RFR: Outstanding backports to sh/jdk8

[Aleksey Shipilev]

On 5/14/19 11:29 AM, Roman Kennke wrote:
> Those seem to be the two remaining outstanding jdk11->jdk8 backports.
> 
> - JDK-8221278: Shenandoah should not enqueue string dedup candidates
> during root scan
> - JDK-8222425: Shenandoah: Move commonly used closures to separate files
> 
> http://cr.openjdk.java.net/~rkennke/backport-jdk8-2019-05-14-02/webrev.00/
> 
> Testing: hotspot_gc_shenandoah
> 
> Ok to push?

Yes, looks good.

-Aleksey