Here it is:

(defun 14170-mini ()
  (interactive)
  (remove-overlays)
  (let* ((win-end-initial (window-end nil t))
         (test-ov (make-overlay (point) (+ (point) 1000))))
    (overlay-put test-ov 'display "...")
    (cl-assert (not (= win-end-initial (window-end nil t))))
    ))

Will fail most of the time.

Evgeni


On Thu, Apr 11, 2013 at 3:50 AM, Eli Zaretskii <eliz@gnu.org> wrote:

> > Date: Thu, 11 Apr 2013 02:37:55 +0100
> > From: E Sabof <esabof@gmail.com>
> > Cc: 14170@debbugs.gnu.org
> >
> > The reason I've noticed/reported this bug was because I was working on a
> > mode with a similar implementation to linum's, and got the same behavior.
> > This is not a linum bug.
>
> Can you show a simple test case to reproduce this bug without using
> linum (or any other mode that is too large)?
>
> A simple reproduction recipe is 50% of a solution.
>
> Thanks.
>