`^"` in regex breaks matching identifier highlighting

[YellowAfterlife]

5.3.4.651 / 77e3c9b

Sample snippet:

class Main {
	static function main() {
		var rx = ~/one/;
		rx.match("one");
		rx = ~/[^"]/;
		rx.match("one");
	}
}

Screenshot:

(rx would normally highlight, but with this it doesn't)