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// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
// 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 {}
impl Trait for Foo {}
pub fn main() {
{
let _x: &Trait = &*(box Foo as Box<Trait>);
}
unsafe {
assert!(DROP_RAN);
}
}
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