bug#35272: [PATCH] * lisp/frame.el (frame--size-history): Fix infloop.

[Eli Zaretskii]

> From: Alex Gramiak <agrambot@gmail.com>
> Date: Sun, 14 Apr 2019 09:37:10 -0600
> 
> frame-size-history can be nil, which resulted in an infloop.
> 
> >From 5695525ed1477e908536d159da670f0f1ab4a369 Mon Sep 17 00:00:00 2001
> From: Alexander Gramiak <agrambot@gmail.com>
> Date: Sun, 14 Apr 2019 09:27:50 -0600
> Subject: [PATCH] * lisp/frame.el (frame--size-history): Fix infloop.
> 
> ---
>  lisp/frame.el | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/lisp/frame.el b/lisp/frame.el
> index b5c936a51e..6f9e769e16 100644
> --- a/lisp/frame.el
> +++ b/lisp/frame.el
> @@ -1610,7 +1610,7 @@ frame--size-history
>      (with-current-buffer (get-buffer-create "*frame-size-history*")
>        (erase-buffer)
>        (insert (format "Frame size history of %s\n" frame))
> -      (while (listp (setq entry (pop history)))
> +      (while (consp (setq entry (pop history)))
>       (when (eq (car entry) frame)
>            (pop entry)
>            (insert (format "%s" (pop entry)))

Thanks.

But wouldn't it be better to special-case the nil value, and display
something to that effect, instead of just nothing after the header?

P.S. Regardless, please be sure to mention the bug number when you
push, as it is not in the patch you sent.