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PR-URL: https://github.com/nodejs/node/pull/39945 Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Michael Dawson <midawson@redhat.com>
22 lines
578 B
JavaScript
22 lines
578 B
JavaScript
// Copyright 2021 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 --no-lazy-feedback-allocation
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function foo() {
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String.prototype.startsWith.call(undefined, "");
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}
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%PrepareFunctionForOptimization(foo);
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assertThrows(foo);
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%OptimizeFunctionOnNextCall(foo);
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assertThrows(foo);
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function bar() {
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"bla".startsWith("", Symbol(''));
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}
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%PrepareFunctionForOptimization(bar);
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assertThrows(bar);
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%OptimizeFunctionOnNextCall(bar);
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assertThrows(bar);
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