Re: [PATCH] diff-tree: fix crash when used with --remerge-diff

Elijah Newren [off-list ref] writes:

The commit message from my patch also included an explanation for why
diff-tree was the only caller that was missing the necessary logic
(see the last paragraph, which kind of references the one before it as
well).

... which we may want to resurrect.

Test looks good too.

I'll be happy to add my Reviewed-by if you fix the header include order.

Thanks for a review.