// Copyright 2014 the V8 project authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. // Flags: --gc-global --noincremental-marking --allow-natives-syntax function Ctor() { this.foo = 1; } var o = new Ctor(); var p = new Ctor(); function crash(o, timeout) { var s = '4000111222'; // Outside Smi range. %SetAllocationTimeout(100000, timeout); // This allocates a heap number, causing a GC, triggering lazy deopt. var end = s >>> 0; s = s.substring(0, end); // This creates a map dependency, which gives the GC a reason to trigger // a lazy deopt when that map dies. o.bar = 2; }; %PrepareFunctionForOptimization(crash); crash(o, 100000); crash(o, 100000); crash(p, 100000); %OptimizeFunctionOnNextCall(crash); crash(o, 100000); o = null; p = null; crash({}, 0);