tests/compiler/dart2js_extra/deferred/default_arg_is_tearoff_lib.dart

// 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.

defaultArg() => "";
myFunction([argumentName = defaultArg]) => argumentName();