fixes #131, use before define from variables to classes

test/codegen/misc.dart

Index: test/codegen/misc.dart
diff --git a/test/codegen/misc.dart b/test/codegen/misc.dart
index cc83f8bcf9770783f4938a28b5fccd5fd8563d1b..8081cce4421a692abb240ca956eecd267cfa1831 100644
--- a/test/codegen/misc.dart
+++ b/test/codegen/misc.dart
@@ -2,7 +2,13 @@
 // 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.
 
+
+// Codegen dependency order test
+const UNINITIALIZED = const _Uninitialized();
+class _Uninitialized { const _Uninitialized(); }
+
 main() {
+  // Number literals in call expressions.
   print(1.toString());
   print(1.0.toString());
   print(1.1.toString());