diff --git a/test/CodeGenCXX/static-data-member-single-emission.cpp b/test/CodeGenCXX/static-data-member-single-emission.cpp
index 2b821a90b23e669ffcac004cd132598980314dbd..8c04fab1931f2b184eed851d713536411694c311 100644
--- a/test/CodeGenCXX/static-data-member-single-emission.cpp
+++ b/test/CodeGenCXX/static-data-member-single-emission.cpp
@@ -4,6 +4,7 @@ template <typename T>
 struct HasStaticInit {
 static const int index;
 };
+extern "C"
 int the_count = 0;
 template <typename T>
 const int HasStaticInit<T>::index = the_count++;