pkg/front_end/testcases/patterns/issue53092.dart - sdk - Git at Google

 // Copyright (c) 2023, 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.

 Iterable<dynamic> test(dynamic y) {
   return { for (var [x] in {...y}) x };
 }
	// Copyright (c) 2023, 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.

	Iterable<dynamic> test(dynamic y) {
	return { for (var [x] in {...y}) x };
	}