1 // Copyright 2014 the V8 project authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 // Flags: --allow-natives-syntax 6 7 function g() { 8 this.x = {}; 9 } 10 11 function f() { 12 new g(); 13 } 14 15 function deopt(x) { 16 %DeoptimizeFunction(f); 17 } 18 19 f(); 20 f(); 21 %OptimizeFunctionOnNextCall(f); 22 Object.prototype.__defineSetter__('x', deopt); 23 f(); 24