| // Copyright 2017 The Rust Project Developers. See the COPYRIGHT |
| // file at the top-level directory of this distribution and at |
| // http://rust-lang.org/COPYRIGHT. |
| // |
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| // Formerly this ICEd with the following message: |
| // Tried to project an inherited associated type during coherence checking, |
| // which is currently not supported. |
| // |
| // No we expect to run into a more user-friendly cycle error instead. |
| |
| #![feature(specialization)] |
| |
| trait Trait<T> { type Assoc; } |
| //~^ cycle detected |
| |
| impl<T> Trait<T> for Vec<T> { |
| type Assoc = (); |
| } |
| |
| impl Trait<u8> for Vec<u8> {} |
| |
| impl<T> Trait<T> for String { |
| type Assoc = (); |
| } |
| |
| impl Trait<<Vec<u8> as Trait<u8>>::Assoc> for String {} |
| |
| fn main() {} |
