1 files changed, 2 insertions, 1 deletions
diff --git a/libcxx/test/std/thread/futures/futures.async/async.pass.cpp b/libcxx/test/std/thread/futures/futures.async/async.pass.cpp
index 1083cb47d44..225b63ec889 100644
--- a/libcxx/test/std/thread/futures/futures.async/async.pass.cpp
+++ b/libcxx/test/std/thread/futures/futures.async/async.pass.cpp
@@ -102,7 +102,7 @@ void test(CheckLamdba&& getAndCheckFn, bool IsDeferred, Args&&... args) {
     }
 }
 
-int main()
+int main(int, char**)
 {
     // The default launch policy is implementation defined. libc++ defines
     // it to be std::launch::async.
@@ -151,4 +151,5 @@ int main()
         try { f.get(); assert (false); } catch ( int ) {}
     }
 #endif
+    return 0;
 }