return !(flags & (GCF_MARK | GCF_LOCKMASK | GCF_FINAL));
return !(flags & (GCF_MARK | GCF_LOCK | GCF_FINAL));
js_IsAboutToBeFinalized(JSContext *cx, void *thing){    uint8 flags = *js_GetGCThingFlags(thing);    return !(flags & (GCF_MARK | GCF_LOCKMASK | GCF_FINAL));}