tests/mir-opt/coroutine/async_drop.simple-{closure#0}.ElaborateDrops.diff

- // MIR for `simple::{closure#0}` before ElaborateDrops
+ // MIR for `simple::{closure#0}` after ElaborateDrops
  
  fn simple::{closure#0}(_1: {async fn body of simple()}, _2: std::future::ResumeTy) -> ()
  yields ()
   {
      debug _task_context => _2;
      let mut _0: ();
      let _3: SyncInt;
+     let mut _5: impl std::future::Future<Output = ()>;
+     let mut _6: std::future::ResumeTy;
+     let mut _7: std::task::Poll<()>;
+     let mut _8: isize;
+     let mut _9: std::pin::Pin<&mut impl std::future::Future<Output = ()>>;
+     let mut _10: &mut std::task::Context<'_>;
+     let mut _11: std::future::ResumeTy;
+     let mut _12: &mut impl std::future::Future<Output = ()>;
+     let mut _13: std::future::ResumeTy;
+     let mut _14: std::task::Poll<()>;
+     let mut _15: isize;
+     let mut _16: std::pin::Pin<&mut impl std::future::Future<Output = ()>>;
+     let mut _17: &mut std::task::Context<'_>;
+     let mut _18: std::future::ResumeTy;
+     let mut _19: &mut impl std::future::Future<Output = ()>;
+     let mut _20: std::pin::Pin<&mut AsyncInt>;
+     let mut _21: &mut AsyncInt;
      scope 1 {
          debug sync_int => _3;
          let _4: AsyncInt;
          scope 2 {
              debug async_int => _4;
          }
      }
  
      bb0: {
          StorageLive(_3);
          _3 = SyncInt(const 0_i32);
          StorageLive(_4);
          _4 = AsyncInt(const 0_i32);
          _0 = const ();
-         drop(_4) -> [return: bb1, unwind: bb7, drop: bb4];
+         goto -> bb31;
      }
  
      bb1: {
          StorageDead(_4);
          drop(_3) -> [return: bb2, unwind: bb8];
      }
  
      bb2: {
          StorageDead(_3);
-         drop(_1) -> [return: bb3, drop: bb6, unwind continue];
+         drop(_1) -> [return: bb3, unwind: bb9];
      }
  
      bb3: {
          return;
      }
  
      bb4: {
          StorageDead(_4);
-         drop(_3) -> [return: bb5, unwind: bb10];
+         goto -> bb5;
      }
  
      bb5: {
          StorageDead(_3);
-         drop(_1) -> [return: bb6, unwind continue];
+         goto -> bb6;
      }
  
      bb6: {
          coroutine_drop;
      }
  
      bb7 (cleanup): {
          StorageDead(_4);
          drop(_3) -> [return: bb8, unwind terminate(cleanup)];
      }
  
      bb8 (cleanup): {
          StorageDead(_3);
          drop(_1) -> [return: bb9, unwind terminate(cleanup)];
      }
  
      bb9 (cleanup): {
          resume;
      }
  
      bb10 (cleanup): {
          StorageDead(_3);
-         drop(_1) -> [return: bb9, unwind terminate(cleanup)];
+         goto -> bb9;
+     }
+ 
+     bb11: {
+         StorageDead(_5);
+         goto -> bb1;
+     }
+ 
+     bb12: {
+         StorageDead(_5);
+         goto -> bb4;
+     }
+ 
+     bb13 (cleanup): {
+         StorageDead(_5);
+         goto -> bb7;
+     }
+ 
+     bb14: {
+         assert(const false, "`async fn` resumed after async drop") -> [success: bb14, unwind: bb13];
+     }
+ 
+     bb15: {
+         _2 = move _6;
+         StorageDead(_6);
+         goto -> bb14;
+     }
+ 
+     bb16: {
+         _2 = move _6;
+         StorageDead(_6);
+         goto -> bb22;
+     }
+ 
+     bb17: {
+         StorageLive(_6);
+         _6 = yield(const ()) -> [resume: bb15, drop: bb16];
+     }
+ 
+     bb18: {
+         unreachable;
+     }
+ 
+     bb19: {
+         _8 = discriminant(_7);
+         switchInt(move _8) -> [0: bb12, 1: bb17, otherwise: bb18];
+     }
+ 
+     bb20: {
+         _7 = <impl Future<Output = ()> as Future>::poll(move _9, move _10) -> [return: bb19, unwind: bb13];
+     }
+ 
+     bb21: {
+         _11 = move _2;
+         _10 = std::future::get_context::<'_, '_>(move _11) -> [return: bb20, unwind: bb13];
+     }
+ 
+     bb22: {
+         _12 = &mut _5;
+         _9 = Pin::<&mut impl Future<Output = ()>>::new_unchecked(move _12) -> [return: bb21, unwind: bb13];
+     }
+ 
+     bb23: {
+         _2 = move _13;
+         StorageDead(_13);
+         goto -> bb29;
+     }
+ 
+     bb24: {
+         _2 = move _13;
+         StorageDead(_13);
+         goto -> bb22;
+     }
+ 
+     bb25: {
+         StorageLive(_13);
+         _13 = yield(const ()) -> [resume: bb23, drop: bb24];
+     }
+ 
+     bb26: {
+         _15 = discriminant(_14);
+         switchInt(move _15) -> [0: bb11, 1: bb25, otherwise: bb18];
+     }
+ 
+     bb27: {
+         _14 = <impl Future<Output = ()> as Future>::poll(move _16, move _17) -> [return: bb26, unwind: bb13];
+     }
+ 
+     bb28: {
+         _18 = move _2;
+         _17 = std::future::get_context::<'_, '_>(move _18) -> [return: bb27, unwind: bb13];
+     }
+ 
+     bb29: {
+         _19 = &mut _5;
+         _16 = Pin::<&mut impl Future<Output = ()>>::new_unchecked(move _19) -> [return: bb28, unwind: bb13];
+     }
+ 
+     bb30: {
+         StorageLive(_5);
+         _5 = async_drop_in_place::<AsyncInt>(copy (_20.0: &mut AsyncInt)) -> [return: bb29, unwind: bb13];
+     }
+ 
+     bb31: {
+         _21 = &mut _4;
+         _20 = Pin::<&mut AsyncInt>::new_unchecked(move _21) -> [return: bb30, unwind: bb7];
      }
  }