blob: ad6feaf9cc2a3b1ed5d8fb526ba63159b3335d4a [file] [log] [blame]
// Copyright (c) 2017, 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 = 2.9
class A {
void foo() {}
}
class B extends A {
// This class declaration violates soundness, since it allows `new
// B().foo(42)`, which would lead to invalid arguments being passed to A.foo.
void /*@compile-error=unspecified*/ foo([x]);
}
void f(B b) {
b.foo();
}
main() {
f(new B());
}