1// Copyright 2013 the V8 project authors. All rights reserved.
2// Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
3//
4// Redistribution and use in source and binary forms, with or without
5// modification, are permitted provided that the following conditions
6// are met:
7// 1.  Redistributions of source code must retain the above copyright
8//     notice, this list of conditions and the following disclaimer.
9// 2.  Redistributions in binary form must reproduce the above copyright
10//     notice, this list of conditions and the following disclaimer in the
11//     documentation and/or other materials provided with the distribution.
12//
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22// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23
24description(
25"This tests that if a variable is dead on OSR exit, it will at least contain a valid JS value."
26);
27
28var array = [];
29
30for (var i = 0; i < 9; ++i) {
31    var code = "";
32    code += "(function(";
33    for (var j = 0; j < i; ++j) {
34        if (j)
35            code += ", ";
36        code += "arg" + j;
37    }
38    code += ") {\n";
39    code += "    return ";
40    if (i) {
41        for (var j = 0; j < i; ++j) {
42            if (j)
43                code += " + ";
44            code += "arg" + j;
45        }
46    } else
47        code += "void 0";
48    code += ";\n";
49    code += "})";
50    array[i] = eval(code);
51}
52
53function foo(a, b) {
54    var x = 0;
55    if (a.f < b.f) {
56        var result = b.g - a.g;
57        x = !x;
58        return result;
59    } else {
60        var result = a.g - b.g;
61        x = [x];
62        return result;
63    }
64}
65
66var firstArg = {f:2, g:3};
67var secondArg = {f:3, g:4};
68
69for (var i = 0; i < 300; ++i) {
70    var code = "";
71    code += "array[" + (((i / 2) | 0) % array.length) + "](";
72    for (var j = 0; j < (((i / 2) | 0) % array.length); ++j) {
73        if (j)
74            code += ", ";
75        code += i + j;
76    }
77    if (i == 150) {
78        firstArg = {f:2, g:2.5};
79        secondArg = {f:3, g:3.5};
80    }
81    var tmp = firstArg;
82    firstArg = secondArg;
83    secondArg = tmp;
84    code += "); foo(firstArg, secondArg)";
85    shouldBe(code, "1");
86}
87