RFR: 8285690: CloneableReference subtest should not throw CloneNotSupportedException [v2]

[Kim Barrett]

On Wed, 27 Apr 2022 15:32:35 GMT, Roger Riggs <rriggs at openjdk.org> wrote:

>> Kim Barrett has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   update copyright, @bug list
>
> LGTM

Thanks for reviews @RogerRiggs and @mlchung

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PR: https://git.openjdk.java.net/jdk/pull/8418