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// Test that we are NOT able to establish that `<T as
// MyTrait<'a>>::Output: 'a` outlives `'a` here -- we have only one
// recourse, which is to prove that `T: 'a` and `'a: 'a`, but we don't
// know that `T: 'a`.
trait MyTrait<'a> {
type Output;
}
fn foo<'a, T>() -> &'a ()
where
T: MyTrait<'a>,
{
bar::<T::Output>() //~ ERROR the parameter type `T` may not live long enough
}
fn bar<'a, T>() -> &'a ()
where
T: 'a,
{
&()
}
fn main() {}
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