From 64a64e1a8ac0cf03700743fbd92b3159c2be8f75 Mon Sep 17 00:00:00 2001
From: Andreas Fabri <andreas.fabri@geometryfactory.com>
Date: Wed, 13 Oct 2021 23:11:56 +0100
Subject: [PATCH] Add a makeCopy()

---
 CGAL_Core/include/CGAL/CORE/BigInt.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/CGAL_Core/include/CGAL/CORE/BigInt.h b/CGAL_Core/include/CGAL/CORE/BigInt.h
index 8b2444d1da3..2a35194c519 100644
--- a/CGAL_Core/include/CGAL/CORE/BigInt.h
+++ b/CGAL_Core/include/CGAL/CORE/BigInt.h
@@ -505,6 +505,7 @@ inline void getKaryExpo(const BigInt& z, BigInt& m, int& e, unsigned long uk) {
     BigInt k(uk), q, r;
     e = 0;
     m = z;
+    m.makeCopy();
     for(;;) {
         divide_qr(m.get_mp(), k.get_mp(), q.get_mp(), r.get_mp());
         if (!r.get_mp().is_zero()) break;