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

[Mitsuru kariya]

On Thu, 29 Apr 2021 04:41:20 GMT, Chris Plummer <cjplummer 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.
>
> @kariya-mitsuru Please enable github actions on your jdk personal fork to enable the pre-submit testing. Start with the following link:
> 
> https://github.com/kariya-mitsuru/jdk/actions
> 
> Click on "Settings" tab and then click on "Actions" from the list of settings (not the "Actions" tab). Then enable "Allow all Actions".

@plummercj Would you please check the changes again?
Also, should I issue the /contributor command?

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