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/1548

Build state: failed 'git diff ...' (failure)
Revision: 97c1f176278ddf42931d8ff8ca86c044227e77e3
Worker: bbo1-1
Build Reason: (unknown)
Blamelist: GCC Administrator <gccadmin@gcc.gnu.org>, Harald Anlauf <anlauf@gmx.de>, Jakub Jelinek <jakub@redhat.com>, Juzhe-Zhong <juzhe.zhong@rivai.ai>, Kwok Cheung Yeung <kcy@codesourcery.com>, Patrick Palka <ppalka@redhat.com>

Steps:

- 0: worker_preparation ( success )

- 1: git checkout ( success )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/269/builds/1548/steps/1/logs/stdio

- 2: autoregen.py ( success )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/269/builds/1548/steps/2/logs/stdio

- 3: git diff ( failure )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/269/builds/1548/steps/3/logs/stdio