Fix a few gcc-9 warninigs in tests

diff --git a/tests/mpi/periodicity_06.cc b/tests/mpi/periodicity_06.cc
index 9c4b960eca47db03b7534a0fd5501ccfc5ca68f4..062649ce08fe493e5935a70127c83a1cfd18920f 100644 (file)
--- a/tests/mpi/periodicity_06.cc
+++ b/tests/mpi/periodicity_06.cc
@@ -134,7 +134,7 @@ test(const unsigned numRefinementLevels = 2)
               if (dist < 1e-08)
                 cell->set_refine_flag();
             }
-          catch (typename MappingQ1<dim>::ExcTransformationFailed)
+          catch (const typename MappingQ1<dim>::ExcTransformationFailed &)
             {}
         }
       triangulation.execute_coarsening_and_refinement();

diff --git a/tests/mpi/periodicity_07.cc b/tests/mpi/periodicity_07.cc
index d7d0cc47fee397ac1d2b1622afd9bfe8c5df8ed5..ba4d6c55c5eb58f29747a03ac990cd1fe45c9ccd 100644 (file)
--- a/tests/mpi/periodicity_07.cc
+++ b/tests/mpi/periodicity_07.cc
@@ -107,7 +107,7 @@ test(const unsigned numRefinementLevels = 2)
               if (dist < 1e-08)
                 cell->set_refine_flag();
             }
-          catch (typename MappingQ1<dim>::ExcTransformationFailed)
+          catch (const typename MappingQ1<dim>::ExcTransformationFailed &)
             {}
         }
       triangulation.execute_coarsening_and_refinement();