v8/test/mjsunit/regress/regress-crbug-944435.js
Mike Stanton 539017b0b6 [Builtins] Make it harder to store signalling NaNs in Torque/CSA
The bottlenecks to prevent storing signalling NaNs in backing stores
were not perfect. This change makes it harder by ensuring that all
the Torque-side "[]=" operator overloads for FixedDoubleArray stores
have signalling NaNs silenced.

Bug: chromium:944435
Change-Id: I295d9b34f4c896db30989bb9db1a2b452daa03ae
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1538517
Reviewed-by: Sigurd Schneider <sigurds@chromium.org>
Commit-Queue: Michael Stanton <mvstanton@chromium.org>
Cr-Commit-Position: refs/heads/master@{#60459}
2019-03-26 10:22:50 +00:00

39 lines
546 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: --verify-heap --expose-gc
function foo( ) {
return [
0,
1,
2,
3,
4,
5,
6,
7,
8,
9,
10,
0x1000000,
0x40000000,
12,
60,
100,
1000 * 60 * 60 * 24].map(Math.asin);
}
let b = [];
b.constructor = {};
b.constructor[Symbol.species] = function() {};
let a = [];
for (let i = 0; i < 10; i++) {
a.push(foo());
gc();
gc();
gc();
}