| // revisions: old re |
| |
| #![cfg_attr(re, feature(re_rebalance_coherence))] |
| #![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 { } |
| //[old]~^ ERROR E0119 |
| //[re]~^^ ERROR E0119 |
| |
| fn main() {} |