Turn on parallel recompilation for tests that assert optimization status.

test/mjsunit/mjsunit.js

Index: test/mjsunit/mjsunit.js
diff --git a/test/mjsunit/mjsunit.js b/test/mjsunit/mjsunit.js
index 25d7c004326ce3df03ebe83edb2f0becd5336bba..83449cc1e692e8d0754e49ac8d4122ea39662186 100644
--- a/test/mjsunit/mjsunit.js
+++ b/test/mjsunit/mjsunit.js
@@ -99,6 +99,14 @@ var assertInstanceof;
 // Assert that this code is never executed (i.e., always fails if executed).
 var assertUnreachable;
 
+// Assert that the function code is (not) optimized.  If "no sync" is passed
+// as second argument, we do not wait for the parallel optimization thread to
+// finish when polling for optimization status.
+// Only works with --allow-natives-syntax.
+var assertOptimized;
+var assertUnoptimized;
+
+
 (function () {  // Scope for utility functions.
 
   function classOf(object) {
@@ -353,5 +361,26 @@ var assertUnreachable;
     throw new MjsUnitAssertionError(message);
   };
 
+
+  var OptimizationStatus;
+  try {
+    OptimizationStatus =
+      new Function("fun", "sync", "return %GetOptimizationStatus(fun, sync);");
+  } catch (e) {
+    OptimizationStatus = function() {
+      throw new Error("natives syntax not allowed");
+    }
+  }
+
+  assertUnoptimized = function assertUnoptimized(fun, sync_opt, name_opt) {
+    if (sync_opt === undefined) sync_opt = "";
+    assertTrue(OptimizationStatus(fun, sync_opt) != 1, name_opt);
+  }
+
+  assertOptimized = function assertOptimized(fun, sync_opt, name_opt) {
+    if (sync_opt === undefined) sync_opt = "";
+    assertTrue(OptimizationStatus(fun, sync_opt) != 2, name_opt);
+  }
+
 })();