Turn on parallel recompilation for tests that assert optimization status.

test/mjsunit/regress/regress-crbug-150545.js

 // Copyright 2012 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 @@
     if (instantReturn) return;
     assertSame(3, arguments.length);
     assertSame(1, arguments[0]);
     assertSame(2, arguments[1]);
     assertSame(3, arguments[2]);
   }
 
   function outer() {
     inner(1,2,3);
     // Trigger OSR.
-    while (%GetOptimizationStatus(outer) == 2) {}
+    while (%GetOptimizationStatus(outer, "no sync") == 2) {}
   }
 
   outer();
 })();