1// Copyright 2013 the V8 project authors. All rights reserved. 2// Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved. 3// 4// Redistribution and use in source and binary forms, with or without 5// modification, are permitted provided that the following conditions 6// are met: 7// 1. Redistributions of source code must retain the above copyright 8// notice, this list of conditions and the following disclaimer. 9// 2. Redistributions in binary form must reproduce the above copyright 10// notice, this list of conditions and the following disclaimer in the 11// documentation and/or other materials provided with the distribution. 12// 13// THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY 14// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 15// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 16// DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY 17// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 18// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 19// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 20// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 21// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 22// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23 24description( 25"This tests that if a variable is dead on OSR exit, it will at least contain a valid JS value." 26); 27 28var array = []; 29 30for (var i = 0; i < 9; ++i) { 31 var code = ""; 32 code += "(function("; 33 for (var j = 0; j < i; ++j) { 34 if (j) 35 code += ", "; 36 code += "arg" + j; 37 } 38 code += ") {\n"; 39 code += " return "; 40 if (i) { 41 for (var j = 0; j < i; ++j) { 42 if (j) 43 code += " + "; 44 code += "arg" + j; 45 } 46 } else 47 code += "void 0"; 48 code += ";\n"; 49 code += "})"; 50 array[i] = eval(code); 51} 52 53function foo(a, b) { 54 var x = 0; 55 if (a.f < b.f) { 56 var result = b.g - a.g; 57 x = !x; 58 return result; 59 } else { 60 var result = a.g - b.g; 61 x = [x]; 62 return result; 63 } 64} 65 66var firstArg = {f:2, g:3}; 67var secondArg = {f:3, g:4}; 68 69for (var i = 0; i < 300; ++i) { 70 var code = ""; 71 code += "array[" + (((i / 2) | 0) % array.length) + "]("; 72 for (var j = 0; j < (((i / 2) | 0) % array.length); ++j) { 73 if (j) 74 code += ", "; 75 code += i + j; 76 } 77 if (i == 150) { 78 firstArg = {f:2, g:2.5}; 79 secondArg = {f:3, g:3.5}; 80 } 81 var tmp = firstArg; 82 firstArg = secondArg; 83 secondArg = tmp; 84 code += "); foo(firstArg, secondArg)"; 85 shouldBe(code, "1"); 86} 87