rust/tests/mir-opt/const_goto.issue_77355_opt.ConstGoto.diff

- // MIR for `issue_77355_opt` before ConstGoto
+ // MIR for `issue_77355_opt` after ConstGoto
  
  fn issue_77355_opt(_1: Foo) -> u64 {
      debug num => _1;
      let mut _0: u64;
-     let mut _2: bool;
-     let mut _3: isize;
+     let mut _2: isize;
  
      bb0: {
-         StorageLive(_2);
-         _3 = discriminant(_1);
-         switchInt(move _3) -> [1: bb2, 2: bb2, otherwise: bb1];
+         _2 = discriminant(_1);
+         switchInt(move _2) -> [1: bb2, 2: bb2, otherwise: bb1];
      }
  
      bb1: {
-         _2 = const false;
+         _0 = const 42_u64;
          goto -> bb3;
      }
  
      bb2: {
-         _2 = const true;
+         _0 = const 23_u64;
          goto -> bb3;
      }
  
      bb3: {
-         switchInt(move _2) -> [0: bb5, otherwise: bb4];
-     }
- 
-     bb4: {
-         _0 = const 23_u64;
-         goto -> bb6;
-     }
- 
-     bb5: {
-         _0 = const 42_u64;
-         goto -> bb6;
-     }
- 
-     bb6: {
-         StorageDead(_2);
          return;
      }
  }