v8/test/mjsunit/regress/regress-undefined-nan.js
Benedikt Meurer 9eace97bba Use signaling NaN for holes in fixed double arrays.
TEST=mjsunit,cctest,unittests
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/863633002

Cr-Commit-Position: refs/heads/master@{#26180}
2015-01-21 08:52:25 +00:00

26 lines
714 B
JavaScript

// Copyright 2015 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 loader(dst, src, i) {
dst[i] = src[i];
}
var ab = new ArrayBuffer(8);
var i_view = new Int32Array(ab);
i_view[0] = 0xFFF7FFFF;
i_view[1] = 0xFFF7FFFF;
var f_view = new Float64Array(ab);
var fixed_double_elements = new Float64Array(1);
fixed_double_elements[0] = f_view[0];
var doubles = [0.5];
loader(doubles, fixed_double_elements, 0);
loader(doubles, fixed_double_elements, 0);
%OptimizeFunctionOnNextCall(loader);
loader(doubles, fixed_double_elements, 0);
assertTrue(doubles[0] !== undefined);