RFR: Upstream merge jdk/jdk -> shenandoah/jdk 2018-08-07

[Aleksey Shipilev]

On 08/07/2018 03:17 PM, Roman Kennke wrote:
> This merges in tags jdk-12+5  and adds corresponding
> shenandoah-jdk-12+5 tag. The same 'precise'
> merging+tagging procedure as last time was used.
> 
> It gives us Zhengyu's pinning and Erik Ö's SATB queue abstraction (iow,
> reduced upstream exposure).
> 
> List of stuff merged in:
> http://cr.openjdk.java.net/~rkennke/jdk-upstream-merge-2018-08-07/outgoing.txt

OK, looks good.

-Aleksey