//===----------------------------------------------------------------------===// // // The LLVM Compiler Infrastructure // // This file is dual licensed under the MIT and the University of Illinois Open // Source Licenses. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// // // template // typename conditional // < // !is_nothrow_move_constructible::value && is_copy_constructible::value, // const T&, // T&& // >::type // move_if_noexcept(T& x); #include class A { A(const A&); A& operator=(const A&); public: A() {} #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES A(A&&) {} #endif }; struct legacy { legacy() {} legacy(const legacy&); }; int main() { int i = 0; const int ci = 0; legacy l; A a; const A ca; #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES static_assert((std::is_same::value), ""); static_assert((std::is_same::value), ""); static_assert((std::is_same::value), ""); static_assert((std::is_same::value), ""); #else // _LIBCPP_HAS_NO_RVALUE_REFERENCES static_assert((std::is_same::value), ""); static_assert((std::is_same::value), ""); static_assert((std::is_same::value), ""); static_assert((std::is_same::value), ""); #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES static_assert((std::is_same::value), ""); }