Turn on parallel recompilation for tests that assert optimization status.

test/mjsunit/date.js

 // Copyright 2008 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 315 matching lines @@
 assertThrows('Date.prototype.setYear.call("", 1);', TypeError);
 assertThrows('Date.prototype.setHours.call("", 1, 2, 3, 4);', TypeError);
 assertThrows('Date.prototype.getDate.call("");', TypeError);
 assertThrows('Date.prototype.getUTCDate.call("");', TypeError);
 
 var date = new Date();
 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);