src/hotspot/share/classfile/moduleEntry.hpp

@@ -67,11 +67,11 @@
                                        // for shared classes from this module
   ClassLoaderData* _loader_data;
   GrowableArray<ModuleEntry*>* _reads; // list of modules that are readable by this module
   Symbol* _version;                    // module version number
   Symbol* _location;                   // module location
-  CDS_ONLY(int _shared_path_index;)    // >0 if this classes in this module are in CDS archive
+  CDS_ONLY(int _shared_path_index;)    // >=0 if classes in this module are in CDS archive
   bool _can_read_all_unnamed;
   bool _has_default_read_edges;        // JVMTI redefine/retransform support
   bool _must_walk_reads;               // walk module's reads list at GC safepoints to purge out dead modules
   bool _is_open;                       // whether the packages in the module are all unqualifiedly exported
   bool _is_patched;                    // whether the module is patched via --patch-module

@@ -154,10 +154,11 @@
     return prev;
   }
 
   void set_is_patched() {
       _is_patched = true;
+      CDS_ONLY(_shared_path_index = -1); // Mark all shared classes in this module invisible.
   }
   bool is_patched() {
       return _is_patched;
   }