| Index: pkg/front_end/tool/fasta_perf.dart | 
| diff --git a/pkg/front_end/tool/fasta_perf.dart b/pkg/front_end/tool/fasta_perf.dart | 
| index d84834a95c186db02d3e91939c846bdb48d674e1..04174936ede1bb05386b2f61b174d7bded2c0651 100644 | 
| --- a/pkg/front_end/tool/fasta_perf.dart | 
| +++ b/pkg/front_end/tool/fasta_perf.dart | 
| @@ -194,7 +194,8 @@ parseFull(Uri uri, List<int> source) { | 
| // Note: AstBuilder doesn't build compilation-units or classes, only method | 
| // bodies. So this listener is not feature complete. | 
| class _PartialAstBuilder extends AstBuilder { | 
| -  _PartialAstBuilder(Uri uri) : super(null, null, null, null, null, true, uri); | 
| +  _PartialAstBuilder(Uri uri) | 
| +      : super(null, null, null, null, null, true, true, uri); | 
|  | 
| // Note: this method converts the body to kernel, so we skip that here. | 
| @override | 
|  |