bug#45737: 27.1.50; Assertion failure in window_box_height

[Lars Ingebrigtsen]

martin rudalics <rudalics@gmx.at> writes:

> With the current release version running emacs -Q, evaluating
>
> (progn
>   (tab-line-mode)
>   (split-window (split-window) nil t)
>   (split-window)
>   (split-window (split-window nil nil t) nil t))
>
> and resizing the frame by dragging its lower right corner with the mouse
> to very small rectangles I can trigger the following assertion failure:
>
> ../../src/xdisp.c:1170: Emacs fatal error: assertion failed: height >= 0

I'm unable to reproduce this in Emacs 29 on Debian/bookworm.  But it
does spew out a lot of these warnings:

emacs:609181): Gtk-CRITICAL **: 02:04:10.529: 
gtk_distribute_natural_allocation: assertion 'extra_space >= 0' failed

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no