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/646

Build state: failed 'git diff ...' (failure)
Revision: 769e5925f6a076436981ba64335979b19106f828
Worker: bbo1-2
Build Reason: (unknown)
Blamelist: Eric Botcazou <ebotcazou@adacore.com>, Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>, Steve Baird <baird@adacore.com>

Steps:

- 0: worker_preparation ( success )

- 1: git checkout ( success )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/269/builds/646/steps/1/logs/stdio

- 2: autoregen.py ( success )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/269/builds/646/steps/2/logs/stdio

- 3: git diff ( failure )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/269/builds/646/steps/3/logs/stdio