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- // MIR for `compare_address` before CopyProp
+ // MIR for `compare_address` after CopyProp
  
  fn compare_address() -> bool {
      let mut _0: bool;
      let mut _1: u8;
      let mut _2: &u8;
      let mut _3: u8;
      let mut _4: &u8;
  
      bb0: {
          _1 = const 5_u8;
          _2 = &_1;
          _3 = copy _1;
          _4 = &_3;
          _0 = cmp_ref(copy _2, copy _4) -> [return: bb1, unwind continue];
      }
  
      bb1: {
          _0 = opaque::<u8>(copy _3) -> [return: bb2, unwind continue];
      }
  
      bb2: {
          return;
      }
  }