v8/test/mjsunit/compiler/regress-799263.js
Jaroslav Sevcik 6b30393536 [turbofan] Kill transition-kind source map in load elimination.
Bug: chromium:799263
Change-Id: I656d6b621234f2f0a7f379866a114b8cb66eca25
Reviewed-on: https://chromium-review.googlesource.com/852072
Reviewed-by: Tobias Tebbi <tebbi@chromium.org>
Commit-Queue: Jaroslav Sevcik <jarin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#50379}
2018-01-05 10:53:41 +00:00

30 lines
534 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;
}
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]);