tests/language/getter/setter_type_test.dart

// Copyright (c) 2012, 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.
// Getters and setters can have different types, but it is a warning if the
// two types are not assignable.

int bar = 499;

int get foo => bar;
//      ^^^
// [analyzer] COMPILE_TIME_ERROR.GETTER_NOT_SUBTYPE_SETTER_TYPES
// [cfe] unspecified

void set foo(String str) {
  bar = str.length;
}

main() {
  int x = foo;
  foo = "1234";
}