Fix type inference for self-recursive functions

tests/compiler/dart2js_extra/regress/4434_test.dart

Index: tests/compiler/dart2js_extra/regress/4434_test.dart
diff --git a/tests/compiler/dart2js_extra/regress/4434_test.dart b/tests/compiler/dart2js_extra/regress/4434_test.dart
index 383ca0f6401a47c8b01154277131208185ae89c0..0fe32948358ee12488e69ae9ebea30bd43ddd597 100644
--- a/tests/compiler/dart2js_extra/regress/4434_test.dart
+++ b/tests/compiler/dart2js_extra/regress/4434_test.dart
@@ -1,3 +1,7 @@
+// Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 #library("lib_b");
 
 #import("4434_lib.dart");