v8/test/mjsunit/array-push-hole-double.js

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// 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
[1].push(1);
(function PushHoleBitPattern() {
function g(src, dst, i) {
dst[i] = src[i];
}
var b = new ArrayBuffer(8);
var i32 = new Int32Array(b);
i32[0] = 0xFFF7FFFF;
i32[1] = 0xFFF7FFFF;
var f64 = new Float64Array(b);
var a = [,2.5];
a.push(f64[0]);
assertTrue(Number.isNaN(a[2]));
})();