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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.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
description(
"Tests that an Int32ToDouble placed on a SetLocal does a forward exit."
);
var counter = 0;
function checkpoint(text) {
debug("Checkpoint: " + text);
counter++;
}
function func1() {
checkpoint("a");
a = Date.now() + Date.now() + Date.now() + Date.now() + Date.now() + Date.now();
checkpoint("b");
}
function func2() {
checkpoint("c");
return Date.now() + Date.now() + Date.now() + Date.now() + Date.now() + Date.now();
}
function func3(s) {
checkpoint("1");
s = func1(); // The bug is that this function will be called twice, if our Int32ToDouble hoisting does a backward speculation.
checkpoint("2");
s = func2();
checkpoint("3");
return s;
}
function test() {
return func3(1);
}
for (var i=0; i < 200; i++) {
test();
}
shouldBe("counter", "1200");
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