1 files changed, 13 insertions, 0 deletions
diff --git a/src/boost/libs/yap/cmake/constexpr_if.cpp b/src/boost/libs/yap/cmake/constexpr_if.cpp
new file mode 100644
index 000000000..be6ca37f7
--- /dev/null
+++ b/src/boost/libs/yap/cmake/constexpr_if.cpp
@@ -0,0 +1,13 @@
+// Copyright (C) 2016-2018 T. Zachary Laine
+//
+// Distributed under the Boost Software License, Version 1.0. (See
+// accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+int main ()
+{
+#if CHECK_CONSTEXPR_IF
+    if constexpr (true) {
+        return 0;
+    }
+#endif
+}