// 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.


use std::gc::Gc;

struct BarStruct;

impl<'a> BarStruct {
    fn foo(&'a mut self) -> Gc<BarStruct> { self }
    //~^ ERROR: error: mismatched types: expected `Gc<BarStruct>` but found `&'a mut BarStruct
}

fn main() {}