1 files changed, 3 insertions, 1 deletions
diff --git a/libcxx/test/std/input.output/string.streams/stringstream.members/str.pass.cpp b/libcxx/test/std/input.output/string.streams/stringstream.members/str.pass.cpp
index 392a1680e5c..1dc655193b8 100644
--- a/libcxx/test/std/input.output/string.streams/stringstream.members/str.pass.cpp
+++ b/libcxx/test/std/input.output/string.streams/stringstream.members/str.pass.cpp
@@ -16,7 +16,7 @@
 #include <sstream>
 #include <cassert>
 
-int main()
+int main(int, char**)
 {
     {
         std::stringstream ss(" 123 456 ");
@@ -63,4 +63,6 @@ int main()
         ss.write("\xd1", 1);
         assert(ss.str().length() == 1);
     }
+
+  return 0;
 }