| // 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. |
| |
| trait Array<'a> { |
| type Element: 'a; |
| } |
| |
| trait Visit { |
| fn visit() {} |
| } |
| |
| impl<'a> Array<'a> for () { |
| type Element = &'a (); |
| } |
| |
| impl Visit for () where |
| //(): for<'a> Array<'a, Element=&'a ()>, // No ICE |
| (): for<'a> Array<'a, Element=()>, // ICE |
| {} |
| |
| fn main() { |
| <() as Visit>::visit(); |
| //~^ ERROR type mismatch resolving `for<'a> <() as Array<'a>>::Element == ()` |
| } |
