RFR: 8264734: SA's Address subclasses could use better hashCode() implementation [v2]

[Mitsuru kariya]

On Thu, 29 Apr 2021 10:36:59 GMT, Kevin Walls <kevinw at openjdk.org> wrote:

> If you have time, these could all use the same change?

I have enough time to change them.
May I mix that fix into this pull request?

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

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