RFR (S) 8224881: Shenandoah: trashing "Collection Set, Pinned" region during Degenerated GC

[Zhengyu Gu]

Good to me.

-Zhengyu

On 6/12/19 7:10 AM, Aleksey Shipilev wrote:
> Bug:
>    https://bugs.openjdk.java.net/browse/JDK-8224881
> 
> The failure is extremely hard to reproduce: I spent many hours trying, to no avail. It requires a
> few unlikely things to happen at once. I managed to reproduce it a few times locally with the large
> test, and the fix seems to help it. So, I would like to push the fix and see if it reproduces in the
> upcoming months.
> 
> Fix:
>    http://cr.openjdk.java.net/~shade/8224881/webrev.01/
> 
> Testing: hotspot_gc_shenandoah
>