Subject: Re: bug#56393: Actually fix the long lines display bug

From: Eli Zaretskii <[email-masked]>
Date: Wed, 06 Jul 2022 15:50:18 +0300

> From: Lars Ingebrigtsen <[email-masked]>
> Cc: [email-masked],  Eli Zaretskii <[email-masked]>,  Gerd
>  Möllmann
>  <[email-masked]>
> Date: Wed, 06 Jul 2022 13:31:47 +0200
> 
> There's some slight hangs when `C-s'-ing the file, but none that last
> longer than a second or two.  (Perhaps that has something to do with
> `C-s' trying to add highlights to all the matches?)

If this was in an optimized build, it is worth investigating, IMO:
second or two is quite long for an optimized build.