pkg/_fe_analyzer_shared/test/flow_analysis/nullability/data/potentially_mutated_in_closure.dart

// 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.

f(int? a, int? b) {
  localFunction() {
    a = b;
  }

  if (a == null) {
    a;
    localFunction();
    a;
  }
}