// Copyright (c) 2017, 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
/*@testedFeatures=inference*/
library test;

T f<T>() => null;

void test() {
  while (/*@ typeArgs=bool* */ f()) {
    var /*@ type=int* */ x = 0;
  }
}

main() {}