X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2Ftypecheck%2FTcGenDeriv.lhs;h=6e5aedc83e058d608a8b236b61c317a8dbff5be4;hb=14a496fd0b3aa821b69eb02736d5f41086576761;hp=36766717729ee599bfa083721d432fd25adbd303;hpb=2fc5aa708982a414235d3aff68dea4329b546063;p=ghc-hetmet.git

diff --git a/compiler/typecheck/TcGenDeriv.lhs b/compiler/typecheck/TcGenDeriv.lhs
index 3676671..6e5aedc 100644
--- a/compiler/typecheck/TcGenDeriv.lhs
+++ b/compiler/typecheck/TcGenDeriv.lhs
@@ -41,6 +41,7 @@ import Name
 
 import HscTypes
 import PrelInfo
+import MkCore	( eRROR_ID )
 import PrelNames
 import PrimOp
 import SrcLoc
@@ -1667,7 +1668,7 @@ genAuxBind loc (GenCon2Tag tycon)
     rdr_name = con2tag_RDR tycon
 
     sig_ty = HsCoreTy $ 
-             mkForAllTys (tyConTyVars tycon) $
+             mkSigmaTy (tyConTyVars tycon) (tyConStupidTheta tycon) $
              mkParentType tycon `mkFunTy` intPrimTy
 
     lots_of_constructors = tyConFamilySize tycon > 8