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 | |