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Issue 2523223003: Merged: Squashed multiple commits. (Closed)
Patch Set: Created 4 years 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
6
7 function foo() {}
8 foo.__defineGetter__(undefined, function() {})
9
10 function bar() {}
11 function baz(x) { return x instanceof bar };
12 %OptimizeFunctionOnNextCall(baz);
13 baz();
14 Object.setPrototypeOf(bar, null);
15 bar[Symbol.hasInstance] = function() { return true };
16 assertTrue(baz());
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