test/Spec/ClassDict02.hs:* error:
    Cannot match the expected type (the type of the data constructor of the given class) and the found type (the user-supplied binding).
    Expected type: forall a.
                   Eq a =>
                   (a -> a -> Ordering)
                   -> (a -> a -> Bool)
                   -> (a -> a -> Bool)
                   -> (a -> a -> Bool)
                   -> (a -> a -> Bool)
                   -> (a -> a -> a)
                   -> (a -> a -> a)
                   -> Dict (Ord a)
    Found type:    forall a.
                   Eq a =>
                   (a -> a -> Ordering) -> Dict (Ord a)