The Tor Browser / file revision

 if (typeof ParallelArray === "undefined")

   quit();

 ParallelArray(11701, function() {

     return /x/

 }).reduce(function(a) {

     if (a % 9) {

         for (var y = 0; y; ++y) {}

         return []

     }

 })

 function foo() {

   return "foo";

 }

 function test() {

 var a = [1, 2, 3];

 var s = '';

 for (var x of a)

   for (var i of 'y')

     s += '' + foo()

 } test();

 ignoreComments = [];

 function bug909276() {

 var actual = '';

 for (var next of ignoreComments) {

   actual += a;

   for (var b in x) {

     actual += b.eval("args = [-0, NaN, -1/0]; this.f(-0, NaN, -1/0);");

   }

 }

 var y = Iterator([1,2,3], true);

 for (var c in y) {}

 } bug909276();