// Copyright 2016 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.

#![feature(rustc_attrs)]

#![allow(dead_code)]

macro_rules! foo {

($x:tt) => (type Alias = $x<i32>;)

}

foo!(Box);

#[rustc_error]

fn main() {} //~ ERROR compilation successful