1// Copyright 2013 the V8 project authors. All rights reserved.
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23
24description(
25"Tests what happens when CFG simplification leads to the elimination of a set local that had a type check, and then we do a typeof on the value, which can be constant folded if the type check stays."
26);
27
28function foo(o) {
29    var x;
30    if (o.f)
31        x = o.g;
32    else
33        x = o.h;
34    return [typeof x, x - 1];
35}
36
37for (var i = 0; i < 500; ++i) {
38    var o = {f:foo};
39    var expectedFirst;
40    var expectedSecond;
41    if (i < 450) {
42        o.g = i;
43        expectedFirst = "\"number\"";
44        expectedSecond = "" + (i - 1);
45    } else {
46        o.g = "42";
47        expectedFirst = "\"string\"";
48        expectedSecond = "41";
49    }
50    var result = foo(o);
51    shouldBe("result[0]", expectedFirst);
52    shouldBe("result[1]", expectedSecond);
53}
54