ghc: module version changed to 1; reason: no old .hi file _exports_ ShouldSucceed B(:B :B op2) C(:C :C op1); _instances_ instance _forall_ [a] {B a} => {B [a]} = $dB0; instance _forall_ [a] => {C [a]} = $dC0; _declarations_ 1 $dB0 _:_ _forall_ [a] {B a, C [a]} => {B [a]} ;; 1 $dC0 _:_ _forall_ [a] => {C [a]} ;; 1 class {C a} => B a where {op2 :: a -> a -> a} ; 1 class C a where {op1 :: a -> a} ;