v8/test/mjsunit/compiler/regress-crbug-1234764.js
Georg Neis db9c2e058b [compiler] Add some regression tests
Bug: chromium:1228407, chromium:1234764, chromium:1234770, chromium:1247763
Change-Id: I1e8ffaa04eeda22b71ece2f59038e5c92861fde0
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3172751
Commit-Queue: Georg Neis <neis@chromium.org>
Commit-Queue: Maya Lekova <mslekova@chromium.org>
Auto-Submit: Georg Neis <neis@chromium.org>
Reviewed-by: Maya Lekova <mslekova@chromium.org>
Cr-Commit-Position: refs/heads/main@{#76955}
2021-09-21 09:17:38 +00:00

22 lines
597 B
JavaScript

// Copyright 2021 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 foo(arg_true) {
let o = {c0: 0};
let c0a = arg_true ? 0 : "x";
let c0 = Math.max(c0a, 0) + c0a;
let v01 = 2**32 + (o.c0 & 1);
let ra = ((2**32 - 1) >>> c0) - v01;
let rb = (-1) << (32 - c0);
return (ra^rb) >> 31;
}
%PrepareFunctionForOptimization(foo);
assertEquals(0, foo(true));
assertEquals(0, foo(true));
%OptimizeFunctionOnNextCall(foo);
assertEquals(0, foo(true));