Add test for empty regions.
-- Copyright 2016 Stanford University
--
-- Licensed under the Apache License, Version 2.0 (the "License");
-- you may not use this file except in compliance with the License.
-- You may obtain a copy of the License at
--
--     http://www.apache.org/licenses/LICENSE-2.0
--
-- Unless required by applicable law or agreed to in writing, software
-- distributed under the License is distributed on an "AS IS" BASIS,
-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-- See the License for the specific language governing permissions and
-- limitations under the License.

import "regent"

-- This doesn't need to do anything in particular, but it shouldn't crash.

task main()
  var r = region(ispace(int1d, 0), int)
  regentlib.c.printf("success\n")
end
regentlib.start(main)