// 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. // Creating a stack closure which references an owned pointer and then // transferring ownership of the owned box before invoking the stack // closure results in a crash. fn twice(x: Box) -> uint { *x * 2 } fn invoke(f: || -> uint) { f(); } fn main() { let x : Box = box 9; let sq : || -> uint = || { *x * *x }; twice(x); //~ ERROR: cannot move out of invoke(sq); }