rust/src/test/compile-fail/feature-gate-intrinsics-and-lang-items.rs
Patrick Walton 5466d13d43 librustc: Feature gate lang items and intrinsics.
If you define lang items in your crate, add `#[feature(lang_items)]`.

If you define intrinsics (`extern "rust-intrinsic"`), add
`#[feature(intrinsics)]`.

Closes #12858.

[breaking-change]
2014-06-23 23:28:28 -07:00

24 lines
729 B
Rust

// 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.
#[lang="foo"] //~ ERROR language items are subject to change
trait Foo {}
extern "rust-intrinsic" { //~ ERROR intrinsics are subject to change
fn bar();
}
extern "rust-intrinsic" fn baz() { //~ ERROR intrinsics are subject to change
}
fn main() {
}