Merge pull request #15673 from tamiko/fix_warning

matrix_free/fe_evaluation.h: avoid a warning with g++-13

include/deal.II/matrix_free/fe_evaluation.h

@@ -3917,7 +3917,11 @@ FEEvaluationBase<dim, n_components_, Number, is_face, VectorizedArrayType>::
     }
 
   std::array<unsigned int, n_lanes> dof_indices;
+  std::fill(dof_indices.begin(),
+            dof_indices.end(),
+            numbers::invalid_unsigned_int);
 
+  Assert(n_filled_lanes <= n_lanes, ExcInternalError());
   for (unsigned int v = 0; v < n_filled_lanes; ++v)
     {
       Assert(mask[v] == false || cells[v] != numbers::invalid_unsigned_int,
@@ -3929,13 +3933,8 @@ FEEvaluationBase<dim, n_components_, Number, is_face, VectorizedArrayType>::
               ->component_dof_indices_offset[this->active_fe_index]
                                             [this->first_selected_component] *
             dof_info.dof_indices_interleave_strides[ind][cells[v]];
-      else
-        dof_indices[v] = numbers::invalid_unsigned_int;
     }
 
-  for (unsigned int v = n_filled_lanes; v < n_lanes; ++v)
-    dof_indices[v] = numbers::invalid_unsigned_int;
-
   // In the case with contiguous cell indices, we know that there are no
   // constraints and that the indices within each element are contiguous
   if (use_vectorized_path)