| // 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. | 
 |  | 
 | // @dart = 2.9 | 
 |  | 
 | // Check for length overflow when eliminating write barriers for variable-length | 
 | // objects. | 
 | // | 
 | // VMOptions=--deterministic --optimization_counter_threshold=5 --optimization_level=3 | 
 |  | 
 | import "package:expect/expect.dart"; | 
 |  | 
 | List foo(int a) { | 
 |   if (a >= 100) { | 
 |     return List.filled(2305843009213693951, 1); | 
 |   } | 
 |   return null; | 
 | } | 
 |  | 
 | main() { | 
 |   for (int i = 0; i < 100; i++) { | 
 |     List x = foo(i); | 
 |     Expect.equals(null, x); | 
 |   } | 
 | } |