And then the message triggers at the second test in t3420 when
applied on top of 587947750bd7 (rebase: implement --[no-]autostash
and rebase.autostash, 2013-05-12) or 45acb7592825 (Merge branch
'rr/rebase-autostash', 2013-06-11).
What was triggered? (I didn't understand what you said)