-#![allow(incomplete_features)]
-#![feature(generic_associated_types)]
use std::ops::Deref;
trait Foo {
type Bar<'a>: Deref<Target = <Self>::Bar<Target = Self>>;
//~^ ERROR this associated type takes 1 lifetime argument but 0 lifetime arguments were supplied
+ //~| ERROR associated type bindings are not allowed here
//~| HELP add missing
}