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// 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 It is a compile-time error if a parameterized type [T] is
* super-bounded when it is used in any of the following ways:
* [T] is an immediate subterm of a new expression (16.15.1) or a constant
* object expression
* @description Checks that compile error is thrown when not well-bounded
* parametrized type is used in the constant object expression with [is]
* constructions.
* @author iarkh@unipro.ru
*/
class A<T extends A<T>> {}
main() {
bool b1 = 1 is A<int>;
// ^
// [cfe] Type argument 'int' doesn't conform to the bound 'A<T>' of the type variable 'T' on 'A'.
// ^^^
// [analyzer] COMPILE_TIME_ERROR.TYPE_ARGUMENT_NOT_MATCHING_BOUNDS
bool b2 = 1 is A<A<int>>;
// ^^^^^^
// [analyzer] unspecified
// [cfe] unspecified
}