text: function testBranchingUnstableObject() {
    var x = {s: "a"};
    var t = "";
    for (var i=0; i < 100; ++i) {
        if (i == 51)
        {
          x.s = 5;
        }
        t += x.s;
    }
    return t.length;
  }
  assertEq(testBranchingUnstableObject(), 100);
  