests/mir-opt/issue_104451_unwindable_intrinsics.main.AbortUnwindingCalls.after.panic-unwind.mir
diff --git a/tests/mir-opt/issue_41110.main.ElaborateDrops.diff b/tests/mir-opt/issue_41110.main.ElaborateDrops.panic-abort.diff
index ac252024928..ac252024928 100644
--- a/tests/mir-opt/issue_41110.main.ElaborateDrops.diff
+++ b/tests/mir-opt/issue_41110.main.ElaborateDrops.panic-abort.diff
diff --git a/tests/mir-opt/issue_41110.main.ElaborateDrops.panic-unwind.diff b/tests/mir-opt/issue_41110.main.ElaborateDrops.panic-unwind.diff
new file mode 100644
index 00000000000..ac252024928
--- /dev/null
+++ b/tests/mir-opt/issue_41110.main.ElaborateDrops.panic-unwind.diff
@@ -0,0 +1,75 @@
+- // MIR for `main` before ElaborateDrops
++ // MIR for `main` after ElaborateDrops
+  
+  fn main() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/issue_41110.rs:+0:11: +0:11
+      let _1: ();                          // in scope 0 at $DIR/issue_41110.rs:+1:9: +1:10
+      let mut _2: S;                       // in scope 0 at $DIR/issue_41110.rs:+1:13: +1:14
+      let mut _3: S;                       // in scope 0 at $DIR/issue_41110.rs:+1:21: +1:27
+      let mut _4: S;                       // in scope 0 at $DIR/issue_41110.rs:+1:21: +1:22
++     let mut _5: bool;                    // in scope 0 at $DIR/issue_41110.rs:+1:27: +1:28
+      scope 1 {
+          debug x => _1;                   // in scope 1 at $DIR/issue_41110.rs:+1:9: +1:10
+      }
+  
+      bb0: {
++         _5 = const false;                // scope 0 at $DIR/issue_41110.rs:+1:9: +1:10
+          StorageLive(_1);                 // scope 0 at $DIR/issue_41110.rs:+1:9: +1:10
+          StorageLive(_2);                 // scope 0 at $DIR/issue_41110.rs:+1:13: +1:14
++         _5 = const true;                 // scope 0 at $DIR/issue_41110.rs:+1:13: +1:14
+          _2 = S;                          // scope 0 at $DIR/issue_41110.rs:+1:13: +1:14
+          StorageLive(_3);                 // scope 0 at $DIR/issue_41110.rs:+1:21: +1:27
+          StorageLive(_4);                 // scope 0 at $DIR/issue_41110.rs:+1:21: +1:22
+          _4 = S;                          // scope 0 at $DIR/issue_41110.rs:+1:21: +1:22
+          _3 = S::id(move _4) -> [return: bb1, unwind: bb4]; // scope 0 at $DIR/issue_41110.rs:+1:21: +1:27
+                                           // mir::Constant
+                                           // + span: $DIR/issue_41110.rs:8:23: 8:25
+                                           // + literal: Const { ty: fn(S) -> S {S::id}, val: Value(<ZST>) }
+      }
+  
+      bb1: {
+          StorageDead(_4);                 // scope 0 at $DIR/issue_41110.rs:+1:26: +1:27
++         _5 = const false;                // scope 0 at $DIR/issue_41110.rs:+1:13: +1:28
+          _1 = S::other(move _2, move _3) -> [return: bb2, unwind: bb3]; // scope 0 at $DIR/issue_41110.rs:+1:13: +1:28
+                                           // mir::Constant
+                                           // + span: $DIR/issue_41110.rs:8:15: 8:20
+                                           // + literal: Const { ty: fn(S, S) {S::other}, val: Value(<ZST>) }
+      }
+  
+      bb2: {
+          StorageDead(_3);                 // scope 0 at $DIR/issue_41110.rs:+1:27: +1:28
++         _5 = const false;                // scope 0 at $DIR/issue_41110.rs:+1:27: +1:28
+          StorageDead(_2);                 // scope 0 at $DIR/issue_41110.rs:+1:27: +1:28
+          _0 = const ();                   // scope 0 at $DIR/issue_41110.rs:+0:11: +2:2
+          StorageDead(_1);                 // scope 0 at $DIR/issue_41110.rs:+2:1: +2:2
+          return;                          // scope 0 at $DIR/issue_41110.rs:+2:2: +2:2
+      }
+  
+      bb3 (cleanup): {
+-         drop(_3) -> [return: bb5, unwind terminate]; // scope 0 at $DIR/issue_41110.rs:+1:27: +1:28
++         goto -> bb5;                     // scope 0 at $DIR/issue_41110.rs:+1:27: +1:28
+      }
+  
+      bb4 (cleanup): {
+-         drop(_4) -> [return: bb5, unwind terminate]; // scope 0 at $DIR/issue_41110.rs:+1:26: +1:27
++         goto -> bb5;                     // scope 0 at $DIR/issue_41110.rs:+1:26: +1:27
+      }
+  
+      bb5 (cleanup): {
+-         drop(_2) -> [return: bb6, unwind terminate]; // scope 0 at $DIR/issue_41110.rs:+1:27: +1:28
++         goto -> bb8;                     // scope 0 at $DIR/issue_41110.rs:+1:27: +1:28
+      }
+  
+      bb6 (cleanup): {
+          resume;                          // scope 0 at $DIR/issue_41110.rs:+0:1: +2:2
++     }
++ 
++     bb7 (cleanup): {
++         drop(_2) -> [return: bb6, unwind terminate]; // scope 0 at $DIR/issue_41110.rs:+1:27: +1:28
++     }
++ 
++     bb8 (cleanup): {
++         switchInt(_5) -> [0: bb6, otherwise: bb7]; // scope 0 at $DIR/issue_41110.rs:+1:27: +1:28
+      }
+  }
+  
diff --git a/tests/mir-opt/issue_41110.test.ElaborateDrops.panic-abort.diff b/tests/mir-opt/issue_41110.test.ElaborateDrops.panic-abort.diff
new file mode 100644
index 00000000000..84bcab000af
--- /dev/null
+++ b/tests/mir-opt/issue_41110.test.ElaborateDrops.panic-abort.diff
@@ -0,0 +1,105 @@
+- // MIR for `test` before ElaborateDrops
++ // MIR for `test` after ElaborateDrops
+  
+  fn test() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/issue_41110.rs:+0:15: +0:15
+      let _1: S;                           // in scope 0 at $DIR/issue_41110.rs:+1:9: +1:10
+      let _3: ();                          // in scope 0 at $DIR/issue_41110.rs:+3:5: +3:12
+      let mut _4: S;                       // in scope 0 at $DIR/issue_41110.rs:+3:10: +3:11
+      let mut _5: S;                       // in scope 0 at $DIR/issue_41110.rs:+4:9: +4:10
++     let mut _6: bool;                    // in scope 0 at $DIR/issue_41110.rs:+5:1: +5:2
+      scope 1 {
+          debug u => _1;                   // in scope 1 at $DIR/issue_41110.rs:+1:9: +1:10
+          let mut _2: S;                   // in scope 1 at $DIR/issue_41110.rs:+2:9: +2:14
+          scope 2 {
+              debug v => _2;               // in scope 2 at $DIR/issue_41110.rs:+2:9: +2:14
+          }
+      }
+  
+      bb0: {
++         _6 = const false;                // scope 0 at $DIR/issue_41110.rs:+1:9: +1:10
+          StorageLive(_1);                 // scope 0 at $DIR/issue_41110.rs:+1:9: +1:10
++         _6 = const true;                 // scope 0 at $DIR/issue_41110.rs:+1:13: +1:14
+          _1 = S;                          // scope 0 at $DIR/issue_41110.rs:+1:13: +1:14
+          StorageLive(_2);                 // scope 1 at $DIR/issue_41110.rs:+2:9: +2:14
+          _2 = S;                          // scope 1 at $DIR/issue_41110.rs:+2:17: +2:18
+          StorageLive(_3);                 // scope 2 at $DIR/issue_41110.rs:+3:5: +3:12
+          StorageLive(_4);                 // scope 2 at $DIR/issue_41110.rs:+3:10: +3:11
+          _4 = move _2;                    // scope 2 at $DIR/issue_41110.rs:+3:10: +3:11
+          _3 = std::mem::drop::<S>(move _4) -> [return: bb1, unwind: bb7]; // scope 2 at $DIR/issue_41110.rs:+3:5: +3:12
+                                           // mir::Constant
+                                           // + span: $DIR/issue_41110.rs:17:5: 17:9
+                                           // + literal: Const { ty: fn(S) {std::mem::drop::<S>}, val: Value(<ZST>) }
+      }
+  
+      bb1: {
+          StorageDead(_4);                 // scope 2 at $DIR/issue_41110.rs:+3:11: +3:12
+          StorageDead(_3);                 // scope 2 at $DIR/issue_41110.rs:+3:12: +3:13
+          StorageLive(_5);                 // scope 2 at $DIR/issue_41110.rs:+4:9: +4:10
++         _6 = const false;                // scope 2 at $DIR/issue_41110.rs:+4:9: +4:10
+          _5 = move _1;                    // scope 2 at $DIR/issue_41110.rs:+4:9: +4:10
+-         drop(_2) -> [return: bb2, unwind: bb3]; // scope 2 at $DIR/issue_41110.rs:+4:5: +4:6
++         goto -> bb2;                     // scope 2 at $DIR/issue_41110.rs:+4:5: +4:6
+      }
+  
+      bb2: {
+          _2 = move _5;                    // scope 2 at $DIR/issue_41110.rs:+4:5: +4:6
+-         drop(_5) -> [return: bb4, unwind: bb8]; // scope 2 at $DIR/issue_41110.rs:+4:9: +4:10
++         goto -> bb4;                     // scope 2 at $DIR/issue_41110.rs:+4:9: +4:10
+      }
+  
+      bb3 (cleanup): {
+          _2 = move _5;                    // scope 2 at $DIR/issue_41110.rs:+4:5: +4:6
+          drop(_5) -> [return: bb8, unwind terminate]; // scope 2 at $DIR/issue_41110.rs:+4:9: +4:10
+      }
+  
+      bb4: {
+          StorageDead(_5);                 // scope 2 at $DIR/issue_41110.rs:+4:9: +4:10
+          _0 = const ();                   // scope 0 at $DIR/issue_41110.rs:+0:15: +5:2
+          drop(_2) -> [return: bb5, unwind: bb9]; // scope 1 at $DIR/issue_41110.rs:+5:1: +5:2
+      }
+  
+      bb5: {
+          StorageDead(_2);                 // scope 1 at $DIR/issue_41110.rs:+5:1: +5:2
+-         drop(_1) -> [return: bb6, unwind: bb10]; // scope 0 at $DIR/issue_41110.rs:+5:1: +5:2
++         goto -> bb6;                     // scope 0 at $DIR/issue_41110.rs:+5:1: +5:2
+      }
+  
+      bb6: {
++         _6 = const false;                // scope 0 at $DIR/issue_41110.rs:+5:1: +5:2
+          StorageDead(_1);                 // scope 0 at $DIR/issue_41110.rs:+5:1: +5:2
+          return;                          // scope 0 at $DIR/issue_41110.rs:+5:2: +5:2
+      }
+  
+      bb7 (cleanup): {
+-         drop(_4) -> [return: bb8, unwind terminate]; // scope 2 at $DIR/issue_41110.rs:+3:11: +3:12
++         goto -> bb8;                     // scope 2 at $DIR/issue_41110.rs:+3:11: +3:12
+      }
+  
+      bb8 (cleanup): {
+-         drop(_2) -> [return: bb9, unwind terminate]; // scope 1 at $DIR/issue_41110.rs:+5:1: +5:2
++         goto -> bb9;                     // scope 1 at $DIR/issue_41110.rs:+5:1: +5:2
+      }
+  
+      bb9 (cleanup): {
+-         drop(_1) -> [return: bb10, unwind terminate]; // scope 0 at $DIR/issue_41110.rs:+5:1: +5:2
++         goto -> bb13;                    // scope 0 at $DIR/issue_41110.rs:+5:1: +5:2
+      }
+  
+      bb10 (cleanup): {
+          resume;                          // scope 0 at $DIR/issue_41110.rs:+0:1: +5:2
++     }
++ 
++     bb11 (cleanup): {
++         unreachable;                     // scope 0 at $DIR/issue_41110.rs:+0:1: +5:2
++     }
++ 
++     bb12 (cleanup): {
++         drop(_1) -> [return: bb10, unwind terminate]; // scope 0 at $DIR/issue_41110.rs:+5:1: +5:2
++     }
++ 
++     bb13 (cleanup): {
++         switchInt(_6) -> [0: bb10, otherwise: bb12]; // scope 0 at $DIR/issue_41110.rs:+5:1: +5:2
+      }
+  }
+  
diff --git a/tests/mir-opt/issue_41110.test.ElaborateDrops.diff b/tests/mir-opt/issue_41110.test.ElaborateDrops.panic-unwind.diff
index a4a07ad1243..a4a07ad1243 100644
--- a/tests/mir-opt/issue_41110.test.ElaborateDrops.diff
+++ b/tests/mir-opt/issue_41110.test.ElaborateDrops.panic-unwind.diff
diff --git a/tests/mir-opt/issue_41888.main.ElaborateDrops.panic-abort.diff b/tests/mir-opt/issue_41888.main.ElaborateDrops.panic-abort.diff
new file mode 100644
index 00000000000..d4d19b97a92
--- /dev/null
+++ b/tests/mir-opt/issue_41888.main.ElaborateDrops.panic-abort.diff
@@ -0,0 +1,151 @@
+- // MIR for `main` before ElaborateDrops
++ // MIR for `main` after ElaborateDrops
+  
+  fn main() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/issue_41888.rs:+0:11: +0:11
+      let _1: E;                           // in scope 0 at $DIR/issue_41888.rs:+1:9: +1:10
+      let mut _2: bool;                    // in scope 0 at $DIR/issue_41888.rs:+2:8: +2:14
+      let mut _3: E;                       // in scope 0 at $DIR/issue_41888.rs:+3:13: +3:20
+      let mut _4: K;                       // in scope 0 at $DIR/issue_41888.rs:+3:18: +3:19
+      let mut _5: isize;                   // in scope 0 at $DIR/issue_41888.rs:+4:16: +4:24
++     let mut _7: bool;                    // in scope 0 at $DIR/issue_41888.rs:+9:1: +9:2
++     let mut _8: bool;                    // in scope 0 at $DIR/issue_41888.rs:+9:1: +9:2
++     let mut _9: bool;                    // in scope 0 at $DIR/issue_41888.rs:+9:1: +9:2
++     let mut _10: isize;                  // in scope 0 at $DIR/issue_41888.rs:+9:1: +9:2
++     let mut _11: isize;                  // in scope 0 at $DIR/issue_41888.rs:+9:1: +9:2
+      scope 1 {
+          debug e => _1;                   // in scope 1 at $DIR/issue_41888.rs:+1:9: +1:10
+          scope 2 {
+              debug _k => _6;              // in scope 2 at $DIR/issue_41888.rs:+4:21: +4:23
+              let _6: K;                   // in scope 2 at $DIR/issue_41888.rs:+4:21: +4:23
+          }
+      }
+  
+      bb0: {
++         _7 = const false;                // scope 0 at $DIR/issue_41888.rs:+1:9: +1:10
++         _8 = const false;                // scope 0 at $DIR/issue_41888.rs:+1:9: +1:10
++         _9 = const false;                // scope 0 at $DIR/issue_41888.rs:+1:9: +1:10
+          StorageLive(_1);                 // scope 0 at $DIR/issue_41888.rs:+1:9: +1:10
+          StorageLive(_2);                 // scope 1 at $DIR/issue_41888.rs:+2:8: +2:14
+          _2 = cond() -> [return: bb1, unwind: bb11]; // scope 1 at $DIR/issue_41888.rs:+2:8: +2:14
+                                           // mir::Constant
+                                           // + span: $DIR/issue_41888.rs:8:8: 8:12
+                                           // + literal: Const { ty: fn() -> bool {cond}, val: Value(<ZST>) }
+      }
+  
+      bb1: {
+          switchInt(move _2) -> [0: bb8, otherwise: bb2]; // scope 1 at $DIR/issue_41888.rs:+2:8: +2:14
+      }
+  
+      bb2: {
+          StorageLive(_3);                 // scope 1 at $DIR/issue_41888.rs:+3:13: +3:20
+          StorageLive(_4);                 // scope 1 at $DIR/issue_41888.rs:+3:18: +3:19
+          _4 = K;                          // scope 1 at $DIR/issue_41888.rs:+3:18: +3:19
+          _3 = E::F(move _4);              // scope 1 at $DIR/issue_41888.rs:+3:13: +3:20
+          StorageDead(_4);                 // scope 1 at $DIR/issue_41888.rs:+3:19: +3:20
+-         drop(_1) -> [return: bb3, unwind: bb4]; // scope 1 at $DIR/issue_41888.rs:+3:9: +3:10
++         goto -> bb3;                     // scope 1 at $DIR/issue_41888.rs:+3:9: +3:10
+      }
+  
+      bb3: {
++         _7 = const true;                 // scope 1 at $DIR/issue_41888.rs:+3:9: +3:10
++         _8 = const true;                 // scope 1 at $DIR/issue_41888.rs:+3:9: +3:10
++         _9 = const true;                 // scope 1 at $DIR/issue_41888.rs:+3:9: +3:10
+          _1 = move _3;                    // scope 1 at $DIR/issue_41888.rs:+3:9: +3:10
+-         drop(_3) -> [return: bb5, unwind: bb11]; // scope 1 at $DIR/issue_41888.rs:+3:19: +3:20
++         goto -> bb5;                     // scope 1 at $DIR/issue_41888.rs:+3:19: +3:20
+      }
+  
+      bb4 (cleanup): {
+          _1 = move _3;                    // scope 1 at $DIR/issue_41888.rs:+3:9: +3:10
+          drop(_3) -> [return: bb11, unwind terminate]; // scope 1 at $DIR/issue_41888.rs:+3:19: +3:20
+      }
+  
+      bb5: {
+          StorageDead(_3);                 // scope 1 at $DIR/issue_41888.rs:+3:19: +3:20
+          _5 = discriminant(_1);           // scope 2 at $DIR/issue_41888.rs:+4:16: +4:24
+          switchInt(move _5) -> [0: bb6, otherwise: bb7]; // scope 2 at $DIR/issue_41888.rs:+4:16: +4:24
+      }
+  
+      bb6: {
+          StorageLive(_6);                 // scope 2 at $DIR/issue_41888.rs:+4:21: +4:23
++         _9 = const false;                // scope 2 at $DIR/issue_41888.rs:+4:21: +4:23
+          _6 = move ((_1 as F).0: K);      // scope 2 at $DIR/issue_41888.rs:+4:21: +4:23
+          _0 = const ();                   // scope 2 at $DIR/issue_41888.rs:+4:29: +7:10
+          StorageDead(_6);                 // scope 1 at $DIR/issue_41888.rs:+7:9: +7:10
+          goto -> bb9;                     // scope 1 at $DIR/issue_41888.rs:+4:9: +7:10
+      }
+  
+      bb7: {
+          _0 = const ();                   // scope 1 at $DIR/issue_41888.rs:+7:10: +7:10
+          goto -> bb9;                     // scope 1 at $DIR/issue_41888.rs:+4:9: +7:10
+      }
+  
+      bb8: {
+          _0 = const ();                   // scope 1 at $DIR/issue_41888.rs:+8:6: +8:6
+          goto -> bb9;                     // scope 1 at $DIR/issue_41888.rs:+2:5: +8:6
+      }
+  
+      bb9: {
+          StorageDead(_2);                 // scope 1 at $DIR/issue_41888.rs:+8:5: +8:6
+-         drop(_1) -> [return: bb10, unwind: bb12]; // scope 0 at $DIR/issue_41888.rs:+9:1: +9:2
++         goto -> bb19;                    // scope 0 at $DIR/issue_41888.rs:+9:1: +9:2
+      }
+  
+      bb10: {
++         _7 = const false;                // scope 0 at $DIR/issue_41888.rs:+9:1: +9:2
++         _8 = const false;                // scope 0 at $DIR/issue_41888.rs:+9:1: +9:2
++         _9 = const false;                // scope 0 at $DIR/issue_41888.rs:+9:1: +9:2
+          StorageDead(_1);                 // scope 0 at $DIR/issue_41888.rs:+9:1: +9:2
+          return;                          // scope 0 at $DIR/issue_41888.rs:+9:2: +9:2
+      }
+  
+      bb11 (cleanup): {
+-         drop(_1) -> [return: bb12, unwind terminate]; // scope 0 at $DIR/issue_41888.rs:+9:1: +9:2
++         goto -> bb12;                    // scope 0 at $DIR/issue_41888.rs:+9:1: +9:2
+      }
+  
+      bb12 (cleanup): {
+          resume;                          // scope 0 at $DIR/issue_41888.rs:+0:1: +9:2
++     }
++ 
++     bb13 (cleanup): {
++         unreachable;                     // scope 0 at $DIR/issue_41888.rs:+0:1: +9:2
++     }
++ 
++     bb14: {
++         _7 = const false;                // scope 0 at $DIR/issue_41888.rs:+9:1: +9:2
++         goto -> bb10;                    // scope 0 at $DIR/issue_41888.rs:+9:1: +9:2
++     }
++ 
++     bb15 (cleanup): {
++         goto -> bb12;                    // scope 0 at $DIR/issue_41888.rs:+9:1: +9:2
++     }
++ 
++     bb16: {
++         drop(_1) -> [return: bb14, unwind: bb12]; // scope 0 at $DIR/issue_41888.rs:+9:1: +9:2
++     }
++ 
++     bb17 (cleanup): {
++         drop(_1) -> [return: bb12, unwind terminate]; // scope 0 at $DIR/issue_41888.rs:+9:1: +9:2
++     }
++ 
++     bb18: {
++         _10 = discriminant(_1);          // scope 0 at $DIR/issue_41888.rs:+9:1: +9:2
++         switchInt(move _10) -> [0: bb14, otherwise: bb16]; // scope 0 at $DIR/issue_41888.rs:+9:1: +9:2
++     }
++ 
++     bb19: {
++         switchInt(_7) -> [0: bb14, otherwise: bb18]; // scope 0 at $DIR/issue_41888.rs:+9:1: +9:2
++     }
++ 
++     bb20 (cleanup): {
++         _11 = discriminant(_1);          // scope 0 at $DIR/issue_41888.rs:+9:1: +9:2
++         switchInt(move _11) -> [0: bb15, otherwise: bb17]; // scope 0 at $DIR/issue_41888.rs:+9:1: +9:2
++     }
++ 
++     bb21 (cleanup): {
++         switchInt(_7) -> [0: bb12, otherwise: bb20]; // scope 0 at $DIR/issue_41888.rs:+9:1: +9:2
+      }
+  }
+  
diff --git a/tests/mir-opt/issue_41888.main.ElaborateDrops.diff b/tests/mir-opt/issue_41888.main.ElaborateDrops.panic-unwind.diff
index 46b450a4e47..46b450a4e47 100644
--- a/tests/mir-opt/issue_41888.main.ElaborateDrops.diff
+++ b/tests/mir-opt/issue_41888.main.ElaborateDrops.panic-unwind.diff
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
new file mode 100644
index 00000000000..b3566e475b5
--- /dev/null
+++ b/tests/mir-opt/issue_62289.test.ElaborateDrops.before.panic-abort.mir
@@ -0,0 +1,122 @@
+// MIR for `test` before ElaborateDrops
+
+fn test() -> Option<Box<u32>> {
+    let mut _0: std::option::Option<std::boxed::Box<u32>>; // return place in scope 0 at $DIR/issue_62289.rs:+0:14: +0:30
+    let mut _1: std::boxed::Box<u32>;    // in scope 0 at $DIR/issue_62289.rs:+3:9: +3:24
+    let mut _2: usize;                   // in scope 0 at $DIR/issue_62289.rs:+3:9: +3:24
+    let mut _3: usize;                   // in scope 0 at $DIR/issue_62289.rs:+3:9: +3:24
+    let mut _4: *mut u8;                 // in scope 0 at $DIR/issue_62289.rs:+3:9: +3:24
+    let mut _5: std::boxed::Box<u32>;    // in scope 0 at $DIR/issue_62289.rs:+3:9: +3:24
+    let mut _6: std::ops::ControlFlow<std::option::Option<std::convert::Infallible>, u32>; // in scope 0 at $DIR/issue_62289.rs:+3:18: +3:23
+    let mut _7: std::option::Option<u32>; // in scope 0 at $DIR/issue_62289.rs:+3:18: +3:22
+    let mut _8: isize;                   // in scope 0 at $DIR/issue_62289.rs:+3:22: +3:23
+    let _9: std::option::Option<std::convert::Infallible>; // in scope 0 at $DIR/issue_62289.rs:+3:22: +3:23
+    let mut _10: !;                      // in scope 0 at $DIR/issue_62289.rs:+3:22: +3:23
+    let mut _11: std::option::Option<std::convert::Infallible>; // in scope 0 at $DIR/issue_62289.rs:+3:22: +3:23
+    let _12: u32;                        // in scope 0 at $DIR/issue_62289.rs:+3:18: +3:23
+    scope 1 {
+    }
+    scope 2 {
+        debug residual => _9;            // in scope 2 at $DIR/issue_62289.rs:+3:22: +3:23
+        scope 3 {
+        }
+    }
+    scope 4 {
+        debug val => _12;                // in scope 4 at $DIR/issue_62289.rs:+3:18: +3:23
+        scope 5 {
+        }
+    }
+
+    bb0: {
+        StorageLive(_1);                 // scope 0 at $DIR/issue_62289.rs:+3:9: +3:24
+        _2 = SizeOf(u32);                // scope 1 at $DIR/issue_62289.rs:+3:9: +3:24
+        _3 = AlignOf(u32);               // scope 1 at $DIR/issue_62289.rs:+3:9: +3:24
+        _4 = alloc::alloc::exchange_malloc(move _2, move _3) -> [return: bb1, unwind: bb13]; // scope 1 at $DIR/issue_62289.rs:+3:9: +3:24
+                                         // mir::Constant
+                                         // + span: $DIR/issue_62289.rs:11:9: 11:24
+                                         // + literal: Const { ty: unsafe fn(usize, usize) -> *mut u8 {alloc::alloc::exchange_malloc}, val: Value(<ZST>) }
+    }
+
+    bb1: {
+        StorageLive(_5);                 // scope 0 at $DIR/issue_62289.rs:+3:9: +3:24
+        _5 = ShallowInitBox(move _4, u32); // scope 0 at $DIR/issue_62289.rs:+3:9: +3:24
+        StorageLive(_6);                 // scope 0 at $DIR/issue_62289.rs:+3:18: +3:23
+        StorageLive(_7);                 // scope 0 at $DIR/issue_62289.rs:+3:18: +3:22
+        _7 = Option::<u32>::None;        // scope 0 at $DIR/issue_62289.rs:+3:18: +3:22
+        _6 = <Option<u32> as Try>::branch(move _7) -> [return: bb2, unwind: bb12]; // scope 0 at $DIR/issue_62289.rs:+3:18: +3:23
+                                         // mir::Constant
+                                         // + span: $DIR/issue_62289.rs:11:18: 11:23
+                                         // + literal: Const { ty: fn(Option<u32>) -> ControlFlow<<Option<u32> as Try>::Residual, <Option<u32> as Try>::Output> {<Option<u32> as Try>::branch}, val: Value(<ZST>) }
+    }
+
+    bb2: {
+        StorageDead(_7);                 // scope 0 at $DIR/issue_62289.rs:+3:22: +3:23
+        _8 = discriminant(_6);           // scope 0 at $DIR/issue_62289.rs:+3:18: +3:23
+        switchInt(move _8) -> [0: bb3, 1: bb5, otherwise: bb4]; // scope 0 at $DIR/issue_62289.rs:+3:18: +3:23
+    }
+
+    bb3: {
+        StorageLive(_12);                // scope 0 at $DIR/issue_62289.rs:+3:18: +3:23
+        _12 = ((_6 as Continue).0: u32); // scope 0 at $DIR/issue_62289.rs:+3:18: +3:23
+        (*_5) = _12;                     // scope 5 at $DIR/issue_62289.rs:+3:18: +3:23
+        StorageDead(_12);                // scope 0 at $DIR/issue_62289.rs:+3:22: +3:23
+        _1 = move _5;                    // scope 0 at $DIR/issue_62289.rs:+3:9: +3:24
+        drop(_5) -> [return: bb7, unwind: bb11]; // scope 0 at $DIR/issue_62289.rs:+3:23: +3:24
+    }
+
+    bb4: {
+        unreachable;                     // scope 0 at $DIR/issue_62289.rs:+3:18: +3:23
+    }
+
+    bb5: {
+        StorageLive(_9);                 // scope 0 at $DIR/issue_62289.rs:+3:22: +3:23
+        _9 = ((_6 as Break).0: std::option::Option<std::convert::Infallible>); // scope 0 at $DIR/issue_62289.rs:+3:22: +3:23
+        StorageLive(_11);                // scope 3 at $DIR/issue_62289.rs:+3:22: +3:23
+        _11 = _9;                        // scope 3 at $DIR/issue_62289.rs:+3:22: +3:23
+        _0 = <Option<Box<u32>> as FromResidual<Option<Infallible>>>::from_residual(move _11) -> [return: bb6, unwind: bb12]; // scope 3 at $DIR/issue_62289.rs:+3:18: +3:23
+                                         // mir::Constant
+                                         // + span: $DIR/issue_62289.rs:11:22: 11:23
+                                         // + literal: Const { ty: fn(Option<Infallible>) -> Option<Box<u32>> {<Option<Box<u32>> as FromResidual<Option<Infallible>>>::from_residual}, val: Value(<ZST>) }
+    }
+
+    bb6: {
+        StorageDead(_11);                // scope 3 at $DIR/issue_62289.rs:+3:22: +3:23
+        StorageDead(_9);                 // scope 0 at $DIR/issue_62289.rs:+3:22: +3:23
+        drop(_5) -> [return: bb9, unwind: bb13]; // scope 0 at $DIR/issue_62289.rs:+3:23: +3:24
+    }
+
+    bb7: {
+        StorageDead(_5);                 // scope 0 at $DIR/issue_62289.rs:+3:23: +3:24
+        _0 = Option::<Box<u32>>::Some(move _1); // scope 0 at $DIR/issue_62289.rs:+1:5: +4:6
+        drop(_1) -> [return: bb8, unwind: bb13]; // scope 0 at $DIR/issue_62289.rs:+4:5: +4:6
+    }
+
+    bb8: {
+        StorageDead(_1);                 // scope 0 at $DIR/issue_62289.rs:+4:5: +4:6
+        StorageDead(_6);                 // scope 0 at $DIR/issue_62289.rs:+5:1: +5:2
+        goto -> bb10;                    // scope 0 at $DIR/issue_62289.rs:+5:2: +5:2
+    }
+
+    bb9: {
+        StorageDead(_5);                 // scope 0 at $DIR/issue_62289.rs:+3:23: +3:24
+        StorageDead(_1);                 // scope 0 at $DIR/issue_62289.rs:+4:5: +4:6
+        StorageDead(_6);                 // scope 0 at $DIR/issue_62289.rs:+5:1: +5:2
+        goto -> bb10;                    // scope 0 at $DIR/issue_62289.rs:+5:2: +5:2
+    }
+
+    bb10: {
+        return;                          // scope 0 at $DIR/issue_62289.rs:+5:2: +5:2
+    }
+
+    bb11 (cleanup): {
+        drop(_1) -> [return: bb13, unwind terminate]; // scope 0 at $DIR/issue_62289.rs:+4:5: +4:6
+    }
+
+    bb12 (cleanup): {
+        drop(_5) -> [return: bb13, unwind terminate]; // scope 0 at $DIR/issue_62289.rs:+3:23: +3:24
+    }
+
+    bb13 (cleanup): {
+        resume;                          // scope 0 at $DIR/issue_62289.rs:+0:1: +5:2
+    }
+}
diff --git a/tests/mir-opt/issue_62289.test.ElaborateDrops.before.mir b/tests/mir-opt/issue_62289.test.ElaborateDrops.before.panic-unwind.mir
index 8ed9101500e..8ed9101500e 100644
--- a/tests/mir-opt/issue_62289.test.ElaborateDrops.before.mir
+++ b/tests/mir-opt/issue_62289.test.ElaborateDrops.before.panic-unwind.mir
diff --git a/tests/mir-opt/issue_76432.test.SimplifyComparisonIntegral.panic-abort.diff b/tests/mir-opt/issue_76432.test.SimplifyComparisonIntegral.panic-abort.diff
new file mode 100644
index 00000000000..6515aeceed3
--- /dev/null
+++ b/tests/mir-opt/issue_76432.test.SimplifyComparisonIntegral.panic-abort.diff
@@ -0,0 +1,60 @@
+- // MIR for `test` before SimplifyComparisonIntegral
++ // MIR for `test` after SimplifyComparisonIntegral
+  
+  fn test(_1: T) -> () {
+      debug x => _1;                       // in scope 0 at $DIR/issue_76432.rs:+0:38: +0:39
+      let mut _0: ();                      // return place in scope 0 at $DIR/issue_76432.rs:+0:44: +0:44
+      let _2: &[T];                        // in scope 0 at $DIR/issue_76432.rs:+1:9: +1:10
+      let mut _3: &[T; 3];                 // in scope 0 at $DIR/issue_76432.rs:+1:19: +1:29
+      let _4: &[T; 3];                     // in scope 0 at $DIR/issue_76432.rs:+1:19: +1:29
+      let _5: [T; 3];                      // in scope 0 at $DIR/issue_76432.rs:+1:20: +1:29
+      let mut _6: T;                       // in scope 0 at $DIR/issue_76432.rs:+1:21: +1:22
+      let mut _7: T;                       // in scope 0 at $DIR/issue_76432.rs:+1:24: +1:25
+      let mut _8: T;                       // in scope 0 at $DIR/issue_76432.rs:+1:27: +1:28
+      let mut _9: usize;                   // in scope 0 at $DIR/issue_76432.rs:+3:9: +3:33
+      let mut _10: usize;                  // in scope 0 at $DIR/issue_76432.rs:+3:9: +3:33
+      let mut _11: bool;                   // in scope 0 at $DIR/issue_76432.rs:+3:9: +3:33
+      let mut _15: !;                      // in scope 0 at $SRC_DIR/core/src/panic.rs:LL:COL
+      scope 1 {
+          debug v => _2;                   // in scope 1 at $DIR/issue_76432.rs:+1:9: +1:10
+          let _12: &T;                     // in scope 1 at $DIR/issue_76432.rs:+3:10: +3:16
+          let _13: &T;                     // in scope 1 at $DIR/issue_76432.rs:+3:18: +3:24
+          let _14: &T;                     // in scope 1 at $DIR/issue_76432.rs:+3:26: +3:32
+          scope 2 {
+              debug v1 => &(*_2)[0 of 3];  // in scope 2 at $DIR/issue_76432.rs:+3:10: +3:16
+              debug v2 => &(*_2)[1 of 3];  // in scope 2 at $DIR/issue_76432.rs:+3:18: +3:24
+              debug v3 => &(*_2)[2 of 3];  // in scope 2 at $DIR/issue_76432.rs:+3:26: +3:32
+          }
+      }
+  
+      bb0: {
+          StorageLive(_2);                 // scope 0 at $DIR/issue_76432.rs:+1:9: +1:10
+          StorageLive(_5);                 // scope 0 at $DIR/issue_76432.rs:+1:20: +1:29
+          _5 = [_1, _1, _1];               // scope 0 at $DIR/issue_76432.rs:+1:20: +1:29
+          _4 = &_5;                        // scope 0 at $DIR/issue_76432.rs:+1:19: +1:29
+          _2 = _4 as &[T] (Pointer(Unsize)); // scope 0 at $DIR/issue_76432.rs:+1:19: +1:29
+          _9 = Len((*_2));                 // scope 1 at $DIR/issue_76432.rs:+3:9: +3:33
+          _10 = const 3_usize;             // scope 1 at $DIR/issue_76432.rs:+3:9: +3:33
+-         _11 = Eq(move _9, const 3_usize); // scope 1 at $DIR/issue_76432.rs:+3:9: +3:33
+-         switchInt(move _11) -> [0: bb1, otherwise: bb2]; // scope 1 at $DIR/issue_76432.rs:+3:9: +3:33
++         nop;                             // scope 1 at $DIR/issue_76432.rs:+3:9: +3:33
++         switchInt(move _9) -> [3: bb2, otherwise: bb1]; // scope 1 at $DIR/issue_76432.rs:+3:9: +3:33
+      }
+  
+      bb1: {
+          _15 = core::panicking::panic(const "internal error: entered unreachable code") -> unwind unreachable; // scope 1 at $SRC_DIR/core/src/panic.rs:LL:COL
+                                           // mir::Constant
+                                           // + span: $SRC_DIR/core/src/panic.rs:LL:COL
+                                           // + literal: Const { ty: fn(&'static str) -> ! {core::panicking::panic}, val: Value(<ZST>) }
+                                           // mir::Constant
+                                           // + span: $SRC_DIR/core/src/panic.rs:LL:COL
+                                           // + literal: Const { ty: &str, val: Value(Slice(..)) }
+      }
+  
+      bb2: {
+          StorageDead(_5);                 // scope 0 at $DIR/issue_76432.rs:+6:1: +6:2
+          StorageDead(_2);                 // scope 0 at $DIR/issue_76432.rs:+6:1: +6:2
+          return;                          // scope 0 at $DIR/issue_76432.rs:+6:2: +6:2
+      }
+  }
+  
diff --git a/tests/mir-opt/issue_76432.test.SimplifyComparisonIntegral.diff b/tests/mir-opt/issue_76432.test.SimplifyComparisonIntegral.panic-unwind.diff
index 73b9ea46c44..73b9ea46c44 100644
--- a/tests/mir-opt/issue_76432.test.SimplifyComparisonIntegral.diff
+++ b/tests/mir-opt/issue_76432.test.SimplifyComparisonIntegral.panic-unwind.diff
diff --git a/tests/mir-opt/issues/issue_59352.num_to_digit.PreCodegen.after.panic-abort.mir b/tests/mir-opt/issues/issue_59352.num_to_digit.PreCodegen.after.panic-abort.mir
new file mode 100644
index 00000000000..a25d8e27330
--- /dev/null
+++ b/tests/mir-opt/issues/issue_59352.num_to_digit.PreCodegen.after.panic-abort.mir
@@ -0,0 +1,84 @@
+// MIR for `num_to_digit` after PreCodegen
+
+fn num_to_digit(_1: char) -> u32 {
+    debug num => _1;                     // in scope 0 at $DIR/issue_59352.rs:+0:21: +0:24
+    let mut _0: u32;                     // return place in scope 0 at $DIR/issue_59352.rs:+0:35: +0:38
+    let mut _5: std::option::Option<u32>; // in scope 0 at $DIR/issue_59352.rs:+2:26: +2:41
+    scope 1 (inlined char::methods::<impl char>::is_digit) { // at $DIR/issue_59352.rs:15:12: 15:23
+        debug self => _1;                // in scope 1 at $SRC_DIR/core/src/char/methods.rs:LL:COL
+        debug radix => const 8_u32;      // in scope 1 at $SRC_DIR/core/src/char/methods.rs:LL:COL
+        let _2: std::option::Option<u32>; // in scope 1 at $SRC_DIR/core/src/char/methods.rs:LL:COL
+        let mut _3: &std::option::Option<u32>; // in scope 1 at $SRC_DIR/core/src/char/methods.rs:LL:COL
+        scope 2 (inlined Option::<u32>::is_some) { // at $SRC_DIR/core/src/char/methods.rs:LL:COL
+            debug self => _3;            // in scope 2 at $SRC_DIR/core/src/option.rs:LL:COL
+            let mut _4: isize;           // in scope 2 at $SRC_DIR/core/src/option.rs:LL:COL
+        }
+    }
+    scope 3 (inlined #[track_caller] Option::<u32>::unwrap) { // at $DIR/issue_59352.rs:15:42: 15:50
+        debug self => _5;                // in scope 3 at $SRC_DIR/core/src/option.rs:LL:COL
+        let mut _6: isize;               // in scope 3 at $SRC_DIR/core/src/option.rs:LL:COL
+        let mut _7: !;                   // in scope 3 at $SRC_DIR/core/src/option.rs:LL:COL
+        scope 4 {
+            debug val => _0;             // in scope 4 at $SRC_DIR/core/src/option.rs:LL:COL
+        }
+    }
+
+    bb0: {
+        StorageLive(_3);                 // scope 1 at $SRC_DIR/core/src/char/methods.rs:LL:COL
+        StorageLive(_2);                 // scope 1 at $SRC_DIR/core/src/char/methods.rs:LL:COL
+        _2 = char::methods::<impl char>::to_digit(_1, const 8_u32) -> [return: bb1, unwind unreachable]; // scope 1 at $SRC_DIR/core/src/char/methods.rs:LL:COL
+                                         // mir::Constant
+                                         // + span: $SRC_DIR/core/src/char/methods.rs:LL:COL
+                                         // + literal: Const { ty: fn(char, u32) -> Option<u32> {char::methods::<impl char>::to_digit}, val: Value(<ZST>) }
+    }
+
+    bb1: {
+        _3 = &_2;                        // scope 1 at $SRC_DIR/core/src/char/methods.rs:LL:COL
+        _4 = discriminant((*_3));        // scope 2 at $SRC_DIR/core/src/option.rs:LL:COL
+        StorageDead(_3);                 // scope 1 at $SRC_DIR/core/src/char/methods.rs:LL:COL
+        StorageDead(_2);                 // scope 1 at $SRC_DIR/core/src/char/methods.rs:LL:COL
+        switchInt(move _4) -> [1: bb2, otherwise: bb7]; // scope 0 at $DIR/issue_59352.rs:+2:8: +2:23
+    }
+
+    bb2: {
+        StorageLive(_5);                 // scope 0 at $DIR/issue_59352.rs:+2:26: +2:41
+        _5 = char::methods::<impl char>::to_digit(_1, const 8_u32) -> [return: bb3, unwind unreachable]; // scope 0 at $DIR/issue_59352.rs:+2:26: +2:41
+                                         // mir::Constant
+                                         // + span: $DIR/issue_59352.rs:15:30: 15:38
+                                         // + literal: Const { ty: fn(char, u32) -> Option<u32> {char::methods::<impl char>::to_digit}, val: Value(<ZST>) }
+    }
+
+    bb3: {
+        _6 = discriminant(_5);           // scope 3 at $SRC_DIR/core/src/option.rs:LL:COL
+        switchInt(move _6) -> [0: bb4, 1: bb5, otherwise: bb6]; // scope 3 at $SRC_DIR/core/src/option.rs:LL:COL
+    }
+
+    bb4: {
+        _7 = core::panicking::panic(const "called `Option::unwrap()` on a `None` value") -> unwind unreachable; // scope 3 at $SRC_DIR/core/src/option.rs:LL:COL
+                                         // mir::Constant
+                                         // + span: $SRC_DIR/core/src/option.rs:LL:COL
+                                         // + literal: Const { ty: fn(&'static str) -> ! {core::panicking::panic}, val: Value(<ZST>) }
+                                         // mir::Constant
+                                         // + span: $SRC_DIR/core/src/option.rs:LL:COL
+                                         // + literal: Const { ty: &str, val: Value(Slice(..)) }
+    }
+
+    bb5: {
+        _0 = move ((_5 as Some).0: u32); // scope 3 at $SRC_DIR/core/src/option.rs:LL:COL
+        StorageDead(_5);                 // scope 0 at $DIR/issue_59352.rs:+2:49: +2:50
+        goto -> bb8;                     // scope 0 at $DIR/issue_59352.rs:+2:5: +2:63
+    }
+
+    bb6: {
+        unreachable;                     // scope 3 at $SRC_DIR/core/src/option.rs:LL:COL
+    }
+
+    bb7: {
+        _0 = const 0_u32;                // scope 0 at $DIR/issue_59352.rs:+2:60: +2:61
+        goto -> bb8;                     // scope 0 at $DIR/issue_59352.rs:+2:5: +2:63
+    }
+
+    bb8: {
+        return;                          // scope 0 at $DIR/issue_59352.rs:+3:2: +3:2
+    }
+}
diff --git a/tests/mir-opt/issues/issue_59352.num_to_digit.PreCodegen.after.mir b/tests/mir-opt/issues/issue_59352.num_to_digit.PreCodegen.after.panic-unwind.mir
index fac4b8a2d25..fac4b8a2d25 100644
--- a/tests/mir-opt/issues/issue_59352.num_to_digit.PreCodegen.after.mir
+++ b/tests/mir-opt/issues/issue_59352.num_to_digit.PreCodegen.after.panic-unwind.mir
diff --git a/tests/mir-opt/lower_array_len.array_bound.NormalizeArrayLen.panic-abort.diff b/tests/mir-opt/lower_array_len.array_bound.NormalizeArrayLen.panic-abort.diff
new file mode 100644
index 00000000000..8b7f6936186
--- /dev/null
+++ b/tests/mir-opt/lower_array_len.array_bound.NormalizeArrayLen.panic-abort.diff
@@ -0,0 +1,64 @@
+- // MIR for `array_bound` before NormalizeArrayLen
++ // MIR for `array_bound` after NormalizeArrayLen
+  
+  fn array_bound(_1: usize, _2: &[u8; N]) -> u8 {
+      debug index => _1;                   // in scope 0 at $DIR/lower_array_len.rs:+0:36: +0:41
+      debug slice => _2;                   // in scope 0 at $DIR/lower_array_len.rs:+0:50: +0:55
+      let mut _0: u8;                      // return place in scope 0 at $DIR/lower_array_len.rs:+0:70: +0:72
+      let mut _3: bool;                    // in scope 0 at $DIR/lower_array_len.rs:+1:8: +1:27
+      let mut _4: usize;                   // in scope 0 at $DIR/lower_array_len.rs:+1:8: +1:13
+      let mut _5: usize;                   // in scope 0 at $DIR/lower_array_len.rs:+1:16: +1:27
+      let mut _6: &[u8];                   // in scope 0 at $DIR/lower_array_len.rs:+1:16: +1:27
+      let mut _7: &[u8; N];                // in scope 0 at $DIR/lower_array_len.rs:+1:16: +1:27
+      let _8: usize;                       // in scope 0 at $DIR/lower_array_len.rs:+2:15: +2:20
+      let mut _9: usize;                   // in scope 0 at $DIR/lower_array_len.rs:+2:9: +2:21
+      let mut _10: bool;                   // in scope 0 at $DIR/lower_array_len.rs:+2:9: +2:21
+  
+      bb0: {
+          StorageLive(_3);                 // scope 0 at $DIR/lower_array_len.rs:+1:8: +1:27
+          StorageLive(_4);                 // scope 0 at $DIR/lower_array_len.rs:+1:8: +1:13
+          _4 = _1;                         // scope 0 at $DIR/lower_array_len.rs:+1:8: +1:13
+          StorageLive(_5);                 // scope 0 at $DIR/lower_array_len.rs:+1:16: +1:27
+          StorageLive(_6);                 // scope 0 at $DIR/lower_array_len.rs:+1:16: +1:27
+          StorageLive(_7);                 // scope 0 at $DIR/lower_array_len.rs:+1:16: +1:27
+          _7 = &(*_2);                     // scope 0 at $DIR/lower_array_len.rs:+1:16: +1:27
+          _6 = move _7 as &[u8] (Pointer(Unsize)); // scope 0 at $DIR/lower_array_len.rs:+1:16: +1:27
+          StorageDead(_7);                 // scope 0 at $DIR/lower_array_len.rs:+1:20: +1:21
+-         _5 = Len((*_6));                 // scope 0 at $DIR/lower_array_len.rs:+1:16: +1:27
++         _5 = const N;                    // scope 0 at $DIR/lower_array_len.rs:+1:16: +1:27
+          goto -> bb1;                     // scope 0 at $DIR/lower_array_len.rs:+1:16: +1:27
+      }
+  
+      bb1: {
+          StorageDead(_6);                 // scope 0 at $DIR/lower_array_len.rs:+1:26: +1:27
+          _3 = Lt(move _4, move _5);       // scope 0 at $DIR/lower_array_len.rs:+1:8: +1:27
+          StorageDead(_5);                 // scope 0 at $DIR/lower_array_len.rs:+1:26: +1:27
+          StorageDead(_4);                 // scope 0 at $DIR/lower_array_len.rs:+1:26: +1:27
+          switchInt(move _3) -> [0: bb4, otherwise: bb2]; // scope 0 at $DIR/lower_array_len.rs:+1:8: +1:27
+      }
+  
+      bb2: {
+          StorageLive(_8);                 // scope 0 at $DIR/lower_array_len.rs:+2:15: +2:20
+          _8 = _1;                         // scope 0 at $DIR/lower_array_len.rs:+2:15: +2:20
+          _9 = Len((*_2));                 // scope 0 at $DIR/lower_array_len.rs:+2:9: +2:21
+          _10 = Lt(_8, _9);                // scope 0 at $DIR/lower_array_len.rs:+2:9: +2:21
+          assert(move _10, "index out of bounds: the length is {} but the index is {}", move _9, _8) -> [success: bb3, unwind unreachable]; // scope 0 at $DIR/lower_array_len.rs:+2:9: +2:21
+      }
+  
+      bb3: {
+          _0 = (*_2)[_8];                  // scope 0 at $DIR/lower_array_len.rs:+2:9: +2:21
+          StorageDead(_8);                 // scope 0 at $DIR/lower_array_len.rs:+3:5: +3:6
+          goto -> bb5;                     // scope 0 at $DIR/lower_array_len.rs:+1:5: +5:6
+      }
+  
+      bb4: {
+          _0 = const 42_u8;                // scope 0 at $DIR/lower_array_len.rs:+4:9: +4:11
+          goto -> bb5;                     // scope 0 at $DIR/lower_array_len.rs:+1:5: +5:6
+      }
+  
+      bb5: {
+          StorageDead(_3);                 // scope 0 at $DIR/lower_array_len.rs:+5:5: +5:6
+          return;                          // scope 0 at $DIR/lower_array_len.rs:+6:2: +6:2
+      }
+  }
+  
diff --git a/tests/mir-opt/lower_array_len.array_bound.NormalizeArrayLen.diff b/tests/mir-opt/lower_array_len.array_bound.NormalizeArrayLen.panic-unwind.diff
index 59de067f4a4..59de067f4a4 100644
--- a/tests/mir-opt/lower_array_len.array_bound.NormalizeArrayLen.diff
+++ b/tests/mir-opt/lower_array_len.array_bound.NormalizeArrayLen.panic-unwind.diff
diff --git a/tests/mir-opt/lower_array_len.array_bound_mut.NormalizeArrayLen.panic-abort.diff b/tests/mir-opt/lower_array_len.array_bound_mut.NormalizeArrayLen.panic-abort.diff
new file mode 100644
index 00000000000..50903ccb161
--- /dev/null
+++ b/tests/mir-opt/lower_array_len.array_bound_mut.NormalizeArrayLen.panic-abort.diff
@@ -0,0 +1,77 @@
+- // MIR for `array_bound_mut` before NormalizeArrayLen
++ // MIR for `array_bound_mut` after NormalizeArrayLen
+  
+  fn array_bound_mut(_1: usize, _2: &mut [u8; N]) -> u8 {
+      debug index => _1;                   // in scope 0 at $DIR/lower_array_len.rs:+0:40: +0:45
+      debug slice => _2;                   // in scope 0 at $DIR/lower_array_len.rs:+0:54: +0:59
+      let mut _0: u8;                      // return place in scope 0 at $DIR/lower_array_len.rs:+0:78: +0:80
+      let mut _3: bool;                    // in scope 0 at $DIR/lower_array_len.rs:+1:8: +1:27
+      let mut _4: usize;                   // in scope 0 at $DIR/lower_array_len.rs:+1:8: +1:13
+      let mut _5: usize;                   // in scope 0 at $DIR/lower_array_len.rs:+1:16: +1:27
+      let mut _6: &[u8];                   // in scope 0 at $DIR/lower_array_len.rs:+1:16: +1:27
+      let mut _7: &[u8; N];                // in scope 0 at $DIR/lower_array_len.rs:+1:16: +1:27
+      let _8: usize;                       // in scope 0 at $DIR/lower_array_len.rs:+2:15: +2:20
+      let mut _9: usize;                   // in scope 0 at $DIR/lower_array_len.rs:+2:9: +2:21
+      let mut _10: bool;                   // in scope 0 at $DIR/lower_array_len.rs:+2:9: +2:21
+      let _11: usize;                      // in scope 0 at $DIR/lower_array_len.rs:+4:15: +4:16
+      let mut _12: usize;                  // in scope 0 at $DIR/lower_array_len.rs:+4:9: +4:17
+      let mut _13: bool;                   // in scope 0 at $DIR/lower_array_len.rs:+4:9: +4:17
+  
+      bb0: {
+          StorageLive(_3);                 // scope 0 at $DIR/lower_array_len.rs:+1:8: +1:27
+          StorageLive(_4);                 // scope 0 at $DIR/lower_array_len.rs:+1:8: +1:13
+          _4 = _1;                         // scope 0 at $DIR/lower_array_len.rs:+1:8: +1:13
+          StorageLive(_5);                 // scope 0 at $DIR/lower_array_len.rs:+1:16: +1:27
+          StorageLive(_6);                 // scope 0 at $DIR/lower_array_len.rs:+1:16: +1:27
+          StorageLive(_7);                 // scope 0 at $DIR/lower_array_len.rs:+1:16: +1:27
+          _7 = &(*_2);                     // scope 0 at $DIR/lower_array_len.rs:+1:16: +1:27
+          _6 = move _7 as &[u8] (Pointer(Unsize)); // scope 0 at $DIR/lower_array_len.rs:+1:16: +1:27
+          StorageDead(_7);                 // scope 0 at $DIR/lower_array_len.rs:+1:20: +1:21
+-         _5 = Len((*_6));                 // scope 0 at $DIR/lower_array_len.rs:+1:16: +1:27
++         _5 = const N;                    // scope 0 at $DIR/lower_array_len.rs:+1:16: +1:27
+          goto -> bb1;                     // scope 0 at $DIR/lower_array_len.rs:+1:16: +1:27
+      }
+  
+      bb1: {
+          StorageDead(_6);                 // scope 0 at $DIR/lower_array_len.rs:+1:26: +1:27
+          _3 = Lt(move _4, move _5);       // scope 0 at $DIR/lower_array_len.rs:+1:8: +1:27
+          StorageDead(_5);                 // scope 0 at $DIR/lower_array_len.rs:+1:26: +1:27
+          StorageDead(_4);                 // scope 0 at $DIR/lower_array_len.rs:+1:26: +1:27
+          switchInt(move _3) -> [0: bb4, otherwise: bb2]; // scope 0 at $DIR/lower_array_len.rs:+1:8: +1:27
+      }
+  
+      bb2: {
+          StorageLive(_8);                 // scope 0 at $DIR/lower_array_len.rs:+2:15: +2:20
+          _8 = _1;                         // scope 0 at $DIR/lower_array_len.rs:+2:15: +2:20
+          _9 = Len((*_2));                 // scope 0 at $DIR/lower_array_len.rs:+2:9: +2:21
+          _10 = Lt(_8, _9);                // scope 0 at $DIR/lower_array_len.rs:+2:9: +2:21
+          assert(move _10, "index out of bounds: the length is {} but the index is {}", move _9, _8) -> [success: bb3, unwind unreachable]; // scope 0 at $DIR/lower_array_len.rs:+2:9: +2:21
+      }
+  
+      bb3: {
+          _0 = (*_2)[_8];                  // scope 0 at $DIR/lower_array_len.rs:+2:9: +2:21
+          StorageDead(_8);                 // scope 0 at $DIR/lower_array_len.rs:+3:5: +3:6
+          goto -> bb6;                     // scope 0 at $DIR/lower_array_len.rs:+1:5: +7:6
+      }
+  
+      bb4: {
+          StorageLive(_11);                // scope 0 at $DIR/lower_array_len.rs:+4:15: +4:16
+          _11 = const 0_usize;             // scope 0 at $DIR/lower_array_len.rs:+4:15: +4:16
+          _12 = Len((*_2));                // scope 0 at $DIR/lower_array_len.rs:+4:9: +4:17
+          _13 = Lt(_11, _12);              // scope 0 at $DIR/lower_array_len.rs:+4:9: +4:17
+          assert(move _13, "index out of bounds: the length is {} but the index is {}", move _12, _11) -> [success: bb5, unwind unreachable]; // scope 0 at $DIR/lower_array_len.rs:+4:9: +4:17
+      }
+  
+      bb5: {
+          (*_2)[_11] = const 42_u8;        // scope 0 at $DIR/lower_array_len.rs:+4:9: +4:22
+          StorageDead(_11);                // scope 0 at $DIR/lower_array_len.rs:+4:22: +4:23
+          _0 = const 42_u8;                // scope 0 at $DIR/lower_array_len.rs:+6:9: +6:11
+          goto -> bb6;                     // scope 0 at $DIR/lower_array_len.rs:+1:5: +7:6
+      }
+  
+      bb6: {
+          StorageDead(_3);                 // scope 0 at $DIR/lower_array_len.rs:+7:5: +7:6
+          return;                          // scope 0 at $DIR/lower_array_len.rs:+8:2: +8:2
+      }
+  }
+  
diff --git a/tests/mir-opt/lower_array_len.array_bound_mut.NormalizeArrayLen.diff b/tests/mir-opt/lower_array_len.array_bound_mut.NormalizeArrayLen.panic-unwind.diff
index 17574b1b635..17574b1b635 100644
--- a/tests/mir-opt/lower_array_len.array_bound_mut.NormalizeArrayLen.diff
+++ b/tests/mir-opt/lower_array_len.array_bound_mut.NormalizeArrayLen.panic-unwind.diff
diff --git a/tests/mir-opt/lower_array_len.array_len.NormalizeArrayLen.diff b/tests/mir-opt/lower_array_len.array_len.NormalizeArrayLen.panic-abort.diff
index 66feff62f42..66feff62f42 100644
--- a/tests/mir-opt/lower_array_len.array_len.NormalizeArrayLen.diff
+++ b/tests/mir-opt/lower_array_len.array_len.NormalizeArrayLen.panic-abort.diff
diff --git a/tests/mir-opt/lower_array_len.array_len.NormalizeArrayLen.panic-unwind.diff b/tests/mir-opt/lower_array_len.array_len.NormalizeArrayLen.panic-unwind.diff
new file mode 100644
index 00000000000..66feff62f42
--- /dev/null
+++ b/tests/mir-opt/lower_array_len.array_len.NormalizeArrayLen.panic-unwind.diff
@@ -0,0 +1,26 @@
+- // MIR for `array_len` before NormalizeArrayLen
++ // MIR for `array_len` after NormalizeArrayLen
+  
+  fn array_len(_1: &[u8; N]) -> usize {
+      debug arr => _1;                     // in scope 0 at $DIR/lower_array_len.rs:+0:34: +0:37
+      let mut _0: usize;                   // return place in scope 0 at $DIR/lower_array_len.rs:+0:52: +0:57
+      let mut _2: &[u8];                   // in scope 0 at $DIR/lower_array_len.rs:+1:5: +1:14
+      let mut _3: &[u8; N];                // in scope 0 at $DIR/lower_array_len.rs:+1:5: +1:14
+  
+      bb0: {
+          StorageLive(_2);                 // scope 0 at $DIR/lower_array_len.rs:+1:5: +1:14
+          StorageLive(_3);                 // scope 0 at $DIR/lower_array_len.rs:+1:5: +1:14
+          _3 = &(*_1);                     // scope 0 at $DIR/lower_array_len.rs:+1:5: +1:14
+          _2 = move _3 as &[u8] (Pointer(Unsize)); // scope 0 at $DIR/lower_array_len.rs:+1:5: +1:14
+          StorageDead(_3);                 // scope 0 at $DIR/lower_array_len.rs:+1:7: +1:8
+-         _0 = Len((*_2));                 // scope 0 at $DIR/lower_array_len.rs:+1:5: +1:14
++         _0 = const N;                    // scope 0 at $DIR/lower_array_len.rs:+1:5: +1:14
+          goto -> bb1;                     // scope 0 at $DIR/lower_array_len.rs:+1:5: +1:14
+      }
+  
+      bb1: {
+          StorageDead(_2);                 // scope 0 at $DIR/lower_array_len.rs:+1:13: +1:14
+          return;                          // scope 0 at $DIR/lower_array_len.rs:+2:2: +2:2
+      }
+  }
+  
diff --git a/tests/mir-opt/lower_array_len.array_len_by_value.NormalizeArrayLen.diff b/tests/mir-opt/lower_array_len.array_len_by_value.NormalizeArrayLen.panic-abort.diff
index c0a277edc46..c0a277edc46 100644
--- a/tests/mir-opt/lower_array_len.array_len_by_value.NormalizeArrayLen.diff
+++ b/tests/mir-opt/lower_array_len.array_len_by_value.NormalizeArrayLen.panic-abort.diff
diff --git a/tests/mir-opt/lower_array_len.array_len_by_value.NormalizeArrayLen.panic-unwind.diff b/tests/mir-opt/lower_array_len.array_len_by_value.NormalizeArrayLen.panic-unwind.diff
new file mode 100644
index 00000000000..c0a277edc46
--- /dev/null
+++ b/tests/mir-opt/lower_array_len.array_len_by_value.NormalizeArrayLen.panic-unwind.diff
@@ -0,0 +1,26 @@
+- // MIR for `array_len_by_value` before NormalizeArrayLen
++ // MIR for `array_len_by_value` after NormalizeArrayLen
+  
+  fn array_len_by_value(_1: [u8; N]) -> usize {
+      debug arr => _1;                     // in scope 0 at $DIR/lower_array_len.rs:+0:43: +0:46
+      let mut _0: usize;                   // return place in scope 0 at $DIR/lower_array_len.rs:+0:60: +0:65
+      let mut _2: &[u8];                   // in scope 0 at $DIR/lower_array_len.rs:+1:5: +1:14
+      let mut _3: &[u8; N];                // in scope 0 at $DIR/lower_array_len.rs:+1:5: +1:14
+  
+      bb0: {
+          StorageLive(_2);                 // scope 0 at $DIR/lower_array_len.rs:+1:5: +1:14
+          StorageLive(_3);                 // scope 0 at $DIR/lower_array_len.rs:+1:5: +1:14
+          _3 = &_1;                        // scope 0 at $DIR/lower_array_len.rs:+1:5: +1:14
+          _2 = move _3 as &[u8] (Pointer(Unsize)); // scope 0 at $DIR/lower_array_len.rs:+1:5: +1:14
+          StorageDead(_3);                 // scope 0 at $DIR/lower_array_len.rs:+1:7: +1:8
+-         _0 = Len((*_2));                 // scope 0 at $DIR/lower_array_len.rs:+1:5: +1:14
++         _0 = const N;                    // scope 0 at $DIR/lower_array_len.rs:+1:5: +1:14
+          goto -> bb1;                     // scope 0 at $DIR/lower_array_len.rs:+1:5: +1:14
+      }
+  
+      bb1: {
+          StorageDead(_2);                 // scope 0 at $DIR/lower_array_len.rs:+1:13: +1:14
+          return;                          // scope 0 at $DIR/lower_array_len.rs:+2:2: +2:2
+      }
+  }
+  
diff --git a/tests/mir-opt/lower_array_len.array_len_raw.NormalizeArrayLen.diff b/tests/mir-opt/lower_array_len.array_len_raw.NormalizeArrayLen.panic-abort.diff
index 8b35fd57fa0..8b35fd57fa0 100644
--- a/tests/mir-opt/lower_array_len.array_len_raw.NormalizeArrayLen.diff
+++ b/tests/mir-opt/lower_array_len.array_len_raw.NormalizeArrayLen.panic-abort.diff
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
new file mode 100644
index 00000000000..8b35fd57fa0
--- /dev/null
+++ b/tests/mir-opt/lower_array_len.array_len_raw.NormalizeArrayLen.panic-unwind.diff
@@ -0,0 +1,50 @@
+- // MIR for `array_len_raw` before NormalizeArrayLen
++ // MIR for `array_len_raw` after NormalizeArrayLen
+  
+  fn array_len_raw(_1: [u8; N]) -> usize {
+      debug arr => _1;                     // in scope 0 at $DIR/lower_array_len.rs:+0:38: +0:41
+      let mut _0: usize;                   // return place in scope 0 at $DIR/lower_array_len.rs:+0:55: +0:60
+      let _2: &[u8];                       // in scope 0 at $DIR/lower_array_len.rs:+1:9: +1:12
+      let mut _3: &[u8; N];                // in scope 0 at $DIR/lower_array_len.rs:+1:21: +1:25
+      let _4: &[u8; N];                    // in scope 0 at $DIR/lower_array_len.rs:+1:21: +1:25
+      let mut _6: &[u8];                   // in scope 0 at $DIR/lower_array_len.rs:+3:5: +3:27
+      let _7: &[u8];                       // in scope 0 at $DIR/lower_array_len.rs:+3:14: +3:19
+      scope 1 {
+          debug arr => _2;                 // in scope 1 at $DIR/lower_array_len.rs:+1:9: +1:12
+          let _5: *const [u8];             // in scope 1 at $DIR/lower_array_len.rs:+2:9: +2:12
+          scope 2 {
+              debug arr => _5;             // in scope 2 at $DIR/lower_array_len.rs:+2:9: +2:12
+              scope 3 {
+              }
+          }
+      }
+  
+      bb0: {
+          StorageLive(_2);                 // scope 0 at $DIR/lower_array_len.rs:+1:9: +1:12
+          StorageLive(_3);                 // scope 0 at $DIR/lower_array_len.rs:+1:21: +1:25
+          StorageLive(_4);                 // scope 0 at $DIR/lower_array_len.rs:+1:21: +1:25
+          _4 = &_1;                        // scope 0 at $DIR/lower_array_len.rs:+1:21: +1:25
+          _3 = &(*_4);                     // scope 0 at $DIR/lower_array_len.rs:+1:21: +1:25
+          _2 = move _3 as &[u8] (Pointer(Unsize)); // scope 0 at $DIR/lower_array_len.rs:+1:21: +1:25
+          StorageDead(_3);                 // scope 0 at $DIR/lower_array_len.rs:+1:24: +1:25
+          StorageDead(_4);                 // scope 0 at $DIR/lower_array_len.rs:+1:25: +1:26
+          StorageLive(_5);                 // scope 1 at $DIR/lower_array_len.rs:+2:9: +2:12
+          _5 = &raw const (*_2);           // scope 1 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
+          StorageLive(_6);                 // scope 2 at $DIR/lower_array_len.rs:+3:5: +3:27
+          StorageLive(_7);                 // scope 2 at $DIR/lower_array_len.rs:+3:14: +3:19
+          _7 = &(*_5);                     // scope 3 at $DIR/lower_array_len.rs:+3:14: +3:19
+          _6 = &(*_7);                     // scope 2 at $DIR/lower_array_len.rs:+3:5: +3:27
+-         _0 = Len((*_6));                 // scope 2 at $DIR/lower_array_len.rs:+3:5: +3:27
++         _0 = const N;                    // scope 2 at $DIR/lower_array_len.rs:+3:5: +3:27
+          goto -> bb1;                     // scope 2 at $DIR/lower_array_len.rs:+3:5: +3:27
+      }
+  
+      bb1: {
+          StorageDead(_6);                 // scope 2 at $DIR/lower_array_len.rs:+3:26: +3:27
+          StorageDead(_5);                 // scope 1 at $DIR/lower_array_len.rs:+4:1: +4:2
+          StorageDead(_2);                 // scope 0 at $DIR/lower_array_len.rs:+4:1: +4:2
+          StorageDead(_7);                 // scope 0 at $DIR/lower_array_len.rs:+4:1: +4:2
+          return;                          // scope 0 at $DIR/lower_array_len.rs:+4:2: +4:2
+      }
+  }
+  
diff --git a/tests/mir-opt/lower_array_len.array_len_reborrow.NormalizeArrayLen.diff b/tests/mir-opt/lower_array_len.array_len_reborrow.NormalizeArrayLen.panic-abort.diff
index 8bdd2ede6bc..8bdd2ede6bc 100644
--- a/tests/mir-opt/lower_array_len.array_len_reborrow.NormalizeArrayLen.diff
+++ b/tests/mir-opt/lower_array_len.array_len_reborrow.NormalizeArrayLen.panic-abort.diff
diff --git a/tests/mir-opt/lower_array_len.array_len_reborrow.NormalizeArrayLen.panic-unwind.diff b/tests/mir-opt/lower_array_len.array_len_reborrow.NormalizeArrayLen.panic-unwind.diff
new file mode 100644
index 00000000000..8bdd2ede6bc
--- /dev/null
+++ b/tests/mir-opt/lower_array_len.array_len_reborrow.NormalizeArrayLen.panic-unwind.diff
@@ -0,0 +1,44 @@
+- // MIR for `array_len_reborrow` before NormalizeArrayLen
++ // MIR for `array_len_reborrow` after NormalizeArrayLen
+  
+  fn array_len_reborrow(_1: [u8; N]) -> usize {
+      debug arr => _1;                     // in scope 0 at $DIR/lower_array_len.rs:+0:43: +0:50
+      let mut _0: usize;                   // return place in scope 0 at $DIR/lower_array_len.rs:+0:64: +0:69
+      let _2: &mut [u8];                   // in scope 0 at $DIR/lower_array_len.rs:+1:9: +1:12
+      let mut _3: &mut [u8; N];            // in scope 0 at $DIR/lower_array_len.rs:+1:25: +1:33
+      let mut _4: &mut [u8; N];            // in scope 0 at $DIR/lower_array_len.rs:+1:25: +1:33
+      let mut _6: &[u8];                   // in scope 0 at $DIR/lower_array_len.rs:+3:5: +3:14
+      scope 1 {
+          debug arr => _2;                 // in scope 1 at $DIR/lower_array_len.rs:+1:9: +1:12
+          let _5: &[u8];                   // in scope 1 at $DIR/lower_array_len.rs:+2:9: +2:12
+          scope 2 {
+              debug arr => _5;             // in scope 2 at $DIR/lower_array_len.rs:+2:9: +2:12
+          }
+      }
+  
+      bb0: {
+          StorageLive(_2);                 // scope 0 at $DIR/lower_array_len.rs:+1:9: +1:12
+          StorageLive(_3);                 // scope 0 at $DIR/lower_array_len.rs:+1:25: +1:33
+          StorageLive(_4);                 // scope 0 at $DIR/lower_array_len.rs:+1:25: +1:33
+          _4 = &mut _1;                    // scope 0 at $DIR/lower_array_len.rs:+1:25: +1:33
+          _3 = &mut (*_4);                 // scope 0 at $DIR/lower_array_len.rs:+1:25: +1:33
+          _2 = move _3 as &mut [u8] (Pointer(Unsize)); // scope 0 at $DIR/lower_array_len.rs:+1:25: +1:33
+          StorageDead(_3);                 // scope 0 at $DIR/lower_array_len.rs:+1:32: +1:33
+          StorageDead(_4);                 // scope 0 at $DIR/lower_array_len.rs:+1:33: +1:34
+          StorageLive(_5);                 // scope 1 at $DIR/lower_array_len.rs:+2:9: +2:12
+          _5 = &(*_2);                     // scope 1 at $DIR/lower_array_len.rs:+2:15: +2:20
+          StorageLive(_6);                 // scope 2 at $DIR/lower_array_len.rs:+3:5: +3:14
+          _6 = &(*_5);                     // scope 2 at $DIR/lower_array_len.rs:+3:5: +3:14
+-         _0 = Len((*_6));                 // scope 2 at $DIR/lower_array_len.rs:+3:5: +3:14
++         _0 = const N;                    // scope 2 at $DIR/lower_array_len.rs:+3:5: +3:14
+          goto -> bb1;                     // scope 2 at $DIR/lower_array_len.rs:+3:5: +3:14
+      }
+  
+      bb1: {
+          StorageDead(_6);                 // scope 2 at $DIR/lower_array_len.rs:+3:13: +3:14
+          StorageDead(_5);                 // scope 1 at $DIR/lower_array_len.rs:+4:1: +4:2
+          StorageDead(_2);                 // scope 0 at $DIR/lower_array_len.rs:+4:1: +4:2
+          return;                          // scope 0 at $DIR/lower_array_len.rs:+4:2: +4:2
+      }
+  }
+  
diff --git a/tests/mir-opt/lower_intrinsics.align_of.LowerIntrinsics.diff b/tests/mir-opt/lower_intrinsics.align_of.LowerIntrinsics.panic-abort.diff
index 3530f4a807f..3530f4a807f 100644
--- a/tests/mir-opt/lower_intrinsics.align_of.LowerIntrinsics.diff
+++ b/tests/mir-opt/lower_intrinsics.align_of.LowerIntrinsics.panic-abort.diff
diff --git a/tests/mir-opt/lower_intrinsics.align_of.LowerIntrinsics.panic-unwind.diff b/tests/mir-opt/lower_intrinsics.align_of.LowerIntrinsics.panic-unwind.diff
new file mode 100644
index 00000000000..3530f4a807f
--- /dev/null
+++ b/tests/mir-opt/lower_intrinsics.align_of.LowerIntrinsics.panic-unwind.diff
@@ -0,0 +1,20 @@
+- // MIR for `align_of` before LowerIntrinsics
++ // MIR for `align_of` after LowerIntrinsics
+  
+  fn align_of() -> usize {
+      let mut _0: usize;                   // return place in scope 0 at $DIR/lower_intrinsics.rs:+0:25: +0:30
+  
+      bb0: {
+-         _0 = std::intrinsics::min_align_of::<T>() -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/lower_intrinsics.rs:+1:5: +1:42
+-                                          // mir::Constant
+-                                          // + span: $DIR/lower_intrinsics.rs:27:5: 27:40
+-                                          // + literal: Const { ty: extern "rust-intrinsic" fn() -> usize {std::intrinsics::min_align_of::<T>}, val: Value(<ZST>) }
++         _0 = AlignOf(T);                 // scope 0 at $DIR/lower_intrinsics.rs:+1:5: +1:42
++         goto -> bb1;                     // scope 0 at $DIR/lower_intrinsics.rs:+1:5: +1:42
+      }
+  
+      bb1: {
+          return;                          // scope 0 at $DIR/lower_intrinsics.rs:+2:2: +2:2
+      }
+  }
+  
diff --git a/tests/mir-opt/lower_intrinsics.assume.LowerIntrinsics.diff b/tests/mir-opt/lower_intrinsics.assume.LowerIntrinsics.panic-abort.diff
index 158ce62e209..158ce62e209 100644
--- a/tests/mir-opt/lower_intrinsics.assume.LowerIntrinsics.diff
+++ b/tests/mir-opt/lower_intrinsics.assume.LowerIntrinsics.panic-abort.diff
diff --git a/tests/mir-opt/lower_intrinsics.assume.LowerIntrinsics.panic-unwind.diff b/tests/mir-opt/lower_intrinsics.assume.LowerIntrinsics.panic-unwind.diff
new file mode 100644
index 00000000000..158ce62e209
--- /dev/null
+++ b/tests/mir-opt/lower_intrinsics.assume.LowerIntrinsics.panic-unwind.diff
@@ -0,0 +1,26 @@
+- // MIR for `assume` before LowerIntrinsics
++ // MIR for `assume` after LowerIntrinsics
+  
+  fn assume() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/lower_intrinsics.rs:+0:17: +0:17
+      let _1: ();                          // in scope 0 at $DIR/lower_intrinsics.rs:+2:9: +2:38
+      scope 1 {
+      }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 1 at $DIR/lower_intrinsics.rs:+2:9: +2:38
+-         _1 = std::intrinsics::assume(const true) -> [return: bb1, unwind unreachable]; // scope 1 at $DIR/lower_intrinsics.rs:+2:9: +2:38
+-                                          // mir::Constant
+-                                          // + span: $DIR/lower_intrinsics.rs:112:9: 112:32
+-                                          // + literal: Const { ty: unsafe extern "rust-intrinsic" fn(bool) {std::intrinsics::assume}, val: Value(<ZST>) }
++         assume(const true);              // scope 1 at $DIR/lower_intrinsics.rs:+2:9: +2:38
++         goto -> bb1;                     // scope 1 at $DIR/lower_intrinsics.rs:+2:9: +2:38
+      }
+  
+      bb1: {
+          StorageDead(_1);                 // scope 1 at $DIR/lower_intrinsics.rs:+2:38: +2:39
+          _0 = const ();                   // scope 1 at $DIR/lower_intrinsics.rs:+1:5: +3:6
+          return;                          // scope 0 at $DIR/lower_intrinsics.rs:+4:2: +4:2
+      }
+  }
+  
diff --git a/tests/mir-opt/lower_intrinsics.discriminant.LowerIntrinsics.panic-abort.diff b/tests/mir-opt/lower_intrinsics.discriminant.LowerIntrinsics.panic-abort.diff
new file mode 100644
index 00000000000..63f5b80e276
--- /dev/null
+++ b/tests/mir-opt/lower_intrinsics.discriminant.LowerIntrinsics.panic-abort.diff
@@ -0,0 +1,115 @@
+- // MIR for `discriminant` before LowerIntrinsics
++ // MIR for `discriminant` after LowerIntrinsics
+  
+  fn discriminant(_1: T) -> () {
+      debug t => _1;                       // in scope 0 at $DIR/lower_intrinsics.rs:+0:24: +0:25
+      let mut _0: ();                      // return place in scope 0 at $DIR/lower_intrinsics.rs:+0:30: +0:30
+      let _2: <T as std::marker::DiscriminantKind>::Discriminant; // in scope 0 at $DIR/lower_intrinsics.rs:+1:5: +1:45
+      let mut _3: &T;                      // in scope 0 at $DIR/lower_intrinsics.rs:+1:42: +1:44
+      let _4: &T;                          // in scope 0 at $DIR/lower_intrinsics.rs:+1:42: +1:44
+      let _5: u8;                          // in scope 0 at $DIR/lower_intrinsics.rs:+2:5: +2:45
+      let mut _6: &i32;                    // in scope 0 at $DIR/lower_intrinsics.rs:+2:42: +2:44
+      let _7: &i32;                        // in scope 0 at $DIR/lower_intrinsics.rs:+2:42: +2:44
+      let _8: i32;                         // in scope 0 at $DIR/lower_intrinsics.rs:+2:43: +2:44
+      let _9: u8;                          // in scope 0 at $DIR/lower_intrinsics.rs:+3:5: +3:46
+      let mut _10: &();                    // in scope 0 at $DIR/lower_intrinsics.rs:+3:42: +3:45
+      let _11: &();                        // in scope 0 at $DIR/lower_intrinsics.rs:+3:42: +3:45
+      let _12: ();                         // in scope 0 at $DIR/lower_intrinsics.rs:+3:43: +3:45
+      let _13: isize;                      // in scope 0 at $DIR/lower_intrinsics.rs:+4:5: +4:48
+      let mut _14: &E;                     // in scope 0 at $DIR/lower_intrinsics.rs:+4:42: +4:47
+      let _15: &E;                         // in scope 0 at $DIR/lower_intrinsics.rs:+4:42: +4:47
+      let _16: E;                          // in scope 0 at $DIR/lower_intrinsics.rs:+4:43: +4:47
+      let mut _17: &E;                     // in scope 0 at $DIR/lower_intrinsics.rs:+4:42: +4:47
+      let mut _18: &();                    // in scope 0 at $DIR/lower_intrinsics.rs:+3:42: +3:45
+      let mut _19: &i32;                   // in scope 0 at $DIR/lower_intrinsics.rs:+2:42: +2:44
+  
+      bb0: {
+          StorageLive(_2);                 // scope 0 at $DIR/lower_intrinsics.rs:+1:5: +1:45
+          StorageLive(_3);                 // scope 0 at $DIR/lower_intrinsics.rs:+1:42: +1:44
+          StorageLive(_4);                 // scope 0 at $DIR/lower_intrinsics.rs:+1:42: +1:44
+          _4 = &_1;                        // scope 0 at $DIR/lower_intrinsics.rs:+1:42: +1:44
+          _3 = &(*_4);                     // scope 0 at $DIR/lower_intrinsics.rs:+1:42: +1:44
+-         _2 = discriminant_value::<T>(move _3) -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/lower_intrinsics.rs:+1:5: +1:45
+-                                          // mir::Constant
+-                                          // + span: $DIR/lower_intrinsics.rs:88:5: 88:41
+-                                          // + literal: Const { ty: for<'a> extern "rust-intrinsic" fn(&'a T) -> <T as DiscriminantKind>::Discriminant {discriminant_value::<T>}, val: Value(<ZST>) }
++         _2 = discriminant((*_3));        // scope 0 at $DIR/lower_intrinsics.rs:+1:5: +1:45
++         goto -> bb1;                     // scope 0 at $DIR/lower_intrinsics.rs:+1:5: +1:45
+      }
+  
+      bb1: {
+          StorageDead(_3);                 // scope 0 at $DIR/lower_intrinsics.rs:+1:44: +1:45
+          StorageDead(_4);                 // scope 0 at $DIR/lower_intrinsics.rs:+1:45: +1:46
+          StorageDead(_2);                 // scope 0 at $DIR/lower_intrinsics.rs:+1:45: +1:46
+          StorageLive(_5);                 // scope 0 at $DIR/lower_intrinsics.rs:+2:5: +2:45
+          StorageLive(_6);                 // scope 0 at $DIR/lower_intrinsics.rs:+2:42: +2:44
+          StorageLive(_7);                 // scope 0 at $DIR/lower_intrinsics.rs:+2:42: +2:44
+          _19 = const _;                   // scope 0 at $DIR/lower_intrinsics.rs:+2:42: +2:44
+                                           // mir::Constant
+                                           // + span: $DIR/lower_intrinsics.rs:89:42: 89:44
+                                           // + literal: Const { ty: &i32, val: Unevaluated(discriminant, [T], Some(promoted[2])) }
+          _7 = &(*_19);                    // scope 0 at $DIR/lower_intrinsics.rs:+2:42: +2:44
+          _6 = &(*_7);                     // scope 0 at $DIR/lower_intrinsics.rs:+2:42: +2:44
+-         _5 = discriminant_value::<i32>(move _6) -> [return: bb2, unwind unreachable]; // scope 0 at $DIR/lower_intrinsics.rs:+2:5: +2:45
+-                                          // mir::Constant
+-                                          // + span: $DIR/lower_intrinsics.rs:89:5: 89:41
+-                                          // + literal: Const { ty: for<'a> extern "rust-intrinsic" fn(&'a i32) -> <i32 as DiscriminantKind>::Discriminant {discriminant_value::<i32>}, val: Value(<ZST>) }
++         _5 = discriminant((*_6));        // scope 0 at $DIR/lower_intrinsics.rs:+2:5: +2:45
++         goto -> bb2;                     // scope 0 at $DIR/lower_intrinsics.rs:+2:5: +2:45
+      }
+  
+      bb2: {
+          StorageDead(_6);                 // scope 0 at $DIR/lower_intrinsics.rs:+2:44: +2:45
+          StorageDead(_7);                 // scope 0 at $DIR/lower_intrinsics.rs:+2:45: +2:46
+          StorageDead(_5);                 // scope 0 at $DIR/lower_intrinsics.rs:+2:45: +2:46
+          StorageLive(_9);                 // scope 0 at $DIR/lower_intrinsics.rs:+3:5: +3:46
+          StorageLive(_10);                // scope 0 at $DIR/lower_intrinsics.rs:+3:42: +3:45
+          StorageLive(_11);                // scope 0 at $DIR/lower_intrinsics.rs:+3:42: +3:45
+          _18 = const _;                   // scope 0 at $DIR/lower_intrinsics.rs:+3:42: +3:45
+                                           // mir::Constant
+                                           // + span: $DIR/lower_intrinsics.rs:90:42: 90:45
+                                           // + literal: Const { ty: &(), val: Unevaluated(discriminant, [T], Some(promoted[1])) }
+          _11 = &(*_18);                   // scope 0 at $DIR/lower_intrinsics.rs:+3:42: +3:45
+          _10 = &(*_11);                   // scope 0 at $DIR/lower_intrinsics.rs:+3:42: +3:45
+-         _9 = discriminant_value::<()>(move _10) -> [return: bb3, unwind unreachable]; // scope 0 at $DIR/lower_intrinsics.rs:+3:5: +3:46
+-                                          // mir::Constant
+-                                          // + span: $DIR/lower_intrinsics.rs:90:5: 90:41
+-                                          // + literal: Const { ty: for<'a> extern "rust-intrinsic" fn(&'a ()) -> <() as DiscriminantKind>::Discriminant {discriminant_value::<()>}, val: Value(<ZST>) }
++         _9 = discriminant((*_10));       // scope 0 at $DIR/lower_intrinsics.rs:+3:5: +3:46
++         goto -> bb3;                     // scope 0 at $DIR/lower_intrinsics.rs:+3:5: +3:46
+      }
+  
+      bb3: {
+          StorageDead(_10);                // scope 0 at $DIR/lower_intrinsics.rs:+3:45: +3:46
+          StorageDead(_11);                // scope 0 at $DIR/lower_intrinsics.rs:+3:46: +3:47
+          StorageDead(_9);                 // scope 0 at $DIR/lower_intrinsics.rs:+3:46: +3:47
+          StorageLive(_13);                // scope 0 at $DIR/lower_intrinsics.rs:+4:5: +4:48
+          StorageLive(_14);                // scope 0 at $DIR/lower_intrinsics.rs:+4:42: +4:47
+          StorageLive(_15);                // scope 0 at $DIR/lower_intrinsics.rs:+4:42: +4:47
+          _17 = const _;                   // scope 0 at $DIR/lower_intrinsics.rs:+4:42: +4:47
+                                           // mir::Constant
+                                           // + span: $DIR/lower_intrinsics.rs:91:42: 91:47
+                                           // + literal: Const { ty: &E, val: Unevaluated(discriminant, [T], Some(promoted[0])) }
+          _15 = &(*_17);                   // scope 0 at $DIR/lower_intrinsics.rs:+4:42: +4:47
+          _14 = &(*_15);                   // scope 0 at $DIR/lower_intrinsics.rs:+4:42: +4:47
+-         _13 = discriminant_value::<E>(move _14) -> [return: bb4, unwind unreachable]; // scope 0 at $DIR/lower_intrinsics.rs:+4:5: +4:48
+-                                          // mir::Constant
+-                                          // + span: $DIR/lower_intrinsics.rs:91:5: 91:41
+-                                          // + literal: Const { ty: for<'a> extern "rust-intrinsic" fn(&'a E) -> <E as DiscriminantKind>::Discriminant {discriminant_value::<E>}, val: Value(<ZST>) }
++         _13 = discriminant((*_14));      // scope 0 at $DIR/lower_intrinsics.rs:+4:5: +4:48
++         goto -> bb4;                     // scope 0 at $DIR/lower_intrinsics.rs:+4:5: +4:48
+      }
+  
+      bb4: {
+          StorageDead(_14);                // scope 0 at $DIR/lower_intrinsics.rs:+4:47: +4:48
+          StorageDead(_15);                // scope 0 at $DIR/lower_intrinsics.rs:+4:48: +4:49
+          StorageDead(_13);                // scope 0 at $DIR/lower_intrinsics.rs:+4:48: +4:49
+          _0 = const ();                   // scope 0 at $DIR/lower_intrinsics.rs:+0:30: +5:2
+          drop(_1) -> [return: bb5, unwind unreachable]; // scope 0 at $DIR/lower_intrinsics.rs:+5:1: +5:2
+      }
+  
+      bb5: {
+          return;                          // scope 0 at $DIR/lower_intrinsics.rs:+5:2: +5:2
+      }
+  }
+  
diff --git a/tests/mir-opt/lower_intrinsics.discriminant.LowerIntrinsics.diff b/tests/mir-opt/lower_intrinsics.discriminant.LowerIntrinsics.panic-unwind.diff
index 6fc9616d855..6fc9616d855 100644
--- a/tests/mir-opt/lower_intrinsics.discriminant.LowerIntrinsics.diff
+++ b/tests/mir-opt/lower_intrinsics.discriminant.LowerIntrinsics.panic-unwind.diff
diff --git a/tests/mir-opt/lower_intrinsics.f_copy_nonoverlapping.LowerIntrinsics.diff b/tests/mir-opt/lower_intrinsics.f_copy_nonoverlapping.LowerIntrinsics.panic-abort.diff
index 5b870ccf5ee..5b870ccf5ee 100644
--- a/tests/mir-opt/lower_intrinsics.f_copy_nonoverlapping.LowerIntrinsics.diff
+++ b/tests/mir-opt/lower_intrinsics.f_copy_nonoverlapping.LowerIntrinsics.panic-abort.diff
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
new file mode 100644
index 00000000000..5b870ccf5ee
--- /dev/null
+++ b/tests/mir-opt/lower_intrinsics.f_copy_nonoverlapping.LowerIntrinsics.panic-unwind.diff
@@ -0,0 +1,72 @@
+- // MIR for `f_copy_nonoverlapping` before LowerIntrinsics
++ // MIR for `f_copy_nonoverlapping` after LowerIntrinsics
+  
+  fn f_copy_nonoverlapping() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/lower_intrinsics.rs:+0:32: +0:32
+      let _1: ();                          // in scope 0 at $DIR/lower_intrinsics.rs:+1:9: +1:12
+      let _3: ();                          // in scope 0 at $DIR/lower_intrinsics.rs:+4:9: +4:95
+      let mut _4: *const i32;              // in scope 0 at $DIR/lower_intrinsics.rs:+4:29: +4:59
+      let mut _5: *const ();               // in scope 0 at $DIR/lower_intrinsics.rs:+4:29: +4:45
+      let mut _6: *const ();               // in scope 0 at $DIR/lower_intrinsics.rs:+4:29: +4:45
+      let _7: &();                         // in scope 0 at $DIR/lower_intrinsics.rs:+4:29: +4:33
+      let mut _8: *mut i32;                // in scope 0 at $DIR/lower_intrinsics.rs:+4:61: +4:91
+      let mut _9: *mut ();                 // in scope 0 at $DIR/lower_intrinsics.rs:+4:61: +4:79
+      let mut _10: *mut ();                // in scope 0 at $DIR/lower_intrinsics.rs:+4:61: +4:79
+      let mut _11: &mut ();                // in scope 0 at $DIR/lower_intrinsics.rs:+4:61: +4:69
+      scope 1 {
+          debug src => _1;                 // in scope 1 at $DIR/lower_intrinsics.rs:+1:9: +1:12
+          let mut _2: ();                  // in scope 1 at $DIR/lower_intrinsics.rs:+2:9: +2:16
+          scope 2 {
+              debug dst => _2;             // in scope 2 at $DIR/lower_intrinsics.rs:+2:9: +2:16
+              scope 3 {
+              }
+          }
+      }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/lower_intrinsics.rs:+1:9: +1:12
+          _1 = ();                         // scope 0 at $DIR/lower_intrinsics.rs:+1:15: +1:17
+          StorageLive(_2);                 // scope 1 at $DIR/lower_intrinsics.rs:+2:9: +2:16
+          _2 = ();                         // scope 1 at $DIR/lower_intrinsics.rs:+2:19: +2:21
+          StorageLive(_3);                 // scope 3 at $DIR/lower_intrinsics.rs:+4:9: +4:95
+          StorageLive(_4);                 // scope 3 at $DIR/lower_intrinsics.rs:+4:29: +4:59
+          StorageLive(_5);                 // scope 3 at $DIR/lower_intrinsics.rs:+4:29: +4:45
+          StorageLive(_6);                 // scope 3 at $DIR/lower_intrinsics.rs:+4:29: +4:45
+          StorageLive(_7);                 // scope 3 at $DIR/lower_intrinsics.rs:+4:29: +4:33
+          _7 = &_1;                        // scope 3 at $DIR/lower_intrinsics.rs:+4:29: +4:33
+          _6 = &raw const (*_7);           // scope 3 at $DIR/lower_intrinsics.rs:+4:29: +4:33
+          _5 = _6;                         // scope 3 at $DIR/lower_intrinsics.rs:+4:29: +4:45
+          _4 = move _5 as *const i32 (PtrToPtr); // scope 3 at $DIR/lower_intrinsics.rs:+4:29: +4:59
+          StorageDead(_5);                 // scope 3 at $DIR/lower_intrinsics.rs:+4:58: +4:59
+          StorageLive(_8);                 // scope 3 at $DIR/lower_intrinsics.rs:+4:61: +4:91
+          StorageLive(_9);                 // scope 3 at $DIR/lower_intrinsics.rs:+4:61: +4:79
+          StorageLive(_10);                // scope 3 at $DIR/lower_intrinsics.rs:+4:61: +4:79
+          StorageLive(_11);                // scope 3 at $DIR/lower_intrinsics.rs:+4:61: +4:69
+          _11 = &mut _2;                   // scope 3 at $DIR/lower_intrinsics.rs:+4:61: +4:69
+          _10 = &raw mut (*_11);           // scope 3 at $DIR/lower_intrinsics.rs:+4:61: +4:69
+          _9 = _10;                        // scope 3 at $DIR/lower_intrinsics.rs:+4:61: +4:79
+          _8 = move _9 as *mut i32 (PtrToPtr); // scope 3 at $DIR/lower_intrinsics.rs:+4:61: +4:91
+          StorageDead(_9);                 // scope 3 at $DIR/lower_intrinsics.rs:+4:90: +4:91
+-         _3 = copy_nonoverlapping::<i32>(move _4, move _8, const 0_usize) -> [return: bb1, unwind unreachable]; // scope 3 at $DIR/lower_intrinsics.rs:+4:9: +4:95
+-                                          // mir::Constant
+-                                          // + span: $DIR/lower_intrinsics.rs:105:9: 105:28
+-                                          // + literal: Const { ty: unsafe extern "rust-intrinsic" fn(*const i32, *mut i32, usize) {copy_nonoverlapping::<i32>}, val: Value(<ZST>) }
++         copy_nonoverlapping(dst = move _8, src = move _4, count = const 0_usize); // scope 3 at $DIR/lower_intrinsics.rs:+4:9: +4:95
++         goto -> bb1;                     // scope 3 at $DIR/lower_intrinsics.rs:+4:9: +4:95
+      }
+  
+      bb1: {
+          StorageDead(_8);                 // scope 3 at $DIR/lower_intrinsics.rs:+4:94: +4:95
+          StorageDead(_4);                 // scope 3 at $DIR/lower_intrinsics.rs:+4:94: +4:95
+          StorageDead(_11);                // scope 3 at $DIR/lower_intrinsics.rs:+4:95: +4:96
+          StorageDead(_10);                // scope 3 at $DIR/lower_intrinsics.rs:+4:95: +4:96
+          StorageDead(_7);                 // scope 3 at $DIR/lower_intrinsics.rs:+4:95: +4:96
+          StorageDead(_6);                 // scope 3 at $DIR/lower_intrinsics.rs:+4:95: +4:96
+          StorageDead(_3);                 // scope 3 at $DIR/lower_intrinsics.rs:+4:95: +4:96
+          _0 = const ();                   // scope 3 at $DIR/lower_intrinsics.rs:+3:5: +5:6
+          StorageDead(_2);                 // scope 1 at $DIR/lower_intrinsics.rs:+6:1: +6:2
+          StorageDead(_1);                 // scope 0 at $DIR/lower_intrinsics.rs:+6:1: +6:2
+          return;                          // scope 0 at $DIR/lower_intrinsics.rs:+6:2: +6:2
+      }
+  }
+  
diff --git a/tests/mir-opt/lower_intrinsics.forget.LowerIntrinsics.diff b/tests/mir-opt/lower_intrinsics.forget.LowerIntrinsics.panic-abort.diff
index 582a79f48d8..582a79f48d8 100644
--- a/tests/mir-opt/lower_intrinsics.forget.LowerIntrinsics.diff
+++ b/tests/mir-opt/lower_intrinsics.forget.LowerIntrinsics.panic-abort.diff
diff --git a/tests/mir-opt/lower_intrinsics.forget.LowerIntrinsics.panic-unwind.diff b/tests/mir-opt/lower_intrinsics.forget.LowerIntrinsics.panic-unwind.diff
new file mode 100644
index 00000000000..582a79f48d8
--- /dev/null
+++ b/tests/mir-opt/lower_intrinsics.forget.LowerIntrinsics.panic-unwind.diff
@@ -0,0 +1,29 @@
+- // MIR for `forget` before LowerIntrinsics
++ // MIR for `forget` after LowerIntrinsics
+  
+  fn forget(_1: T) -> () {
+      debug t => _1;                       // in scope 0 at $DIR/lower_intrinsics.rs:+0:18: +0:19
+      let mut _0: ();                      // return place in scope 0 at $DIR/lower_intrinsics.rs:+0:24: +0:24
+      let mut _2: T;                       // in scope 0 at $DIR/lower_intrinsics.rs:+1:30: +1:31
+  
+      bb0: {
+          StorageLive(_2);                 // scope 0 at $DIR/lower_intrinsics.rs:+1:30: +1:31
+          _2 = move _1;                    // scope 0 at $DIR/lower_intrinsics.rs:+1:30: +1:31
+-         _0 = std::intrinsics::forget::<T>(move _2) -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/lower_intrinsics.rs:+1:5: +1:32
+-                                          // mir::Constant
+-                                          // + span: $DIR/lower_intrinsics.rs:32:5: 32:29
+-                                          // + literal: Const { ty: extern "rust-intrinsic" fn(T) {std::intrinsics::forget::<T>}, val: Value(<ZST>) }
++         _0 = const ();                   // scope 0 at $DIR/lower_intrinsics.rs:+1:5: +1:32
++         goto -> bb1;                     // scope 0 at $DIR/lower_intrinsics.rs:+1:5: +1:32
+      }
+  
+      bb1: {
+          StorageDead(_2);                 // scope 0 at $DIR/lower_intrinsics.rs:+1:31: +1:32
+          goto -> bb2;                     // scope 0 at $DIR/lower_intrinsics.rs:+2:1: +2:2
+      }
+  
+      bb2: {
+          return;                          // scope 0 at $DIR/lower_intrinsics.rs:+2:2: +2:2
+      }
+  }
+  
diff --git a/tests/mir-opt/lower_intrinsics.non_const.LowerIntrinsics.diff b/tests/mir-opt/lower_intrinsics.non_const.LowerIntrinsics.panic-abort.diff
index 81ad97077b4..81ad97077b4 100644
--- a/tests/mir-opt/lower_intrinsics.non_const.LowerIntrinsics.diff
+++ b/tests/mir-opt/lower_intrinsics.non_const.LowerIntrinsics.panic-abort.diff
diff --git a/tests/mir-opt/lower_intrinsics.non_const.LowerIntrinsics.panic-unwind.diff b/tests/mir-opt/lower_intrinsics.non_const.LowerIntrinsics.panic-unwind.diff
new file mode 100644
index 00000000000..81ad97077b4
--- /dev/null
+++ b/tests/mir-opt/lower_intrinsics.non_const.LowerIntrinsics.panic-unwind.diff
@@ -0,0 +1,31 @@
+- // MIR for `non_const` before LowerIntrinsics
++ // MIR for `non_const` after LowerIntrinsics
+  
+  fn non_const() -> usize {
+      let mut _0: usize;                   // return place in scope 0 at $DIR/lower_intrinsics.rs:+0:26: +0:31
+      let _1: extern "rust-intrinsic" fn() -> usize {std::intrinsics::size_of::<T>}; // in scope 0 at $DIR/lower_intrinsics.rs:+2:9: +2:18
+      let mut _2: extern "rust-intrinsic" fn() -> usize {std::intrinsics::size_of::<T>}; // in scope 0 at $DIR/lower_intrinsics.rs:+3:5: +3:14
+      scope 1 {
+          debug size_of_t => _1;           // in scope 1 at $DIR/lower_intrinsics.rs:+2:9: +2:18
+      }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/lower_intrinsics.rs:+2:9: +2:18
+          _1 = std::intrinsics::size_of::<T>; // scope 0 at $DIR/lower_intrinsics.rs:+2:21: +2:51
+                                           // mir::Constant
+                                           // + span: $DIR/lower_intrinsics.rs:43:21: 43:51
+                                           // + literal: Const { ty: extern "rust-intrinsic" fn() -> usize {std::intrinsics::size_of::<T>}, val: Value(<ZST>) }
+          StorageLive(_2);                 // scope 1 at $DIR/lower_intrinsics.rs:+3:5: +3:14
+          _2 = _1;                         // scope 1 at $DIR/lower_intrinsics.rs:+3:5: +3:14
+-         _0 = move _2() -> [return: bb1, unwind unreachable]; // scope 1 at $DIR/lower_intrinsics.rs:+3:5: +3:16
++         _0 = SizeOf(T);                  // scope 1 at $DIR/lower_intrinsics.rs:+3:5: +3:16
++         goto -> bb1;                     // scope 1 at $DIR/lower_intrinsics.rs:+3:5: +3:16
+      }
+  
+      bb1: {
+          StorageDead(_2);                 // scope 1 at $DIR/lower_intrinsics.rs:+3:15: +3:16
+          StorageDead(_1);                 // scope 0 at $DIR/lower_intrinsics.rs:+4:1: +4:2
+          return;                          // scope 0 at $DIR/lower_intrinsics.rs:+4:2: +4:2
+      }
+  }
+  
diff --git a/tests/mir-opt/lower_intrinsics.option_payload.LowerIntrinsics.diff b/tests/mir-opt/lower_intrinsics.option_payload.LowerIntrinsics.panic-abort.diff
index edc66e2c75c..edc66e2c75c 100644
--- a/tests/mir-opt/lower_intrinsics.option_payload.LowerIntrinsics.diff
+++ b/tests/mir-opt/lower_intrinsics.option_payload.LowerIntrinsics.panic-abort.diff
diff --git a/tests/mir-opt/lower_intrinsics.option_payload.LowerIntrinsics.panic-unwind.diff b/tests/mir-opt/lower_intrinsics.option_payload.LowerIntrinsics.panic-unwind.diff
new file mode 100644
index 00000000000..edc66e2c75c
--- /dev/null
+++ b/tests/mir-opt/lower_intrinsics.option_payload.LowerIntrinsics.panic-unwind.diff
@@ -0,0 +1,54 @@
+- // MIR for `option_payload` before LowerIntrinsics
++ // MIR for `option_payload` after LowerIntrinsics
+  
+  fn option_payload(_1: &Option<usize>, _2: &Option<String>) -> () {
+      debug o => _1;                       // in scope 0 at $DIR/lower_intrinsics.rs:+0:23: +0:24
+      debug p => _2;                       // in scope 0 at $DIR/lower_intrinsics.rs:+0:42: +0:43
+      let mut _0: ();                      // return place in scope 0 at $DIR/lower_intrinsics.rs:+0:62: +0:62
+      let mut _4: *const std::option::Option<usize>; // in scope 0 at $DIR/lower_intrinsics.rs:+2:55: +2:56
+      let mut _6: *const std::option::Option<std::string::String>; // in scope 0 at $DIR/lower_intrinsics.rs:+3:55: +3:56
+      scope 1 {
+          let _3: *const usize;            // in scope 1 at $DIR/lower_intrinsics.rs:+2:13: +2:15
+          scope 2 {
+              debug _x => _3;              // in scope 2 at $DIR/lower_intrinsics.rs:+2:13: +2:15
+              let _5: *const std::string::String; // in scope 2 at $DIR/lower_intrinsics.rs:+3:13: +3:15
+              scope 3 {
+                  debug _y => _5;          // in scope 3 at $DIR/lower_intrinsics.rs:+3:13: +3:15
+              }
+          }
+      }
+  
+      bb0: {
+          StorageLive(_3);                 // scope 1 at $DIR/lower_intrinsics.rs:+2:13: +2:15
+          StorageLive(_4);                 // scope 1 at $DIR/lower_intrinsics.rs:+2:55: +2:56
+          _4 = &raw const (*_1);           // scope 1 at $DIR/lower_intrinsics.rs:+2:55: +2:56
+-         _3 = option_payload_ptr::<usize>(move _4) -> [return: bb1, unwind unreachable]; // scope 1 at $DIR/lower_intrinsics.rs:+2:18: +2:57
+-                                          // mir::Constant
+-                                          // + span: $DIR/lower_intrinsics.rs:143:18: 143:54
+-                                          // + literal: Const { ty: unsafe extern "rust-intrinsic" fn(*const Option<usize>) -> *const usize {option_payload_ptr::<usize>}, val: Value(<ZST>) }
++         _3 = &raw const (((*_4) as Some).0: usize); // scope 1 at $DIR/lower_intrinsics.rs:+2:18: +2:57
++         goto -> bb1;                     // scope 1 at $DIR/lower_intrinsics.rs:+2:18: +2:57
+      }
+  
+      bb1: {
+          StorageDead(_4);                 // scope 1 at $DIR/lower_intrinsics.rs:+2:56: +2:57
+          StorageLive(_5);                 // scope 2 at $DIR/lower_intrinsics.rs:+3:13: +3:15
+          StorageLive(_6);                 // scope 2 at $DIR/lower_intrinsics.rs:+3:55: +3:56
+          _6 = &raw const (*_2);           // scope 2 at $DIR/lower_intrinsics.rs:+3:55: +3:56
+-         _5 = option_payload_ptr::<String>(move _6) -> [return: bb2, unwind unreachable]; // scope 2 at $DIR/lower_intrinsics.rs:+3:18: +3:57
+-                                          // mir::Constant
+-                                          // + span: $DIR/lower_intrinsics.rs:144:18: 144:54
+-                                          // + literal: Const { ty: unsafe extern "rust-intrinsic" fn(*const Option<String>) -> *const String {option_payload_ptr::<String>}, val: Value(<ZST>) }
++         _5 = &raw const (((*_6) as Some).0: std::string::String); // scope 2 at $DIR/lower_intrinsics.rs:+3:18: +3:57
++         goto -> bb2;                     // scope 2 at $DIR/lower_intrinsics.rs:+3:18: +3:57
+      }
+  
+      bb2: {
+          StorageDead(_6);                 // scope 2 at $DIR/lower_intrinsics.rs:+3:56: +3:57
+          _0 = const ();                   // scope 1 at $DIR/lower_intrinsics.rs:+1:5: +4:6
+          StorageDead(_5);                 // scope 2 at $DIR/lower_intrinsics.rs:+4:5: +4:6
+          StorageDead(_3);                 // scope 1 at $DIR/lower_intrinsics.rs:+4:5: +4:6
+          return;                          // scope 0 at $DIR/lower_intrinsics.rs:+5:2: +5:2
+      }
+  }
+  
diff --git a/tests/mir-opt/lower_intrinsics.ptr_offset.LowerIntrinsics.diff b/tests/mir-opt/lower_intrinsics.ptr_offset.LowerIntrinsics.panic-abort.diff
index 1760efe77d9..1760efe77d9 100644
--- a/tests/mir-opt/lower_intrinsics.ptr_offset.LowerIntrinsics.diff
+++ b/tests/mir-opt/lower_intrinsics.ptr_offset.LowerIntrinsics.panic-abort.diff
diff --git a/tests/mir-opt/lower_intrinsics.ptr_offset.LowerIntrinsics.panic-unwind.diff b/tests/mir-opt/lower_intrinsics.ptr_offset.LowerIntrinsics.panic-unwind.diff
new file mode 100644
index 00000000000..1760efe77d9
--- /dev/null
+++ b/tests/mir-opt/lower_intrinsics.ptr_offset.LowerIntrinsics.panic-unwind.diff
@@ -0,0 +1,30 @@
+- // MIR for `ptr_offset` before LowerIntrinsics
++ // MIR for `ptr_offset` after LowerIntrinsics
+  
+  fn ptr_offset(_1: *const i32, _2: isize) -> *const i32 {
+      debug p => _1;                       // in scope 0 at $DIR/lower_intrinsics.rs:+0:26: +0:27
+      debug d => _2;                       // in scope 0 at $DIR/lower_intrinsics.rs:+0:41: +0:42
+      let mut _0: *const i32;              // return place in scope 0 at $DIR/lower_intrinsics.rs:+0:54: +0:64
+      let mut _3: *const i32;              // in scope 0 at $DIR/lower_intrinsics.rs:+1:30: +1:31
+      let mut _4: isize;                   // in scope 0 at $DIR/lower_intrinsics.rs:+1:33: +1:34
+  
+      bb0: {
+          StorageLive(_3);                 // scope 0 at $DIR/lower_intrinsics.rs:+1:30: +1:31
+          _3 = _1;                         // scope 0 at $DIR/lower_intrinsics.rs:+1:30: +1:31
+          StorageLive(_4);                 // scope 0 at $DIR/lower_intrinsics.rs:+1:33: +1:34
+          _4 = _2;                         // scope 0 at $DIR/lower_intrinsics.rs:+1:33: +1:34
+-         _0 = offset::<*const i32, isize>(move _3, move _4) -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/lower_intrinsics.rs:+1:5: +1:35
+-                                          // mir::Constant
+-                                          // + span: $DIR/lower_intrinsics.rs:150:5: 150:29
+-                                          // + literal: Const { ty: unsafe extern "rust-intrinsic" fn(*const i32, isize) -> *const i32 {offset::<*const i32, isize>}, val: Value(<ZST>) }
++         _0 = Offset(move _3, move _4);   // scope 0 at $DIR/lower_intrinsics.rs:+1:5: +1:35
++         goto -> bb1;                     // scope 0 at $DIR/lower_intrinsics.rs:+1:5: +1:35
+      }
+  
+      bb1: {
+          StorageDead(_4);                 // scope 0 at $DIR/lower_intrinsics.rs:+1:34: +1:35
+          StorageDead(_3);                 // scope 0 at $DIR/lower_intrinsics.rs:+1:34: +1:35
+          return;                          // scope 0 at $DIR/lower_intrinsics.rs:+2:2: +2:2
+      }
+  }
+  
diff --git a/tests/mir-opt/lower_intrinsics.read_via_copy_primitive.LowerIntrinsics.diff b/tests/mir-opt/lower_intrinsics.read_via_copy_primitive.LowerIntrinsics.panic-abort.diff
index 8583766348a..8583766348a 100644
--- a/tests/mir-opt/lower_intrinsics.read_via_copy_primitive.LowerIntrinsics.diff
+++ b/tests/mir-opt/lower_intrinsics.read_via_copy_primitive.LowerIntrinsics.panic-abort.diff
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
new file mode 100644
index 00000000000..8583766348a
--- /dev/null
+++ b/tests/mir-opt/lower_intrinsics.read_via_copy_primitive.LowerIntrinsics.panic-unwind.diff
@@ -0,0 +1,27 @@
+- // MIR for `read_via_copy_primitive` before LowerIntrinsics
++ // MIR for `read_via_copy_primitive` after LowerIntrinsics
+  
+  fn read_via_copy_primitive(_1: &i32) -> i32 {
+      debug r => _1;                       // in scope 0 at $DIR/lower_intrinsics.rs:+0:32: +0:33
+      let mut _0: i32;                     // return place in scope 0 at $DIR/lower_intrinsics.rs:+0:44: +0:47
+      let mut _2: *const i32;              // in scope 0 at $DIR/lower_intrinsics.rs:+1:46: +1:47
+      scope 1 {
+      }
+  
+      bb0: {
+          StorageLive(_2);                 // scope 1 at $DIR/lower_intrinsics.rs:+1:46: +1:47
+          _2 = &raw const (*_1);           // scope 1 at $DIR/lower_intrinsics.rs:+1:46: +1:47
+-         _0 = read_via_copy::<i32>(move _2) -> [return: bb1, unwind unreachable]; // scope 1 at $DIR/lower_intrinsics.rs:+1:14: +1:48
+-                                          // mir::Constant
+-                                          // + span: $DIR/lower_intrinsics.rs:125:14: 125:45
+-                                          // + literal: Const { ty: unsafe extern "rust-intrinsic" fn(*const i32) -> i32 {read_via_copy::<i32>}, val: Value(<ZST>) }
++         _0 = (*_2);                      // scope 1 at $DIR/lower_intrinsics.rs:+1:14: +1:48
++         goto -> bb1;                     // scope 1 at $DIR/lower_intrinsics.rs:+1:14: +1:48
+      }
+  
+      bb1: {
+          StorageDead(_2);                 // scope 1 at $DIR/lower_intrinsics.rs:+1:47: +1:48
+          return;                          // scope 0 at $DIR/lower_intrinsics.rs:+2:2: +2:2
+      }
+  }
+  
diff --git a/tests/mir-opt/lower_intrinsics.read_via_copy_uninhabited.LowerIntrinsics.diff b/tests/mir-opt/lower_intrinsics.read_via_copy_uninhabited.LowerIntrinsics.panic-abort.diff
index f64bc9dcf62..f64bc9dcf62 100644
--- a/tests/mir-opt/lower_intrinsics.read_via_copy_uninhabited.LowerIntrinsics.diff
+++ b/tests/mir-opt/lower_intrinsics.read_via_copy_uninhabited.LowerIntrinsics.panic-abort.diff
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
new file mode 100644
index 00000000000..f64bc9dcf62
--- /dev/null
+++ b/tests/mir-opt/lower_intrinsics.read_via_copy_uninhabited.LowerIntrinsics.panic-unwind.diff
@@ -0,0 +1,21 @@
+- // MIR for `read_via_copy_uninhabited` before LowerIntrinsics
++ // MIR for `read_via_copy_uninhabited` after LowerIntrinsics
+  
+  fn read_via_copy_uninhabited(_1: &Never) -> Never {
+      debug r => _1;                       // in scope 0 at $DIR/lower_intrinsics.rs:+0:34: +0:35
+      let mut _0: Never;                   // return place in scope 0 at $DIR/lower_intrinsics.rs:+0:48: +0:53
+      let mut _2: *const Never;            // in scope 0 at $DIR/lower_intrinsics.rs:+1:46: +1:47
+      scope 1 {
+      }
+  
+      bb0: {
+          StorageLive(_2);                 // scope 1 at $DIR/lower_intrinsics.rs:+1:46: +1:47
+          _2 = &raw const (*_1);           // scope 1 at $DIR/lower_intrinsics.rs:+1:46: +1:47
+-         _0 = read_via_copy::<Never>(move _2) -> unwind unreachable; // scope 1 at $DIR/lower_intrinsics.rs:+1:14: +1:48
+-                                          // mir::Constant
+-                                          // + span: $DIR/lower_intrinsics.rs:130:14: 130:45
+-                                          // + literal: Const { ty: unsafe extern "rust-intrinsic" fn(*const Never) -> Never {read_via_copy::<Never>}, val: Value(<ZST>) }
++         unreachable;                     // scope 1 at $DIR/lower_intrinsics.rs:+1:14: +1:48
+      }
+  }
+  
diff --git a/tests/mir-opt/lower_intrinsics.size_of.LowerIntrinsics.diff b/tests/mir-opt/lower_intrinsics.size_of.LowerIntrinsics.panic-abort.diff
index a880df6a5c2..a880df6a5c2 100644
--- a/tests/mir-opt/lower_intrinsics.size_of.LowerIntrinsics.diff
+++ b/tests/mir-opt/lower_intrinsics.size_of.LowerIntrinsics.panic-abort.diff
diff --git a/tests/mir-opt/lower_intrinsics.size_of.LowerIntrinsics.panic-unwind.diff b/tests/mir-opt/lower_intrinsics.size_of.LowerIntrinsics.panic-unwind.diff
new file mode 100644
index 00000000000..a880df6a5c2
--- /dev/null
+++ b/tests/mir-opt/lower_intrinsics.size_of.LowerIntrinsics.panic-unwind.diff
@@ -0,0 +1,20 @@
+- // MIR for `size_of` before LowerIntrinsics
++ // MIR for `size_of` after LowerIntrinsics
+  
+  fn size_of() -> usize {
+      let mut _0: usize;                   // return place in scope 0 at $DIR/lower_intrinsics.rs:+0:24: +0:29
+  
+      bb0: {
+-         _0 = std::intrinsics::size_of::<T>() -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/lower_intrinsics.rs:+1:5: +1:37
+-                                          // mir::Constant
+-                                          // + span: $DIR/lower_intrinsics.rs:22:5: 22:35
+-                                          // + literal: Const { ty: extern "rust-intrinsic" fn() -> usize {std::intrinsics::size_of::<T>}, val: Value(<ZST>) }
++         _0 = SizeOf(T);                  // scope 0 at $DIR/lower_intrinsics.rs:+1:5: +1:37
++         goto -> bb1;                     // scope 0 at $DIR/lower_intrinsics.rs:+1:5: +1:37
+      }
+  
+      bb1: {
+          return;                          // scope 0 at $DIR/lower_intrinsics.rs:+2:2: +2:2
+      }
+  }
+  
diff --git a/tests/mir-opt/lower_intrinsics.transmute_inhabited.LowerIntrinsics.diff b/tests/mir-opt/lower_intrinsics.transmute_inhabited.LowerIntrinsics.panic-abort.diff
index cde7c64c57a..cde7c64c57a 100644
--- a/tests/mir-opt/lower_intrinsics.transmute_inhabited.LowerIntrinsics.diff
+++ b/tests/mir-opt/lower_intrinsics.transmute_inhabited.LowerIntrinsics.panic-abort.diff
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
new file mode 100644
index 00000000000..cde7c64c57a
--- /dev/null
+++ b/tests/mir-opt/lower_intrinsics.transmute_inhabited.LowerIntrinsics.panic-unwind.diff
@@ -0,0 +1,27 @@
+- // MIR for `transmute_inhabited` before LowerIntrinsics
++ // MIR for `transmute_inhabited` after LowerIntrinsics
+  
+  fn transmute_inhabited(_1: std::cmp::Ordering) -> i8 {
+      debug c => _1;                       // in scope 0 at $DIR/lower_intrinsics.rs:+0:28: +0:29
+      let mut _0: i8;                      // return place in scope 0 at $DIR/lower_intrinsics.rs:+0:54: +0:56
+      let mut _2: std::cmp::Ordering;      // in scope 0 at $DIR/lower_intrinsics.rs:+1:34: +1:35
+      scope 1 {
+      }
+  
+      bb0: {
+          StorageLive(_2);                 // scope 1 at $DIR/lower_intrinsics.rs:+1:34: +1:35
+          _2 = _1;                         // scope 1 at $DIR/lower_intrinsics.rs:+1:34: +1:35
+-         _0 = transmute::<std::cmp::Ordering, i8>(move _2) -> [return: bb1, unwind unreachable]; // scope 1 at $DIR/lower_intrinsics.rs:+1:14: +1:36
+-                                          // mir::Constant
+-                                          // + span: $DIR/lower_intrinsics.rs:49:14: 49:33
+-                                          // + literal: Const { ty: unsafe extern "rust-intrinsic" fn(std::cmp::Ordering) -> i8 {transmute::<std::cmp::Ordering, i8>}, val: Value(<ZST>) }
++         _0 = move _2 as i8 (Transmute);  // scope 1 at $DIR/lower_intrinsics.rs:+1:14: +1:36
++         goto -> bb1;                     // scope 1 at $DIR/lower_intrinsics.rs:+1:14: +1:36
+      }
+  
+      bb1: {
+          StorageDead(_2);                 // scope 1 at $DIR/lower_intrinsics.rs:+1:35: +1:36
+          return;                          // scope 0 at $DIR/lower_intrinsics.rs:+2:2: +2:2
+      }
+  }
+  
diff --git a/tests/mir-opt/lower_intrinsics.transmute_ref_dst.LowerIntrinsics.diff b/tests/mir-opt/lower_intrinsics.transmute_ref_dst.LowerIntrinsics.panic-abort.diff
index 6fc0f3d3e3f..6fc0f3d3e3f 100644
--- a/tests/mir-opt/lower_intrinsics.transmute_ref_dst.LowerIntrinsics.diff
+++ b/tests/mir-opt/lower_intrinsics.transmute_ref_dst.LowerIntrinsics.panic-abort.diff
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
new file mode 100644
index 00000000000..6fc0f3d3e3f
--- /dev/null
+++ b/tests/mir-opt/lower_intrinsics.transmute_ref_dst.LowerIntrinsics.panic-unwind.diff
@@ -0,0 +1,27 @@
+- // MIR for `transmute_ref_dst` before LowerIntrinsics
++ // MIR for `transmute_ref_dst` after LowerIntrinsics
+  
+  fn transmute_ref_dst(_1: &T) -> *const T {
+      debug u => _1;                       // in scope 0 at $DIR/lower_intrinsics.rs:+0:44: +0:45
+      let mut _0: *const T;                // return place in scope 0 at $DIR/lower_intrinsics.rs:+0:54: +0:62
+      let mut _2: &T;                      // in scope 0 at $DIR/lower_intrinsics.rs:+1:34: +1:35
+      scope 1 {
+      }
+  
+      bb0: {
+          StorageLive(_2);                 // scope 1 at $DIR/lower_intrinsics.rs:+1:34: +1:35
+          _2 = _1;                         // scope 1 at $DIR/lower_intrinsics.rs:+1:34: +1:35
+-         _0 = transmute::<&T, *const T>(move _2) -> [return: bb1, unwind unreachable]; // scope 1 at $DIR/lower_intrinsics.rs:+1:14: +1:36
+-                                          // mir::Constant
+-                                          // + span: $DIR/lower_intrinsics.rs:59:14: 59:33
+-                                          // + literal: Const { ty: unsafe extern "rust-intrinsic" fn(&T) -> *const T {transmute::<&T, *const T>}, val: Value(<ZST>) }
++         _0 = move _2 as *const T (Transmute); // scope 1 at $DIR/lower_intrinsics.rs:+1:14: +1:36
++         goto -> bb1;                     // scope 1 at $DIR/lower_intrinsics.rs:+1:14: +1:36
+      }
+  
+      bb1: {
+          StorageDead(_2);                 // scope 1 at $DIR/lower_intrinsics.rs:+1:35: +1:36
+          return;                          // scope 0 at $DIR/lower_intrinsics.rs:+2:2: +2:2
+      }
+  }
+  
diff --git a/tests/mir-opt/lower_intrinsics.transmute_to_box_uninhabited.LowerIntrinsics.diff b/tests/mir-opt/lower_intrinsics.transmute_to_box_uninhabited.LowerIntrinsics.panic-abort.diff
index e6887a382a2..e6887a382a2 100644
--- a/tests/mir-opt/lower_intrinsics.transmute_to_box_uninhabited.LowerIntrinsics.diff
+++ b/tests/mir-opt/lower_intrinsics.transmute_to_box_uninhabited.LowerIntrinsics.panic-abort.diff
diff --git a/tests/mir-opt/lower_intrinsics.transmute_to_box_uninhabited.LowerIntrinsics.panic-unwind.diff b/tests/mir-opt/lower_intrinsics.transmute_to_box_uninhabited.LowerIntrinsics.panic-unwind.diff
new file mode 100644
index 00000000000..e6887a382a2
--- /dev/null
+++ b/tests/mir-opt/lower_intrinsics.transmute_to_box_uninhabited.LowerIntrinsics.panic-unwind.diff
@@ -0,0 +1,25 @@
+- // MIR for `transmute_to_box_uninhabited` before LowerIntrinsics
++ // MIR for `transmute_to_box_uninhabited` after LowerIntrinsics
+  
+  fn transmute_to_box_uninhabited() -> ! {
+      let mut _0: !;                       // return place in scope 0 at $DIR/lower_intrinsics.rs:+0:49: +0:50
+      let _1: std::boxed::Box<Never>;      // in scope 0 at $DIR/lower_intrinsics.rs:+1:9: +1:10
+      scope 1 {
+          debug x => _1;                   // in scope 1 at $DIR/lower_intrinsics.rs:+1:9: +1:10
+      }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/lower_intrinsics.rs:+1:9: +1:10
+-         _1 = transmute::<usize, Box<Never>>(const 1_usize) -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/lower_intrinsics.rs:+1:25: +1:52
+-                                          // mir::Constant
+-                                          // + span: $DIR/lower_intrinsics.rs:76:25: 76:44
+-                                          // + literal: Const { ty: unsafe extern "rust-intrinsic" fn(usize) -> Box<Never> {transmute::<usize, Box<Never>>}, val: Value(<ZST>) }
++         _1 = const 1_usize as std::boxed::Box<Never> (Transmute); // scope 0 at $DIR/lower_intrinsics.rs:+1:25: +1:52
++         goto -> bb1;                     // scope 0 at $DIR/lower_intrinsics.rs:+1:25: +1:52
+      }
+  
+      bb1: {
+          unreachable;                     // scope 1 at $DIR/lower_intrinsics.rs:+2:11: +2:13
+      }
+  }
+  
diff --git a/tests/mir-opt/lower_intrinsics.transmute_to_mut_uninhabited.LowerIntrinsics.diff b/tests/mir-opt/lower_intrinsics.transmute_to_mut_uninhabited.LowerIntrinsics.panic-abort.diff
index b2a44b7c561..b2a44b7c561 100644
--- a/tests/mir-opt/lower_intrinsics.transmute_to_mut_uninhabited.LowerIntrinsics.diff
+++ b/tests/mir-opt/lower_intrinsics.transmute_to_mut_uninhabited.LowerIntrinsics.panic-abort.diff
diff --git a/tests/mir-opt/lower_intrinsics.transmute_to_mut_uninhabited.LowerIntrinsics.panic-unwind.diff b/tests/mir-opt/lower_intrinsics.transmute_to_mut_uninhabited.LowerIntrinsics.panic-unwind.diff
new file mode 100644
index 00000000000..b2a44b7c561
--- /dev/null
+++ b/tests/mir-opt/lower_intrinsics.transmute_to_mut_uninhabited.LowerIntrinsics.panic-unwind.diff
@@ -0,0 +1,25 @@
+- // MIR for `transmute_to_mut_uninhabited` before LowerIntrinsics
++ // MIR for `transmute_to_mut_uninhabited` after LowerIntrinsics
+  
+  fn transmute_to_mut_uninhabited() -> ! {
+      let mut _0: !;                       // return place in scope 0 at $DIR/lower_intrinsics.rs:+0:49: +0:50
+      let _1: &mut Never;                  // in scope 0 at $DIR/lower_intrinsics.rs:+1:9: +1:10
+      scope 1 {
+          debug x => _1;                   // in scope 1 at $DIR/lower_intrinsics.rs:+1:9: +1:10
+      }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/lower_intrinsics.rs:+1:9: +1:10
+-         _1 = transmute::<usize, &mut Never>(const 1_usize) -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/lower_intrinsics.rs:+1:25: +1:52
+-                                          // mir::Constant
+-                                          // + span: $DIR/lower_intrinsics.rs:70:25: 70:44
+-                                          // + literal: Const { ty: unsafe extern "rust-intrinsic" fn(usize) -> &mut Never {transmute::<usize, &mut Never>}, val: Value(<ZST>) }
++         _1 = const 1_usize as &mut Never (Transmute); // scope 0 at $DIR/lower_intrinsics.rs:+1:25: +1:52
++         goto -> bb1;                     // scope 0 at $DIR/lower_intrinsics.rs:+1:25: +1:52
+      }
+  
+      bb1: {
+          unreachable;                     // scope 1 at $DIR/lower_intrinsics.rs:+2:11: +2:13
+      }
+  }
+  
diff --git a/tests/mir-opt/lower_intrinsics.transmute_to_ref_uninhabited.LowerIntrinsics.diff b/tests/mir-opt/lower_intrinsics.transmute_to_ref_uninhabited.LowerIntrinsics.panic-abort.diff
index c49d3aeff70..c49d3aeff70 100644
--- a/tests/mir-opt/lower_intrinsics.transmute_to_ref_uninhabited.LowerIntrinsics.diff
+++ b/tests/mir-opt/lower_intrinsics.transmute_to_ref_uninhabited.LowerIntrinsics.panic-abort.diff
diff --git a/tests/mir-opt/lower_intrinsics.transmute_to_ref_uninhabited.LowerIntrinsics.panic-unwind.diff b/tests/mir-opt/lower_intrinsics.transmute_to_ref_uninhabited.LowerIntrinsics.panic-unwind.diff
new file mode 100644
index 00000000000..c49d3aeff70
--- /dev/null
+++ b/tests/mir-opt/lower_intrinsics.transmute_to_ref_uninhabited.LowerIntrinsics.panic-unwind.diff
@@ -0,0 +1,25 @@
+- // MIR for `transmute_to_ref_uninhabited` before LowerIntrinsics
++ // MIR for `transmute_to_ref_uninhabited` after LowerIntrinsics
+  
+  fn transmute_to_ref_uninhabited() -> ! {
+      let mut _0: !;                       // return place in scope 0 at $DIR/lower_intrinsics.rs:+0:49: +0:50
+      let _1: &Never;                      // in scope 0 at $DIR/lower_intrinsics.rs:+1:9: +1:10
+      scope 1 {
+          debug x => _1;                   // in scope 1 at $DIR/lower_intrinsics.rs:+1:9: +1:10
+      }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/lower_intrinsics.rs:+1:9: +1:10
+-         _1 = transmute::<usize, &Never>(const 1_usize) -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/lower_intrinsics.rs:+1:21: +1:48
+-                                          // mir::Constant
+-                                          // + span: $DIR/lower_intrinsics.rs:64:21: 64:40
+-                                          // + literal: Const { ty: unsafe extern "rust-intrinsic" fn(usize) -> &Never {transmute::<usize, &Never>}, val: Value(<ZST>) }
++         _1 = const 1_usize as &Never (Transmute); // scope 0 at $DIR/lower_intrinsics.rs:+1:21: +1:48
++         goto -> bb1;                     // scope 0 at $DIR/lower_intrinsics.rs:+1:21: +1:48
+      }
+  
+      bb1: {
+          unreachable;                     // scope 1 at $DIR/lower_intrinsics.rs:+2:11: +2:13
+      }
+  }
+  
diff --git a/tests/mir-opt/lower_intrinsics.transmute_uninhabited.LowerIntrinsics.diff b/tests/mir-opt/lower_intrinsics.transmute_uninhabited.LowerIntrinsics.panic-abort.diff
index 06759d74a32..06759d74a32 100644
--- a/tests/mir-opt/lower_intrinsics.transmute_uninhabited.LowerIntrinsics.diff
+++ b/tests/mir-opt/lower_intrinsics.transmute_uninhabited.LowerIntrinsics.panic-abort.diff
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
new file mode 100644
index 00000000000..06759d74a32
--- /dev/null
+++ b/tests/mir-opt/lower_intrinsics.transmute_uninhabited.LowerIntrinsics.panic-unwind.diff
@@ -0,0 +1,22 @@
+- // MIR for `transmute_uninhabited` before LowerIntrinsics
++ // MIR for `transmute_uninhabited` after LowerIntrinsics
+  
+  fn transmute_uninhabited(_1: ()) -> Never {
+      debug u => _1;                       // in scope 0 at $DIR/lower_intrinsics.rs:+0:37: +0:38
+      let mut _0: Never;                   // return place in scope 0 at $DIR/lower_intrinsics.rs:+0:47: +0:52
+      let mut _2: ();                      // in scope 0 at $DIR/lower_intrinsics.rs:+1:47: +1:48
+      scope 1 {
+      }
+  
+      bb0: {
+          StorageLive(_2);                 // scope 1 at $DIR/lower_intrinsics.rs:+1:47: +1:48
+          _2 = _1;                         // scope 1 at $DIR/lower_intrinsics.rs:+1:47: +1:48
+-         _0 = transmute::<(), Never>(move _2) -> unwind unreachable; // scope 1 at $DIR/lower_intrinsics.rs:+1:14: +1:49
+-                                          // mir::Constant
+-                                          // + span: $DIR/lower_intrinsics.rs:54:14: 54:46
+-                                          // + literal: Const { ty: unsafe extern "rust-intrinsic" fn(()) -> Never {transmute::<(), Never>}, val: Value(<ZST>) }
++         _0 = move _2 as Never (Transmute); // scope 1 at $DIR/lower_intrinsics.rs:+1:14: +1:49
++         unreachable;                     // scope 1 at $DIR/lower_intrinsics.rs:+1:14: +1:49
+      }
+  }
+  
diff --git a/tests/mir-opt/lower_intrinsics.unchecked.LowerIntrinsics.diff b/tests/mir-opt/lower_intrinsics.unchecked.LowerIntrinsics.panic-abort.diff
index 9bb43d850eb..9bb43d850eb 100644
--- a/tests/mir-opt/lower_intrinsics.unchecked.LowerIntrinsics.diff
+++ b/tests/mir-opt/lower_intrinsics.unchecked.LowerIntrinsics.panic-abort.diff
diff --git a/tests/mir-opt/lower_intrinsics.unchecked.LowerIntrinsics.panic-unwind.diff b/tests/mir-opt/lower_intrinsics.unchecked.LowerIntrinsics.panic-unwind.diff
new file mode 100644
index 00000000000..9bb43d850eb
--- /dev/null
+++ b/tests/mir-opt/lower_intrinsics.unchecked.LowerIntrinsics.panic-unwind.diff
@@ -0,0 +1,60 @@
+- // MIR for `unchecked` before LowerIntrinsics
++ // MIR for `unchecked` after LowerIntrinsics
+  
+  fn unchecked(_1: i32, _2: i32) -> () {
+      debug a => _1;                       // in scope 0 at $DIR/lower_intrinsics.rs:+0:25: +0:26
+      debug b => _2;                       // in scope 0 at $DIR/lower_intrinsics.rs:+0:33: +0:34
+      let mut _0: ();                      // return place in scope 0 at $DIR/lower_intrinsics.rs:+0:41: +0:41
+      let _3: i32;                         // in scope 0 at $DIR/lower_intrinsics.rs:+1:9: +1:11
+      let mut _4: i32;                     // in scope 0 at $DIR/lower_intrinsics.rs:+1:46: +1:47
+      let mut _5: i32;                     // in scope 0 at $DIR/lower_intrinsics.rs:+1:49: +1:50
+      let mut _7: i32;                     // in scope 0 at $DIR/lower_intrinsics.rs:+2:46: +2:47
+      let mut _8: i32;                     // in scope 0 at $DIR/lower_intrinsics.rs:+2:49: +2:50
+      scope 1 {
+          debug _x => _3;                  // in scope 1 at $DIR/lower_intrinsics.rs:+1:9: +1:11
+          let _6: i32;                     // in scope 1 at $DIR/lower_intrinsics.rs:+2:9: +2:11
+          scope 2 {
+              debug _y => _6;              // in scope 2 at $DIR/lower_intrinsics.rs:+2:9: +2:11
+          }
+      }
+  
+      bb0: {
+          StorageLive(_3);                 // scope 0 at $DIR/lower_intrinsics.rs:+1:9: +1:11
+          StorageLive(_4);                 // scope 0 at $DIR/lower_intrinsics.rs:+1:46: +1:47
+          _4 = _1;                         // scope 0 at $DIR/lower_intrinsics.rs:+1:46: +1:47
+          StorageLive(_5);                 // scope 0 at $DIR/lower_intrinsics.rs:+1:49: +1:50
+          _5 = _2;                         // scope 0 at $DIR/lower_intrinsics.rs:+1:49: +1:50
+-         _3 = unchecked_div::<i32>(move _4, move _5) -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/lower_intrinsics.rs:+1:14: +1:51
+-                                          // mir::Constant
+-                                          // + span: $DIR/lower_intrinsics.rs:16:14: 16:45
+-                                          // + literal: Const { ty: unsafe extern "rust-intrinsic" fn(i32, i32) -> i32 {unchecked_div::<i32>}, val: Value(<ZST>) }
++         _3 = Div(move _4, move _5);      // scope 0 at $DIR/lower_intrinsics.rs:+1:14: +1:51
++         goto -> bb1;                     // scope 0 at $DIR/lower_intrinsics.rs:+1:14: +1:51
+      }
+  
+      bb1: {
+          StorageDead(_5);                 // scope 0 at $DIR/lower_intrinsics.rs:+1:50: +1:51
+          StorageDead(_4);                 // scope 0 at $DIR/lower_intrinsics.rs:+1:50: +1:51
+          StorageLive(_6);                 // scope 1 at $DIR/lower_intrinsics.rs:+2:9: +2:11
+          StorageLive(_7);                 // scope 1 at $DIR/lower_intrinsics.rs:+2:46: +2:47
+          _7 = _1;                         // scope 1 at $DIR/lower_intrinsics.rs:+2:46: +2:47
+          StorageLive(_8);                 // scope 1 at $DIR/lower_intrinsics.rs:+2:49: +2:50
+          _8 = _2;                         // scope 1 at $DIR/lower_intrinsics.rs:+2:49: +2:50
+-         _6 = unchecked_rem::<i32>(move _7, move _8) -> [return: bb2, unwind unreachable]; // scope 1 at $DIR/lower_intrinsics.rs:+2:14: +2:51
+-                                          // mir::Constant
+-                                          // + span: $DIR/lower_intrinsics.rs:17:14: 17:45
+-                                          // + literal: Const { ty: unsafe extern "rust-intrinsic" fn(i32, i32) -> i32 {unchecked_rem::<i32>}, val: Value(<ZST>) }
++         _6 = Rem(move _7, move _8);      // scope 1 at $DIR/lower_intrinsics.rs:+2:14: +2:51
++         goto -> bb2;                     // scope 1 at $DIR/lower_intrinsics.rs:+2:14: +2:51
+      }
+  
+      bb2: {
+          StorageDead(_8);                 // scope 1 at $DIR/lower_intrinsics.rs:+2:50: +2:51
+          StorageDead(_7);                 // scope 1 at $DIR/lower_intrinsics.rs:+2:50: +2:51
+          _0 = const ();                   // scope 0 at $DIR/lower_intrinsics.rs:+0:41: +3:2
+          StorageDead(_6);                 // scope 1 at $DIR/lower_intrinsics.rs:+3:1: +3:2
+          StorageDead(_3);                 // scope 0 at $DIR/lower_intrinsics.rs:+3:1: +3:2
+          return;                          // scope 0 at $DIR/lower_intrinsics.rs:+3:2: +3:2
+      }
+  }
+  
diff --git a/tests/mir-opt/lower_intrinsics.unreachable.LowerIntrinsics.diff b/tests/mir-opt/lower_intrinsics.unreachable.LowerIntrinsics.panic-abort.diff
index 83c9c508bc0..83c9c508bc0 100644
--- a/tests/mir-opt/lower_intrinsics.unreachable.LowerIntrinsics.diff
+++ b/tests/mir-opt/lower_intrinsics.unreachable.LowerIntrinsics.panic-abort.diff
diff --git a/tests/mir-opt/lower_intrinsics.unreachable.LowerIntrinsics.panic-unwind.diff b/tests/mir-opt/lower_intrinsics.unreachable.LowerIntrinsics.panic-unwind.diff
new file mode 100644
index 00000000000..83c9c508bc0
--- /dev/null
+++ b/tests/mir-opt/lower_intrinsics.unreachable.LowerIntrinsics.panic-unwind.diff
@@ -0,0 +1,21 @@
+- // MIR for `unreachable` before LowerIntrinsics
++ // MIR for `unreachable` after LowerIntrinsics
+  
+  fn unreachable() -> ! {
+      let mut _0: !;                       // return place in scope 0 at $DIR/lower_intrinsics.rs:+0:25: +0:26
+      let _1: ();                          // in scope 0 at $DIR/lower_intrinsics.rs:+1:14: +1:45
+      let mut _2: !;                       // in scope 0 at $DIR/lower_intrinsics.rs:+1:14: +1:45
+      scope 1 {
+      }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/lower_intrinsics.rs:+1:5: +1:47
+          StorageLive(_2);                 // scope 1 at $DIR/lower_intrinsics.rs:+1:14: +1:45
+-         _2 = std::intrinsics::unreachable() -> unwind unreachable; // scope 1 at $DIR/lower_intrinsics.rs:+1:14: +1:45
+-                                          // mir::Constant
+-                                          // + span: $DIR/lower_intrinsics.rs:37:14: 37:43
+-                                          // + literal: Const { ty: unsafe extern "rust-intrinsic" fn() -> ! {std::intrinsics::unreachable}, val: Value(<ZST>) }
++         unreachable;                     // scope 1 at $DIR/lower_intrinsics.rs:+1:14: +1:45
+      }
+  }
+  
diff --git a/tests/mir-opt/lower_intrinsics.with_overflow.LowerIntrinsics.diff b/tests/mir-opt/lower_intrinsics.with_overflow.LowerIntrinsics.panic-abort.diff
index 4ae4466a600..4ae4466a600 100644
--- a/tests/mir-opt/lower_intrinsics.with_overflow.LowerIntrinsics.diff
+++ b/tests/mir-opt/lower_intrinsics.with_overflow.LowerIntrinsics.panic-abort.diff
diff --git a/tests/mir-opt/lower_intrinsics.with_overflow.LowerIntrinsics.panic-unwind.diff b/tests/mir-opt/lower_intrinsics.with_overflow.LowerIntrinsics.panic-unwind.diff
new file mode 100644
index 00000000000..4ae4466a600
--- /dev/null
+++ b/tests/mir-opt/lower_intrinsics.with_overflow.LowerIntrinsics.panic-unwind.diff
@@ -0,0 +1,83 @@
+- // MIR for `with_overflow` before LowerIntrinsics
++ // MIR for `with_overflow` after LowerIntrinsics
+  
+  fn with_overflow(_1: i32, _2: i32) -> () {
+      debug a => _1;                       // in scope 0 at $DIR/lower_intrinsics.rs:+0:22: +0:23
+      debug b => _2;                       // in scope 0 at $DIR/lower_intrinsics.rs:+0:30: +0:31
+      let mut _0: ();                      // return place in scope 0 at $DIR/lower_intrinsics.rs:+0:38: +0:38
+      let _3: (i32, bool);                 // in scope 0 at $DIR/lower_intrinsics.rs:+1:9: +1:11
+      let mut _4: i32;                     // in scope 0 at $DIR/lower_intrinsics.rs:+1:50: +1:51
+      let mut _5: i32;                     // in scope 0 at $DIR/lower_intrinsics.rs:+1:53: +1:54
+      let mut _7: i32;                     // in scope 0 at $DIR/lower_intrinsics.rs:+2:50: +2:51
+      let mut _8: i32;                     // in scope 0 at $DIR/lower_intrinsics.rs:+2:53: +2:54
+      let mut _10: i32;                    // in scope 0 at $DIR/lower_intrinsics.rs:+3:50: +3:51
+      let mut _11: i32;                    // in scope 0 at $DIR/lower_intrinsics.rs:+3:53: +3:54
+      scope 1 {
+          debug _x => _3;                  // in scope 1 at $DIR/lower_intrinsics.rs:+1:9: +1:11
+          let _6: (i32, bool);             // in scope 1 at $DIR/lower_intrinsics.rs:+2:9: +2:11
+          scope 2 {
+              debug _y => _6;              // in scope 2 at $DIR/lower_intrinsics.rs:+2:9: +2:11
+              let _9: (i32, bool);         // in scope 2 at $DIR/lower_intrinsics.rs:+3:9: +3:11
+              scope 3 {
+                  debug _z => _9;          // in scope 3 at $DIR/lower_intrinsics.rs:+3:9: +3:11
+              }
+          }
+      }
+  
+      bb0: {
+          StorageLive(_3);                 // scope 0 at $DIR/lower_intrinsics.rs:+1:9: +1:11
+          StorageLive(_4);                 // scope 0 at $DIR/lower_intrinsics.rs:+1:50: +1:51
+          _4 = _1;                         // scope 0 at $DIR/lower_intrinsics.rs:+1:50: +1:51
+          StorageLive(_5);                 // scope 0 at $DIR/lower_intrinsics.rs:+1:53: +1:54
+          _5 = _2;                         // scope 0 at $DIR/lower_intrinsics.rs:+1:53: +1:54
+-         _3 = add_with_overflow::<i32>(move _4, move _5) -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/lower_intrinsics.rs:+1:14: +1:55
+-                                          // mir::Constant
+-                                          // + span: $DIR/lower_intrinsics.rs:118:14: 118:49
+-                                          // + literal: Const { ty: extern "rust-intrinsic" fn(i32, i32) -> (i32, bool) {add_with_overflow::<i32>}, val: Value(<ZST>) }
++         _3 = CheckedAdd(move _4, move _5); // scope 0 at $DIR/lower_intrinsics.rs:+1:14: +1:55
++         goto -> bb1;                     // scope 0 at $DIR/lower_intrinsics.rs:+1:14: +1:55
+      }
+  
+      bb1: {
+          StorageDead(_5);                 // scope 0 at $DIR/lower_intrinsics.rs:+1:54: +1:55
+          StorageDead(_4);                 // scope 0 at $DIR/lower_intrinsics.rs:+1:54: +1:55
+          StorageLive(_6);                 // scope 1 at $DIR/lower_intrinsics.rs:+2:9: +2:11
+          StorageLive(_7);                 // scope 1 at $DIR/lower_intrinsics.rs:+2:50: +2:51
+          _7 = _1;                         // scope 1 at $DIR/lower_intrinsics.rs:+2:50: +2:51
+          StorageLive(_8);                 // scope 1 at $DIR/lower_intrinsics.rs:+2:53: +2:54
+          _8 = _2;                         // scope 1 at $DIR/lower_intrinsics.rs:+2:53: +2:54
+-         _6 = sub_with_overflow::<i32>(move _7, move _8) -> [return: bb2, unwind unreachable]; // scope 1 at $DIR/lower_intrinsics.rs:+2:14: +2:55
+-                                          // mir::Constant
+-                                          // + span: $DIR/lower_intrinsics.rs:119:14: 119:49
+-                                          // + literal: Const { ty: extern "rust-intrinsic" fn(i32, i32) -> (i32, bool) {sub_with_overflow::<i32>}, val: Value(<ZST>) }
++         _6 = CheckedSub(move _7, move _8); // scope 1 at $DIR/lower_intrinsics.rs:+2:14: +2:55
++         goto -> bb2;                     // scope 1 at $DIR/lower_intrinsics.rs:+2:14: +2:55
+      }
+  
+      bb2: {
+          StorageDead(_8);                 // scope 1 at $DIR/lower_intrinsics.rs:+2:54: +2:55
+          StorageDead(_7);                 // scope 1 at $DIR/lower_intrinsics.rs:+2:54: +2:55
+          StorageLive(_9);                 // scope 2 at $DIR/lower_intrinsics.rs:+3:9: +3:11
+          StorageLive(_10);                // scope 2 at $DIR/lower_intrinsics.rs:+3:50: +3:51
+          _10 = _1;                        // scope 2 at $DIR/lower_intrinsics.rs:+3:50: +3:51
+          StorageLive(_11);                // scope 2 at $DIR/lower_intrinsics.rs:+3:53: +3:54
+          _11 = _2;                        // scope 2 at $DIR/lower_intrinsics.rs:+3:53: +3:54
+-         _9 = mul_with_overflow::<i32>(move _10, move _11) -> [return: bb3, unwind unreachable]; // scope 2 at $DIR/lower_intrinsics.rs:+3:14: +3:55
+-                                          // mir::Constant
+-                                          // + span: $DIR/lower_intrinsics.rs:120:14: 120:49
+-                                          // + literal: Const { ty: extern "rust-intrinsic" fn(i32, i32) -> (i32, bool) {mul_with_overflow::<i32>}, val: Value(<ZST>) }
++         _9 = CheckedMul(move _10, move _11); // scope 2 at $DIR/lower_intrinsics.rs:+3:14: +3:55
++         goto -> bb3;                     // scope 2 at $DIR/lower_intrinsics.rs:+3:14: +3:55
+      }
+  
+      bb3: {
+          StorageDead(_11);                // scope 2 at $DIR/lower_intrinsics.rs:+3:54: +3:55
+          StorageDead(_10);                // scope 2 at $DIR/lower_intrinsics.rs:+3:54: +3:55
+          _0 = const ();                   // scope 0 at $DIR/lower_intrinsics.rs:+0:38: +4:2
+          StorageDead(_9);                 // scope 2 at $DIR/lower_intrinsics.rs:+4:1: +4:2
+          StorageDead(_6);                 // scope 1 at $DIR/lower_intrinsics.rs:+4:1: +4:2
+          StorageDead(_3);                 // scope 0 at $DIR/lower_intrinsics.rs:+4:1: +4:2
+          return;                          // scope 0 at $DIR/lower_intrinsics.rs:+4:2: +4:2
+      }
+  }
+  
diff --git a/tests/mir-opt/lower_intrinsics.wrapping.LowerIntrinsics.diff b/tests/mir-opt/lower_intrinsics.wrapping.LowerIntrinsics.panic-abort.diff
index 217f27efe5c..217f27efe5c 100644
--- a/tests/mir-opt/lower_intrinsics.wrapping.LowerIntrinsics.diff
+++ b/tests/mir-opt/lower_intrinsics.wrapping.LowerIntrinsics.panic-abort.diff
diff --git a/tests/mir-opt/lower_intrinsics.wrapping.LowerIntrinsics.panic-unwind.diff b/tests/mir-opt/lower_intrinsics.wrapping.LowerIntrinsics.panic-unwind.diff
new file mode 100644
index 00000000000..217f27efe5c
--- /dev/null
+++ b/tests/mir-opt/lower_intrinsics.wrapping.LowerIntrinsics.panic-unwind.diff
@@ -0,0 +1,83 @@
+- // MIR for `wrapping` before LowerIntrinsics
++ // MIR for `wrapping` after LowerIntrinsics
+  
+  fn wrapping(_1: i32, _2: i32) -> () {
+      debug a => _1;                       // in scope 0 at $DIR/lower_intrinsics.rs:+0:17: +0:18
+      debug b => _2;                       // in scope 0 at $DIR/lower_intrinsics.rs:+0:25: +0:26
+      let mut _0: ();                      // return place in scope 0 at $DIR/lower_intrinsics.rs:+0:33: +0:33
+      let _3: i32;                         // in scope 0 at $DIR/lower_intrinsics.rs:+1:9: +1:11
+      let mut _4: i32;                     // in scope 0 at $DIR/lower_intrinsics.rs:+1:45: +1:46
+      let mut _5: i32;                     // in scope 0 at $DIR/lower_intrinsics.rs:+1:48: +1:49
+      let mut _7: i32;                     // in scope 0 at $DIR/lower_intrinsics.rs:+2:45: +2:46
+      let mut _8: i32;                     // in scope 0 at $DIR/lower_intrinsics.rs:+2:48: +2:49
+      let mut _10: i32;                    // in scope 0 at $DIR/lower_intrinsics.rs:+3:45: +3:46
+      let mut _11: i32;                    // in scope 0 at $DIR/lower_intrinsics.rs:+3:48: +3:49
+      scope 1 {
+          debug _x => _3;                  // in scope 1 at $DIR/lower_intrinsics.rs:+1:9: +1:11
+          let _6: i32;                     // in scope 1 at $DIR/lower_intrinsics.rs:+2:9: +2:11
+          scope 2 {
+              debug _y => _6;              // in scope 2 at $DIR/lower_intrinsics.rs:+2:9: +2:11
+              let _9: i32;                 // in scope 2 at $DIR/lower_intrinsics.rs:+3:9: +3:11
+              scope 3 {
+                  debug _z => _9;          // in scope 3 at $DIR/lower_intrinsics.rs:+3:9: +3:11
+              }
+          }
+      }
+  
+      bb0: {
+          StorageLive(_3);                 // scope 0 at $DIR/lower_intrinsics.rs:+1:9: +1:11
+          StorageLive(_4);                 // scope 0 at $DIR/lower_intrinsics.rs:+1:45: +1:46
+          _4 = _1;                         // scope 0 at $DIR/lower_intrinsics.rs:+1:45: +1:46
+          StorageLive(_5);                 // scope 0 at $DIR/lower_intrinsics.rs:+1:48: +1:49
+          _5 = _2;                         // scope 0 at $DIR/lower_intrinsics.rs:+1:48: +1:49
+-         _3 = std::intrinsics::wrapping_add::<i32>(move _4, move _5) -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/lower_intrinsics.rs:+1:14: +1:50
+-                                          // mir::Constant
+-                                          // + span: $DIR/lower_intrinsics.rs:9:14: 9:44
+-                                          // + literal: Const { ty: extern "rust-intrinsic" fn(i32, i32) -> i32 {std::intrinsics::wrapping_add::<i32>}, val: Value(<ZST>) }
++         _3 = Add(move _4, move _5);      // scope 0 at $DIR/lower_intrinsics.rs:+1:14: +1:50
++         goto -> bb1;                     // scope 0 at $DIR/lower_intrinsics.rs:+1:14: +1:50
+      }
+  
+      bb1: {
+          StorageDead(_5);                 // scope 0 at $DIR/lower_intrinsics.rs:+1:49: +1:50
+          StorageDead(_4);                 // scope 0 at $DIR/lower_intrinsics.rs:+1:49: +1:50
+          StorageLive(_6);                 // scope 1 at $DIR/lower_intrinsics.rs:+2:9: +2:11
+          StorageLive(_7);                 // scope 1 at $DIR/lower_intrinsics.rs:+2:45: +2:46
+          _7 = _1;                         // scope 1 at $DIR/lower_intrinsics.rs:+2:45: +2:46
+          StorageLive(_8);                 // scope 1 at $DIR/lower_intrinsics.rs:+2:48: +2:49
+          _8 = _2;                         // scope 1 at $DIR/lower_intrinsics.rs:+2:48: +2:49
+-         _6 = std::intrinsics::wrapping_sub::<i32>(move _7, move _8) -> [return: bb2, unwind unreachable]; // scope 1 at $DIR/lower_intrinsics.rs:+2:14: +2:50
+-                                          // mir::Constant
+-                                          // + span: $DIR/lower_intrinsics.rs:10:14: 10:44
+-                                          // + literal: Const { ty: extern "rust-intrinsic" fn(i32, i32) -> i32 {std::intrinsics::wrapping_sub::<i32>}, val: Value(<ZST>) }
++         _6 = Sub(move _7, move _8);      // scope 1 at $DIR/lower_intrinsics.rs:+2:14: +2:50
++         goto -> bb2;                     // scope 1 at $DIR/lower_intrinsics.rs:+2:14: +2:50
+      }
+  
+      bb2: {
+          StorageDead(_8);                 // scope 1 at $DIR/lower_intrinsics.rs:+2:49: +2:50
+          StorageDead(_7);                 // scope 1 at $DIR/lower_intrinsics.rs:+2:49: +2:50
+          StorageLive(_9);                 // scope 2 at $DIR/lower_intrinsics.rs:+3:9: +3:11
+          StorageLive(_10);                // scope 2 at $DIR/lower_intrinsics.rs:+3:45: +3:46
+          _10 = _1;                        // scope 2 at $DIR/lower_intrinsics.rs:+3:45: +3:46
+          StorageLive(_11);                // scope 2 at $DIR/lower_intrinsics.rs:+3:48: +3:49
+          _11 = _2;                        // scope 2 at $DIR/lower_intrinsics.rs:+3:48: +3:49
+-         _9 = wrapping_mul::<i32>(move _10, move _11) -> [return: bb3, unwind unreachable]; // scope 2 at $DIR/lower_intrinsics.rs:+3:14: +3:50
+-                                          // mir::Constant
+-                                          // + span: $DIR/lower_intrinsics.rs:11:14: 11:44
+-                                          // + literal: Const { ty: extern "rust-intrinsic" fn(i32, i32) -> i32 {wrapping_mul::<i32>}, val: Value(<ZST>) }
++         _9 = Mul(move _10, move _11);    // scope 2 at $DIR/lower_intrinsics.rs:+3:14: +3:50
++         goto -> bb3;                     // scope 2 at $DIR/lower_intrinsics.rs:+3:14: +3:50
+      }
+  
+      bb3: {
+          StorageDead(_11);                // scope 2 at $DIR/lower_intrinsics.rs:+3:49: +3:50
+          StorageDead(_10);                // scope 2 at $DIR/lower_intrinsics.rs:+3:49: +3:50
+          _0 = const ();                   // scope 0 at $DIR/lower_intrinsics.rs:+0:33: +4:2
+          StorageDead(_9);                 // scope 2 at $DIR/lower_intrinsics.rs:+4:1: +4:2
+          StorageDead(_6);                 // scope 1 at $DIR/lower_intrinsics.rs:+4:1: +4:2
+          StorageDead(_3);                 // scope 0 at $DIR/lower_intrinsics.rs:+4:1: +4:2
+          return;                          // scope 0 at $DIR/lower_intrinsics.rs:+4:2: +4:2
+      }
+  }
+  
diff --git a/tests/mir-opt/lower_intrinsics.write_via_move_string.LowerIntrinsics.diff b/tests/mir-opt/lower_intrinsics.write_via_move_string.LowerIntrinsics.panic-abort.diff
index 2eabd7f626b..2eabd7f626b 100644
--- a/tests/mir-opt/lower_intrinsics.write_via_move_string.LowerIntrinsics.diff
+++ b/tests/mir-opt/lower_intrinsics.write_via_move_string.LowerIntrinsics.panic-abort.diff
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
new file mode 100644
index 00000000000..2eabd7f626b
--- /dev/null
+++ b/tests/mir-opt/lower_intrinsics.write_via_move_string.LowerIntrinsics.panic-unwind.diff
@@ -0,0 +1,36 @@
+- // MIR for `write_via_move_string` before LowerIntrinsics
++ // MIR for `write_via_move_string` after LowerIntrinsics
+  
+  fn write_via_move_string(_1: &mut String, _2: String) -> () {
+      debug r => _1;                       // in scope 0 at $DIR/lower_intrinsics.rs:+0:30: +0:31
+      debug v => _2;                       // in scope 0 at $DIR/lower_intrinsics.rs:+0:46: +0:47
+      let mut _0: ();                      // return place in scope 0 at $DIR/lower_intrinsics.rs:+0:57: +0:57
+      let mut _3: *mut std::string::String; // in scope 0 at $DIR/lower_intrinsics.rs:+1:47: +1:48
+      let mut _4: std::string::String;     // in scope 0 at $DIR/lower_intrinsics.rs:+1:50: +1:51
+      scope 1 {
+      }
+  
+      bb0: {
+          StorageLive(_3);                 // scope 1 at $DIR/lower_intrinsics.rs:+1:47: +1:48
+          _3 = &raw mut (*_1);             // scope 1 at $DIR/lower_intrinsics.rs:+1:47: +1:48
+          StorageLive(_4);                 // scope 1 at $DIR/lower_intrinsics.rs:+1:50: +1:51
+          _4 = move _2;                    // scope 1 at $DIR/lower_intrinsics.rs:+1:50: +1:51
+-         _0 = write_via_move::<String>(move _3, move _4) -> [return: bb1, unwind unreachable]; // scope 1 at $DIR/lower_intrinsics.rs:+1:14: +1:52
+-                                          // mir::Constant
+-                                          // + span: $DIR/lower_intrinsics.rs:135:14: 135:46
+-                                          // + literal: Const { ty: unsafe extern "rust-intrinsic" fn(*mut String, String) {write_via_move::<String>}, val: Value(<ZST>) }
++         (*_3) = move _4;                 // scope 1 at $DIR/lower_intrinsics.rs:+1:14: +1:52
++         goto -> bb1;                     // scope 1 at $DIR/lower_intrinsics.rs:+1:14: +1:52
+      }
+  
+      bb1: {
+          StorageDead(_4);                 // scope 1 at $DIR/lower_intrinsics.rs:+1:51: +1:52
+          StorageDead(_3);                 // scope 1 at $DIR/lower_intrinsics.rs:+1:51: +1:52
+          goto -> bb2;                     // scope 0 at $DIR/lower_intrinsics.rs:+2:1: +2:2
+      }
+  
+      bb2: {
+          return;                          // scope 0 at $DIR/lower_intrinsics.rs:+2:2: +2:2
+      }
+  }
+  
diff --git a/tests/mir-opt/lower_slice_len.bound.LowerSliceLenCalls.panic-abort.diff b/tests/mir-opt/lower_slice_len.bound.LowerSliceLenCalls.panic-abort.diff
new file mode 100644
index 00000000000..8a9ac6b6673
--- /dev/null
+++ b/tests/mir-opt/lower_slice_len.bound.LowerSliceLenCalls.panic-abort.diff
@@ -0,0 +1,63 @@
+- // MIR for `bound` before LowerSliceLenCalls
++ // MIR for `bound` after LowerSliceLenCalls
+  
+  fn bound(_1: usize, _2: &[u8]) -> u8 {
+      debug index => _1;                   // in scope 0 at $DIR/lower_slice_len.rs:+0:14: +0:19
+      debug slice => _2;                   // in scope 0 at $DIR/lower_slice_len.rs:+0:28: +0:33
+      let mut _0: u8;                      // return place in scope 0 at $DIR/lower_slice_len.rs:+0:45: +0:47
+      let mut _3: bool;                    // in scope 0 at $DIR/lower_slice_len.rs:+1:8: +1:27
+      let mut _4: usize;                   // in scope 0 at $DIR/lower_slice_len.rs:+1:8: +1:13
+      let mut _5: usize;                   // in scope 0 at $DIR/lower_slice_len.rs:+1:16: +1:27
+      let mut _6: &[u8];                   // in scope 0 at $DIR/lower_slice_len.rs:+1:16: +1:27
+      let _7: usize;                       // in scope 0 at $DIR/lower_slice_len.rs:+2:15: +2:20
+      let mut _8: usize;                   // in scope 0 at $DIR/lower_slice_len.rs:+2:9: +2:21
+      let mut _9: bool;                    // in scope 0 at $DIR/lower_slice_len.rs:+2:9: +2:21
+  
+      bb0: {
+          StorageLive(_3);                 // scope 0 at $DIR/lower_slice_len.rs:+1:8: +1:27
+          StorageLive(_4);                 // scope 0 at $DIR/lower_slice_len.rs:+1:8: +1:13
+          _4 = _1;                         // scope 0 at $DIR/lower_slice_len.rs:+1:8: +1:13
+          StorageLive(_5);                 // scope 0 at $DIR/lower_slice_len.rs:+1:16: +1:27
+          StorageLive(_6);                 // scope 0 at $DIR/lower_slice_len.rs:+1:16: +1:27
+          _6 = &(*_2);                     // scope 0 at $DIR/lower_slice_len.rs:+1:16: +1:27
+-         _5 = core::slice::<impl [u8]>::len(move _6) -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/lower_slice_len.rs:+1:16: +1:27
+-                                          // mir::Constant
+-                                          // + span: $DIR/lower_slice_len.rs:6:22: 6:25
+-                                          // + literal: Const { ty: for<'a> fn(&'a [u8]) -> usize {core::slice::<impl [u8]>::len}, val: Value(<ZST>) }
++         _5 = Len((*_6));                 // scope 0 at $DIR/lower_slice_len.rs:+1:16: +1:27
++         goto -> bb1;                     // scope 0 at $DIR/lower_slice_len.rs:+1:16: +1:27
+      }
+  
+      bb1: {
+          StorageDead(_6);                 // scope 0 at $DIR/lower_slice_len.rs:+1:26: +1:27
+          _3 = Lt(move _4, move _5);       // scope 0 at $DIR/lower_slice_len.rs:+1:8: +1:27
+          StorageDead(_5);                 // scope 0 at $DIR/lower_slice_len.rs:+1:26: +1:27
+          StorageDead(_4);                 // scope 0 at $DIR/lower_slice_len.rs:+1:26: +1:27
+          switchInt(move _3) -> [0: bb4, otherwise: bb2]; // scope 0 at $DIR/lower_slice_len.rs:+1:8: +1:27
+      }
+  
+      bb2: {
+          StorageLive(_7);                 // scope 0 at $DIR/lower_slice_len.rs:+2:15: +2:20
+          _7 = _1;                         // scope 0 at $DIR/lower_slice_len.rs:+2:15: +2:20
+          _8 = Len((*_2));                 // scope 0 at $DIR/lower_slice_len.rs:+2:9: +2:21
+          _9 = Lt(_7, _8);                 // scope 0 at $DIR/lower_slice_len.rs:+2:9: +2:21
+          assert(move _9, "index out of bounds: the length is {} but the index is {}", move _8, _7) -> [success: bb3, unwind unreachable]; // scope 0 at $DIR/lower_slice_len.rs:+2:9: +2:21
+      }
+  
+      bb3: {
+          _0 = (*_2)[_7];                  // scope 0 at $DIR/lower_slice_len.rs:+2:9: +2:21
+          StorageDead(_7);                 // scope 0 at $DIR/lower_slice_len.rs:+3:5: +3:6
+          goto -> bb5;                     // scope 0 at $DIR/lower_slice_len.rs:+1:5: +5:6
+      }
+  
+      bb4: {
+          _0 = const 42_u8;                // scope 0 at $DIR/lower_slice_len.rs:+4:9: +4:11
+          goto -> bb5;                     // scope 0 at $DIR/lower_slice_len.rs:+1:5: +5:6
+      }
+  
+      bb5: {
+          StorageDead(_3);                 // scope 0 at $DIR/lower_slice_len.rs:+5:5: +5:6
+          return;                          // scope 0 at $DIR/lower_slice_len.rs:+6:2: +6:2
+      }
+  }
+  
diff --git a/tests/mir-opt/lower_slice_len.bound.LowerSliceLenCalls.diff b/tests/mir-opt/lower_slice_len.bound.LowerSliceLenCalls.panic-unwind.diff
index 67918e62b9c..67918e62b9c 100644
--- a/tests/mir-opt/lower_slice_len.bound.LowerSliceLenCalls.diff
+++ b/tests/mir-opt/lower_slice_len.bound.LowerSliceLenCalls.panic-unwind.diff
diff --git a/tests/mir-opt/match_arm_scopes.complicated_match.SimplifyCfg-initial.after-ElaborateDrops.after.diff b/tests/mir-opt/match_arm_scopes.complicated_match.panic-abort.SimplifyCfg-initial.after-ElaborateDrops.after.diff
index 3081e78f26d..3081e78f26d 100644
--- a/tests/mir-opt/match_arm_scopes.complicated_match.SimplifyCfg-initial.after-ElaborateDrops.after.diff
+++ b/tests/mir-opt/match_arm_scopes.complicated_match.panic-abort.SimplifyCfg-initial.after-ElaborateDrops.after.diff
diff --git a/tests/mir-opt/match_arm_scopes.complicated_match.panic-unwind.SimplifyCfg-initial.after-ElaborateDrops.after.diff b/tests/mir-opt/match_arm_scopes.complicated_match.panic-unwind.SimplifyCfg-initial.after-ElaborateDrops.after.diff
new file mode 100644
index 00000000000..3081e78f26d
--- /dev/null
+++ b/tests/mir-opt/match_arm_scopes.complicated_match.panic-unwind.SimplifyCfg-initial.after-ElaborateDrops.after.diff
@@ -0,0 +1,272 @@
+- // MIR for `complicated_match` after SimplifyCfg-initial
++ // MIR for `complicated_match` after ElaborateDrops
+  
+  fn complicated_match(_1: bool, _2: (bool, bool, String)) -> i32 {
+      debug cond => _1;                    // in scope 0 at $DIR/match_arm_scopes.rs:+0:22: +0:26
+      debug items => _2;                   // in scope 0 at $DIR/match_arm_scopes.rs:+0:34: +0:39
+      let mut _0: i32;                     // return place in scope 0 at $DIR/match_arm_scopes.rs:+0:66: +0:69
+      let mut _3: &bool;                   // in scope 0 at $DIR/match_arm_scopes.rs:+1:11: +1:16
+      let mut _4: &bool;                   // in scope 0 at $DIR/match_arm_scopes.rs:+1:11: +1:16
+      let _5: bool;                        // in scope 0 at $DIR/match_arm_scopes.rs:+2:17: +2:18
+      let _6: &bool;                       // in scope 0 at $DIR/match_arm_scopes.rs:+2:17: +2:18
+      let _7: std::string::String;         // in scope 0 at $DIR/match_arm_scopes.rs:+2:20: +2:21
+      let _8: &std::string::String;        // in scope 0 at $DIR/match_arm_scopes.rs:+2:20: +2:21
+      let mut _9: bool;                    // in scope 0 at $DIR/match_arm_scopes.rs:+2:42: +2:73
+      let mut _10: bool;                   // in scope 0 at $DIR/match_arm_scopes.rs:+2:45: +2:49
+      let mut _11: !;                      // in scope 0 at $DIR/match_arm_scopes.rs:+2:52: +2:60
+      let mut _12: bool;                   // in scope 0 at $DIR/match_arm_scopes.rs:+2:42: +2:73
+      let mut _13: bool;                   // in scope 0 at $DIR/match_arm_scopes.rs:+2:45: +2:49
+      let mut _14: !;                      // in scope 0 at $DIR/match_arm_scopes.rs:+2:52: +2:60
+      let _15: bool;                       // in scope 0 at $DIR/match_arm_scopes.rs:+3:16: +3:17
+      let _16: std::string::String;        // in scope 0 at $DIR/match_arm_scopes.rs:+3:19: +3:20
+      scope 1 {
+          debug a => _5;                   // in scope 1 at $DIR/match_arm_scopes.rs:+2:17: +2:18
+          debug a => _6;                   // in scope 1 at $DIR/match_arm_scopes.rs:+2:17: +2:18
+          debug s => _7;                   // in scope 1 at $DIR/match_arm_scopes.rs:+2:20: +2:21
+          debug s => _8;                   // in scope 1 at $DIR/match_arm_scopes.rs:+2:20: +2:21
+      }
+      scope 2 {
+          debug b => _15;                  // in scope 2 at $DIR/match_arm_scopes.rs:+3:16: +3:17
+          debug t => _16;                  // in scope 2 at $DIR/match_arm_scopes.rs:+3:19: +3:20
+      }
+  
+      bb0: {
+-         FakeRead(ForMatchedPlace(None), _2); // scope 0 at $DIR/match_arm_scopes.rs:+1:11: +1:16
+-         switchInt((_2.0: bool)) -> [0: bb1, otherwise: bb2]; // scope 0 at $DIR/match_arm_scopes.rs:+1:5: +1:16
++         switchInt((_2.0: bool)) -> [0: bb5, otherwise: bb1]; // scope 0 at $DIR/match_arm_scopes.rs:+1:5: +1:16
+      }
+  
+      bb1: {
+-         falseEdge -> [real: bb8, imaginary: bb3]; // scope 0 at $DIR/match_arm_scopes.rs:+2:9: +2:22
++         switchInt((_2.1: bool)) -> [0: bb10, otherwise: bb2]; // scope 0 at $DIR/match_arm_scopes.rs:+1:5: +1:16
+      }
+  
+      bb2: {
+-         switchInt((_2.1: bool)) -> [0: bb3, otherwise: bb4]; // scope 0 at $DIR/match_arm_scopes.rs:+1:5: +1:16
++         switchInt((_2.0: bool)) -> [0: bb3, otherwise: bb17]; // scope 0 at $DIR/match_arm_scopes.rs:+1:5: +1:16
+      }
+  
+      bb3: {
+-         falseEdge -> [real: bb13, imaginary: bb5]; // scope 0 at $DIR/match_arm_scopes.rs:+2:25: +2:38
+-     }
+- 
+-     bb4: {
+-         switchInt((_2.0: bool)) -> [0: bb6, otherwise: bb5]; // scope 0 at $DIR/match_arm_scopes.rs:+1:5: +1:16
+-     }
+- 
+-     bb5: {
+-         falseEdge -> [real: bb20, imaginary: bb6]; // scope 0 at $DIR/match_arm_scopes.rs:+3:9: +3:21
+-     }
+- 
+-     bb6: {
+          StorageLive(_15);                // scope 0 at $DIR/match_arm_scopes.rs:+3:32: +3:33
+          _15 = (_2.1: bool);              // scope 0 at $DIR/match_arm_scopes.rs:+3:32: +3:33
+          StorageLive(_16);                // scope 0 at $DIR/match_arm_scopes.rs:+3:35: +3:36
+          _16 = move (_2.2: std::string::String); // scope 0 at $DIR/match_arm_scopes.rs:+3:35: +3:36
+-         goto -> bb19;                    // scope 0 at $DIR/match_arm_scopes.rs:+1:5: +4:6
++         goto -> bb16;                    // scope 0 at $DIR/match_arm_scopes.rs:+1:5: +4:6
+      }
+  
+-     bb7: {
++     bb4: {
+          _0 = const 1_i32;                // scope 1 at $DIR/match_arm_scopes.rs:+2:77: +2:78
+-         drop(_7) -> [return: bb18, unwind: bb25]; // scope 0 at $DIR/match_arm_scopes.rs:+2:77: +2:78
++         drop(_7) -> [return: bb15, unwind: bb22]; // scope 0 at $DIR/match_arm_scopes.rs:+2:77: +2:78
+      }
+  
+-     bb8: {
++     bb5: {
+          StorageLive(_6);                 // scope 0 at $DIR/match_arm_scopes.rs:+2:17: +2:18
+          _6 = &(_2.1: bool);              // scope 0 at $DIR/match_arm_scopes.rs:+2:17: +2:18
+          StorageLive(_8);                 // scope 0 at $DIR/match_arm_scopes.rs:+2:20: +2:21
+          _8 = &(_2.2: std::string::String); // scope 0 at $DIR/match_arm_scopes.rs:+2:20: +2:21
+-         _3 = &shallow (_2.0: bool);      // scope 0 at $DIR/match_arm_scopes.rs:+1:11: +1:16
+-         _4 = &shallow (_2.1: bool);      // scope 0 at $DIR/match_arm_scopes.rs:+1:11: +1:16
+          StorageLive(_9);                 // scope 0 at $DIR/match_arm_scopes.rs:+2:42: +2:73
+          StorageLive(_10);                // scope 0 at $DIR/match_arm_scopes.rs:+2:45: +2:49
+          _10 = _1;                        // scope 0 at $DIR/match_arm_scopes.rs:+2:45: +2:49
+-         switchInt(move _10) -> [0: bb10, otherwise: bb9]; // scope 0 at $DIR/match_arm_scopes.rs:+2:45: +2:49
++         switchInt(move _10) -> [0: bb7, otherwise: bb6]; // scope 0 at $DIR/match_arm_scopes.rs:+2:45: +2:49
+      }
+  
+-     bb9: {
++     bb6: {
+          _0 = const 3_i32;                // scope 0 at $DIR/match_arm_scopes.rs:+2:59: +2:60
+          StorageDead(_10);                // scope 0 at $DIR/match_arm_scopes.rs:+2:72: +2:73
+          StorageDead(_9);                 // scope 0 at $DIR/match_arm_scopes.rs:+2:72: +2:73
+-         goto -> bb23;                    // scope 0 at no-location
++         goto -> bb20;                    // scope 0 at no-location
+      }
+  
+-     bb10: {
++     bb7: {
+          _9 = (*_6);                      // scope 0 at $DIR/match_arm_scopes.rs:+2:70: +2:71
+-         switchInt(move _9) -> [0: bb12, otherwise: bb11]; // scope 0 at $DIR/match_arm_scopes.rs:+2:42: +2:73
++         switchInt(move _9) -> [0: bb9, otherwise: bb8]; // scope 0 at $DIR/match_arm_scopes.rs:+2:42: +2:73
+      }
+  
+-     bb11: {
++     bb8: {
+          StorageDead(_10);                // scope 0 at $DIR/match_arm_scopes.rs:+2:72: +2:73
+          StorageDead(_9);                 // scope 0 at $DIR/match_arm_scopes.rs:+2:72: +2:73
+-         FakeRead(ForMatchGuard, _3);     // scope 0 at $DIR/match_arm_scopes.rs:+2:72: +2:73
+-         FakeRead(ForMatchGuard, _4);     // scope 0 at $DIR/match_arm_scopes.rs:+2:72: +2:73
+-         FakeRead(ForGuardBinding, _6);   // scope 0 at $DIR/match_arm_scopes.rs:+2:72: +2:73
+-         FakeRead(ForGuardBinding, _8);   // scope 0 at $DIR/match_arm_scopes.rs:+2:72: +2:73
+          StorageLive(_5);                 // scope 0 at $DIR/match_arm_scopes.rs:+2:17: +2:18
+          _5 = (_2.1: bool);               // scope 0 at $DIR/match_arm_scopes.rs:+2:17: +2:18
+          StorageLive(_7);                 // scope 0 at $DIR/match_arm_scopes.rs:+2:20: +2:21
+          _7 = move (_2.2: std::string::String); // scope 0 at $DIR/match_arm_scopes.rs:+2:20: +2:21
+-         goto -> bb7;                     // scope 0 at $DIR/match_arm_scopes.rs:+1:5: +4:6
++         goto -> bb4;                     // scope 0 at $DIR/match_arm_scopes.rs:+1:5: +4:6
+      }
+  
+-     bb12: {
++     bb9: {
+          StorageDead(_10);                // scope 0 at $DIR/match_arm_scopes.rs:+2:72: +2:73
+          StorageDead(_9);                 // scope 0 at $DIR/match_arm_scopes.rs:+2:72: +2:73
+          StorageDead(_8);                 // scope 0 at $DIR/match_arm_scopes.rs:+2:77: +2:78
+          StorageDead(_6);                 // scope 0 at $DIR/match_arm_scopes.rs:+2:77: +2:78
+-         falseEdge -> [real: bb2, imaginary: bb3]; // scope 0 at $DIR/match_arm_scopes.rs:+2:42: +2:73
++         goto -> bb1;                     // scope 0 at $DIR/match_arm_scopes.rs:+2:42: +2:73
+      }
+  
+-     bb13: {
++     bb10: {
+          StorageLive(_6);                 // scope 0 at $DIR/match_arm_scopes.rs:+2:26: +2:27
+          _6 = &(_2.0: bool);              // scope 0 at $DIR/match_arm_scopes.rs:+2:26: +2:27
+          StorageLive(_8);                 // scope 0 at $DIR/match_arm_scopes.rs:+2:36: +2:37
+          _8 = &(_2.2: std::string::String); // scope 0 at $DIR/match_arm_scopes.rs:+2:36: +2:37
+-         _3 = &shallow (_2.0: bool);      // scope 0 at $DIR/match_arm_scopes.rs:+1:11: +1:16
+-         _4 = &shallow (_2.1: bool);      // scope 0 at $DIR/match_arm_scopes.rs:+1:11: +1:16
+          StorageLive(_12);                // scope 0 at $DIR/match_arm_scopes.rs:+2:42: +2:73
+          StorageLive(_13);                // scope 0 at $DIR/match_arm_scopes.rs:+2:45: +2:49
+          _13 = _1;                        // scope 0 at $DIR/match_arm_scopes.rs:+2:45: +2:49
+-         switchInt(move _13) -> [0: bb15, otherwise: bb14]; // scope 0 at $DIR/match_arm_scopes.rs:+2:45: +2:49
++         switchInt(move _13) -> [0: bb12, otherwise: bb11]; // scope 0 at $DIR/match_arm_scopes.rs:+2:45: +2:49
+      }
+  
+-     bb14: {
++     bb11: {
+          _0 = const 3_i32;                // scope 0 at $DIR/match_arm_scopes.rs:+2:59: +2:60
+          StorageDead(_13);                // scope 0 at $DIR/match_arm_scopes.rs:+2:72: +2:73
+          StorageDead(_12);                // scope 0 at $DIR/match_arm_scopes.rs:+2:72: +2:73
+-         goto -> bb23;                    // scope 0 at no-location
++         goto -> bb20;                    // scope 0 at no-location
+      }
+  
+-     bb15: {
++     bb12: {
+          _12 = (*_6);                     // scope 0 at $DIR/match_arm_scopes.rs:+2:70: +2:71
+-         switchInt(move _12) -> [0: bb17, otherwise: bb16]; // scope 0 at $DIR/match_arm_scopes.rs:+2:42: +2:73
++         switchInt(move _12) -> [0: bb14, otherwise: bb13]; // scope 0 at $DIR/match_arm_scopes.rs:+2:42: +2:73
+      }
+  
+-     bb16: {
++     bb13: {
+          StorageDead(_13);                // scope 0 at $DIR/match_arm_scopes.rs:+2:72: +2:73
+          StorageDead(_12);                // scope 0 at $DIR/match_arm_scopes.rs:+2:72: +2:73
+-         FakeRead(ForMatchGuard, _3);     // scope 0 at $DIR/match_arm_scopes.rs:+2:72: +2:73
+-         FakeRead(ForMatchGuard, _4);     // scope 0 at $DIR/match_arm_scopes.rs:+2:72: +2:73
+-         FakeRead(ForGuardBinding, _6);   // scope 0 at $DIR/match_arm_scopes.rs:+2:72: +2:73
+-         FakeRead(ForGuardBinding, _8);   // scope 0 at $DIR/match_arm_scopes.rs:+2:72: +2:73
+          StorageLive(_5);                 // scope 0 at $DIR/match_arm_scopes.rs:+2:26: +2:27
+          _5 = (_2.0: bool);               // scope 0 at $DIR/match_arm_scopes.rs:+2:26: +2:27
+          StorageLive(_7);                 // scope 0 at $DIR/match_arm_scopes.rs:+2:36: +2:37
+          _7 = move (_2.2: std::string::String); // scope 0 at $DIR/match_arm_scopes.rs:+2:36: +2:37
+-         goto -> bb7;                     // scope 0 at $DIR/match_arm_scopes.rs:+1:5: +4:6
++         goto -> bb4;                     // scope 0 at $DIR/match_arm_scopes.rs:+1:5: +4:6
+      }
+  
+-     bb17: {
++     bb14: {
+          StorageDead(_13);                // scope 0 at $DIR/match_arm_scopes.rs:+2:72: +2:73
+          StorageDead(_12);                // scope 0 at $DIR/match_arm_scopes.rs:+2:72: +2:73
+          StorageDead(_8);                 // scope 0 at $DIR/match_arm_scopes.rs:+2:77: +2:78
+          StorageDead(_6);                 // scope 0 at $DIR/match_arm_scopes.rs:+2:77: +2:78
+-         falseEdge -> [real: bb4, imaginary: bb5]; // scope 0 at $DIR/match_arm_scopes.rs:+2:42: +2:73
++         goto -> bb2;                     // scope 0 at $DIR/match_arm_scopes.rs:+2:42: +2:73
+      }
+  
+-     bb18: {
++     bb15: {
+          StorageDead(_7);                 // scope 0 at $DIR/match_arm_scopes.rs:+2:77: +2:78
+          StorageDead(_5);                 // scope 0 at $DIR/match_arm_scopes.rs:+2:77: +2:78
+          StorageDead(_8);                 // scope 0 at $DIR/match_arm_scopes.rs:+2:77: +2:78
+          StorageDead(_6);                 // scope 0 at $DIR/match_arm_scopes.rs:+2:77: +2:78
+-         goto -> bb22;                    // scope 0 at $DIR/match_arm_scopes.rs:+2:77: +2:78
++         goto -> bb19;                    // scope 0 at $DIR/match_arm_scopes.rs:+2:77: +2:78
+      }
+  
+-     bb19: {
++     bb16: {
+          _0 = const 2_i32;                // scope 2 at $DIR/match_arm_scopes.rs:+3:41: +3:42
+-         drop(_16) -> [return: bb21, unwind: bb25]; // scope 0 at $DIR/match_arm_scopes.rs:+3:41: +3:42
++         drop(_16) -> [return: bb18, unwind: bb22]; // scope 0 at $DIR/match_arm_scopes.rs:+3:41: +3:42
+      }
+  
+-     bb20: {
++     bb17: {
+          StorageLive(_15);                // scope 0 at $DIR/match_arm_scopes.rs:+3:16: +3:17
+          _15 = (_2.1: bool);              // scope 0 at $DIR/match_arm_scopes.rs:+3:16: +3:17
+          StorageLive(_16);                // scope 0 at $DIR/match_arm_scopes.rs:+3:19: +3:20
+          _16 = move (_2.2: std::string::String); // scope 0 at $DIR/match_arm_scopes.rs:+3:19: +3:20
+-         goto -> bb19;                    // scope 0 at $DIR/match_arm_scopes.rs:+1:5: +4:6
++         goto -> bb16;                    // scope 0 at $DIR/match_arm_scopes.rs:+1:5: +4:6
+      }
+  
+-     bb21: {
++     bb18: {
+          StorageDead(_16);                // scope 0 at $DIR/match_arm_scopes.rs:+3:41: +3:42
+          StorageDead(_15);                // scope 0 at $DIR/match_arm_scopes.rs:+3:41: +3:42
+-         goto -> bb22;                    // scope 0 at $DIR/match_arm_scopes.rs:+3:41: +3:42
++         goto -> bb19;                    // scope 0 at $DIR/match_arm_scopes.rs:+3:41: +3:42
+      }
+  
+-     bb22: {
+-         drop(_2) -> [return: bb24, unwind: bb26]; // scope 0 at $DIR/match_arm_scopes.rs:+5:1: +5:2
++     bb19: {
++         goto -> bb26;                    // scope 0 at $DIR/match_arm_scopes.rs:+5:1: +5:2
+      }
+  
+-     bb23: {
++     bb20: {
+          StorageDead(_8);                 // scope 0 at $DIR/match_arm_scopes.rs:+2:77: +2:78
+          StorageDead(_6);                 // scope 0 at $DIR/match_arm_scopes.rs:+2:77: +2:78
+-         drop(_2) -> [return: bb24, unwind: bb26]; // scope 0 at $DIR/match_arm_scopes.rs:+5:1: +5:2
++         drop(_2) -> [return: bb21, unwind: bb23]; // scope 0 at $DIR/match_arm_scopes.rs:+5:1: +5:2
+      }
+  
+-     bb24: {
++     bb21: {
+          return;                          // scope 0 at $DIR/match_arm_scopes.rs:+5:2: +5:2
+      }
+  
+-     bb25 (cleanup): {
+-         drop(_2) -> [return: bb26, unwind terminate]; // scope 0 at $DIR/match_arm_scopes.rs:+5:1: +5:2
++     bb22 (cleanup): {
++         goto -> bb27;                    // scope 0 at $DIR/match_arm_scopes.rs:+5:1: +5:2
+      }
+  
+-     bb26 (cleanup): {
++     bb23 (cleanup): {
+          resume;                          // scope 0 at $DIR/match_arm_scopes.rs:+0:1: +5:2
++     }
++ 
++     bb24: {
++         goto -> bb21;                    // scope 0 at $DIR/match_arm_scopes.rs:+5:1: +5:2
++     }
++ 
++     bb25 (cleanup): {
++         goto -> bb23;                    // scope 0 at $DIR/match_arm_scopes.rs:+5:1: +5:2
++     }
++ 
++     bb26: {
++         goto -> bb24;                    // scope 0 at $DIR/match_arm_scopes.rs:+5:1: +5:2
++     }
++ 
++     bb27 (cleanup): {
++         goto -> bb23;                    // scope 0 at $DIR/match_arm_scopes.rs:+5:1: +5:2
+      }
+  }
+  
diff --git a/tests/mir-opt/no_drop_for_inactive_variant.unwrap.SimplifyCfg-elaborate-drops.after.panic-abort.mir b/tests/mir-opt/no_drop_for_inactive_variant.unwrap.SimplifyCfg-elaborate-drops.after.panic-abort.mir
new file mode 100644
index 00000000000..90b547913e4
--- /dev/null
+++ b/tests/mir-opt/no_drop_for_inactive_variant.unwrap.SimplifyCfg-elaborate-drops.after.panic-abort.mir
@@ -0,0 +1,44 @@
+// MIR for `unwrap` after SimplifyCfg-elaborate-drops
+
+fn unwrap(_1: Option<T>) -> T {
+    debug opt => _1;                     // in scope 0 at $DIR/no_drop_for_inactive_variant.rs:+0:14: +0:17
+    let mut _0: T;                       // return place in scope 0 at $DIR/no_drop_for_inactive_variant.rs:+0:33: +0:34
+    let mut _2: isize;                   // in scope 0 at $DIR/no_drop_for_inactive_variant.rs:+2:9: +2:16
+    let _3: T;                           // in scope 0 at $DIR/no_drop_for_inactive_variant.rs:+2:14: +2:15
+    let mut _4: !;                       // in scope 0 at $SRC_DIR/std/src/panic.rs:LL:COL
+    let mut _5: isize;                   // in scope 0 at $DIR/no_drop_for_inactive_variant.rs:+5:1: +5:2
+    let mut _6: isize;                   // in scope 0 at $DIR/no_drop_for_inactive_variant.rs:+5:1: +5:2
+    let mut _7: isize;                   // in scope 0 at $DIR/no_drop_for_inactive_variant.rs:+5:1: +5:2
+    scope 1 {
+        debug x => _3;                   // in scope 1 at $DIR/no_drop_for_inactive_variant.rs:+2:14: +2:15
+    }
+
+    bb0: {
+        _2 = discriminant(_1);           // scope 0 at $DIR/no_drop_for_inactive_variant.rs:+1:11: +1:14
+        switchInt(move _2) -> [0: bb1, 1: bb3, otherwise: bb2]; // scope 0 at $DIR/no_drop_for_inactive_variant.rs:+1:5: +1:14
+    }
+
+    bb1: {
+        StorageLive(_4);                 // scope 0 at $SRC_DIR/std/src/panic.rs:LL:COL
+        _4 = begin_panic::<&str>(const "explicit panic") -> unwind unreachable; // scope 0 at $SRC_DIR/std/src/panic.rs:LL:COL
+                                         // mir::Constant
+                                         // + span: $SRC_DIR/std/src/panic.rs:LL:COL
+                                         // + literal: Const { ty: fn(&str) -> ! {begin_panic::<&str>}, val: Value(<ZST>) }
+                                         // mir::Constant
+                                         // + span: $SRC_DIR/std/src/panic.rs:LL:COL
+                                         // + literal: Const { ty: &str, val: Value(Slice(..)) }
+    }
+
+    bb2: {
+        unreachable;                     // scope 0 at $DIR/no_drop_for_inactive_variant.rs:+1:11: +1:14
+    }
+
+    bb3: {
+        StorageLive(_3);                 // scope 0 at $DIR/no_drop_for_inactive_variant.rs:+2:14: +2:15
+        _3 = move ((_1 as Some).0: T);   // scope 0 at $DIR/no_drop_for_inactive_variant.rs:+2:14: +2:15
+        _0 = move _3;                    // scope 1 at $DIR/no_drop_for_inactive_variant.rs:+2:20: +2:21
+        StorageDead(_3);                 // scope 0 at $DIR/no_drop_for_inactive_variant.rs:+2:20: +2:21
+        _5 = discriminant(_1);           // scope 0 at $DIR/no_drop_for_inactive_variant.rs:+5:1: +5:2
+        return;                          // scope 0 at $DIR/no_drop_for_inactive_variant.rs:+5:2: +5:2
+    }
+}
diff --git a/tests/mir-opt/no_drop_for_inactive_variant.unwrap.SimplifyCfg-elaborate-drops.after.mir b/tests/mir-opt/no_drop_for_inactive_variant.unwrap.SimplifyCfg-elaborate-drops.after.panic-unwind.mir
index 69327b7afac..69327b7afac 100644
--- a/tests/mir-opt/no_drop_for_inactive_variant.unwrap.SimplifyCfg-elaborate-drops.after.mir
+++ b/tests/mir-opt/no_drop_for_inactive_variant.unwrap.SimplifyCfg-elaborate-drops.after.panic-unwind.mir
diff --git a/tests/mir-opt/no_spurious_drop_after_call.main.ElaborateDrops.before.panic-abort.mir b/tests/mir-opt/no_spurious_drop_after_call.main.ElaborateDrops.before.panic-abort.mir
new file mode 100644
index 00000000000..14b315ad9a3
--- /dev/null
+++ b/tests/mir-opt/no_spurious_drop_after_call.main.ElaborateDrops.before.panic-abort.mir
@@ -0,0 +1,49 @@
+// MIR for `main` before ElaborateDrops
+
+fn main() -> () {
+    let mut _0: ();                      // return place in scope 0 at $DIR/no_spurious_drop_after_call.rs:+0:11: +0:11
+    let _1: ();                          // in scope 0 at $DIR/no_spurious_drop_after_call.rs:+1:5: +1:35
+    let mut _2: std::string::String;     // in scope 0 at $DIR/no_spurious_drop_after_call.rs:+1:20: +1:34
+    let mut _3: &str;                    // in scope 0 at $DIR/no_spurious_drop_after_call.rs:+1:20: +1:34
+    let _4: &str;                        // in scope 0 at $DIR/no_spurious_drop_after_call.rs:+1:20: +1:22
+
+    bb0: {
+        StorageLive(_1);                 // scope 0 at $DIR/no_spurious_drop_after_call.rs:+1:5: +1:35
+        StorageLive(_2);                 // scope 0 at $DIR/no_spurious_drop_after_call.rs:+1:20: +1:34
+        StorageLive(_3);                 // scope 0 at $DIR/no_spurious_drop_after_call.rs:+1:20: +1:34
+        StorageLive(_4);                 // scope 0 at $DIR/no_spurious_drop_after_call.rs:+1:20: +1:22
+        _4 = const "";                   // scope 0 at $DIR/no_spurious_drop_after_call.rs:+1:20: +1:22
+                                         // mir::Constant
+                                         // + span: $DIR/no_spurious_drop_after_call.rs:9:20: 9:22
+                                         // + literal: Const { ty: &str, val: Value(Slice(..)) }
+        _3 = &(*_4);                     // scope 0 at $DIR/no_spurious_drop_after_call.rs:+1:20: +1:34
+        _2 = <str as ToString>::to_string(move _3) -> [return: bb1, unwind: bb4]; // scope 0 at $DIR/no_spurious_drop_after_call.rs:+1:20: +1:34
+                                         // mir::Constant
+                                         // + span: $DIR/no_spurious_drop_after_call.rs:9:23: 9:32
+                                         // + literal: Const { ty: for<'a> fn(&'a str) -> String {<str as ToString>::to_string}, val: Value(<ZST>) }
+    }
+
+    bb1: {
+        StorageDead(_3);                 // scope 0 at $DIR/no_spurious_drop_after_call.rs:+1:33: +1:34
+        _1 = std::mem::drop::<String>(move _2) -> [return: bb2, unwind: bb3]; // scope 0 at $DIR/no_spurious_drop_after_call.rs:+1:5: +1:35
+                                         // mir::Constant
+                                         // + span: $DIR/no_spurious_drop_after_call.rs:9:5: 9:19
+                                         // + literal: Const { ty: fn(String) {std::mem::drop::<String>}, val: Value(<ZST>) }
+    }
+
+    bb2: {
+        StorageDead(_2);                 // scope 0 at $DIR/no_spurious_drop_after_call.rs:+1:34: +1:35
+        StorageDead(_4);                 // scope 0 at $DIR/no_spurious_drop_after_call.rs:+1:35: +1:36
+        StorageDead(_1);                 // scope 0 at $DIR/no_spurious_drop_after_call.rs:+1:35: +1:36
+        _0 = const ();                   // scope 0 at $DIR/no_spurious_drop_after_call.rs:+0:11: +2:2
+        return;                          // scope 0 at $DIR/no_spurious_drop_after_call.rs:+2:2: +2:2
+    }
+
+    bb3 (cleanup): {
+        drop(_2) -> [return: bb4, unwind terminate]; // scope 0 at $DIR/no_spurious_drop_after_call.rs:+1:34: +1:35
+    }
+
+    bb4 (cleanup): {
+        resume;                          // scope 0 at $DIR/no_spurious_drop_after_call.rs:+0:1: +2:2
+    }
+}
diff --git a/tests/mir-opt/no_spurious_drop_after_call.main.ElaborateDrops.before.mir b/tests/mir-opt/no_spurious_drop_after_call.main.ElaborateDrops.before.panic-unwind.mir
index 950f8758e31..950f8758e31 100644
--- a/tests/mir-opt/no_spurious_drop_after_call.main.ElaborateDrops.before.mir
+++ b/tests/mir-opt/no_spurious_drop_after_call.main.ElaborateDrops.before.panic-unwind.mir
diff --git a/tests/mir-opt/nrvo_simple.nrvo.RenameReturnPlace.panic-abort.diff b/tests/mir-opt/nrvo_simple.nrvo.RenameReturnPlace.panic-abort.diff
new file mode 100644
index 00000000000..45b2efa3fe2
--- /dev/null
+++ b/tests/mir-opt/nrvo_simple.nrvo.RenameReturnPlace.panic-abort.diff
@@ -0,0 +1,43 @@
+- // MIR for `nrvo` before RenameReturnPlace
++ // MIR for `nrvo` after RenameReturnPlace
+  
+  fn nrvo(_1: for<'a> fn(&'a mut [u8; 1024])) -> [u8; 1024] {
+      debug init => _1;                    // in scope 0 at $DIR/nrvo_simple.rs:+0:9: +0:13
+-     let mut _0: [u8; 1024];              // return place in scope 0 at $DIR/nrvo_simple.rs:+0:39: +0:49
++     let mut _0: [u8; 1024];              // return place in scope 0 at $DIR/nrvo_simple.rs:+1:9: +1:16
+      let mut _2: [u8; 1024];              // in scope 0 at $DIR/nrvo_simple.rs:+1:9: +1:16
+      let _3: ();                          // in scope 0 at $DIR/nrvo_simple.rs:+2:5: +2:19
+      let mut _4: for<'a> fn(&'a mut [u8; 1024]); // in scope 0 at $DIR/nrvo_simple.rs:+2:5: +2:9
+      let mut _5: &mut [u8; 1024];         // in scope 0 at $DIR/nrvo_simple.rs:+2:10: +2:18
+      let mut _6: &mut [u8; 1024];         // in scope 0 at $DIR/nrvo_simple.rs:+2:10: +2:18
+      scope 1 {
+-         debug buf => _2;                 // in scope 1 at $DIR/nrvo_simple.rs:+1:9: +1:16
++         debug buf => _0;                 // in scope 1 at $DIR/nrvo_simple.rs:+1:9: +1:16
+      }
+  
+      bb0: {
+-         StorageLive(_2);                 // scope 0 at $DIR/nrvo_simple.rs:+1:9: +1:16
+-         _2 = [const 0_u8; 1024];         // scope 0 at $DIR/nrvo_simple.rs:+1:19: +1:28
++         _0 = [const 0_u8; 1024];         // scope 0 at $DIR/nrvo_simple.rs:+1:19: +1:28
+          StorageLive(_3);                 // scope 1 at $DIR/nrvo_simple.rs:+2:5: +2:19
+          StorageLive(_4);                 // scope 1 at $DIR/nrvo_simple.rs:+2:5: +2:9
+          _4 = _1;                         // scope 1 at $DIR/nrvo_simple.rs:+2:5: +2:9
+          StorageLive(_5);                 // scope 1 at $DIR/nrvo_simple.rs:+2:10: +2:18
+          StorageLive(_6);                 // scope 1 at $DIR/nrvo_simple.rs:+2:10: +2:18
+-         _6 = &mut _2;                    // scope 1 at $DIR/nrvo_simple.rs:+2:10: +2:18
++         _6 = &mut _0;                    // scope 1 at $DIR/nrvo_simple.rs:+2:10: +2:18
+          _5 = &mut (*_6);                 // scope 1 at $DIR/nrvo_simple.rs:+2:10: +2:18
+          _3 = move _4(move _5) -> [return: bb1, unwind unreachable]; // scope 1 at $DIR/nrvo_simple.rs:+2:5: +2:19
+      }
+  
+      bb1: {
+          StorageDead(_5);                 // scope 1 at $DIR/nrvo_simple.rs:+2:18: +2:19
+          StorageDead(_4);                 // scope 1 at $DIR/nrvo_simple.rs:+2:18: +2:19
+          StorageDead(_6);                 // scope 1 at $DIR/nrvo_simple.rs:+2:19: +2:20
+          StorageDead(_3);                 // scope 1 at $DIR/nrvo_simple.rs:+2:19: +2:20
+-         _0 = _2;                         // scope 1 at $DIR/nrvo_simple.rs:+3:5: +3:8
+-         StorageDead(_2);                 // scope 0 at $DIR/nrvo_simple.rs:+4:1: +4:2
+          return;                          // scope 0 at $DIR/nrvo_simple.rs:+4:2: +4:2
+      }
+  }
+  
diff --git a/tests/mir-opt/nrvo_simple.nrvo.RenameReturnPlace.diff b/tests/mir-opt/nrvo_simple.nrvo.RenameReturnPlace.panic-unwind.diff
index 61a16065bfb..61a16065bfb 100644
--- a/tests/mir-opt/nrvo_simple.nrvo.RenameReturnPlace.diff
+++ b/tests/mir-opt/nrvo_simple.nrvo.RenameReturnPlace.panic-unwind.diff
diff --git a/tests/mir-opt/packed_struct_drop_aligned.main.SimplifyCfg-elaborate-drops.after.panic-abort.mir b/tests/mir-opt/packed_struct_drop_aligned.main.SimplifyCfg-elaborate-drops.after.panic-abort.mir
new file mode 100644
index 00000000000..f17682ae71d
--- /dev/null
+++ b/tests/mir-opt/packed_struct_drop_aligned.main.SimplifyCfg-elaborate-drops.after.panic-abort.mir
@@ -0,0 +1,46 @@
+// MIR for `main` after SimplifyCfg-elaborate-drops
+
+fn main() -> () {
+    let mut _0: ();                      // return place in scope 0 at $DIR/packed_struct_drop_aligned.rs:+0:11: +0:11
+    let mut _1: Packed;                  // in scope 0 at $DIR/packed_struct_drop_aligned.rs:+1:9: +1:14
+    let mut _2: Aligned;                 // in scope 0 at $DIR/packed_struct_drop_aligned.rs:+1:24: +1:42
+    let mut _3: Droppy;                  // in scope 0 at $DIR/packed_struct_drop_aligned.rs:+1:32: +1:41
+    let mut _4: Aligned;                 // in scope 0 at $DIR/packed_struct_drop_aligned.rs:+2:11: +2:29
+    let mut _5: Droppy;                  // in scope 0 at $DIR/packed_struct_drop_aligned.rs:+2:19: +2:28
+    let mut _6: Aligned;                 // in scope 0 at $DIR/packed_struct_drop_aligned.rs:+2:5: +2:8
+    scope 1 {
+        debug x => _1;                   // in scope 1 at $DIR/packed_struct_drop_aligned.rs:+1:9: +1:14
+    }
+
+    bb0: {
+        StorageLive(_1);                 // scope 0 at $DIR/packed_struct_drop_aligned.rs:+1:9: +1:14
+        StorageLive(_2);                 // scope 0 at $DIR/packed_struct_drop_aligned.rs:+1:24: +1:42
+        StorageLive(_3);                 // scope 0 at $DIR/packed_struct_drop_aligned.rs:+1:32: +1:41
+        _3 = Droppy(const 0_usize);      // scope 0 at $DIR/packed_struct_drop_aligned.rs:+1:32: +1:41
+        _2 = Aligned(move _3);           // scope 0 at $DIR/packed_struct_drop_aligned.rs:+1:24: +1:42
+        StorageDead(_3);                 // scope 0 at $DIR/packed_struct_drop_aligned.rs:+1:41: +1:42
+        _1 = Packed(move _2);            // scope 0 at $DIR/packed_struct_drop_aligned.rs:+1:17: +1:43
+        StorageDead(_2);                 // scope 0 at $DIR/packed_struct_drop_aligned.rs:+1:42: +1:43
+        StorageLive(_4);                 // scope 1 at $DIR/packed_struct_drop_aligned.rs:+2:11: +2:29
+        StorageLive(_5);                 // scope 1 at $DIR/packed_struct_drop_aligned.rs:+2:19: +2:28
+        _5 = Droppy(const 0_usize);      // scope 1 at $DIR/packed_struct_drop_aligned.rs:+2:19: +2:28
+        _4 = Aligned(move _5);           // scope 1 at $DIR/packed_struct_drop_aligned.rs:+2:11: +2:29
+        StorageDead(_5);                 // scope 1 at $DIR/packed_struct_drop_aligned.rs:+2:28: +2:29
+        StorageLive(_6);                 // scope 1 at $DIR/packed_struct_drop_aligned.rs:+2:5: +2:8
+        _6 = move (_1.0: Aligned);       // scope 1 at $DIR/packed_struct_drop_aligned.rs:+2:5: +2:8
+        drop(_6) -> [return: bb2, unwind unreachable]; // scope 1 at $DIR/packed_struct_drop_aligned.rs:+2:5: +2:8
+    }
+
+    bb1: {
+        StorageDead(_1);                 // scope 0 at $DIR/packed_struct_drop_aligned.rs:+3:1: +3:2
+        return;                          // scope 0 at $DIR/packed_struct_drop_aligned.rs:+3:2: +3:2
+    }
+
+    bb2: {
+        StorageDead(_6);                 // scope 1 at $DIR/packed_struct_drop_aligned.rs:+2:5: +2:8
+        (_1.0: Aligned) = move _4;       // scope 1 at $DIR/packed_struct_drop_aligned.rs:+2:5: +2:8
+        StorageDead(_4);                 // scope 1 at $DIR/packed_struct_drop_aligned.rs:+2:28: +2:29
+        _0 = const ();                   // scope 0 at $DIR/packed_struct_drop_aligned.rs:+0:11: +3:2
+        drop(_1) -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/packed_struct_drop_aligned.rs:+3:1: +3:2
+    }
+}
diff --git a/tests/mir-opt/packed_struct_drop_aligned.main.SimplifyCfg-elaborate-drops.after.mir b/tests/mir-opt/packed_struct_drop_aligned.main.SimplifyCfg-elaborate-drops.after.panic-unwind.mir
index 81b96e3b631..81b96e3b631 100644
--- a/tests/mir-opt/packed_struct_drop_aligned.main.SimplifyCfg-elaborate-drops.after.mir
+++ b/tests/mir-opt/packed_struct_drop_aligned.main.SimplifyCfg-elaborate-drops.after.panic-unwind.mir
diff --git a/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ConstProp.32bit.panic-abort.diff b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ConstProp.32bit.panic-abort.diff
new file mode 100644
index 00000000000..eeb67c44126
--- /dev/null
+++ b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ConstProp.32bit.panic-abort.diff
@@ -0,0 +1,59 @@
+- // MIR for `main` before ConstProp
++ // MIR for `main` after ConstProp
+  
+  fn main() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/optimizes_into_variable.rs:+0:11: +0:11
+      let _1: i32;                         // in scope 0 at $DIR/optimizes_into_variable.rs:+1:9: +1:10
+      let mut _2: (i32, bool);             // in scope 0 at $DIR/optimizes_into_variable.rs:+1:13: +1:18
+      let mut _4: [i32; 6];                // in scope 0 at $DIR/optimizes_into_variable.rs:+2:13: +2:31
+      let _5: usize;                       // in scope 0 at $DIR/optimizes_into_variable.rs:+2:32: +2:33
+      let mut _6: usize;                   // in scope 0 at $DIR/optimizes_into_variable.rs:+2:13: +2:34
+      let mut _7: bool;                    // in scope 0 at $DIR/optimizes_into_variable.rs:+2:13: +2:34
+      let mut _9: u32;                     // in scope 0 at $DIR/optimizes_into_variable.rs:+3:13: +3:36
+      scope 1 {
+          debug x => _1;                   // in scope 1 at $DIR/optimizes_into_variable.rs:+1:9: +1:10
+          let _3: i32;                     // in scope 1 at $DIR/optimizes_into_variable.rs:+2:9: +2:10
+          scope 2 {
+              debug y => _3;               // in scope 2 at $DIR/optimizes_into_variable.rs:+2:9: +2:10
+              let _8: u32;                 // in scope 2 at $DIR/optimizes_into_variable.rs:+3:9: +3:10
+              scope 3 {
+                  debug z => _9;           // in scope 3 at $DIR/optimizes_into_variable.rs:+3:9: +3:10
+              }
+          }
+      }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/optimizes_into_variable.rs:+1:9: +1:10
+-         _2 = CheckedAdd(const 2_i32, const 2_i32); // scope 0 at $DIR/optimizes_into_variable.rs:+1:13: +1:18
+-         assert(!move (_2.1: bool), "attempt to compute `{} + {}`, which would overflow", const 2_i32, const 2_i32) -> [success: bb1, unwind unreachable]; // scope 0 at $DIR/optimizes_into_variable.rs:+1:13: +1:18
++         _2 = const (4_i32, false);       // scope 0 at $DIR/optimizes_into_variable.rs:+1:13: +1:18
++         assert(!const false, "attempt to compute `{} + {}`, which would overflow", const 2_i32, const 2_i32) -> [success: bb1, unwind unreachable]; // scope 0 at $DIR/optimizes_into_variable.rs:+1:13: +1:18
+      }
+  
+      bb1: {
+-         _1 = move (_2.0: i32);           // scope 0 at $DIR/optimizes_into_variable.rs:+1:13: +1:18
++         _1 = const 4_i32;                // scope 0 at $DIR/optimizes_into_variable.rs:+1:13: +1:18
+          StorageLive(_3);                 // scope 1 at $DIR/optimizes_into_variable.rs:+2:9: +2:10
+          StorageLive(_4);                 // scope 1 at $DIR/optimizes_into_variable.rs:+2:13: +2:31
+          _4 = [const 0_i32, const 1_i32, const 2_i32, const 3_i32, const 4_i32, const 5_i32]; // scope 1 at $DIR/optimizes_into_variable.rs:+2:13: +2:31
+          StorageLive(_5);                 // scope 1 at $DIR/optimizes_into_variable.rs:+2:32: +2:33
+          _5 = const 3_usize;              // scope 1 at $DIR/optimizes_into_variable.rs:+2:32: +2:33
+          _6 = const 6_usize;              // scope 1 at $DIR/optimizes_into_variable.rs:+2:13: +2:34
+-         _7 = Lt(_5, _6);                 // scope 1 at $DIR/optimizes_into_variable.rs:+2:13: +2:34
+-         assert(move _7, "index out of bounds: the length is {} but the index is {}", move _6, _5) -> [success: bb2, unwind unreachable]; // scope 1 at $DIR/optimizes_into_variable.rs:+2:13: +2:34
++         _7 = const true;                 // scope 1 at $DIR/optimizes_into_variable.rs:+2:13: +2:34
++         assert(const true, "index out of bounds: the length is {} but the index is {}", const 6_usize, const 3_usize) -> [success: bb2, unwind unreachable]; // scope 1 at $DIR/optimizes_into_variable.rs:+2:13: +2:34
+      }
+  
+      bb2: {
+-         _3 = _4[_5];                     // scope 1 at $DIR/optimizes_into_variable.rs:+2:13: +2:34
++         _3 = const 3_i32;                // scope 1 at $DIR/optimizes_into_variable.rs:+2:13: +2:34
+          StorageDead(_5);                 // scope 1 at $DIR/optimizes_into_variable.rs:+2:34: +2:35
+          StorageDead(_4);                 // scope 1 at $DIR/optimizes_into_variable.rs:+2:34: +2:35
+          _9 = const 42_u32;               // scope 2 at $DIR/optimizes_into_variable.rs:+3:13: +3:36
+          StorageDead(_3);                 // scope 1 at $DIR/optimizes_into_variable.rs:+4:1: +4:2
+          StorageDead(_1);                 // scope 0 at $DIR/optimizes_into_variable.rs:+4:1: +4:2
+          return;                          // scope 0 at $DIR/optimizes_into_variable.rs:+4:2: +4:2
+      }
+  }
+  
diff --git a/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ConstProp.32bit.diff b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ConstProp.32bit.panic-unwind.diff
index 691aa01a564..691aa01a564 100644
--- a/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ConstProp.32bit.diff
+++ b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ConstProp.32bit.panic-unwind.diff
diff --git a/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ConstProp.64bit.panic-abort.diff b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ConstProp.64bit.panic-abort.diff
new file mode 100644
index 00000000000..eeb67c44126
--- /dev/null
+++ b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ConstProp.64bit.panic-abort.diff
@@ -0,0 +1,59 @@
+- // MIR for `main` before ConstProp
++ // MIR for `main` after ConstProp
+  
+  fn main() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/optimizes_into_variable.rs:+0:11: +0:11
+      let _1: i32;                         // in scope 0 at $DIR/optimizes_into_variable.rs:+1:9: +1:10
+      let mut _2: (i32, bool);             // in scope 0 at $DIR/optimizes_into_variable.rs:+1:13: +1:18
+      let mut _4: [i32; 6];                // in scope 0 at $DIR/optimizes_into_variable.rs:+2:13: +2:31
+      let _5: usize;                       // in scope 0 at $DIR/optimizes_into_variable.rs:+2:32: +2:33
+      let mut _6: usize;                   // in scope 0 at $DIR/optimizes_into_variable.rs:+2:13: +2:34
+      let mut _7: bool;                    // in scope 0 at $DIR/optimizes_into_variable.rs:+2:13: +2:34
+      let mut _9: u32;                     // in scope 0 at $DIR/optimizes_into_variable.rs:+3:13: +3:36
+      scope 1 {
+          debug x => _1;                   // in scope 1 at $DIR/optimizes_into_variable.rs:+1:9: +1:10
+          let _3: i32;                     // in scope 1 at $DIR/optimizes_into_variable.rs:+2:9: +2:10
+          scope 2 {
+              debug y => _3;               // in scope 2 at $DIR/optimizes_into_variable.rs:+2:9: +2:10
+              let _8: u32;                 // in scope 2 at $DIR/optimizes_into_variable.rs:+3:9: +3:10
+              scope 3 {
+                  debug z => _9;           // in scope 3 at $DIR/optimizes_into_variable.rs:+3:9: +3:10
+              }
+          }
+      }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/optimizes_into_variable.rs:+1:9: +1:10
+-         _2 = CheckedAdd(const 2_i32, const 2_i32); // scope 0 at $DIR/optimizes_into_variable.rs:+1:13: +1:18
+-         assert(!move (_2.1: bool), "attempt to compute `{} + {}`, which would overflow", const 2_i32, const 2_i32) -> [success: bb1, unwind unreachable]; // scope 0 at $DIR/optimizes_into_variable.rs:+1:13: +1:18
++         _2 = const (4_i32, false);       // scope 0 at $DIR/optimizes_into_variable.rs:+1:13: +1:18
++         assert(!const false, "attempt to compute `{} + {}`, which would overflow", const 2_i32, const 2_i32) -> [success: bb1, unwind unreachable]; // scope 0 at $DIR/optimizes_into_variable.rs:+1:13: +1:18
+      }
+  
+      bb1: {
+-         _1 = move (_2.0: i32);           // scope 0 at $DIR/optimizes_into_variable.rs:+1:13: +1:18
++         _1 = const 4_i32;                // scope 0 at $DIR/optimizes_into_variable.rs:+1:13: +1:18
+          StorageLive(_3);                 // scope 1 at $DIR/optimizes_into_variable.rs:+2:9: +2:10
+          StorageLive(_4);                 // scope 1 at $DIR/optimizes_into_variable.rs:+2:13: +2:31
+          _4 = [const 0_i32, const 1_i32, const 2_i32, const 3_i32, const 4_i32, const 5_i32]; // scope 1 at $DIR/optimizes_into_variable.rs:+2:13: +2:31
+          StorageLive(_5);                 // scope 1 at $DIR/optimizes_into_variable.rs:+2:32: +2:33
+          _5 = const 3_usize;              // scope 1 at $DIR/optimizes_into_variable.rs:+2:32: +2:33
+          _6 = const 6_usize;              // scope 1 at $DIR/optimizes_into_variable.rs:+2:13: +2:34
+-         _7 = Lt(_5, _6);                 // scope 1 at $DIR/optimizes_into_variable.rs:+2:13: +2:34
+-         assert(move _7, "index out of bounds: the length is {} but the index is {}", move _6, _5) -> [success: bb2, unwind unreachable]; // scope 1 at $DIR/optimizes_into_variable.rs:+2:13: +2:34
++         _7 = const true;                 // scope 1 at $DIR/optimizes_into_variable.rs:+2:13: +2:34
++         assert(const true, "index out of bounds: the length is {} but the index is {}", const 6_usize, const 3_usize) -> [success: bb2, unwind unreachable]; // scope 1 at $DIR/optimizes_into_variable.rs:+2:13: +2:34
+      }
+  
+      bb2: {
+-         _3 = _4[_5];                     // scope 1 at $DIR/optimizes_into_variable.rs:+2:13: +2:34
++         _3 = const 3_i32;                // scope 1 at $DIR/optimizes_into_variable.rs:+2:13: +2:34
+          StorageDead(_5);                 // scope 1 at $DIR/optimizes_into_variable.rs:+2:34: +2:35
+          StorageDead(_4);                 // scope 1 at $DIR/optimizes_into_variable.rs:+2:34: +2:35
+          _9 = const 42_u32;               // scope 2 at $DIR/optimizes_into_variable.rs:+3:13: +3:36
+          StorageDead(_3);                 // scope 1 at $DIR/optimizes_into_variable.rs:+4:1: +4:2
+          StorageDead(_1);                 // scope 0 at $DIR/optimizes_into_variable.rs:+4:1: +4:2
+          return;                          // scope 0 at $DIR/optimizes_into_variable.rs:+4:2: +4:2
+      }
+  }
+  
diff --git a/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ConstProp.64bit.diff b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ConstProp.64bit.panic-unwind.diff
index 691aa01a564..691aa01a564 100644
--- a/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ConstProp.64bit.diff
+++ b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ConstProp.64bit.panic-unwind.diff
diff --git a/tests/mir-opt/pre-codegen/optimizes_into_variable.main.PreCodegen.after.32bit.mir b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.PreCodegen.after.32bit.panic-abort.mir
index 7886bf19e0c..7886bf19e0c 100644
--- a/tests/mir-opt/pre-codegen/optimizes_into_variable.main.PreCodegen.after.32bit.mir
+++ b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.PreCodegen.after.32bit.panic-abort.mir
diff --git a/tests/mir-opt/pre-codegen/optimizes_into_variable.main.PreCodegen.after.64bit.mir b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.PreCodegen.after.32bit.panic-unwind.mir
index 7886bf19e0c..7886bf19e0c 100644
--- a/tests/mir-opt/pre-codegen/optimizes_into_variable.main.PreCodegen.after.64bit.mir
+++ b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.PreCodegen.after.32bit.panic-unwind.mir
diff --git a/tests/mir-opt/pre-codegen/optimizes_into_variable.main.PreCodegen.after.64bit.panic-abort.mir b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.PreCodegen.after.64bit.panic-abort.mir
new file mode 100644
index 00000000000..7886bf19e0c
--- /dev/null
+++ b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.PreCodegen.after.64bit.panic-abort.mir
@@ -0,0 +1,18 @@
+// MIR for `main` after PreCodegen
+
+fn main() -> () {
+    let mut _0: ();                      // return place in scope 0 at $DIR/optimizes_into_variable.rs:+0:11: +0:11
+    scope 1 {
+        debug x => const 4_i32;          // in scope 1 at $DIR/optimizes_into_variable.rs:+1:9: +1:10
+        scope 2 {
+            debug y => const 3_i32;      // in scope 2 at $DIR/optimizes_into_variable.rs:+2:9: +2:10
+            scope 3 {
+                debug z => const 42_u32; // in scope 3 at $DIR/optimizes_into_variable.rs:+3:9: +3:10
+            }
+        }
+    }
+
+    bb0: {
+        return;                          // scope 0 at $DIR/optimizes_into_variable.rs:+4:2: +4:2
+    }
+}
diff --git a/tests/mir-opt/pre-codegen/optimizes_into_variable.main.PreCodegen.after.64bit.panic-unwind.mir b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.PreCodegen.after.64bit.panic-unwind.mir
new file mode 100644
index 00000000000..7886bf19e0c
--- /dev/null
+++ b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.PreCodegen.after.64bit.panic-unwind.mir
@@ -0,0 +1,18 @@
+// MIR for `main` after PreCodegen
+
+fn main() -> () {
+    let mut _0: ();                      // return place in scope 0 at $DIR/optimizes_into_variable.rs:+0:11: +0:11
+    scope 1 {
+        debug x => const 4_i32;          // in scope 1 at $DIR/optimizes_into_variable.rs:+1:9: +1:10
+        scope 2 {
+            debug y => const 3_i32;      // in scope 2 at $DIR/optimizes_into_variable.rs:+2:9: +2:10
+            scope 3 {
+                debug z => const 42_u32; // in scope 3 at $DIR/optimizes_into_variable.rs:+3:9: +3:10
+            }
+        }
+    }
+
+    bb0: {
+        return;                          // scope 0 at $DIR/optimizes_into_variable.rs:+4:2: +4:2
+    }
+}
diff --git a/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ScalarReplacementOfAggregates.32bit.panic-abort.diff b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ScalarReplacementOfAggregates.32bit.panic-abort.diff
new file mode 100644
index 00000000000..2c0e15fc74a
--- /dev/null
+++ b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ScalarReplacementOfAggregates.32bit.panic-abort.diff
@@ -0,0 +1,71 @@
+- // MIR for `main` before ScalarReplacementOfAggregates
++ // MIR for `main` after ScalarReplacementOfAggregates
+  
+  fn main() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/optimizes_into_variable.rs:+0:11: +0:11
+      let _1: i32;                         // in scope 0 at $DIR/optimizes_into_variable.rs:+1:9: +1:10
+      let mut _2: (i32, bool);             // in scope 0 at $DIR/optimizes_into_variable.rs:+1:13: +1:18
+      let mut _4: [i32; 6];                // in scope 0 at $DIR/optimizes_into_variable.rs:+2:13: +2:31
+      let _5: usize;                       // in scope 0 at $DIR/optimizes_into_variable.rs:+2:32: +2:33
+      let mut _6: usize;                   // in scope 0 at $DIR/optimizes_into_variable.rs:+2:13: +2:34
+      let mut _7: bool;                    // in scope 0 at $DIR/optimizes_into_variable.rs:+2:13: +2:34
+      let mut _9: Point;                   // in scope 0 at $DIR/optimizes_into_variable.rs:+3:13: +3:36
++     let mut _10: u32;                    // in scope 0 at $DIR/optimizes_into_variable.rs:+3:13: +3:36
++     let mut _11: u32;                    // in scope 0 at $DIR/optimizes_into_variable.rs:+3:13: +3:36
+      scope 1 {
+          debug x => _1;                   // in scope 1 at $DIR/optimizes_into_variable.rs:+1:9: +1:10
+          let _3: i32;                     // in scope 1 at $DIR/optimizes_into_variable.rs:+2:9: +2:10
+          scope 2 {
+              debug y => _3;               // in scope 2 at $DIR/optimizes_into_variable.rs:+2:9: +2:10
+              let _8: u32;                 // in scope 2 at $DIR/optimizes_into_variable.rs:+3:9: +3:10
+              scope 3 {
+                  debug z => _8;           // in scope 3 at $DIR/optimizes_into_variable.rs:+3:9: +3:10
+              }
+          }
+      }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/optimizes_into_variable.rs:+1:9: +1:10
+          _2 = CheckedAdd(const 2_i32, const 2_i32); // scope 0 at $DIR/optimizes_into_variable.rs:+1:13: +1:18
+          assert(!move (_2.1: bool), "attempt to compute `{} + {}`, which would overflow", const 2_i32, const 2_i32) -> [success: bb1, unwind unreachable]; // scope 0 at $DIR/optimizes_into_variable.rs:+1:13: +1:18
+      }
+  
+      bb1: {
+          _1 = move (_2.0: i32);           // scope 0 at $DIR/optimizes_into_variable.rs:+1:13: +1:18
+          StorageLive(_3);                 // scope 1 at $DIR/optimizes_into_variable.rs:+2:9: +2:10
+          StorageLive(_4);                 // scope 1 at $DIR/optimizes_into_variable.rs:+2:13: +2:31
+          _4 = [const 0_i32, const 1_i32, const 2_i32, const 3_i32, const 4_i32, const 5_i32]; // scope 1 at $DIR/optimizes_into_variable.rs:+2:13: +2:31
+          StorageLive(_5);                 // scope 1 at $DIR/optimizes_into_variable.rs:+2:32: +2:33
+          _5 = const 3_usize;              // scope 1 at $DIR/optimizes_into_variable.rs:+2:32: +2:33
+          _6 = Len(_4);                    // scope 1 at $DIR/optimizes_into_variable.rs:+2:13: +2:34
+          _7 = Lt(_5, _6);                 // scope 1 at $DIR/optimizes_into_variable.rs:+2:13: +2:34
+          assert(move _7, "index out of bounds: the length is {} but the index is {}", move _6, _5) -> [success: bb2, unwind unreachable]; // scope 1 at $DIR/optimizes_into_variable.rs:+2:13: +2:34
+      }
+  
+      bb2: {
+          _3 = _4[_5];                     // scope 1 at $DIR/optimizes_into_variable.rs:+2:13: +2:34
+          StorageDead(_5);                 // scope 1 at $DIR/optimizes_into_variable.rs:+2:34: +2:35
+          StorageDead(_4);                 // scope 1 at $DIR/optimizes_into_variable.rs:+2:34: +2:35
+          StorageLive(_8);                 // scope 2 at $DIR/optimizes_into_variable.rs:+3:9: +3:10
+-         StorageLive(_9);                 // scope 2 at $DIR/optimizes_into_variable.rs:+3:13: +3:36
+-         _9 = Point { x: const 12_u32, y: const 42_u32 }; // scope 2 at $DIR/optimizes_into_variable.rs:+3:13: +3:36
+-         _8 = (_9.1: u32);                // scope 2 at $DIR/optimizes_into_variable.rs:+3:13: +3:38
+-         StorageDead(_9);                 // scope 2 at $DIR/optimizes_into_variable.rs:+3:38: +3:39
++         StorageLive(_10);                // scope 2 at $DIR/optimizes_into_variable.rs:+3:13: +3:36
++         StorageLive(_11);                // scope 2 at $DIR/optimizes_into_variable.rs:+3:13: +3:36
++         nop;                             // scope 2 at $DIR/optimizes_into_variable.rs:+3:13: +3:36
++         _10 = const 12_u32;              // scope 2 at $DIR/optimizes_into_variable.rs:+3:13: +3:36
++         _11 = const 42_u32;              // scope 2 at $DIR/optimizes_into_variable.rs:+3:13: +3:36
++         nop;                             // scope 2 at $DIR/optimizes_into_variable.rs:+3:13: +3:36
++         _8 = _11;                        // scope 2 at $DIR/optimizes_into_variable.rs:+3:13: +3:38
++         StorageDead(_10);                // scope 2 at $DIR/optimizes_into_variable.rs:+3:38: +3:39
++         StorageDead(_11);                // scope 2 at $DIR/optimizes_into_variable.rs:+3:38: +3:39
++         nop;                             // scope 2 at $DIR/optimizes_into_variable.rs:+3:38: +3:39
+          nop;                             // scope 0 at $DIR/optimizes_into_variable.rs:+0:11: +4:2
+          StorageDead(_8);                 // scope 2 at $DIR/optimizes_into_variable.rs:+4:1: +4:2
+          StorageDead(_3);                 // scope 1 at $DIR/optimizes_into_variable.rs:+4:1: +4:2
+          StorageDead(_1);                 // scope 0 at $DIR/optimizes_into_variable.rs:+4:1: +4:2
+          return;                          // scope 0 at $DIR/optimizes_into_variable.rs:+4:2: +4:2
+      }
+  }
+  
diff --git a/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ScalarReplacementOfAggregates.32bit.diff b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ScalarReplacementOfAggregates.32bit.panic-unwind.diff
index 98cd020dade..98cd020dade 100644
--- a/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ScalarReplacementOfAggregates.32bit.diff
+++ b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ScalarReplacementOfAggregates.32bit.panic-unwind.diff
diff --git a/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ScalarReplacementOfAggregates.64bit.panic-abort.diff b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ScalarReplacementOfAggregates.64bit.panic-abort.diff
new file mode 100644
index 00000000000..2c0e15fc74a
--- /dev/null
+++ b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ScalarReplacementOfAggregates.64bit.panic-abort.diff
@@ -0,0 +1,71 @@
+- // MIR for `main` before ScalarReplacementOfAggregates
++ // MIR for `main` after ScalarReplacementOfAggregates
+  
+  fn main() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/optimizes_into_variable.rs:+0:11: +0:11
+      let _1: i32;                         // in scope 0 at $DIR/optimizes_into_variable.rs:+1:9: +1:10
+      let mut _2: (i32, bool);             // in scope 0 at $DIR/optimizes_into_variable.rs:+1:13: +1:18
+      let mut _4: [i32; 6];                // in scope 0 at $DIR/optimizes_into_variable.rs:+2:13: +2:31
+      let _5: usize;                       // in scope 0 at $DIR/optimizes_into_variable.rs:+2:32: +2:33
+      let mut _6: usize;                   // in scope 0 at $DIR/optimizes_into_variable.rs:+2:13: +2:34
+      let mut _7: bool;                    // in scope 0 at $DIR/optimizes_into_variable.rs:+2:13: +2:34
+      let mut _9: Point;                   // in scope 0 at $DIR/optimizes_into_variable.rs:+3:13: +3:36
++     let mut _10: u32;                    // in scope 0 at $DIR/optimizes_into_variable.rs:+3:13: +3:36
++     let mut _11: u32;                    // in scope 0 at $DIR/optimizes_into_variable.rs:+3:13: +3:36
+      scope 1 {
+          debug x => _1;                   // in scope 1 at $DIR/optimizes_into_variable.rs:+1:9: +1:10
+          let _3: i32;                     // in scope 1 at $DIR/optimizes_into_variable.rs:+2:9: +2:10
+          scope 2 {
+              debug y => _3;               // in scope 2 at $DIR/optimizes_into_variable.rs:+2:9: +2:10
+              let _8: u32;                 // in scope 2 at $DIR/optimizes_into_variable.rs:+3:9: +3:10
+              scope 3 {
+                  debug z => _8;           // in scope 3 at $DIR/optimizes_into_variable.rs:+3:9: +3:10
+              }
+          }
+      }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/optimizes_into_variable.rs:+1:9: +1:10
+          _2 = CheckedAdd(const 2_i32, const 2_i32); // scope 0 at $DIR/optimizes_into_variable.rs:+1:13: +1:18
+          assert(!move (_2.1: bool), "attempt to compute `{} + {}`, which would overflow", const 2_i32, const 2_i32) -> [success: bb1, unwind unreachable]; // scope 0 at $DIR/optimizes_into_variable.rs:+1:13: +1:18
+      }
+  
+      bb1: {
+          _1 = move (_2.0: i32);           // scope 0 at $DIR/optimizes_into_variable.rs:+1:13: +1:18
+          StorageLive(_3);                 // scope 1 at $DIR/optimizes_into_variable.rs:+2:9: +2:10
+          StorageLive(_4);                 // scope 1 at $DIR/optimizes_into_variable.rs:+2:13: +2:31
+          _4 = [const 0_i32, const 1_i32, const 2_i32, const 3_i32, const 4_i32, const 5_i32]; // scope 1 at $DIR/optimizes_into_variable.rs:+2:13: +2:31
+          StorageLive(_5);                 // scope 1 at $DIR/optimizes_into_variable.rs:+2:32: +2:33
+          _5 = const 3_usize;              // scope 1 at $DIR/optimizes_into_variable.rs:+2:32: +2:33
+          _6 = Len(_4);                    // scope 1 at $DIR/optimizes_into_variable.rs:+2:13: +2:34
+          _7 = Lt(_5, _6);                 // scope 1 at $DIR/optimizes_into_variable.rs:+2:13: +2:34
+          assert(move _7, "index out of bounds: the length is {} but the index is {}", move _6, _5) -> [success: bb2, unwind unreachable]; // scope 1 at $DIR/optimizes_into_variable.rs:+2:13: +2:34
+      }
+  
+      bb2: {
+          _3 = _4[_5];                     // scope 1 at $DIR/optimizes_into_variable.rs:+2:13: +2:34
+          StorageDead(_5);                 // scope 1 at $DIR/optimizes_into_variable.rs:+2:34: +2:35
+          StorageDead(_4);                 // scope 1 at $DIR/optimizes_into_variable.rs:+2:34: +2:35
+          StorageLive(_8);                 // scope 2 at $DIR/optimizes_into_variable.rs:+3:9: +3:10
+-         StorageLive(_9);                 // scope 2 at $DIR/optimizes_into_variable.rs:+3:13: +3:36
+-         _9 = Point { x: const 12_u32, y: const 42_u32 }; // scope 2 at $DIR/optimizes_into_variable.rs:+3:13: +3:36
+-         _8 = (_9.1: u32);                // scope 2 at $DIR/optimizes_into_variable.rs:+3:13: +3:38
+-         StorageDead(_9);                 // scope 2 at $DIR/optimizes_into_variable.rs:+3:38: +3:39
++         StorageLive(_10);                // scope 2 at $DIR/optimizes_into_variable.rs:+3:13: +3:36
++         StorageLive(_11);                // scope 2 at $DIR/optimizes_into_variable.rs:+3:13: +3:36
++         nop;                             // scope 2 at $DIR/optimizes_into_variable.rs:+3:13: +3:36
++         _10 = const 12_u32;              // scope 2 at $DIR/optimizes_into_variable.rs:+3:13: +3:36
++         _11 = const 42_u32;              // scope 2 at $DIR/optimizes_into_variable.rs:+3:13: +3:36
++         nop;                             // scope 2 at $DIR/optimizes_into_variable.rs:+3:13: +3:36
++         _8 = _11;                        // scope 2 at $DIR/optimizes_into_variable.rs:+3:13: +3:38
++         StorageDead(_10);                // scope 2 at $DIR/optimizes_into_variable.rs:+3:38: +3:39
++         StorageDead(_11);                // scope 2 at $DIR/optimizes_into_variable.rs:+3:38: +3:39
++         nop;                             // scope 2 at $DIR/optimizes_into_variable.rs:+3:38: +3:39
+          nop;                             // scope 0 at $DIR/optimizes_into_variable.rs:+0:11: +4:2
+          StorageDead(_8);                 // scope 2 at $DIR/optimizes_into_variable.rs:+4:1: +4:2
+          StorageDead(_3);                 // scope 1 at $DIR/optimizes_into_variable.rs:+4:1: +4:2
+          StorageDead(_1);                 // scope 0 at $DIR/optimizes_into_variable.rs:+4:1: +4:2
+          return;                          // scope 0 at $DIR/optimizes_into_variable.rs:+4:2: +4:2
+      }
+  }
+  
diff --git a/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ScalarReplacementOfAggregates.64bit.diff b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ScalarReplacementOfAggregates.64bit.panic-unwind.diff
index 98cd020dade..98cd020dade 100644
--- a/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ScalarReplacementOfAggregates.64bit.diff
+++ b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ScalarReplacementOfAggregates.64bit.panic-unwind.diff
diff --git a/tests/mir-opt/pre-codegen/optimizes_into_variable.main.SimplifyLocals-final.after.32bit.mir b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.SimplifyLocals-final.after.32bit.panic-abort.mir
index 5bea94c7fe8..5bea94c7fe8 100644
--- a/tests/mir-opt/pre-codegen/optimizes_into_variable.main.SimplifyLocals-final.after.32bit.mir
+++ b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.SimplifyLocals-final.after.32bit.panic-abort.mir
diff --git a/tests/mir-opt/pre-codegen/optimizes_into_variable.main.SimplifyLocals-final.after.64bit.mir b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.SimplifyLocals-final.after.32bit.panic-unwind.mir
index 5bea94c7fe8..5bea94c7fe8 100644
--- a/tests/mir-opt/pre-codegen/optimizes_into_variable.main.SimplifyLocals-final.after.64bit.mir
+++ b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.SimplifyLocals-final.after.32bit.panic-unwind.mir
diff --git a/tests/mir-opt/pre-codegen/optimizes_into_variable.main.SimplifyLocals-final.after.64bit.panic-abort.mir b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.SimplifyLocals-final.after.64bit.panic-abort.mir
new file mode 100644
index 00000000000..5bea94c7fe8
--- /dev/null
+++ b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.SimplifyLocals-final.after.64bit.panic-abort.mir
@@ -0,0 +1,18 @@
+// MIR for `main` after SimplifyLocals-final
+
+fn main() -> () {
+    let mut _0: ();                      // return place in scope 0 at $DIR/optimizes_into_variable.rs:+0:11: +0:11
+    scope 1 {
+        debug x => const 4_i32;          // in scope 1 at $DIR/optimizes_into_variable.rs:+1:9: +1:10
+        scope 2 {
+            debug y => const 3_i32;      // in scope 2 at $DIR/optimizes_into_variable.rs:+2:9: +2:10
+            scope 3 {
+                debug z => const 42_u32; // in scope 3 at $DIR/optimizes_into_variable.rs:+3:9: +3:10
+            }
+        }
+    }
+
+    bb0: {
+        return;                          // scope 0 at $DIR/optimizes_into_variable.rs:+4:2: +4:2
+    }
+}
diff --git a/tests/mir-opt/pre-codegen/optimizes_into_variable.main.SimplifyLocals-final.after.64bit.panic-unwind.mir b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.SimplifyLocals-final.after.64bit.panic-unwind.mir
new file mode 100644
index 00000000000..5bea94c7fe8
--- /dev/null
+++ b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.SimplifyLocals-final.after.64bit.panic-unwind.mir
@@ -0,0 +1,18 @@
+// MIR for `main` after SimplifyLocals-final
+
+fn main() -> () {
+    let mut _0: ();                      // return place in scope 0 at $DIR/optimizes_into_variable.rs:+0:11: +0:11
+    scope 1 {
+        debug x => const 4_i32;          // in scope 1 at $DIR/optimizes_into_variable.rs:+1:9: +1:10
+        scope 2 {
+            debug y => const 3_i32;      // in scope 2 at $DIR/optimizes_into_variable.rs:+2:9: +2:10
+            scope 3 {
+                debug z => const 42_u32; // in scope 3 at $DIR/optimizes_into_variable.rs:+3:9: +3:10
+            }
+        }
+    }
+
+    bb0: {
+        return;                          // scope 0 at $DIR/optimizes_into_variable.rs:+4:2: +4:2
+    }
+}
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
new file mode 100644
index 00000000000..d150a57a898
--- /dev/null
+++ b/tests/mir-opt/pre-codegen/range_iter.forward_loop.PreCodegen.after.panic-abort.mir
@@ -0,0 +1,137 @@
+// MIR for `forward_loop` after PreCodegen
+
+fn forward_loop(_1: u32, _2: u32, _3: impl Fn(u32)) -> () {
+    debug start => _1;                   // in scope 0 at $DIR/range_iter.rs:+0:21: +0:26
+    debug end => _2;                     // in scope 0 at $DIR/range_iter.rs:+0:33: +0:36
+    debug f => _3;                       // in scope 0 at $DIR/range_iter.rs:+0:43: +0:44
+    let mut _0: ();                      // return place in scope 0 at $DIR/range_iter.rs:+0:60: +0:60
+    let mut _4: std::ops::Range<u32>;    // in scope 0 at $DIR/range_iter.rs:+1:14: +1:24
+    let mut _5: std::ops::Range<u32>;    // in scope 0 at $DIR/range_iter.rs:+1:14: +1:24
+    let mut _6: &mut std::ops::Range<u32>; // in scope 0 at $DIR/range_iter.rs:+1:14: +1:24
+    let mut _12: std::option::Option<u32>; // in scope 0 at $DIR/range_iter.rs:+1:14: +1:24
+    let mut _15: isize;                  // in scope 0 at $DIR/range_iter.rs:+1:5: +3:6
+    let mut _17: &impl Fn(u32);          // in scope 0 at $DIR/range_iter.rs:+2:9: +2:10
+    let mut _18: (u32,);                 // in scope 0 at $DIR/range_iter.rs:+2:9: +2:13
+    let _19: ();                         // in scope 0 at $DIR/range_iter.rs:+1:14: +1:24
+    scope 1 {
+        debug iter => _5;                // in scope 1 at $DIR/range_iter.rs:+1:14: +1:24
+        let _16: u32;                    // in scope 1 at $DIR/range_iter.rs:+1:9: +1:10
+        scope 2 {
+            debug x => _16;              // in scope 2 at $DIR/range_iter.rs:+1:9: +1:10
+        }
+        scope 4 (inlined iter::range::<impl Iterator for std::ops::Range<u32>>::next) { // at $DIR/range_iter.rs:22:14: 22:24
+            debug self => _6;            // in scope 4 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+            scope 5 (inlined <std::ops::Range<u32> as iter::range::RangeIteratorImpl>::spec_next) { // at $SRC_DIR/core/src/iter/range.rs:LL:COL
+                debug self => _6;        // in scope 5 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+                let mut _7: &u32;        // in scope 5 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+                let mut _8: &u32;        // in scope 5 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+                let mut _11: bool;       // in scope 5 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+                let _13: u32;            // in scope 5 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+                let mut _14: u32;        // in scope 5 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+                scope 6 {
+                    debug old => _13;    // in scope 6 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+                    scope 7 {
+                    }
+                }
+                scope 8 (inlined cmp::impls::<impl PartialOrd for u32>::lt) { // at $SRC_DIR/core/src/iter/range.rs:LL:COL
+                    debug self => _7;    // in scope 8 at $SRC_DIR/core/src/cmp.rs:LL:COL
+                    debug other => _8;   // in scope 8 at $SRC_DIR/core/src/cmp.rs:LL:COL
+                    let mut _9: u32;     // in scope 8 at $SRC_DIR/core/src/cmp.rs:LL:COL
+                    let mut _10: u32;    // in scope 8 at $SRC_DIR/core/src/cmp.rs:LL:COL
+                }
+            }
+        }
+    }
+    scope 3 (inlined <std::ops::Range<u32> as IntoIterator>::into_iter) { // at $DIR/range_iter.rs:22:14: 22:24
+        debug self => _4;                // in scope 3 at $SRC_DIR/core/src/iter/traits/collect.rs:LL:COL
+    }
+
+    bb0: {
+        _4 = std::ops::Range::<u32> { start: _1, end: _2 }; // scope 0 at $DIR/range_iter.rs:+1:14: +1:24
+        StorageLive(_5);                 // scope 0 at $DIR/range_iter.rs:+1:14: +1:24
+        _5 = move _4;                    // scope 0 at $DIR/range_iter.rs:+1:14: +1:24
+        goto -> bb1;                     // scope 1 at $DIR/range_iter.rs:+1:5: +3:6
+    }
+
+    bb1: {
+        StorageLive(_12);                // scope 1 at $DIR/range_iter.rs:+1:14: +1:24
+        _6 = &mut _5;                    // scope 1 at $DIR/range_iter.rs:+1:14: +1:24
+        StorageLive(_13);                // scope 4 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+        StorageLive(_11);                // scope 5 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+        StorageLive(_7);                 // scope 5 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+        _7 = &((*_6).0: u32);            // scope 5 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+        StorageLive(_8);                 // scope 5 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+        _8 = &((*_6).1: u32);            // scope 5 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+        StorageLive(_9);                 // scope 8 at $SRC_DIR/core/src/cmp.rs:LL:COL
+        _9 = (*_7);                      // scope 8 at $SRC_DIR/core/src/cmp.rs:LL:COL
+        StorageLive(_10);                // scope 8 at $SRC_DIR/core/src/cmp.rs:LL:COL
+        _10 = (*_8);                     // scope 8 at $SRC_DIR/core/src/cmp.rs:LL:COL
+        _11 = Lt(move _9, move _10);     // scope 8 at $SRC_DIR/core/src/cmp.rs:LL:COL
+        StorageDead(_10);                // scope 8 at $SRC_DIR/core/src/cmp.rs:LL:COL
+        StorageDead(_9);                 // scope 8 at $SRC_DIR/core/src/cmp.rs:LL:COL
+        StorageDead(_8);                 // scope 5 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+        StorageDead(_7);                 // scope 5 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+        switchInt(move _11) -> [0: bb2, otherwise: bb3]; // scope 5 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+    }
+
+    bb2: {
+        _12 = Option::<u32>::None;       // scope 5 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+        goto -> bb5;                     // scope 5 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+    }
+
+    bb3: {
+        _13 = ((*_6).0: u32);            // scope 5 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+        StorageLive(_14);                // scope 6 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+        _14 = <u32 as Step>::forward_unchecked(_13, const 1_usize) -> [return: bb4, unwind unreachable]; // scope 7 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+                                         // mir::Constant
+                                         // + span: $SRC_DIR/core/src/iter/range.rs:LL:COL
+                                         // + literal: Const { ty: unsafe fn(u32, usize) -> u32 {<u32 as Step>::forward_unchecked}, val: Value(<ZST>) }
+    }
+
+    bb4: {
+        ((*_6).0: u32) = move _14;       // scope 6 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+        StorageDead(_14);                // scope 6 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+        _12 = Option::<u32>::Some(_13);  // scope 6 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+        goto -> bb5;                     // scope 5 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+    }
+
+    bb5: {
+        StorageDead(_11);                // scope 5 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+        StorageDead(_13);                // scope 4 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+        _15 = discriminant(_12);         // scope 1 at $DIR/range_iter.rs:+1:14: +1:24
+        switchInt(move _15) -> [0: bb6, 1: bb8, otherwise: bb10]; // scope 1 at $DIR/range_iter.rs:+1:14: +1:24
+    }
+
+    bb6: {
+        StorageDead(_12);                // scope 1 at $DIR/range_iter.rs:+3:5: +3:6
+        StorageDead(_5);                 // scope 0 at $DIR/range_iter.rs:+3:5: +3:6
+        drop(_3) -> [return: bb7, unwind unreachable]; // scope 0 at $DIR/range_iter.rs:+4:1: +4:2
+    }
+
+    bb7: {
+        return;                          // scope 0 at $DIR/range_iter.rs:+4:2: +4:2
+    }
+
+    bb8: {
+        _16 = ((_12 as Some).0: u32);    // scope 1 at $DIR/range_iter.rs:+1:9: +1:10
+        StorageLive(_17);                // scope 2 at $DIR/range_iter.rs:+2:9: +2:10
+        _17 = &_3;                       // scope 2 at $DIR/range_iter.rs:+2:9: +2:10
+        StorageLive(_18);                // scope 2 at $DIR/range_iter.rs:+2:9: +2:13
+        _18 = (_16,);                    // scope 2 at $DIR/range_iter.rs:+2:9: +2:13
+        _19 = <impl Fn(u32) as Fn<(u32,)>>::call(move _17, move _18) -> [return: bb9, unwind unreachable]; // scope 2 at $DIR/range_iter.rs:+2:9: +2:13
+                                         // mir::Constant
+                                         // + span: $DIR/range_iter.rs:23:9: 23:10
+                                         // + literal: Const { ty: for<'a> extern "rust-call" fn(&'a impl Fn(u32), (u32,)) -> <impl Fn(u32) as FnOnce<(u32,)>>::Output {<impl Fn(u32) as Fn<(u32,)>>::call}, val: Value(<ZST>) }
+    }
+
+    bb9: {
+        StorageDead(_18);                // scope 2 at $DIR/range_iter.rs:+2:12: +2:13
+        StorageDead(_17);                // scope 2 at $DIR/range_iter.rs:+2:12: +2:13
+        StorageDead(_12);                // scope 1 at $DIR/range_iter.rs:+3:5: +3:6
+        goto -> bb1;                     // scope 1 at $DIR/range_iter.rs:+1:5: +3:6
+    }
+
+    bb10: {
+        unreachable;                     // scope 1 at $DIR/range_iter.rs:+1:14: +1:24
+    }
+}
diff --git a/tests/mir-opt/pre-codegen/range_iter.forward_loop.PreCodegen.after.mir b/tests/mir-opt/pre-codegen/range_iter.forward_loop.PreCodegen.after.panic-unwind.mir
index 06a4e35f1f9..28ec230619f 100644
--- a/tests/mir-opt/pre-codegen/range_iter.forward_loop.PreCodegen.after.mir
+++ b/tests/mir-opt/pre-codegen/range_iter.forward_loop.PreCodegen.after.panic-unwind.mir
@@ -19,7 +19,7 @@ fn forward_loop(_1: u32, _2: u32, _3: impl Fn(u32)) -> () {
         scope 2 {
             debug x => _16;              // in scope 2 at $DIR/range_iter.rs:+1:9: +1:10
         }
-        scope 4 (inlined iter::range::<impl Iterator for std::ops::Range<u32>>::next) { // at $DIR/range_iter.rs:21:14: 21:24
+        scope 4 (inlined iter::range::<impl Iterator for std::ops::Range<u32>>::next) { // at $DIR/range_iter.rs:22:14: 22:24
             debug self => _6;            // in scope 4 at $SRC_DIR/core/src/iter/range.rs:LL:COL
             scope 5 (inlined <std::ops::Range<u32> as iter::range::RangeIteratorImpl>::spec_next) { // at $SRC_DIR/core/src/iter/range.rs:LL:COL
                 debug self => _6;        // in scope 5 at $SRC_DIR/core/src/iter/range.rs:LL:COL
@@ -42,7 +42,7 @@ fn forward_loop(_1: u32, _2: u32, _3: impl Fn(u32)) -> () {
             }
         }
     }
-    scope 3 (inlined <std::ops::Range<u32> as IntoIterator>::into_iter) { // at $DIR/range_iter.rs:21:14: 21:24
+    scope 3 (inlined <std::ops::Range<u32> as IntoIterator>::into_iter) { // at $DIR/range_iter.rs:22:14: 22:24
         debug self => _4;                // in scope 3 at $SRC_DIR/core/src/iter/traits/collect.rs:LL:COL
     }
 
@@ -120,7 +120,7 @@ fn forward_loop(_1: u32, _2: u32, _3: impl Fn(u32)) -> () {
         _18 = (_16,);                    // scope 2 at $DIR/range_iter.rs:+2:9: +2:13
         _19 = <impl Fn(u32) as Fn<(u32,)>>::call(move _17, move _18) -> [return: bb9, unwind: bb11]; // scope 2 at $DIR/range_iter.rs:+2:9: +2:13
                                          // mir::Constant
-                                         // + span: $DIR/range_iter.rs:22:9: 22:10
+                                         // + span: $DIR/range_iter.rs:23:9: 23:10
                                          // + literal: Const { ty: for<'a> extern "rust-call" fn(&'a impl Fn(u32), (u32,)) -> <impl Fn(u32) as FnOnce<(u32,)>>::Output {<impl Fn(u32) as Fn<(u32,)>>::call}, val: Value(<ZST>) }
     }
 
diff --git a/tests/mir-opt/pre-codegen/range_iter.inclusive_loop.PreCodegen.after.panic-abort.mir b/tests/mir-opt/pre-codegen/range_iter.inclusive_loop.PreCodegen.after.panic-abort.mir
new file mode 100644
index 00000000000..e242f519c5d
--- /dev/null
+++ b/tests/mir-opt/pre-codegen/range_iter.inclusive_loop.PreCodegen.after.panic-abort.mir
@@ -0,0 +1,87 @@
+// MIR for `inclusive_loop` after PreCodegen
+
+fn inclusive_loop(_1: u32, _2: u32, _3: impl Fn(u32)) -> () {
+    debug start => _1;                   // in scope 0 at $DIR/range_iter.rs:+0:23: +0:28
+    debug end => _2;                     // in scope 0 at $DIR/range_iter.rs:+0:35: +0:38
+    debug f => _3;                       // in scope 0 at $DIR/range_iter.rs:+0:45: +0:46
+    let mut _0: ();                      // return place in scope 0 at $DIR/range_iter.rs:+0:62: +0:62
+    let mut _4: std::ops::RangeInclusive<u32>; // in scope 0 at $DIR/range_iter.rs:+1:14: +1:25
+    let mut _5: std::ops::RangeInclusive<u32>; // in scope 0 at $DIR/range_iter.rs:+1:14: +1:25
+    let mut _6: &mut std::ops::RangeInclusive<u32>; // in scope 0 at $DIR/range_iter.rs:+1:14: +1:25
+    let mut _7: std::option::Option<u32>; // in scope 0 at $DIR/range_iter.rs:+1:14: +1:25
+    let mut _8: isize;                   // in scope 0 at $DIR/range_iter.rs:+1:5: +3:6
+    let mut _10: &impl Fn(u32);          // in scope 0 at $DIR/range_iter.rs:+2:9: +2:10
+    let mut _11: (u32,);                 // in scope 0 at $DIR/range_iter.rs:+2:9: +2:13
+    let _12: ();                         // in scope 0 at $DIR/range_iter.rs:+1:14: +1:25
+    scope 1 {
+        debug iter => _5;                // in scope 1 at $DIR/range_iter.rs:+1:14: +1:25
+        let _9: u32;                     // in scope 1 at $DIR/range_iter.rs:+1:9: +1:10
+        scope 2 {
+            debug x => _9;               // in scope 2 at $DIR/range_iter.rs:+1:9: +1:10
+        }
+        scope 5 (inlined iter::range::<impl Iterator for RangeInclusive<u32>>::next) { // at $DIR/range_iter.rs:29:14: 29:25
+            debug self => _6;            // in scope 5 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+        }
+    }
+    scope 3 (inlined RangeInclusive::<u32>::new) { // at $DIR/range_iter.rs:29:14: 29:25
+        debug start => _1;               // in scope 3 at $SRC_DIR/core/src/ops/range.rs:LL:COL
+        debug end => _2;                 // in scope 3 at $SRC_DIR/core/src/ops/range.rs:LL:COL
+    }
+    scope 4 (inlined <RangeInclusive<u32> as IntoIterator>::into_iter) { // at $DIR/range_iter.rs:29:14: 29:25
+        debug self => _4;                // in scope 4 at $SRC_DIR/core/src/iter/traits/collect.rs:LL:COL
+    }
+
+    bb0: {
+        _4 = RangeInclusive::<u32> { start: _1, end: _2, exhausted: const false }; // scope 3 at $SRC_DIR/core/src/ops/range.rs:LL:COL
+        StorageLive(_5);                 // scope 0 at $DIR/range_iter.rs:+1:14: +1:25
+        _5 = move _4;                    // scope 0 at $DIR/range_iter.rs:+1:14: +1:25
+        goto -> bb1;                     // scope 1 at $DIR/range_iter.rs:+1:5: +3:6
+    }
+
+    bb1: {
+        StorageLive(_7);                 // scope 1 at $DIR/range_iter.rs:+1:14: +1:25
+        _6 = &mut _5;                    // scope 1 at $DIR/range_iter.rs:+1:14: +1:25
+        _7 = <RangeInclusive<u32> as iter::range::RangeInclusiveIteratorImpl>::spec_next(_6) -> [return: bb2, unwind unreachable]; // scope 5 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+                                         // mir::Constant
+                                         // + span: $SRC_DIR/core/src/iter/range.rs:LL:COL
+                                         // + literal: Const { ty: for<'a> fn(&'a mut RangeInclusive<u32>) -> Option<<RangeInclusive<u32> as iter::range::RangeInclusiveIteratorImpl>::Item> {<RangeInclusive<u32> as iter::range::RangeInclusiveIteratorImpl>::spec_next}, val: Value(<ZST>) }
+    }
+
+    bb2: {
+        _8 = discriminant(_7);           // scope 1 at $DIR/range_iter.rs:+1:14: +1:25
+        switchInt(move _8) -> [0: bb3, 1: bb5, otherwise: bb7]; // scope 1 at $DIR/range_iter.rs:+1:14: +1:25
+    }
+
+    bb3: {
+        StorageDead(_7);                 // scope 1 at $DIR/range_iter.rs:+3:5: +3:6
+        StorageDead(_5);                 // scope 0 at $DIR/range_iter.rs:+3:5: +3:6
+        drop(_3) -> [return: bb4, unwind unreachable]; // scope 0 at $DIR/range_iter.rs:+4:1: +4:2
+    }
+
+    bb4: {
+        return;                          // scope 0 at $DIR/range_iter.rs:+4:2: +4:2
+    }
+
+    bb5: {
+        _9 = ((_7 as Some).0: u32);      // scope 1 at $DIR/range_iter.rs:+1:9: +1:10
+        StorageLive(_10);                // scope 2 at $DIR/range_iter.rs:+2:9: +2:10
+        _10 = &_3;                       // scope 2 at $DIR/range_iter.rs:+2:9: +2:10
+        StorageLive(_11);                // scope 2 at $DIR/range_iter.rs:+2:9: +2:13
+        _11 = (_9,);                     // scope 2 at $DIR/range_iter.rs:+2:9: +2:13
+        _12 = <impl Fn(u32) as Fn<(u32,)>>::call(move _10, move _11) -> [return: bb6, unwind unreachable]; // scope 2 at $DIR/range_iter.rs:+2:9: +2:13
+                                         // mir::Constant
+                                         // + span: $DIR/range_iter.rs:30:9: 30:10
+                                         // + literal: Const { ty: for<'a> extern "rust-call" fn(&'a impl Fn(u32), (u32,)) -> <impl Fn(u32) as FnOnce<(u32,)>>::Output {<impl Fn(u32) as Fn<(u32,)>>::call}, val: Value(<ZST>) }
+    }
+
+    bb6: {
+        StorageDead(_11);                // scope 2 at $DIR/range_iter.rs:+2:12: +2:13
+        StorageDead(_10);                // scope 2 at $DIR/range_iter.rs:+2:12: +2:13
+        StorageDead(_7);                 // scope 1 at $DIR/range_iter.rs:+3:5: +3:6
+        goto -> bb1;                     // scope 1 at $DIR/range_iter.rs:+1:5: +3:6
+    }
+
+    bb7: {
+        unreachable;                     // scope 1 at $DIR/range_iter.rs:+1:14: +1:25
+    }
+}
diff --git a/tests/mir-opt/pre-codegen/range_iter.inclusive_loop.PreCodegen.after.mir b/tests/mir-opt/pre-codegen/range_iter.inclusive_loop.PreCodegen.after.panic-unwind.mir
index a187d650a77..e24bcb3045d 100644
--- a/tests/mir-opt/pre-codegen/range_iter.inclusive_loop.PreCodegen.after.mir
+++ b/tests/mir-opt/pre-codegen/range_iter.inclusive_loop.PreCodegen.after.panic-unwind.mir
@@ -19,15 +19,15 @@ fn inclusive_loop(_1: u32, _2: u32, _3: impl Fn(u32)) -> () {
         scope 2 {
             debug x => _9;               // in scope 2 at $DIR/range_iter.rs:+1:9: +1:10
         }
-        scope 5 (inlined iter::range::<impl Iterator for RangeInclusive<u32>>::next) { // at $DIR/range_iter.rs:28:14: 28:25
+        scope 5 (inlined iter::range::<impl Iterator for RangeInclusive<u32>>::next) { // at $DIR/range_iter.rs:29:14: 29:25
             debug self => _6;            // in scope 5 at $SRC_DIR/core/src/iter/range.rs:LL:COL
         }
     }
-    scope 3 (inlined RangeInclusive::<u32>::new) { // at $DIR/range_iter.rs:28:14: 28:25
+    scope 3 (inlined RangeInclusive::<u32>::new) { // at $DIR/range_iter.rs:29:14: 29:25
         debug start => _1;               // in scope 3 at $SRC_DIR/core/src/ops/range.rs:LL:COL
         debug end => _2;                 // in scope 3 at $SRC_DIR/core/src/ops/range.rs:LL:COL
     }
-    scope 4 (inlined <RangeInclusive<u32> as IntoIterator>::into_iter) { // at $DIR/range_iter.rs:28:14: 28:25
+    scope 4 (inlined <RangeInclusive<u32> as IntoIterator>::into_iter) { // at $DIR/range_iter.rs:29:14: 29:25
         debug self => _4;                // in scope 4 at $SRC_DIR/core/src/iter/traits/collect.rs:LL:COL
     }
 
@@ -70,7 +70,7 @@ fn inclusive_loop(_1: u32, _2: u32, _3: impl Fn(u32)) -> () {
         _11 = (_9,);                     // scope 2 at $DIR/range_iter.rs:+2:9: +2:13
         _12 = <impl Fn(u32) as Fn<(u32,)>>::call(move _10, move _11) -> [return: bb6, unwind: bb8]; // scope 2 at $DIR/range_iter.rs:+2:9: +2:13
                                          // mir::Constant
-                                         // + span: $DIR/range_iter.rs:29:9: 29:10
+                                         // + span: $DIR/range_iter.rs:30:9: 30:10
                                          // + literal: Const { ty: for<'a> extern "rust-call" fn(&'a impl Fn(u32), (u32,)) -> <impl Fn(u32) as FnOnce<(u32,)>>::Output {<impl Fn(u32) as Fn<(u32,)>>::call}, val: Value(<ZST>) }
     }
 
diff --git a/tests/mir-opt/pre-codegen/range_iter.range_inclusive_iter_next.PreCodegen.after.panic-abort.mir b/tests/mir-opt/pre-codegen/range_iter.range_inclusive_iter_next.PreCodegen.after.panic-abort.mir
new file mode 100644
index 00000000000..347ccba28c5
--- /dev/null
+++ b/tests/mir-opt/pre-codegen/range_iter.range_inclusive_iter_next.PreCodegen.after.panic-abort.mir
@@ -0,0 +1,20 @@
+// MIR for `range_inclusive_iter_next` after PreCodegen
+
+fn range_inclusive_iter_next(_1: &mut RangeInclusive<u32>) -> Option<u32> {
+    debug it => _1;                      // in scope 0 at $DIR/range_iter.rs:+0:34: +0:36
+    let mut _0: std::option::Option<u32>; // return place in scope 0 at $DIR/range_iter.rs:+0:67: +0:78
+    scope 1 (inlined iter::range::<impl Iterator for RangeInclusive<u32>>::next) { // at $DIR/range_iter.rs:17:8: 17:14
+        debug self => _1;                // in scope 1 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+    }
+
+    bb0: {
+        _0 = <RangeInclusive<u32> as iter::range::RangeInclusiveIteratorImpl>::spec_next(_1) -> [return: bb1, unwind unreachable]; // scope 1 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+                                         // mir::Constant
+                                         // + span: $SRC_DIR/core/src/iter/range.rs:LL:COL
+                                         // + literal: Const { ty: for<'a> fn(&'a mut RangeInclusive<u32>) -> Option<<RangeInclusive<u32> as iter::range::RangeInclusiveIteratorImpl>::Item> {<RangeInclusive<u32> as iter::range::RangeInclusiveIteratorImpl>::spec_next}, val: Value(<ZST>) }
+    }
+
+    bb1: {
+        return;                          // scope 0 at $DIR/range_iter.rs:+2:2: +2:2
+    }
+}
diff --git a/tests/mir-opt/pre-codegen/range_iter.range_inclusive_iter_next.PreCodegen.after.mir b/tests/mir-opt/pre-codegen/range_iter.range_inclusive_iter_next.PreCodegen.after.panic-unwind.mir
index d013b1b9462..e5f257d199d 100644
--- a/tests/mir-opt/pre-codegen/range_iter.range_inclusive_iter_next.PreCodegen.after.mir
+++ b/tests/mir-opt/pre-codegen/range_iter.range_inclusive_iter_next.PreCodegen.after.panic-unwind.mir
@@ -3,7 +3,7 @@
 fn range_inclusive_iter_next(_1: &mut RangeInclusive<u32>) -> Option<u32> {
     debug it => _1;                      // in scope 0 at $DIR/range_iter.rs:+0:34: +0:36
     let mut _0: std::option::Option<u32>; // return place in scope 0 at $DIR/range_iter.rs:+0:67: +0:78
-    scope 1 (inlined iter::range::<impl Iterator for RangeInclusive<u32>>::next) { // at $DIR/range_iter.rs:16:8: 16:14
+    scope 1 (inlined iter::range::<impl Iterator for RangeInclusive<u32>>::next) { // at $DIR/range_iter.rs:17:8: 17:14
         debug self => _1;                // in scope 1 at $SRC_DIR/core/src/iter/range.rs:LL:COL
     }
 
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
new file mode 100644
index 00000000000..35f85f173ea
--- /dev/null
+++ b/tests/mir-opt/pre-codegen/range_iter.range_iter_next.PreCodegen.after.panic-abort.mir
@@ -0,0 +1,74 @@
+// MIR for `range_iter_next` after PreCodegen
+
+fn range_iter_next(_1: &mut std::ops::Range<u32>) -> Option<u32> {
+    debug it => _1;                      // in scope 0 at $DIR/range_iter.rs:+0:24: +0:26
+    let mut _0: std::option::Option<u32>; // return place in scope 0 at $DIR/range_iter.rs:+0:48: +0:59
+    scope 1 (inlined iter::range::<impl Iterator for std::ops::Range<u32>>::next) { // at $DIR/range_iter.rs:12:8: 12:14
+        debug self => _1;                // in scope 1 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+        scope 2 (inlined <std::ops::Range<u32> as iter::range::RangeIteratorImpl>::spec_next) { // at $SRC_DIR/core/src/iter/range.rs:LL:COL
+            debug self => _1;            // in scope 2 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+            let mut _2: &u32;            // in scope 2 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+            let mut _3: &u32;            // in scope 2 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+            let mut _6: bool;            // in scope 2 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+            let _7: u32;                 // in scope 2 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+            let mut _8: u32;             // in scope 2 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+            scope 3 {
+                debug old => _7;         // in scope 3 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+                scope 4 {
+                }
+            }
+            scope 5 (inlined cmp::impls::<impl PartialOrd for u32>::lt) { // at $SRC_DIR/core/src/iter/range.rs:LL:COL
+                debug self => _2;        // in scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
+                debug other => _3;       // in scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
+                let mut _4: u32;         // in scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
+                let mut _5: u32;         // in scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
+            }
+        }
+    }
+
+    bb0: {
+        StorageLive(_7);                 // scope 1 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+        StorageLive(_6);                 // scope 2 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+        StorageLive(_2);                 // scope 2 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+        _2 = &((*_1).0: u32);            // scope 2 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+        StorageLive(_3);                 // scope 2 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+        _3 = &((*_1).1: u32);            // scope 2 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+        StorageLive(_4);                 // scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
+        _4 = (*_2);                      // scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
+        StorageLive(_5);                 // scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
+        _5 = (*_3);                      // scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
+        _6 = Lt(move _4, move _5);       // scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
+        StorageDead(_5);                 // scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
+        StorageDead(_4);                 // scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
+        StorageDead(_3);                 // scope 2 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+        StorageDead(_2);                 // scope 2 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+        switchInt(move _6) -> [0: bb1, otherwise: bb2]; // scope 2 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+    }
+
+    bb1: {
+        _0 = Option::<u32>::None;        // scope 2 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+        goto -> bb4;                     // scope 2 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+    }
+
+    bb2: {
+        _7 = ((*_1).0: u32);             // scope 2 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+        StorageLive(_8);                 // scope 3 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+        _8 = <u32 as Step>::forward_unchecked(_7, const 1_usize) -> [return: bb3, unwind unreachable]; // scope 4 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+                                         // mir::Constant
+                                         // + span: $SRC_DIR/core/src/iter/range.rs:LL:COL
+                                         // + literal: Const { ty: unsafe fn(u32, usize) -> u32 {<u32 as Step>::forward_unchecked}, val: Value(<ZST>) }
+    }
+
+    bb3: {
+        ((*_1).0: u32) = move _8;        // scope 3 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+        StorageDead(_8);                 // scope 3 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+        _0 = Option::<u32>::Some(_7);    // scope 3 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+        goto -> bb4;                     // scope 2 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+    }
+
+    bb4: {
+        StorageDead(_6);                 // scope 2 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+        StorageDead(_7);                 // scope 1 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+        return;                          // scope 0 at $DIR/range_iter.rs:+2:2: +2:2
+    }
+}
diff --git a/tests/mir-opt/pre-codegen/range_iter.range_iter_next.PreCodegen.after.mir b/tests/mir-opt/pre-codegen/range_iter.range_iter_next.PreCodegen.after.panic-unwind.mir
index f15722deee0..09b9539681f 100644
--- a/tests/mir-opt/pre-codegen/range_iter.range_iter_next.PreCodegen.after.mir
+++ b/tests/mir-opt/pre-codegen/range_iter.range_iter_next.PreCodegen.after.panic-unwind.mir
@@ -3,7 +3,7 @@
 fn range_iter_next(_1: &mut std::ops::Range<u32>) -> Option<u32> {
     debug it => _1;                      // in scope 0 at $DIR/range_iter.rs:+0:24: +0:26
     let mut _0: std::option::Option<u32>; // return place in scope 0 at $DIR/range_iter.rs:+0:48: +0:59
-    scope 1 (inlined iter::range::<impl Iterator for std::ops::Range<u32>>::next) { // at $DIR/range_iter.rs:11:8: 11:14
+    scope 1 (inlined iter::range::<impl Iterator for std::ops::Range<u32>>::next) { // at $DIR/range_iter.rs:12:8: 12:14
         debug self => _1;                // in scope 1 at $SRC_DIR/core/src/iter/range.rs:LL:COL
         scope 2 (inlined <std::ops::Range<u32> as iter::range::RangeIteratorImpl>::spec_next) { // at $SRC_DIR/core/src/iter/range.rs:LL:COL
             debug self => _1;            // in scope 2 at $SRC_DIR/core/src/iter/range.rs:LL:COL
diff --git a/tests/mir-opt/pre-codegen/slice_index.slice_get_mut_usize.PreCodegen.after.mir b/tests/mir-opt/pre-codegen/slice_index.slice_get_mut_usize.PreCodegen.after.panic-abort.mir
index 6c306280536..0e2821ab5fc 100644
--- a/tests/mir-opt/pre-codegen/slice_index.slice_get_mut_usize.PreCodegen.after.mir
+++ b/tests/mir-opt/pre-codegen/slice_index.slice_get_mut_usize.PreCodegen.after.panic-abort.mir
@@ -4,7 +4,7 @@ fn slice_get_mut_usize(_1: &mut [u32], _2: usize) -> Option<&mut u32> {
     debug slice => _1;                   // in scope 0 at $DIR/slice_index.rs:+0:28: +0:33
     debug index => _2;                   // in scope 0 at $DIR/slice_index.rs:+0:47: +0:52
     let mut _0: std::option::Option<&mut u32>; // return place in scope 0 at $DIR/slice_index.rs:+0:64: +0:80
-    scope 1 (inlined core::slice::<impl [u32]>::get_mut::<usize>) { // at $DIR/slice_index.rs:16:11: 16:25
+    scope 1 (inlined core::slice::<impl [u32]>::get_mut::<usize>) { // at $DIR/slice_index.rs:17:11: 17:25
         debug self => _1;                // in scope 1 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
         debug index => _2;               // in scope 1 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
         scope 2 (inlined <usize as SliceIndex<[u32]>>::get_mut) { // at $SRC_DIR/core/src/slice/mod.rs:LL:COL
diff --git a/tests/mir-opt/pre-codegen/slice_index.slice_get_mut_usize.PreCodegen.after.panic-unwind.mir b/tests/mir-opt/pre-codegen/slice_index.slice_get_mut_usize.PreCodegen.after.panic-unwind.mir
new file mode 100644
index 00000000000..0e2821ab5fc
--- /dev/null
+++ b/tests/mir-opt/pre-codegen/slice_index.slice_get_mut_usize.PreCodegen.after.panic-unwind.mir
@@ -0,0 +1,99 @@
+// MIR for `slice_get_mut_usize` after PreCodegen
+
+fn slice_get_mut_usize(_1: &mut [u32], _2: usize) -> Option<&mut u32> {
+    debug slice => _1;                   // in scope 0 at $DIR/slice_index.rs:+0:28: +0:33
+    debug index => _2;                   // in scope 0 at $DIR/slice_index.rs:+0:47: +0:52
+    let mut _0: std::option::Option<&mut u32>; // return place in scope 0 at $DIR/slice_index.rs:+0:64: +0:80
+    scope 1 (inlined core::slice::<impl [u32]>::get_mut::<usize>) { // at $DIR/slice_index.rs:17:11: 17:25
+        debug self => _1;                // in scope 1 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+        debug index => _2;               // in scope 1 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+        scope 2 (inlined <usize as SliceIndex<[u32]>>::get_mut) { // at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+            debug self => _2;            // in scope 2 at $SRC_DIR/core/src/slice/index.rs:LL:COL
+            debug slice => _1;           // in scope 2 at $SRC_DIR/core/src/slice/index.rs:LL:COL
+            let mut _3: &[u32];          // in scope 2 at $SRC_DIR/core/src/slice/index.rs:LL:COL
+            let mut _4: usize;           // in scope 2 at $SRC_DIR/core/src/slice/index.rs:LL:COL
+            let mut _5: bool;            // in scope 2 at $SRC_DIR/core/src/slice/index.rs:LL:COL
+            let mut _6: *mut [u32];      // in scope 2 at $SRC_DIR/core/src/slice/index.rs:LL:COL
+            let mut _8: *mut u32;        // in scope 2 at $SRC_DIR/core/src/slice/index.rs:LL:COL
+            let mut _9: &mut u32;        // in scope 2 at $SRC_DIR/core/src/slice/index.rs:LL:COL
+            scope 3 {
+                scope 4 (inlined <usize as SliceIndex<[u32]>>::get_unchecked_mut) { // at $SRC_DIR/core/src/slice/index.rs:LL:COL
+                    debug self => _2;    // in scope 4 at $SRC_DIR/core/src/slice/index.rs:LL:COL
+                    debug slice => _6;   // in scope 4 at $SRC_DIR/core/src/slice/index.rs:LL:COL
+                    let mut _7: *mut u32; // in scope 4 at $SRC_DIR/core/src/slice/index.rs:LL:COL
+                    scope 5 {
+                        debug this => _2; // in scope 5 at $SRC_DIR/core/src/slice/index.rs:LL:COL
+                        scope 6 {
+                            scope 7 (inlined <usize as SliceIndex<[T]>>::get_unchecked_mut::runtime::<u32>) { // at $SRC_DIR/core/src/intrinsics.rs:LL:COL
+                                debug this => _2; // in scope 7 at $SRC_DIR/core/src/intrinsics.rs:LL:COL
+                                debug slice => _6; // in scope 7 at $SRC_DIR/core/src/intrinsics.rs:LL:COL
+                                scope 8 (inlined ptr::mut_ptr::<impl *mut [u32]>::len) { // at $SRC_DIR/core/src/slice/index.rs:LL:COL
+                                    debug self => _6; // in scope 8 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
+                                    let mut _10: *const [u32]; // in scope 8 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
+                                    scope 9 (inlined std::ptr::metadata::<[u32]>) { // at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
+                                        debug ptr => _10; // in scope 9 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL
+                                        scope 10 {
+                                        }
+                                    }
+                                }
+                            }
+                            scope 11 (inlined ptr::mut_ptr::<impl *mut [u32]>::as_mut_ptr) { // at $SRC_DIR/core/src/slice/index.rs:LL:COL
+                                debug self => _6; // in scope 11 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
+                            }
+                            scope 12 (inlined ptr::mut_ptr::<impl *mut u32>::add) { // at $SRC_DIR/core/src/slice/index.rs:LL:COL
+                                debug self => _7; // in scope 12 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
+                                debug count => _2; // in scope 12 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
+                                scope 13 {
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+    bb0: {
+        StorageLive(_9);                 // scope 1 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+        StorageLive(_5);                 // scope 2 at $SRC_DIR/core/src/slice/index.rs:LL:COL
+        StorageLive(_4);                 // scope 2 at $SRC_DIR/core/src/slice/index.rs:LL:COL
+        StorageLive(_3);                 // scope 2 at $SRC_DIR/core/src/slice/index.rs:LL:COL
+        _3 = &(*_1);                     // scope 2 at $SRC_DIR/core/src/slice/index.rs:LL:COL
+        _4 = Len((*_3));                 // scope 2 at $SRC_DIR/core/src/slice/index.rs:LL:COL
+        StorageDead(_3);                 // scope 2 at $SRC_DIR/core/src/slice/index.rs:LL:COL
+        _5 = Lt(_2, move _4);            // scope 2 at $SRC_DIR/core/src/slice/index.rs:LL:COL
+        StorageDead(_4);                 // scope 2 at $SRC_DIR/core/src/slice/index.rs:LL:COL
+        switchInt(move _5) -> [0: bb1, otherwise: bb2]; // scope 2 at $SRC_DIR/core/src/slice/index.rs:LL:COL
+    }
+
+    bb1: {
+        _0 = const Option::<&mut u32>::None; // scope 2 at $SRC_DIR/core/src/slice/index.rs:LL:COL
+                                         // mir::Constant
+                                         // + span: no-location
+                                         // + literal: Const { ty: Option<&mut u32>, val: Value(Scalar(0x0000000000000000)) }
+        goto -> bb3;                     // scope 2 at $SRC_DIR/core/src/slice/index.rs:LL:COL
+    }
+
+    bb2: {
+        StorageLive(_8);                 // scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL
+        StorageLive(_6);                 // scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL
+        _6 = &raw mut (*_1);             // scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL
+        StorageLive(_10);                // scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL
+        StorageLive(_7);                 // scope 6 at $SRC_DIR/core/src/slice/index.rs:LL:COL
+        _7 = _6 as *mut u32 (PtrToPtr);  // scope 11 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
+        _8 = Offset(_7, _2);             // scope 13 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
+        StorageDead(_7);                 // scope 6 at $SRC_DIR/core/src/slice/index.rs:LL:COL
+        StorageDead(_10);                // scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL
+        StorageDead(_6);                 // scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL
+        _9 = &mut (*_8);                 // scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL
+        _0 = Option::<&mut u32>::Some(_9); // scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL
+        StorageDead(_8);                 // scope 2 at $SRC_DIR/core/src/slice/index.rs:LL:COL
+        goto -> bb3;                     // scope 2 at $SRC_DIR/core/src/slice/index.rs:LL:COL
+    }
+
+    bb3: {
+        StorageDead(_5);                 // scope 2 at $SRC_DIR/core/src/slice/index.rs:LL:COL
+        StorageDead(_9);                 // scope 1 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+        return;                          // scope 0 at $DIR/slice_index.rs:+2:2: +2:2
+    }
+}
diff --git a/tests/mir-opt/pre-codegen/slice_index.slice_get_unchecked_mut_range.PreCodegen.after.mir b/tests/mir-opt/pre-codegen/slice_index.slice_get_unchecked_mut_range.PreCodegen.after.panic-abort.mir
index 727ccc1de53..646d88ded52 100644
--- a/tests/mir-opt/pre-codegen/slice_index.slice_get_unchecked_mut_range.PreCodegen.after.mir
+++ b/tests/mir-opt/pre-codegen/slice_index.slice_get_unchecked_mut_range.PreCodegen.after.panic-abort.mir
@@ -6,7 +6,7 @@ fn slice_get_unchecked_mut_range(_1: &mut [u32], _2: std::ops::Range<usize>) ->
     let mut _0: &mut [u32];              // return place in scope 0 at $DIR/slice_index.rs:+0:88: +0:98
     let mut _3: usize;                   // in scope 0 at $DIR/slice_index.rs:+1:29: +1:34
     let mut _4: usize;                   // in scope 0 at $DIR/slice_index.rs:+1:29: +1:34
-    scope 1 (inlined core::slice::<impl [u32]>::get_unchecked_mut::<std::ops::Range<usize>>) { // at $DIR/slice_index.rs:26:11: 26:35
+    scope 1 (inlined core::slice::<impl [u32]>::get_unchecked_mut::<std::ops::Range<usize>>) { // at $DIR/slice_index.rs:27:11: 27:35
         debug self => _1;                // in scope 1 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
         debug index => std::ops::Range<usize>{ .0 => _3, .1 => _4, }; // in scope 1 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
         let mut _5: *mut [u32];          // in scope 1 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
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
new file mode 100644
index 00000000000..646d88ded52
--- /dev/null
+++ b/tests/mir-opt/pre-codegen/slice_index.slice_get_unchecked_mut_range.PreCodegen.after.panic-unwind.mir
@@ -0,0 +1,123 @@
+// MIR for `slice_get_unchecked_mut_range` after PreCodegen
+
+fn slice_get_unchecked_mut_range(_1: &mut [u32], _2: std::ops::Range<usize>) -> &mut [u32] {
+    debug slice => _1;                   // in scope 0 at $DIR/slice_index.rs:+0:45: +0:50
+    debug index => _2;                   // in scope 0 at $DIR/slice_index.rs:+0:64: +0:69
+    let mut _0: &mut [u32];              // return place in scope 0 at $DIR/slice_index.rs:+0:88: +0:98
+    let mut _3: usize;                   // in scope 0 at $DIR/slice_index.rs:+1:29: +1:34
+    let mut _4: usize;                   // in scope 0 at $DIR/slice_index.rs:+1:29: +1:34
+    scope 1 (inlined core::slice::<impl [u32]>::get_unchecked_mut::<std::ops::Range<usize>>) { // at $DIR/slice_index.rs:27:11: 27:35
+        debug self => _1;                // in scope 1 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+        debug index => std::ops::Range<usize>{ .0 => _3, .1 => _4, }; // in scope 1 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+        let mut _5: *mut [u32];          // in scope 1 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+        let mut _14: *mut [u32];         // in scope 1 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+        scope 2 {
+            scope 3 (inlined <std::ops::Range<usize> as SliceIndex<[u32]>>::get_unchecked_mut) { // at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+                debug self => std::ops::Range<usize>{ .0 => _3, .1 => _4, }; // in scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL
+                debug slice => _5;       // in scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL
+                let mut _7: *mut u32;    // in scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL
+                let mut _8: *mut u32;    // in scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL
+                let mut _9: usize;       // in scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL
+                let _16: usize;          // in scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL
+                let _17: usize;          // in scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL
+                scope 4 {
+                    debug this => std::ops::Range<usize>{ .0 => _16, .1 => _17, }; // in scope 4 at $SRC_DIR/core/src/slice/index.rs:LL:COL
+                    scope 5 {
+                        let _6: usize;   // in scope 5 at $SRC_DIR/core/src/slice/index.rs:LL:COL
+                        scope 6 {
+                            debug new_len => _6; // in scope 6 at $SRC_DIR/core/src/slice/index.rs:LL:COL
+                            scope 11 (inlined ptr::mut_ptr::<impl *mut [u32]>::as_mut_ptr) { // at $SRC_DIR/core/src/slice/index.rs:LL:COL
+                                debug self => _5; // in scope 11 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
+                            }
+                            scope 12 (inlined ptr::mut_ptr::<impl *mut u32>::add) { // at $SRC_DIR/core/src/slice/index.rs:LL:COL
+                                debug self => _7; // in scope 12 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
+                                debug count => _3; // in scope 12 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
+                                scope 13 {
+                                }
+                            }
+                            scope 14 (inlined slice_from_raw_parts_mut::<u32>) { // at $SRC_DIR/core/src/slice/index.rs:LL:COL
+                                debug data => _8; // in scope 14 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
+                                debug len => _9; // in scope 14 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
+                                let mut _10: *mut (); // in scope 14 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
+                                scope 15 (inlined ptr::mut_ptr::<impl *mut u32>::cast::<()>) { // at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
+                                    debug self => _8; // in scope 15 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
+                                }
+                                scope 16 (inlined std::ptr::from_raw_parts_mut::<[u32]>) { // at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
+                                    debug data_address => _10; // in scope 16 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL
+                                    debug metadata => _9; // in scope 16 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL
+                                    let mut _11: *const (); // in scope 16 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL
+                                    let mut _12: std::ptr::metadata::PtrComponents<[u32]>; // in scope 16 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL
+                                    let mut _13: std::ptr::metadata::PtrRepr<[u32]>; // in scope 16 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL
+                                    scope 17 {
+                                    }
+                                }
+                            }
+                        }
+                        scope 7 (inlined <std::ops::Range<usize> as SliceIndex<[T]>>::get_unchecked_mut::runtime::<u32>) { // at $SRC_DIR/core/src/intrinsics.rs:LL:COL
+                            debug this => std::ops::Range<usize>{ .0 => _16, .1 => _17, }; // in scope 7 at $SRC_DIR/core/src/intrinsics.rs:LL:COL
+                            debug slice => _5; // in scope 7 at $SRC_DIR/core/src/intrinsics.rs:LL:COL
+                            scope 8 (inlined ptr::mut_ptr::<impl *mut [u32]>::len) { // at $SRC_DIR/core/src/slice/index.rs:LL:COL
+                                debug self => _5; // in scope 8 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
+                                let mut _15: *const [u32]; // in scope 8 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
+                                scope 9 (inlined std::ptr::metadata::<[u32]>) { // at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
+                                    debug ptr => _15; // in scope 9 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL
+                                    scope 10 {
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+    bb0: {
+        _3 = move (_2.0: usize);         // scope 0 at $DIR/slice_index.rs:+1:29: +1:34
+        _4 = move (_2.1: usize);         // scope 0 at $DIR/slice_index.rs:+1:29: +1:34
+        StorageLive(_14);                // scope 2 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+        StorageLive(_5);                 // scope 2 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+        _5 = &raw mut (*_1);             // scope 2 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+        StorageLive(_15);                // scope 2 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+        StorageLive(_16);                // scope 2 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+        StorageLive(_17);                // scope 2 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+        StorageLive(_6);                 // scope 5 at $SRC_DIR/core/src/slice/index.rs:LL:COL
+        _6 = unchecked_sub::<usize>(_4, _3) -> [return: bb1, unwind unreachable]; // scope 5 at $SRC_DIR/core/src/slice/index.rs:LL:COL
+                                         // mir::Constant
+                                         // + span: $SRC_DIR/core/src/slice/index.rs:LL:COL
+                                         // + literal: Const { ty: unsafe extern "rust-intrinsic" fn(usize, usize) -> usize {unchecked_sub::<usize>}, val: Value(<ZST>) }
+    }
+
+    bb1: {
+        StorageLive(_8);                 // scope 6 at $SRC_DIR/core/src/slice/index.rs:LL:COL
+        StorageLive(_7);                 // scope 6 at $SRC_DIR/core/src/slice/index.rs:LL:COL
+        _7 = _5 as *mut u32 (PtrToPtr);  // scope 11 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
+        _8 = Offset(_7, _3);             // scope 13 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
+        StorageDead(_7);                 // scope 6 at $SRC_DIR/core/src/slice/index.rs:LL:COL
+        StorageLive(_9);                 // scope 6 at $SRC_DIR/core/src/slice/index.rs:LL:COL
+        _9 = _6;                         // scope 6 at $SRC_DIR/core/src/slice/index.rs:LL:COL
+        StorageLive(_10);                // scope 14 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
+        _10 = _8 as *mut () (PtrToPtr);  // scope 15 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
+        StorageLive(_13);                // scope 17 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL
+        StorageLive(_12);                // scope 17 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL
+        StorageLive(_11);                // scope 17 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL
+        _11 = _10 as *const () (Pointer(MutToConstPointer)); // scope 17 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL
+        _12 = ptr::metadata::PtrComponents::<[u32]> { data_address: move _11, metadata: _9 }; // scope 17 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL
+        StorageDead(_11);                // scope 17 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL
+        _13 = ptr::metadata::PtrRepr::<[u32]> { const_ptr: move _12 }; // scope 17 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL
+        StorageDead(_12);                // scope 17 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL
+        _14 = (_13.1: *mut [u32]);       // scope 17 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL
+        StorageDead(_13);                // scope 16 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL
+        StorageDead(_10);                // scope 14 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
+        StorageDead(_9);                 // scope 6 at $SRC_DIR/core/src/slice/index.rs:LL:COL
+        StorageDead(_8);                 // scope 6 at $SRC_DIR/core/src/slice/index.rs:LL:COL
+        StorageDead(_6);                 // scope 5 at $SRC_DIR/core/src/slice/index.rs:LL:COL
+        StorageDead(_17);                // scope 2 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+        StorageDead(_16);                // scope 2 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+        StorageDead(_15);                // scope 2 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+        StorageDead(_5);                 // scope 2 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+        _0 = &mut (*_14);                // scope 2 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+        StorageDead(_14);                // scope 1 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+        return;                          // scope 0 at $DIR/slice_index.rs:+2:2: +2:2
+    }
+}
diff --git a/tests/mir-opt/pre-codegen/slice_index.slice_index_range.PreCodegen.after.panic-abort.mir b/tests/mir-opt/pre-codegen/slice_index.slice_index_range.PreCodegen.after.panic-abort.mir
new file mode 100644
index 00000000000..4739693d259
--- /dev/null
+++ b/tests/mir-opt/pre-codegen/slice_index.slice_index_range.PreCodegen.after.panic-abort.mir
@@ -0,0 +1,26 @@
+// MIR for `slice_index_range` after PreCodegen
+
+fn slice_index_range(_1: &[u32], _2: std::ops::Range<usize>) -> &[u32] {
+    debug slice => _1;                   // in scope 0 at $DIR/slice_index.rs:+0:26: +0:31
+    debug index => _2;                   // in scope 0 at $DIR/slice_index.rs:+0:41: +0:46
+    let mut _0: &[u32];                  // return place in scope 0 at $DIR/slice_index.rs:+0:65: +0:71
+    scope 1 (inlined #[track_caller] core::slice::index::<impl Index<std::ops::Range<usize>> for [u32]>::index) { // at $DIR/slice_index.rs:22:6: 22:18
+        debug self => _1;                // in scope 1 at $SRC_DIR/core/src/slice/index.rs:LL:COL
+        debug index => _2;               // in scope 1 at $SRC_DIR/core/src/slice/index.rs:LL:COL
+        let _3: &[u32];                  // in scope 1 at $SRC_DIR/core/src/slice/index.rs:LL:COL
+    }
+
+    bb0: {
+        StorageLive(_3);                 // scope 1 at $SRC_DIR/core/src/slice/index.rs:LL:COL
+        _3 = <std::ops::Range<usize> as SliceIndex<[u32]>>::index(move _2, _1) -> [return: bb1, unwind unreachable]; // scope 1 at $SRC_DIR/core/src/slice/index.rs:LL:COL
+                                         // mir::Constant
+                                         // + span: $SRC_DIR/core/src/slice/index.rs:LL:COL
+                                         // + literal: Const { ty: for<'a> fn(std::ops::Range<usize>, &'a [u32]) -> &'a <std::ops::Range<usize> as SliceIndex<[u32]>>::Output {<std::ops::Range<usize> as SliceIndex<[u32]>>::index}, val: Value(<ZST>) }
+    }
+
+    bb1: {
+        _0 = _3;                         // scope 1 at $SRC_DIR/core/src/slice/index.rs:LL:COL
+        StorageDead(_3);                 // scope 1 at $SRC_DIR/core/src/slice/index.rs:LL:COL
+        return;                          // scope 0 at $DIR/slice_index.rs:+2:2: +2:2
+    }
+}
diff --git a/tests/mir-opt/pre-codegen/slice_index.slice_index_range.PreCodegen.after.mir b/tests/mir-opt/pre-codegen/slice_index.slice_index_range.PreCodegen.after.panic-unwind.mir
index dcf79a4a4e7..3136282c827 100644
--- a/tests/mir-opt/pre-codegen/slice_index.slice_index_range.PreCodegen.after.mir
+++ b/tests/mir-opt/pre-codegen/slice_index.slice_index_range.PreCodegen.after.panic-unwind.mir
@@ -4,7 +4,7 @@ fn slice_index_range(_1: &[u32], _2: std::ops::Range<usize>) -> &[u32] {
     debug slice => _1;                   // in scope 0 at $DIR/slice_index.rs:+0:26: +0:31
     debug index => _2;                   // in scope 0 at $DIR/slice_index.rs:+0:41: +0:46
     let mut _0: &[u32];                  // return place in scope 0 at $DIR/slice_index.rs:+0:65: +0:71
-    scope 1 (inlined #[track_caller] core::slice::index::<impl Index<std::ops::Range<usize>> for [u32]>::index) { // at $DIR/slice_index.rs:21:6: 21:18
+    scope 1 (inlined #[track_caller] core::slice::index::<impl Index<std::ops::Range<usize>> for [u32]>::index) { // at $DIR/slice_index.rs:22:6: 22:18
         debug self => _1;                // in scope 1 at $SRC_DIR/core/src/slice/index.rs:LL:COL
         debug index => _2;               // in scope 1 at $SRC_DIR/core/src/slice/index.rs:LL:COL
         let _3: &[u32];                  // in scope 1 at $SRC_DIR/core/src/slice/index.rs:LL:COL
diff --git a/tests/mir-opt/pre-codegen/slice_index.slice_index_usize.PreCodegen.after.panic-abort.mir b/tests/mir-opt/pre-codegen/slice_index.slice_index_usize.PreCodegen.after.panic-abort.mir
new file mode 100644
index 00000000000..d3a64d5feb5
--- /dev/null
+++ b/tests/mir-opt/pre-codegen/slice_index.slice_index_usize.PreCodegen.after.panic-abort.mir
@@ -0,0 +1,20 @@
+// MIR for `slice_index_usize` after PreCodegen
+
+fn slice_index_usize(_1: &[u32], _2: usize) -> u32 {
+    debug slice => _1;                   // in scope 0 at $DIR/slice_index.rs:+0:26: +0:31
+    debug index => _2;                   // in scope 0 at $DIR/slice_index.rs:+0:41: +0:46
+    let mut _0: u32;                     // return place in scope 0 at $DIR/slice_index.rs:+0:58: +0:61
+    let mut _3: usize;                   // in scope 0 at $DIR/slice_index.rs:+1:5: +1:17
+    let mut _4: bool;                    // in scope 0 at $DIR/slice_index.rs:+1:5: +1:17
+
+    bb0: {
+        _3 = Len((*_1));                 // scope 0 at $DIR/slice_index.rs:+1:5: +1:17
+        _4 = Lt(_2, _3);                 // scope 0 at $DIR/slice_index.rs:+1:5: +1:17
+        assert(move _4, "index out of bounds: the length is {} but the index is {}", move _3, _2) -> [success: bb1, unwind unreachable]; // scope 0 at $DIR/slice_index.rs:+1:5: +1:17
+    }
+
+    bb1: {
+        _0 = (*_1)[_2];                  // scope 0 at $DIR/slice_index.rs:+1:5: +1:17
+        return;                          // scope 0 at $DIR/slice_index.rs:+2:2: +2:2
+    }
+}
diff --git a/tests/mir-opt/pre-codegen/slice_index.slice_index_usize.PreCodegen.after.mir b/tests/mir-opt/pre-codegen/slice_index.slice_index_usize.PreCodegen.after.panic-unwind.mir
index 6cc0ee0570b..6cc0ee0570b 100644
--- a/tests/mir-opt/pre-codegen/slice_index.slice_index_usize.PreCodegen.after.mir
+++ b/tests/mir-opt/pre-codegen/slice_index.slice_index_usize.PreCodegen.after.panic-unwind.mir
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
new file mode 100644
index 00000000000..e1446291bff
--- /dev/null
+++ b/tests/mir-opt/pre-codegen/slice_iter.enumerated_loop.PreCodegen.after.panic-abort.mir
@@ -0,0 +1,205 @@
+// MIR for `enumerated_loop` after PreCodegen
+
+fn enumerated_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () {
+    debug slice => _1;                   // in scope 0 at $DIR/slice_iter.rs:+0:31: +0:36
+    debug f => _2;                       // in scope 0 at $DIR/slice_iter.rs:+0:47: +0:48
+    let mut _0: ();                      // return place in scope 0 at $DIR/slice_iter.rs:+0:70: +0:70
+    let mut _13: std::slice::Iter<'_, T>; // in scope 0 at $DIR/slice_iter.rs:+1:19: +1:31
+    let mut _14: std::iter::Enumerate<std::slice::Iter<'_, T>>; // in scope 0 at $DIR/slice_iter.rs:+1:19: +1:43
+    let mut _15: std::iter::Enumerate<std::slice::Iter<'_, T>>; // in scope 0 at $DIR/slice_iter.rs:+1:19: +1:43
+    let mut _16: &mut std::iter::Enumerate<std::slice::Iter<'_, T>>; // in scope 0 at $DIR/slice_iter.rs:+1:19: +1:43
+    let mut _17: std::option::Option<(usize, &T)>; // in scope 0 at $DIR/slice_iter.rs:+1:19: +1:43
+    let mut _18: isize;                  // in scope 0 at $DIR/slice_iter.rs:+1:5: +3:6
+    let mut _21: &impl Fn(usize, &T);    // in scope 0 at $DIR/slice_iter.rs:+2:9: +2:10
+    let mut _22: (usize, &T);            // in scope 0 at $DIR/slice_iter.rs:+2:9: +2:16
+    let _23: ();                         // in scope 0 at $DIR/slice_iter.rs:+1:19: +1:43
+    scope 1 {
+        debug iter => _15;               // in scope 1 at $DIR/slice_iter.rs:+1:19: +1:43
+        let _19: usize;                  // in scope 1 at $DIR/slice_iter.rs:+1:10: +1:11
+        let _20: &T;                     // in scope 1 at $DIR/slice_iter.rs:+1:13: +1:14
+        scope 2 {
+            debug i => _19;              // in scope 2 at $DIR/slice_iter.rs:+1:10: +1:11
+            debug x => _20;              // in scope 2 at $DIR/slice_iter.rs:+1:13: +1:14
+        }
+    }
+    scope 3 (inlined core::slice::<impl [T]>::iter) { // at $DIR/slice_iter.rs:43:25: 43:31
+        debug self => _1;                // in scope 3 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+        scope 4 (inlined std::slice::Iter::<'_, T>::new) { // at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+            debug slice => _1;           // in scope 4 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+            let _4: *const T;            // in scope 4 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+            let mut _5: bool;            // in scope 4 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+            let mut _6: usize;           // in scope 4 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+            let mut _8: usize;           // in scope 4 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+            let mut _9: *mut T;          // in scope 4 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+            let mut _11: std::ptr::NonNull<T>; // in scope 4 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+            let mut _12: *const T;       // in scope 4 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+            scope 5 {
+                debug ptr => _4;         // in scope 5 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+                scope 6 {
+                    let _7: *const T;    // in scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+                    scope 7 {
+                        debug end => _7; // in scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+                        scope 13 (inlined NonNull::<T>::new_unchecked) { // at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+                            debug ptr => _9; // in scope 13 at $SRC_DIR/core/src/ptr/non_null.rs:LL:COL
+                            let mut _10: *const T; // in scope 13 at $SRC_DIR/core/src/ptr/non_null.rs:LL:COL
+                            scope 14 {
+                                scope 15 (inlined NonNull::<T>::new_unchecked::runtime::<T>) { // at $SRC_DIR/core/src/intrinsics.rs:LL:COL
+                                    debug ptr => _9; // in scope 15 at $SRC_DIR/core/src/intrinsics.rs:LL:COL
+                                    scope 16 (inlined ptr::mut_ptr::<impl *mut T>::is_null) { // at $SRC_DIR/core/src/ptr/non_null.rs:LL:COL
+                                        debug self => _9; // in scope 16 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
+                                        let mut _24: *mut u8; // in scope 16 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
+                                        scope 17 {
+                                            scope 18 (inlined ptr::mut_ptr::<impl *mut T>::is_null::runtime_impl) { // at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
+                                                debug ptr => _24; // in scope 18 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
+                                                scope 19 (inlined ptr::mut_ptr::<impl *mut u8>::addr) { // at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
+                                                    debug self => _24; // in scope 19 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
+                                                    scope 20 {
+                                                        scope 21 (inlined ptr::mut_ptr::<impl *mut u8>::cast::<()>) { // at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
+                                                            debug self => _24; // in scope 21 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
+                                                        }
+                                                    }
+                                                }
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    }
+                    scope 9 (inlined invalid::<T>) { // at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+                        debug addr => _8; // in scope 9 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
+                        scope 10 {
+                        }
+                    }
+                    scope 11 (inlined ptr::const_ptr::<impl *const T>::add) { // at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+                        debug self => _4; // in scope 11 at $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
+                        debug count => _6; // in scope 11 at $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
+                        scope 12 {
+                        }
+                    }
+                }
+            }
+            scope 8 (inlined core::slice::<impl [T]>::as_ptr) { // at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+                debug self => _1;        // in scope 8 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+                let mut _3: *const [T];  // in scope 8 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+            }
+        }
+    }
+    scope 22 (inlined <std::slice::Iter<'_, T> as Iterator>::enumerate) { // at $DIR/slice_iter.rs:43:32: 43:43
+        debug self => _13;               // in scope 22 at $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL
+        scope 23 (inlined Enumerate::<std::slice::Iter<'_, T>>::new) { // at $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL
+            debug iter => _13;           // in scope 23 at $SRC_DIR/core/src/iter/adapters/enumerate.rs:LL:COL
+        }
+    }
+    scope 24 (inlined <Enumerate<std::slice::Iter<'_, T>> as IntoIterator>::into_iter) { // at $DIR/slice_iter.rs:43:19: 43:43
+        debug self => _14;               // in scope 24 at $SRC_DIR/core/src/iter/traits/collect.rs:LL:COL
+    }
+
+    bb0: {
+        StorageLive(_13);                // scope 0 at $DIR/slice_iter.rs:+1:19: +1:31
+        StorageLive(_4);                 // scope 3 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+        StorageLive(_3);                 // scope 8 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+        _3 = &raw const (*_1);           // scope 8 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+        _4 = move _3 as *const T (PtrToPtr); // scope 8 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+        StorageDead(_3);                 // scope 8 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+        StorageLive(_7);                 // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        StorageLive(_5);                 // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        _5 = const _;                    // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        switchInt(move _5) -> [0: bb1, otherwise: bb2]; // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+    }
+
+    bb1: {
+        StorageLive(_6);                 // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        _6 = Len((*_1));                 // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        _7 = Offset(_4, _6);             // scope 12 at $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
+        StorageDead(_6);                 // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        goto -> bb3;                     // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+    }
+
+    bb2: {
+        StorageLive(_8);                 // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        _8 = Len((*_1));                 // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        _7 = _8 as *const T (Transmute); // scope 10 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
+        StorageDead(_8);                 // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        goto -> bb3;                     // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+    }
+
+    bb3: {
+        StorageDead(_5);                 // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        StorageLive(_11);                // scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        StorageLive(_9);                 // scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        _9 = _4 as *mut T (PtrToPtr);    // scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        StorageLive(_10);                // scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        StorageLive(_24);                // scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        _10 = _9 as *const T (Pointer(MutToConstPointer)); // scope 14 at $SRC_DIR/core/src/ptr/non_null.rs:LL:COL
+        _11 = NonNull::<T> { pointer: _10 }; // scope 14 at $SRC_DIR/core/src/ptr/non_null.rs:LL:COL
+        StorageDead(_24);                // scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        StorageDead(_10);                // scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        StorageDead(_9);                 // scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        StorageLive(_12);                // scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        _12 = _7;                        // scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        _13 = std::slice::Iter::<'_, T> { ptr: move _11, end: move _12, _marker: const ZeroSized: PhantomData<&T> }; // scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+                                         // mir::Constant
+                                         // + span: no-location
+                                         // + literal: Const { ty: PhantomData<&T>, val: Value(<ZST>) }
+                                         // adt
+                                         // + user_ty: UserType(1)
+        StorageDead(_12);                // scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        StorageDead(_11);                // scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        StorageDead(_7);                 // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        StorageDead(_4);                 // scope 3 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+        _14 = Enumerate::<std::slice::Iter<'_, T>> { iter: move _13, count: const 0_usize }; // scope 23 at $SRC_DIR/core/src/iter/adapters/enumerate.rs:LL:COL
+        StorageDead(_13);                // scope 0 at $DIR/slice_iter.rs:+1:42: +1:43
+        StorageLive(_15);                // scope 0 at $DIR/slice_iter.rs:+1:19: +1:43
+        _15 = move _14;                  // scope 0 at $DIR/slice_iter.rs:+1:19: +1:43
+        goto -> bb4;                     // scope 1 at $DIR/slice_iter.rs:+1:5: +3:6
+    }
+
+    bb4: {
+        StorageLive(_17);                // scope 1 at $DIR/slice_iter.rs:+1:19: +1:43
+        _16 = &mut _15;                  // scope 1 at $DIR/slice_iter.rs:+1:19: +1:43
+        _17 = <Enumerate<std::slice::Iter<'_, T>> as Iterator>::next(_16) -> [return: bb5, unwind unreachable]; // scope 1 at $DIR/slice_iter.rs:+1:19: +1:43
+                                         // mir::Constant
+                                         // + span: $DIR/slice_iter.rs:43:19: 43:43
+                                         // + literal: Const { ty: for<'a> fn(&'a mut Enumerate<std::slice::Iter<'_, T>>) -> Option<<Enumerate<std::slice::Iter<'_, T>> as Iterator>::Item> {<Enumerate<std::slice::Iter<'_, T>> as Iterator>::next}, val: Value(<ZST>) }
+    }
+
+    bb5: {
+        _18 = discriminant(_17);         // scope 1 at $DIR/slice_iter.rs:+1:19: +1:43
+        switchInt(move _18) -> [0: bb6, 1: bb8, otherwise: bb10]; // scope 1 at $DIR/slice_iter.rs:+1:19: +1:43
+    }
+
+    bb6: {
+        StorageDead(_17);                // scope 1 at $DIR/slice_iter.rs:+3:5: +3:6
+        StorageDead(_15);                // scope 0 at $DIR/slice_iter.rs:+3:5: +3:6
+        drop(_2) -> [return: bb7, unwind unreachable]; // scope 0 at $DIR/slice_iter.rs:+4:1: +4:2
+    }
+
+    bb7: {
+        return;                          // scope 0 at $DIR/slice_iter.rs:+4:2: +4:2
+    }
+
+    bb8: {
+        _19 = (((_17 as Some).0: (usize, &T)).0: usize); // scope 1 at $DIR/slice_iter.rs:+1:10: +1:11
+        _20 = (((_17 as Some).0: (usize, &T)).1: &T); // scope 1 at $DIR/slice_iter.rs:+1:13: +1:14
+        StorageLive(_21);                // scope 2 at $DIR/slice_iter.rs:+2:9: +2:10
+        _21 = &_2;                       // scope 2 at $DIR/slice_iter.rs:+2:9: +2:10
+        StorageLive(_22);                // scope 2 at $DIR/slice_iter.rs:+2:9: +2:16
+        _22 = (_19, _20);                // scope 2 at $DIR/slice_iter.rs:+2:9: +2:16
+        _23 = <impl Fn(usize, &T) as Fn<(usize, &T)>>::call(move _21, move _22) -> [return: bb9, unwind unreachable]; // scope 2 at $DIR/slice_iter.rs:+2:9: +2:16
+                                         // mir::Constant
+                                         // + span: $DIR/slice_iter.rs:44:9: 44:10
+                                         // + literal: Const { ty: for<'a> extern "rust-call" fn(&'a impl Fn(usize, &T), (usize, &T)) -> <impl Fn(usize, &T) as FnOnce<(usize, &T)>>::Output {<impl Fn(usize, &T) as Fn<(usize, &T)>>::call}, val: Value(<ZST>) }
+    }
+
+    bb9: {
+        StorageDead(_22);                // scope 2 at $DIR/slice_iter.rs:+2:15: +2:16
+        StorageDead(_21);                // scope 2 at $DIR/slice_iter.rs:+2:15: +2:16
+        StorageDead(_17);                // scope 1 at $DIR/slice_iter.rs:+3:5: +3:6
+        goto -> bb4;                     // scope 1 at $DIR/slice_iter.rs:+1:5: +3:6
+    }
+
+    bb10: {
+        unreachable;                     // scope 1 at $DIR/slice_iter.rs:+1:19: +1:43
+    }
+}
diff --git a/tests/mir-opt/pre-codegen/slice_iter.enumerated_loop.PreCodegen.after.mir b/tests/mir-opt/pre-codegen/slice_iter.enumerated_loop.PreCodegen.after.panic-unwind.mir
index 4dd11c1e529..f35ea0fa057 100644
--- a/tests/mir-opt/pre-codegen/slice_iter.enumerated_loop.PreCodegen.after.mir
+++ b/tests/mir-opt/pre-codegen/slice_iter.enumerated_loop.PreCodegen.after.panic-unwind.mir
@@ -22,7 +22,7 @@ fn enumerated_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () {
             debug x => _20;              // in scope 2 at $DIR/slice_iter.rs:+1:13: +1:14
         }
     }
-    scope 3 (inlined core::slice::<impl [T]>::iter) { // at $DIR/slice_iter.rs:42:25: 42:31
+    scope 3 (inlined core::slice::<impl [T]>::iter) { // at $DIR/slice_iter.rs:43:25: 43:31
         debug self => _1;                // in scope 3 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
         scope 4 (inlined std::slice::Iter::<'_, T>::new) { // at $SRC_DIR/core/src/slice/mod.rs:LL:COL
             debug slice => _1;           // in scope 4 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
@@ -85,13 +85,13 @@ fn enumerated_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () {
             }
         }
     }
-    scope 22 (inlined <std::slice::Iter<'_, T> as Iterator>::enumerate) { // at $DIR/slice_iter.rs:42:32: 42:43
+    scope 22 (inlined <std::slice::Iter<'_, T> as Iterator>::enumerate) { // at $DIR/slice_iter.rs:43:32: 43:43
         debug self => _13;               // in scope 22 at $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL
         scope 23 (inlined Enumerate::<std::slice::Iter<'_, T>>::new) { // at $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL
             debug iter => _13;           // in scope 23 at $SRC_DIR/core/src/iter/adapters/enumerate.rs:LL:COL
         }
     }
-    scope 24 (inlined <Enumerate<std::slice::Iter<'_, T>> as IntoIterator>::into_iter) { // at $DIR/slice_iter.rs:42:19: 42:43
+    scope 24 (inlined <Enumerate<std::slice::Iter<'_, T>> as IntoIterator>::into_iter) { // at $DIR/slice_iter.rs:43:19: 43:43
         debug self => _14;               // in scope 24 at $SRC_DIR/core/src/iter/traits/collect.rs:LL:COL
     }
 
@@ -160,7 +160,7 @@ fn enumerated_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () {
         _16 = &mut _15;                  // scope 1 at $DIR/slice_iter.rs:+1:19: +1:43
         _17 = <Enumerate<std::slice::Iter<'_, T>> as Iterator>::next(_16) -> [return: bb5, unwind: bb11]; // scope 1 at $DIR/slice_iter.rs:+1:19: +1:43
                                          // mir::Constant
-                                         // + span: $DIR/slice_iter.rs:42:19: 42:43
+                                         // + span: $DIR/slice_iter.rs:43:19: 43:43
                                          // + literal: Const { ty: for<'a> fn(&'a mut Enumerate<std::slice::Iter<'_, T>>) -> Option<<Enumerate<std::slice::Iter<'_, T>> as Iterator>::Item> {<Enumerate<std::slice::Iter<'_, T>> as Iterator>::next}, val: Value(<ZST>) }
     }
 
@@ -188,7 +188,7 @@ fn enumerated_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () {
         _22 = (_19, _20);                // scope 2 at $DIR/slice_iter.rs:+2:9: +2:16
         _23 = <impl Fn(usize, &T) as Fn<(usize, &T)>>::call(move _21, move _22) -> [return: bb9, unwind: bb11]; // scope 2 at $DIR/slice_iter.rs:+2:9: +2:16
                                          // mir::Constant
-                                         // + span: $DIR/slice_iter.rs:43:9: 43:10
+                                         // + span: $DIR/slice_iter.rs:44:9: 44:10
                                          // + literal: Const { ty: for<'a> extern "rust-call" fn(&'a impl Fn(usize, &T), (usize, &T)) -> <impl Fn(usize, &T) as FnOnce<(usize, &T)>>::Output {<impl Fn(usize, &T) as Fn<(usize, &T)>>::call}, val: Value(<ZST>) }
     }
 
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
new file mode 100644
index 00000000000..1ffda32509e
--- /dev/null
+++ b/tests/mir-opt/pre-codegen/slice_iter.forward_loop.PreCodegen.after.panic-abort.mir
@@ -0,0 +1,192 @@
+// MIR for `forward_loop` after PreCodegen
+
+fn forward_loop(_1: &[T], _2: impl Fn(&T)) -> () {
+    debug slice => _1;                   // in scope 0 at $DIR/slice_iter.rs:+0:28: +0:33
+    debug f => _2;                       // in scope 0 at $DIR/slice_iter.rs:+0:44: +0:45
+    let mut _0: ();                      // return place in scope 0 at $DIR/slice_iter.rs:+0:60: +0:60
+    let mut _13: std::slice::Iter<'_, T>; // in scope 0 at $DIR/slice_iter.rs:+1:14: +1:26
+    let mut _14: std::slice::Iter<'_, T>; // in scope 0 at $DIR/slice_iter.rs:+1:14: +1:26
+    let mut _15: &mut std::slice::Iter<'_, T>; // in scope 0 at $DIR/slice_iter.rs:+1:14: +1:26
+    let mut _16: std::option::Option<&T>; // in scope 0 at $DIR/slice_iter.rs:+1:14: +1:26
+    let mut _17: isize;                  // in scope 0 at $DIR/slice_iter.rs:+1:5: +3:6
+    let mut _19: &impl Fn(&T);           // in scope 0 at $DIR/slice_iter.rs:+2:9: +2:10
+    let mut _20: (&T,);                  // in scope 0 at $DIR/slice_iter.rs:+2:9: +2:13
+    let _21: ();                         // in scope 0 at $DIR/slice_iter.rs:+1:14: +1:26
+    scope 1 {
+        debug iter => _14;               // in scope 1 at $DIR/slice_iter.rs:+1:14: +1:26
+        let _18: &T;                     // in scope 1 at $DIR/slice_iter.rs:+1:9: +1:10
+        scope 2 {
+            debug x => _18;              // in scope 2 at $DIR/slice_iter.rs:+1:9: +1:10
+        }
+    }
+    scope 3 (inlined core::slice::<impl [T]>::iter) { // at $DIR/slice_iter.rs:29:20: 29:26
+        debug self => _1;                // in scope 3 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+        scope 4 (inlined std::slice::Iter::<'_, T>::new) { // at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+            debug slice => _1;           // in scope 4 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+            let _4: *const T;            // in scope 4 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+            let mut _5: bool;            // in scope 4 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+            let mut _6: usize;           // in scope 4 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+            let mut _8: usize;           // in scope 4 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+            let mut _9: *mut T;          // in scope 4 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+            let mut _11: std::ptr::NonNull<T>; // in scope 4 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+            let mut _12: *const T;       // in scope 4 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+            scope 5 {
+                debug ptr => _4;         // in scope 5 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+                scope 6 {
+                    let _7: *const T;    // in scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+                    scope 7 {
+                        debug end => _7; // in scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+                        scope 13 (inlined NonNull::<T>::new_unchecked) { // at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+                            debug ptr => _9; // in scope 13 at $SRC_DIR/core/src/ptr/non_null.rs:LL:COL
+                            let mut _10: *const T; // in scope 13 at $SRC_DIR/core/src/ptr/non_null.rs:LL:COL
+                            scope 14 {
+                                scope 15 (inlined NonNull::<T>::new_unchecked::runtime::<T>) { // at $SRC_DIR/core/src/intrinsics.rs:LL:COL
+                                    debug ptr => _9; // in scope 15 at $SRC_DIR/core/src/intrinsics.rs:LL:COL
+                                    scope 16 (inlined ptr::mut_ptr::<impl *mut T>::is_null) { // at $SRC_DIR/core/src/ptr/non_null.rs:LL:COL
+                                        debug self => _9; // in scope 16 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
+                                        let mut _22: *mut u8; // in scope 16 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
+                                        scope 17 {
+                                            scope 18 (inlined ptr::mut_ptr::<impl *mut T>::is_null::runtime_impl) { // at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
+                                                debug ptr => _22; // in scope 18 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
+                                                scope 19 (inlined ptr::mut_ptr::<impl *mut u8>::addr) { // at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
+                                                    debug self => _22; // in scope 19 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
+                                                    scope 20 {
+                                                        scope 21 (inlined ptr::mut_ptr::<impl *mut u8>::cast::<()>) { // at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
+                                                            debug self => _22; // in scope 21 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
+                                                        }
+                                                    }
+                                                }
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    }
+                    scope 9 (inlined invalid::<T>) { // at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+                        debug addr => _8; // in scope 9 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
+                        scope 10 {
+                        }
+                    }
+                    scope 11 (inlined ptr::const_ptr::<impl *const T>::add) { // at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+                        debug self => _4; // in scope 11 at $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
+                        debug count => _6; // in scope 11 at $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
+                        scope 12 {
+                        }
+                    }
+                }
+            }
+            scope 8 (inlined core::slice::<impl [T]>::as_ptr) { // at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+                debug self => _1;        // in scope 8 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+                let mut _3: *const [T];  // in scope 8 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+            }
+        }
+    }
+    scope 22 (inlined <std::slice::Iter<'_, T> as IntoIterator>::into_iter) { // at $DIR/slice_iter.rs:29:14: 29:26
+        debug self => _13;               // in scope 22 at $SRC_DIR/core/src/iter/traits/collect.rs:LL:COL
+    }
+
+    bb0: {
+        StorageLive(_4);                 // scope 3 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+        StorageLive(_3);                 // scope 8 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+        _3 = &raw const (*_1);           // scope 8 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+        _4 = move _3 as *const T (PtrToPtr); // scope 8 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+        StorageDead(_3);                 // scope 8 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+        StorageLive(_7);                 // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        StorageLive(_5);                 // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        _5 = const _;                    // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        switchInt(move _5) -> [0: bb1, otherwise: bb2]; // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+    }
+
+    bb1: {
+        StorageLive(_6);                 // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        _6 = Len((*_1));                 // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        _7 = Offset(_4, _6);             // scope 12 at $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
+        StorageDead(_6);                 // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        goto -> bb3;                     // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+    }
+
+    bb2: {
+        StorageLive(_8);                 // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        _8 = Len((*_1));                 // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        _7 = _8 as *const T (Transmute); // scope 10 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
+        StorageDead(_8);                 // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        goto -> bb3;                     // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+    }
+
+    bb3: {
+        StorageDead(_5);                 // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        StorageLive(_11);                // scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        StorageLive(_9);                 // scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        _9 = _4 as *mut T (PtrToPtr);    // scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        StorageLive(_10);                // scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        StorageLive(_22);                // scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        _10 = _9 as *const T (Pointer(MutToConstPointer)); // scope 14 at $SRC_DIR/core/src/ptr/non_null.rs:LL:COL
+        _11 = NonNull::<T> { pointer: _10 }; // scope 14 at $SRC_DIR/core/src/ptr/non_null.rs:LL:COL
+        StorageDead(_22);                // scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        StorageDead(_10);                // scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        StorageDead(_9);                 // scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        StorageLive(_12);                // scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        _12 = _7;                        // scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        _13 = std::slice::Iter::<'_, T> { ptr: move _11, end: move _12, _marker: const ZeroSized: PhantomData<&T> }; // scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+                                         // mir::Constant
+                                         // + span: no-location
+                                         // + literal: Const { ty: PhantomData<&T>, val: Value(<ZST>) }
+                                         // adt
+                                         // + user_ty: UserType(1)
+        StorageDead(_12);                // scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        StorageDead(_11);                // scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        StorageDead(_7);                 // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        StorageDead(_4);                 // scope 3 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+        StorageLive(_14);                // scope 0 at $DIR/slice_iter.rs:+1:14: +1:26
+        _14 = move _13;                  // scope 0 at $DIR/slice_iter.rs:+1:14: +1:26
+        goto -> bb4;                     // scope 1 at $DIR/slice_iter.rs:+1:5: +3:6
+    }
+
+    bb4: {
+        StorageLive(_16);                // scope 1 at $DIR/slice_iter.rs:+1:14: +1:26
+        _15 = &mut _14;                  // scope 1 at $DIR/slice_iter.rs:+1:14: +1:26
+        _16 = <std::slice::Iter<'_, T> as Iterator>::next(_15) -> [return: bb5, unwind unreachable]; // scope 1 at $DIR/slice_iter.rs:+1:14: +1:26
+                                         // mir::Constant
+                                         // + span: $DIR/slice_iter.rs:29:14: 29:26
+                                         // + literal: Const { ty: for<'a> fn(&'a mut std::slice::Iter<'_, T>) -> Option<<std::slice::Iter<'_, T> as Iterator>::Item> {<std::slice::Iter<'_, T> as Iterator>::next}, val: Value(<ZST>) }
+    }
+
+    bb5: {
+        _17 = discriminant(_16);         // scope 1 at $DIR/slice_iter.rs:+1:14: +1:26
+        switchInt(move _17) -> [0: bb6, 1: bb8, otherwise: bb10]; // scope 1 at $DIR/slice_iter.rs:+1:14: +1:26
+    }
+
+    bb6: {
+        StorageDead(_16);                // scope 1 at $DIR/slice_iter.rs:+3:5: +3:6
+        StorageDead(_14);                // scope 0 at $DIR/slice_iter.rs:+3:5: +3:6
+        drop(_2) -> [return: bb7, unwind unreachable]; // scope 0 at $DIR/slice_iter.rs:+4:1: +4:2
+    }
+
+    bb7: {
+        return;                          // scope 0 at $DIR/slice_iter.rs:+4:2: +4:2
+    }
+
+    bb8: {
+        _18 = ((_16 as Some).0: &T);     // scope 1 at $DIR/slice_iter.rs:+1:9: +1:10
+        StorageLive(_19);                // scope 2 at $DIR/slice_iter.rs:+2:9: +2:10
+        _19 = &_2;                       // scope 2 at $DIR/slice_iter.rs:+2:9: +2:10
+        StorageLive(_20);                // scope 2 at $DIR/slice_iter.rs:+2:9: +2:13
+        _20 = (_18,);                    // scope 2 at $DIR/slice_iter.rs:+2:9: +2:13
+        _21 = <impl Fn(&T) as Fn<(&T,)>>::call(move _19, move _20) -> [return: bb9, unwind unreachable]; // scope 2 at $DIR/slice_iter.rs:+2:9: +2:13
+                                         // mir::Constant
+                                         // + span: $DIR/slice_iter.rs:30:9: 30:10
+                                         // + literal: Const { ty: for<'a> extern "rust-call" fn(&'a impl Fn(&T), (&T,)) -> <impl Fn(&T) as FnOnce<(&T,)>>::Output {<impl Fn(&T) as Fn<(&T,)>>::call}, val: Value(<ZST>) }
+    }
+
+    bb9: {
+        StorageDead(_20);                // scope 2 at $DIR/slice_iter.rs:+2:12: +2:13
+        StorageDead(_19);                // scope 2 at $DIR/slice_iter.rs:+2:12: +2:13
+        StorageDead(_16);                // scope 1 at $DIR/slice_iter.rs:+3:5: +3:6
+        goto -> bb4;                     // scope 1 at $DIR/slice_iter.rs:+1:5: +3:6
+    }
+
+    bb10: {
+        unreachable;                     // scope 1 at $DIR/slice_iter.rs:+1:14: +1:26
+    }
+}
diff --git a/tests/mir-opt/pre-codegen/slice_iter.forward_loop.PreCodegen.after.mir b/tests/mir-opt/pre-codegen/slice_iter.forward_loop.PreCodegen.after.panic-unwind.mir
index 0c18fb84bcd..899e5f58a98 100644
--- a/tests/mir-opt/pre-codegen/slice_iter.forward_loop.PreCodegen.after.mir
+++ b/tests/mir-opt/pre-codegen/slice_iter.forward_loop.PreCodegen.after.panic-unwind.mir
@@ -19,7 +19,7 @@ fn forward_loop(_1: &[T], _2: impl Fn(&T)) -> () {
             debug x => _18;              // in scope 2 at $DIR/slice_iter.rs:+1:9: +1:10
         }
     }
-    scope 3 (inlined core::slice::<impl [T]>::iter) { // at $DIR/slice_iter.rs:28:20: 28:26
+    scope 3 (inlined core::slice::<impl [T]>::iter) { // at $DIR/slice_iter.rs:29:20: 29:26
         debug self => _1;                // in scope 3 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
         scope 4 (inlined std::slice::Iter::<'_, T>::new) { // at $SRC_DIR/core/src/slice/mod.rs:LL:COL
             debug slice => _1;           // in scope 4 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
@@ -82,7 +82,7 @@ fn forward_loop(_1: &[T], _2: impl Fn(&T)) -> () {
             }
         }
     }
-    scope 22 (inlined <std::slice::Iter<'_, T> as IntoIterator>::into_iter) { // at $DIR/slice_iter.rs:28:14: 28:26
+    scope 22 (inlined <std::slice::Iter<'_, T> as IntoIterator>::into_iter) { // at $DIR/slice_iter.rs:29:14: 29:26
         debug self => _13;               // in scope 22 at $SRC_DIR/core/src/iter/traits/collect.rs:LL:COL
     }
 
@@ -148,7 +148,7 @@ fn forward_loop(_1: &[T], _2: impl Fn(&T)) -> () {
         _15 = &mut _14;                  // scope 1 at $DIR/slice_iter.rs:+1:14: +1:26
         _16 = <std::slice::Iter<'_, T> as Iterator>::next(_15) -> [return: bb5, unwind: bb11]; // scope 1 at $DIR/slice_iter.rs:+1:14: +1:26
                                          // mir::Constant
-                                         // + span: $DIR/slice_iter.rs:28:14: 28:26
+                                         // + span: $DIR/slice_iter.rs:29:14: 29:26
                                          // + literal: Const { ty: for<'a> fn(&'a mut std::slice::Iter<'_, T>) -> Option<<std::slice::Iter<'_, T> as Iterator>::Item> {<std::slice::Iter<'_, T> as Iterator>::next}, val: Value(<ZST>) }
     }
 
@@ -175,7 +175,7 @@ fn forward_loop(_1: &[T], _2: impl Fn(&T)) -> () {
         _20 = (_18,);                    // scope 2 at $DIR/slice_iter.rs:+2:9: +2:13
         _21 = <impl Fn(&T) as Fn<(&T,)>>::call(move _19, move _20) -> [return: bb9, unwind: bb11]; // scope 2 at $DIR/slice_iter.rs:+2:9: +2:13
                                          // mir::Constant
-                                         // + span: $DIR/slice_iter.rs:29:9: 29:10
+                                         // + span: $DIR/slice_iter.rs:30:9: 30:10
                                          // + literal: Const { ty: for<'a> extern "rust-call" fn(&'a impl Fn(&T), (&T,)) -> <impl Fn(&T) as FnOnce<(&T,)>>::Output {<impl Fn(&T) as Fn<(&T,)>>::call}, val: Value(<ZST>) }
     }
 
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
new file mode 100644
index 00000000000..119b68bdac4
--- /dev/null
+++ b/tests/mir-opt/pre-codegen/slice_iter.range_loop.PreCodegen.after.panic-abort.mir
@@ -0,0 +1,153 @@
+// MIR for `range_loop` after PreCodegen
+
+fn range_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () {
+    debug slice => _1;                   // in scope 0 at $DIR/slice_iter.rs:+0:26: +0:31
+    debug f => _2;                       // in scope 0 at $DIR/slice_iter.rs:+0:42: +0:43
+    let mut _0: ();                      // return place in scope 0 at $DIR/slice_iter.rs:+0:65: +0:65
+    let mut _3: usize;                   // in scope 0 at $DIR/slice_iter.rs:+1:17: +1:28
+    let mut _4: std::ops::Range<usize>;  // in scope 0 at $DIR/slice_iter.rs:+1:14: +1:28
+    let mut _5: std::ops::Range<usize>;  // in scope 0 at $DIR/slice_iter.rs:+1:14: +1:28
+    let mut _6: &mut std::ops::Range<usize>; // in scope 0 at $DIR/slice_iter.rs:+1:14: +1:28
+    let mut _12: std::option::Option<usize>; // in scope 0 at $DIR/slice_iter.rs:+1:14: +1:28
+    let mut _15: isize;                  // in scope 0 at $DIR/slice_iter.rs:+1:5: +4:6
+    let mut _17: usize;                  // in scope 0 at $DIR/slice_iter.rs:+2:18: +2:26
+    let mut _18: bool;                   // in scope 0 at $DIR/slice_iter.rs:+2:18: +2:26
+    let mut _20: &impl Fn(usize, &T);    // in scope 0 at $DIR/slice_iter.rs:+3:9: +3:10
+    let mut _21: (usize, &T);            // in scope 0 at $DIR/slice_iter.rs:+3:9: +3:16
+    let _22: ();                         // in scope 0 at $DIR/slice_iter.rs:+1:14: +1:28
+    scope 1 {
+        debug iter => _5;                // in scope 1 at $DIR/slice_iter.rs:+1:14: +1:28
+        let _16: usize;                  // in scope 1 at $DIR/slice_iter.rs:+1:9: +1:10
+        scope 2 {
+            debug i => _16;              // in scope 2 at $DIR/slice_iter.rs:+1:9: +1:10
+            let _19: &T;                 // in scope 2 at $DIR/slice_iter.rs:+2:13: +2:14
+            scope 3 {
+                debug x => _19;          // in scope 3 at $DIR/slice_iter.rs:+2:13: +2:14
+            }
+        }
+        scope 5 (inlined iter::range::<impl Iterator for std::ops::Range<usize>>::next) { // at $DIR/slice_iter.rs:50:14: 50:28
+            debug self => _6;            // in scope 5 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+            scope 6 (inlined <std::ops::Range<usize> as iter::range::RangeIteratorImpl>::spec_next) { // at $SRC_DIR/core/src/iter/range.rs:LL:COL
+                debug self => _6;        // in scope 6 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+                let mut _7: &usize;      // in scope 6 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+                let mut _8: &usize;      // in scope 6 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+                let mut _11: bool;       // in scope 6 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+                let _13: usize;          // in scope 6 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+                let mut _14: usize;      // in scope 6 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+                scope 7 {
+                    debug old => _13;    // in scope 7 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+                    scope 8 {
+                    }
+                }
+                scope 9 (inlined cmp::impls::<impl PartialOrd for usize>::lt) { // at $SRC_DIR/core/src/iter/range.rs:LL:COL
+                    debug self => _7;    // in scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
+                    debug other => _8;   // in scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
+                    let mut _9: usize;   // in scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
+                    let mut _10: usize;  // in scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
+                }
+            }
+        }
+    }
+    scope 4 (inlined <std::ops::Range<usize> as IntoIterator>::into_iter) { // at $DIR/slice_iter.rs:50:14: 50:28
+        debug self => _4;                // in scope 4 at $SRC_DIR/core/src/iter/traits/collect.rs:LL:COL
+    }
+
+    bb0: {
+        StorageLive(_3);                 // scope 0 at $DIR/slice_iter.rs:+1:17: +1:28
+        _3 = Len((*_1));                 // scope 0 at $DIR/slice_iter.rs:+1:17: +1:28
+        _4 = std::ops::Range::<usize> { start: const 0_usize, end: move _3 }; // scope 0 at $DIR/slice_iter.rs:+1:14: +1:28
+        StorageDead(_3);                 // scope 0 at $DIR/slice_iter.rs:+1:27: +1:28
+        StorageLive(_5);                 // scope 0 at $DIR/slice_iter.rs:+1:14: +1:28
+        _5 = move _4;                    // scope 0 at $DIR/slice_iter.rs:+1:14: +1:28
+        goto -> bb1;                     // scope 1 at $DIR/slice_iter.rs:+1:5: +4:6
+    }
+
+    bb1: {
+        StorageLive(_12);                // scope 1 at $DIR/slice_iter.rs:+1:14: +1:28
+        _6 = &mut _5;                    // scope 1 at $DIR/slice_iter.rs:+1:14: +1:28
+        StorageLive(_13);                // scope 5 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+        StorageLive(_11);                // scope 6 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+        StorageLive(_7);                 // scope 6 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+        _7 = &((*_6).0: usize);          // scope 6 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+        StorageLive(_8);                 // scope 6 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+        _8 = &((*_6).1: usize);          // scope 6 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+        StorageLive(_9);                 // scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
+        _9 = (*_7);                      // scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
+        StorageLive(_10);                // scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
+        _10 = (*_8);                     // scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
+        _11 = Lt(move _9, move _10);     // scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
+        StorageDead(_10);                // scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
+        StorageDead(_9);                 // scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
+        StorageDead(_8);                 // scope 6 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+        StorageDead(_7);                 // scope 6 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+        switchInt(move _11) -> [0: bb2, otherwise: bb3]; // scope 6 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+    }
+
+    bb2: {
+        _12 = Option::<usize>::None;     // scope 6 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+        goto -> bb5;                     // scope 6 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+    }
+
+    bb3: {
+        _13 = ((*_6).0: usize);          // scope 6 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+        StorageLive(_14);                // scope 7 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+        _14 = <usize as Step>::forward_unchecked(_13, const 1_usize) -> [return: bb4, unwind unreachable]; // scope 8 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+                                         // mir::Constant
+                                         // + span: $SRC_DIR/core/src/iter/range.rs:LL:COL
+                                         // + literal: Const { ty: unsafe fn(usize, usize) -> usize {<usize as Step>::forward_unchecked}, val: Value(<ZST>) }
+    }
+
+    bb4: {
+        ((*_6).0: usize) = move _14;     // scope 7 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+        StorageDead(_14);                // scope 7 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+        _12 = Option::<usize>::Some(_13); // scope 7 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+        goto -> bb5;                     // scope 6 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+    }
+
+    bb5: {
+        StorageDead(_11);                // scope 6 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+        StorageDead(_13);                // scope 5 at $SRC_DIR/core/src/iter/range.rs:LL:COL
+        _15 = discriminant(_12);         // scope 1 at $DIR/slice_iter.rs:+1:14: +1:28
+        switchInt(move _15) -> [0: bb6, 1: bb8, otherwise: bb11]; // scope 1 at $DIR/slice_iter.rs:+1:14: +1:28
+    }
+
+    bb6: {
+        StorageDead(_12);                // scope 1 at $DIR/slice_iter.rs:+4:5: +4:6
+        StorageDead(_5);                 // scope 0 at $DIR/slice_iter.rs:+4:5: +4:6
+        drop(_2) -> [return: bb7, unwind unreachable]; // scope 0 at $DIR/slice_iter.rs:+5:1: +5:2
+    }
+
+    bb7: {
+        return;                          // scope 0 at $DIR/slice_iter.rs:+5:2: +5:2
+    }
+
+    bb8: {
+        _16 = ((_12 as Some).0: usize);  // scope 1 at $DIR/slice_iter.rs:+1:9: +1:10
+        _17 = Len((*_1));                // scope 2 at $DIR/slice_iter.rs:+2:18: +2:26
+        _18 = Lt(_16, _17);              // scope 2 at $DIR/slice_iter.rs:+2:18: +2:26
+        assert(move _18, "index out of bounds: the length is {} but the index is {}", move _17, _16) -> [success: bb9, unwind unreachable]; // scope 2 at $DIR/slice_iter.rs:+2:18: +2:26
+    }
+
+    bb9: {
+        _19 = &(*_1)[_16];               // scope 2 at $DIR/slice_iter.rs:+2:17: +2:26
+        StorageLive(_20);                // scope 3 at $DIR/slice_iter.rs:+3:9: +3:10
+        _20 = &_2;                       // scope 3 at $DIR/slice_iter.rs:+3:9: +3:10
+        StorageLive(_21);                // scope 3 at $DIR/slice_iter.rs:+3:9: +3:16
+        _21 = (_16, _19);                // scope 3 at $DIR/slice_iter.rs:+3:9: +3:16
+        _22 = <impl Fn(usize, &T) as Fn<(usize, &T)>>::call(move _20, move _21) -> [return: bb10, unwind unreachable]; // scope 3 at $DIR/slice_iter.rs:+3:9: +3:16
+                                         // mir::Constant
+                                         // + span: $DIR/slice_iter.rs:52:9: 52:10
+                                         // + literal: Const { ty: for<'a> extern "rust-call" fn(&'a impl Fn(usize, &T), (usize, &T)) -> <impl Fn(usize, &T) as FnOnce<(usize, &T)>>::Output {<impl Fn(usize, &T) as Fn<(usize, &T)>>::call}, val: Value(<ZST>) }
+    }
+
+    bb10: {
+        StorageDead(_21);                // scope 3 at $DIR/slice_iter.rs:+3:15: +3:16
+        StorageDead(_20);                // scope 3 at $DIR/slice_iter.rs:+3:15: +3:16
+        StorageDead(_12);                // scope 1 at $DIR/slice_iter.rs:+4:5: +4:6
+        goto -> bb1;                     // scope 1 at $DIR/slice_iter.rs:+1:5: +4:6
+    }
+
+    bb11: {
+        unreachable;                     // scope 1 at $DIR/slice_iter.rs:+1:14: +1:28
+    }
+}
diff --git a/tests/mir-opt/pre-codegen/slice_iter.range_loop.PreCodegen.after.mir b/tests/mir-opt/pre-codegen/slice_iter.range_loop.PreCodegen.after.panic-unwind.mir
index 870496f14ea..2ec1ffd875c 100644
--- a/tests/mir-opt/pre-codegen/slice_iter.range_loop.PreCodegen.after.mir
+++ b/tests/mir-opt/pre-codegen/slice_iter.range_loop.PreCodegen.after.panic-unwind.mir
@@ -25,7 +25,7 @@ fn range_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () {
                 debug x => _19;          // in scope 3 at $DIR/slice_iter.rs:+2:13: +2:14
             }
         }
-        scope 5 (inlined iter::range::<impl Iterator for std::ops::Range<usize>>::next) { // at $DIR/slice_iter.rs:49:14: 49:28
+        scope 5 (inlined iter::range::<impl Iterator for std::ops::Range<usize>>::next) { // at $DIR/slice_iter.rs:50:14: 50:28
             debug self => _6;            // in scope 5 at $SRC_DIR/core/src/iter/range.rs:LL:COL
             scope 6 (inlined <std::ops::Range<usize> as iter::range::RangeIteratorImpl>::spec_next) { // at $SRC_DIR/core/src/iter/range.rs:LL:COL
                 debug self => _6;        // in scope 6 at $SRC_DIR/core/src/iter/range.rs:LL:COL
@@ -48,7 +48,7 @@ fn range_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () {
             }
         }
     }
-    scope 4 (inlined <std::ops::Range<usize> as IntoIterator>::into_iter) { // at $DIR/slice_iter.rs:49:14: 49:28
+    scope 4 (inlined <std::ops::Range<usize> as IntoIterator>::into_iter) { // at $DIR/slice_iter.rs:50:14: 50:28
         debug self => _4;                // in scope 4 at $SRC_DIR/core/src/iter/traits/collect.rs:LL:COL
     }
 
@@ -136,7 +136,7 @@ fn range_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () {
         _21 = (_16, _19);                // scope 3 at $DIR/slice_iter.rs:+3:9: +3:16
         _22 = <impl Fn(usize, &T) as Fn<(usize, &T)>>::call(move _20, move _21) -> [return: bb10, unwind: bb12]; // scope 3 at $DIR/slice_iter.rs:+3:9: +3:16
                                          // mir::Constant
-                                         // + span: $DIR/slice_iter.rs:51:9: 51:10
+                                         // + span: $DIR/slice_iter.rs:52:9: 52:10
                                          // + literal: Const { ty: for<'a> extern "rust-call" fn(&'a impl Fn(usize, &T), (usize, &T)) -> <impl Fn(usize, &T) as FnOnce<(usize, &T)>>::Output {<impl Fn(usize, &T) as Fn<(usize, &T)>>::call}, val: Value(<ZST>) }
     }
 
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
new file mode 100644
index 00000000000..bb76212c8ba
--- /dev/null
+++ b/tests/mir-opt/pre-codegen/slice_iter.reverse_loop.PreCodegen.after.panic-abort.mir
@@ -0,0 +1,209 @@
+// MIR for `reverse_loop` after PreCodegen
+
+fn reverse_loop(_1: &[T], _2: impl Fn(&T)) -> () {
+    debug slice => _1;                   // in scope 0 at $DIR/slice_iter.rs:+0:28: +0:33
+    debug f => _2;                       // in scope 0 at $DIR/slice_iter.rs:+0:44: +0:45
+    let mut _0: ();                      // return place in scope 0 at $DIR/slice_iter.rs:+0:60: +0:60
+    let mut _13: std::slice::Iter<'_, T>; // in scope 0 at $DIR/slice_iter.rs:+1:14: +1:26
+    let mut _14: std::iter::Rev<std::slice::Iter<'_, T>>; // in scope 0 at $DIR/slice_iter.rs:+1:14: +1:32
+    let mut _15: std::iter::Rev<std::slice::Iter<'_, T>>; // in scope 0 at $DIR/slice_iter.rs:+1:14: +1:32
+    let mut _16: &mut std::iter::Rev<std::slice::Iter<'_, T>>; // in scope 0 at $DIR/slice_iter.rs:+1:14: +1:32
+    let mut _18: std::option::Option<&T>; // in scope 0 at $DIR/slice_iter.rs:+1:14: +1:32
+    let mut _19: isize;                  // in scope 0 at $DIR/slice_iter.rs:+1:5: +3:6
+    let mut _21: &impl Fn(&T);           // in scope 0 at $DIR/slice_iter.rs:+2:9: +2:10
+    let mut _22: (&T,);                  // in scope 0 at $DIR/slice_iter.rs:+2:9: +2:13
+    let _23: ();                         // in scope 0 at $DIR/slice_iter.rs:+1:14: +1:32
+    scope 1 {
+        debug iter => _15;               // in scope 1 at $DIR/slice_iter.rs:+1:14: +1:32
+        let _20: &T;                     // in scope 1 at $DIR/slice_iter.rs:+1:9: +1:10
+        scope 2 {
+            debug x => _20;              // in scope 2 at $DIR/slice_iter.rs:+1:9: +1:10
+        }
+        scope 25 (inlined <Rev<std::slice::Iter<'_, T>> as Iterator>::next) { // at $DIR/slice_iter.rs:36:14: 36:32
+            debug self => _16;           // in scope 25 at $SRC_DIR/core/src/iter/adapters/rev.rs:LL:COL
+            let mut _17: &mut std::slice::Iter<'_, T>; // in scope 25 at $SRC_DIR/core/src/iter/adapters/rev.rs:LL:COL
+        }
+    }
+    scope 3 (inlined core::slice::<impl [T]>::iter) { // at $DIR/slice_iter.rs:36:20: 36:26
+        debug self => _1;                // in scope 3 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+        scope 4 (inlined std::slice::Iter::<'_, T>::new) { // at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+            debug slice => _1;           // in scope 4 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+            let _4: *const T;            // in scope 4 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+            let mut _5: bool;            // in scope 4 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+            let mut _6: usize;           // in scope 4 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+            let mut _8: usize;           // in scope 4 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+            let mut _9: *mut T;          // in scope 4 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+            let mut _11: std::ptr::NonNull<T>; // in scope 4 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+            let mut _12: *const T;       // in scope 4 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+            scope 5 {
+                debug ptr => _4;         // in scope 5 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+                scope 6 {
+                    let _7: *const T;    // in scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+                    scope 7 {
+                        debug end => _7; // in scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+                        scope 13 (inlined NonNull::<T>::new_unchecked) { // at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+                            debug ptr => _9; // in scope 13 at $SRC_DIR/core/src/ptr/non_null.rs:LL:COL
+                            let mut _10: *const T; // in scope 13 at $SRC_DIR/core/src/ptr/non_null.rs:LL:COL
+                            scope 14 {
+                                scope 15 (inlined NonNull::<T>::new_unchecked::runtime::<T>) { // at $SRC_DIR/core/src/intrinsics.rs:LL:COL
+                                    debug ptr => _9; // in scope 15 at $SRC_DIR/core/src/intrinsics.rs:LL:COL
+                                    scope 16 (inlined ptr::mut_ptr::<impl *mut T>::is_null) { // at $SRC_DIR/core/src/ptr/non_null.rs:LL:COL
+                                        debug self => _9; // in scope 16 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
+                                        let mut _24: *mut u8; // in scope 16 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
+                                        scope 17 {
+                                            scope 18 (inlined ptr::mut_ptr::<impl *mut T>::is_null::runtime_impl) { // at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
+                                                debug ptr => _24; // in scope 18 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
+                                                scope 19 (inlined ptr::mut_ptr::<impl *mut u8>::addr) { // at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
+                                                    debug self => _24; // in scope 19 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
+                                                    scope 20 {
+                                                        scope 21 (inlined ptr::mut_ptr::<impl *mut u8>::cast::<()>) { // at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
+                                                            debug self => _24; // in scope 21 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
+                                                        }
+                                                    }
+                                                }
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    }
+                    scope 9 (inlined invalid::<T>) { // at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+                        debug addr => _8; // in scope 9 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
+                        scope 10 {
+                        }
+                    }
+                    scope 11 (inlined ptr::const_ptr::<impl *const T>::add) { // at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+                        debug self => _4; // in scope 11 at $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
+                        debug count => _6; // in scope 11 at $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
+                        scope 12 {
+                        }
+                    }
+                }
+            }
+            scope 8 (inlined core::slice::<impl [T]>::as_ptr) { // at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+                debug self => _1;        // in scope 8 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+                let mut _3: *const [T];  // in scope 8 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+            }
+        }
+    }
+    scope 22 (inlined <std::slice::Iter<'_, T> as Iterator>::rev) { // at $DIR/slice_iter.rs:36:27: 36:32
+        debug self => _13;               // in scope 22 at $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL
+        scope 23 (inlined Rev::<std::slice::Iter<'_, T>>::new) { // at $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL
+            debug iter => _13;           // in scope 23 at $SRC_DIR/core/src/iter/adapters/rev.rs:LL:COL
+        }
+    }
+    scope 24 (inlined <Rev<std::slice::Iter<'_, T>> as IntoIterator>::into_iter) { // at $DIR/slice_iter.rs:36:14: 36:32
+        debug self => _14;               // in scope 24 at $SRC_DIR/core/src/iter/traits/collect.rs:LL:COL
+    }
+
+    bb0: {
+        StorageLive(_13);                // scope 0 at $DIR/slice_iter.rs:+1:14: +1:26
+        StorageLive(_4);                 // scope 3 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+        StorageLive(_3);                 // scope 8 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+        _3 = &raw const (*_1);           // scope 8 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+        _4 = move _3 as *const T (PtrToPtr); // scope 8 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+        StorageDead(_3);                 // scope 8 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+        StorageLive(_7);                 // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        StorageLive(_5);                 // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        _5 = const _;                    // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        switchInt(move _5) -> [0: bb1, otherwise: bb2]; // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+    }
+
+    bb1: {
+        StorageLive(_6);                 // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        _6 = Len((*_1));                 // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        _7 = Offset(_4, _6);             // scope 12 at $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
+        StorageDead(_6);                 // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        goto -> bb3;                     // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+    }
+
+    bb2: {
+        StorageLive(_8);                 // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        _8 = Len((*_1));                 // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        _7 = _8 as *const T (Transmute); // scope 10 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
+        StorageDead(_8);                 // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        goto -> bb3;                     // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+    }
+
+    bb3: {
+        StorageDead(_5);                 // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        StorageLive(_11);                // scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        StorageLive(_9);                 // scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        _9 = _4 as *mut T (PtrToPtr);    // scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        StorageLive(_10);                // scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        StorageLive(_24);                // scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        _10 = _9 as *const T (Pointer(MutToConstPointer)); // scope 14 at $SRC_DIR/core/src/ptr/non_null.rs:LL:COL
+        _11 = NonNull::<T> { pointer: _10 }; // scope 14 at $SRC_DIR/core/src/ptr/non_null.rs:LL:COL
+        StorageDead(_24);                // scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        StorageDead(_10);                // scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        StorageDead(_9);                 // scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        StorageLive(_12);                // scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        _12 = _7;                        // scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        _13 = std::slice::Iter::<'_, T> { ptr: move _11, end: move _12, _marker: const ZeroSized: PhantomData<&T> }; // scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+                                         // mir::Constant
+                                         // + span: no-location
+                                         // + literal: Const { ty: PhantomData<&T>, val: Value(<ZST>) }
+                                         // adt
+                                         // + user_ty: UserType(1)
+        StorageDead(_12);                // scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        StorageDead(_11);                // scope 7 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        StorageDead(_7);                 // scope 6 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
+        StorageDead(_4);                 // scope 3 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
+        _14 = Rev::<std::slice::Iter<'_, T>> { iter: move _13 }; // scope 23 at $SRC_DIR/core/src/iter/adapters/rev.rs:LL:COL
+        StorageDead(_13);                // scope 0 at $DIR/slice_iter.rs:+1:31: +1:32
+        StorageLive(_15);                // scope 0 at $DIR/slice_iter.rs:+1:14: +1:32
+        _15 = move _14;                  // scope 0 at $DIR/slice_iter.rs:+1:14: +1:32
+        goto -> bb4;                     // scope 1 at $DIR/slice_iter.rs:+1:5: +3:6
+    }
+
+    bb4: {
+        StorageLive(_18);                // scope 1 at $DIR/slice_iter.rs:+1:14: +1:32
+        _16 = &mut _15;                  // scope 1 at $DIR/slice_iter.rs:+1:14: +1:32
+        StorageLive(_17);                // scope 25 at $SRC_DIR/core/src/iter/adapters/rev.rs:LL:COL
+        _17 = &mut ((*_16).0: std::slice::Iter<'_, T>); // scope 25 at $SRC_DIR/core/src/iter/adapters/rev.rs:LL:COL
+        _18 = <std::slice::Iter<'_, T> as DoubleEndedIterator>::next_back(move _17) -> [return: bb5, unwind unreachable]; // scope 25 at $SRC_DIR/core/src/iter/adapters/rev.rs:LL:COL
+                                         // mir::Constant
+                                         // + span: $SRC_DIR/core/src/iter/adapters/rev.rs:LL:COL
+                                         // + literal: Const { ty: for<'a> fn(&'a mut std::slice::Iter<'_, T>) -> Option<<std::slice::Iter<'_, T> as Iterator>::Item> {<std::slice::Iter<'_, T> as DoubleEndedIterator>::next_back}, val: Value(<ZST>) }
+    }
+
+    bb5: {
+        StorageDead(_17);                // scope 25 at $SRC_DIR/core/src/iter/adapters/rev.rs:LL:COL
+        _19 = discriminant(_18);         // scope 1 at $DIR/slice_iter.rs:+1:14: +1:32
+        switchInt(move _19) -> [0: bb6, 1: bb8, otherwise: bb10]; // scope 1 at $DIR/slice_iter.rs:+1:14: +1:32
+    }
+
+    bb6: {
+        StorageDead(_18);                // scope 1 at $DIR/slice_iter.rs:+3:5: +3:6
+        StorageDead(_15);                // scope 0 at $DIR/slice_iter.rs:+3:5: +3:6
+        drop(_2) -> [return: bb7, unwind unreachable]; // scope 0 at $DIR/slice_iter.rs:+4:1: +4:2
+    }
+
+    bb7: {
+        return;                          // scope 0 at $DIR/slice_iter.rs:+4:2: +4:2
+    }
+
+    bb8: {
+        _20 = ((_18 as Some).0: &T);     // scope 1 at $DIR/slice_iter.rs:+1:9: +1:10
+        StorageLive(_21);                // scope 2 at $DIR/slice_iter.rs:+2:9: +2:10
+        _21 = &_2;                       // scope 2 at $DIR/slice_iter.rs:+2:9: +2:10
+        StorageLive(_22);                // scope 2 at $DIR/slice_iter.rs:+2:9: +2:13
+        _22 = (_20,);                    // scope 2 at $DIR/slice_iter.rs:+2:9: +2:13
+        _23 = <impl Fn(&T) as Fn<(&T,)>>::call(move _21, move _22) -> [return: bb9, unwind unreachable]; // scope 2 at $DIR/slice_iter.rs:+2:9: +2:13
+                                         // mir::Constant
+                                         // + span: $DIR/slice_iter.rs:37:9: 37:10
+                                         // + literal: Const { ty: for<'a> extern "rust-call" fn(&'a impl Fn(&T), (&T,)) -> <impl Fn(&T) as FnOnce<(&T,)>>::Output {<impl Fn(&T) as Fn<(&T,)>>::call}, val: Value(<ZST>) }
+    }
+
+    bb9: {
+        StorageDead(_22);                // scope 2 at $DIR/slice_iter.rs:+2:12: +2:13
+        StorageDead(_21);                // scope 2 at $DIR/slice_iter.rs:+2:12: +2:13
+        StorageDead(_18);                // scope 1 at $DIR/slice_iter.rs:+3:5: +3:6
+        goto -> bb4;                     // scope 1 at $DIR/slice_iter.rs:+1:5: +3:6
+    }
+
+    bb10: {
+        unreachable;                     // scope 1 at $DIR/slice_iter.rs:+1:14: +1:32
+    }
+}
diff --git a/tests/mir-opt/pre-codegen/slice_iter.reverse_loop.PreCodegen.after.mir b/tests/mir-opt/pre-codegen/slice_iter.reverse_loop.PreCodegen.after.panic-unwind.mir
index 1aa05cbeb97..6058e5fba59 100644
--- a/tests/mir-opt/pre-codegen/slice_iter.reverse_loop.PreCodegen.after.mir
+++ b/tests/mir-opt/pre-codegen/slice_iter.reverse_loop.PreCodegen.after.panic-unwind.mir
@@ -19,12 +19,12 @@ fn reverse_loop(_1: &[T], _2: impl Fn(&T)) -> () {
         scope 2 {
             debug x => _20;              // in scope 2 at $DIR/slice_iter.rs:+1:9: +1:10
         }
-        scope 25 (inlined <Rev<std::slice::Iter<'_, T>> as Iterator>::next) { // at $DIR/slice_iter.rs:35:14: 35:32
+        scope 25 (inlined <Rev<std::slice::Iter<'_, T>> as Iterator>::next) { // at $DIR/slice_iter.rs:36:14: 36:32
             debug self => _16;           // in scope 25 at $SRC_DIR/core/src/iter/adapters/rev.rs:LL:COL
             let mut _17: &mut std::slice::Iter<'_, T>; // in scope 25 at $SRC_DIR/core/src/iter/adapters/rev.rs:LL:COL
         }
     }
-    scope 3 (inlined core::slice::<impl [T]>::iter) { // at $DIR/slice_iter.rs:35:20: 35:26
+    scope 3 (inlined core::slice::<impl [T]>::iter) { // at $DIR/slice_iter.rs:36:20: 36:26
         debug self => _1;                // in scope 3 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
         scope 4 (inlined std::slice::Iter::<'_, T>::new) { // at $SRC_DIR/core/src/slice/mod.rs:LL:COL
             debug slice => _1;           // in scope 4 at $SRC_DIR/core/src/slice/iter.rs:LL:COL
@@ -87,13 +87,13 @@ fn reverse_loop(_1: &[T], _2: impl Fn(&T)) -> () {
             }
         }
     }
-    scope 22 (inlined <std::slice::Iter<'_, T> as Iterator>::rev) { // at $DIR/slice_iter.rs:35:27: 35:32
+    scope 22 (inlined <std::slice::Iter<'_, T> as Iterator>::rev) { // at $DIR/slice_iter.rs:36:27: 36:32
         debug self => _13;               // in scope 22 at $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL
         scope 23 (inlined Rev::<std::slice::Iter<'_, T>>::new) { // at $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL
             debug iter => _13;           // in scope 23 at $SRC_DIR/core/src/iter/adapters/rev.rs:LL:COL
         }
     }
-    scope 24 (inlined <Rev<std::slice::Iter<'_, T>> as IntoIterator>::into_iter) { // at $DIR/slice_iter.rs:35:14: 35:32
+    scope 24 (inlined <Rev<std::slice::Iter<'_, T>> as IntoIterator>::into_iter) { // at $DIR/slice_iter.rs:36:14: 36:32
         debug self => _14;               // in scope 24 at $SRC_DIR/core/src/iter/traits/collect.rs:LL:COL
     }
 
@@ -192,7 +192,7 @@ fn reverse_loop(_1: &[T], _2: impl Fn(&T)) -> () {
         _22 = (_20,);                    // scope 2 at $DIR/slice_iter.rs:+2:9: +2:13
         _23 = <impl Fn(&T) as Fn<(&T,)>>::call(move _21, move _22) -> [return: bb9, unwind: bb11]; // scope 2 at $DIR/slice_iter.rs:+2:9: +2:13
                                          // mir::Constant
-                                         // + span: $DIR/slice_iter.rs:36:9: 36:10
+                                         // + span: $DIR/slice_iter.rs:37:9: 37:10
                                          // + literal: Const { ty: for<'a> extern "rust-call" fn(&'a impl Fn(&T), (&T,)) -> <impl Fn(&T) as FnOnce<(&T,)>>::Output {<impl Fn(&T) as Fn<(&T,)>>::call}, val: Value(<ZST>) }
     }
 
diff --git a/tests/mir-opt/pre-codegen/slice_iter.slice_iter_mut_next_back.PreCodegen.after.panic-abort.mir b/tests/mir-opt/pre-codegen/slice_iter.slice_iter_mut_next_back.PreCodegen.after.panic-abort.mir
new file mode 100644
index 00000000000..bc0257b8db2
--- /dev/null
+++ b/tests/mir-opt/pre-codegen/slice_iter.slice_iter_mut_next_back.PreCodegen.after.panic-abort.mir
@@ -0,0 +1,17 @@
+// MIR for `slice_iter_mut_next_back` after PreCodegen
+
+fn slice_iter_mut_next_back(_1: &mut std::slice::IterMut<'_, T>) -> Option<&mut T> {
+    debug it => _1;                      // in scope 0 at $DIR/slice_iter.rs:+0:40: +0:42
+    let mut _0: std::option::Option<&mut T>; // return place in scope 0 at $DIR/slice_iter.rs:+0:80: +0:97
+
+    bb0: {
+        _0 = <std::slice::IterMut<'_, T> as DoubleEndedIterator>::next_back(_1) -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/slice_iter.rs:+1:5: +1:19
+                                         // mir::Constant
+                                         // + span: $DIR/slice_iter.rs:24:8: 24:17
+                                         // + literal: Const { ty: for<'a> fn(&'a mut std::slice::IterMut<'_, T>) -> Option<<std::slice::IterMut<'_, T> as Iterator>::Item> {<std::slice::IterMut<'_, T> as DoubleEndedIterator>::next_back}, val: Value(<ZST>) }
+    }
+
+    bb1: {
+        return;                          // scope 0 at $DIR/slice_iter.rs:+2:2: +2:2
+    }
+}
diff --git a/tests/mir-opt/pre-codegen/slice_iter.slice_iter_mut_next_back.PreCodegen.after.mir b/tests/mir-opt/pre-codegen/slice_iter.slice_iter_mut_next_back.PreCodegen.after.panic-unwind.mir
index a1431d473bc..a1de522826d 100644
--- a/tests/mir-opt/pre-codegen/slice_iter.slice_iter_mut_next_back.PreCodegen.after.mir
+++ b/tests/mir-opt/pre-codegen/slice_iter.slice_iter_mut_next_back.PreCodegen.after.panic-unwind.mir
@@ -7,7 +7,7 @@ fn slice_iter_mut_next_back(_1: &mut std::slice::IterMut<'_, T>) -> Option<&mut
     bb0: {
         _0 = <std::slice::IterMut<'_, T> as DoubleEndedIterator>::next_back(_1) -> bb1; // scope 0 at $DIR/slice_iter.rs:+1:5: +1:19
                                          // mir::Constant
-                                         // + span: $DIR/slice_iter.rs:23:8: 23:17
+                                         // + span: $DIR/slice_iter.rs:24:8: 24:17
                                          // + literal: Const { ty: for<'a> fn(&'a mut std::slice::IterMut<'_, T>) -> Option<<std::slice::IterMut<'_, T> as Iterator>::Item> {<std::slice::IterMut<'_, T> as DoubleEndedIterator>::next_back}, val: Value(<ZST>) }
     }
 
diff --git a/tests/mir-opt/pre-codegen/slice_iter.slice_iter_next.PreCodegen.after.panic-abort.mir b/tests/mir-opt/pre-codegen/slice_iter.slice_iter_next.PreCodegen.after.panic-abort.mir
new file mode 100644
index 00000000000..1dfcb04c421
--- /dev/null
+++ b/tests/mir-opt/pre-codegen/slice_iter.slice_iter_next.PreCodegen.after.panic-abort.mir
@@ -0,0 +1,17 @@
+// MIR for `slice_iter_next` after PreCodegen
+
+fn slice_iter_next(_1: &mut std::slice::Iter<'_, T>) -> Option<&T> {
+    debug it => _1;                      // in scope 0 at $DIR/slice_iter.rs:+0:31: +0:33
+    let mut _0: std::option::Option<&T>; // return place in scope 0 at $DIR/slice_iter.rs:+0:68: +0:81
+
+    bb0: {
+        _0 = <std::slice::Iter<'_, T> as Iterator>::next(_1) -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/slice_iter.rs:+1:5: +1:14
+                                         // mir::Constant
+                                         // + span: $DIR/slice_iter.rs:19:8: 19:12
+                                         // + literal: Const { ty: for<'a> fn(&'a mut std::slice::Iter<'_, T>) -> Option<<std::slice::Iter<'_, T> as Iterator>::Item> {<std::slice::Iter<'_, T> as Iterator>::next}, val: Value(<ZST>) }
+    }
+
+    bb1: {
+        return;                          // scope 0 at $DIR/slice_iter.rs:+2:2: +2:2
+    }
+}
diff --git a/tests/mir-opt/pre-codegen/slice_iter.slice_iter_next.PreCodegen.after.mir b/tests/mir-opt/pre-codegen/slice_iter.slice_iter_next.PreCodegen.after.panic-unwind.mir
index d2a963cad12..2aef35e771e 100644
--- a/tests/mir-opt/pre-codegen/slice_iter.slice_iter_next.PreCodegen.after.mir
+++ b/tests/mir-opt/pre-codegen/slice_iter.slice_iter_next.PreCodegen.after.panic-unwind.mir
@@ -7,7 +7,7 @@ fn slice_iter_next(_1: &mut std::slice::Iter<'_, T>) -> Option<&T> {
     bb0: {
         _0 = <std::slice::Iter<'_, T> as Iterator>::next(_1) -> bb1; // scope 0 at $DIR/slice_iter.rs:+1:5: +1:14
                                          // mir::Constant
-                                         // + span: $DIR/slice_iter.rs:18:8: 18:12
+                                         // + span: $DIR/slice_iter.rs:19:8: 19:12
                                          // + literal: Const { ty: for<'a> fn(&'a mut std::slice::Iter<'_, T>) -> Option<<std::slice::Iter<'_, T> as Iterator>::Item> {<std::slice::Iter<'_, T> as Iterator>::next}, val: Value(<ZST>) }
     }
 
diff --git a/tests/mir-opt/remove_fake_borrows.match_guard.CleanupPostBorrowck.diff b/tests/mir-opt/remove_fake_borrows.match_guard.CleanupPostBorrowck.panic-abort.diff
index 0b3da98a5a1..0b3da98a5a1 100644
--- a/tests/mir-opt/remove_fake_borrows.match_guard.CleanupPostBorrowck.diff
+++ b/tests/mir-opt/remove_fake_borrows.match_guard.CleanupPostBorrowck.panic-abort.diff
diff --git a/tests/mir-opt/remove_fake_borrows.match_guard.CleanupPostBorrowck.panic-unwind.diff b/tests/mir-opt/remove_fake_borrows.match_guard.CleanupPostBorrowck.panic-unwind.diff
new file mode 100644
index 00000000000..0b3da98a5a1
--- /dev/null
+++ b/tests/mir-opt/remove_fake_borrows.match_guard.CleanupPostBorrowck.panic-unwind.diff
@@ -0,0 +1,74 @@
+- // MIR for `match_guard` before CleanupPostBorrowck
++ // MIR for `match_guard` after CleanupPostBorrowck
+  
+  fn match_guard(_1: Option<&&i32>, _2: bool) -> i32 {
+      debug x => _1;                       // in scope 0 at $DIR/remove_fake_borrows.rs:+0:16: +0:17
+      debug c => _2;                       // in scope 0 at $DIR/remove_fake_borrows.rs:+0:34: +0:35
+      let mut _0: i32;                     // return place in scope 0 at $DIR/remove_fake_borrows.rs:+0:46: +0:49
+      let mut _3: isize;                   // in scope 0 at $DIR/remove_fake_borrows.rs:+2:9: +2:16
+      let mut _4: &std::option::Option<&&i32>; // in scope 0 at $DIR/remove_fake_borrows.rs:+1:11: +1:12
+      let mut _5: &&i32;                   // in scope 0 at $DIR/remove_fake_borrows.rs:+1:11: +1:12
+      let mut _6: &&&i32;                  // in scope 0 at $DIR/remove_fake_borrows.rs:+1:11: +1:12
+      let mut _7: &i32;                    // in scope 0 at $DIR/remove_fake_borrows.rs:+1:11: +1:12
+      let mut _8: bool;                    // in scope 0 at $DIR/remove_fake_borrows.rs:+2:20: +2:21
+  
+      bb0: {
+-         FakeRead(ForMatchedPlace(None), _1); // scope 0 at $DIR/remove_fake_borrows.rs:+1:11: +1:12
++         nop;                             // scope 0 at $DIR/remove_fake_borrows.rs:+1:11: +1:12
+          _3 = discriminant(_1);           // scope 0 at $DIR/remove_fake_borrows.rs:+1:11: +1:12
+          switchInt(move _3) -> [1: bb2, otherwise: bb1]; // scope 0 at $DIR/remove_fake_borrows.rs:+1:5: +1:12
+      }
+  
+      bb1: {
+          _0 = const 1_i32;                // scope 0 at $DIR/remove_fake_borrows.rs:+3:14: +3:15
+          goto -> bb7;                     // scope 0 at $DIR/remove_fake_borrows.rs:+3:14: +3:15
+      }
+  
+      bb2: {
+          switchInt((*(*((_1 as Some).0: &&i32)))) -> [0: bb3, otherwise: bb1]; // scope 0 at $DIR/remove_fake_borrows.rs:+1:5: +1:12
+      }
+  
+      bb3: {
+-         falseEdge -> [real: bb4, imaginary: bb1]; // scope 0 at $DIR/remove_fake_borrows.rs:+2:9: +2:16
++         goto -> bb4;                     // scope 0 at $DIR/remove_fake_borrows.rs:+2:9: +2:16
+      }
+  
+      bb4: {
+-         _4 = &shallow _1;                // scope 0 at $DIR/remove_fake_borrows.rs:+1:11: +1:12
+-         _5 = &shallow (*((_1 as Some).0: &&i32)); // scope 0 at $DIR/remove_fake_borrows.rs:+1:11: +1:12
+-         _6 = &shallow ((_1 as Some).0: &&i32); // scope 0 at $DIR/remove_fake_borrows.rs:+1:11: +1:12
+-         _7 = &shallow (*(*((_1 as Some).0: &&i32))); // scope 0 at $DIR/remove_fake_borrows.rs:+1:11: +1:12
++         nop;                             // scope 0 at $DIR/remove_fake_borrows.rs:+1:11: +1:12
++         nop;                             // scope 0 at $DIR/remove_fake_borrows.rs:+1:11: +1:12
++         nop;                             // scope 0 at $DIR/remove_fake_borrows.rs:+1:11: +1:12
++         nop;                             // scope 0 at $DIR/remove_fake_borrows.rs:+1:11: +1:12
+          StorageLive(_8);                 // scope 0 at $DIR/remove_fake_borrows.rs:+2:20: +2:21
+          _8 = _2;                         // scope 0 at $DIR/remove_fake_borrows.rs:+2:20: +2:21
+          switchInt(move _8) -> [0: bb6, otherwise: bb5]; // scope 0 at $DIR/remove_fake_borrows.rs:+2:20: +2:21
+      }
+  
+      bb5: {
+          StorageDead(_8);                 // scope 0 at $DIR/remove_fake_borrows.rs:+2:20: +2:21
+-         FakeRead(ForMatchGuard, _4);     // scope 0 at $DIR/remove_fake_borrows.rs:+2:20: +2:21
+-         FakeRead(ForMatchGuard, _5);     // scope 0 at $DIR/remove_fake_borrows.rs:+2:20: +2:21
+-         FakeRead(ForMatchGuard, _6);     // scope 0 at $DIR/remove_fake_borrows.rs:+2:20: +2:21
+-         FakeRead(ForMatchGuard, _7);     // scope 0 at $DIR/remove_fake_borrows.rs:+2:20: +2:21
++         nop;                             // scope 0 at $DIR/remove_fake_borrows.rs:+2:20: +2:21
++         nop;                             // scope 0 at $DIR/remove_fake_borrows.rs:+2:20: +2:21
++         nop;                             // scope 0 at $DIR/remove_fake_borrows.rs:+2:20: +2:21
++         nop;                             // scope 0 at $DIR/remove_fake_borrows.rs:+2:20: +2:21
+          _0 = const 0_i32;                // scope 0 at $DIR/remove_fake_borrows.rs:+2:25: +2:26
+          goto -> bb7;                     // scope 0 at $DIR/remove_fake_borrows.rs:+2:25: +2:26
+      }
+  
+      bb6: {
+          StorageDead(_8);                 // scope 0 at $DIR/remove_fake_borrows.rs:+2:20: +2:21
+-         falseEdge -> [real: bb1, imaginary: bb1]; // scope 0 at $DIR/remove_fake_borrows.rs:+2:20: +2:21
++         goto -> bb1;                     // scope 0 at $DIR/remove_fake_borrows.rs:+2:20: +2:21
+      }
+  
+      bb7: {
+          return;                          // scope 0 at $DIR/remove_fake_borrows.rs:+5:2: +5:2
+      }
+  }
+  
diff --git a/tests/mir-opt/remove_storage_markers.main.RemoveStorageMarkers.panic-abort.diff b/tests/mir-opt/remove_storage_markers.main.RemoveStorageMarkers.panic-abort.diff
new file mode 100644
index 00000000000..895c62bb5d0
--- /dev/null
+++ b/tests/mir-opt/remove_storage_markers.main.RemoveStorageMarkers.panic-abort.diff
@@ -0,0 +1,98 @@
+- // MIR for `main` before RemoveStorageMarkers
++ // MIR for `main` after RemoveStorageMarkers
+  
+  fn main() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/remove_storage_markers.rs:+0:11: +0:11
+      let mut _1: i32;                     // in scope 0 at $DIR/remove_storage_markers.rs:+1:9: +1:16
+      let mut _2: std::ops::Range<i32>;    // in scope 0 at $DIR/remove_storage_markers.rs:+2:14: +2:19
+      let mut _3: std::ops::Range<i32>;    // in scope 0 at $DIR/remove_storage_markers.rs:+2:14: +2:19
+      let mut _5: ();                      // in scope 0 at $DIR/remove_storage_markers.rs:+0:1: +5:2
+      let _6: ();                          // in scope 0 at $DIR/remove_storage_markers.rs:+2:14: +2:19
+      let mut _7: std::option::Option<i32>; // in scope 0 at $DIR/remove_storage_markers.rs:+2:14: +2:19
+      let mut _8: &mut std::ops::Range<i32>; // in scope 0 at $DIR/remove_storage_markers.rs:+2:14: +2:19
+      let mut _9: &mut std::ops::Range<i32>; // in scope 0 at $DIR/remove_storage_markers.rs:+2:14: +2:19
+      let mut _10: isize;                  // in scope 0 at $DIR/remove_storage_markers.rs:+2:5: +4:6
+      let mut _11: !;                      // in scope 0 at $DIR/remove_storage_markers.rs:+2:5: +4:6
+      let mut _13: i32;                    // in scope 0 at $DIR/remove_storage_markers.rs:+3:16: +3:17
+      scope 1 {
+          debug sum => _1;                 // in scope 1 at $DIR/remove_storage_markers.rs:+1:9: +1:16
+          let mut _4: std::ops::Range<i32>; // in scope 1 at $DIR/remove_storage_markers.rs:+2:14: +2:19
+          scope 2 {
+              debug iter => _4;            // in scope 2 at $DIR/remove_storage_markers.rs:+2:14: +2:19
+              let _12: i32;                // in scope 2 at $DIR/remove_storage_markers.rs:+2:9: +2:10
+              scope 3 {
+                  debug i => _12;          // in scope 3 at $DIR/remove_storage_markers.rs:+2:9: +2:10
+              }
+          }
+      }
+  
+      bb0: {
+-         StorageLive(_1);                 // scope 0 at $DIR/remove_storage_markers.rs:+1:9: +1:16
+          _1 = const 0_i32;                // scope 0 at $DIR/remove_storage_markers.rs:+1:19: +1:20
+-         StorageLive(_2);                 // scope 1 at $DIR/remove_storage_markers.rs:+2:14: +2:19
+-         StorageLive(_3);                 // scope 1 at $DIR/remove_storage_markers.rs:+2:14: +2:19
+          _3 = std::ops::Range::<i32> { start: const 0_i32, end: const 10_i32 }; // scope 1 at $DIR/remove_storage_markers.rs:+2:14: +2:19
+          _2 = <std::ops::Range<i32> as IntoIterator>::into_iter(move _3) -> [return: bb1, unwind unreachable]; // scope 1 at $DIR/remove_storage_markers.rs:+2:14: +2:19
+                                           // mir::Constant
+                                           // + span: $DIR/remove_storage_markers.rs:11:14: 11:19
+                                           // + literal: Const { ty: fn(std::ops::Range<i32>) -> <std::ops::Range<i32> as IntoIterator>::IntoIter {<std::ops::Range<i32> as IntoIterator>::into_iter}, val: Value(<ZST>) }
+      }
+  
+      bb1: {
+-         StorageDead(_3);                 // scope 1 at $DIR/remove_storage_markers.rs:+2:18: +2:19
+-         StorageLive(_4);                 // scope 1 at $DIR/remove_storage_markers.rs:+2:14: +2:19
+          _4 = move _2;                    // scope 1 at $DIR/remove_storage_markers.rs:+2:14: +2:19
+          goto -> bb2;                     // scope 2 at $DIR/remove_storage_markers.rs:+2:5: +4:6
+      }
+  
+      bb2: {
+-         StorageLive(_6);                 // scope 2 at $DIR/remove_storage_markers.rs:+2:14: +2:19
+-         StorageLive(_7);                 // scope 2 at $DIR/remove_storage_markers.rs:+2:14: +2:19
+-         StorageLive(_8);                 // scope 2 at $DIR/remove_storage_markers.rs:+2:14: +2:19
+-         StorageLive(_9);                 // scope 2 at $DIR/remove_storage_markers.rs:+2:14: +2:19
+          _9 = &mut _4;                    // scope 2 at $DIR/remove_storage_markers.rs:+2:14: +2:19
+          _8 = &mut (*_9);                 // scope 2 at $DIR/remove_storage_markers.rs:+2:14: +2:19
+          _7 = <std::ops::Range<i32> as Iterator>::next(move _8) -> [return: bb3, unwind unreachable]; // scope 2 at $DIR/remove_storage_markers.rs:+2:14: +2:19
+                                           // mir::Constant
+                                           // + span: $DIR/remove_storage_markers.rs:11:14: 11:19
+                                           // + literal: Const { ty: for<'a> fn(&'a mut std::ops::Range<i32>) -> Option<<std::ops::Range<i32> as Iterator>::Item> {<std::ops::Range<i32> as Iterator>::next}, val: Value(<ZST>) }
+      }
+  
+      bb3: {
+-         StorageDead(_8);                 // scope 2 at $DIR/remove_storage_markers.rs:+2:18: +2:19
+          _10 = discriminant(_7);          // scope 2 at $DIR/remove_storage_markers.rs:+2:14: +2:19
+          switchInt(move _10) -> [0: bb6, 1: bb4, otherwise: bb5]; // scope 2 at $DIR/remove_storage_markers.rs:+2:14: +2:19
+      }
+  
+      bb4: {
+-         StorageLive(_12);                // scope 2 at $DIR/remove_storage_markers.rs:+2:9: +2:10
+          _12 = ((_7 as Some).0: i32);     // scope 2 at $DIR/remove_storage_markers.rs:+2:9: +2:10
+-         StorageLive(_13);                // scope 3 at $DIR/remove_storage_markers.rs:+3:16: +3:17
+          _13 = _12;                       // scope 3 at $DIR/remove_storage_markers.rs:+3:16: +3:17
+          _1 = Add(_1, move _13);          // scope 3 at $DIR/remove_storage_markers.rs:+3:9: +3:17
+-         StorageDead(_13);                // scope 3 at $DIR/remove_storage_markers.rs:+3:16: +3:17
+          _6 = const ();                   // scope 3 at $DIR/remove_storage_markers.rs:+2:20: +4:6
+-         StorageDead(_12);                // scope 2 at $DIR/remove_storage_markers.rs:+4:5: +4:6
+-         StorageDead(_9);                 // scope 2 at $DIR/remove_storage_markers.rs:+4:5: +4:6
+-         StorageDead(_7);                 // scope 2 at $DIR/remove_storage_markers.rs:+4:5: +4:6
+-         StorageDead(_6);                 // scope 2 at $DIR/remove_storage_markers.rs:+4:5: +4:6
+          _5 = const ();                   // scope 2 at $DIR/remove_storage_markers.rs:+2:5: +4:6
+          goto -> bb2;                     // scope 2 at $DIR/remove_storage_markers.rs:+2:5: +4:6
+      }
+  
+      bb5: {
+          unreachable;                     // scope 2 at $DIR/remove_storage_markers.rs:+2:14: +2:19
+      }
+  
+      bb6: {
+          _0 = const ();                   // scope 2 at $DIR/remove_storage_markers.rs:+2:5: +4:6
+-         StorageDead(_9);                 // scope 2 at $DIR/remove_storage_markers.rs:+4:5: +4:6
+-         StorageDead(_7);                 // scope 2 at $DIR/remove_storage_markers.rs:+4:5: +4:6
+-         StorageDead(_6);                 // scope 2 at $DIR/remove_storage_markers.rs:+4:5: +4:6
+-         StorageDead(_4);                 // scope 1 at $DIR/remove_storage_markers.rs:+4:5: +4:6
+-         StorageDead(_2);                 // scope 1 at $DIR/remove_storage_markers.rs:+4:5: +4:6
+-         StorageDead(_1);                 // scope 0 at $DIR/remove_storage_markers.rs:+5:1: +5:2
+          return;                          // scope 0 at $DIR/remove_storage_markers.rs:+5:2: +5:2
+      }
+  }
+  
diff --git a/tests/mir-opt/remove_storage_markers.main.RemoveStorageMarkers.diff b/tests/mir-opt/remove_storage_markers.main.RemoveStorageMarkers.panic-unwind.diff
index 0e8309532c2..0e8309532c2 100644
--- a/tests/mir-opt/remove_storage_markers.main.RemoveStorageMarkers.diff
+++ b/tests/mir-opt/remove_storage_markers.main.RemoveStorageMarkers.panic-unwind.diff
diff --git a/tests/mir-opt/remove_unneeded_drops.cannot_opt_generic.RemoveUnneededDrops.panic-abort.diff b/tests/mir-opt/remove_unneeded_drops.cannot_opt_generic.RemoveUnneededDrops.panic-abort.diff
new file mode 100644
index 00000000000..3c8f40d13e4
--- /dev/null
+++ b/tests/mir-opt/remove_unneeded_drops.cannot_opt_generic.RemoveUnneededDrops.panic-abort.diff
@@ -0,0 +1,27 @@
+- // MIR for `cannot_opt_generic` before RemoveUnneededDrops
++ // MIR for `cannot_opt_generic` after RemoveUnneededDrops
+  
+  fn cannot_opt_generic(_1: T) -> () {
+      debug x => _1;                       // in scope 0 at $DIR/remove_unneeded_drops.rs:+0:26: +0:27
+      let mut _0: ();                      // return place in scope 0 at $DIR/remove_unneeded_drops.rs:+0:32: +0:32
+      let _2: ();                          // in scope 0 at $DIR/remove_unneeded_drops.rs:+1:5: +1:12
+      let mut _3: T;                       // in scope 0 at $DIR/remove_unneeded_drops.rs:+1:10: +1:11
+      scope 1 (inlined std::mem::drop::<T>) { // at $DIR/remove_unneeded_drops.rs:21:5: 21:12
+          debug _x => _3;                  // in scope 1 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
+      }
+  
+      bb0: {
+          nop;                             // scope 0 at $DIR/remove_unneeded_drops.rs:+1:5: +1:12
+          StorageLive(_3);                 // scope 0 at $DIR/remove_unneeded_drops.rs:+1:10: +1:11
+          _3 = move _1;                    // scope 0 at $DIR/remove_unneeded_drops.rs:+1:10: +1:11
+          drop(_3) -> [return: bb1, unwind unreachable]; // scope 1 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
+      }
+  
+      bb1: {
+          StorageDead(_3);                 // scope 0 at $DIR/remove_unneeded_drops.rs:+1:11: +1:12
+          nop;                             // scope 0 at $DIR/remove_unneeded_drops.rs:+1:12: +1:13
+          nop;                             // scope 0 at $DIR/remove_unneeded_drops.rs:+0:32: +2:2
+          return;                          // scope 0 at $DIR/remove_unneeded_drops.rs:+2:2: +2:2
+      }
+  }
+  
diff --git a/tests/mir-opt/remove_unneeded_drops.cannot_opt_generic.RemoveUnneededDrops.diff b/tests/mir-opt/remove_unneeded_drops.cannot_opt_generic.RemoveUnneededDrops.panic-unwind.diff
index 7713649c5b9..7713649c5b9 100644
--- a/tests/mir-opt/remove_unneeded_drops.cannot_opt_generic.RemoveUnneededDrops.diff
+++ b/tests/mir-opt/remove_unneeded_drops.cannot_opt_generic.RemoveUnneededDrops.panic-unwind.diff
diff --git a/tests/mir-opt/remove_unneeded_drops.dont_opt.RemoveUnneededDrops.panic-abort.diff b/tests/mir-opt/remove_unneeded_drops.dont_opt.RemoveUnneededDrops.panic-abort.diff
new file mode 100644
index 00000000000..1a7e1a7fa67
--- /dev/null
+++ b/tests/mir-opt/remove_unneeded_drops.dont_opt.RemoveUnneededDrops.panic-abort.diff
@@ -0,0 +1,27 @@
+- // MIR for `dont_opt` before RemoveUnneededDrops
++ // MIR for `dont_opt` after RemoveUnneededDrops
+  
+  fn dont_opt(_1: Vec<bool>) -> () {
+      debug x => _1;                       // in scope 0 at $DIR/remove_unneeded_drops.rs:+0:13: +0:14
+      let mut _0: ();                      // return place in scope 0 at $DIR/remove_unneeded_drops.rs:+0:27: +0:27
+      let _2: ();                          // in scope 0 at $DIR/remove_unneeded_drops.rs:+1:5: +1:12
+      let mut _3: std::vec::Vec<bool>;     // in scope 0 at $DIR/remove_unneeded_drops.rs:+1:10: +1:11
+      scope 1 (inlined std::mem::drop::<Vec<bool>>) { // at $DIR/remove_unneeded_drops.rs:9:5: 9:12
+          debug _x => _3;                  // in scope 1 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
+      }
+  
+      bb0: {
+          nop;                             // scope 0 at $DIR/remove_unneeded_drops.rs:+1:5: +1:12
+          StorageLive(_3);                 // scope 0 at $DIR/remove_unneeded_drops.rs:+1:10: +1:11
+          _3 = move _1;                    // scope 0 at $DIR/remove_unneeded_drops.rs:+1:10: +1:11
+          drop(_3) -> [return: bb1, unwind unreachable]; // scope 1 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
+      }
+  
+      bb1: {
+          StorageDead(_3);                 // scope 0 at $DIR/remove_unneeded_drops.rs:+1:11: +1:12
+          nop;                             // scope 0 at $DIR/remove_unneeded_drops.rs:+1:12: +1:13
+          nop;                             // scope 0 at $DIR/remove_unneeded_drops.rs:+0:27: +2:2
+          return;                          // scope 0 at $DIR/remove_unneeded_drops.rs:+2:2: +2:2
+      }
+  }
+  
diff --git a/tests/mir-opt/remove_unneeded_drops.dont_opt.RemoveUnneededDrops.diff b/tests/mir-opt/remove_unneeded_drops.dont_opt.RemoveUnneededDrops.panic-unwind.diff
index 533db4051ef..533db4051ef 100644
--- a/tests/mir-opt/remove_unneeded_drops.dont_opt.RemoveUnneededDrops.diff
+++ b/tests/mir-opt/remove_unneeded_drops.dont_opt.RemoveUnneededDrops.panic-unwind.diff
diff --git a/tests/mir-opt/remove_unneeded_drops.opt.RemoveUnneededDrops.panic-abort.diff b/tests/mir-opt/remove_unneeded_drops.opt.RemoveUnneededDrops.panic-abort.diff
new file mode 100644
index 00000000000..4a1517b5b93
--- /dev/null
+++ b/tests/mir-opt/remove_unneeded_drops.opt.RemoveUnneededDrops.panic-abort.diff
@@ -0,0 +1,27 @@
+- // MIR for `opt` before RemoveUnneededDrops
++ // MIR for `opt` after RemoveUnneededDrops
+  
+  fn opt(_1: bool) -> () {
+      debug x => _1;                       // in scope 0 at $DIR/remove_unneeded_drops.rs:+0:8: +0:9
+      let mut _0: ();                      // return place in scope 0 at $DIR/remove_unneeded_drops.rs:+0:17: +0:17
+      let _2: ();                          // in scope 0 at $DIR/remove_unneeded_drops.rs:+1:5: +1:12
+      let mut _3: bool;                    // in scope 0 at $DIR/remove_unneeded_drops.rs:+1:10: +1:11
+      scope 1 (inlined std::mem::drop::<bool>) { // at $DIR/remove_unneeded_drops.rs:4:5: 4:12
+          debug _x => _3;                  // in scope 1 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
+      }
+  
+      bb0: {
+-         nop;                             // scope 0 at $DIR/remove_unneeded_drops.rs:+1:5: +1:12
+          StorageLive(_3);                 // scope 0 at $DIR/remove_unneeded_drops.rs:+1:10: +1:11
+          _3 = _1;                         // scope 0 at $DIR/remove_unneeded_drops.rs:+1:10: +1:11
+-         drop(_3) -> [return: bb1, unwind unreachable]; // scope 1 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
+-     }
+- 
+-     bb1: {
+          StorageDead(_3);                 // scope 0 at $DIR/remove_unneeded_drops.rs:+1:11: +1:12
+-         nop;                             // scope 0 at $DIR/remove_unneeded_drops.rs:+1:12: +1:13
+-         nop;                             // scope 0 at $DIR/remove_unneeded_drops.rs:+0:17: +2:2
+          return;                          // scope 0 at $DIR/remove_unneeded_drops.rs:+2:2: +2:2
+      }
+  }
+  
diff --git a/tests/mir-opt/remove_unneeded_drops.opt.RemoveUnneededDrops.diff b/tests/mir-opt/remove_unneeded_drops.opt.RemoveUnneededDrops.panic-unwind.diff
index 04a2d54e9a1..04a2d54e9a1 100644
--- a/tests/mir-opt/remove_unneeded_drops.opt.RemoveUnneededDrops.diff
+++ b/tests/mir-opt/remove_unneeded_drops.opt.RemoveUnneededDrops.panic-unwind.diff
diff --git a/tests/mir-opt/remove_unneeded_drops.opt_generic_copy.RemoveUnneededDrops.panic-abort.diff b/tests/mir-opt/remove_unneeded_drops.opt_generic_copy.RemoveUnneededDrops.panic-abort.diff
new file mode 100644
index 00000000000..a7325d92e68
--- /dev/null
+++ b/tests/mir-opt/remove_unneeded_drops.opt_generic_copy.RemoveUnneededDrops.panic-abort.diff
@@ -0,0 +1,27 @@
+- // MIR for `opt_generic_copy` before RemoveUnneededDrops
++ // MIR for `opt_generic_copy` after RemoveUnneededDrops
+  
+  fn opt_generic_copy(_1: T) -> () {
+      debug x => _1;                       // in scope 0 at $DIR/remove_unneeded_drops.rs:+0:30: +0:31
+      let mut _0: ();                      // return place in scope 0 at $DIR/remove_unneeded_drops.rs:+0:36: +0:36
+      let _2: ();                          // in scope 0 at $DIR/remove_unneeded_drops.rs:+1:5: +1:12
+      let mut _3: T;                       // in scope 0 at $DIR/remove_unneeded_drops.rs:+1:10: +1:11
+      scope 1 (inlined std::mem::drop::<T>) { // at $DIR/remove_unneeded_drops.rs:14:5: 14:12
+          debug _x => _3;                  // in scope 1 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
+      }
+  
+      bb0: {
+-         nop;                             // scope 0 at $DIR/remove_unneeded_drops.rs:+1:5: +1:12
+          StorageLive(_3);                 // scope 0 at $DIR/remove_unneeded_drops.rs:+1:10: +1:11
+          _3 = _1;                         // scope 0 at $DIR/remove_unneeded_drops.rs:+1:10: +1:11
+-         drop(_3) -> [return: bb1, unwind unreachable]; // scope 1 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
+-     }
+- 
+-     bb1: {
+          StorageDead(_3);                 // scope 0 at $DIR/remove_unneeded_drops.rs:+1:11: +1:12
+-         nop;                             // scope 0 at $DIR/remove_unneeded_drops.rs:+1:12: +1:13
+-         nop;                             // scope 0 at $DIR/remove_unneeded_drops.rs:+0:36: +2:2
+          return;                          // scope 0 at $DIR/remove_unneeded_drops.rs:+2:2: +2:2
+      }
+  }
+  
diff --git a/tests/mir-opt/remove_unneeded_drops.opt_generic_copy.RemoveUnneededDrops.diff b/tests/mir-opt/remove_unneeded_drops.opt_generic_copy.RemoveUnneededDrops.panic-unwind.diff
index 782d0c6c5f2..782d0c6c5f2 100644
--- a/tests/mir-opt/remove_unneeded_drops.opt_generic_copy.RemoveUnneededDrops.diff
+++ b/tests/mir-opt/remove_unneeded_drops.opt_generic_copy.RemoveUnneededDrops.panic-unwind.diff
diff --git a/tests/mir-opt/retag.array_casts.SimplifyCfg-elaborate-drops.after.panic-abort.mir b/tests/mir-opt/retag.array_casts.SimplifyCfg-elaborate-drops.after.panic-abort.mir
new file mode 100644
index 00000000000..ff0f12fd63d
--- /dev/null
+++ b/tests/mir-opt/retag.array_casts.SimplifyCfg-elaborate-drops.after.panic-abort.mir
@@ -0,0 +1,188 @@
+// MIR for `array_casts` after SimplifyCfg-elaborate-drops
+
+fn array_casts() -> () {
+    let mut _0: ();                      // return place in scope 0 at $DIR/retag.rs:+0:18: +0:18
+    let mut _1: [usize; 2];              // in scope 0 at $DIR/retag.rs:+1:9: +1:14
+    let mut _3: *mut [usize; 2];         // in scope 0 at $DIR/retag.rs:+2:13: +2:19
+    let mut _4: &mut [usize; 2];         // in scope 0 at $DIR/retag.rs:+2:13: +2:19
+    let _5: ();                          // in scope 0 at $DIR/retag.rs:+3:5: +3:30
+    let mut _6: *mut usize;              // in scope 0 at $DIR/retag.rs:+3:15: +3:23
+    let mut _7: *mut usize;              // in scope 0 at $DIR/retag.rs:+3:15: +3:16
+    let mut _10: *const [usize; 2];      // in scope 0 at $DIR/retag.rs:+6:13: +6:15
+    let _11: &[usize; 2];                // in scope 0 at $DIR/retag.rs:+6:13: +6:15
+    let _12: ();                         // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+    let mut _13: (&usize, &usize);       // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+    let mut _14: &usize;                 // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+    let _15: usize;                      // in scope 0 at $DIR/retag.rs:+7:16: +7:36
+    let mut _16: *const usize;           // in scope 0 at $DIR/retag.rs:+7:26: +7:34
+    let mut _17: *const usize;           // in scope 0 at $DIR/retag.rs:+7:26: +7:27
+    let mut _18: &usize;                 // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+    let _19: usize;                      // in scope 0 at $DIR/retag.rs:+7:38: +7:39
+    let mut _22: bool;                   // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+    let mut _23: bool;                   // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+    let mut _24: usize;                  // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+    let mut _25: usize;                  // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+    let mut _26: !;                      // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+    let _28: !;                          // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+    let mut _29: core::panicking::AssertKind; // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+    let mut _30: &usize;                 // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+    let _31: &usize;                     // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+    let mut _32: &usize;                 // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+    let _33: &usize;                     // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+    let mut _34: std::option::Option<std::fmt::Arguments<'_>>; // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+    scope 1 {
+        debug x => _1;                   // in scope 1 at $DIR/retag.rs:+1:9: +1:14
+        let _2: *mut usize;              // in scope 1 at $DIR/retag.rs:+2:9: +2:10
+        scope 2 {
+            debug p => _2;               // in scope 2 at $DIR/retag.rs:+2:9: +2:10
+            let _8: [usize; 2];          // in scope 2 at $DIR/retag.rs:+5:9: +5:10
+            scope 3 {
+            }
+            scope 4 {
+                debug x => _8;           // in scope 4 at $DIR/retag.rs:+5:9: +5:10
+                let _9: *const usize;    // in scope 4 at $DIR/retag.rs:+6:9: +6:10
+                scope 5 {
+                    debug p => _9;       // in scope 5 at $DIR/retag.rs:+6:9: +6:10
+                    let _20: &usize;     // in scope 5 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+                    let _21: &usize;     // in scope 5 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+                    let mut _35: &usize; // in scope 5 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+                    scope 6 {
+                    }
+                    scope 7 {
+                        debug left_val => _20; // in scope 7 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+                        debug right_val => _21; // in scope 7 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+                        let _27: core::panicking::AssertKind; // in scope 7 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+                        scope 8 {
+                            debug kind => _27; // in scope 8 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+    bb0: {
+        StorageLive(_1);                 // scope 0 at $DIR/retag.rs:+1:9: +1:14
+        _1 = [const 0_usize, const 0_usize]; // scope 0 at $DIR/retag.rs:+1:29: +1:35
+        StorageLive(_2);                 // scope 1 at $DIR/retag.rs:+2:9: +2:10
+        StorageLive(_3);                 // scope 1 at $DIR/retag.rs:+2:13: +2:19
+        StorageLive(_4);                 // scope 1 at $DIR/retag.rs:+2:13: +2:19
+        _4 = &mut _1;                    // scope 1 at $DIR/retag.rs:+2:13: +2:19
+        _3 = &raw mut (*_4);             // scope 1 at $DIR/retag.rs:+2:13: +2:19
+        _2 = move _3 as *mut usize (Pointer(ArrayToPointer)); // scope 1 at $DIR/retag.rs:+2:13: +2:33
+        StorageDead(_3);                 // scope 1 at $DIR/retag.rs:+2:32: +2:33
+        StorageDead(_4);                 // scope 1 at $DIR/retag.rs:+2:33: +2:34
+        StorageLive(_5);                 // scope 2 at $DIR/retag.rs:+3:5: +3:30
+        StorageLive(_6);                 // scope 3 at $DIR/retag.rs:+3:15: +3:23
+        StorageLive(_7);                 // scope 3 at $DIR/retag.rs:+3:15: +3:16
+        _7 = _2;                         // scope 3 at $DIR/retag.rs:+3:15: +3:16
+        _6 = ptr::mut_ptr::<impl *mut usize>::add(move _7, const 1_usize) -> [return: bb1, unwind unreachable]; // scope 3 at $DIR/retag.rs:+3:15: +3:23
+                                         // mir::Constant
+                                         // + span: $DIR/retag.rs:61:17: 61:20
+                                         // + literal: Const { ty: unsafe fn(*mut usize, usize) -> *mut usize {ptr::mut_ptr::<impl *mut usize>::add}, val: Value(<ZST>) }
+    }
+
+    bb1: {
+        StorageDead(_7);                 // scope 3 at $DIR/retag.rs:+3:22: +3:23
+        (*_6) = const 1_usize;           // scope 3 at $DIR/retag.rs:+3:14: +3:27
+        StorageDead(_6);                 // scope 3 at $DIR/retag.rs:+3:27: +3:28
+        _5 = const ();                   // scope 3 at $DIR/retag.rs:+3:5: +3:30
+        StorageDead(_5);                 // scope 2 at $DIR/retag.rs:+3:29: +3:30
+        StorageLive(_8);                 // scope 2 at $DIR/retag.rs:+5:9: +5:10
+        _8 = [const 0_usize, const 1_usize]; // scope 2 at $DIR/retag.rs:+5:25: +5:31
+        StorageLive(_9);                 // scope 4 at $DIR/retag.rs:+6:9: +6:10
+        StorageLive(_10);                // scope 4 at $DIR/retag.rs:+6:13: +6:15
+        StorageLive(_11);                // scope 4 at $DIR/retag.rs:+6:13: +6:15
+        _11 = &_8;                       // scope 4 at $DIR/retag.rs:+6:13: +6:15
+        _10 = &raw const (*_11);         // scope 4 at $DIR/retag.rs:+6:13: +6:15
+        _9 = move _10 as *const usize (Pointer(ArrayToPointer)); // scope 4 at $DIR/retag.rs:+6:13: +6:31
+        StorageDead(_10);                // scope 4 at $DIR/retag.rs:+6:30: +6:31
+        StorageDead(_11);                // scope 4 at $DIR/retag.rs:+6:31: +6:32
+        StorageLive(_12);                // scope 5 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+        StorageLive(_13);                // scope 5 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+        StorageLive(_14);                // scope 5 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+        StorageLive(_15);                // scope 5 at $DIR/retag.rs:+7:16: +7:36
+        StorageLive(_16);                // scope 6 at $DIR/retag.rs:+7:26: +7:34
+        StorageLive(_17);                // scope 6 at $DIR/retag.rs:+7:26: +7:27
+        _17 = _9;                        // scope 6 at $DIR/retag.rs:+7:26: +7:27
+        _16 = ptr::const_ptr::<impl *const usize>::add(move _17, const 1_usize) -> [return: bb2, unwind unreachable]; // scope 6 at $DIR/retag.rs:+7:26: +7:34
+                                         // mir::Constant
+                                         // + span: $DIR/retag.rs:65:28: 65:31
+                                         // + literal: Const { ty: unsafe fn(*const usize, usize) -> *const usize {ptr::const_ptr::<impl *const usize>::add}, val: Value(<ZST>) }
+    }
+
+    bb2: {
+        StorageDead(_17);                // scope 6 at $DIR/retag.rs:+7:33: +7:34
+        _15 = (*_16);                    // scope 6 at $DIR/retag.rs:+7:25: +7:34
+        _14 = &_15;                      // scope 5 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+        StorageLive(_18);                // scope 5 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+        _35 = const _;                   // scope 5 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+                                         // mir::Constant
+                                         // + span: $SRC_DIR/core/src/macros/mod.rs:LL:COL
+                                         // + literal: Const { ty: &usize, val: Unevaluated(array_casts, [], Some(promoted[0])) }
+        Retag(_35);                      // scope 5 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+        _18 = &(*_35);                   // scope 5 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+        _13 = (move _14, move _18);      // scope 5 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+        Retag(_13);                      // scope 5 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+        StorageDead(_18);                // scope 5 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+        StorageDead(_14);                // scope 5 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+        StorageLive(_20);                // scope 5 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+        _20 = (_13.0: &usize);           // scope 5 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+        Retag(_20);                      // scope 5 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+        StorageLive(_21);                // scope 5 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+        _21 = (_13.1: &usize);           // scope 5 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+        Retag(_21);                      // scope 5 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+        StorageLive(_22);                // scope 7 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+        StorageLive(_23);                // scope 7 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+        StorageLive(_24);                // scope 7 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+        _24 = (*_20);                    // scope 7 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+        StorageLive(_25);                // scope 7 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+        _25 = (*_21);                    // scope 7 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+        _23 = Eq(move _24, move _25);    // scope 7 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+        StorageDead(_25);                // scope 7 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+        StorageDead(_24);                // scope 7 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+        _22 = Not(move _23);             // scope 7 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+        StorageDead(_23);                // scope 7 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+        switchInt(move _22) -> [0: bb4, otherwise: bb3]; // scope 7 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+    }
+
+    bb3: {
+        StorageLive(_27);                // scope 7 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+        _27 = core::panicking::AssertKind::Eq; // scope 7 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+        StorageLive(_28);                // scope 8 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+        StorageLive(_29);                // scope 8 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+        _29 = move _27;                  // scope 8 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+        StorageLive(_30);                // scope 8 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+        StorageLive(_31);                // scope 8 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+        _31 = &(*_20);                   // scope 8 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+        _30 = &(*_31);                   // scope 8 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+        StorageLive(_32);                // scope 8 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+        StorageLive(_33);                // scope 8 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+        _33 = &(*_21);                   // scope 8 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+        _32 = &(*_33);                   // scope 8 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+        StorageLive(_34);                // scope 8 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+        _34 = Option::<Arguments<'_>>::None; // scope 8 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+        Retag(_34);                      // scope 8 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+        _28 = core::panicking::assert_failed::<usize, usize>(move _29, move _30, move _32, move _34) -> unwind unreachable; // scope 8 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+                                         // mir::Constant
+                                         // + span: $SRC_DIR/core/src/macros/mod.rs:LL:COL
+                                         // + literal: Const { ty: for<'a, 'b, 'c> fn(core::panicking::AssertKind, &'a usize, &'b usize, Option<Arguments<'c>>) -> ! {core::panicking::assert_failed::<usize, usize>}, val: Value(<ZST>) }
+    }
+
+    bb4: {
+        _12 = const ();                  // scope 7 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+        StorageDead(_22);                // scope 7 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+        StorageDead(_21);                // scope 5 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+        StorageDead(_20);                // scope 5 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+        StorageDead(_16);                // scope 5 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+        StorageDead(_15);                // scope 5 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+        StorageDead(_13);                // scope 5 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+        StorageDead(_12);                // scope 5 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
+        _0 = const ();                   // scope 0 at $DIR/retag.rs:+0:18: +8:2
+        StorageDead(_9);                 // scope 4 at $DIR/retag.rs:+8:1: +8:2
+        StorageDead(_8);                 // scope 2 at $DIR/retag.rs:+8:1: +8:2
+        StorageDead(_2);                 // scope 1 at $DIR/retag.rs:+8:1: +8:2
+        StorageDead(_1);                 // scope 0 at $DIR/retag.rs:+8:1: +8:2
+        return;                          // scope 0 at $DIR/retag.rs:+8:2: +8:2
+    }
+}
diff --git a/tests/mir-opt/retag.array_casts.SimplifyCfg-elaborate-drops.after.mir b/tests/mir-opt/retag.array_casts.SimplifyCfg-elaborate-drops.after.panic-unwind.mir
index 3b479710b4f..3b479710b4f 100644
--- a/tests/mir-opt/retag.array_casts.SimplifyCfg-elaborate-drops.after.mir
+++ b/tests/mir-opt/retag.array_casts.SimplifyCfg-elaborate-drops.after.panic-unwind.mir
diff --git a/tests/mir-opt/retag.core.ptr-drop_in_place.Test.SimplifyCfg-make_shim.after.panic-abort.mir b/tests/mir-opt/retag.core.ptr-drop_in_place.Test.SimplifyCfg-make_shim.after.panic-abort.mir
new file mode 100644
index 00000000000..7de6c67980a
--- /dev/null
+++ b/tests/mir-opt/retag.core.ptr-drop_in_place.Test.SimplifyCfg-make_shim.after.panic-abort.mir
@@ -0,0 +1,26 @@
+// MIR for `std::ptr::drop_in_place` after SimplifyCfg-make_shim
+
+fn std::ptr::drop_in_place(_1: *mut Test) -> () {
+    let mut _0: ();                      // return place in scope 0 at $SRC_DIR/core/src/ptr/mod.rs:+0:1: +0:56
+    let mut _2: &mut Test;               // in scope 0 at $SRC_DIR/core/src/ptr/mod.rs:+0:1: +0:56
+    let mut _3: &mut Test;               // in scope 0 at $SRC_DIR/core/src/ptr/mod.rs:+0:1: +0:56
+    let mut _4: ();                      // in scope 0 at $SRC_DIR/core/src/ptr/mod.rs:+0:1: +0:56
+
+    bb0: {
+        _2 = &mut (*_1);                 // scope 0 at $SRC_DIR/core/src/ptr/mod.rs:+0:1: +0:56
+        Retag([fn entry] _2);            // scope 0 at $SRC_DIR/core/src/ptr/mod.rs:+0:1: +0:56
+        _3 = &mut (*_2);                 // scope 0 at $SRC_DIR/core/src/ptr/mod.rs:+0:1: +0:56
+        _4 = <Test as Drop>::drop(move _3) -> [return: bb2, unwind: bb1]; // scope 0 at $SRC_DIR/core/src/ptr/mod.rs:+0:1: +0:56
+                                         // mir::Constant
+                                         // + span: $SRC_DIR/core/src/ptr/mod.rs:LL:COL
+                                         // + literal: Const { ty: for<'a> fn(&'a mut Test) {<Test as Drop>::drop}, val: Value(<ZST>) }
+    }
+
+    bb1 (cleanup): {
+        resume;                          // scope 0 at $SRC_DIR/core/src/ptr/mod.rs:+0:1: +0:56
+    }
+
+    bb2: {
+        return;                          // scope 0 at $SRC_DIR/core/src/ptr/mod.rs:+0:1: +0:56
+    }
+}
diff --git a/tests/mir-opt/retag.core.ptr-drop_in_place.Test.SimplifyCfg-make_shim.after.mir b/tests/mir-opt/retag.core.ptr-drop_in_place.Test.SimplifyCfg-make_shim.after.panic-unwind.mir
index f495f147be3..f495f147be3 100644
--- a/tests/mir-opt/retag.core.ptr-drop_in_place.Test.SimplifyCfg-make_shim.after.mir
+++ b/tests/mir-opt/retag.core.ptr-drop_in_place.Test.SimplifyCfg-make_shim.after.panic-unwind.mir
diff --git a/tests/mir-opt/retag.main-{closure#0}.SimplifyCfg-elaborate-drops.after.mir b/tests/mir-opt/retag.main-{closure#0}.SimplifyCfg-elaborate-drops.after.panic-abort.mir
index 9e5c119a2b2..9e5c119a2b2 100644
--- a/tests/mir-opt/retag.main-{closure#0}.SimplifyCfg-elaborate-drops.after.mir
+++ b/tests/mir-opt/retag.main-{closure#0}.SimplifyCfg-elaborate-drops.after.panic-abort.mir
diff --git a/tests/mir-opt/retag.main-{closure#0}.SimplifyCfg-elaborate-drops.after.panic-unwind.mir b/tests/mir-opt/retag.main-{closure#0}.SimplifyCfg-elaborate-drops.after.panic-unwind.mir
new file mode 100644
index 00000000000..9e5c119a2b2
--- /dev/null
+++ b/tests/mir-opt/retag.main-{closure#0}.SimplifyCfg-elaborate-drops.after.panic-unwind.mir
@@ -0,0 +1,21 @@
+// MIR for `main::{closure#0}` after SimplifyCfg-elaborate-drops
+
+fn main::{closure#0}(_1: &[closure@main::{closure#0}], _2: &i32) -> &i32 {
+    debug x => _2;                       // in scope 0 at $DIR/retag.rs:+0:32: +0:33
+    let mut _0: &i32;                    // return place in scope 0 at $DIR/retag.rs:+0:44: +0:48
+    let _3: &i32;                        // in scope 0 at $DIR/retag.rs:+1:13: +1:15
+    scope 1 {
+        debug _y => _3;                  // in scope 1 at $DIR/retag.rs:+1:13: +1:15
+    }
+
+    bb0: {
+        Retag([fn entry] _1);            // scope 0 at $DIR/retag.rs:+0:31: +3:6
+        Retag([fn entry] _2);            // scope 0 at $DIR/retag.rs:+0:32: +0:33
+        StorageLive(_3);                 // scope 0 at $DIR/retag.rs:+1:13: +1:15
+        _3 = _2;                         // scope 0 at $DIR/retag.rs:+1:18: +1:19
+        Retag(_3);                       // scope 0 at $DIR/retag.rs:+1:18: +1:19
+        _0 = &(*_2);                     // scope 1 at $DIR/retag.rs:+2:9: +2:10
+        StorageDead(_3);                 // scope 0 at $DIR/retag.rs:+3:5: +3:6
+        return;                          // scope 0 at $DIR/retag.rs:+3:6: +3:6
+    }
+}
diff --git a/tests/mir-opt/retag.main.SimplifyCfg-elaborate-drops.after.panic-abort.mir b/tests/mir-opt/retag.main.SimplifyCfg-elaborate-drops.after.panic-abort.mir
new file mode 100644
index 00000000000..32d70a33bb6
--- /dev/null
+++ b/tests/mir-opt/retag.main.SimplifyCfg-elaborate-drops.after.panic-abort.mir
@@ -0,0 +1,187 @@
+// MIR for `main` after SimplifyCfg-elaborate-drops
+
+fn main() -> () {
+    let mut _0: ();                      // return place in scope 0 at $DIR/retag.rs:+0:11: +0:11
+    let mut _1: i32;                     // in scope 0 at $DIR/retag.rs:+1:9: +1:14
+    let _2: ();                          // in scope 0 at $DIR/retag.rs:+2:5: +8:6
+    let mut _4: &Test;                   // in scope 0 at $DIR/retag.rs:+3:17: +3:36
+    let _5: Test;                        // in scope 0 at $DIR/retag.rs:+3:17: +3:24
+    let mut _6: &mut i32;                // in scope 0 at $DIR/retag.rs:+3:29: +3:35
+    let mut _7: &mut i32;                // in scope 0 at $DIR/retag.rs:+3:29: +3:35
+    let mut _9: &mut i32;                // in scope 0 at $DIR/retag.rs:+4:19: +4:20
+    let mut _12: *mut i32;               // in scope 0 at $DIR/retag.rs:+7:18: +7:29
+    let mut _14: [closure@main::{closure#0}]; // in scope 0 at $DIR/retag.rs:+11:31: +14:6
+    let mut _16: for<'a> fn(&'a i32) -> &'a i32; // in scope 0 at $DIR/retag.rs:+15:14: +15:15
+    let mut _17: &i32;                   // in scope 0 at $DIR/retag.rs:+15:16: +15:18
+    let _18: &i32;                       // in scope 0 at $DIR/retag.rs:+15:16: +15:18
+    let _19: &i32;                       // in scope 0 at $DIR/retag.rs:+18:5: +18:24
+    let mut _20: &Test;                  // in scope 0 at $DIR/retag.rs:+18:5: +18:24
+    let _21: Test;                       // in scope 0 at $DIR/retag.rs:+18:5: +18:12
+    let mut _22: &i32;                   // in scope 0 at $DIR/retag.rs:+18:21: +18:23
+    let _23: &i32;                       // in scope 0 at $DIR/retag.rs:+18:21: +18:23
+    let _24: i32;                        // in scope 0 at $DIR/retag.rs:+18:22: +18:23
+    let mut _26: *const i32;             // in scope 0 at $DIR/retag.rs:+21:14: +21:28
+    let _27: ();                         // in scope 0 at $DIR/retag.rs:+23:5: +23:18
+    scope 1 {
+        debug x => _1;                   // in scope 1 at $DIR/retag.rs:+1:9: +1:14
+        let _3: &mut i32;                // in scope 1 at $DIR/retag.rs:+3:13: +3:14
+        let _13: for<'a> fn(&'a i32) -> &'a i32; // in scope 1 at $DIR/retag.rs:+11:9: +11:10
+        scope 2 {
+            debug v => _3;               // in scope 2 at $DIR/retag.rs:+3:13: +3:14
+            let _8: &mut i32;            // in scope 2 at $DIR/retag.rs:+4:13: +4:14
+            scope 3 {
+                debug w => _8;           // in scope 3 at $DIR/retag.rs:+4:13: +4:14
+                let _10: &mut i32;       // in scope 3 at $DIR/retag.rs:+5:13: +5:14
+                scope 4 {
+                    debug w => _10;      // in scope 4 at $DIR/retag.rs:+5:13: +5:14
+                    let _11: *mut i32;   // in scope 4 at $DIR/retag.rs:+7:13: +7:15
+                    scope 5 {
+                        debug _w => _11; // in scope 5 at $DIR/retag.rs:+7:13: +7:15
+                    }
+                }
+            }
+        }
+        scope 6 {
+            debug c => _13;              // in scope 6 at $DIR/retag.rs:+11:9: +11:10
+            let _15: &i32;               // in scope 6 at $DIR/retag.rs:+15:9: +15:11
+            scope 7 {
+                debug _w => _15;         // in scope 7 at $DIR/retag.rs:+15:9: +15:11
+                let _25: *const i32;     // in scope 7 at $DIR/retag.rs:+21:9: +21:11
+                let mut _28: &i32;       // in scope 7 at $DIR/retag.rs:+18:21: +18:23
+                scope 8 {
+                    debug _w => _25;     // in scope 8 at $DIR/retag.rs:+21:9: +21:11
+                }
+            }
+        }
+    }
+
+    bb0: {
+        StorageLive(_1);                 // scope 0 at $DIR/retag.rs:+1:9: +1:14
+        _1 = const 0_i32;                // scope 0 at $DIR/retag.rs:+1:17: +1:18
+        StorageLive(_2);                 // scope 1 at $DIR/retag.rs:+2:5: +8:6
+        StorageLive(_3);                 // scope 1 at $DIR/retag.rs:+3:13: +3:14
+        StorageLive(_4);                 // scope 1 at $DIR/retag.rs:+3:17: +3:36
+        StorageLive(_5);                 // scope 1 at $DIR/retag.rs:+3:17: +3:24
+        _5 = Test(const 0_i32);          // scope 1 at $DIR/retag.rs:+3:17: +3:24
+        _4 = &_5;                        // scope 1 at $DIR/retag.rs:+3:17: +3:36
+        StorageLive(_6);                 // scope 1 at $DIR/retag.rs:+3:29: +3:35
+        StorageLive(_7);                 // scope 1 at $DIR/retag.rs:+3:29: +3:35
+        _7 = &mut _1;                    // scope 1 at $DIR/retag.rs:+3:29: +3:35
+        _6 = &mut (*_7);                 // scope 1 at $DIR/retag.rs:+3:29: +3:35
+        _3 = Test::foo(move _4, move _6) -> [return: bb1, unwind unreachable]; // scope 1 at $DIR/retag.rs:+3:17: +3:36
+                                         // mir::Constant
+                                         // + span: $DIR/retag.rs:33:25: 33:28
+                                         // + literal: Const { ty: for<'a, 'x> fn(&'a Test, &'x mut i32) -> &'x mut i32 {Test::foo}, val: Value(<ZST>) }
+    }
+
+    bb1: {
+        Retag(_3);                       // scope 1 at $DIR/retag.rs:+3:17: +3:36
+        StorageDead(_6);                 // scope 1 at $DIR/retag.rs:+3:35: +3:36
+        StorageDead(_4);                 // scope 1 at $DIR/retag.rs:+3:35: +3:36
+        StorageDead(_7);                 // scope 1 at $DIR/retag.rs:+3:36: +3:37
+        drop(_5) -> [return: bb2, unwind unreachable]; // scope 1 at $DIR/retag.rs:+3:36: +3:37
+    }
+
+    bb2: {
+        StorageDead(_5);                 // scope 1 at $DIR/retag.rs:+3:36: +3:37
+        StorageLive(_8);                 // scope 2 at $DIR/retag.rs:+4:13: +4:14
+        StorageLive(_9);                 // scope 2 at $DIR/retag.rs:+4:19: +4:20
+        _9 = move _3;                    // scope 2 at $DIR/retag.rs:+4:19: +4:20
+        Retag(_9);                       // scope 2 at $DIR/retag.rs:+4:19: +4:20
+        _8 = &mut (*_9);                 // scope 2 at $DIR/retag.rs:+4:19: +4:20
+        StorageDead(_9);                 // scope 2 at $DIR/retag.rs:+4:22: +4:23
+        StorageLive(_10);                // scope 3 at $DIR/retag.rs:+5:13: +5:14
+        _10 = move _8;                   // scope 3 at $DIR/retag.rs:+5:17: +5:18
+        Retag(_10);                      // scope 3 at $DIR/retag.rs:+5:17: +5:18
+        StorageLive(_11);                // scope 4 at $DIR/retag.rs:+7:13: +7:15
+        StorageLive(_12);                // scope 4 at $DIR/retag.rs:+7:18: +7:29
+        _12 = &raw mut (*_10);           // scope 4 at $DIR/retag.rs:+7:18: +7:19
+        _11 = _12;                       // scope 4 at $DIR/retag.rs:+7:18: +7:29
+        StorageDead(_12);                // scope 4 at $DIR/retag.rs:+7:29: +7:30
+        _2 = const ();                   // scope 1 at $DIR/retag.rs:+2:5: +8:6
+        StorageDead(_11);                // scope 4 at $DIR/retag.rs:+8:5: +8:6
+        StorageDead(_10);                // scope 3 at $DIR/retag.rs:+8:5: +8:6
+        StorageDead(_8);                 // scope 2 at $DIR/retag.rs:+8:5: +8:6
+        StorageDead(_3);                 // scope 1 at $DIR/retag.rs:+8:5: +8:6
+        StorageDead(_2);                 // scope 1 at $DIR/retag.rs:+8:5: +8:6
+        StorageLive(_13);                // scope 1 at $DIR/retag.rs:+11:9: +11:10
+        StorageLive(_14);                // scope 1 at $DIR/retag.rs:+11:31: +14:6
+        _14 = [closure@main::{closure#0}]; // scope 1 at $DIR/retag.rs:+11:31: +14:6
+                                         // closure
+                                         // + def_id: DefId(0:14 ~ retag[7654]::main::{closure#0})
+                                         // + substs: [
+                                         //     i8,
+                                         //     for<'a> extern "rust-call" fn((&'a i32,)) -> &'a i32,
+                                         //     (),
+                                         // ]
+        Retag(_14);                      // scope 1 at $DIR/retag.rs:+11:31: +14:6
+        _13 = move _14 as for<'a> fn(&'a i32) -> &'a i32 (Pointer(ClosureFnPointer(Normal))); // scope 1 at $DIR/retag.rs:+11:31: +14:6
+        StorageDead(_14);                // scope 1 at $DIR/retag.rs:+11:47: +11:48
+        StorageLive(_15);                // scope 6 at $DIR/retag.rs:+15:9: +15:11
+        StorageLive(_16);                // scope 6 at $DIR/retag.rs:+15:14: +15:15
+        _16 = _13;                       // scope 6 at $DIR/retag.rs:+15:14: +15:15
+        StorageLive(_17);                // scope 6 at $DIR/retag.rs:+15:16: +15:18
+        StorageLive(_18);                // scope 6 at $DIR/retag.rs:+15:16: +15:18
+        _18 = &_1;                       // scope 6 at $DIR/retag.rs:+15:16: +15:18
+        _17 = &(*_18);                   // scope 6 at $DIR/retag.rs:+15:16: +15:18
+        _15 = move _16(move _17) -> [return: bb3, unwind unreachable]; // scope 6 at $DIR/retag.rs:+15:14: +15:19
+    }
+
+    bb3: {
+        Retag(_15);                      // scope 6 at $DIR/retag.rs:+15:14: +15:19
+        StorageDead(_17);                // scope 6 at $DIR/retag.rs:+15:18: +15:19
+        StorageDead(_16);                // scope 6 at $DIR/retag.rs:+15:18: +15:19
+        StorageDead(_18);                // scope 6 at $DIR/retag.rs:+15:19: +15:20
+        StorageLive(_19);                // scope 7 at $DIR/retag.rs:+18:5: +18:24
+        StorageLive(_20);                // scope 7 at $DIR/retag.rs:+18:5: +18:24
+        StorageLive(_21);                // scope 7 at $DIR/retag.rs:+18:5: +18:12
+        _21 = Test(const 0_i32);         // scope 7 at $DIR/retag.rs:+18:5: +18:12
+        _20 = &_21;                      // scope 7 at $DIR/retag.rs:+18:5: +18:24
+        StorageLive(_22);                // scope 7 at $DIR/retag.rs:+18:21: +18:23
+        StorageLive(_23);                // scope 7 at $DIR/retag.rs:+18:21: +18:23
+        _28 = const _;                   // scope 7 at $DIR/retag.rs:+18:21: +18:23
+                                         // mir::Constant
+                                         // + span: $DIR/retag.rs:48:21: 48:23
+                                         // + literal: Const { ty: &i32, val: Unevaluated(main, [], Some(promoted[0])) }
+        Retag(_28);                      // scope 7 at $DIR/retag.rs:+18:21: +18:23
+        _23 = &(*_28);                   // scope 7 at $DIR/retag.rs:+18:21: +18:23
+        _22 = &(*_23);                   // scope 7 at $DIR/retag.rs:+18:21: +18:23
+        _19 = Test::foo_shr(move _20, move _22) -> [return: bb4, unwind unreachable]; // scope 7 at $DIR/retag.rs:+18:5: +18:24
+                                         // mir::Constant
+                                         // + span: $DIR/retag.rs:48:13: 48:20
+                                         // + literal: Const { ty: for<'a, 'x> fn(&'a Test, &'x i32) -> &'x i32 {Test::foo_shr}, val: Value(<ZST>) }
+    }
+
+    bb4: {
+        Retag(_19);                      // scope 7 at $DIR/retag.rs:+18:5: +18:24
+        StorageDead(_22);                // scope 7 at $DIR/retag.rs:+18:23: +18:24
+        StorageDead(_20);                // scope 7 at $DIR/retag.rs:+18:23: +18:24
+        StorageDead(_23);                // scope 7 at $DIR/retag.rs:+18:24: +18:25
+        drop(_21) -> [return: bb5, unwind unreachable]; // scope 7 at $DIR/retag.rs:+18:24: +18:25
+    }
+
+    bb5: {
+        StorageDead(_21);                // scope 7 at $DIR/retag.rs:+18:24: +18:25
+        StorageDead(_19);                // scope 7 at $DIR/retag.rs:+18:24: +18:25
+        StorageLive(_25);                // scope 7 at $DIR/retag.rs:+21:9: +21:11
+        StorageLive(_26);                // scope 7 at $DIR/retag.rs:+21:14: +21:28
+        _26 = &raw const (*_15);         // scope 7 at $DIR/retag.rs:+21:14: +21:16
+        _25 = _26;                       // scope 7 at $DIR/retag.rs:+21:14: +21:28
+        StorageDead(_26);                // scope 7 at $DIR/retag.rs:+21:28: +21:29
+        StorageLive(_27);                // scope 8 at $DIR/retag.rs:+23:5: +23:18
+        _27 = array_casts() -> [return: bb6, unwind unreachable]; // scope 8 at $DIR/retag.rs:+23:5: +23:18
+                                         // mir::Constant
+                                         // + span: $DIR/retag.rs:53:5: 53:16
+                                         // + literal: Const { ty: fn() {array_casts}, val: Value(<ZST>) }
+    }
+
+    bb6: {
+        StorageDead(_27);                // scope 8 at $DIR/retag.rs:+23:18: +23:19
+        _0 = const ();                   // scope 0 at $DIR/retag.rs:+0:11: +24:2
+        StorageDead(_25);                // scope 7 at $DIR/retag.rs:+24:1: +24:2
+        StorageDead(_15);                // scope 6 at $DIR/retag.rs:+24:1: +24:2
+        StorageDead(_13);                // scope 1 at $DIR/retag.rs:+24:1: +24:2
+        StorageDead(_1);                 // scope 0 at $DIR/retag.rs:+24:1: +24:2
+        return;                          // scope 0 at $DIR/retag.rs:+24:2: +24:2
+    }
+}
diff --git a/tests/mir-opt/retag.main.SimplifyCfg-elaborate-drops.after.mir b/tests/mir-opt/retag.main.SimplifyCfg-elaborate-drops.after.panic-unwind.mir
index 4eef028e1cc..4eef028e1cc 100644
--- a/tests/mir-opt/retag.main.SimplifyCfg-elaborate-drops.after.mir
+++ b/tests/mir-opt/retag.main.SimplifyCfg-elaborate-drops.after.panic-unwind.mir
diff --git a/tests/mir-opt/retag.{impl#0}-foo.SimplifyCfg-elaborate-drops.after.mir b/tests/mir-opt/retag.{impl#0}-foo.SimplifyCfg-elaborate-drops.after.panic-abort.mir
index 4b50205fa80..4b50205fa80 100644
--- a/tests/mir-opt/retag.{impl#0}-foo.SimplifyCfg-elaborate-drops.after.mir
+++ b/tests/mir-opt/retag.{impl#0}-foo.SimplifyCfg-elaborate-drops.after.panic-abort.mir
diff --git a/tests/mir-opt/retag.{impl#0}-foo.SimplifyCfg-elaborate-drops.after.panic-unwind.mir b/tests/mir-opt/retag.{impl#0}-foo.SimplifyCfg-elaborate-drops.after.panic-unwind.mir
new file mode 100644
index 00000000000..4b50205fa80
--- /dev/null
+++ b/tests/mir-opt/retag.{impl#0}-foo.SimplifyCfg-elaborate-drops.after.panic-unwind.mir
@@ -0,0 +1,18 @@
+// MIR for `<impl at $DIR/retag.rs:12:1: 12:10>::foo` after SimplifyCfg-elaborate-drops
+
+fn <impl at $DIR/retag.rs:12:1: 12:10>::foo(_1: &Test, _2: &mut i32) -> &mut i32 {
+    debug self => _1;                    // in scope 0 at $DIR/retag.rs:+0:16: +0:21
+    debug x => _2;                       // in scope 0 at $DIR/retag.rs:+0:23: +0:24
+    let mut _0: &mut i32;                // return place in scope 0 at $DIR/retag.rs:+0:42: +0:53
+    let mut _3: &mut i32;                // in scope 0 at $DIR/retag.rs:+1:9: +1:10
+
+    bb0: {
+        Retag([fn entry] _1);            // scope 0 at $DIR/retag.rs:+0:16: +0:21
+        Retag([fn entry] _2);            // scope 0 at $DIR/retag.rs:+0:23: +0:24
+        StorageLive(_3);                 // scope 0 at $DIR/retag.rs:+1:9: +1:10
+        _3 = &mut (*_2);                 // scope 0 at $DIR/retag.rs:+1:9: +1:10
+        _0 = &mut (*_3);                 // scope 0 at $DIR/retag.rs:+1:9: +1:10
+        StorageDead(_3);                 // scope 0 at $DIR/retag.rs:+2:5: +2:6
+        return;                          // scope 0 at $DIR/retag.rs:+2:6: +2:6
+    }
+}
diff --git a/tests/mir-opt/retag.{impl#0}-foo_shr.SimplifyCfg-elaborate-drops.after.mir b/tests/mir-opt/retag.{impl#0}-foo_shr.SimplifyCfg-elaborate-drops.after.panic-abort.mir
index f32a84e4c79..f32a84e4c79 100644
--- a/tests/mir-opt/retag.{impl#0}-foo_shr.SimplifyCfg-elaborate-drops.after.mir
+++ b/tests/mir-opt/retag.{impl#0}-foo_shr.SimplifyCfg-elaborate-drops.after.panic-abort.mir
diff --git a/tests/mir-opt/retag.{impl#0}-foo_shr.SimplifyCfg-elaborate-drops.after.panic-unwind.mir b/tests/mir-opt/retag.{impl#0}-foo_shr.SimplifyCfg-elaborate-drops.after.panic-unwind.mir
new file mode 100644
index 00000000000..f32a84e4c79
--- /dev/null
+++ b/tests/mir-opt/retag.{impl#0}-foo_shr.SimplifyCfg-elaborate-drops.after.panic-unwind.mir
@@ -0,0 +1,15 @@
+// MIR for `<impl at $DIR/retag.rs:12:1: 12:10>::foo_shr` after SimplifyCfg-elaborate-drops
+
+fn <impl at $DIR/retag.rs:12:1: 12:10>::foo_shr(_1: &Test, _2: &i32) -> &i32 {
+    debug self => _1;                    // in scope 0 at $DIR/retag.rs:+0:20: +0:25
+    debug x => _2;                       // in scope 0 at $DIR/retag.rs:+0:27: +0:28
+    let mut _0: &i32;                    // return place in scope 0 at $DIR/retag.rs:+0:42: +0:49
+
+    bb0: {
+        Retag([fn entry] _1);            // scope 0 at $DIR/retag.rs:+0:20: +0:25
+        Retag([fn entry] _2);            // scope 0 at $DIR/retag.rs:+0:27: +0:28
+        _0 = _2;                         // scope 0 at $DIR/retag.rs:+1:9: +1:10
+        Retag(_0);                       // scope 0 at $DIR/retag.rs:+1:9: +1:10
+        return;                          // scope 0 at $DIR/retag.rs:+2:6: +2:6
+    }
+}
diff --git a/tests/mir-opt/simplify_if.main.SimplifyConstCondition-after-const-prop.panic-abort.diff b/tests/mir-opt/simplify_if.main.SimplifyConstCondition-after-const-prop.panic-abort.diff
new file mode 100644
index 00000000000..2159f9dd6cc
--- /dev/null
+++ b/tests/mir-opt/simplify_if.main.SimplifyConstCondition-after-const-prop.panic-abort.diff
@@ -0,0 +1,36 @@
+- // MIR for `main` before SimplifyConstCondition-after-const-prop
++ // MIR for `main` after SimplifyConstCondition-after-const-prop
+  
+  fn main() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/simplify_if.rs:+0:11: +0:11
+      let mut _1: bool;                    // in scope 0 at $DIR/simplify_if.rs:+1:8: +1:13
+      let _2: ();                          // in scope 0 at $DIR/simplify_if.rs:+2:9: +2:15
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/simplify_if.rs:+1:8: +1:13
+          _1 = const false;                // scope 0 at $DIR/simplify_if.rs:+1:8: +1:13
+-         switchInt(const false) -> [0: bb3, otherwise: bb1]; // scope 0 at $DIR/simplify_if.rs:+1:8: +1:13
++         goto -> bb3;                     // scope 0 at $DIR/simplify_if.rs:+1:8: +1:13
+      }
+  
+      bb1: {
+          _2 = noop() -> [return: bb2, unwind unreachable]; // scope 0 at $DIR/simplify_if.rs:+2:9: +2:15
+                                           // mir::Constant
+                                           // + span: $DIR/simplify_if.rs:8:9: 8:13
+                                           // + literal: Const { ty: fn() {noop}, val: Value(<ZST>) }
+      }
+  
+      bb2: {
+          goto -> bb4;                     // scope 0 at $DIR/simplify_if.rs:+1:5: +3:6
+      }
+  
+      bb3: {
+          goto -> bb4;                     // scope 0 at $DIR/simplify_if.rs:+1:5: +3:6
+      }
+  
+      bb4: {
+          StorageDead(_1);                 // scope 0 at $DIR/simplify_if.rs:+3:5: +3:6
+          return;                          // scope 0 at $DIR/simplify_if.rs:+4:2: +4:2
+      }
+  }
+  
diff --git a/tests/mir-opt/simplify_if.main.SimplifyConstCondition-after-const-prop.diff b/tests/mir-opt/simplify_if.main.SimplifyConstCondition-after-const-prop.panic-unwind.diff
index b473d0fdecd..b473d0fdecd 100644
--- a/tests/mir-opt/simplify_if.main.SimplifyConstCondition-after-const-prop.diff
+++ b/tests/mir-opt/simplify_if.main.SimplifyConstCondition-after-const-prop.panic-unwind.diff
diff --git a/tests/mir-opt/simplify_locals_fixedpoint.foo.SimplifyLocals-final.panic-abort.diff b/tests/mir-opt/simplify_locals_fixedpoint.foo.SimplifyLocals-final.panic-abort.diff
new file mode 100644
index 00000000000..e45b3b9c4bb
--- /dev/null
+++ b/tests/mir-opt/simplify_locals_fixedpoint.foo.SimplifyLocals-final.panic-abort.diff
@@ -0,0 +1,50 @@
+- // MIR for `foo` before SimplifyLocals-final
++ // MIR for `foo` after SimplifyLocals-final
+  
+  fn foo() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/simplify_locals_fixedpoint.rs:+0:13: +0:13
+      let mut _1: (std::option::Option<u8>, std::option::Option<T>); // in scope 0 at $DIR/simplify_locals_fixedpoint.rs:+1:30: +1:69
+      let mut _2: std::option::Option<u8>; // in scope 0 at $DIR/simplify_locals_fixedpoint.rs:+1:31: +1:49
+      let mut _3: std::option::Option<T>;  // in scope 0 at $DIR/simplify_locals_fixedpoint.rs:+1:51: +1:68
+      let mut _4: isize;                   // in scope 0 at $DIR/simplify_locals_fixedpoint.rs:+1:22: +1:26
+      let mut _5: isize;                   // in scope 0 at $DIR/simplify_locals_fixedpoint.rs:+1:13: +1:20
+      scope 1 {
+          debug a => _6;                   // in scope 1 at $DIR/simplify_locals_fixedpoint.rs:+1:18: +1:19
+          let _6: u8;                      // in scope 1 at $DIR/simplify_locals_fixedpoint.rs:+1:18: +1:19
+      }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 1 at $DIR/simplify_locals_fixedpoint.rs:+1:30: +1:69
+          StorageLive(_2);                 // scope 1 at $DIR/simplify_locals_fixedpoint.rs:+1:31: +1:49
+          _2 = Option::<u8>::None;         // scope 1 at $DIR/simplify_locals_fixedpoint.rs:+1:31: +1:49
+          StorageLive(_3);                 // scope 1 at $DIR/simplify_locals_fixedpoint.rs:+1:51: +1:68
+          _3 = Option::<T>::None;          // scope 1 at $DIR/simplify_locals_fixedpoint.rs:+1:51: +1:68
+          _1 = (move _2, move _3);         // scope 1 at $DIR/simplify_locals_fixedpoint.rs:+1:30: +1:69
+          StorageDead(_3);                 // scope 1 at $DIR/simplify_locals_fixedpoint.rs:+1:68: +1:69
+          StorageDead(_2);                 // scope 1 at $DIR/simplify_locals_fixedpoint.rs:+1:68: +1:69
+          _5 = discriminant((_1.0: std::option::Option<u8>)); // scope 1 at $DIR/simplify_locals_fixedpoint.rs:+1:12: +1:27
+          switchInt(move _5) -> [1: bb1, otherwise: bb3]; // scope 1 at $DIR/simplify_locals_fixedpoint.rs:+1:12: +1:27
+      }
+  
+      bb1: {
+          _4 = discriminant((_1.1: std::option::Option<T>)); // scope 1 at $DIR/simplify_locals_fixedpoint.rs:+1:12: +1:27
+          switchInt(move _4) -> [0: bb2, otherwise: bb3]; // scope 1 at $DIR/simplify_locals_fixedpoint.rs:+1:12: +1:27
+      }
+  
+      bb2: {
+          StorageLive(_6);                 // scope 1 at $DIR/simplify_locals_fixedpoint.rs:+1:18: +1:19
+          _6 = (((_1.0: std::option::Option<u8>) as Some).0: u8); // scope 1 at $DIR/simplify_locals_fixedpoint.rs:+1:18: +1:19
+          StorageDead(_6);                 // scope 0 at $DIR/simplify_locals_fixedpoint.rs:+5:5: +5:6
+          goto -> bb3;                     // scope 0 at $DIR/simplify_locals_fixedpoint.rs:+1:5: +5:6
+      }
+  
+      bb3: {
+          drop(_1) -> [return: bb4, unwind unreachable]; // scope 0 at $DIR/simplify_locals_fixedpoint.rs:+6:1: +6:2
+      }
+  
+      bb4: {
+          StorageDead(_1);                 // scope 0 at $DIR/simplify_locals_fixedpoint.rs:+6:1: +6:2
+          return;                          // scope 0 at $DIR/simplify_locals_fixedpoint.rs:+6:2: +6:2
+      }
+  }
+  
diff --git a/tests/mir-opt/simplify_locals_fixedpoint.foo.SimplifyLocals-final.diff b/tests/mir-opt/simplify_locals_fixedpoint.foo.SimplifyLocals-final.panic-unwind.diff
index 0b9ca29cedd..0b9ca29cedd 100644
--- a/tests/mir-opt/simplify_locals_fixedpoint.foo.SimplifyLocals-final.diff
+++ b/tests/mir-opt/simplify_locals_fixedpoint.foo.SimplifyLocals-final.panic-unwind.diff
diff --git a/tests/mir-opt/simplify_locals_removes_unused_consts.main.SimplifyLocals-before-const-prop.panic-abort.diff b/tests/mir-opt/simplify_locals_removes_unused_consts.main.SimplifyLocals-before-const-prop.panic-abort.diff
new file mode 100644
index 00000000000..232f63aba11
--- /dev/null
+++ b/tests/mir-opt/simplify_locals_removes_unused_consts.main.SimplifyLocals-before-const-prop.panic-abort.diff
@@ -0,0 +1,101 @@
+- // MIR for `main` before SimplifyLocals-before-const-prop
++ // MIR for `main` after SimplifyLocals-before-const-prop
+  
+  fn main() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/simplify_locals_removes_unused_consts.rs:+0:11: +0:11
+-     let mut _1: ((), ());                // in scope 0 at $DIR/simplify_locals_removes_unused_consts.rs:+1:20: +1:28
+-     let mut _2: ();                      // in scope 0 at $DIR/simplify_locals_removes_unused_consts.rs:+1:21: +1:23
+-     let mut _3: ();                      // in scope 0 at $DIR/simplify_locals_removes_unused_consts.rs:+1:25: +1:27
+-     let _4: ();                          // in scope 0 at $DIR/simplify_locals_removes_unused_consts.rs:+2:5: +2:22
+-     let mut _5: ((), ());                // in scope 0 at $DIR/simplify_locals_removes_unused_consts.rs:+2:13: +2:21
+-     let mut _6: ();                      // in scope 0 at $DIR/simplify_locals_removes_unused_consts.rs:+2:14: +2:16
+-     let mut _7: ();                      // in scope 0 at $DIR/simplify_locals_removes_unused_consts.rs:+2:18: +2:20
+-     let _8: ();                          // in scope 0 at $DIR/simplify_locals_removes_unused_consts.rs:+4:5: +4:35
+-     let mut _9: u8;                      // in scope 0 at $DIR/simplify_locals_removes_unused_consts.rs:+4:12: +4:34
+-     let mut _10: u8;                     // in scope 0 at $DIR/simplify_locals_removes_unused_consts.rs:+4:12: +4:30
+-     let mut _11: Temp;                   // in scope 0 at $DIR/simplify_locals_removes_unused_consts.rs:+4:12: +4:28
++     let _1: ();                          // in scope 0 at $DIR/simplify_locals_removes_unused_consts.rs:+2:5: +2:22
++     let mut _2: ((), ());                // in scope 0 at $DIR/simplify_locals_removes_unused_consts.rs:+2:13: +2:21
++     let mut _3: ();                      // in scope 0 at $DIR/simplify_locals_removes_unused_consts.rs:+2:14: +2:16
++     let mut _4: ();                      // in scope 0 at $DIR/simplify_locals_removes_unused_consts.rs:+2:18: +2:20
++     let _5: ();                          // in scope 0 at $DIR/simplify_locals_removes_unused_consts.rs:+4:5: +4:35
++     let mut _6: u8;                      // in scope 0 at $DIR/simplify_locals_removes_unused_consts.rs:+4:12: +4:34
++     let mut _7: u8;                      // in scope 0 at $DIR/simplify_locals_removes_unused_consts.rs:+4:12: +4:30
++     let mut _8: Temp;                    // in scope 0 at $DIR/simplify_locals_removes_unused_consts.rs:+4:12: +4:28
+      scope 1 {
+      }
+  
+      bb0: {
+-         StorageLive(_1);                 // scope 0 at $DIR/simplify_locals_removes_unused_consts.rs:+1:20: +1:28
+-         StorageLive(_2);                 // scope 0 at $DIR/simplify_locals_removes_unused_consts.rs:+1:21: +1:23
+-         _2 = ();                         // scope 0 at $DIR/simplify_locals_removes_unused_consts.rs:+1:21: +1:23
+-         StorageLive(_3);                 // scope 0 at $DIR/simplify_locals_removes_unused_consts.rs:+1:25: +1:27
+-         _3 = ();                         // scope 0 at $DIR/simplify_locals_removes_unused_consts.rs:+1:25: +1:27
+-         _1 = (move _2, move _3);         // scope 0 at $DIR/simplify_locals_removes_unused_consts.rs:+1:20: +1:28
+-         StorageDead(_3);                 // scope 0 at $DIR/simplify_locals_removes_unused_consts.rs:+1:27: +1:28
+-         StorageDead(_2);                 // scope 0 at $DIR/simplify_locals_removes_unused_consts.rs:+1:27: +1:28
+-         StorageDead(_1);                 // scope 0 at $DIR/simplify_locals_removes_unused_consts.rs:+1:28: +1:29
+-         StorageLive(_4);                 // scope 1 at $DIR/simplify_locals_removes_unused_consts.rs:+2:5: +2:22
+-         StorageLive(_5);                 // scope 1 at $DIR/simplify_locals_removes_unused_consts.rs:+2:13: +2:21
+-         StorageLive(_6);                 // scope 1 at $DIR/simplify_locals_removes_unused_consts.rs:+2:14: +2:16
+-         _6 = ();                         // scope 1 at $DIR/simplify_locals_removes_unused_consts.rs:+2:14: +2:16
+-         StorageLive(_7);                 // scope 1 at $DIR/simplify_locals_removes_unused_consts.rs:+2:18: +2:20
+-         _7 = ();                         // scope 1 at $DIR/simplify_locals_removes_unused_consts.rs:+2:18: +2:20
+-         _5 = (move _6, move _7);         // scope 1 at $DIR/simplify_locals_removes_unused_consts.rs:+2:13: +2:21
+-         StorageDead(_7);                 // scope 1 at $DIR/simplify_locals_removes_unused_consts.rs:+2:20: +2:21
+-         StorageDead(_6);                 // scope 1 at $DIR/simplify_locals_removes_unused_consts.rs:+2:20: +2:21
+-         _4 = use_zst(move _5) -> [return: bb1, unwind unreachable]; // scope 1 at $DIR/simplify_locals_removes_unused_consts.rs:+2:5: +2:22
++         StorageLive(_1);                 // scope 1 at $DIR/simplify_locals_removes_unused_consts.rs:+2:5: +2:22
++         StorageLive(_2);                 // scope 1 at $DIR/simplify_locals_removes_unused_consts.rs:+2:13: +2:21
++         StorageLive(_3);                 // scope 1 at $DIR/simplify_locals_removes_unused_consts.rs:+2:14: +2:16
++         _3 = ();                         // scope 1 at $DIR/simplify_locals_removes_unused_consts.rs:+2:14: +2:16
++         StorageLive(_4);                 // scope 1 at $DIR/simplify_locals_removes_unused_consts.rs:+2:18: +2:20
++         _4 = ();                         // scope 1 at $DIR/simplify_locals_removes_unused_consts.rs:+2:18: +2:20
++         _2 = (move _3, move _4);         // scope 1 at $DIR/simplify_locals_removes_unused_consts.rs:+2:13: +2:21
++         StorageDead(_4);                 // scope 1 at $DIR/simplify_locals_removes_unused_consts.rs:+2:20: +2:21
++         StorageDead(_3);                 // scope 1 at $DIR/simplify_locals_removes_unused_consts.rs:+2:20: +2:21
++         _1 = use_zst(move _2) -> [return: bb1, unwind unreachable]; // scope 1 at $DIR/simplify_locals_removes_unused_consts.rs:+2:5: +2:22
+                                           // mir::Constant
+                                           // + span: $DIR/simplify_locals_removes_unused_consts.rs:16:5: 16:12
+                                           // + literal: Const { ty: fn(((), ())) {use_zst}, val: Value(<ZST>) }
+      }
+  
+      bb1: {
+-         StorageDead(_5);                 // scope 1 at $DIR/simplify_locals_removes_unused_consts.rs:+2:21: +2:22
+-         StorageDead(_4);                 // scope 1 at $DIR/simplify_locals_removes_unused_consts.rs:+2:22: +2:23
+-         StorageLive(_8);                 // scope 1 at $DIR/simplify_locals_removes_unused_consts.rs:+4:5: +4:35
+-         StorageLive(_9);                 // scope 1 at $DIR/simplify_locals_removes_unused_consts.rs:+4:12: +4:34
+-         StorageLive(_10);                // scope 1 at $DIR/simplify_locals_removes_unused_consts.rs:+4:12: +4:30
+-         StorageLive(_11);                // scope 1 at $DIR/simplify_locals_removes_unused_consts.rs:+4:12: +4:28
+-         _11 = Temp { x: const 40_u8 };   // scope 1 at $DIR/simplify_locals_removes_unused_consts.rs:+4:12: +4:28
+-         _10 = (_11.0: u8);               // scope 1 at $DIR/simplify_locals_removes_unused_consts.rs:+4:12: +4:30
+-         _9 = Add(move _10, const 2_u8);  // scope 1 at $DIR/simplify_locals_removes_unused_consts.rs:+4:12: +4:34
+-         StorageDead(_10);                // scope 1 at $DIR/simplify_locals_removes_unused_consts.rs:+4:33: +4:34
+-         _8 = use_u8(move _9) -> [return: bb2, unwind unreachable]; // scope 1 at $DIR/simplify_locals_removes_unused_consts.rs:+4:5: +4:35
++         StorageDead(_2);                 // scope 1 at $DIR/simplify_locals_removes_unused_consts.rs:+2:21: +2:22
++         StorageDead(_1);                 // scope 1 at $DIR/simplify_locals_removes_unused_consts.rs:+2:22: +2:23
++         StorageLive(_5);                 // scope 1 at $DIR/simplify_locals_removes_unused_consts.rs:+4:5: +4:35
++         StorageLive(_6);                 // scope 1 at $DIR/simplify_locals_removes_unused_consts.rs:+4:12: +4:34
++         StorageLive(_7);                 // scope 1 at $DIR/simplify_locals_removes_unused_consts.rs:+4:12: +4:30
++         StorageLive(_8);                 // scope 1 at $DIR/simplify_locals_removes_unused_consts.rs:+4:12: +4:28
++         _8 = Temp { x: const 40_u8 };    // scope 1 at $DIR/simplify_locals_removes_unused_consts.rs:+4:12: +4:28
++         _7 = (_8.0: u8);                 // scope 1 at $DIR/simplify_locals_removes_unused_consts.rs:+4:12: +4:30
++         _6 = Add(move _7, const 2_u8);   // scope 1 at $DIR/simplify_locals_removes_unused_consts.rs:+4:12: +4:34
++         StorageDead(_7);                 // scope 1 at $DIR/simplify_locals_removes_unused_consts.rs:+4:33: +4:34
++         _5 = use_u8(move _6) -> [return: bb2, unwind unreachable]; // scope 1 at $DIR/simplify_locals_removes_unused_consts.rs:+4:5: +4:35
+                                           // mir::Constant
+                                           // + span: $DIR/simplify_locals_removes_unused_consts.rs:18:5: 18:11
+                                           // + literal: Const { ty: fn(u8) {use_u8}, val: Value(<ZST>) }
+      }
+  
+      bb2: {
+-         StorageDead(_9);                 // scope 1 at $DIR/simplify_locals_removes_unused_consts.rs:+4:34: +4:35
+-         StorageDead(_11);                // scope 1 at $DIR/simplify_locals_removes_unused_consts.rs:+4:35: +4:36
++         StorageDead(_6);                 // scope 1 at $DIR/simplify_locals_removes_unused_consts.rs:+4:34: +4:35
+          StorageDead(_8);                 // scope 1 at $DIR/simplify_locals_removes_unused_consts.rs:+4:35: +4:36
++         StorageDead(_5);                 // scope 1 at $DIR/simplify_locals_removes_unused_consts.rs:+4:35: +4:36
+          _0 = const ();                   // scope 0 at $DIR/simplify_locals_removes_unused_consts.rs:+0:11: +5:2
+          return;                          // scope 0 at $DIR/simplify_locals_removes_unused_consts.rs:+5:2: +5:2
+      }
+  }
+  
diff --git a/tests/mir-opt/simplify_locals_removes_unused_consts.main.SimplifyLocals-before-const-prop.diff b/tests/mir-opt/simplify_locals_removes_unused_consts.main.SimplifyLocals-before-const-prop.panic-unwind.diff
index ae2c774f29d..ae2c774f29d 100644
--- a/tests/mir-opt/simplify_locals_removes_unused_consts.main.SimplifyLocals-before-const-prop.diff
+++ b/tests/mir-opt/simplify_locals_removes_unused_consts.main.SimplifyLocals-before-const-prop.panic-unwind.diff
diff --git a/tests/mir-opt/simplify_match.main.ConstProp.panic-abort.diff b/tests/mir-opt/simplify_match.main.ConstProp.panic-abort.diff
new file mode 100644
index 00000000000..f25b8fe64ff
--- /dev/null
+++ b/tests/mir-opt/simplify_match.main.ConstProp.panic-abort.diff
@@ -0,0 +1,33 @@
+- // MIR for `main` before ConstProp
++ // MIR for `main` after ConstProp
+  
+  fn main() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/simplify_match.rs:+0:11: +0:11
+      let mut _1: bool;                    // in scope 0 at $DIR/simplify_match.rs:+1:11: +1:31
+      let _2: bool;                        // in scope 0 at $DIR/simplify_match.rs:+1:17: +1:18
+      scope 1 {
+          debug x => _2;                   // in scope 1 at $DIR/simplify_match.rs:+1:17: +1:18
+      }
+  
+      bb0: {
+          _2 = const false;                // scope 0 at $DIR/simplify_match.rs:+1:21: +1:26
+-         switchInt(_2) -> [0: bb1, otherwise: bb2]; // scope 0 at $DIR/simplify_match.rs:+1:5: +1:31
++         switchInt(const false) -> [0: bb1, otherwise: bb2]; // scope 0 at $DIR/simplify_match.rs:+1:5: +1:31
+      }
+  
+      bb1: {
+          goto -> bb3;                     // scope 0 at $DIR/simplify_match.rs:+3:18: +3:20
+      }
+  
+      bb2: {
+          _0 = noop() -> [return: bb3, unwind unreachable]; // scope 0 at $DIR/simplify_match.rs:+2:17: +2:23
+                                           // mir::Constant
+                                           // + span: $DIR/simplify_match.rs:8:17: 8:21
+                                           // + literal: Const { ty: fn() {noop}, val: Value(<ZST>) }
+      }
+  
+      bb3: {
+          return;                          // scope 0 at $DIR/simplify_match.rs:+5:2: +5:2
+      }
+  }
+  
diff --git a/tests/mir-opt/simplify_match.main.ConstProp.diff b/tests/mir-opt/simplify_match.main.ConstProp.panic-unwind.diff
index d2b9ac3cc0b..d2b9ac3cc0b 100644
--- a/tests/mir-opt/simplify_match.main.ConstProp.diff
+++ b/tests/mir-opt/simplify_match.main.ConstProp.panic-unwind.diff
diff --git a/tests/mir-opt/unreachable.main.UnreachablePropagation.panic-abort.diff b/tests/mir-opt/unreachable.main.UnreachablePropagation.panic-abort.diff
new file mode 100644
index 00000000000..a53facea506
--- /dev/null
+++ b/tests/mir-opt/unreachable.main.UnreachablePropagation.panic-abort.diff
@@ -0,0 +1,70 @@
+- // MIR for `main` before UnreachablePropagation
++ // MIR for `main` after UnreachablePropagation
+  
+  fn main() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/unreachable.rs:+0:11: +0:11
+      let mut _1: std::option::Option<Empty>; // in scope 0 at $DIR/unreachable.rs:+1:23: +1:30
+      let mut _2: isize;                   // in scope 0 at $DIR/unreachable.rs:+1:12: +1:20
+      let _5: ();                          // in scope 0 at $DIR/unreachable.rs:+4:9: +8:10
+      let mut _6: bool;                    // in scope 0 at $DIR/unreachable.rs:+4:12: +4:16
+      let mut _7: !;                       // in scope 0 at $DIR/unreachable.rs:+10:9: +10:21
+      scope 1 {
+          debug _x => _3;                  // in scope 1 at $DIR/unreachable.rs:+1:17: +1:19
+          let _3: Empty;                   // in scope 1 at $DIR/unreachable.rs:+1:17: +1:19
+          let mut _4: i32;                 // in scope 1 at $DIR/unreachable.rs:+2:13: +2:19
+          scope 2 {
+              debug _y => _4;              // in scope 2 at $DIR/unreachable.rs:+2:13: +2:19
+          }
+      }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 1 at $DIR/unreachable.rs:+1:23: +1:30
+          _1 = empty() -> [return: bb1, unwind unreachable]; // scope 1 at $DIR/unreachable.rs:+1:23: +1:30
+                                           // mir::Constant
+                                           // + span: $DIR/unreachable.rs:10:23: 10:28
+                                           // + literal: Const { ty: fn() -> Option<Empty> {empty}, val: Value(<ZST>) }
+      }
+  
+      bb1: {
+          _2 = discriminant(_1);           // scope 1 at $DIR/unreachable.rs:+1:12: +1:20
+-         switchInt(move _2) -> [1: bb2, otherwise: bb6]; // scope 1 at $DIR/unreachable.rs:+1:12: +1:20
++         switchInt(move _2) -> [1: bb2, otherwise: bb3]; // scope 1 at $DIR/unreachable.rs:+1:12: +1:20
+      }
+  
+      bb2: {
+-         StorageLive(_3);                 // scope 1 at $DIR/unreachable.rs:+1:17: +1:19
+-         _3 = move ((_1 as Some).0: Empty); // scope 1 at $DIR/unreachable.rs:+1:17: +1:19
+-         StorageLive(_4);                 // scope 1 at $DIR/unreachable.rs:+2:13: +2:19
+-         StorageLive(_5);                 // scope 2 at $DIR/unreachable.rs:+4:9: +8:10
+-         StorageLive(_6);                 // scope 2 at $DIR/unreachable.rs:+4:12: +4:16
+-         _6 = const true;                 // scope 2 at $DIR/unreachable.rs:+4:12: +4:16
+-         switchInt(move _6) -> [0: bb4, otherwise: bb3]; // scope 2 at $DIR/unreachable.rs:+4:12: +4:16
++         unreachable;                     // scope 2 at $DIR/unreachable.rs:+4:12: +4:16
+      }
+  
+      bb3: {
+-         _4 = const 21_i32;               // scope 2 at $DIR/unreachable.rs:+5:13: +5:20
+-         _5 = const ();                   // scope 2 at $DIR/unreachable.rs:+4:17: +6:10
+-         goto -> bb5;                     // scope 2 at $DIR/unreachable.rs:+4:9: +8:10
+-     }
+- 
+-     bb4: {
+-         _4 = const 42_i32;               // scope 2 at $DIR/unreachable.rs:+7:13: +7:20
+-         _5 = const ();                   // scope 2 at $DIR/unreachable.rs:+6:16: +8:10
+-         goto -> bb5;                     // scope 2 at $DIR/unreachable.rs:+4:9: +8:10
+-     }
+- 
+-     bb5: {
+-         StorageDead(_6);                 // scope 2 at $DIR/unreachable.rs:+8:9: +8:10
+-         StorageDead(_5);                 // scope 2 at $DIR/unreachable.rs:+8:9: +8:10
+-         StorageLive(_7);                 // scope 2 at $DIR/unreachable.rs:+10:9: +10:21
+-         unreachable;                     // scope 2 at $DIR/unreachable.rs:+10:15: +10:17
+-     }
+- 
+-     bb6: {
+          _0 = const ();                   // scope 0 at $DIR/unreachable.rs:+11:6: +11:6
+          StorageDead(_1);                 // scope 0 at $DIR/unreachable.rs:+12:1: +12:2
+          return;                          // scope 0 at $DIR/unreachable.rs:+12:2: +12:2
+      }
+  }
+  
diff --git a/tests/mir-opt/unreachable.main.UnreachablePropagation.diff b/tests/mir-opt/unreachable.main.UnreachablePropagation.panic-unwind.diff
index 323b61346c0..323b61346c0 100644
--- a/tests/mir-opt/unreachable.main.UnreachablePropagation.diff
+++ b/tests/mir-opt/unreachable.main.UnreachablePropagation.panic-unwind.diff
diff --git a/tests/mir-opt/unreachable_diverging.main.UnreachablePropagation.panic-abort.diff b/tests/mir-opt/unreachable_diverging.main.UnreachablePropagation.panic-abort.diff
new file mode 100644
index 00000000000..b0ca8ab933f
--- /dev/null
+++ b/tests/mir-opt/unreachable_diverging.main.UnreachablePropagation.panic-abort.diff
@@ -0,0 +1,71 @@
+- // MIR for `main` before UnreachablePropagation
++ // MIR for `main` after UnreachablePropagation
+  
+  fn main() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/unreachable_diverging.rs:+0:11: +0:11
+      let _1: bool;                        // in scope 0 at $DIR/unreachable_diverging.rs:+1:9: +1:10
+      let mut _2: std::option::Option<Empty>; // in scope 0 at $DIR/unreachable_diverging.rs:+2:25: +2:32
+      let mut _3: isize;                   // in scope 0 at $DIR/unreachable_diverging.rs:+2:12: +2:22
+      let _5: ();                          // in scope 0 at $DIR/unreachable_diverging.rs:+3:9: +5:10
+      let mut _6: bool;                    // in scope 0 at $DIR/unreachable_diverging.rs:+3:12: +3:13
+      let mut _7: !;                       // in scope 0 at $DIR/unreachable_diverging.rs:+6:9: +6:22
+      scope 1 {
+          debug x => _1;                   // in scope 1 at $DIR/unreachable_diverging.rs:+1:9: +1:10
+          scope 2 {
+              debug bomb => _4;            // in scope 2 at $DIR/unreachable_diverging.rs:+2:17: +2:21
+              let _4: Empty;               // in scope 2 at $DIR/unreachable_diverging.rs:+2:17: +2:21
+          }
+      }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/unreachable_diverging.rs:+1:9: +1:10
+          _1 = const true;                 // scope 0 at $DIR/unreachable_diverging.rs:+1:13: +1:17
+          StorageLive(_2);                 // scope 2 at $DIR/unreachable_diverging.rs:+2:25: +2:32
+          _2 = empty() -> [return: bb1, unwind unreachable]; // scope 2 at $DIR/unreachable_diverging.rs:+2:25: +2:32
+                                           // mir::Constant
+                                           // + span: $DIR/unreachable_diverging.rs:15:25: 15:30
+                                           // + literal: Const { ty: fn() -> Option<Empty> {empty}, val: Value(<ZST>) }
+      }
+  
+      bb1: {
+          _3 = discriminant(_2);           // scope 2 at $DIR/unreachable_diverging.rs:+2:12: +2:22
+          switchInt(move _3) -> [1: bb2, otherwise: bb6]; // scope 2 at $DIR/unreachable_diverging.rs:+2:12: +2:22
+      }
+  
+      bb2: {
+          StorageLive(_4);                 // scope 2 at $DIR/unreachable_diverging.rs:+2:17: +2:21
+          _4 = move ((_2 as Some).0: Empty); // scope 2 at $DIR/unreachable_diverging.rs:+2:17: +2:21
+          StorageLive(_5);                 // scope 2 at $DIR/unreachable_diverging.rs:+3:9: +5:10
+          StorageLive(_6);                 // scope 2 at $DIR/unreachable_diverging.rs:+3:12: +3:13
+          _6 = _1;                         // scope 2 at $DIR/unreachable_diverging.rs:+3:12: +3:13
+          switchInt(move _6) -> [0: bb4, otherwise: bb3]; // scope 2 at $DIR/unreachable_diverging.rs:+3:12: +3:13
+      }
+  
+      bb3: {
+          _5 = loop_forever() -> [return: bb5, unwind unreachable]; // scope 2 at $DIR/unreachable_diverging.rs:+4:13: +4:27
+                                           // mir::Constant
+                                           // + span: $DIR/unreachable_diverging.rs:17:13: 17:25
+                                           // + literal: Const { ty: fn() {loop_forever}, val: Value(<ZST>) }
+      }
+  
+      bb4: {
+-         _5 = const ();                   // scope 2 at $DIR/unreachable_diverging.rs:+5:10: +5:10
+-         goto -> bb5;                     // scope 2 at $DIR/unreachable_diverging.rs:+3:9: +5:10
++         unreachable;                     // scope 2 at $DIR/unreachable_diverging.rs:+3:9: +5:10
+      }
+  
+      bb5: {
+-         StorageDead(_6);                 // scope 2 at $DIR/unreachable_diverging.rs:+5:9: +5:10
+-         StorageDead(_5);                 // scope 2 at $DIR/unreachable_diverging.rs:+5:9: +5:10
+-         StorageLive(_7);                 // scope 2 at $DIR/unreachable_diverging.rs:+6:9: +6:22
+          unreachable;                     // scope 2 at $DIR/unreachable_diverging.rs:+6:15: +6:19
+      }
+  
+      bb6: {
+          _0 = const ();                   // scope 1 at $DIR/unreachable_diverging.rs:+7:6: +7:6
+          StorageDead(_1);                 // scope 0 at $DIR/unreachable_diverging.rs:+8:1: +8:2
+          StorageDead(_2);                 // scope 0 at $DIR/unreachable_diverging.rs:+8:1: +8:2
+          return;                          // scope 0 at $DIR/unreachable_diverging.rs:+8:2: +8:2
+      }
+  }
+  
diff --git a/tests/mir-opt/unreachable_diverging.main.UnreachablePropagation.diff b/tests/mir-opt/unreachable_diverging.main.UnreachablePropagation.panic-unwind.diff
index 94bc633613b..94bc633613b 100644
--- a/tests/mir-opt/unreachable_diverging.main.UnreachablePropagation.diff
+++ b/tests/mir-opt/unreachable_diverging.main.UnreachablePropagation.panic-unwind.diff
diff --git a/tests/mir-opt/while_storage.while_loop.PreCodegen.after.panic-abort.mir b/tests/mir-opt/while_storage.while_loop.PreCodegen.after.panic-abort.mir
new file mode 100644
index 00000000000..c12f3591881
--- /dev/null
+++ b/tests/mir-opt/while_storage.while_loop.PreCodegen.after.panic-abort.mir
@@ -0,0 +1,52 @@
+// MIR for `while_loop` after PreCodegen
+
+fn while_loop(_1: bool) -> () {
+    debug c => _1;                       // in scope 0 at $DIR/while_storage.rs:+0:15: +0:16
+    let mut _0: ();                      // return place in scope 0 at $DIR/while_storage.rs:+0:24: +0:24
+    let mut _2: bool;                    // in scope 0 at $DIR/while_storage.rs:+1:11: +1:22
+    let mut _3: bool;                    // in scope 0 at $DIR/while_storage.rs:+2:12: +2:23
+
+    bb0: {
+        goto -> bb1;                     // scope 0 at $DIR/while_storage.rs:+1:5: +5:6
+    }
+
+    bb1: {
+        StorageLive(_2);                 // scope 0 at $DIR/while_storage.rs:+1:11: +1:22
+        _2 = get_bool(_1) -> [return: bb2, unwind unreachable]; // scope 0 at $DIR/while_storage.rs:+1:11: +1:22
+                                         // mir::Constant
+                                         // + span: $DIR/while_storage.rs:11:11: 11:19
+                                         // + literal: Const { ty: fn(bool) -> bool {get_bool}, val: Value(<ZST>) }
+    }
+
+    bb2: {
+        switchInt(move _2) -> [0: bb7, otherwise: bb3]; // scope 0 at $DIR/while_storage.rs:+1:11: +1:22
+    }
+
+    bb3: {
+        StorageLive(_3);                 // scope 0 at $DIR/while_storage.rs:+2:12: +2:23
+        _3 = get_bool(_1) -> [return: bb4, unwind unreachable]; // scope 0 at $DIR/while_storage.rs:+2:12: +2:23
+                                         // mir::Constant
+                                         // + span: $DIR/while_storage.rs:12:12: 12:20
+                                         // + literal: Const { ty: fn(bool) -> bool {get_bool}, val: Value(<ZST>) }
+    }
+
+    bb4: {
+        switchInt(move _3) -> [0: bb5, otherwise: bb6]; // scope 0 at $DIR/while_storage.rs:+2:12: +2:23
+    }
+
+    bb5: {
+        StorageDead(_3);                 // scope 0 at $DIR/while_storage.rs:+4:9: +4:10
+        StorageDead(_2);                 // scope 0 at $DIR/while_storage.rs:+5:5: +5:6
+        goto -> bb1;                     // scope 0 at $DIR/while_storage.rs:+1:5: +5:6
+    }
+
+    bb6: {
+        StorageDead(_3);                 // scope 0 at $DIR/while_storage.rs:+4:9: +4:10
+        goto -> bb7;                     // scope 0 at no-location
+    }
+
+    bb7: {
+        StorageDead(_2);                 // scope 0 at $DIR/while_storage.rs:+5:5: +5:6
+        return;                          // scope 0 at $DIR/while_storage.rs:+6:2: +6:2
+    }
+}
diff --git a/tests/mir-opt/while_storage.while_loop.PreCodegen.after.mir b/tests/mir-opt/while_storage.while_loop.PreCodegen.after.panic-unwind.mir
index 8922eda07ac..8922eda07ac 100644
--- a/tests/mir-opt/while_storage.while_loop.PreCodegen.after.mir
+++ b/tests/mir-opt/while_storage.while_loop.PreCodegen.after.panic-unwind.mir