1b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// Copyright 2013 the V8 project authors. All rights reserved. 281362e16c30e9e970af6b17592f627ad8cdee4d8Kristian Monsen// Redistribution and use in source and binary forms, with or without 381362e16c30e9e970af6b17592f627ad8cdee4d8Kristian Monsen// modification, are permitted provided that the following conditions are 481362e16c30e9e970af6b17592f627ad8cdee4d8Kristian Monsen// met: 581362e16c30e9e970af6b17592f627ad8cdee4d8Kristian Monsen// 681362e16c30e9e970af6b17592f627ad8cdee4d8Kristian Monsen// * Redistributions of source code must retain the above copyright 781362e16c30e9e970af6b17592f627ad8cdee4d8Kristian Monsen// notice, this list of conditions and the following disclaimer. 881362e16c30e9e970af6b17592f627ad8cdee4d8Kristian Monsen// * Redistributions in binary form must reproduce the above 981362e16c30e9e970af6b17592f627ad8cdee4d8Kristian Monsen// copyright notice, this list of conditions and the following 1081362e16c30e9e970af6b17592f627ad8cdee4d8Kristian Monsen// disclaimer in the documentation and/or other materials provided 1181362e16c30e9e970af6b17592f627ad8cdee4d8Kristian Monsen// with the distribution. 1281362e16c30e9e970af6b17592f627ad8cdee4d8Kristian Monsen// * Neither the name of Google Inc. nor the names of its 1381362e16c30e9e970af6b17592f627ad8cdee4d8Kristian Monsen// contributors may be used to endorse or promote products derived 1481362e16c30e9e970af6b17592f627ad8cdee4d8Kristian Monsen// from this software without specific prior written permission. 1581362e16c30e9e970af6b17592f627ad8cdee4d8Kristian Monsen// 1681362e16c30e9e970af6b17592f627ad8cdee4d8Kristian Monsen// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 1781362e16c30e9e970af6b17592f627ad8cdee4d8Kristian Monsen// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 1881362e16c30e9e970af6b17592f627ad8cdee4d8Kristian Monsen// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 1981362e16c30e9e970af6b17592f627ad8cdee4d8Kristian Monsen// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 2081362e16c30e9e970af6b17592f627ad8cdee4d8Kristian Monsen// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 2181362e16c30e9e970af6b17592f627ad8cdee4d8Kristian Monsen// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 2281362e16c30e9e970af6b17592f627ad8cdee4d8Kristian Monsen// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2381362e16c30e9e970af6b17592f627ad8cdee4d8Kristian Monsen// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2481362e16c30e9e970af6b17592f627ad8cdee4d8Kristian Monsen// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2581362e16c30e9e970af6b17592f627ad8cdee4d8Kristian Monsen// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 2681362e16c30e9e970af6b17592f627ad8cdee4d8Kristian Monsen// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2781362e16c30e9e970af6b17592f627ad8cdee4d8Kristian Monsen 28b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// Flags: --allow-natives-syntax 2981362e16c30e9e970af6b17592f627ad8cdee4d8Kristian Monsen 30b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdochvar o = {}; 31b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdochvar count = 0; 32b8a8cc1952d61a2f3a2568848933943a543b5d3eBen MurdochObject.defineProperty(o, "x", {get:function(){count++;return 100}}); 33b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 34b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdochfunction load(o, o2) { 35b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch return 1 + (o.x, o2.x_tagged); 36b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch} 3781362e16c30e9e970af6b17592f627ad8cdee4d8Kristian Monsen 38b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdochvar deopt = false; 39b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdochvar o2 = {x_tagged:{}}; 40b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdocho2.x_tagged = 1; 4181362e16c30e9e970af6b17592f627ad8cdee4d8Kristian Monsen 42b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdochload({x:1}, o2); 43b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdochload({x:1}, o2); 44b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdochprint(load(o, o2)); 45b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch%OptimizeFunctionOnNextCall(load); 46b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdocho2.x_tagged = true; 47b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdochprint(load(o, o2)); 48