RFR: 8170977: SparseArrayData should not grow its underlying dense array data

[Attila Szegedi]

+1

> On 22 Dec 2016, at 16:15, Hannes Wallnöfer <hannes.wallnoefer at oracle.com> wrote:
> 
> Please review:
> 
> Bug: https://bugs.openjdk.java.net/browse/JDK-8170977
> Webrev: http://cr.openjdk.java.net/~hannesw/8170977/webrev/
> 
> With this we keep whatever is already allocated as dense array but do not grow it up to the dense array length limit internally. I also reduced the max dense array length as with 1 million dense elements we still risk to be very wasteful with memory.
> 
> Thanks,
> Hannes