concat_opt_exact_info 4492 ext/mbstring/oniguruma/regcomp.c       concat_opt_exact_info(&to->exb, &add->exb, enc);
concat_opt_exact_info 4496 ext/mbstring/oniguruma/regcomp.c       concat_opt_exact_info(&to->exm, &add->exb, enc);
concat_opt_exact_info 4797 ext/mbstring/oniguruma/regcomp.c 		concat_opt_exact_info(&opt->exb, &nopt.exb, env->enc);