25 lines
875 B
Rust
25 lines
875 B
Rust
// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// tests that input to a macro is checked for use of gated features. If this
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// test succeeds due to the acceptance of a feature, pick a new feature to
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// test. Not ideal, but oh well :(
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fn main() {
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let a = &[1, 2, 3];
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println!("{}", {
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extern "rust-intrinsic" { //~ ERROR intrinsics are subject to change
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fn atomic_fence();
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}
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atomic_fence();
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42
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});
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}
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