RFR (S) 8196199: Remove miscellaneous oop comparison operators

[Lois Foltan]

On 1/30/2018 5:58 PM, coleen.phillimore at oracle.com wrote:

> CheckUnhandledOops had defined some oop comparison operators that will 
> have to be rewritten for new GCs.   Kim Barrett did most of this 
> change. See CR for more info.

Looks good!  Just curious did you build and test the VM with 
CheckUnhandledOops defined and without?
Thanks,
Lois

>
> Tested with JPRT (using currently supported GCs) tier1 and locally.
>
> open webrev at http://cr.openjdk.java.net/~coleenp/8196199.01/webrev
> bug link https://bugs.openjdk.java.net/browse/JDK-8196199
>
> Thanks,
> Coleen