1 files changed, 113 insertions, 0 deletions
diff --git a/tests/mir-opt/gvn.references.GVN.panic-unwind.diff b/tests/mir-opt/gvn.references.GVN.panic-unwind.diff
new file mode 100644
index 000000000..08ed4c629
--- /dev/null
+++ b/tests/mir-opt/gvn.references.GVN.panic-unwind.diff
@@ -0,0 +1,113 @@
+- // MIR for `references` before GVN
++ // MIR for `references` after GVN
+  
+  fn references(_1: impl Sized) -> () {
+      debug x => _1;
+      let mut _0: ();
+      let _2: ();
+      let mut _3: &impl Sized;
+      let _4: ();
+      let mut _5: &impl Sized;
+      let _6: ();
+      let mut _7: &mut impl Sized;
+      let _8: ();
+      let mut _9: &mut impl Sized;
+      let _10: ();
+      let mut _11: *const impl Sized;
+      let _12: ();
+      let mut _13: *const impl Sized;
+      let _14: ();
+      let mut _15: *mut impl Sized;
+      let _16: ();
+      let mut _17: *mut impl Sized;
+  
+      bb0: {
+          StorageLive(_2);
+          StorageLive(_3);
+          _3 = &_1;
+          _2 = opaque::<&impl Sized>(move _3) -> [return: bb1, unwind: bb10];
+      }
+  
+      bb1: {
+          StorageDead(_3);
+          StorageDead(_2);
+          StorageLive(_4);
+          StorageLive(_5);
+          _5 = &_1;
+          _4 = opaque::<&impl Sized>(move _5) -> [return: bb2, unwind: bb10];
+      }
+  
+      bb2: {
+          StorageDead(_5);
+          StorageDead(_4);
+          StorageLive(_6);
+          StorageLive(_7);
+          _7 = &mut _1;
+          _6 = opaque::<&mut impl Sized>(move _7) -> [return: bb3, unwind: bb10];
+      }
+  
+      bb3: {
+          StorageDead(_7);
+          StorageDead(_6);
+          StorageLive(_8);
+          StorageLive(_9);
+          _9 = &mut _1;
+          _8 = opaque::<&mut impl Sized>(move _9) -> [return: bb4, unwind: bb10];
+      }
+  
+      bb4: {
+          StorageDead(_9);
+          StorageDead(_8);
+          StorageLive(_10);
+          StorageLive(_11);
+          _11 = &raw const _1;
+          _10 = opaque::<*const impl Sized>(move _11) -> [return: bb5, unwind: bb10];
+      }
+  
+      bb5: {
+          StorageDead(_11);
+          StorageDead(_10);
+          StorageLive(_12);
+          StorageLive(_13);
+          _13 = &raw const _1;
+          _12 = opaque::<*const impl Sized>(move _13) -> [return: bb6, unwind: bb10];
+      }
+  
+      bb6: {
+          StorageDead(_13);
+          StorageDead(_12);
+          StorageLive(_14);
+          StorageLive(_15);
+          _15 = &raw mut _1;
+          _14 = opaque::<*mut impl Sized>(move _15) -> [return: bb7, unwind: bb10];
+      }
+  
+      bb7: {
+          StorageDead(_15);
+          StorageDead(_14);
+          StorageLive(_16);
+          StorageLive(_17);
+          _17 = &raw mut _1;
+          _16 = opaque::<*mut impl Sized>(move _17) -> [return: bb8, unwind: bb10];
+      }
+  
+      bb8: {
+          StorageDead(_17);
+          StorageDead(_16);
+          _0 = const ();
+          drop(_1) -> [return: bb9, unwind: bb11];
+      }
+  
+      bb9: {
+          return;
+      }
+  
+      bb10 (cleanup): {
+          drop(_1) -> [return: bb11, unwind terminate(cleanup)];
+      }
+  
+      bb11 (cleanup): {
+          resume;
+      }
+  }
+