// Copyright 2014 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 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. // pretty-expanded FIXME #23616 pub trait Borrow { fn borrow(&self) -> &Borrowed; } impl Borrow for T { fn borrow(&self) -> &T { self } } trait Foo { fn foo(&self, other: &Self); } fn bar(k: &K, q: &Q) where K: Borrow, Q: Foo { q.foo(k.borrow()) } struct MyTree(K); impl MyTree { // This caused a failure in #18906 fn bar(k: &K, q: &Q) where K: Borrow, Q: Foo { q.foo(k.borrow()) } } fn main() {}