mirror of https://github.com/rust-lang/rust
15 lines
429 B
Rust
15 lines
429 B
Rust
// 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(); //~ ERROR: is unsafe
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42
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});
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}
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