RFR: JDK-8310913 Move ReferencedKeyMap to jdk.internal so it may be shared [v3]

[Jim Laskey]

On Fri, 30 Jun 2023 17:29:20 GMT, Mandy Chung <mchung at openjdk.org> wrote:

>> Jim Laskey has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Update to use VirtualThread friendly stale queue.
>
> src/java.base/share/classes/java/lang/invoke/MethodType.java line 899:
> 
>> 897:             return equals(mt);
>> 898:         }
>> 899:         if (x instanceof ConcurrentWeakInternSet.WeakEntry<?> e
> 
> The comment above about `WeakEntry` should also be removed.

Will update

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PR Review Comment: https://git.openjdk.org/jdk/pull/14684#discussion_r1251985524