- // MIR for `opt` before RemoveUnneededDrops
+ // MIR for `opt` after RemoveUnneededDrops
  
  fn opt(_1: bool) -> () {
      debug x => _1;                       // in scope 0 at $DIR/remove_unneeded_drops.rs:+0:8: +0:9
      let mut _0: ();                      // return place in scope 0 at $DIR/remove_unneeded_drops.rs:+0:17: +0:17
      let _2: ();                          // in scope 0 at $DIR/remove_unneeded_drops.rs:+1:5: +1:12
      let mut _3: bool;                    // in scope 0 at $DIR/remove_unneeded_drops.rs:+1:10: +1:11
      scope 1 (inlined std::mem::drop::<bool>) { // at $DIR/remove_unneeded_drops.rs:4:5: 4:12
          debug _x => _3;                  // in scope 1 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
      }
  
      bb0: {
          StorageLive(_2);                 // scope 0 at $DIR/remove_unneeded_drops.rs:+1:5: +1:12
          StorageLive(_3);                 // scope 0 at $DIR/remove_unneeded_drops.rs:+1:10: +1:11
          _3 = _1;                         // scope 0 at $DIR/remove_unneeded_drops.rs:+1:10: +1:11
-         drop(_3) -> bb1;                 // scope 1 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
-     }
- 
-     bb1: {
          StorageDead(_3);                 // scope 0 at $DIR/remove_unneeded_drops.rs:+1:11: +1:12
          StorageDead(_2);                 // scope 0 at $DIR/remove_unneeded_drops.rs:+1:12: +1:13
-         nop;                             // scope 0 at $DIR/remove_unneeded_drops.rs:+0:17: +2:2
          return;                          // scope 0 at $DIR/remove_unneeded_drops.rs:+2:2: +2:2
      }
  }