a31889e2de
This fixes a corner case when the instance prototype of a function is changed while inobject slack tracking is still in progress. This caused the intial map to be unrelated for functions with the same shared info and hence the shared construct stub is no longer generic enough to work for all those functions. R=danno@chromium.org BUG=chromium:157019 TEST=mjsunit/regress/regress-crbug-157019 Review URL: https://codereview.chromium.org/11293059 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12896 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
55 lines
2.0 KiB
JavaScript
55 lines
2.0 KiB
JavaScript
// Copyright 2012 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 --nocrankshaft
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function makeConstructor() {
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return function() {
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this.a = 1;
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this.b = 2;
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};
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}
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var c1 = makeConstructor();
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var o1 = new c1();
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c1.prototype = {};
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for (var i = 0; i < 10; i++) {
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var o = new c1();
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for (var j = 0; j < 8; j++) {
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o["x" + j] = 0;
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}
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}
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var c2 = makeConstructor();
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var o2 = new c2();
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for (var i = 0; i < 50000; i++) {
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new c2();
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}
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