- // MIR for `identity_transmutes` before InstSimplify
+ // MIR for `identity_transmutes` after InstSimplify
  
  fn identity_transmutes() -> () {
      let mut _0: ();
      let _1: i32;
      let mut _3: std::vec::Vec<i32>;
      scope 1 {
          debug _a => _1;
          let _2: std::vec::Vec<i32>;
          scope 2 {
              debug _a => _2;
          }
      }
  
      bb0: {
          StorageLive(_1);
-         _1 = const 1_i32 as i32 (Transmute);
+         _1 = const 1_i32;
          StorageLive(_2);
          StorageLive(_3);
          _3 = Vec::<i32>::new() -> [return: bb1, unwind unreachable];
      }
  
      bb1: {
-         _2 = move _3 as std::vec::Vec<i32> (Transmute);
+         _2 = move _3;
          StorageDead(_3);
          _0 = const ();
          drop(_2) -> [return: bb2, unwind unreachable];
      }
  
      bb2: {
          StorageDead(_2);
          StorageDead(_1);
          return;
      }
  }