Don't worry, it's a known bug, there is an open bpo issue for it :-)

It's an old OS and old GCC version. Upgrading the buildbot worker should be enough to fix it.

The compiler fails randomly since at least 1 year.

Victor

Le samedi 29 décembre 2018, Pablo Galindo Salgado <pablogsal@gmail.com> a écrit :
> Oh wow, a bug in gcc!!
>
> Objects/unicodeobject.c: In function ‘unicode_isupper_impl’:
> Objects/unicodeobject.c:15661:1: internal compiler error: in create_edge, at cgraph.c:850
>  }
>  ^
> Please submit a full bug report,
> with preprocessed source if appropriate.
> See <file:///usr/share/doc/gcc-6/README.Bugs> for instructions.
> I wonder if this is because the builder was updating gcc in the middle of this operation, as this looks very suspiciously related to:
> https://buildbot.python.org/all/#/builders/128/builds/915
>
> New builds are OK.
> On Wed, 12 Dec 2018 at 03:14, <buildbot@python.org> wrote:
>>
>> The Buildbot has detected a failed build on builder AMD64 Debian PGO 3.7 while building python/cpython.
>> Full details are available at:
>>     https://buildbot.python.org/all/#builders/128/builds/877
>>
>> Buildbot URL: https://buildbot.python.org/all/
>>
>> Worker for this Build: gps-debian-profile-opt
>>
>> Build Reason: <unknown>
>> Blamelist: Ned Deily <nad@python.org>
>>
>> BUILD FAILED: failed compile (failure)
>>
>> Sincerely,
>>  -The Buildbot
>> _______________________________________________
>> Buildbot-status mailing list -- buildbot-status@python.org
>> To unsubscribe send an email to buildbot-status-leave@python.org
>> https://mail.python.org/mm3/mailman3/lists/buildbot-status.python.org/
>

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