RFR (T) 8242898: Clean up InstanceKlass::_array_klasses

[David Holmes]

Hi Coleen,

On 29/04/2020 10:11 pm, coleen.phillimore at oracle.com wrote:
> Summary: Use more specific ObjArrayKlass type.
> 
> This avoids some casts.  Tested with tier1-3.
> 
> open webrev at http://cr.openjdk.java.net/~coleenp/2020/8242898.01/webrev
> bug link https://bugs.openjdk.java.net/browse/JDK-8242898

This looks fine to me.

I have to wonder why this was not defined this way all along?

Thanks,
David

> thanks,
> Coleen