RFR: JDK-8213746: GC/C2 abstraction for C2 matcher

[Vladimir Kozlov]

+1.

I verified code refactoring  - looks correct.

Thanks,
Vladimir

On 11/20/18 12:36 AM, Roland Westrelin wrote:
> 
>> http://cr.openjdk.java.net/~rkennke/JDK-8213746/webrev.01/
> 
> Looks ok to me.
> 
> Roland.
>