Add crashing bug for issue 9602.

tests/language/issue9602_other.dart

Index: tests/language/issue9602_other.dart
diff --git a/tests/language/issue9664_test.dart b/tests/language/issue9602_other.dart
similarity index 68%
copy from tests/language/issue9664_test.dart
copy to tests/language/issue9602_other.dart
index b8b3c2db6b6277c62393bd7e44f03b26292eaf37..a189b7759b4381e2a8a27289c2b7ca318915f85a 100644
--- a/tests/language/issue9664_test.dart
+++ b/tests/language/issue9602_other.dart
@@ -2,8 +2,9 @@
 // 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.
 
-// Regression test for http://dartbug.com/9664
+// Regression test case for http://dartbug.com/9602
+library issue9602_other;
 
-main() {
-  while (true ? true : true) break;
+class M {
+  var _field;
 }