// 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.

// shouldn't affect evaluation of $ex.
macro_rules! bad_macro { ($ex:expr) => (
    {match 9 {_x => $ex}}
)}

fn main() {
    match 8 {
        _x => assert_eq!(bad_macro!(_x),8)
    }
}