src/share/vm/classfile/classFileParser.cpp

*** 4306,4318 ****
        DefaultMethods::generate_default_methods(
            this_klass(), &all_mirandas, CHECK_(nullHandle));
      }
  
      // Add read edges to the unnamed modules of the bootstrap and app class loaders.
!     if (cf_changed_in_CFLH && !jlrM_handle.is_null() && module_entry->is_named()) {
        JvmtiExport::add_default_read_edges(jlrM_handle, THREAD);
      }
  
      // Update the loader_data graph.
      record_defined_class_dependencies(this_klass, CHECK_NULL);
  
      ClassLoadingService::notify_class_loaded(InstanceKlass::cast(this_klass()),
--- 4306,4322 ----
        DefaultMethods::generate_default_methods(
            this_klass(), &all_mirandas, CHECK_(nullHandle));
      }
  
      // Add read edges to the unnamed modules of the bootstrap and app class loaders.
!     if (cf_changed_in_CFLH && !jlrM_handle.is_null() && module_entry->is_named() &&
!         !module_entry->has_default_read_edges()) {
!       if (!module_entry->set_has_default_read_edges()) {
!         // We won a potential race
          JvmtiExport::add_default_read_edges(jlrM_handle, THREAD);
        }
+     }
  
      // Update the loader_data graph.
      record_defined_class_dependencies(this_klass, CHECK_NULL);
  
      ClassLoadingService::notify_class_loaded(InstanceKlass::cast(this_klass()),