v8/test/mjsunit/regress/regress-crbug-820820.js
Ross McIlroy 2425885552 [cleanup] Add missing %PrepareFunctionForOptimize in mjsunit tests
Bug: v8:8801,v8:8394,v8:9183
Change-Id: I5ceaf731a1b2720f086e6791fe08caaaa55de030
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1662568
Commit-Queue: Ross McIlroy <rmcilroy@chromium.org>
Commit-Queue: Mythri Alle <mythria@chromium.org>
Reviewed-by: Mythri Alle <mythria@chromium.org>
Auto-Submit: Ross McIlroy <rmcilroy@chromium.org>
Cr-Commit-Position: refs/heads/master@{#62224}
2019-06-17 16:48:50 +00:00

25 lines
538 B
JavaScript

// Copyright 2018 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Flags: --allow-natives-syntax
function* generator() {
yield undefined;
}
function bar(x) {
const objects = [];
for (let obj of generator()) {
}
return objects[0];
}
function foo() {
try { undefined[0] = bar(); } catch (e) { }
Math.min(bar(), bar(), bar());
}
%PrepareFunctionForOptimization(foo);
foo();
foo();
%OptimizeFunctionOnNextCall(foo);
foo();