Fix for issue 24243 (allow objects of dart:core and dart:collections to be passed in for now, we ne…

tests/isolate/issue_24243_child3_isolate.dart

+// Copyright (c) 2015, 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.
+
+import 'dart:collection';
+import 'dart:isolate';
+
+main(List<String> args, message) {
+  var sendPort = message;
+  try {
+    var map0 = new LinkedHashMap<int, String>();
+    map0[1] = 'one';
+    map0[2] = 'two';
+    map0[3] = 'three';
+    var map1 = new LinkedHashMap<int, String>();
+    map1[4] = 'four';
+    map1[5] = 'five';
+    map1[6] = 'size';
+    var map2 = new LinkedHashMap<int, String>();
+    map2[7] = 'seven';
+    map2[8] = 'eight';
+    map2[9] = 'nine';
+
+    var map = new Map<int, LinkedHashMap<int, String>>.from(
+        { 0:map0, 1:map1, 2:map2 });
+    sendPort.send(map);
+  } catch(error) {
+    sendPort.send("Invalid Argument(s).");
+  }
+}