| // Copyright 2018 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. | |
| // Previously, spreading in-object properties would always treat double fields | |
| // as tagged, potentially dereferencing a Float64. | |
| function inobjectDouble() { | |
| "use strict"; | |
| this.x = -3.9; | |
| } | |
| const instance = new inobjectDouble(); | |
| const clone = { ...instance, }; |