bug#69421: 30.0.50; hangs when scrolling a certain web page

[Eli Zaretskii]

> Date: Tue, 27 Feb 2024 09:33:08 +0100
> From:  Gregor Zattler via "Bug reports for GNU Emacs,
>  the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
> 
> Dear Emacs developers, when I open this web page
> https://ux.stackexchange.com/questions/144576/how-to-visually-represent-4-state-checkbox
> with eww and press the down key at some point Emacs
> hangs and this is the output of gdb:

Thanks, should be fixed now on the emacs-29 branch, soon to be merged
with master.