Alexander Pepper [off-list ref] writes:
When used git version 1.7.7.rc1 I didn't observed any case where git
show and git log --numstat mismatch. I'm only a little confused, that
'git show' yields different results, depending on the git version.
In general it is not surprising nor unexpected--as long as both patches
describe the change correctly, they are both valid.
What was unexpected to me was that 27af01d (xdiff/xprepare: improve O(n*m)
performance in xdl_cleanup_records(), 2011-08-17) which was supposed to be
only about performance and not about logic made that difference.