blob: fb2b4d476355e1dbe7ca21bee6ce5c471a26cb03 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
|
// This would previously leak the Box<Trait> because we wouldn't
// schedule cleanups when auto borrowing trait objects.
// This program should be valgrind clean.
#![feature(box_syntax)]
static mut DROP_RAN: bool = false;
struct Foo;
impl Drop for Foo {
fn drop(&mut self) {
unsafe { DROP_RAN = true; }
}
}
trait Trait { fn dummy(&self) { } }
impl Trait for Foo {}
pub fn main() {
{
let _x: &Trait = &*(box Foo as Box<Trait>);
}
unsafe {
assert!(DROP_RAN);
}
}
|
