From 2e0bc5ec996531d83b865a4633b62d18207c10c5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=A9bastien=20Loriot?= <sebastien.loriot@cgal.org>
Date: Thu, 22 Dec 2022 11:02:27 +0100
Subject: [PATCH] Revert "Prevent_deref shall not return a reference to the
 iterator as it can be copied"

it seems to have dramatic consequences on the runtime when using Polyhedron in test_pmp_clip
for example.

This reverts commit 7c4123152b61c97613332973dc199644a4e625ab.
---
 STL_Extension/include/CGAL/iterator.h | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/STL_Extension/include/CGAL/iterator.h b/STL_Extension/include/CGAL/iterator.h
index acc6b5101a6..e395ab3c76f 100644
--- a/STL_Extension/include/CGAL/iterator.h
+++ b/STL_Extension/include/CGAL/iterator.h
@@ -43,8 +43,6 @@ class Prevent_deref
   Prevent_deref<I>
   , I // base
   , I // value
-  , boost::use_default
-  , I
   >
 {
 public:
@@ -52,8 +50,6 @@ public:
   Prevent_deref<I>
   , I // base
   , I // value
-  , boost::use_default
-  , I
   > Base;
   typedef typename Base::reference reference;
   typedef typename std::pair<I, I> range;