| //===----------------------------------------------------------------------===// | |
| // | |
| // 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 | |
| } |