Propagate errors correctly in Socket.connect

runtime/bin/socket_patch.dart

 // Copyright (c) 2013, 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.
 
 @patch class RawServerSocket {
   @patch static Future<RawServerSocket> bind(address,
                                                   int port,
                                                   {int backlog: 0,
                                                    bool v6Only: false,
                                                    bool shared: false}) {
@@ skipping 431 matching lines @@
                 if (errorCode != null && socket.isBindError(errorCode)) {
                   error = createError(result, "Bind failed", sourceAddress);
                 } else {
                   error =
                       createError(result, "Connection failed", address, port);
                 }
               }
               connectNext();
             } else {
               // Query the local port, for error messages.
-              socket.port;
+              try {
+                socket.port;
+              } catch (e) {
+                error = createError(e, "Connection failed", address, port);
+                connectNext();
+              }
               // Set up timer for when we should retry the next address
               // (if any).
               var duration = address.isLoopback ?
                   _RETRY_DURATION_LOOPBACK :
                   _RETRY_DURATION;
               var timer = new Timer(duration, connectNext);
               setupResourceInfo(socket);
 
               connecting[socket] = timer;
               // Setup handlers for receiving the first write event which
@@ skipping 1409 matching lines @@
 Datagram _makeDatagram(List<int> data,
                        String address,
                        List<int> in_addr,
                        int port) {
   return new Datagram(
       data,
       new _InternetAddress(address, null, in_addr),
       port);
 }