node/deps/v8/test/mjsunit/regress/regress-crbug-820820.js
Michaël Zasso e31f0a7d25
deps: update V8 to 7.7.299.4
PR-URL: https://github.com/nodejs/node/pull/28918
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
2019-08-19 09:25:23 +02:00

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();