X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=blobdiff_plain;f=compiler%2Fiface%2FTcIface.lhs;h=8dccc72b376341e9afbe39ac11d2ed83ae92c4d8;hp=c880a8a2a9239b2d84fbfdca0fd75130b055b3f0;hb=3e0a7b9fbc16e432efa562df027d189fa274943a;hpb=db0c13a482893243cc829bbc253862e65f437cbe

diff --git a/compiler/iface/TcIface.lhs b/compiler/iface/TcIface.lhs
index c880a8a..8dccc72 100644
--- a/compiler/iface/TcIface.lhs
+++ b/compiler/iface/TcIface.lhs
@@ -989,7 +989,7 @@ tcIdDetails _  IfVanillaId = return VanillaId
 tcIdDetails ty (IfDFunId ns)
   = return (DFunId ns (isNewTyCon (classTyCon cls)))
   where
-    (_, cls, _) = tcSplitDFunTy ty
+    (_, _, cls, _) = tcSplitDFunTy ty
 
 tcIdDetails _ (IfRecSelId tc naughty)
   = do { tc' <- tcIfaceTyCon tc