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

[Mourad Abbay]

On Mon, 5 Jan 2026 15:52:23 GMT, Adam Sotona <asotona at openjdk.org> wrote:

>> `ConstantLabelSwitchOp` represents `tableswitch` and `lookupswitch` bytecode instructions and they accept only primitive int and its sub-types.
>
> I found wrongly unboxing `Character` - will fix it.

should the labels be primitives as as well ?

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PR Review Comment: https://git.openjdk.org/babylon/pull/804#discussion_r2661996729