// 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.

/// @assertion
///    typeParameter ::= metadata identifier (extends typeNotVoid)?
///    typeParameters ::= ‘<’ typeParameter (‘,’ typeParameter)* ‘>’
/// ...
/// If no extends clause is present, the upper bound is Object.
/// @description Checks that the upper bound is [Object] if [extends] clause is
/// absent.
/// @author iarkh@unipro.ru


class A {}
class B extends A {}
class C extends B {}

void func<T>() {}

main() {
  func();
  func<A>();
  func<B>();
  func<C>();
  func<Object>();
}