# 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 static methods can have signature changed

  class C {
  <<<< "v1"
    static foo() {
      print('v1');
  ==== "v2"
    static void foo() {
      print('v2');
  >>>>
    }
  }

  main() {
    new C(); // TODO(ahe): Work around dart2js assertion in World.subclassesOf
    C.foo();
  }
