| //@ run-pass |
| //@ needs-unwind |
| //@ ignore-backends: gcc |
| |
| use std::panic; |
| |
| impl<'a> panic::UnwindSafe for Foo<'a> {} |
| impl<'a> panic::RefUnwindSafe for Foo<'a> {} |
| |
| struct Foo<'a>(&'a mut bool); |
| |
| impl<'a> Drop for Foo<'a> { |
| fn drop(&mut self) { |
| *self.0 = true; |
| } |
| } |
| |
| fn f<T: FnOnce()>(t: T) { |
| t() |
| } |
| |
| fn main() { |
| let mut ran_drop = false; |
| { |
| let x = Foo(&mut ran_drop); |
| let x = move || { let _ = x; }; |
| f(x); |
| } |
| assert!(ran_drop); |
| |
| let mut ran_drop = false; |
| { |
| let x = Foo(&mut ran_drop); |
| let result = panic::catch_unwind(move || { |
| let x = move || { let _ = x; panic!() }; |
| f(x); |
| }); |
| assert!(result.is_err()); |
| } |
| assert!(ran_drop); |
| } |
