# 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 a stored instance tearoff with optional positional parameter
  // changes behavior when updated

  class C {
    m([a ='a']) {
  <<<< ["closure is null","v1", "v1"]
    print('v1');
  ==== ["v2", "v2"]
    print('v2');
  >>>>
    }
  }
  var closure;
  main() {
    if (closure == null) {
      print('closure is null');
      closure = new C().m;
    }
    closure('b');
    closure();
  }