hg: jdk10/hs/hotspot: 8178352: BitMap::get_next_zero_offset may give wrong result on Mac

[kim.barrett at oracle.com]

Changeset: 4e5086f3b4ef
Author:    kbarrett
Date:      2017-05-03 14:13 -0400
URL:       http://hg.openjdk.java.net/jdk10/hs/hotspot/rev/4e5086f3b4ef

8178352: BitMap::get_next_zero_offset may give wrong result on Mac
Summary: Invert and search initial word for trailing ones.
Reviewed-by: stefank, cjplummer

! src/share/vm/utilities/bitMap.inline.hpp