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 // <chrono>
11
12 // duration
13
14 // Period::num shall be positive, diagnostic required.
15
16 #include <chrono>
17
main()18 int main()
19 {
20 typedef std::chrono::duration<int, std::ratio<5, -1> > D;
21 D d;
22 }
23