tests/ui/traits/new-solver/recursive-self-normalization.rs

// compile-flags: -Ztrait-solver=next

trait Foo {
    type Assoc;
}

trait Bar {}
fn needs_bar<S: Bar>() {}

fn test<T: Foo<Assoc = <T as Foo>::Assoc>>() {
    needs_bar::<T::Assoc>();
    //~^ ERROR overflow evaluating the requirement `<T as Foo>::Assoc: Bar`
}

fn main() {}