fn hello() -> impl use<'a> + Sized {}

fn all_three() -> impl Sized + use<'a> + 'a;

fn pathological() -> impl use<
    'a,
    'a,
    'a,
    'a,
    'a,
    'a,
    'a,
    'a,
    'a,
    'a,
    'a,
    'a,
    'a,
    'a,
    'a,
    'a,
    'a,
    'a,
    'a,
    'a,
    'a,
    'a,
    'a,
    'a,
    'a,
    'a,
    'a,
    'a,
    'a,
    'a,
    'a,
    'a,
    'a,
    'a,
    'a,
    'a,
    'a,
    'a,
    'a,
    'a,
    'a,
    'a,
    'a,
    'a,
    'a,
    'a,
    'a,
    'a,
> + Sized {
}