X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=blobdiff_plain;f=compiler%2Fspecialise%2FSpecConstr.lhs;h=8bba247a531dc3a14506c54103b6db4b9d16dd99;hp=78d173140047e3369350d0e540c2e6e3960702e0;hb=a3995529c5dc1e4970b1245764ffd3d51a2db25a;hpb=79326edf58637add0e0913189365ccca72c7f82b

diff --git a/compiler/specialise/SpecConstr.lhs b/compiler/specialise/SpecConstr.lhs
index 78d1731..8bba247 100644
--- a/compiler/specialise/SpecConstr.lhs
+++ b/compiler/specialise/SpecConstr.lhs
@@ -583,10 +583,7 @@ conArgOccs :: ArgOcc -> AltCon -> [ArgOcc]
 
 conArgOccs (ScrutOcc fm) (DataAlt dc) 
   | Just pat_arg_occs <- lookupUFM fm dc
-  = tyvar_unks ++ pat_arg_occs
-  where
-    tyvar_unks | isVanillaDataCon dc = [UnkOcc | tv <- dataConUnivTyVars dc]
-	       | otherwise	     = []
+  = [UnkOcc | tv <- dataConUnivTyVars dc] ++ pat_arg_occs
 
 conArgOccs other con = repeat UnkOcc
 \end{code}