| // 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]); |
