RFR: Bulk integration shenandoah/jdk8u -> aarch64-port/jdk8u-shenandoah 2019-04-29

[Aleksey Shipilev]

On 4/29/19 9:14 PM, Roman Kennke wrote:
> List of changes:
> http://cr.openjdk.java.net/~rkennke/jdk8u-shenandoah-integration-2019-04-29/changes.txt
> 
> Complete Webrev:
> http://cr.openjdk.java.net/~rkennke/jdk8u-shenandoah-integration-2019-04-29/webrev-all.00/

Looks okay to me. My only wish is to wait a little while a few last (pretty innocuous in themselves)
fixes pass the builds and tests in a day or two.

-Aleksey