text: // Copyright 2010 the V8 project authors. All rights reserved.
  // Redistribution and use in source and binary forms, with or without
  // modification, are permitted provided that the following conditions are
  // met:
  //
  //     * Redistributions of source code must retain the above copyright
  //       notice, this list of conditions and the following disclaimer.
  //     * Redistributions in binary form must reproduce the above
  //       copyright notice, this list of conditions and the following
  //       disclaimer in the documentation and/or other materials provided
  //       with the distribution.
  //     * Neither the name of Google Inc. nor the names of its
  //       contributors may be used to endorse or promote products derived
  //       from this software without specific prior written permission.
  //
  // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  
  // Flags: --noalways-opt --allow-natives-syntax
  
  Debug = debug.Debug
  
  eval("function ChooseAnimal(p) {\n " +
       "  if (p == 7) {\n" + // Use p
       "    return;\n" +
       "  }\n" +
       "  return function Chooser() {\n" +
       "    return 'Cat';\n" +
       "  };\n" +
       "}\n");
  
  var old_closure = ChooseAnimal(19);
  
  assertEquals("Cat", old_closure());
  
  // We patch innermost function "Chooser".
  // However, this does not actually patch existing "Chooser" instances,
  // because old value of parameter "p" was not saved.
  // Instead it patches ChooseAnimal.
  %LiveEditPatchScript(
      ChooseAnimal, Debug.scriptSource(ChooseAnimal).replace("'Cat'", "'Capybara' + p"));
  
  var new_closure = ChooseAnimal(19);
  // New instance of closure is patched.
  assertEquals("Capybara19", new_closure());
  
  // Old instance of closure is not patched.
  assertEquals("Cat", old_closure());
  