message: Fix bug with not clearing all region state on commit
diff: -// Copyright 2009-2020 Intel Corporation
  +// Copyright 2009-2021 Intel Corporation
  // SPDX-License-Identifier: Apache-2.0
  #include "DistributedWorld.h"
  @@ -89,7 +89,10 @@ void DistributedWorld::commit()
  {
  World::commit();
  + allRegions.clear();
  myRegions.clear();
  + myRegionIds.clear();
  + regionOwners.clear();
  localRegions = getParamDataT<box3f>("region");
  if (localRegions) {
  @@ -135,8 +138,6 @@ void DistributedWorld::commit()
  void DistributedWorld::exchangeRegions()
  {
  - allRegions.clear();
  -
  // Exchange regions between the ranks in world to find which other
  // ranks may be sharing a region with this one, and the other regions
  // to expect to be rendered for each tile
  