Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 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); |