//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <functional>
// reference_wrapper
// template <ObjectType T> reference_wrapper<T> ref(T& t);
// Don't allow binding to a temp
#include<functional>structA{};constAsource(){returnA();}intmain(){std::reference_wrapper<constA>r=std::ref(source());}