- // MIR for `match_i128_u128` before MatchBranchSimplification
+ // MIR for `match_i128_u128` after MatchBranchSimplification
  
  fn match_i128_u128(_1: EnumAi128) -> u128 {
      debug i => _1;
      let mut _0: u128;
      let mut _2: i128;
+     let mut _3: i128;
  
      bb0: {
          _2 = discriminant(_1);
-         switchInt(move _2) -> [1: bb5, 2: bb4, 3: bb3, 340282366920938463463374607431768211455: bb2, otherwise: bb1];
-     }
- 
-     bb1: {
-         unreachable;
-     }
- 
-     bb2: {
-         _0 = const core::num::<impl u128>::MAX;
-         goto -> bb6;
-     }
- 
-     bb3: {
-         _0 = const 3_u128;
-         goto -> bb6;
-     }
- 
-     bb4: {
-         _0 = const 2_u128;
-         goto -> bb6;
-     }
- 
-     bb5: {
-         _0 = const 1_u128;
-         goto -> bb6;
-     }
- 
-     bb6: {
+         StorageLive(_3);
+         _3 = move _2;
+         _0 = copy _3 as u128 (IntToInt);
+         StorageDead(_3);
          return;
      }
  }