| // run-pass |
| // ignore-pretty issue #37201 |
| |
| // Check that when a `let`-binding occurs in a loop, its associated |
| // drop-flag is reinitialized (to indicate "needs-drop" at the end of |
| // the owning variable's scope). |
| |
| struct A<'a>(&'a mut i32); |
| |
| impl<'a> Drop for A<'a> { |
| fn drop(&mut self) { |
| *self.0 += 1; |
| } |
| } |
| |
| fn main() { |
| let mut cnt = 0; |
| for i in 0..2 { |
| let a = A(&mut cnt); |
| if i == 1 { // Note that |
| break; // both this break |
| } // and also |
| drop(a); // this move of `a` |
| // are necessary to expose the bug |
| } |
| assert_eq!(cnt, 2); |
| } |
