28 lines
697 B
JavaScript
28 lines
697 B
JavaScript
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// Copyright 2018 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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const p = Object.defineProperty(Promise.resolve(), 'then', {
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value() { return 0; }
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});
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(function() {
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function foo() { return p.catch().catch(); }
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assertThrows(foo, TypeError);
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assertThrows(foo, TypeError);
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%OptimizeFunctionOnNextCall(foo);
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assertThrows(foo, TypeError);
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})();
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(function() {
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function foo() { return p.finally().finally(); }
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assertThrows(foo, TypeError);
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assertThrows(foo, TypeError);
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%OptimizeFunctionOnNextCall(foo);
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assertThrows(foo, TypeError);
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})();
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