92fdbc1c42
Bug: chromium:974476 Change-Id: I719812e93345b5f7aa9b1e4e594d02ae9a1c4208 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1664063 Reviewed-by: Jaroslav Sevcik <jarin@chromium.org> Commit-Queue: Tobias Tebbi <tebbi@chromium.org> Cr-Commit-Position: refs/heads/master@{#62239}
35 lines
684 B
JavaScript
35 lines
684 B
JavaScript
// Copyright 2019 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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function use(x) { return x; }
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%NeverOptimizeFunction(use);
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function foo() {
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let result = undefined;
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(function () {
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const a = {};
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for (_ of [0]) {
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const empty = [];
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(function () {
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result = 42;
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for (_ of [0]) {
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for (_ of [0]) {
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use(empty);
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}
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}
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result = a;
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})();
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}
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})();
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return result;
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}
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%PrepareFunctionForOptimization(foo);
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foo();
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foo();
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%OptimizeFunctionOnNextCall(foo);
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foo();
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