RFR: 8298177: Various java.lang.invoke cleanups [v4]

Wed Dec 7 15:38:24 UTC 2022

On Wed, 7 Dec 2022 14:08:28 GMT, Claes Redestad <redestad at openjdk.org> wrote:

>> Various code cleanups around java.lang.invoke code. Started out with dead code removal in `jli.MemberName`, then piled on to fix a set of minor inefficiencies (excessive vararg array allocations, unnecessary defensive cloning of parameter arrays etc).
>
> Claes Redestad has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Cleanup more unused imports. Further code removals.

Ran through tier1+2 and all java.lang.invoke tests locally without surprises

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PR: https://git.openjdk.org/jdk/pull/11540