|  | //===----------------------------------------------------------------------===// | 
|  | // | 
|  | // 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 | 
|  | // | 
|  | //===----------------------------------------------------------------------===// | 
|  |  | 
|  | // UNSUPPORTED: c++03, c++11, c++14 | 
|  |  | 
|  | // <variant> | 
|  |  | 
|  | // template <class ...Types> class variant; | 
|  |  | 
|  | #include <variant> | 
|  |  | 
|  | #include "test_macros.h" | 
|  | #include "variant_test_helpers.h" | 
|  |  | 
|  | int main(int, char**) | 
|  | { | 
|  | // expected-error-re@variant:* 3 {{{{(static_assert|static assertion)}} failed}} | 
|  | std::variant<int, int&> v; // expected-note {{requested here}} | 
|  | std::variant<int, const int &> v2; // expected-note {{requested here}} | 
|  | std::variant<int, int&&> v3; // expected-note {{requested here}} | 
|  |  | 
|  | return 0; | 
|  | } |