dfg-holy-put-by-val-interferes-with-get-array-length.js 1.69 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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//     notice, this list of conditions and the following disclaimer.
// 2.  Redistributions in binary form must reproduce the above copyright
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description(
"Tests that the DFG's interference analysis knows that a holy PutByVal interferes with a GetArrayLength."
);

function foo(array) {
    var x = array.length;
    array[1] = 42;
    return [x, array.length];
}

for (var i = 0; i < 100; ++i)
    shouldBe("foo([75])", "[1,2]");