Add named constructor name checking

runtime/bin/process.dart

 // Copyright (c) 2012, 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.
 
 /** Exit the Dart VM process with the given [status] code. */
 void exit(int status) {
   if (status is !int) {
     throw new IllegalArgumentException("int status expected");
   }
   _exit(status);
@@ skipping 15 matching lines @@
    * When the process has been successfully started [onStart] is
    * called on the returned Process object. If the process fails to
    * start [onError] is called on the returned Process object.
    *
    * No data can be written to the process stdin and the process
    * cannot be closed nor killed before [onStart] has been invoked.
    */
   static Process start(String executable,
                        List<String> arguments,
                        [ProcessOptions options]) {
-    return _Process.start(executable, arguments, options);
+    return new _Process.start(executable, arguments, options);
   }
 
   /**
    * Starts a process and runs it non-interactively to completion. The
    * process run is [executable] with the specified [arguments].
    *
    * An optional [ProcessOptions] object can be passed to specify
    * options other than the executable and the arguments.
    *
    * Returns a [:Future<ProcessResult>:] that completes with the
@@ skipping 188 matching lines @@
   /**
    * Contains the system message for the process exception if any.
    */
   final String message;
 
   /**
    * Contains the OS error code for the process exception if any.
    */
   final int errorCode;
 }