blob: add1f73590fdc47aaf8ab720d042c0963a52e7a5 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
|
{-# OPTIONS_GHC -XDeriveDataTypeable #-}
-- #1935
-- See Note [Superclasses of derived instance] in TcDeriv
{-# OPTIONS -fno-warn-redundant-constraints #-}
module Foo where
import Data.Data
data Foo a = Foo
deriving (Data, Typeable)
data T a = MkT (S a) deriving( Ord )
instance Num a => Eq (T a)
data S a = S
instance Eq (S a)
instance Ord (S a)
|
