--- a/src/hotspot/share/memory/universe.hpp	Sat Aug 25 14:23:21 2018 +0200
+++ b/src/hotspot/share/memory/universe.hpp	Sat Aug 25 11:10:21 2018 -0400
@@ -486,6 +486,7 @@
   // Apply "f" to all klasses for basic types (classes not present in
   // SystemDictionary).
   static void basic_type_classes_do(void f(Klass*));
+  static void basic_type_classes_do(KlassClosure* closure);
   static void metaspace_pointers_do(MetaspaceClosure* it);
 
   // Debugging