Change core lib, dart2js, and more for new optional parameters syntax

pkg/intl/lib/src/date_format_helpers.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.
 
 /**
  * A class for holding onto the data for a date so that it can be built
  * up incrementally.
  */
 class _DateBuilder {
   // Default the date values to the EPOCH so that there's a valid date
@@ skipping 18 matching lines @@
   void setSecond(x) { second = x; }
   void setFractionalSecond(x) { fractionalSecond = x; }
 
   /**
    * Return a date built using our values. If no date portion is set,
    * use the "Epoch" of January 1, 1970.
    */
   Date asDate() {
     // TODO(alanknight): Validate the date, especially for things which
     // can crash the VM, e.g. large month values.
-    return new Date(
-        year,
-        month,
-        day,
-        pm ? hour + 12 : hour,
-        minute,
-        second,
-        fractionalSecond,
-        utc);
+    if (utc) {
+      return new Date.utc(
+          year,
+          month,
+          day,
+          pm ? hour + 12 : hour,
+          minute,
+          second,
+          fractionalSecond);
+    } else {
+      return new Date(
+          year,
+          month,
+          day,
+          pm ? hour + 12 : hour,
+          minute,
+          second,
+          fractionalSecond);
+    }
   }
 }
 
 /**
  * A simple and not particularly general stream class to make parsing
  * dates from strings simpler. It is general enough to operate on either
  * lists or strings.
  */
 class _Stream {
   var contents;
@@ skipping 63 matching lines @@
    * can see and then return the corresponding integer. Advance the stream.
    */
   var digitMatcher = const RegExp(r'\d+');
   int nextInteger() {
     var string = digitMatcher.stringMatch(rest());
     if (string == null || string.isEmpty()) return null;
     read(string.length);
     return int.parse(string);
   }
 }