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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <optional>
// class bad_optional_access is default constructible
#include <experimental/optional>
#include <type_traits>
int main()
{
#if _LIBCPP_STD_VER > 11
using std::experimental::bad_optional_access;
bad_optional_access ex;
#endif // _LIBCPP_STD_VER > 11
}