pkg/front_end/testcases/inference/block_bodied_lambdas_downwards_incompatible_with_upwards_inference.dart

// 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;

main() {
  String f() => null;
  var /*@ type=() ->* String* */ g = f;
  g = /*@ returnType=String* */ () {
    return /*error:RETURN_OF_INVALID_TYPE*/ 1;
  };
}