patch applied (ghc-6.6/ghc): Instantiate data constructor type variables with the type constructor type variables in constraints for derived class instances. Fixes instance deriving for GADTs which declar H98 types, closing ticket #902.

Sun, 24 Sep 2006 10:27:26 -0700 

Fri Sep 15 16:33:15 PDT 2006  [EMAIL PROTECTED]
  * Instantiate data constructor type variables with the type constructor type 
variables in constraints for derived class instances. Fixes instance deriving 
for GADTs which declar H98 types, closing ticket #902.

    M ./compiler/typecheck/TcDeriv.lhs -3 +3
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