RFR: 8204538: Split ScanClosure and ScanClosureWithParBarrier

[Stefan Karlsson]

Thanks, Erik.

StefanK

On 2018-06-07 14:34, Erik Österlund wrote:
> Hi Stefan,
> 
> Looks good.
> 
> Thanks,
> /Erik
> 
> On 2018-06-07 12:16, Stefan Karlsson wrote:
>> Hi all,
>>
>> Please review this patch to change ScanClosureWithParBarrier to not 
>> inherit from ScanClosure.
>>
>> http://cr.openjdk.java.net/~stefank/8204538/webrev.01/
>> https://bugs.openjdk.java.net/browse/JDK-8204538
>>
>> ScanClosureWithParBarrier is the only ExtendedOopClosure sub class 
>> that overrides the do_oop functions of a super class. This patch 
>> cleans this up to pave the way for:
>>
>>  https://bugs.openjdk.java.net/browse/JDK-8204540 - Automatic oop 
>> closure devirtualization
>>
>> thanks,
>> StefanK
>