--- a/src/hotspot/share/oops/weakHandle.hpp	Mon Apr 16 12:50:10 2018 +0530
+++ b/src/hotspot/share/oops/weakHandle.hpp	Wed Apr 18 12:06:53 2018 -0400
@@ -63,4 +63,6 @@
   void print_on(outputStream* st) const;
 };
 
+typedef WeakHandle<vm_class_loader_data> ClassLoaderWeakHandle;
+
 #endif // SHARE_VM_OOPS_WEAKHANDLE_HPP