v8/test/mjsunit/regress/regress-crbug-906043.js
Peter Marshall 8e4588915b [turbofan] Relax range for arguments object length
Bug: chromium:906043
Change-Id: I3a397447be186eff7e6b2ab25341718b6c0d205d
Reviewed-on: https://chromium-review.googlesource.com/c/1356507
Commit-Queue: Peter Marshall <petermarshall@chromium.org>
Reviewed-by: Jaroslav Sevcik <jarin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#57965}
2018-11-30 13:04:43 +00:00

34 lines
744 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 fun(arg) {
let x = arguments.length;
a1 = new Array(0x10);
a1[0] = 1.1;
a2 = new Array(0x10);
a2[0] = 1.1;
a1[(x >> 16) * 21] = 1.39064994160909e-309; // 0xffff00000000
a1[(x >> 16) * 41] = 8.91238232205e-313; // 0x2a00000000
}
var a1, a2;
var a3 = [1.1, 2.2];
a3.length = 0x11000;
a3.fill(3.3);
var a4 = [1.1];
for (let i = 0; i < 3; i++) fun(...a4);
%OptimizeFunctionOnNextCall(fun);
fun(...a4);
res = fun(...a3);
assertEquals(16, a2.length);
for (let i = 8; i < 32; i++) {
assertEquals(undefined, a2[i]);
}