1// Copyright 2012 the V8 project authors. All rights reserved. 2// Redistribution and use in source and binary forms, with or without 3// modification, are permitted provided that the following conditions are 4// met: 5// 6// * Redistributions of source code must retain the above copyright 7// notice, this list of conditions and the following disclaimer. 8// * Redistributions in binary form must reproduce the above 9// copyright notice, this list of conditions and the following 10// disclaimer in the documentation and/or other materials provided 11// with the distribution. 12// * Neither the name of Google Inc. nor the names of its 13// contributors may be used to endorse or promote products derived 14// from this software without specific prior written permission. 15// 16// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 28// Flags: --allow-natives-syntax --inline-accessors 29 30var forceDeopt = {x:0}; 31 32var objectWithGetterProperty = (function (value) { 33 var obj = {}; 34 Object.defineProperty(obj, "getterProperty", { 35 get: function foo() { 36 forceDeopt.x; 37 return value; 38 }, 39 }); 40 return obj; 41})("bad"); 42 43function test() { 44 var iAmContextAllocated = "good"; 45 objectWithGetterProperty.getterProperty; 46 return iAmContextAllocated; 47 48 // Make sure that the local variable is context allocated. 49 function unused() { iAmContextAllocated; } 50} 51 52assertEquals("good", test()); 53assertEquals("good", test()); 54%OptimizeFunctionOnNextCall(test); 55assertEquals("good", test()); 56 57// At this point, foo should have been inlined into test. Let's deopt... 58delete forceDeopt.x; 59assertEquals("good", test()); 60