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// <iterator>
11
12// struct input_iterator_tag {};
13
14#include <iterator>
15#include <type_traits>
16
17int main()
18{
19    std::input_iterator_tag tag;
20    static_assert((!std::is_base_of<std::output_iterator_tag,
21                                    std::input_iterator_tag>::value), "");
22}
23