mirror of
https://github.com/nodejs/node.git
synced 2025-05-21 14:02:10 +00:00
e31f0a7d25
PR-URL: https://github.com/nodejs/node/pull/28918 Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl> Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Rich Trott <rtrott@gmail.com>
25 lines
617 B
JavaScript
25 lines
617 B
JavaScript
// Copyright 2016 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
|
|
|
|
var ab = new ArrayBuffer(8);
|
|
var i_view = new Int32Array(ab);
|
|
i_view[0] = %GetHoleNaNUpper();
|
|
i_view[1] = %GetHoleNaNLower();
|
|
var hole_nan = new Float64Array(ab)[0];
|
|
|
|
var array = [];
|
|
|
|
function write() {
|
|
array[0] = hole_nan;
|
|
};
|
|
%PrepareFunctionForOptimization(write);
|
|
write();
|
|
%OptimizeFunctionOnNextCall(write);
|
|
write();
|
|
array[1] = undefined;
|
|
assertTrue(isNaN(array[0]));
|
|
assertEquals("number", typeof array[0]);
|