// 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.

void f0(this.x) {}  /// 0: compile-time error

void f1(int g(this.x)) {}  /// 1: compile-time error

void f2(int g(int this.x)) {}  /// 2: compile-time error

class C {
  C();
  var x;
  void f3(int g(this.x)) {}  /// 3: compile-time error
  C.f4(int g(this.x));  /// 4: compile-time error
}

main() {
  f0(null);  /// 0: continued
  f1(null);  /// 1: continued
  f2(null);  /// 2: continued
  C c = new C();
  c.f3(null);  /// 3: continued
  new C.f4(null);  /// 4: continued
}

