| Index: utils/peg/pegparser.dart
 | 
| diff --git a/utils/peg/pegparser.dart b/utils/peg/pegparser.dart
 | 
| index dd49d0aac22579cb4c31ef7b16b0799b74d7868c..13336825e4ae9471b3603830b2d49249ff32b997 100644
 | 
| --- a/utils/peg/pegparser.dart
 | 
| +++ b/utils/peg/pegparser.dart
 | 
| @@ -69,7 +69,7 @@ _Rule CHAR([characters]) {
 | 
|    if (lo == hi)
 | 
|      return CHARCODE(lo);
 | 
|    int len = hi - lo + 1;
 | 
| -  var flags = new List<bool>(len);
 | 
| +  var flags = new List<bool>.fixedLength(len);
 | 
|    for (int i = 0; i < len; ++i)
 | 
|      flags[i] = false;
 | 
|    for (int code in codes)
 | 
| 
 |