// Copyright (c) 2011, 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.

/// @assertion The scope of a label that labels a statement s is s. The scope of
/// a label that labels a case clause of a switch statement s is s.
/// @description Checks that separate (not nested) statements may have labels
/// with the same name.
/// @author rodionov


foo() {}

main() {
  Label: var x;
  Label: x = foo();
  Label: for (int i in [1,2]) {}
  Label: try {} catch (ok) {}
  Label: {}
}
