RFR: Upstream JDK11 merge

[Aleksey Shipilev]

On 08/22/2018 04:18 PM, Roman Kennke wrote:
> This merges from jdk/jdk11 to shenandoah/jdk11 and pulls in up to tags
> jdk-11+26 and jdk-11+27 and adds corresponding shenandoah-jdk-11+26 and
> shenandoah-jdk-11+27 tags. No conficts (only .hgtags) and nothing
> surprising coming in.
> 
> List of stuff:
> http://cr.openjdk.java.net/~rkennke/upstream-jdk11-merge-2018-08-22/outgoing.txt

Changesets metadata looks fine.

-Aleksey