From 54c972551e0df3e69af9602ca1452f7a33575052 Mon Sep 17 00:00:00 2001
From: Andreas Fabri <andreas.fabri@geometryfactory.com>
Date: Thu, 21 Aug 2025 13:50:34 +0100
Subject: [PATCH] Partition_2

---
 Partition_2/include/CGAL/partition_is_valid_2.h | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/Partition_2/include/CGAL/partition_is_valid_2.h b/Partition_2/include/CGAL/partition_is_valid_2.h
index caf9748a9a8..ce3f79b92e2 100644
--- a/Partition_2/include/CGAL/partition_is_valid_2.h
+++ b/Partition_2/include/CGAL/partition_is_valid_2.h
@@ -156,7 +156,11 @@ partition_is_valid_2 (InputIterator point_first, InputIterator point_last,
 #ifdef CGAL_PARTITION_CHECK_DEBUG
    int poly_num = 0;
    #endif
-   for (; poly_first != poly_last; poly_first++, poly_num++)
+   for (; poly_first != poly_last; poly_first++
+#ifdef CGAL_PARTITION_CHECK_DEBUG
+      , poly_num++
+#endif
+   )
    {
       vtx_begin = (*poly_first).vertices_begin();
       vtx_end = (*poly_first).vertices_end();