GNU bug report logs - #58342
29.0.50; noverlay branch is O(N) for important calls

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Package: emacs;

Reported by: Matt Armstrong <matt <at> rfc20.org>

Date: Thu, 6 Oct 2022 23:27:01 UTC

Severity: normal

Merged with 58361

Found in version 29.0.50

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Stefan Monnier <monnier <at> iro.umontreal.ca>
Cc: gerd.moellmann <at> gmail.com, matt <at> rfc20.org, 58342 <at> debbugs.gnu.org, mail <at> andreas-politz.de
Subject: bug#58342: 29.0.50; noverlay branch is O(N) for important calls
Date: Fri, 07 Oct 2022 10:09:39 +0300

> From: Stefan Monnier <monnier <at> iro.umontreal.ca>
> Cc: bug-gnu-emacs <at> gnu.org,  Andreas Politz <mail <at> andreas-politz.de>,  Gerd
>  Möllmann <gerd.moellmann <at> gmail.com>,  Eli Zaretskii
>  <eliz <at> gnu.org>
> Date: Thu, 06 Oct 2022 21:12:26 -0400
> 
> [ Site note: `previous-overlay-change` is probably not very important in
>   practice, but `next-overlay-change` OTOH is indeed important because
>   it's used during redisplay.

previous-overlay-change is also called by redisplay (but I didn't see
how frequently), at least if you look at the code from the static
analysis POV.
This bug report was last modified 2 years and 250 days ago.

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