| #![feature(anonymous_lifetime_in_impl_trait)] | |
| // The same thing should happen for constraints in dyn trait. | |
| fn f(x: &mut dyn Iterator<Item: Iterator<Item = &'_ ()>>) -> Option<&'_ ()> { x.next() } | |
| //~^ ERROR associated type bounds are not allowed in `dyn` types | |
| //~| ERROR missing lifetime specifier | |
| fn main() {} |