Add fuzz test for reflective invocation.

tests/lib/mirrors/invoke_natives_malicious_test.dart

+// Copyright (c) 2014, 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.
+
+library test.invoke_natives;
+
+import 'dart:mirrors';
+import 'package:expect/expect.dart';
+
+test(name, action) {
+  print(name);
+  Expect.throws(action, (e)=>true, name);
+  print("done");
+}
+
+main() {
+  LibraryMirror dartcore = reflectClass(Object).owner;
+
+  test('List_copyFromObjectArray', () {
+    var receiver = new List(3);
+    var selector = MirrorSystem.getSymbol('_copyFromObjectArray', dartcore);
+    var src = new List(3);
+    var srcStart = 10;
+    var dstStart = 10;
+    var count = 10;
+    reflect(receiver).invoke(selector, [src, srcStart, dstStart, count]);
+  });
+}