rust/src/test/run-pass/issue-2735.rs

// 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 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.

trait hax { }
impl<A> hax for A { }

fn perform_hax<T: 'static>(x: ~T) -> ~hax: {
    ~x as ~hax:
}

fn deadcode() {
    perform_hax(~"deadcode".to_owned());
}

pub fn main() {
    perform_hax(~42);
}