--- a/src/hotspot/share/classfile/classLoaderHierarchyDCmd.hpp	Thu Jun 28 00:34:55 2018 -0400
+++ b/src/hotspot/share/classfile/classLoaderHierarchyDCmd.hpp	Thu Jun 28 07:00:35 2018 +0200
@@ -31,6 +31,7 @@
 class ClassLoaderHierarchyDCmd: public DCmdWithParser {
   DCmdArgument<bool> _show_classes;
   DCmdArgument<bool> _verbose;
+  DCmdArgument<bool> _fold;
 public:
 
   ClassLoaderHierarchyDCmd(outputStream* output, bool heap);