// 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.


// It is an error if a potentially non-nullable local variable which has no
// initializer expression and is not marked `late` is used before it is
// definitely assigned.

f(bool b) {
  int v;
  while (true) {
    v = 0;
    if (b) break;
  }
  v;
}

void main() {}