| //@ edition: 2021 | |
| //@ only-x86_64 | |
| #![feature(async_closure, target_feature_11)] | |
| // `target_feature_11` just to test safe functions w/ target features. | |
| use std::pin::Pin; | |
| use std::future::Future; | |
| #[target_feature(enable = "sse2")] | |
| fn target_feature() -> Pin<Box<dyn Future<Output = ()> + 'static>> { todo!() } | |
| fn test(f: impl async Fn()) {} | |
| fn main() { | |
| test(target_feature); //~ ERROR the trait bound | |
| } |