RFR: 8264734: Some SA classes could use better hashCode() implementation [v3]

[Kevin Walls]

On Sun, 2 May 2021 16:07:26 GMT, Mitsuru kariya <github.com+2217224+kariya-mitsuru at openjdk.org> wrote:

>> The current `hashCode` implementation of SA's Address subclasses ignores the upper 32 bits of the long value.
>> This PR changes to use `Long.hashCode` instead.
>
> Mitsuru kariya has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Add some more SA's classes

No problem.  I updated the JBS title to match this.  I think the warning about title mismatch has gone.

-------------

PR: https://git.openjdk.java.net/jdk/pull/3522