RFR: 8249560: Shenandoah: Fix racy GC request handling

[Aleksey Shipilev]

On 7/15/20 11:40 PM, rkennke at redhat.com wrote:
> See discussion in bug:
> 
> https://bugs.openjdk.java.net/browse/JDK-8249560
> 
> Webrev:
> http://cr.openjdk.java.net/~rkennke/JDK-8249560/webrev.00/

OK, looks good.

-- 
Thanks,
-Aleksey