RFR: 8178352: BitMap::get_next_zero_offset may give wrong result on Mac

[Kim Barrett]

> On Apr 11, 2017, at 1:45 PM, Kim Barrett <kim.barrett at oracle.com> wrote:
> 
>> On Apr 10, 2017, at 2:21 PM, Kim Barrett <kim.barrett at oracle.com> wrote:
>> 
>>> On Apr 10, 2017, at 12:48 PM, Stefan Karlsson <stefan.karlsson at oracle.com> wrote:
>>> To be consistent with the other code it in that file (res & 1) == 0 should be !(res & 1).
>> 
>> That would be contrary to hotspot style guide; I think that should take precedence.
> 
> Stefan and I discussed this privately, and I’ve agreed to go with the locally consistent style here,
> even though it’s contrary to the hotspot style guide.  Part of my decision process is related to
> the next part of this reply.

Here’s the updated webrev:
http://cr.openjdk.java.net/~kbarrett/8178352/hotspot.02/

Need a second reviewer, in addition to waiting for Stefan.