17 lines
479 B
JavaScript
17 lines
479 B
JavaScript
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// Copyright 2016 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --allow-natives-syntax
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function foo() {}
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foo.__defineGetter__(undefined, function() {})
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function bar() {}
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function baz(x) { return x instanceof bar };
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%OptimizeFunctionOnNextCall(baz);
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baz();
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Object.setPrototypeOf(bar, null);
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bar[Symbol.hasInstance] = function() { return true };
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assertTrue(baz());
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