// 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.

// This test checks that instantiate to bound provides type arguments to raw
// typedef types that are themselves used as type arguments of literal maps.

typedef A<T extends num>(T p);

var a = <A, A>{};

main() {}
