rust/tests/ui/feature-gates/feature-gated-feature-in-macro-arg.rs
2025-04-06 21:41:47 +02:00

14 lines
466 B
Rust

// tests that input to a macro is checked for use of gated features. If this
// test succeeds due to the acceptance of a feature, pick a new feature to
// test. Not ideal, but oh well :(
fn main() {
let a = &[1, 2, 3];
println!("{}", {
#[rustc_intrinsic] //~ ERROR the `#[rustc_intrinsic]` attribute is used to declare intrinsics as function items
unsafe fn atomic_fence();
atomic_fence(); //~ ERROR: is unsafe
42
});
}