|  | // 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. | 
|  |  | 
|  | class Supertype { | 
|  | factory Supertype() = Unresolved; | 
|  | //                    ^^^^^^^^^^ | 
|  | // [analyzer] COMPILE_TIME_ERROR.REDIRECT_TO_NON_CLASS | 
|  | // [cfe] Couldn't find constructor 'Unresolved'. | 
|  | //                    ^ | 
|  | // [cfe] Redirection constructor target not found: 'Unresolved' | 
|  | factory Supertype() = Unresolved; | 
|  | //        ^^^^^^^^^ | 
|  | // [analyzer] COMPILE_TIME_ERROR.DUPLICATE_CONSTRUCTOR | 
|  | //        ^ | 
|  | // [cfe] 'Supertype' is already declared in this scope. | 
|  | //                      ^^^^^^^^^^ | 
|  | // [analyzer] COMPILE_TIME_ERROR.REDIRECT_TO_NON_CLASS | 
|  | // [cfe] Couldn't find constructor 'Unresolved'. | 
|  | //                      ^ | 
|  | // [cfe] Redirection constructor target not found: 'Unresolved' | 
|  | } | 
|  |  | 
|  | main() { | 
|  | print(new Supertype()); | 
|  | //        ^ | 
|  | // [cfe] Can't use 'Supertype' because it is declared more than once. | 
|  | } |