src/share/vm/classfile/systemDictionary.cpp

*** 1220,1229 ****
--- 1220,1231 ----
  //   - Class from -Xbootclasspath/a. The class has no defined PackageEntry, or must
  //     be defined in an unnamed module.
  bool SystemDictionary::is_shared_class_visible(Symbol* class_name,
                                                 instanceKlassHandle ik,
                                                 Handle class_loader, TRAPS) {
+   assert(!ModuleEntryTable::javabase_moduleEntry()->is_patched(),
+          "Cannot use sharing if java.base is patched");
    ResourceMark rm;
    int path_index = ik->shared_classpath_index();
    SharedClassPathEntry* ent =
              (SharedClassPathEntry*)FileMapInfo::shared_classpath(path_index);
    if (!Universe::is_module_initialized()) {
*** 1247,1256 ****
--- 1249,1264 ----
      if (pkg_entry != NULL) {
        mod_entry = pkg_entry->module();
      }
    }
  
+   // If the archived class is from a module that has been patched at runtime,
+   // the class cannot be loaded from the archive.
+   if (mod_entry != NULL && mod_entry->is_patched()) {
+     return false;
+   }
+ 
    if (class_loader.is_null()) {
      assert(ent != NULL, "Shared class for NULL classloader must have valid SharedClassPathEntry");
      // The NULL classloader can load archived class originated from the
      // "modules" jimage and the -Xbootclasspath/a. For class from the
      // "modules" jimage, the PackageEntry/ModuleEntry must be defined