test/webkit/dfg-phantom-get-local.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 Phantom(GetLocal) is treated as being relevant to OSR."
);

function foo(o) {
    var x = o;
    var y = o.f;
    if (y) {
        o.g.h;
        return !x;
    }

    // Do things to ensure that the structure check on o is not hoisted.
    return o + o + o + o + o;
}

for (var i = 0; i < 200; ++i)
    shouldBe("foo(i < 190 ? {f:42, g:{h:3}} : {f:42, g:{}})", "false");