src/test/compile-fail/feature-gate-cfg-target-thread-local.rs

   1 // Copyright 2016 The Rust Project Developers. See the COPYRIGHT
   2 // file at the top-level directory of this distribution and at
   3 // http://rust-lang.org/COPYRIGHT.
   4 //
   5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
   6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
   7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
   8 // option. This file may not be copied, modified, or distributed
   9 // except according to those terms.
  10
  11 // ignore-windows
  12 // aux-build:cfg-target-thread-local.rs
  13
  14 #![feature(thread_local)]
  15
  16 extern crate cfg_target_thread_local;
  17
  18 extern {
  19     #[cfg_attr(target_thread_local, thread_local)]
  20     //~^ `cfg(target_thread_local)` is experimental and subject to change (see issue #29594)
  21
  22     static FOO: u32;
  23 }
  24
  25 fn main() {
  26     assert_eq!(FOO, 3);
  27 }