RFR (S) 8250844: Make sure {type, obj}ArrayOopDesc accessors check the bounds

[coleen.phillimore at oracle.com]

I like this change a lot!  I'm surprised but relieved that it didn't 
find any existing bugs.
LGTM!
Coleen

On 7/31/20 8:53 AM, Aleksey Shipilev wrote:
> On 7/31/20 1:37 PM, Reingruber, Richard wrote:
>> Well, I reckon your fix is a good and balanced solution.
> Yeah. Thanks for review!
>
> Anyone else?
>