bug#23101:

[Philipp Stephani <phst@google.com>]

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On Thu, Mar 24, 2016 at 7:08 PM Eli Zaretskii <eliz@gnu.org> wrote:

> > From: Philipp Stephani <phst@google.com>
> > Date: Thu, 24 Mar 2016 09:45:33 +0000
> >
> > Minimal reproduction:
> >
> > (with-temp-buffer
> >   (let ((last-nonmenu-event nil)
> > (use-dialog-box t)
> > (oldbuf (current-buffer)))
> >     (yes-or-no-p "")
> >     (cl-assert (equal oldbuf (current-buffer)))))
> >
> > Seems that yes-or-no-p switches buffers when the dialog box is used.
>
> Thanks, I think I fixed this on the emacs-25 branch.
>

Thanks for fixing, but please note that your fix relies on
make_save_ptr_ptr, which is conditionally defined:

#if ! (defined USE_X_TOOLKIT || defined USE_GTK)
Lisp_Object
make_save_ptr_ptr (void *a, void *b)

Most likely that #if should just be removed.
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