cmpAltCon :: AltCon -> AltCon -> Ordering
-- ^ Compares 'AltCon's within a single list of alternatives
cmpAltCon DEFAULT      DEFAULT     = EQ
cmpAltCon :: AltCon -> AltCon -> Ordering
cmpAltCon DEFAULT      DEFAULT     = EQ
cmpAltCon DEFAULT      DEFAULT     = EQ