[rustc.git] / src / test / ui / type-alias-impl-trait / issue-68368-non-defining-use-2.rs

// Regression test for issue #68368
// Ensures that we don't ICE when emitting an error
// for a non-defining use when lifetimes are involved

#![feature(type_alias_impl_trait)]
trait Trait<T> {}
type Alias<'a, U> = impl Trait<U>;

fn f<'a>() -> Alias<'a, ()> {}
//~^ ERROR non-defining opaque type use in defining scope

fn main() {}

impl<X> Trait<X> for () {}
Commit	Line	Data
c295e0f8 XL	1	// Regression test for issue #68368
	2	// Ensures that we don't ICE when emitting an error
	3	// for a non-defining use when lifetimes are involved
	4
	5	#![feature(type_alias_impl_trait)]
	6	trait Trait<T> {}
	7	type Alias<'a, U> = impl Trait<U>;
ee023bcb	8
c295e0f8 XL	9	fn f<'a>() -> Alias<'a, ()> {}
	10	//~^ ERROR non-defining opaque type use in defining scope
	11
	12	fn main() {}
	13
	14	impl<X> Trait<X> for () {}