Compile Time Constants cycle check

tests/language/src/CTConst4Test.dart

Index: tests/language/src/CTConst4Test.dart
diff --git a/tests/language/src/CTConst4Test.dart b/tests/language/src/CTConst4Test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..dae8b1180067dccd5e0e289d3d1e90cfb8a8b251
--- /dev/null
+++ b/tests/language/src/CTConst4Test.dart
@@ -0,0 +1,13 @@
+// Copyright (c) 2011, 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.
+// Check compile-time constant library references with prefixes
+
+#import("CTConst4Lib.dart", prefix:"mylib");
+
+final A = mylib.B;
+
+main() {
+  Expect.equals(1, A);
+}
+