t / t4013 / diff.log_-GF_masteron commit read_index_from(): catch out of order entries when reading an index file (15999d0)
   1$ git log -GF master
   2commit 9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0
   3Author: A U Thor <author@example.com>
   4Date:   Mon Jun 26 00:02:00 2006 +0000
   5
   6    Third
   7$