- // MIR for `dont_opt` before RemoveUnneededDrops
+ // MIR for `dont_opt` after RemoveUnneededDrops
  
  fn dont_opt(_1: Vec<bool>) -> () {
      debug x => _1;
      let mut _0: ();
      let _2: ();
      let mut _3: std::vec::Vec<bool>;
      scope 1 (inlined std::mem::drop::<Vec<bool>>) {
      }
  
      bb0: {
          nop;
          StorageLive(_3);
          _3 = move _1;
          drop(_3) -> [return: bb2, unwind: bb1];
      }
  
      bb1 (cleanup): {
          resume;
      }
  
      bb2: {
          StorageDead(_3);
          nop;
          nop;
          return;
      }
  }