From f02f5d07d19589e8db52b70c821c022da2261eb1 Mon Sep 17 00:00:00 2001
From: Giles Bathgate <giles.bathgate@gmail.com>
Date: Wed, 28 Apr 2021 17:53:41 +0100
Subject: [PATCH] Fix dereference after null in Triangulation_data_structure.h

---
 TDS_3/include/CGAL/Triangulation_data_structure_3.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/TDS_3/include/CGAL/Triangulation_data_structure_3.h b/TDS_3/include/CGAL/Triangulation_data_structure_3.h
index b3927cf03ae..1b14fbb03cd 100644
--- a/TDS_3/include/CGAL/Triangulation_data_structure_3.h
+++ b/TDS_3/include/CGAL/Triangulation_data_structure_3.h
@@ -1924,7 +1924,7 @@ create_star_2(Vertex_handle v, Cell_handle c, int li )
     // pnew is null at the first iteration
     v1->set_cell(cnew);
     //pnew->set_neighbor( cw(pnew->index(v1)), cnew );
-    if (pnew != Cell_handle()) { pnew->set_neighbor( 1, cnew );}
+    if (pnew != nullptr) { pnew->set_neighbor( 1, cnew );}
 
     bound = cur;
     i1 = ccw(i1);