diff --git a/tests/language/issue9664_test.dart b/tests/language/issue9664_test.dart
new file mode 100644
index 00000000000..b8b3c2db6b6
--- /dev/null
+++ b/tests/language/issue9664_test.dart
@@ -0,0 +1,9 @@
+// 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.
+
+// Regression test for http://dartbug.com/9664
+
+main() {
+  while (true ? true : true) break;
+}
diff --git a/tests/language/language_dart2js.status b/tests/language/language_dart2js.status
index 9f283098902..68028243a2a 100644
--- a/tests/language/language_dart2js.status
+++ b/tests/language/language_dart2js.status
@@ -130,6 +130,8 @@ getter_no_setter_test/01: Fail # http://dartbug.com/5519
 isnot_malformed_type_test/01: Fail # http://dartbug.com/5519
 not_enough_positional_arguments_test/01: Fail # http://dartbug.com/5519
 
+issue9664_test: Crash # http://dartbug.com/9664
+
 constructor_negative_test: Pass # Wrong reason: the expression 'C()' is valid with class literals.
 
 throw_expr_test: Fail