-lookupSigOccRn :: Maybe NameSet -> Sig RdrName -> Located RdrName -> RnM (Located Name)
-lookupSigOccRn mb_names sig (L loc v)
+lookupSigLocOccRn :: Maybe NameSet -> Sig RdrName -> Located RdrName -> RnM (Located Name)
+lookupSigLocOccRn mb_names sig = wrapLocM (lookupSigOccRn mb_names sig)
+
+lookupSigOccRn :: Maybe NameSet -> Sig RdrName -> RdrName -> RnM Name
+lookupSigOccRn mb_names sig v