| // 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. | 
 |  | 
 | // Formatting can break multitests, so don't format them. | 
 | // dart format off | 
 |  | 
 | class X { | 
 |   final x; | 
 |   const X(this.x); | 
 | } | 
 |  | 
 | void main() { | 
 |   print(const X(1 << -1).x);  //# 01: compile-time error | 
 |   print(const X(1 >> -1).x);  //# 02: compile-time error | 
 |   print(const X(1 % 0).x);    //# 03: compile-time error | 
 |   print(const X(1 ~/ 0).x);   //# 04: compile-time error | 
 | } |