Allow AstBuilder to report parse errors.

pkg/front_end/tool/fasta_perf.dart

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 847698119dcdef131a37539cbf1b72a3c02fd20f..d3cf81091f8b0def06b42605e320889aed116db7 100644
--- a/pkg/front_end/tool/fasta_perf.dart
+++ b/pkg/front_end/tool/fasta_perf.dart
@@ -233,7 +233,8 @@ class _EmptyScope extends Scope {
 // 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, new _EmptyScope(), uri);
+  _PartialAstBuilder(Uri uri)
+      : super(null, null, null, null, new _EmptyScope(), uri);
 
   // Note: this method converts the body to kernel, so we skip that here.
   @override