dfg-inline-arguments-osr-exit-and-capture.js 2.1 KB
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// Copyright 2013 the V8 project authors. All rights reserved.
// Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
//
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// modification, are permitted provided that the following conditions
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// 1.  Redistributions of source code must retain the above copyright
//     notice, this list of conditions and the following disclaimer.
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//     notice, this list of conditions and the following disclaimer in the
//     documentation and/or other materials provided with the distribution.
//
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description(
"Tests what happens if you OSR exit within inlined code that has interesting control flow with arguments that are specially formatted and you capture the arguments reflectively after the OSR exit."
);

function foo() {
    return bar.arguments[0];
}

function bar(x, y) {
    if (x + 5 > 4)
        return y.f + 42 + foo();
    else
        return y.f + 43 + foo();
}

function baz(x, y) {
    return bar(x, y);
}

for (var i = 0; i < 300; ++i) {
    var expected;
    var arg1 = i;
    var arg2;
    if (i < 250) {
        arg2 = {f:i + 1};
        expected = i + 1 + 42 + i;
    } else {
        arg2 = {f:1.5};
        expected = 1.5 + 42 + i;
    }
    shouldBe("baz(arg1, arg2)", "" + expected);
}