Change new List(n) to return fixed length list.

utils/peg/pegparser.dart

 // Copyright (c) 2011, 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.
 
 library Peg Parser;
 
 /*
  * The following functions are combinators for building Rules.
  *
  * A rule is one of the following
@@ skipping 51 matching lines @@
 
   // Find the range of character codes and construct an array of flags for codes
   // within the range.
   List<int> codes = characters.codeUnits;
   codes.sort((a, b) => a < b ? -1 : a > b ? 1 : 0);
   int lo = codes[0];
   int hi = codes[codes.length - 1];
   if (lo == hi)
     return CHARCODE(lo);
   int len = hi - lo + 1;
-  var flags = new List<bool>.fixedLength(len);
+  var flags = new List<bool>(len);
   for (int i = 0; i < len; ++i)
     flags[i] = false;
   for (int code in codes)
     flags[code - lo] = true;
 
   return CHARCODE((code) => code >= lo && code <= hi && flags[code - lo]);
 }
 
 /**
  * Matches the end of the input.
@@ skipping 766 matching lines @@
   add(s);
   add(t);
   add(u);
   add(v);
   add(w);
   add(x);
   add(y);
   add(z);
   return list;
 }