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 // <functional>
10
11 // UNSUPPORTED: c++03, c++11, c++14
12
13 // class function<R(ArgTypes...)>
14
15 // template<class A> function(allocator_arg_t, const A&, const function&);
16 //
17 // This signature was removed in C++17
18
19 #include <functional>
20 #include <cassert>
21
22 #include "test_macros.h"
23
main(int,char **)24 int main(int, char**)
25 {
26 typedef std::function<void(int)> F;
27 F f1;
28 F f2(std::allocator_arg, std::allocator<int>(), f1); // expected-error {{no matching constructor for initialization of}}
29 return 0;
30 }
31