- // MIR for `main` before ConstProp
+ // MIR for `main` after ConstProp
  
  fn main() -> () {
      let mut _0: ();
      let _1: ();
      let mut _2: ((u8, u8),);
      let mut _3: (u8, u8);
  
      bb0: {
          StorageLive(_2);
          StorageLive(_3);
-         _3 = (const 1_u8, const 2_u8);
-         _2 = (move _3,);
+         _3 = const (1_u8, 2_u8);
+         _2 = (const (1_u8, 2_u8),);
          StorageDead(_3);
          _1 = test(move _2) -> [return: bb1, unwind unreachable];
      }
  
      bb1: {
          StorageDead(_2);
          return;
      }
  }