RFR (S) 8232702: Shenandoah: gc/shenandoah/TestVerifyJCStress.java uses non-existent -XX:+VerifyObjectEquals

[Roman Kennke]

Looks good. Thanks!

Roman


> Testbug:
>   https://bugs.openjdk.java.net/browse/JDK-8232702
> 
> Fix:
>   https://cr.openjdk.java.net/~shade/8232702/webrev.01/
> 
> This is the left-over from the days when ShenandoahVerifyObjectEquals was just VerifyObjectEquals.
> It was removed by JDK-8231946. This test never noticed it, because it ignored unrecognized VM
> options wholesale, but should really only do it for the ShVerifyOptoBarriers.
> 
> Testing: affected test on Linux x86_64 {release, fastdebug, slowdebug}
>