K 10
svn:author
V 5
dougm
K 8
svn:date
V 27
2019-11-20T16:06:48.258496Z
K 7
svn:log
V 330
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

END