// Copyright (c) 2020, 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.

/// @assertion Tearing off a method from a receiver of static type Never produces
/// a value of type Never.
///
/// @description Checks that tearing off a method from a receiver of static type
/// Never produces a value of type Never.
/// @issue 41273
/// @author sgrekhov@unipro.ru

// Requirements=nnbd-weak

void test(var x) {
  if (x is Never) {
    Never n1 = x.toString;
    Never n2 = x.someMethod;
  }
}

main() {
  test(null);
}
