| #![feature(rustc_attrs)] | |
| // Here we expect a coherence conflict because, even though `i32` does | |
| // not implement `Iterator`, we cannot rely on that negative reasoning | |
| // due to the orphan rules. Therefore, `A::Item` may yet turn out to | |
| // be `i32`. | |
| pub trait Foo<P> { fn foo() {} } | |
| pub trait Bar { | |
| type Output: 'static; | |
| } | |
| impl Foo<i32> for i32 { } | |
| impl<A:Iterator> Foo<A::Item> for A { } | |
| //~^ ERROR E0119 | |
| fn main() {} |