1 files changed, 3 insertions, 1 deletions
diff --git a/libcxx/test/std/atomics/atomics.flag/copy_volatile_assign.fail.cpp b/libcxx/test/std/atomics/atomics.flag/copy_volatile_assign.fail.cpp
index 128778ab92f..a453fab2876 100644
--- a/libcxx/test/std/atomics/atomics.flag/copy_volatile_assign.fail.cpp
+++ b/libcxx/test/std/atomics/atomics.flag/copy_volatile_assign.fail.cpp
@@ -15,9 +15,11 @@
 #include <atomic>
 #include <cassert>
 
-int main()
+int main(int, char**)
 {
     std::atomic_flag f0;
     volatile std::atomic_flag f;
     f = f0;
+
+  return 0;
 }