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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>
32 lines
863 B
JavaScript
32 lines
863 B
JavaScript
// Copyright 2017 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: --expose-gc --allow-natives-syntax
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var notCallable;
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function inferReceiverMapsInDeadCode() {
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var obj = { func() {} };
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gc();
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function wrappedCode() { try { code(); } catch (e) {} }
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%PrepareFunctionForOptimization(wrappedCode);
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function code() {
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obj.a;
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try {
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Object.defineProperty(obj, "func", { get() {} });
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} catch (neverCaught) {}
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for (var i = 0; i < 1; i++) {
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try {
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notCallable(arguments[i]);
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} catch (alwaysCaught) {}
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}
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}
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wrappedCode();
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try {
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%OptimizeFunctionOnNextCall(wrappedCode);
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wrappedCode();
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} catch (e) {}
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}
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inferReceiverMapsInDeadCode();
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inferReceiverMapsInDeadCode();
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inferReceiverMapsInDeadCode();
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