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f579e11940
PR-URL: https://github.com/nodejs/node/pull/26685 Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Michaël Zasso <targos@protonmail.com> Reviewed-By: Refael Ackermann <refack@gmail.com>
29 lines
780 B
JavaScript
29 lines
780 B
JavaScript
// 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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// Test that the lazy deoptimization point for JSAsyncFunctionResolve
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// works correctly, aka that we return the promise and not the result
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// of the JSResolvePromise operation.
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(function() {
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async function foo(x) {
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return x;
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}
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assertPromiseResult((async () => {
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%PrepareFunctionForOptimization(foo);
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await foo(1);
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await foo(2);
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%OptimizeFunctionOnNextCall(foo);
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const p = new Proxy({}, {
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get(...args) {
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%DeoptimizeFunction(foo);
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return Reflect.get(...args);
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}
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});
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assertEquals(p, await foo(p));
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})());
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})();
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