// 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. // pretty-expanded FIXME #23616 #![feature(box_syntax)] trait hax { fn dummy(&self) { } } impl hax for A { } fn perform_hax(x: Box) -> Box { box x as Box } fn deadcode() { perform_hax(box "deadcode".to_string()); } pub fn main() { perform_hax(box 42); }