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: --expose-debug-as debug --allow-natives-syntax
  // Flags: --parallel-recompilation-delay=300
  
  if (!%IsParallelRecompilationSupported()) {
    print("Parallel recompilation is disabled. Skipping this test.");
    quit();
  }
  
  Debug = debug.Debug
  
  function foo() {
    var x = 1;
    return x;
  }
  
  function bar() {
    var x = 2;
    return x;
  }
  
  foo();
  // Mark and trigger parallel optimization.
  %OptimizeFunctionOnNextCall(foo, "parallel");
  foo();
  
  // Set break points on an unrelated function. This clears both optimized
  // and (shared) unoptimized code on foo, and sets both to lazy-compile builtin.
  // Clear the break point immediately after to deactivate the debugger.
  Debug.setBreakPoint(bar, 0, 0);
  Debug.clearAllBreakPoints();
  
  // Install optimized code when parallel optimization finishes.
  // This needs to be able to deal with shared code being a builtin.
  assertUnoptimized(foo, "sync");
  
  