Ensure locations are always provided, but don't store them yet.

pkg/front_end/lib/src/fasta/builder/invalid_type_builder.dart

Index: pkg/front_end/lib/src/fasta/builder/invalid_type_builder.dart
diff --git a/pkg/front_end/lib/src/fasta/builder/invalid_type_builder.dart b/pkg/front_end/lib/src/fasta/builder/invalid_type_builder.dart
index 77f10fedf8a28bcc177d8c9d2ea7bc13a7f14ced..0a8ae7cb09ef2d9cf2404459895fdab998b64a7f 100644
--- a/pkg/front_end/lib/src/fasta/builder/invalid_type_builder.dart
+++ b/pkg/front_end/lib/src/fasta/builder/invalid_type_builder.dart
@@ -11,6 +11,6 @@ import 'builder.dart' show
 
 abstract class InvalidTypeBuilder<T extends TypeBuilder, R>
     extends TypeDeclarationBuilder<T, R> {
-  InvalidTypeBuilder(String name, Builder parent)
-      : super(null, 0, name, null, parent);
+  InvalidTypeBuilder(String name, Builder parent, int charOffset, [Uri fileUri])
+      : super(null, 0, name, null, parent, charOffset, fileUri);
 }