From 8a1962d1355096af55e84b1ea2f0baf5f1c5a5bc Mon Sep 17 00:00:00 2001
From: Bram Moolenaar <Bram@vim.org>
Date: Tue, 2 Nov 2021 22:48:49 +0000
Subject: [PATCH] patch 8.2.3574: divide by zero

Problem:    Divide by zero.
Solution:   Don't check for overflow if multiplicand is zero.
---
 src/register.c | 5 +++--
 src/version.c  | 2 ++
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/register.c b/src/register.c
index 29ae26bd48646..4160c03107fae 100644
--- a/src/register.c
+++ b/src/register.c
@@ -2014,8 +2014,9 @@ do_put(
 		long multlen = count * yanklen;
 
 		totlen = multlen;
-		if (totlen != multlen || totlen / count != yanklen
-						  || totlen / yanklen != count)
+		if (count != 0 && yanklen != 0
+			&& (totlen != multlen || totlen / count != yanklen
+						 || totlen / yanklen != count))
 		{
 		    emsg(_(e_resulting_text_too_long));
 		    break;
diff --git a/src/version.c b/src/version.c
index f60263f027859..98f666e6e405a 100644
--- a/src/version.c
+++ b/src/version.c
@@ -757,6 +757,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    3574,
 /**/
     3573,
 /**/