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{-# OPTIONS_GHC -w #-}
{-# LANGUAGE ConstrainedClassMethods #-} -- Needed for 'baz'
-- A nasty case that crashed GHC 6.4 with a Lint error;
-- see Note [Multiple instantiation] in GHC.Tc.Gen.Expr
module ShouldCompile where
class C a where
foo :: Eq b => b -> a -> Int
baz :: Eq a => Int -> a -> Int
instance C Int where
baz = foo
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