v8/test/mjsunit/compiler/regress-799263.js
Ross McIlroy 31a3cfbc10 [Test] Add PrepareForOptimization to mjsunit/compiler
BUG=v8:8801

Change-Id: I9d9d9824c6c9ad0176bbfd3723da1b578b17c256
Reviewed-on: https://chromium-review.googlesource.com/c/1495555
Commit-Queue: Ross McIlroy <rmcilroy@chromium.org>
Reviewed-by: Mythri Alle <mythria@chromium.org>
Cr-Commit-Position: refs/heads/master@{#60001}
2019-03-04 12:25:41 +00:00

32 lines
573 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 opt(a, b) {
b[0] = 0;
a.length;
// TransitionElementsKind
for (let i = 0; i < 1; i++)
a[0] = 0;
b[0] = 9.431092e-317;
}
%PrepareFunctionForOptimization(opt);
let arr1 = new Array(1);
arr1[0] = 'a';
opt(arr1, [0]);
let arr2 = [0.1];
opt(arr2, arr2);
%OptimizeFunctionOnNextCall(opt);
opt(arr2, arr2);
assertEquals(9.431092e-317, arr2[0]);