Files
sdk/pkg/compiler/test/rti/emission/dynamic_instance.dart
T
Joshua Litt eab26cd2bd [dart2js] Flip flag to defer class types.
Change-Id: Ia1f913a01f2be006158967b145db3ee34b297cfe
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/155660
Commit-Queue: Joshua Litt <joshualitt@google.com>
Reviewed-by: Sigmund Cherem <sigmund@google.com>
2020-08-17 20:25:09 +00:00

31 lines
689 B
Dart

// 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.
// @dart = 2.7
import 'package:expect/expect.dart';
/*class: B:checkedInstance,typeArgument*/
class B {}
/*class: C:checks=[],instance*/
class C {
@pragma('dart2js:noInline')
method1<T>(o) => method2<T>(o);
@pragma('dart2js:noInline')
method2<T>(o) => o is T;
}
/*class: D:checks=[$isB],instance*/
class D implements B {}
@pragma('dart2js:noInline')
test(o) => new C().method1<B>(o);
main() {
Expect.isTrue(test(new D()));
Expect.isFalse(test(null));
}