// Copyright 2015 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. #![feature(specialization)] #![feature(optin_builtin_traits)] trait Foo {} #[allow(auto_impl)] default impl Foo for .. {} //~^ ERROR `default impl` is not allowed for auto trait implementations fn main() {}