rust/tests/ui/feature-gates/feature-gate-rustc-attrs-1.rs
2023-01-11 09:32:08 +00:00

8 lines
527 B
Rust

// Test that `#[rustc_*]` attributes are gated by `rustc_attrs` feature gate.
#[rustc_variance] //~ ERROR the `#[rustc_variance]` attribute is just used for rustc unit tests and will never be stable
#[rustc_error] //~ ERROR the `#[rustc_error]` attribute is just used for rustc unit tests and will never be stable
#[rustc_nonnull_optimization_guaranteed] //~ ERROR the `#[rustc_nonnull_optimization_guaranteed]` attribute is just used to enable niche optimizations in libcore and libstd and will never be stable
fn main() {}