//===----------------------------------------------------------------------===//
//
// 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.
//
//===----------------------------------------------------------------------===//
// type_traits
// enable_if
#include <type_traits>
int main()
{
#if _LIBCPP_STD_VER > 11
typedef std::enable_if_t<false> A;
#else
static_assert ( false, "" );
#endif
}