IndexOutOfBoundsException with unset mask lanes

[Joshua Zhu (Arm Technology China)]

Hi,

Any feedback? Please let me know if any comments for this patch.
Thanks.

Best Regards,
Joshua

> Please help review this change.
> Webrev: http://cr.openjdk.java.net/~jzhu/vectorapi/OOB-fix.webrev.00/
> 
> This patch is used to fix IndexOutOfBoundsException for
> fromArray/intoArray/gather/scatter API with unset mask lanes.
> Also enable exception testing.
> To align with API doc, IndexOutOfBoundsException should only be thrown
> for any illegal vector lane index where the mask at lane is set.
> 
> This patch has been verified by testing.