// 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 generating drop glue for Box doesn't ICE fn f(s: Box) -> Box { s } fn main() { // There is currently no safe way to construct a `Box`, so improvise let box_arr: Box<[u8]> = Box::new(['h' as u8, 'e' as u8, 'l' as u8, 'l' as u8, 'o' as u8]); let box_str: Box = unsafe { std::mem::transmute(box_arr) }; assert_eq!(&*box_str, "hello"); f(box_str); }