[code-reflection] RFR: Switch lowering fixes [v2]

[Adam Sotona]

On Mon, 5 Jan 2026 16:04:12 GMT, Adam Sotona <asotona at openjdk.org> wrote:

>> should the labels be primitives as as well ?
>
> This lowering is still far from the javac lowering of switch statements and expressions and there are many places to improve. These fixes cover only failures of the current unreflected tests.

BTW: Labels are evaluated, so they are not sensitive to (un)boxing.

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PR Review Comment: https://git.openjdk.org/babylon/pull/804#discussion_r2662058719