GNU bug report logs - #62983
workaround PCRE2 bug affecting at least \D and \W

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Message #11 received at 62983 <at> debbugs.gnu.org (full text, mbox):

From: Jim Meyering <jim <at> meyering.net>
To: Carlo Marcelo Arenas Belón <carenas <at> gmail.com>
Cc: 62983 <at> debbugs.gnu.org
Subject: Re: bug#62983: workaround PCRE2 bug affecting at least \D and \W
Date: Thu, 20 Apr 2023 19:35:05 -0700

On Thu, Apr 20, 2023 at 7:33 PM Jim Meyering <jim <at> meyering.net> wrote:
>
> On Thu, Apr 20, 2023 at 7:05 PM Carlo Marcelo Arenas Belón
> <carenas <at> gmail.com> wrote:
> > All versions of PCRE2 that include PCRE2_MATCH_INVALID_UTF had a bug on
> > its JIT implementation that results in failure to match for the negative
> > perl classes, and seems to be easier to replicate when the matching
> > character is a multibyte one.
> >
> > Disable that flag and use the original fallback instead.
> >
> > Alternatively JIT could be disabled instead, but the option selected has
> > less of an impact on performance.
>
> Thanks for the patch! Is there any PCRE-upstream discussion about this?
> If so, I'd like to reference that from your commit log.

Oh! I see it in the test file:
  https://github.com/PCRE2Project/pcre2/issues/224

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