patch 8.2.4111: potential proglem when map is deleted while executingv8.2.4111

Problem:    Potential proglem when map is deleted while executing.
Solution:   Reset last used map pointer when deleting a mapping.

2 files changed, 5 insertions, 0 deletions

diff --git a/src/map.c b/src/map.c
index 181aa654b6..6ad938d7ed 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 b658ec7ae5..ec1ba92d14 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4111,
+/**/
     4110,
 /**/
     4109,