1 files changed, 3 insertions, 1 deletions
diff --git a/libcxx/test/std/strings/basic.string/traits_mismatch.fail.cpp b/libcxx/test/std/strings/basic.string/traits_mismatch.fail.cpp
index 7e57ae1a7b1..47524d2c34d 100644
--- a/libcxx/test/std/strings/basic.string/traits_mismatch.fail.cpp
+++ b/libcxx/test/std/strings/basic.string/traits_mismatch.fail.cpp
@@ -11,7 +11,9 @@
 
 #include <string>
 
-int main()
+int main(int, char**)
 {
     std::basic_string<char, std::char_traits<wchar_t>> s;
+
+  return 0;
 }