X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2Ftypecheck%2FTcSplice.lhs;h=455cfa02378a2a0d5265d997f3bbef43aa5546cc;hb=00cc4d8773d1138f7b3b3ac122f3c98a6f93e68a;hp=1d17c4dd85182c54c6b60d97b39e73db94088770;hpb=bb106f283663e9c16a4c72ec9ca57109ae57a0ed;p=ghc-hetmet.git

diff --git a/compiler/typecheck/TcSplice.lhs b/compiler/typecheck/TcSplice.lhs
index 1d17c4d..455cfa0 100644
--- a/compiler/typecheck/TcSplice.lhs
+++ b/compiler/typecheck/TcSplice.lhs
@@ -585,12 +585,10 @@ reifyTyCon tc
   | isFunTyCon tc  = return (TH.PrimTyConI (reifyName tc) 2 		  False)
   | isPrimTyCon tc = return (TH.PrimTyConI (reifyName tc) (tyConArity tc) (isUnLiftedTyCon tc))
   | isSynTyCon tc
-  = case synTyConDefn tc of
-      Nothing         -> noTH SLIT("type family") (ppr tc)
-      Just (tvs, rhs) -> 
-        do { rhs' <- reifyType rhs
-	   ; return (TH.TyConI $ 
-		       TH.TySynD (reifyName tc) (reifyTyVars tvs) rhs') }
+  = do { let (tvs, rhs) = synTyConDefn tc 
+       ; rhs' <- reifyType rhs
+       ; return (TH.TyConI $ 
+		   TH.TySynD (reifyName tc) (reifyTyVars tvs) rhs') }
 
 reifyTyCon tc
   = do 	{ cxt <- reifyCxt (tyConStupidTheta tc)