ghc: module version changed to 1; reason: no old .hi file
__export ShouldSucceed B{X Y} T{D C};
instance __forall [b] {PrelBase.Eq b} => {PrelBase.Eq (B b)} = zdfEqB;
instance __forall [a] {PrelBase.Eq a} => {PrelBase.Eq (T a)} = zdfEqT;
1 data B b = X |  Y b ;
1 data T a = D (B a) |  C ;
1 zdfEqB :: __forall [b] {PrelBase.Eq b} => {PrelBase.Eq (B b)} ;
1 zdfEqT :: __forall [a] {PrelBase.Eq a} => {PrelBase.Eq (T a)} ;