// Copyright 2012 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. fn foo(x: *const Box) -> Box { let y = *x; //~ ERROR dereference of unsafe pointer requires unsafe function or block return y; } fn main() { }