dart-sdk/tests/dart2js/27199_test.dart
Joshua Litt f9f1ca6171 [dart2js] Create tests/dart2js for nnbd.
Change-Id: Ib8721cf976803d8d1b9d723b7e691e344c768b67
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/149881
Reviewed-by: Sigmund Cherem <sigmund@google.com>
Commit-Queue: Joshua Litt <joshualitt@google.com>
2020-06-09 16:53:15 +00:00

28 lines
838 B
Dart

// Copyright (c) 2016, 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 for http://dartbug.com/27199 in --checked mode.
// Typedefs must be unaliased at some point before codegen to have the correct
// number of references. The unaliased type of ItemListFilter<T> has two
// references to T: (Iterable<T>) -> Iterable<T>.
import 'package:expect/expect.dart';
typedef Iterable<T> ItemListFilter<T>(Iterable<T> items);
class C<T> {
Map<String, ItemListFilter<T>> f = {};
}
@pragma('dart2js:noInline')
@pragma('dart2js:assumeDynamic')
confuse(x) => x;
main() {
dynamic c = new C();
dynamic a = 12;
if (confuse(true)) a = <String, ItemListFilter>{};
c.f = a;
}