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 
18 using std::experimental::optional;
19 
20 struct X
21 {
~XX22     ~X() noexcept(false) {}
23 };
24 
25 #endif  // _LIBCPP_STD_VER > 11
26 
main()27 int main()
28 {
29 #if _LIBCPP_STD_VER > 11
30     optional<X> opt;
31 #else
32 #error
33 #endif  // _LIBCPP_STD_VER > 11
34 }
35