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
10 // XFAIL: c++11, c++14
11 
12 // <functional>
13 
14 #include <functional>
15 #include <type_traits>
16 
17 #include "test_macros.h"
18 
19 struct S : public std::function<void()> { using function::function; };
20 
main(int,char **)21 int main(int, char**) {
22    S f1( [](){} );
23    S f2(std::allocator_arg, std::allocator<int>{}, f1);
24 
25   return 0;
26 }
27