59536de77d
R=jkummerow@chromium.org BUG=v8:2987 TEST=mjsunit/regress/regress-2987 Review URL: https://codereview.chromium.org/64433002 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@17569 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
58 lines
2.3 KiB
JavaScript
58 lines
2.3 KiB
JavaScript
// Copyright 2013 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// Flags: --allow-natives-syntax --dead-code-elimination
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// This tests that stores on captured objects are correctly tracked even
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// when DCE is enabled. We cannot delete simulations of captured objects
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// that are still needed to replay the environment correctly.
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function constructor() {
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this.x = 0;
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}
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var deopt = { deopt:false };
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function boogeyman(mode, value) {
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var object = new constructor();
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if (mode) {
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object.x = 1;
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} else {
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object.x = 2;
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}
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deopt.deopt;
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assertEquals(value, object.x);
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}
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boogeyman(true, 1);
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boogeyman(true, 1);
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boogeyman(false, 2);
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boogeyman(false, 2);
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%OptimizeFunctionOnNextCall(boogeyman);
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boogeyman(false, 2);
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delete deopt.deopt;
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boogeyman(false, 2);
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