nodejs/deps/v8/test/mjsunit/regress/regress-crbug-762874-1.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

19 lines
489 B
JavaScript

// Copyright 2017 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
const maxLength = %StringMaxLength();
const s = 'A'.repeat(maxLength);
function foo(s) {
let x = s.indexOf("", maxLength);
return x === maxLength;
};
%PrepareFunctionForOptimization(foo);
assertTrue(foo(s));
assertTrue(foo(s));
%OptimizeFunctionOnNextCall(foo);
assertTrue(foo(s));