src/v8/test/webkit/dfg-array-dead.js

// 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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description(
"Tests that an array being dead does not result in register allocation failures."
);

function foo() {
    var z = new Array(00, 01, 02, 03, 04, 05, 06, 07, 08, 09,
                      10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
                      20, 21, 22, 23, 24, 25, 26, 27, 28, 29,
                      30, 31, 32, 33, 34, 35, 36, 37, 38, 39,
                      40, 41, 42, 43, 44, 45, 46, 47, 48, 49,
                      50, 51, 52, 53, 54, 55, 56, 57, 58, 59,
                      60, 61, 62, 63, 64, 65, 66, 67, 68, 69);

    z = bar(1);

    return z.length;
}

function bar(x) {
    var a = [];
    a[x] = 1;

    return a;
}

for (var i = 0; i < 1000; ++i) {
    shouldBe("foo()", "2");
}