Some use of the new @static-clean and /// annotations in shared tests

tests/language/src/DefaultImplementation2Test.dart

Index: tests/language/src/DefaultImplementation2Test.dart
diff --git a/tests/language/src/DefaultImplementation2Test.dart b/tests/language/src/DefaultImplementation2Test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..e979d90de06e480cc2a09ace2acf9da2fc82fdc0
--- /dev/null
+++ b/tests/language/src/DefaultImplementation2Test.dart
@@ -0,0 +1,16 @@
+// Copyright (c) 2012, 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.
+// Dart test to verify incompatible constructor types
+
+interface Point default PointImplementation {
+  Point(x, y);
+}
+
+class PointImplementation implements Point {
+   PointImplementation(int x, int y) {} /// static type error
+}
+
+main() {
+  new Point(1, 2);
+}