The Tor Browser / file revision

 actual = '';

 expected = ',,,,,[object Object],[object Object],[object Object],[object Object],[object Object],,,,,,[object Object],[object Object],[object Object],[object Object],[object Object],,,,,,[object Object],[object Object],[object Object],[object Object],[object Object],,,,,,[object Object],[object Object],[object Object],[object Object],[object Object],,,,,,';

 function f() {

   var e;

   for each (e in ["", {}, "", {}, "", {}, "", {}, ""]) {

       var g = function() { for (var i = 0; i < 5; ++i) appendToActual(e); }

       g();

   }

 }

 f();

 assertEq(actual, expected)