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 33function A() { } 34A.prototype.f = function() { } 35 36function B() { } 37 38var o = new A(); 39 40// This function throws if o does not have an f property, and should not be 41// inlined. 42function 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. 48function 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 64h(); 65o = new B(); 66assertThrows("h()"); 67