dougm 66596a3c10 Instead of looking up a predecessor or successor to the current map
entry, when that entry has been seen already, keep the
already-looked-up value in a variable and use that instead of looking
it up again.

Approved by: alc, markj (earlier version), kib (earlier version)
Differential Revision: https://reviews.freebsd.org/D22348
2019-11-20 16:06:48 +00:00
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