- // MIR for `undef_union_as_integer` before ConstProp
+ // MIR for `undef_union_as_integer` after ConstProp
  
  fn undef_union_as_integer() -> u32 {
      let mut _0: u32;
      let mut _1: undef_union_as_integer::Union32;
      let mut _2: ();
      scope 1 {
      }
  
      bb0: {
          StorageLive(_1);
          StorageLive(_2);
          _2 = ();
          _1 = Union32 { value: move _2 };
          StorageDead(_2);
          _0 = move _1 as u32 (Transmute);
          StorageDead(_1);
          return;
      }
  }