Run Crankshaft on a separate thread.

test/mjsunit/assert-opt-and-deopt.js

 // Copyright 2011 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
@@ skipping 28 matching lines @@
 
 /**
  * The possible optimization states of a function. Must be in sync with the
  * return values of Runtime_GetOptimizationStatus() in runtime.cc!
  * @enum {int}
  */
 OptTracker.OptimizationState = {
     YES: 1,
     NO: 2,
     ALWAYS: 3,
-    NEVER: 4
+    NEVER: 4,
+    CONCURRENT: 5
 };
 
 /**
  * Always call this at the beginning of your test, once for each function
  * that you later want to track de/optimizations for. It is necessary because
  * tests are sometimes executed several times in a row, and you want to
  * disregard counts from previous runs.
  */
 OptTracker.prototype.CheckpointOptCount = function(func) {
   this.opt_counts_[func] = %GetOptimizationCount(func);
 };
 
 OptTracker.prototype.AssertOptCount = function(func, optcount) {
-  if (this.DisableAsserts_(func)) {
+  if (this.DisableAsserts_(func) ||
+      %GetOptimizationStatus(func) == OptTracker.OptimizationState.CONCURRENT) {
     return;
   }
   assertEquals(optcount, this.GetOptCount_(func));
 };
 
 OptTracker.prototype.AssertDeoptCount = function(func, deopt_count) {
   if (this.DisableAsserts_(func)) {
     return;
   }
+
+  // We can't assert much about a functions opt and deopt behavior if
+  // it is being optimized on a separate thread.
+  if (%GetOptimizationStatus(func) ==
+      OptTracker.OptimizationState.CONCURRENT)
+    return;
   assertEquals(deopt_count, this.GetDeoptCount_(func));
 };
 
 OptTracker.prototype.AssertDeoptHappened = function(func, expect_deopt) {
-  if (this.DisableAsserts_(func)) {
+  if (this.DisableAsserts_(func) ||
+      %GetOptimizationStatus(func) == OptTracker.OptimizationState.CONCURRENT) {
     return;
   }
   if (expect_deopt) {
     assertTrue(this.GetDeoptCount_(func) > 0);
   } else {
     assertEquals(0, this.GetDeoptCount_(func));
   }
 }
 
 OptTracker.prototype.AssertIsOptimized = function(func, expect_optimized) {
   if (this.DisableAsserts_(func)) {
     return;
   }
   var raw_optimized = %GetOptimizationStatus(func);
   if (expect_optimized) {
-    assertEquals(OptTracker.OptimizationState.YES, raw_optimized);
+    assertTrue(OptTracker.OptimizationState.YES == raw_optimized ||
+               OptTracker.OptimizationState.CONCURRENT == raw_optimized);
   } else {
-    assertEquals(OptTracker.OptimizationState.NO, raw_optimized);
+    assertTrue(OptTracker.OptimizationState.NO == raw_optimized ||
+               OptTracker.OptimizationState.CONCURRENT == raw_optimized);
   }
 }
 
 /**
  * @private
  */
 OptTracker.prototype.GetOptCount_ = function(func) {
   var raw_count = %GetOptimizationCount(func);
   if (func in this.opt_counts_) {
     var checkpointed_count = this.opt_counts_[func];
@@ skipping 62 matching lines @@
 // Let's trigger optimization for another type.
 for (var i = 0; i < 5; i++) f("a");
 
 %OptimizeFunctionOnNextCall(f);
 f("b");
 
 tracker.AssertOptCount(f, 2);
 tracker.AssertIsOptimized(f, true);
 tracker.AssertDeoptHappened(f, true);
 tracker.AssertDeoptCount(f, 1);