| // This used to ICE because it creates an `impl Trait` that captures a | |
| // hidden empty region. | |
| // build-pass (FIXME(62277): could be check-pass?) | |
| fn server() -> impl FilterBase2 { | |
| segment2(|| { loop { } }).map2(|| "") | |
| } | |
| trait FilterBase2 { | |
| fn map2<F>(self, _fn: F) -> Map2<F> where Self: Sized { loop { } } | |
| } | |
| struct Map2<F> { _func: F } | |
| impl<F> FilterBase2 for Map2<F> { } | |
| fn segment2<F>(_fn: F) -> Map2<F> where F: Fn() -> Result<(), ()> { | |
| loop { } | |
| } | |
| fn main() { server(); } |