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Issue 2488223002: [runtime] Ensure Object.freeze() deoptimizes code that depends on global property cells. (Closed)
Patch Set: Created 4 years, 1 month ago
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1 // Copyright 2016 the V8 project authors. All rights reserved. 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 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 // Flags: --allow-natives-syntax 5 // Flags: --allow-natives-syntax
6 6
7 function foo(x) { 7 var v = 0;
8 (x 8 function foo(a) {
9 ? (!0 / 0) 9 v = a;
10 : x) | 0
11 } 10 }
12 11
13 foo(1); 12 foo(1);
14 foo(2); 13 foo(2);
15 %OptimizeFunctionOnNextCall(foo); 14 %OptimizeFunctionOnNextCall(foo);
16 foo(3); 15 foo(3);
16 assertEquals(3, v);
17
18 Object.freeze(this);
19
20 foo(4);
21 foo(5);
22 %OptimizeFunctionOnNextCall(foo);
23 foo(6);
24 assertEquals(3, v);
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