RFR: 8241700: Shenandoah: Fold ShenandoahKeepAliveBarrier flag into ShenandoahSATBBarrier

[Aleksey Shipilev]

On 3/26/20 10:01 PM, Roman Kennke wrote:
> Keep-alive of weak references and similar is strongly bound with SATB.
> There seems no reason to have two flags. Let's fold them and eliminate
> one flag.
> 
> Bug:
> https://bugs.openjdk.java.net/browse/JDK-8241700
> Webrev:
> http://cr.openjdk.java.net/~rkennke/JDK-8241700/webrev.00/

Looks good.

I am seeing double seeing double Shenandoah Shenandoah in the changeset synopsis:
 8241700: Shenandoah: Shenandoah: Fold ShenandoahKeepAliveBarrier flag into ShenandoahSATBBarrier

-- 
Thanks,
-Aleksey