I reproduced with "emacs -Q" with emacs 26.0.90 on macOS10.13.1. No issue on emacs 25.3.1. Thanks!

Best Regards,
Vincent Zhang

-------- 原始邮件 --------
主题：Re: bug#29231: 26.0.90; invald file name for symbolic files
发件人：Eli Zaretskii
收件人：Vincent Zhang
抄送：29231@debbugs.gnu.org

> From: Vincent Zhang <vincent_chueng@hotmail.com>
> Date: Thu, 9 Nov 2017 17:41:42 +0000
>
> In Emacs 24 an 25, the symbolic file names are same as other files (e.g.
> '~/xxx), but in Emacs 26, the file name is '~/xxx/', thus 'ido' or 'ivy'
> handles files incorrectly. In fact, it will recognize it as a folder and
> create a new file.

Thanks, but please provide a minimal recipe to reproduce this,
starting from "emacs -Q".  This will allow us to investigate the
issue.