Re: What's cooking in git.git (Sep 2018, #04; Thu, 20)

> Am 21.09.2018 um 07:22 schrieb Junio C Hamano:
> > * cc/delta-islands (2018-08-16) 7 commits
> [...]
> > * jk/pack-delta-reuse-with-bitmap (2018-08-21) 6 commits
>
> Not sure if it's the interaction of the two topics or if only one of
> them is to blame, but the result of the merge can dereference a NULL
> pointer.  Found using Clang's UBSan and t5310.
> 
> Here's a patch that avoids the issue, but I don't know if it's the
> right thing to do -- should we rather treat a non-existing base as
> "not from the same island" instead?
> 
> And it's certainly ugly -- that condition is complicated enough
> already.  Splitting it up in a nice way would probably help, but how?