1 files changed, 3 insertions, 1 deletions
diff --git a/libcxx/test/std/re/re.traits/default.pass.cpp b/libcxx/test/std/re/re.traits/default.pass.cpp
index b49cc864701..459f044e037 100644
--- a/libcxx/test/std/re/re.traits/default.pass.cpp
+++ b/libcxx/test/std/re/re.traits/default.pass.cpp
@@ -21,7 +21,7 @@
 #include "test_macros.h"
 #include "platform_support.h" // locale name macros
 
-int main()
+int main(int, char**)
 {
     {
         std::regex_traits<char> t1;
@@ -36,4 +36,6 @@ int main()
         std::regex_traits<wchar_t> t2;
         assert(t2.getloc().name() == LOCALE_en_US_UTF_8);
     }
+
+  return 0;
 }