A failed build has been detected on builder gcc-autoregen while building gcc.

Full details are available at:
    https://builder.sourceware.org/buildbot/#/builders/269/builds/678

Build state: failed 'git diff ...' (failure)
Revision: bf783f6ca4646101d306cdff9a71baa71cacefbb
Worker: bb1-1
Build Reason: (unknown)
Blamelist: Christophe Lyon <christophe.lyon@linaro.org>, Eric Botcazou <ebotcazou@adacore.com>, Florian Weimer <fweimer@redhat.com>, GCC Administrator <gccadmin@gcc.gnu.org>, Gaius Mulley <gaiusmod2@gmail.com>, Harald Anlauf <anlauf@gmx.de>, Ian Lance Taylor <iant@golang.org>, Jason Merrill <jason@redhat.com>, Javier Miranda <miranda@adacore.com>, Jonathan Wakely <jwakely@redhat.com>, Juzhe-Zhong <juzhe.zhong@rivai.ai>, Marek Polacek <polacek@redhat.com>, Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>, Richard Biener <rguenther@suse.de>, Sheri Bernstein <bernstein@adacore.com>, Steve Baird <baird@adacore.com>, Thomas Schwinge <thomas@codesourcery.com>, Viljar Indus <indus@adacore.com>, Wilco Dijkstra <wilco.dijkstra@arm.com>, Yannick Moy <moy@adacore.com>

Steps:

- 0: worker_preparation ( success )

- 1: git checkout ( success )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/269/builds/678/steps/1/logs/stdio

- 2: autoregen.py ( success )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/269/builds/678/steps/2/logs/stdio

- 3: git diff ( failure )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/269/builds/678/steps/3/logs/stdio