| // This test should never pass! |
| |
| #![feature(type_alias_impl_trait)] |
| |
| trait Captures<'a> {} |
| impl<T> Captures<'_> for T {} |
| |
| struct MyTy<'a, 'b>(Option<*mut &'a &'b ()>); |
| unsafe impl Send for MyTy<'_, 'static> {} |
| |
| fn step1<'a, 'b: 'a>() -> impl Sized + Captures<'b> + 'a { |
| MyTy::<'a, 'b>(None) |
| } |
| |
| mod tait { |
| type Tait<'a> = impl Sized + 'a; |
| pub(super) fn step2<'a, 'b: 'a>() -> Tait<'a> { |
| super::step1::<'a, 'b>() |
| //~^ ERROR hidden type for `Tait<'a>` captures lifetime that does not appear in bounds |
| } |
| } |
| |
| fn step3<'a, 'b: 'a>() -> impl Send + 'a { |
| tait::step2::<'a, 'b>() |
| // This should not be Send unless `'b: 'static` |
| } |
| |
| fn main() {} |
