RFR: 8302513: remove sun.awt.util.IdentityLinkedList [v3]

[Phil Race]

On Fri, 10 Mar 2023 01:16:01 GMT, Stuart Marks <smarks at openjdk.org> wrote:

>> IdentityLinkedList is used in only one place, so it's fairly simple to replace it with IdentityArrayList.
>
> Stuart Marks has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains three additional commits since the last revision:
> 
>  - Merge branch 'master' into JDK-8302513-remove-IdentityLinkedList
>  - Merge branch 'master' into JDK-8302513-remove-IdentityLinkedList
>  - Replace IdentityLinkedList with IdentityArrayList.

Marked as reviewed by prr (Reviewer).

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PR: https://git.openjdk.org/jdk/pull/12567