IN_ALT 3469 ext/mbstring/oniguruma/regcomp.c r = setup_tree(NCONS(node).left, reg, (state | IN_ALT), env); IN_ALT 3607 ext/mbstring/oniguruma/regcomp.c if ((state & (IN_ALT | IN_NOT | IN_VAR_REPEAT)) != 0) {