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// Copyright (c) 2014, 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.
// Test that instanceof works correctly with type variables.
// @dart = 2.9
import "package:expect/expect.dart";
class A {}
class B<T, S> {}
class C<U, V> extends A with B<V, U> {}
class D<T> {
foo(x) {
// Avoid inlining.
if (new == 42) foo(x);
return x is T;
return true; // Avoid inlining.
main() {
Expect.isTrue(new D<B<int, bool>>().foo(new C<bool, int>()));