// Copyright (c) 2019, 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. | |
// SharedOptions=--enable-experiment=non-nullable | |
void f(Object x) { | |
if (x is String) { | |
x = 42; | |
x.length; //# none: compile-time error | |
} | |
} | |
void main() {} |