RFR (S) 8214972: Uses of klass_holder() except GC need to apply GC barriers

[dean.long at oracle.com]

It looks like we no longer use java_mirror() for is_unsafe_anonymous() 
classes?

dl


On 12/6/18 12:47 PM, coleen.phillimore at oracle.com wrote:
> Summary: Fix klass_holder() and make all callers use it, remove 
> holder_phantom().*
>
> *This removes the confusion about which one to use, except for GC, who 
> has to know.
>
> open webrev at http://cr.openjdk.java.net/~coleenp/8214972.01/webrev
> bug link https://bugs.openjdk.java.net/browse/JDK-8214972
>
> Ran tier1-3 tests.
>
> Thanks,
> Coleen
> **