// 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. // Test that closures cannot subvert aliasing restrictions fn main() { // Unboxed closure case { let mut x = 0; let mut f = || &mut x; //~ ERROR cannot infer let x = f(); let y = f(); } }