Import rasta tests.

pkg/fasta/test/rasta/bad_explicit_super_constructor.dart

Index: pkg/fasta/test/rasta/bad_explicit_super_constructor.dart
diff --git a/pkg/fasta/test/rasta/bad_explicit_super_constructor.dart b/pkg/fasta/test/rasta/bad_explicit_super_constructor.dart
new file mode 100644
index 0000000000000000000000000000000000000000..2936518f56f2e6b40eaca88e55023526bd32248f
--- /dev/null
+++ b/pkg/fasta/test/rasta/bad_explicit_super_constructor.dart
@@ -0,0 +1,16 @@
+// 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 {
+  A(x);
+}
+
+class B extends A {
+  const B() : super();
+}
+
+main() {
+  new B();
+  const B();
+}