From 955347cc7e78352a5d49540573ae958ad45e6386 Mon Sep 17 00:00:00 2001
From: Bram Moolenaar <Bram@vim.org>
Date: Mon, 19 Oct 2020 23:01:46 +0200
Subject: [PATCH] patch 8.2.1869: Vim9: memory leak when using add()

Problem:    Vim9: memory leak when using add().
Solution:   Free the added item.
---
 src/version.c     | 2 ++
 src/vim9execute.c | 1 +
 2 files changed, 3 insertions(+)

diff --git a/src/version.c b/src/version.c
index 90ab88ab6..a0bc13546 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 */
+/**/
+    1869,
 /**/
     1868,
 /**/
diff --git a/src/vim9execute.c b/src/vim9execute.c
index 7a5871a7f..115212fdc 100644
--- a/src/vim9execute.c
+++ b/src/vim9execute.c
@@ -2308,6 +2308,7 @@ call_def_function(
 		    }
 		    if (list_append_tv(l, tv2) == FAIL)
 			goto failed;
+		    clear_tv(tv2);
 		    --ectx.ec_stack.ga_len;
 		}
 		break;