9d7cd9b864
PR-URL: https://github.com/nodejs/node/pull/54077 Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Richard Lau <rlau@redhat.com> Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com> Reviewed-By: Marco Ippolito <marcoippolito54@gmail.com>
34 lines
675 B
JavaScript
34 lines
675 B
JavaScript
// Copyright 2024 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 callFun(fun) {
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fun();
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}
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var iterable = {};
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iterable[Symbol.iterator] = () => ({
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next: () => ({}),
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return: () => {
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}
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});
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function* iterateAndThrow() {
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for (let x of iterable) {
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throw 42;
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}
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}
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%PrepareFunctionForOptimization(iterateAndThrow);
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try {
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callFun(() => iterateAndThrow().next());
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} catch (e) {}
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iterateAndThrow();
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%OptimizeMaglevOnNextCall(iterateAndThrow);
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try {
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iterateAndThrow().next();
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} catch {
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}
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