RFR: 8256867: Classes with empty PermittedSubclasses attribute cannot be extended [v2]

[Harold Seigel]

On Tue, 8 Dec 2020 14:37:52 GMT, Chris Hegarty <chegar 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
>
> src/java.base/share/classes/java/lang/Class.java line 4399:
> 
>> 4397:      * that is {@link #isSealed()} returns {@code false}, then this method returns {@code null}.
>> 4398:      * Conversely, if {@link #isSealed()} returns {@code true}, then this method
>> 4399:      * returns a non-null value."
> 
> Trivially, the trailing quote can be removed.

Thanks Chris!  I'll remove the trailing quote.

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