- // MIR for `invalid` before EnumSizeOpt
+ // MIR for `invalid` after EnumSizeOpt
  
  fn invalid() -> InvalidIdxs {
      let mut _0: InvalidIdxs;
      let mut _1: InvalidIdxs;
      let mut _2: InvalidIdxs;
      let mut _3: [u64; 1024];
      scope 1 {
          debug a => _1;
      }
  
      bb0: {
          StorageLive(_1);
          _1 = InvalidIdxs::A;
          StorageLive(_2);
          StorageLive(_3);
          _3 = [const 0_u64; 1024];
          _2 = InvalidIdxs::Large(move _3);
          StorageDead(_3);
          _1 = move _2;
          StorageDead(_2);
          _0 = move _1;
          StorageDead(_1);
          return;
      }
  }