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// check-pass
use std::marker::PhantomData;
pub trait Foo<P> {}
impl <P, T: Foo<P>> Foo<P> for Option<T> {}
pub struct Qux<T> (PhantomData<*mut T>);
impl<T> Foo<*mut T> for Option<Qux<T>> {}
pub trait Bar {
type Output: 'static;
}
impl<T: 'static, W: Bar<Output = T>> Foo<*mut T> for W {}
fn main() {}
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