RFR: 8196865: G1 log for active workers is wrong

[Thomas Schatzl]

On Fri, 2018-03-23 at 10:05 +0100, Leo Korinth wrote:
> Hi,
> 
> Updating a local variable after recalculating number of active
> workers 
> (fixes bad logging). I need a sponsor for the change.
> 
> Bug:
> https://bugs.openjdk.java.net/browse/JDK-8196865
> 
> Webrev:
> http://cr.openjdk.java.net/~lkorinth/8196865/00/

  looks good. I can sponsor. Please send me a complete patch.

Thanks,
  Thomas