alt_merge_opt_exact_info 4917 regcomp.c alt_merge_opt_exact_info(&to->exb, &add->exb, env); alt_merge_opt_exact_info 4918 regcomp.c alt_merge_opt_exact_info(&to->exm, &add->exm, env); alt_merge_opt_exact_info 4919 regcomp.c alt_merge_opt_exact_info(&to->expr, &add->expr, env);