interceptedNames should include all interceptor method generated, not just the ones called.

dart/tests/lib/mirrors/is_odd_test.dart

Index: dart/tests/lib/mirrors/is_odd_test.dart
diff --git a/dart/tests/lib/mirrors/is_odd_test.dart b/dart/tests/lib/mirrors/is_odd_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..c9fdde151b06f0bff454a2f3bf1e83f8334da9ea
--- /dev/null
+++ b/dart/tests/lib/mirrors/is_odd_test.dart
@@ -0,0 +1,16 @@
+// Copyright (c) 2013, 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.
+
+/// Test that otherwise unused intercepted methods are reified correctly.  This
+/// was a bug in dart2js.
+library test.is_odd_test;
+
+import 'dart:mirrors';
+
+import 'package:expect/expect.dart';
+
+main() {
+  Expect.isTrue(reflect(1).getField(new Symbol('isOdd')).reflectee);
+  Expect.isFalse(reflect(2).getField(new Symbol('isOdd')).reflectee);
+}