> From: Philipp Stephani <p.stephani2@gmail.com>
> Date: Sun, 01 Apr 2018 19:51:51 +0000
> Cc: jixiuf@qq.com, emacs-devel@gnu.org
>
>  AFAIU, you are not disabling the prompt, you are disabling the
>  auto-saving itself for such buffers.  I'm asking if that is what we
>  want -- disable auto-saving for buffers like *ediff-merge* when
>  auto-save-visited-mode is turned on.
>
> I think that's the right thing to do, yes.

Very well, then please push to the release branch, and thanks.