message: Use reference instead of value inside RemoveCeedBasisAndRestriction.
diff: @@ -270,7 +270,7 @@ void CeedAssembleDiagonalPA(const CeedData *ceedDataPtr,
  void RemoveCeedBasisAndRestriction(const FiniteElementSpace *fes)
  {
  #ifdef MFEM_USE_CEED
  - for (auto entry : internal::ceed_basis_map)
  + for (auto &entry : internal::ceed_basis_map)
  {
  if (std::get<0>(entry.first)==fes)
  {
  @@ -278,7 +278,7 @@ void RemoveCeedBasisAndRestriction(const FiniteElementSpace *fes)
  internal::ceed_basis_map.erase(entry.first);
  }
  }
  - for (auto entry : internal::ceed_restr_map)
  + for (auto &entry : internal::ceed_restr_map)
  {
  if (std::get<0>(entry.first)==fes)
  {
  