RFR [8]: 2018-10-01, Bulk backports to sh/jdk8u

[Roman Kennke]

This looks good to me.

Thanks, Roman

> Bad date in subject, fixing.
> 
> -Aleksey
> 
> On 10/01/2018 05:24 PM, Aleksey Shipilev wrote:
>> http://cr.openjdk.java.net/~shade/shenandoah/backports/jdk8u-20181001/webrev.01/
>>
>> This backports recent work to sh/jdk8u:
>>
>>  [backport] Suppressing VSC++ warning locally
>>  [backport] Handle update_refs, class_unload, ref_proc in ShConcMark better
>>  [backport] Common liveness cache in ShHeap
>>  [backport] Inline/rename confusingly named methods in ShConcurrentMark
>>  [backport] Sort ShenandoahConcurrentMark methods/fields into logical groups
>>  [backport] Prepare tests for making UseShenandoahGC experimental
>>  [backport] Fix inconsistent "process weakrefs" logging
>>  [backport] Several AArch64 cleanups
>>  [backport] Trim down oop-equals verification
>>  [backport] Remove ShWB from formssel.cpp
>>  [backport] Use s-macro to keep GC phase enum and names in sync
>>  [backport] More AArch64 assembler cleanups
>>  [backport] Renaming ShenandoahParallelEvacuationTask to ShenandoahConcurrentEvacuationTask
>>
>> Testing: hotspot_tier3_gc_shenandoah {fastdebug|release}, aarch64 build
>>
>> Thanks,
>> -Aleksey
>>
> 
>