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-- trac #2307
-- This was accepted due to a bug in GHC
{-# LANGUAGE MultiParamTypeClasses, FunctionalDependencies,
OverlappingInstances, UndecidableInstances, IncoherentInstances,
FlexibleInstances #-}
module Foo where
class C a b c | b -> c
instance C Bool Int Float
instance C Char Int Double
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