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// Copyright (c) 2018, 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.
// Regression test. Crash occurred when trying to create a signature function
// for the non-live 'call' method on the live class 'A'.
import 'package:expect/expect.dart';
class A<T> {
/// Weird signature to ensure it isn't match by any call selector.
call(a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, {T? t}) {}
class B<T> {
m(f) => f is Function(T);
create() => new B<A<int>>();
main() {
var o = create();
new A();
Expect.isTrue(o.m((A<int> i) => i));
Expect.isFalse(o.m((A<String> i) => i));