Reland "Enable map dependency to in-flight compilation info."

test/mjsunit/parallel-invalidate-transition-map.js

-// Copyright 2012 the V8 project authors. All rights reserved.
+// 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: --allow-natives-syntax --expose-gc --parallel-recompilation
+// Flags: --track-fields --track-double-fields --allow-natives-syntax
+// Flags: --parallel-recompilation --parallel-recompilation-delay=50
 
 function assertUnoptimized(fun) {
   assertTrue(%GetOptimizationStatus(fun) != 1);
 }
 
-function f(x) {
-  var xx = x * x;
-  var xxstr = xx.toString();
-  return xxstr.length;
+function new_object() {
+  var o = {};
+  o.a = 1;
+  o.b = 2;
+  return o;
 }
 
-function g(x) {
-  var xxx = Math.sqrt(x) | 0;
-  var xxxstr = xxx.toString();
-  return xxxstr.length;
+function add_field(obj) {
+  obj.c = 3;
 }
 
-function k(x) {
-  return x * x;
-}
+add_field(new_object());
+add_field(new_object());
+%OptimizeFunctionOnNextCall(add_field, "parallel");
 
-f(g(1));
-assertUnoptimized(f);
-assertUnoptimized(g);
+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.
 
-%OptimizeFunctionOnNextCall(f, "parallel");
-%OptimizeFunctionOnNextCall(g, "parallel");
-f(g(2));
-
-assertUnoptimized(f);
-assertUnoptimized(g);
-
-%WaitUntilOptimized(f);
-%WaitUntilOptimized(g);