copy_opt_anc_info 4227 ext/mbstring/oniguruma/regcomp.c   copy_opt_anc_info(&to->anc, &tanc);
copy_opt_anc_info 4470 ext/mbstring/oniguruma/regcomp.c   copy_opt_anc_info(&to->anc, &tanc);
copy_opt_anc_info 4475 ext/mbstring/oniguruma/regcomp.c     copy_opt_anc_info(&add->exb.anc, &tanc);