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Issue 2411273002: [turbofan] Fix effect chain for polymorphic array access. (Closed)
Patch Set: Created 4 years, 2 months 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(a) { 7 function foo(a) {
8 for (var d in a) { 8 a.x = 0;
9 delete a[1]; 9 if (a.x === 0) a[1] = 0.1;
10 } 10 a.x = {};
11 } 11 }
12 12 foo(new Array(1));
13 foo([1,2,3]); 13 foo(new Array(1));
14 foo([2,3,4]);
15 %OptimizeFunctionOnNextCall(foo); 14 %OptimizeFunctionOnNextCall(foo);
16 foo([1,2,3]); 15 foo(new Array(1));
17 assertOptimized(foo);
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