method_definition_addref  405 vm_method.c    						  method_definition_addref(src_me->def));
method_definition_addref  426 vm_method.c        *(rb_method_definition_t **)&dst->def = method_definition_addref(src->def);
method_definition_addref  654 vm_method.c    						    me->def->type, method_definition_addref(me->def), 0, NULL);