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Merge branch 'rs/ring-buffer-wraparound' into maint
authorJunio C Hamano <redacted>
Tue, 29 Nov 2016 21:27:55 +0000 (13:27 -0800)
committerJunio C Hamano <redacted>
Tue, 29 Nov 2016 21:27:55 +0000 (13:27 -0800)
The code that we have used for the past 10+ years to cycle
4-element ring buffers turns out to be not quite portable in
theoretical world.

* rs/ring-buffer-wraparound:
  hex: make wraparound of the index into ring-buffer explicit


Trivial merge
git clone https://git.99rst.org/PROJECT