1//===----------------------------------------------------------------------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is dual licensed under the MIT and the University of Illinois Open
6// Source Licenses. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10// <optional>
11
12// T shall be an object type and shall satisfy the requirements of Destructible
13
14#include <experimental/optional>
15
16#if _LIBCPP_STD_VER > 11
17
18using std::experimental::optional;
19
20struct X
21{
22    ~X() noexcept(false) {}
23};
24
25#endif  // _LIBCPP_STD_VER > 11
26
27int main()
28{
29#if _LIBCPP_STD_VER > 11
30    optional<X> opt;
31#else
32#error
33#endif  // _LIBCPP_STD_VER > 11
34}
35