39 V8_INLINE bool HasInitialRegExpMap(Isolate* isolate, JSReceiver* recv) {  in HasInitialRegExpMap()  argument
40   return recv->map() == isolate->regexp_function()->initial_map();  in HasInitialRegExpMap()
46                                               Handle<JSReceiver> recv,  in SetLastIndex()  argument
50   if (HasInitialRegExpMap(isolate, *recv)) {  in SetLastIndex()
51     JSRegExp::cast(*recv)->set_last_index(*value_as_object, SKIP_WRITE_BARRIER);  in SetLastIndex()
52     return recv;  in SetLastIndex()
54     return Object::SetProperty(isolate, recv,  in SetLastIndex()
61                                               Handle<JSReceiver> recv) {  in GetLastIndex()  argument
62   if (HasInitialRegExpMap(isolate, *recv)) {  in GetLastIndex()
63     return handle(JSRegExp::cast(*recv)->last_index(), isolate);  in GetLastIndex()
65     return Object::GetProperty(isolate, recv,  in GetLastIndex()
148   JSReceiver* recv = JSReceiver::cast(*obj);  in IsUnmodifiedRegExp()  local
150   if (!HasInitialRegExpMap(isolate, recv)) return false;  in IsUnmodifiedRegExp()
153   Object* proto = recv->map()->prototype();  in IsUnmodifiedRegExp()
163   Object* last_index = JSRegExp::cast(recv)->last_index();  in IsUnmodifiedRegExp()