bug 470739 - in order to exclude randam passes on platforms that do not support jit, require jit time to be less than 1/2 non jit time in order to pass.

js/tests/js1_8_1/trace/regress-470739.js

@@ -73,7 +73,7 @@ function test()
   print('time: nonjit = ' + timenonjit + ', jit = ' + timejit);
 
   expect = true;
-  actual = timejit < timenonjit;
+  actual = timejit < timenonjit/2;
 
   reportCompare(expect, actual, summary);