RFR: Make Traversal share code with conc-mark

[Aleksey Shipilev]

On 02/22/2018 10:37 AM, Roman Kennke wrote:
> That makes sense:
> Differential:
> http://cr.openjdk.java.net/~rkennke/traversal-share-concmark/webrev.01.diff
> Full:
> http://cr.openjdk.java.net/~rkennke/traversal-share-concmark/webrev.01
> 
> Good?

Perfect!

-Aleksey