16 lines
237 B
Rust
16 lines
237 B
Rust
//@ proc-macro: derive-unstable.rs
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//@ ignore-backends: gcc
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#![allow(warnings)]
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#[macro_use]
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extern crate derive_unstable;
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#[derive(Unstable)]
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//~^ ERROR: use of unstable library feature
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struct A;
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fn main() {
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unsafe { foo(); }
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}
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