eqIfOcc :: EqEnv -> FastString -> FastString -> IfaceEq
eqIfOcc env n1 n2 = case lookupUFM env n1 of
Just n1 -> bool (n1 == n2)
- Nothing -> bool (n1 == n2)
+ Nothing -> bool (show n1 == show n2)
extendEqEnv :: EqEnv -> FastString -> FastString -> EqEnv
extendEqEnv env n1 n2 | n1 == n2 = env