pkg/front_end/testcases/extension_types/const_constructor_body.dart

// Copyright (c) 2023, the Dart project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

extension type ET(int i) {
  const ET.named(this.i) /* Error */ {
    print(i);
  }
}