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// 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() {}
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