| 1 | //===----------------------------------------------------------------------===// |
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | // UNSUPPORTED: c++03, c++11, c++14 |
| 10 | |
| 11 | // <functional> |
| 12 | // |
| 13 | // Make sure we can't initialize a std::function using an allocator (http://wg21.link/p0302r1). |
| 14 | // These constructors were removed in C++17. |
| 15 | |
| 16 | #include <functional> |
| 17 | #include <memory> |
| 18 | |
| 19 | struct S : public std::function<void()> { using function::function; }; |
| 20 | |
| 21 | void f() { |
| 22 | S f1( [](){} ); |
| 23 | S f2(std::allocator_arg, std::allocator<int>{}, f1); // expected-error {{no matching constructor for initialization of 'S'}} |
| 24 | } |
| 25 | |