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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.
//
//===----------------------------------------------------------------------===//
// <utility>
// template<class T, T... I>
// struct integer_sequence
// {
// typedef T type;
//
// static constexpr size_t size() noexcept;
// };
// This test is a conforming extension. The extension turns undefined behavior
// into a compile-time error.
#include <utility>
int main()
{
#if _LIBCPP_STD_VER > 11
// Should fail to compile, since float is not an integral type
using floatmix = std::integer_sequence<float>;
floatmix::value_type I;
#else
X
#endif // _LIBCPP_STD_VER > 11
}
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