IN_ALT           3677 ext/mbstring/oniguruma/regcomp.c       r = setup_tree(NCAR(node), reg, (state | IN_ALT), env);
IN_ALT           3815 ext/mbstring/oniguruma/regcomp.c 	if ((state & (IN_ALT | IN_NOT | IN_VAR_REPEAT)) != 0) {