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: --gc-global --noincremental-marking --allow-natives-syntax 6 7 function Ctor() { 8 this.foo = 1; 9 } 10 11 var o = new Ctor(); 12 var p = new Ctor(); 13 14 15 function crash(o, timeout) { 16 var s = "4000111222"; // Outside Smi range. 17 %SetAllocationTimeout(100000, timeout); 18 // This allocates a heap number, causing a GC, triggering lazy deopt. 19 var end = s >>> 0; 20 s = s.substring(0, end); 21 // This creates a map dependency, which gives the GC a reason to trigger 22 // a lazy deopt when that map dies. 23 o.bar = 2; 24 } 25 26 crash(o, 100000); 27 crash(o, 100000); 28 crash(p, 100000); 29 %OptimizeFunctionOnNextCall(crash); 30 crash(o, 100000); 31 o = null; 32 p = null; 33 crash({}, 0); 34
