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`Ordering` needs to be wired in for use in the built-in `CmpNat` and `CmpSymbol` type families, but somehow it was never added to the list of `wiredInTyCons`, leading to the various oddities observed in #18185. Easily fixed by moving `orderingTyCon` from `basicKnownKeyNames` to `wiredInTyCons`. Fixes #18185.
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