clear_opt_anc_info 4121 ext/mbstring/oniguruma/regcomp.c   clear_opt_anc_info(to);
clear_opt_anc_info 4188 ext/mbstring/oniguruma/regcomp.c   clear_opt_anc_info(&ex->anc);
clear_opt_anc_info 4451 ext/mbstring/oniguruma/regcomp.c   clear_opt_anc_info(&opt->anc);