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| 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); |
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