michael@0: setJitCompilerOption("baseline.usecount.trigger", 10);
michael@0: setJitCompilerOption("ion.usecount.trigger", 20);
michael@0: 
michael@0: enableSPSProfilingAssertions(true);
michael@0: (function() {
michael@0:    var n = 50;
michael@0:    while (n--);
michael@0: })();