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Issue 2495563002: [runtime] Treat empty property cells properly when doing Object.freeze() on a global object. (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 var v = 0; 7 var v = 0;
8 function foo(a) { 8 function foo(a) {
9 v = a; 9 v = a;
10 } 10 }
11 this.x = 0;
12 delete x;
11 13
12 foo(1); 14 foo(1);
13 foo(2); 15 foo(2);
14 %OptimizeFunctionOnNextCall(foo); 16 %OptimizeFunctionOnNextCall(foo);
15 foo(3); 17 foo(3);
16 assertEquals(3, v); 18 assertEquals(3, v);
17 19
18 Object.freeze(this); 20 Object.freeze(this);
19 21
20 foo(4); 22 foo(4);
21 foo(5); 23 foo(5);
22 %OptimizeFunctionOnNextCall(foo); 24 %OptimizeFunctionOnNextCall(foo);
23 foo(6); 25 foo(6);
24 assertEquals(3, v); 26 assertEquals(3, v);
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