// 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 <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.

// pp-exact


trait Tr {
    fn dummy(&self) { }
}
impl Tr for isize { }

fn foo<'a>(x: Box<Tr+ Sync + 'a>) -> Box<Tr+ Sync + 'a> { x }

fn main() {
    let x: Box<Tr+ Sync>;

    Box::new(1isize) as Box<Tr+ Sync>;
}
