[vector] Replace IllegalArgumentE with UnsupportedOE for zero arg methods

[Paul Sandoz]

Ah, LaneType.SHORT.asFloating() throws, but its an IAE not UOE, I fixed that, added a comment, added some tests for the viewAs methods:

  http://cr.openjdk.java.net/~psandoz/panama/vector-ise-to-uoe/webrev/ <http://cr.openjdk.java.net/~psandoz/panama/vector-ise-to-uoe/webrev/>

Paul.

> On May 7, 2020, at 11:11 AM, Viswanathan, Sandhya <sandhya.viswanathan at intel.com> wrote:
> 
> Hi Paul,
> 
> Changes look good. Only one question below:
> 
> For ByteVector.java and ShortVector.java, the method viewAsFloatingLanes is throwing AssertionError and not UnsupportedOperationException:
> 
>     viewAsFloatingLanes() {
>         LaneType flt = LaneType.SHORT.asFloating();
>         throw new AssertionError();  // should already throw IAE
>     }
> 
> Best Regards,
> Sandhya
> 
> -----Original Message-----
> From: panama-dev <panama-dev-bounces at openjdk.java.net> On Behalf Of Paul Sandoz
> Sent: Wednesday, May 06, 2020 5:22 PM
> To: panama-dev at openjdk.java.net' <panama-dev at openjdk.java.net>
> Subject: [vector] Replace IllegalArgumentE with UnsupportedOE for zero arg methods
> 
> Hi,
> 
> Please review the following change replacing IllegalArgumentException with UnsupportedOperationException for some methods that accept zero args:
> 
>  http://cr.openjdk.java.net/~psandoz/panama/vector-ise-to-uoe/webrev/ <http://cr.openjdk.java.net/~psandoz/panama/vector-ise-to-uoe/webrev/>
> 
> This change is in response to reviews in preparation for integration into jdk/jdk.
> 
> Paul.