RFR [8], 2018-08-21, Bulk backports to sh/jdk8u

[Zhengyu Gu]

Okay.

-Zhengyu

On 08/21/2018 07:29 AM, Aleksey Shipilev wrote:
> http://cr.openjdk.java.net/~shade/shenandoah/backports/jdk8u-20180821/webrev.01/
> 
> This backports recent work to sh/jdk8u:
> 
>   [backport] Split write barrier paths for mutator and GC workers
>   [backport] clean up obsolete c2 code
>   [backport] WB slowpath should assist with evacuation of adjacent objects
>   [backport] Report heap region stats in proper units
>   [backport] Shenandoah changes to allow enabling -Wreorder
>   [backport] Convert magic value to ShenandoahPacingSurcharge
>   [backport] Trivial enhancement to avoid costly deletion array element
> 
> Testing: hotspot_tier3_gc_shenandoah {fastdebug|release}
> 
> Thanks,
> -Aleksey
>