RFR: JDK-8283416: Update java.lang.invoke.MethodHandle to use sealed classes

[David Holmes]

On 22/03/2022 4:56 pm, Rémi Forax wrote:
> On Tue, 22 Mar 2022 04:38:15 GMT, ExE Boss <duke at openjdk.java.net> wrote:
> 
>> javac should be changed to allow fully qualified access to private inner classes in the permits clause of an enclosing class.
> 
> This is not how private works, private means accessible between the '{' and the '}' of the class.
> The permits clause is declared outside of the '{' and the '}' of the class, thus a private member class is not visible from the permits clause.

This seems like an oversight in the Sealed classes specification. It 
makes perfect sense to have a sealed class that can only be extended by 
its own nested classes, so you should be able to clearly state that.

David
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> PR: https://git.openjdk.java.net/jdk/pull/7881