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// The defining use below has an unconstrained lifetime argument.
// Opaque<'{empty}, 'a> := ();
// Make sure we accept it because the lifetime parameter in such position is
// irrelevant - it is an artifact of how we internally represent opaque
// generics.
// See issue #122307 for details.
//@ check-pass
#![feature(type_alias_impl_trait)]
#![allow(unconditional_recursion)]
type Opaque<'a> = impl Sized + 'a;
#[define_opaque(Opaque)]
fn test<'a>() -> Opaque<'a> {
let _: () = test::<'a>();
}
fn main() {}
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