[lworld] RFR: 8288131: [lworld] Implement javac flag -XDenablePrimitiveClasses [v8]

[Vicente Romero]

On Fri, 23 Sep 2022 02:41:42 GMT, Vicente Romero <vromero at openjdk.org> wrote:

>> Primitive classes support should be opted in using a compiler option
>
> Vicente Romero has updated the pull request incrementally with one additional commit since the last revision:
> 
>   fixing test RedefinePrimitive

thanks for the review

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PR: https://git.openjdk.org/valhalla/pull/758