-- Invariant:
-- * tv not in tvs(xi) (occurs check)
-- * If constraint is given then typeKind xi == typeKind tv
- -- See Note [Spontaneous solving and kind compatibility]
+ -- See Note [Spontaneous solving and kind compatibility]
+ -- in TcInteract
cc_id :: EvVar,
cc_flavor :: CtFlavor,
cc_tyvar :: TcTyVar,