v8/test/mjsunit/regress/regress-940361.js
Georg Neis 708c91154c [turbofan] Manually serialize descriptors for a field type dependency
It wasn't always guaranteed that they were serialized before taking the
dependency.

Bug: chromium:940361
Change-Id: Id5e5e14532809e7496546c2011176e33848506ce
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1514495
Reviewed-by: Maya Lekova <mslekova@chromium.org>
Commit-Queue: Georg Neis <neis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#60156}
2019-03-11 12:45:00 +00:00

22 lines
511 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: --allow-natives-syntax
const re = /abc/;
// Move the test method one prototype up.
re.__proto__.__proto__.test = re.__proto__.test;
delete re.__proto__.test;
function foo(s) {
return re.test(s);
}
assertTrue(foo('abc'));
assertTrue(foo('abc'));
%OptimizeFunctionOnNextCall(foo);
assertTrue(foo('abc'));
assertFalse(foo('ab'));