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23
24description(
25"Tests what happens if we fail to constant fold a LogicalNot that leads into a branch, when the CFA proves that the LogicalNot has a constant value."
26);
27
28function foo1(o) {
29    if (!!o.thingy)
30        return o.thingy(42);
31    else
32        return o.otherThingy(57);
33}
34
35function foo2(o) {
36    if (!o.thingy)
37        return o.otherThingy(42);
38    else
39        return o.thingy(57);
40}
41
42function Stuff() {
43}
44
45Stuff.prototype = {
46    thingy: function(x) { return x + 1; },
47    otherThingy: function(x) { return x - 1; }
48};
49
50for (var i = 0; i < 1000; ++i) {
51    shouldBe("foo1(new Stuff())", "43");
52    shouldBe("foo2(new Stuff())", "58");
53}
54