Import rasta tests.

pkg/fasta/test/rasta/issue_000039.dart

Index: pkg/fasta/test/rasta/issue_000039.dart
diff --git a/pkg/fasta/test/rasta/issue_000039.dart b/pkg/fasta/test/rasta/issue_000039.dart
new file mode 100644
index 0000000000000000000000000000000000000000..f9a8f858aebf0b4066d66e7ba7a9a9bd1c9ce36c
--- /dev/null
+++ b/pkg/fasta/test/rasta/issue_000039.dart
@@ -0,0 +1,14 @@
+// Copyright (c) 2016, 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.md file.
+
+class A {
+  var a;
+
+  A(x) {
+    this.a = x.
+  }
+}
+
+class B extends A {
+}