[vector] Fix compiler errors

[Paul Sandoz]

Pushed.

> On Dec 4, 2019, at 1:04 PM, Viswanathan, Sandhya <sandhya.viswanathan at intel.com> wrote:
> 
> Hi Paul,
> 
> Your changes look good to me. Jatin was planning to take a look at fixing MinShort64Test failure.
> 

Ok, thanks,
Paul.

> Best Regards,
> Sandhya
> 
> 
> -----Original Message-----
> From: panama-dev <panama-dev-bounces at openjdk.java.net> On Behalf Of Paul Sandoz
> Sent: Wednesday, December 04, 2019 10:03 AM
> To: panama-dev <panama-dev at openjdk.java.net>
> Subject: [vector] Fix compiler errors
> 
> Fix some compiler errors (warnings as errors) for some logical expressions:
> 
>  http://cr.openjdk.java.net/~psandoz/panama/vector-hs-errors/webrev/ <http://cr.openjdk.java.net/~psandoz/panama/vector-hs-errors/webrev/>
> 
> 
> Separately when running all the tests I observed this single failure on by Mac book:
> 
> test Short64VectorTests.MINShort64VectorTests(short[i * 5]): failure
> java.lang.IndexOutOfBoundsException: Index 1560 out of bounds for length 1557
>        at java.base/jdk.internal.util.Preconditions.outOfBounds(Preconditions.java:64)
>        at java.base/jdk.internal.util.Preconditions.outOfBoundsCheckIndex(Preconditions.java:70)
>        at java.base/jdk.internal.util.Preconditions.checkIndex(Preconditions.java:248)
>        at java.base/java.util.Objects.checkIndex(Objects.java:373)
>        at jdk.incubator.vector/jdk.incubator.vector.VectorIntrinsics.checkFromIndexSize(VectorIntrinsics.java:496)
>        at jdk.incubator.vector/jdk.incubator.vector.ShortVector.fromArray(ShortVector.java:2799)
>        at Short64VectorTests.MINShort64VectorTests(Short64VectorTests.java:2171)
> I have not yet looked more closely as to the cause, but it is a curious one since over tests pass, such as MAXShort64VectorTests(short[i * 5]).
> 
> Paul.
>