[code-reflection] RFR: Update the model of pattern matching when pattern variable identifier is underscore [v6]

[Mourad Abbay]

On Mon, 16 Sep 2024 17:10:51 GMT, Paul Sandoz <psandoz at openjdk.org> wrote:

>> The compiler code may pass an empty string for the name of the Var, e.g. unnamed pattern variable.
>
> I think we should address that. Up to you if you wanna fix that in this PR or do it in a follow on PR.

I think it's better to address it in a follow PR.

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PR Review Comment: https://git.openjdk.org/babylon/pull/227#discussion_r1762183471