- // MIR for `f` before CopyProp
+ // MIR for `f` after CopyProp
  
  fn f(_1: bool) -> bool {
      let mut _0: bool;                    // return place in scope 0 at $DIR/non_dominate.rs:+0:18: +0:22
      let mut _2: bool;                    // in scope 0 at $SRC_DIR/core/src/intrinsics/mir.rs:LL:COL
      let mut _3: bool;                    // in scope 0 at $SRC_DIR/core/src/intrinsics/mir.rs:LL:COL
  
      bb0: {
          goto -> bb1;                     // scope 0 at $DIR/non_dominate.rs:+4:11: +4:20
      }
  
      bb1: {
          _3 = _1;                         // scope 0 at $DIR/non_dominate.rs:+5:17: +5:22
          switchInt(_3) -> [0: bb3, otherwise: bb2]; // scope 0 at $DIR/non_dominate.rs:+5:24: +5:58
      }
  
      bb2: {
          _2 = _3;                         // scope 0 at $DIR/non_dominate.rs:+8:17: +8:22
          _1 = const false;                // scope 0 at $DIR/non_dominate.rs:+8:24: +8:33
          goto -> bb1;                     // scope 0 at $DIR/non_dominate.rs:+8:35: +8:44
      }
  
      bb3: {
          _0 = _2;                         // scope 0 at $DIR/non_dominate.rs:+9:17: +9:24
          return;                          // scope 0 at $DIR/non_dominate.rs:+9:26: +9:34
      }
  }