// Copyright 2013 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 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. use std::thread; static mut dropped: bool = false; struct A { b: B, } struct B { foo: int, } impl Drop for A { fn drop(&mut self) { panic!() } } impl Drop for B { fn drop(&mut self) { unsafe { dropped = true; } } } pub fn main() { let ret = thread::spawn(move|| { let _a = A { b: B { foo: 3 } }; }).join(); assert!(ret.is_err()); unsafe { assert!(dropped); } }