1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 // <ctgmath>
10 
11 #include <ctgmath>
12 
13 int main(int, char**)
14 {
15     std::complex<double> cd;
16     (void)cd;
17     double x = std::sin(0);
18     ((void)x); // Prevent unused warning
19 
20   return 0;
21 }
22