v8/test/mjsunit/compiler/regress-1028208.js
Georg Neis cab15c8190 Don't try to optimize an already-optimized function
Bug: chromium:1028208
Change-Id: I439cb5acf4487ab0e4af0dcd065f1ccb78b2e7a1
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1946351
Reviewed-by: Mythri Alle <mythria@chromium.org>
Commit-Queue: Georg Neis <neis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#65282}
2019-12-02 12:04:23 +00:00

16 lines
516 B
JavaScript

// Copyright 2019 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: --no-use-ic --interrupt-budget=100 --always-osr
const num_iterations = 1000;
let i = 0;
const re = /foo.bar/;
const RegExpPrototypeExec = RegExp.prototype.exec;
re.exec = function gaga(str) {
return (i++ < num_iterations) ? RegExpPrototypeExec.call(re, str) : null;
};
re.__defineGetter__("global", () => true);
"foo*bar".match(re);