Import rasta tests.

pkg/fasta/test/rasta/super_operator.dart

Index: pkg/fasta/test/rasta/super_operator.dart
diff --git a/pkg/fasta/test/rasta/super_operator.dart b/pkg/fasta/test/rasta/super_operator.dart
new file mode 100644
index 0000000000000000000000000000000000000000..05fa6cd155f768b45fb1c95dbd60e85697c95217
--- /dev/null
+++ b/pkg/fasta/test/rasta/super_operator.dart
@@ -0,0 +1,23 @@
+// 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 {
+  operator + (String s) => null;
+
+  operator [] (i) => null;
+
+  operator []= (i, val) {}
+}
+
+class B extends A {
+  operator + (String s) => super + ("${s}${s}");
+
+  operator [] (i) => super[i];
+
+  operator []= (i, val) => super[i++] += val;
+}
+
+class Autobianchi {
+  g() => super[0];
+}