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// This would previously leak the Box<Trait> because we wouldn't
// schedule cleanups when auto borrowing trait objects.
// This program should be valgrind clean.
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::new(Foo) as Box<Trait>);
}
unsafe {
assert!(DROP_RAN);
}
}
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