# 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 source maps don't throw exceptions

  main() {
    print('a');
  <<<< "a"
  ==== ["a","b","c"]
    print('b');
    print('c');
  >>>>
  }
