- // MIR for `f` before Inline
+ // MIR for `f` after Inline
  
  fn f(_1: impl Fn()) -> () {
      debug g => _1;                       // in scope 0 at $DIR/cycle.rs:+0:6: +0:7
      let mut _0: ();                      // return place in scope 0 at $DIR/cycle.rs:+0:20: +0:20
      let _2: ();                          // in scope 0 at $DIR/cycle.rs:+1:5: +1:8
      let mut _3: &impl Fn();              // in scope 0 at $DIR/cycle.rs:+1:5: +1:6
      let mut _4: ();                      // in scope 0 at $DIR/cycle.rs:+1:5: +1:8
  
      bb0: {
          StorageLive(_2);                 // scope 0 at $DIR/cycle.rs:+1:5: +1:8
          StorageLive(_3);                 // scope 0 at $DIR/cycle.rs:+1:5: +1:6
          _3 = &_1;                        // scope 0 at $DIR/cycle.rs:+1:5: +1:6
          StorageLive(_4);                 // scope 0 at $DIR/cycle.rs:+1:5: +1:8
          _4 = ();                         // scope 0 at $DIR/cycle.rs:+1:5: +1:8
          _2 = <impl Fn() as Fn<()>>::call(move _3, move _4) -> [return: bb1, unwind: bb3]; // scope 0 at $DIR/cycle.rs:+1:5: +1:8
                                           // mir::Constant
                                           // + span: $DIR/cycle.rs:6:5: 6:6
                                           // + literal: Const { ty: for<'a> extern "rust-call" fn(&'a impl Fn(), ()) -> <impl Fn() as FnOnce<()>>::Output {<impl Fn() as Fn<()>>::call}, val: Value(<ZST>) }
      }
  
      bb1: {
          StorageDead(_4);                 // scope 0 at $DIR/cycle.rs:+1:7: +1:8
          StorageDead(_3);                 // scope 0 at $DIR/cycle.rs:+1:7: +1:8
          StorageDead(_2);                 // scope 0 at $DIR/cycle.rs:+1:8: +1:9
          _0 = const ();                   // scope 0 at $DIR/cycle.rs:+0:20: +2:2
          drop(_1) -> [return: bb2, unwind: bb4]; // scope 0 at $DIR/cycle.rs:+2:1: +2:2
      }
  
      bb2: {
          return;                          // scope 0 at $DIR/cycle.rs:+2:2: +2:2
      }
  
      bb3 (cleanup): {
          drop(_1) -> bb4;                 // scope 0 at $DIR/cycle.rs:+2:1: +2:2
      }
  
      bb4 (cleanup): {
          resume;                          // scope 0 at $DIR/cycle.rs:+0:1: +2:2
      }
  }