RFR: Upstream merge jdk/jdk

[Aleksey Shipilev]

On 1/21/19 4:37 PM, Roman Kennke wrote:
> I'd like to do an in-between-tags merge from upstream jdk/jdk to get
> Roland's bug-fixes and a whole bunch of Shenandoah-related improvements:
> 
> http://cr.openjdk.java.net/~rkennke/upstream-jdk13-merge-2019-01-21/outgoing.txt
> 
> Trivial merge, no conflicts, etc.
> 
> Testing: hotspot_gc_shenandoah
> 
> Ok?

OK!

-Aleksey