[ImportVerilog] DefParam type mismatch after Slang bump
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Since Aug 6, 2026.
ImportVerilog
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Description
#10634 bumped Slang to v11, which revealed an interesting new failure mode of `defparam` and `parameter`, where a parameter can be declared as `logic` type, but then overridden with a `real` value, leading to a conversion failure in ImportVerilog.
https://github.com/llvm/circt/pull/10634#issuecomment-4717269414
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