assert valid enum state

git-svn-id: https://svn.dealii.org/trunk@27420 0785d39b-7218-0410-832d-ea1e28bc413d

diff --git a/deal.II/source/grid/grid_out.cc b/deal.II/source/grid/grid_out.cc
index 7764bc00bc8c18a222f109cf5bd01221d248806f..de3414ff95b10b529eab6f7ceaa6e6ce9b5da39c 100644 (file)
--- a/deal.II/source/grid/grid_out.cc
+++ b/deal.II/source/grid/grid_out.cc
@@ -1183,6 +1183,8 @@ void GridOut::write_xfig (
        case GridOutFlags::XFig::level_subdomain_id:
                out << cell->level_subdomain_id() + 32;
                break;
+       default:
+         Assert(false, ExcInternalError());
        }
 
                                        // Depth, unused, fill