RFR(S): 8228631: Fix inconsistent OopStorage::Block owner usage

[Kim Barrett]

> On Jul 26, 2019, at 6:03 AM, Thomas Schatzl <thomas.schatzl at oracle.com> wrote:
> 
> Hi,
> 
> On Thu, 2019-07-25 at 19:41 -0400, Kim Barrett wrote:
>> Please review this cleanup of the use of the _owner member of
>> OopStorage blocks.  It's now just the intptr_t address of the owning
>> storage object, and no longer sometimes used as the actual owning
>> object.
>> 
>> CR:
>> https://bugs.openjdk.java.net/browse/JDK-8228631
>> 
>> Webrev:
>> http://cr.openjdk.java.net/~kbarrett/8228631/open.00/
>> 
> 
>  looks good.
> 
> Thomas

thanks.