From d648c01f2f3798a5c75422aa83211928ad783128 Mon Sep 17 00:00:00 2001
From: Bram Moolenaar <Bram@vim.org>
Date: Sun, 16 Jan 2022 14:58:34 +0000
Subject: [PATCH] patch 8.2.4111: potential proglem when map is deleted while
 executing

Problem:    Potential proglem when map is deleted while executing.
Solution:   Reset last used map pointer when deleting a mapping.
---
 src/map.c     | 3 +++
 src/version.c | 2 ++
 2 files changed, 5 insertions(+)

diff --git a/src/map.c b/src/map.c
index 181aa654b..6ad938d7e 100644
--- a/src/map.c
+++ b/src/map.c
@@ -85,6 +85,9 @@ map_free(mapblock_T **mpp)
     vim_free(mp->m_orig_str);
     *mpp = mp->m_next;
     vim_free(mp);
+#ifdef FEAT_EVAL
+    reset_last_used_map();
+#endif
 }
 
 /*
diff --git a/src/version.c b/src/version.c
index b658ec7ae..ec1ba92d1 100644
--- a/src/version.c
+++ b/src/version.c
@@ -750,6 +750,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    4111,
 /**/
     4110,
 /**/