RFR: 8204538: Split ScanClosure and ScanClosureWithParBarrier

[Stefan Karlsson]

On 2018-06-07 19:20, Kim Barrett wrote:
>> On Jun 7, 2018, at 6:16 AM, Stefan Karlsson <stefan.karlsson at oracle.com> 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
> I think the data members of ScanClosure can now be made private rather than protected.

Sure. I'll update the patch.

> Otherwise, looks good.  I don’t need a new webrev for that access change.
>
Thanks for reviewing.

StefanK