1 // Copyright 2014 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
11 // Test that generating drop glue for Box<str> doesn't ICE
13 #![allow(unknown_features)]
14 #![feature(box_syntax)]
16 fn f(s: Box<str>) -> Box<str> {
21 // There is currently no safe way to construct a `Box<str>`, so improvise
22 let box_arr: Box<[u8]> = box ['h' as u8, 'e' as u8, 'l' as u8, 'l' as u8, 'o' as u8];
23 let box_str: Box<str> = unsafe { std::mem::transmute(box_arr) };
24 assert_eq!(box_str.as_slice(), "hello");