src/test/compile-fail-fulldeps/proc-macro/lints_in_proc_macros.rs

// 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.

// aux-build:bang_proc_macro2.rs
// ignore-stage1

#![feature(proc_macro, proc_macro_non_items)]
#![allow(unused_macros)]

extern crate bang_proc_macro2;

use bang_proc_macro2::bang_proc_macro2;

fn main() {
    let foobar = 42;
    bang_proc_macro2!();
    //~^ ERROR cannot find value `foobar2` in this scope
    //~^^ did you mean `foobar`?
    println!("{}", x); //~ ERROR cannot find value `x` in this scope
}