- // MIR for `main` before ElaborateDrops
+ // MIR for `main` after ElaborateDrops
  
  fn main() -> () {
      let mut _0: ();
      let _1: std::boxed::Box<HasDrop, DropAllocator>;
      let mut _2: HasDrop;
      let mut _3: DropAllocator;
      let mut _4: bool;
      let _5: ();
      let mut _6: HasDrop;
      let _7: ();
      let mut _8: std::boxed::Box<HasDrop, DropAllocator>;
+     let mut _9: bool;
+     let mut _10: &mut std::boxed::Box<HasDrop, DropAllocator>;
+     let mut _11: ();
+     let mut _12: &mut std::boxed::Box<HasDrop, DropAllocator>;
+     let mut _13: ();
+     let mut _14: *const HasDrop;
+     let mut _15: &mut std::boxed::Box<HasDrop, DropAllocator>;
+     let mut _16: ();
+     let mut _17: *const HasDrop;
      scope 1 {
          debug b => _1;
      }
  
      bb0: {
+         _9 = const false;
          StorageLive(_1);
          StorageLive(_2);
          _2 = HasDrop;
          StorageLive(_3);
          _3 = DropAllocator;
          _1 = Box::<HasDrop, DropAllocator>::new_in(move _2, move _3) -> [return: bb1, unwind: bb11];
      }
  
      bb1: {
+         _9 = const true;
          StorageDead(_3);
          StorageDead(_2);
          StorageLive(_4);
          _4 = const true;
          switchInt(move _4) -> [0: bb4, otherwise: bb2];
      }
  
      bb2: {
          StorageLive(_5);
          StorageLive(_6);
          _6 = move (*_1);
          _5 = std::mem::drop::<HasDrop>(move _6) -> [return: bb3, unwind: bb9];
      }
  
      bb3: {
          StorageDead(_6);
          StorageDead(_5);
          _0 = const ();
          goto -> bb6;
      }
  
      bb4: {
          StorageLive(_7);
          StorageLive(_8);
+         _9 = const false;
          _8 = move _1;
          _7 = std::mem::drop::<Box<HasDrop, DropAllocator>>(move _8) -> [return: bb5, unwind: bb8];
      }
  
      bb5: {
          StorageDead(_8);
          StorageDead(_7);
          _0 = const ();
          goto -> bb6;
      }
  
      bb6: {
          StorageDead(_4);
-         drop(_1) -> [return: bb7, unwind continue];
+         goto -> bb23;
      }
  
      bb7: {
+         _9 = const false;
          StorageDead(_1);
          return;
      }
  
      bb8 (cleanup): {
-         drop(_8) -> [return: bb10, unwind terminate(cleanup)];
+         goto -> bb10;
      }
  
      bb9 (cleanup): {
-         drop(_6) -> [return: bb10, unwind terminate(cleanup)];
+         goto -> bb10;
      }
  
      bb10 (cleanup): {
-         drop(_1) -> [return: bb13, unwind terminate(cleanup)];
+         goto -> bb29;
      }
  
      bb11 (cleanup): {
-         drop(_3) -> [return: bb12, unwind terminate(cleanup)];
+         goto -> bb12;
      }
  
      bb12 (cleanup): {
-         drop(_2) -> [return: bb13, unwind terminate(cleanup)];
+         goto -> bb13;
      }
  
      bb13 (cleanup): {
          resume;
+     }
+ 
+     bb14: {
+         _9 = const false;
+         goto -> bb7;
+     }
+ 
+     bb15 (cleanup): {
+         drop((_1.1: DropAllocator)) -> [return: bb13, unwind terminate(cleanup)];
+     }
+ 
+     bb16 (cleanup): {
+         switchInt(copy _9) -> [0: bb13, otherwise: bb15];
+     }
+ 
+     bb17: {
+         drop((_1.1: DropAllocator)) -> [return: bb14, unwind: bb13];
+     }
+ 
+     bb18: {
+         switchInt(copy _9) -> [0: bb14, otherwise: bb17];
+     }
+ 
+     bb19: {
+         _10 = &mut _1;
+         _11 = <Box<HasDrop, DropAllocator> as Drop>::drop(move _10) -> [return: bb18, unwind: bb16];
+     }
+ 
+     bb20 (cleanup): {
+         _12 = &mut _1;
+         _13 = <Box<HasDrop, DropAllocator> as Drop>::drop(move _12) -> [return: bb16, unwind terminate(cleanup)];
+     }
+ 
+     bb21: {
+         goto -> bb19;
+     }
+ 
+     bb22: {
+         _14 = copy ((_1.0: std::ptr::Unique<HasDrop>).0: std::ptr::NonNull<HasDrop>) as *const HasDrop (Transmute);
+         goto -> bb21;
+     }
+ 
+     bb23: {
+         switchInt(copy _9) -> [0: bb18, otherwise: bb22];
+     }
+ 
+     bb24 (cleanup): {
+         drop((_1.1: DropAllocator)) -> [return: bb13, unwind terminate(cleanup)];
+     }
+ 
+     bb25 (cleanup): {
+         switchInt(copy _9) -> [0: bb13, otherwise: bb24];
+     }
+ 
+     bb26 (cleanup): {
+         _15 = &mut _1;
+         _16 = <Box<HasDrop, DropAllocator> as Drop>::drop(move _15) -> [return: bb25, unwind terminate(cleanup)];
+     }
+ 
+     bb27 (cleanup): {
+         goto -> bb26;
+     }
+ 
+     bb28 (cleanup): {
+         _17 = copy ((_1.0: std::ptr::Unique<HasDrop>).0: std::ptr::NonNull<HasDrop>) as *const HasDrop (Transmute);
+         goto -> bb27;
+     }
+ 
+     bb29 (cleanup): {
+         switchInt(copy _9) -> [0: bb25, otherwise: bb28];
      }
  }