d5aa995e3c
This promotes the escape analysis from an experimental feature to be a fully supported feature. The main goal is to unleach ClusterFuzz on the implementation so that we can stabilize it. R=jarin@chromium.org Review-Url: https://codereview.chromium.org/1989833002 Cr-Commit-Position: refs/heads/master@{#36324}
48 lines
2.0 KiB
JavaScript
48 lines
2.0 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 --turbo-escape
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// Test deoptimization with captured objects in local variables.
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(function testDeoptLocal() {
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"use strict";
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function constructor1(a) {
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return arguments;
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}
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function func(a) {
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var o1 = constructor1(1,2,3);
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if (a) { %DeoptimizeNow(); }
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assertEquals(1, o1[0]);
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assertEquals(2, o1[1]);
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assertEquals(3, o1[2]);
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}
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func(false);
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func(false);
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%OptimizeFunctionOnNextCall(func);
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func(true);
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})();
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