// Copyright 2015 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 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. macro_rules! bar { () => { // more layers don't help: #[allow_internal_unstable] //~ ERROR allow_internal_unstable side-steps macro_rules! baz { () => {} } } } bar!(); fn main() {}