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-- Test we don't get a cycle for "phantom" superclasses,
-- even if the phantomness is behind a type synonym
{-# LANGUAGE ConstraintKinds, MultiParamTypeClasses, FlexibleContexts #-}
{-# LANGUAGE AllowAmbiguousTypes #-}
-- 'meth' is ambiguous
module TcOK where
class A ctxt c where
meth :: ctxt => c -> c
type Bish = B Int
class A Bish c => B c where
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