| // Copyright (c) 2018, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| // @dart = 2.7 |
| |
| // We used to always nullify the element type of a list we are tracing in |
| // the presence of a fixed length list constructor call. |
| |
| /*member: myList:Container([exact=JSExtendableArray], element: Union([exact=JSString], [subclass=JSNumber]), length: null)*/ |
| var myList = []; |
| |
| /*member: otherList:Container([exact=JSExtendableArray], element: Union([exact=JSString], [exact=JSUInt31]), length: 2)*/ |
| var otherList = ['foo', 42]; |
| |
| /*member: main:[null]*/ |
| main() { |
| dynamic a = otherList |
| /*Container([exact=JSExtendableArray], element: Union([exact=JSString], [exact=JSUInt31]), length: 2)*/ |
| [0]; |
| a /*invoke: Union([exact=JSString], [exact=JSUInt31])*/ += 54; |
| myList |
| . |
| /*invoke: Container([exact=JSExtendableArray], element: Union([exact=JSString], [subclass=JSNumber]), length: null)*/ |
| add(a); |
| } |