Correctly close done future with an error, before a normal complete can happen.

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([String address = "127.0.0.1",
                                                    int port = 0,
                                                    int backlog = 0]) {
     return _RawServerSocket.bind(address, port, backlog);
   }
@@ skipping 884 matching lines @@
     _raw.writeEventsEnabled = true;
   }
 
   void _disableWriteEvent() {
     if (_raw != null) {
       _raw.writeEventsEnabled = false;
     }
   }
 
   void _consumerDone([error]) {
+    _done(error);
     if (_raw != null) {
       _raw.shutdown(SocketDirection.SEND);
       _disableWriteEvent();
     }
-    _done(error);
   }
 }
 
 
 class _SecureSocket extends _Socket implements SecureSocket {
   _SecureSocket(RawSecureSocket raw) : super(raw);
 
   void set onBadCertificate(bool callback(X509Certificate certificate)) {
     if (_raw == null) {
       throw new StateError("onBadCertificate called on destroyed SecureSocket");
     }
     _raw.onBadCertificate = callback;
   }
 
   X509Certificate get peerCertificate {
     if (_raw == null) {
      throw new StateError("peerCertificate called on destroyed SecureSocket");
     }
     return _raw.peerCertificate;
   }
 }