alt_merge_opt_exact_info 4333 ext/mbstring/oniguruma/regcomp.c   alt_merge_opt_exact_info(&to->exb,  &add->exb, env);
alt_merge_opt_exact_info 4334 ext/mbstring/oniguruma/regcomp.c   alt_merge_opt_exact_info(&to->exm,  &add->exm, env);
alt_merge_opt_exact_info 4335 ext/mbstring/oniguruma/regcomp.c   alt_merge_opt_exact_info(&to->expr, &add->expr, env);