GNU bug report logs - #17617
bug / regression in grep-2.19

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Jim Meyering <jim <at> meyering.net>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#17617: closed (bug / regression in grep-2.19)
Date: Thu, 29 May 2014 04:30:04 +0000

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Your message dated Wed, 28 May 2014 21:29:15 -0700
with message-id <CA+8g5KHLSOa_VHjZpDqRrWCU+QVa1QVhhrrsiUHEuTcDrA73zw <at> mail.gmail.com>
and subject line Re: bug#17617: bug / regression in grep-2.19
has caused the debbugs.gnu.org bug report #17617,
regarding bug / regression in grep-2.19
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


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17617: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=17617
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From: Péter Radics <mitchnull <at> gmail.com>
To: bug-grep <at> gnu.org
Subject: bug / regression in grep-2.19
Date: Wed, 28 May 2014 10:46:29 +0200

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Hello,

  I've found a problem introduced in the 2.19 version of grep:

[mitch <at> deneb grep-2.19]$ echo "aa" | src/grep -E 'a(b$|c$)' && echo FAIL ||
echo SUCCESS
aa
FAIL


This doesn't fail with 2.18:

[mitch <at> deneb grep-2.18]$  echo "aa" | src/grep -E 'a(b$|c$)' && echo FAIL
|| echo SUCCESS
SUCCESS


Tested on arch-linux (3.14.4-1-ARCH) and freebsd-9
Built with gcc-4.2, gcc-4.9, clang-3.3 and clang-3.4, so it's probably not
a compiler / system lib issue.

Also tested with and without the configure option
" --without-included-regex "

regards,
mitch

ps: make check passes, so a new test case should probably be included, too

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From: Jim Meyering <jim <at> meyering.net>
To: Norihiro Tanaka <noritnk <at> kcn.ne.jp>
Cc: Peter Radics <mitchnull <at> gmail.com>, 17617-done <at> debbugs.gnu.org
Subject: Re: bug#17617: bug / regression in grep-2.19
Date: Wed, 28 May 2014 21:29:15 -0700

On Wed, May 28, 2014 at 5:50 PM, Jim Meyering <jim <at> meyering.net> wrote:
> On Wed, May 28, 2014 at 4:27 PM, Norihiro Tanaka <noritnk <at> kcn.ne.jp> wrote:
>> Thanks for the report.  I submit a patch to fix and test it.
>>
>> When `is' of `must' is cleared, should be also cleared `begline' and
>> `endline' at OR in dfamust.
>
> Thank you for the quick patch.
> I've made some small changes and will push the following shortly:
...

Pushed.

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