RFR [9] 2018-03-26: Bulk backports to sh/jdk9

[Aleksey Shipilev]

On 03/26/2018 03:45 PM, Roman Kennke wrote:
> Am 26.03.2018 um 15:31 schrieb Aleksey Shipilev:
>> This backports last week's work to sh/jdk9:
>>
>> [backport] Remove narrowOop variants of oopDesc::equals and related methods
>> [backport] Keep track of per-cycle mutator/collector allocs. Fix mutator/collector alloc region
>> overlap in traversal.
>> [backport] Rename and cleanup _regions and _free_set uses
>> [backport] Full GC should not trash empty regions
>>
>> Testing: hotspot_gc_shenandoah {fastdebug|release}
>>
>> Thanks,
>> -Aleksey
>>
> 
> There's no webrev linked here.

Argh, here:
 http://cr.openjdk.java.net/~shade/shenandoah/backports/jdk9-20180326/webrev.01/

-Aleksey