# Copyright (c) 2017, 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.md file.

main.dart.patch: |
  // Test that constants are handled correctly

  class C {
    final String value;
    const C(this.value);
  }

  main() {
  <<<< "v1"
    print(const C('v1').value);
  ==== "v2"
    print(const C('v2').value);
  >>>>
  }
