//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// <functional>
// reference_wrapper
// template <ObjectType T> reference_wrapper<T> ref(T& t);
// Don't allow binding to a temp
#include <functional>
struct A {};
const A source() {return A();}
int main(int, char**)
{
std::reference_wrapper<const A> r = std::ref(source());
(void)r;
return 0;
}