text: // Copyright 2013 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: --track-fields --track-double-fields --allow-natives-syntax
  // Flags: --parallel-recompilation --parallel-recompilation-delay=50
  
  if (!%IsParallelRecompilationSupported()) {
    print("Parallel recompilation is disabled. Skipping this test.");
    quit();
  }
  
  function assertUnoptimized(fun) {
    assertTrue(%GetOptimizationStatus(fun) != 1);
  }
  
  function new_object() {
    var o = {};
    o.a = 1;
    o.b = 2;
    return o;
  }
  
  function add_field(obj) {
    obj.c = 3;
  }
  
  add_field(new_object());
  add_field(new_object());
  %OptimizeFunctionOnNextCall(add_field, "parallel");
  
  var o = new_object();
  add_field(o);                      // Trigger optimization.
  assertUnoptimized(add_field);      // Not yet optimized.
  o.c = 2.2;                         // Invalidate transition map.
  %CompleteOptimization(add_field);  // Conclude optimization with...
  assertUnoptimized(add_field);      // ... bailing out due to map dependency.
  
  