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Issue 1856653002: Properly complete in-object slack tracking. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 4 years, 8 months ago
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1 // Copyright 2016 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 --expose-gc --verify-heap
6
7 function A() {}
8
9 function g1() {
10 var obj = new A();
11 obj.v0 = 0;
12 obj.v1 = 0;
13 obj.v2 = 0;
14 obj.v3 = 0;
15 obj.v4 = 0;
16 obj.v5 = 0;
17 obj.v6 = 0;
18 obj.v7 = 0;
19 obj.v8 = 0;
20 obj.v9 = 0;
21 return obj;
22 }
23
24 function g2() {
25 return new A();
26 }
27
28 var o = g1();
29 %OptimizeFunctionOnNextCall(g2);
30 g2();
31 o = null;
32 gc();
33
34 for (var i = 0; i < 20; i++) {
35 var o = new A();
36 }
37 g2();
38
39 gc(); // Boom!
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