8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap

Add ClassLoaderData object for each anonymous class with metaspaces to allocate in.

Reviewed-by: twisti, jrose, stefank

hotspot/src/share/vm/classfile/dictionary.cpp

@@ -580,7 +580,7 @@ void Dictionary::verify() {
       // class loader must be present;  a null class loader is the
       // boostrap loader
       guarantee(loader_data != NULL || DumpSharedSpaces ||
-                loader_data->is_the_null_class_loader_data() ||
+                loader_data->class_loader() == NULL ||
                 loader_data->class_loader()->is_instance(),
                 "checking type of class_loader");
       e->verify();