On Tue, Aug 08, 2017 at 06:52:31PM -0400, Jeff King wrote:

> > Interesting.  I see that we still have the conditional code to call
> > out to sha1-lookup.c::sha1_entry_pos().  Do we need a similar change
> > over there, I wonder?  Alternatively, as we have had the experimental
> > sha1-lookup.c::sha1_entry_pos() long enough without anybody using it,
> > perhaps we should write it off as a failed experiment and retire it?
> 
> There is also sha1_pos(), which seems to have the same problem (and is
> used in several places).

Actually, I take it back. The problem happens when we enter the loop
with no entries to look at. But both sha1_pos() and sha1_entry_pos()
return early before hitting their do-while loops in that case.

-Peff

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