RFR: VerifyJCStressTest should test all heuristics

[Roman Kennke]

Am 24.01.2018 um 19:31 schrieb Aleksey Shipilev:
> http://cr.openjdk.java.net/~shade/shenandoah/verify-jcstress-all/webrev.01/
>
> We have missed unsafe oopDesc operation with traversal heuristics, because no test validates it.
> Extended VerifyJCStressTest with all heuristics. (Passive excludes -XX:+ShVerifyOptoBarriers,
> because barrier config is odd there).
>
> Testing: hotspot_gc_shenandoah
>
> Thanks,
> -Aleksey
>

Yup