// 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 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. use std::sync::atomic::AtomicOption; fn main() { let x = 0u; AtomicOption::new(box &x); //~ ERROR `x` does not live long enough }