// Copyright 2018 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(used)]

#[used]
static FOO: u32 = 0; // OK

#[used] //~ ERROR attribute must be applied to a `static` variable
fn foo() {}

#[used] //~ ERROR attribute must be applied to a `static` variable
struct Foo {}

#[used] //~ ERROR attribute must be applied to a `static` variable
trait Bar {}

#[used] //~ ERROR attribute must be applied to a `static` variable
impl Bar for Foo {}

fn main() {}