Run Crankshaft on a separate thread.

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

Index: test/mjsunit/assert-opt-and-deopt.js
diff --git a/test/mjsunit/assert-opt-and-deopt.js b/test/mjsunit/assert-opt-and-deopt.js
index 51cb99adc3354f47aa106e87a90e68a55d559663..5eedb93d50ac02f09351f6a7830994bde453d5fd 100644
--- a/test/mjsunit/assert-opt-and-deopt.js
+++ b/test/mjsunit/assert-opt-and-deopt.js
@@ -46,7 +46,8 @@ OptTracker.OptimizationState = {
     YES: 1,
     NO: 2,
     ALWAYS: 3,
-    NEVER: 4
+    NEVER: 4,
+    CONCURRENT: 5
 };
 
 /**
@@ -60,7 +61,8 @@ OptTracker.prototype.CheckpointOptCount = function(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));
@@ -70,11 +72,18 @@ 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 begin optimized concurrently.
+  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) {
@@ -90,9 +99,11 @@ OptTracker.prototype.AssertIsOptimized = function(func, expect_optimized) {
   }
   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);
   }
 }