Some multidimensional array tests + small tweaks to run them

[Tobias Hartmann]

Hi Roland,

On 18.01.2017 16:44, Roland Westrelin wrote:
> 
> http://cr.openjdk.java.net/~roland/valhalla/multiarray/webrev.00/
> 
> A couple simple tests that only required some small tweaks to the
> compiler code.

Looks good to me!

Thanks,
Tobias

> 
> Roland.
>