7d6fd56fd5
There was a comment that, for such ICs specialized to the global object, they were always contextual loads. This is very brittle. It is a micro-optimization that relies too much on the way that things happen to work today. Instead, never omit the smi check because it's safer. R=vegorov@chromium.org BUG=117794 TEST=regress-117794.js Review URL: https://chromiumcodereview.appspot.com/9691038 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11022 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
58 lines
2.1 KiB
JavaScript
58 lines
2.1 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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// Loads specialized to be from the global object should not omit the
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// smi check on the receiver. The code below should not crash.
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print = function() {}
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function constructor() {};
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function assertHasOwnProperties(object, limit) {
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for (var i = 0; i < limit; i++) { }
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}
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try {
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Object.keys();
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} catch(exc2) {
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print(exc2.stack);
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}
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var x1 = new Object();
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try {
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new Function("A Man Called Horse", x1.d);
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} catch(exc3) {
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print(exc3.stack);
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}
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try {
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(-(true)).toPrecision(0x30, 'lib1-f1');
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} catch(exc1) {
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print(exc1.stack);
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}
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