Turn on parallel recompilation for tests that assert optimization status.

test/mjsunit/date.js

Index: test/mjsunit/date.js
diff --git a/test/mjsunit/date.js b/test/mjsunit/date.js
index a1b7871d60bf06531dcf91438f1c766ff8df81c2..3d72032ab81cbfb8b701a7e7b57d7a60e32a825b 100644
--- a/test/mjsunit/date.js
+++ b/test/mjsunit/date.js
@@ -333,11 +333,10 @@ date.getTime();
 date.getTime();
 %OptimizeFunctionOnNextCall(Date.prototype.getTime);
 assertThrows(function() { Date.prototype.getTime.call(""); }, TypeError);
-assertTrue(%GetOptimizationStatus(Date.prototype.getTime) != 1);
+assertUnoptimized(Date.prototype.getTime);
 
 date.getYear();
 date.getYear();
 %OptimizeFunctionOnNextCall(Date.prototype.getYear);
 assertThrows(function() { Date.prototype.getYear.call(""); }, TypeError);
-opt_status = %GetOptimizationStatus(Date.prototype.getYear);
-assertTrue(%GetOptimizationStatus(Date.prototype.getTime) != 1);
+assertUnoptimized(Date.prototype.getYear);