RFR: JDK-8231086: Shenandoah: Stronger invariant for object-arraycopy

[mark.reinhold at oracle.com]

2019/9/25 3:36:55 -0700, Roman Kennke <rkennke at redhat.com>:
> We identified and fixed the problem. See:
> 
> https://mail.openjdk.java.net/pipermail/shenandoah-dev/2019-September/010626.html
> 
> and:
> https://bugs.openjdk.java.net/browse/JDK-8231447
> 
> Thanks for raising attention to this issue!

Sure thing!

- Mark