X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=blobdiff_plain;f=compiler%2Ftypecheck%2FTcHsSyn.lhs;h=9411a3a2432dcabc67923d9928aef8256138f807;hp=37361842d7bcaa4d24b3814ef4b7fe341868cafd;hb=ff8e1d01524b48e028b09e2b04b2e5303cb6d95f;hpb=86bec4298d582ef1d8f0a201d6a81145e1be9498

diff --git a/compiler/typecheck/TcHsSyn.lhs b/compiler/typecheck/TcHsSyn.lhs
index 3736184..9411a3a 100644
--- a/compiler/typecheck/TcHsSyn.lhs
+++ b/compiler/typecheck/TcHsSyn.lhs
@@ -463,12 +463,12 @@ zonkExpr env (RecordCon data_con con_expr rbinds)
     zonkRbinds env rbinds	`thenM` \ new_rbinds ->
     returnM (RecordCon data_con new_con_expr new_rbinds)
 
-zonkExpr env (RecordUpd expr rbinds in_ty out_ty)
-  = zonkLExpr env expr		`thenM` \ new_expr ->
-    zonkTcTypeToType env in_ty	`thenM` \ new_in_ty ->
-    zonkTcTypeToType env out_ty	`thenM` \ new_out_ty ->
-    zonkRbinds env rbinds	`thenM` \ new_rbinds ->
-    returnM (RecordUpd new_expr new_rbinds new_in_ty new_out_ty)
+zonkExpr env (RecordUpd expr rbinds cons in_tys out_tys)
+  = zonkLExpr env expr			`thenM` \ new_expr ->
+    mapM (zonkTcTypeToType env) in_tys	`thenM` \ new_in_tys ->
+    mapM (zonkTcTypeToType env) out_tys	`thenM` \ new_out_tys ->
+    zonkRbinds env rbinds		`thenM` \ new_rbinds ->
+    returnM (RecordUpd new_expr new_rbinds cons new_in_tys new_out_tys)
 
 zonkExpr env (ExprWithTySigOut e ty) 
   = do { e' <- zonkLExpr env e