RFR: 8217257: ZGC: Minor cleanup of ZBarrierSetC2

[Per Liden]

On 1/22/19 10:53 AM, Stefan Karlsson wrote:
> Hi Per,
> 
> On 2019-01-16 15:59, Per Liden wrote:
>> Minor style/cosmetic cleanups of ZBarrierSetC2.
>>
>> Bug: https://bugs.openjdk.java.net/browse/JDK-8217257
>> Webrev: http://cr.openjdk.java.net/~pliden/8217257/webrev.0
> 
> This change contains cleanups and they look good. However, the patch 
> also contains a bug fix in ZBarrierSetC2::escape_add_final_edges (a 
> missing break causing a fall-through in the switch statement), and I'd 
> like to see that getting fixed as a separate changeset.

Thanks for reviewing Stefan.

Filed and sent out https://bugs.openjdk.java.net/browse/JDK-8217503 to 
deal with the fall through bug.

Updated this webrev accordingly:

http://cr.openjdk.java.net/~pliden/8217257/webrev.1

/Per

> 
> Thanks,
> StefanK
> 
>>
>> /Per