1 // Copyright 2011 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 29 30 // An exception thrown in a function optimized by on-stack replacement (OSR) 31 // should be able to construct a receiver from all optimized stack frames. 32 33 function A() { } 34 A.prototype.f = function() { } 35 36 function B() { } 37 38 var o = new A(); 39 40 // This function throws if o does not have an f property, and should not be 41 // inlined. 42 function g() { try { return o.f(); } finally { }} 43 44 // Optimization status (see runtime.cc): 45 // 1 - yes, 2 - no, 3 - always, 4 - never. 46 47 // This function should be optimized via OSR. 48 function h() { 49 var optstatus = %GetOptimizationStatus(h); 50 if (optstatus == 4) { 51 // Optimizations are globally disabled; just run once. 52 g(); 53 } else { 54 // Run for a bit as long as h is unoptimized. 55 if (%GetOptimizationStatus(h) != 4) { 56 while (%GetOptimizationCount(h) == 0) { 57 for (var j = 0; j < 100; j++) g(); 58 } 59 } 60 g(); 61 } 62 } 63 64 h(); 65 o = new B(); 66 assertThrows("h()"); 67
