+tcIfaceCtxt sts = mapM (tcIfacePred tcIfaceType) sts
+\end{code}
+
+%************************************************************************
+%* *
+ Coercions
+%* *
+%************************************************************************
+
+\begin{code}
+tcIfaceCo :: IfaceType -> IfL Coercion
+tcIfaceCo (IfaceTyVar n) = mkCoVarCo <$> tcIfaceCoVar n
+tcIfaceCo (IfaceAppTy t1 t2) = mkAppCo <$> tcIfaceCo t1 <*> tcIfaceCo t2
+tcIfaceCo (IfaceFunTy t1 t2) = mkFunCo <$> tcIfaceCo t1 <*> tcIfaceCo t2
+tcIfaceCo (IfaceTyConApp tc ts) = mkTyConAppCo <$> tcIfaceTyCon tc <*> mapM tcIfaceCo ts
+tcIfaceCo (IfaceCoConApp tc ts) = tcIfaceCoApp tc ts
+tcIfaceCo (IfaceForAllTy tv t) = bindIfaceTyVar tv $ \ tv' ->
+ mkForAllCo tv' <$> tcIfaceCo t
+-- tcIfaceCo (IfacePredTy co) = mkPredCo <$> tcIfacePred tcIfaceCo co
+tcIfaceCo (IfacePredTy _) = panic "tcIfaceCo"
+
+tcIfaceCoApp :: IfaceCoCon -> [IfaceType] -> IfL Coercion
+tcIfaceCoApp IfaceReflCo [t] = Refl <$> tcIfaceType t
+tcIfaceCoApp (IfaceCoAx n) ts = AxiomInstCo <$> tcIfaceCoAxiom n <*> mapM tcIfaceCo ts
+tcIfaceCoApp IfaceUnsafeCo [t1,t2] = UnsafeCo <$> tcIfaceType t1 <*> tcIfaceType t2
+tcIfaceCoApp IfaceSymCo [t] = SymCo <$> tcIfaceCo t
+tcIfaceCoApp IfaceTransCo [t1,t2] = TransCo <$> tcIfaceCo t1 <*> tcIfaceCo t2
+tcIfaceCoApp IfaceInstCo [t1,t2] = InstCo <$> tcIfaceCo t1 <*> tcIfaceType t2
+tcIfaceCoApp (IfaceNthCo d) [t] = NthCo d <$> tcIfaceCo t
+tcIfaceCoApp cc ts = pprPanic "toIfaceCoApp" (ppr cc <+> ppr ts)
+
+tcIfaceCoVar :: FastString -> IfL CoVar
+tcIfaceCoVar = tcIfaceLclId