GNU bug report logs - #22181
endless loop in grep 2.22

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From: Jim Meyering <jim <at> meyering.net>
To: Paul Eggert <eggert <at> cs.ucla.edu>
Cc: Christian Boltz <grep-bug <at> cboltz.de>, 22181 <at> debbugs.gnu.org, Seth Arnold <seth.arnold <at> canonical.com>
Subject: bug#22181: endless loop in grep 2.22
Date: Fri, 8 Jan 2016 13:32:33 -0800

[Message part 1 (text/plain, inline)]

On Fri, Jan 8, 2016 at 8:50 AM, Paul Eggert <eggert <at> cs.ucla.edu> wrote:
> On 01/07/2016 09:47 PM, Jim Meyering wrote:
>>
>> FAIL: encoding-error
>> ====================
>> ...
>> --- exp 2016-01-07 21:39:42.018646618 -0800
>> +++ out 2016-01-07 21:39:42.018646618 -0800
>> @@ -1 +1 @@
>> -Binary file in matches
>> +Pedro P\xe9rez
>> + fail=1
>
>
> I can't reproduce that in Fedora 23 x86-64, which is using gcc 5.3.1
> 20151207 (Red Hat 5.3.1-2).
>
> One hypothetical explanation is a bug or incompatibility in the
> bleeding-edge Debian shell, which I suppose could cause
> require_en_utf8_locale_ to do the wrong thing (i.e., to fail to report that
> the en_US.UTF-8 locale is missing). You might check the output of the
> command './get-mb-cur-max en_US.UTF-8' when you have the time.

Will investigate. In the mean time, here's a patch for the
false-positive failure I mentioned:

[0001-mb-non-UTF8-performance-avoid-FP-test-failure-on-fas.patch (text/x-patch, attachment)]

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