1 files changed, 3 insertions, 1 deletions
diff --git a/libcxx/test/std/numerics/numarray/template.valarray/valarray.members/sum.pass.cpp b/libcxx/test/std/numerics/numarray/template.valarray/valarray.members/sum.pass.cpp
index b1c530aa4fe..084f00fb97e 100644
--- a/libcxx/test/std/numerics/numarray/template.valarray/valarray.members/sum.pass.cpp
+++ b/libcxx/test/std/numerics/numarray/template.valarray/valarray.members/sum.pass.cpp
@@ -15,7 +15,7 @@
 #include <valarray>
 #include <cassert>
 
-int main()
+int main(int, char**)
 {
     {
         typedef double T;
@@ -24,4 +24,6 @@ int main()
         std::valarray<T> v1(a1, N1);
         assert(v1.sum() == 16.5);
     }
+
+  return 0;
 }