1 files changed, 38 insertions, 0 deletions
diff --git a/tests/mir-opt/uninhabited_fallthrough_elimination.eliminate_fallthrough.UninhabitedEnumBranching.diff b/tests/mir-opt/uninhabited_fallthrough_elimination.eliminate_fallthrough.UninhabitedEnumBranching.diff
new file mode 100644
index 000000000..58e085dd0
--- /dev/null
+++ b/tests/mir-opt/uninhabited_fallthrough_elimination.eliminate_fallthrough.UninhabitedEnumBranching.diff
@@ -0,0 +1,38 @@
+- // MIR for `eliminate_fallthrough` before UninhabitedEnumBranching
++ // MIR for `eliminate_fallthrough` after UninhabitedEnumBranching
+  
+  fn eliminate_fallthrough(_1: S) -> u32 {
+      debug s => _1;                       // in scope 0 at $DIR/uninhabited_fallthrough_elimination.rs:+0:26: +0:27
+      let mut _0: u32;                     // return place in scope 0 at $DIR/uninhabited_fallthrough_elimination.rs:+0:35: +0:38
+      let mut _2: isize;                   // in scope 0 at $DIR/uninhabited_fallthrough_elimination.rs:+2:9: +2:10
+  
+      bb0: {
+          _2 = discriminant(_1);           // scope 0 at $DIR/uninhabited_fallthrough_elimination.rs:+1:11: +1:12
+-         switchInt(move _2) -> [1: bb3, 2: bb2, otherwise: bb1]; // scope 0 at $DIR/uninhabited_fallthrough_elimination.rs:+1:5: +1:12
++         switchInt(move _2) -> [1: bb3, 2: bb2, otherwise: bb5]; // scope 0 at $DIR/uninhabited_fallthrough_elimination.rs:+1:5: +1:12
+      }
+  
+      bb1: {
+          _0 = const 3_u32;                // scope 0 at $DIR/uninhabited_fallthrough_elimination.rs:+4:14: +4:15
+          goto -> bb4;                     // scope 0 at $DIR/uninhabited_fallthrough_elimination.rs:+4:14: +4:15
+      }
+  
+      bb2: {
+          _0 = const 1_u32;                // scope 0 at $DIR/uninhabited_fallthrough_elimination.rs:+2:14: +2:15
+          goto -> bb4;                     // scope 0 at $DIR/uninhabited_fallthrough_elimination.rs:+2:14: +2:15
+      }
+  
+      bb3: {
+          _0 = const 2_u32;                // scope 0 at $DIR/uninhabited_fallthrough_elimination.rs:+3:14: +3:15
+          goto -> bb4;                     // scope 0 at $DIR/uninhabited_fallthrough_elimination.rs:+3:14: +3:15
+      }
+  
+      bb4: {
+          return;                          // scope 0 at $DIR/uninhabited_fallthrough_elimination.rs:+6:2: +6:2
++     }
++ 
++     bb5: {
++         unreachable;                     // scope 0 at $DIR/uninhabited_fallthrough_elimination.rs:+4:14: +4:15
+      }
+  }
+