// Copyright (c) 2017, 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. void main() { Object b = false; while (b) {} // ^ // [analyzer] COMPILE_TIME_ERROR.NON_BOOL_CONDITION // [cfe] A value of type 'Object' can't be assigned to a variable of type 'bool'. }