Subject: bug#51577: 27.2; Regression: reproducible hang with face functions

From: Lars Ingebrigtsen <[email-masked]>
Date: Thu, 04 Nov 2021 19:15:23 +0100

Eli Zaretskii <[email-masked]> writes:

> And how does your code differ from this:
>
>   (while t nil)
>
> Or would you consider it a bug that Emacs doesn't detect the infinite
> while-loop, either?

We do try to detect loops in other situations (to avoid hangs).  This is
in redisplay code, though (I think?), so perhaps it would be
prohibitively expensive to try to detect loops here?

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