RFR: 8204097: Simplify OopStorage::AllocateList block entry access

[Thomas Schatzl]

Hi,

On Wed, 2018-05-30 at 16:19 -0400, Kim Barrett wrote:
> Please review this simplification of OopStorage::AllocateList,
> removing the no longer used support for blocks being in multiple
> lists
> simultaneously. There is now only one list of blocks, the
> _allocate_list.
> 
> CR:
> https://bugs.openjdk.java.net/browse/JDK-8204097
> 
> Webrev:
> http://cr.openjdk.java.net/~kbarrett/8204097/open.00/
> 
> Testing:
> Mach5 tier{1,2,3}
> 

  looks good.

Thomas