Import rasta tests.

pkg/fasta/test/rasta/malformed_function.dart

Index: pkg/fasta/test/rasta/malformed_function.dart
diff --git a/pkg/fasta/test/rasta/malformed_function.dart b/pkg/fasta/test/rasta/malformed_function.dart
new file mode 100644
index 0000000000000000000000000000000000000000..741004a006bec16f4bd07cabb990bffb193dbf99
--- /dev/null
+++ b/pkg/fasta/test/rasta/malformed_function.dart
@@ -0,0 +1,8 @@
+// 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.
+
+
+main() {
+  (null) = null;
+}