fix the UBSAN error

``` include/CGAL/Poisson_reconstruction_function.h:263:70: runtime error: reference binding to null pointer of type 'struct value_type' ```
CGAL · Jun 5, 2024 · 693206c · 693206c
1 parent 7173974
commit 693206c
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/Poisson_surface_reconstruction_3/include/CGAL/Poisson_reconstruction_function.h b/Poisson_surface_reconstruction_3/include/CGAL/Poisson_reconstruction_function.h
@@ -260,7 +260,10 @@ class Poisson_reconstruction_function
 
     Cell_handle get() const
     {
-      return Triangulation_data_structure::Cell_range::s_iterator_to(*m_cell);
+      if(m_cell == nullptr)
+        return {};
+      else
+        return Triangulation_data_structure::Cell_range::s_iterator_to(*m_cell);
     }
     void set (Cell_handle ch) { m_cell = ch.operator->(); }
   };