Index: pkg/front_end/lib/src/fasta/builder/interface_type_builder.dart |
diff --git a/pkg/front_end/lib/src/fasta/builder/interface_type_builder.dart b/pkg/front_end/lib/src/fasta/builder/interface_type_builder.dart |
index e0d0311590345ea9b937ea1f0e1ea2a5b91eb388..e4ea4cb18e6b6d6eebf5f2e2d4a5f1def42f1a05 100644 |
--- a/pkg/front_end/lib/src/fasta/builder/interface_type_builder.dart |
+++ b/pkg/front_end/lib/src/fasta/builder/interface_type_builder.dart |
@@ -23,7 +23,7 @@ abstract class InterfaceTypeBuilder<T extends TypeBuilder> extends TypeBuilder { |
TypeDeclarationBuilder get builder; |
- void set builder(TypeDeclarationBuilder b); |
+ void set builder(covariant TypeDeclarationBuilder b); |
InterfaceTypeBuilder(this.name, this.arguments); |