RFR: 8256867: Classes with empty PermittedSubclasses attribute cannot be extended [v3]

[Harold Seigel]

On Tue, 8 Dec 2020 18:24:21 GMT, Mandy Chung <mchung at openjdk.org> wrote:

>> Harold Seigel has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   8256867: Classes with empty PermittedSubclasses attribute cannot be extended
>
> Marked as reviewed by mchung (Reviewer).

Thanks Mandy, Chris, Lois, and Jan for reviewing this change.
Harold

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PR: https://git.openjdk.java.net/jdk/pull/1675