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23
24description(
25"Tests stability when the CFA finds a constant in block-local data flow over captured variables but the CSE doesn't because of differences in heap modeling."
26);
27
28function foo(a, b) {
29    var x = a + b;
30    var y = a - b;
31    function bar() {
32        var m = x + y;
33        var n = x - y;
34        function baz() {
35            return m + n;
36        }
37        m = 23;
38        if (m < n) {
39            m = 12;
40            y = 72; // PutScopedVar appears to clobber world in CSE but only clobbers structures in CFA.
41            return m + 6 + n + baz();
42        } else
43            return 91;
44    }
45    x = 42;
46    if (y < 0) {
47        return x + 5 + y + bar();
48    } else
49        return 73;
50}
51
52for (var i = 0; i < 200; ++i)
53    shouldBe("foo(i, i + 1)", "162");
54