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| 1 // Copyright 2017 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 | |
| 6 | |
| 7 function foo(...args) { return Array.isArray(args); } | |
| 8 | |
| 9 assertTrue(foo()); | |
| 10 assertTrue(foo()); | |
| 11 %OptimizeFunctionOnNextCall(foo); | |
| 12 assertTrue(foo()); | |
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