bug#16923: 24.3.50; reression: `set-frame-size' loses mode line

[martin rudalics]

> I tried that, but buffer *window-frame-dump* never was filled with any
> text.  And I never saw any "fatal resize".  IOW, evaluating that defun
> did not have any effect that I noticed.  I did still continue to
> observe the behavior I have recorded above, however.  IOW, the mode line
> continued to disappear in the same way, with no changes that I could
> see.
>
> Do I need to do something more than just evaluate that defun?  Do
> I need to restart Emacs and do that first or something?  (You mentioned
> putting it in .emacs, instead of just evaluating it.  I just evaluated
> it.)

No.  I forgot that this function is not called unless the frame has at
least two windows.  You could eval (window--dump-frame) immediately in
the minibuffer window once before (saving the contents of the buffer
elsewhere) and once immediately after a bad resize.

martin