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// Copyright (c) 2012, 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
// From Dart Language Specification, 0.12 M1, "7.6.2 Factories": It is
// a compile-time error if a redirecting factory constructor does not
// redirect to a non-redirecting factory constructor or to a
// generative constructor in a finite number of steps.
// TODO(ahe): The above specification will probably change to
// something like: "It is a compile-time error if a redirecting
// factory constructor redirects to itself, either directly or
// indirectly via a sequence of redirections."
class Foo extends Bar {
factory Foo() = Bar; //# 01: compile-time error
}
class Bar {
factory Bar() = Foo; //# 02: compile-time error
}
main() {
new Foo();
}