A new failure has been detected on builder gcc-autoregen while building gcc.

Full details are available at:
    https://builder.sourceware.org/buildbot/#/builders/269/builds/1542

Build state: failed 'git diff ...' (failure)
Revision: a945c346f57ba40fc80c14ac59be0d43624e559d
Worker: bb1-1
Build Reason: (unknown)
Blamelist: Jakub Jelinek <jakub@redhat.com>

Steps:

- 0: worker_preparation ( success )

- 1: git checkout ( success )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/269/builds/1542/steps/1/logs/stdio

- 2: autoregen.py ( success )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/269/builds/1542/steps/2/logs/stdio

- 3: git diff ( failure )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/269/builds/1542/steps/3/logs/stdio