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Add regression test for optimized count operation.

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This is a regression test for a bug with handling of count operations
that target a JavaScript accessor on the prototype chain in Crankshaft.

R=jkummerow@chromium.org
BUG=chromium:306851
TEST=mjsunit/regress/regress-crbug-306851

Review URL: https://codereview.chromium.org/27702002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@17254 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
This commit is contained in:
mstarzinger@chromium.org 2013-10-17 12:48:28 +00:00
parent f039f334f5
commit 0a2b4ecdcc
1 changed files with 52 additions and 0 deletions
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test/mjsunit/regress/regress-crbug-306851.js Normal file
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// Copyright 2013 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * 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.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
// OWNER OR 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.
// Flags: --allow-natives-syntax
function Counter() {
this.value = 0;
};
Object.defineProperty(Counter.prototype, 'count', {
get: function() { return this.value; },
set: function(value) { this.value = value; }
});
var obj = new Counter();
function bummer() {
obj.count++;
return obj.count;
}
assertEquals(1, bummer());
assertEquals(2, bummer());
assertEquals(3, bummer());
%OptimizeFunctionOnNextCall(bummer);
assertEquals(4, bummer());
assertEquals(5, bummer());
assertEquals(6, bummer());