GNU bug report logs - #65726
29.1.50; Crash in regexp engine

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Package: emacs;

Reported by: martin rudalics <rudalics <at> gmx.at>

Date: Mon, 4 Sep 2023 07:48:02 UTC

Severity: normal

Found in version 29.1.50

Fixed in version 30.1

Done: Stefan Kangas <stefankangas <at> gmail.com>

Bug is archived. No further changes may be made.

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Message #97 received at 65726 <at> debbugs.gnu.org (full text, mbox):

From: Stefan Monnier <monnier <at> iro.umontreal.ca>
To: Mattias Engdegård <mattias.engdegard <at> gmail.com>
Cc: martin rudalics <rudalics <at> gmx.at>, Eli Zaretskii <eliz <at> gnu.org>,
 65726 <at> debbugs.gnu.org
Subject: Re: bug#65726: 29.1.50; Crash in regexp engine
Date: Fri, 15 Sep 2023 18:20:25 -0400

>> I.e. keep the idea I proposed of keeping track of a beg..end region
>> that's already been handled.  But now we really do have to maintain both
>> ends (before, I only had `done` which kept track of the end of the
>> region), and just "restart" when we jump back to a point before the
>> "done" region.
> Thank you, this looks workable and should enable some further
> optimisations.

I just pushed this to `master`.

> Another option would be to add the usual cycle detection,

That wouldn't be fun, tho, would it?

> but this is probably faster.

And more thrilling.


        Stefan
This bug report was last modified 1 year and 242 days ago.

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