From 39b8944539a9cde553fe709e535fdfd37d0f9307 Mon Sep 17 00:00:00 2001
From: Bram Moolenaar <Bram@vim.org>
Date: Sat, 22 Jan 2022 18:21:36 +0000
Subject: patch 8.2.4182: memory leak when evaluating 'diffexpr'

Problem:    Memory leak when evaluating 'diffexpr'.
Solution:   Use free_tv() instead of clear_tv().
---
 src/evalvars.c | 2 +-
 src/version.c  | 2 ++
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/evalvars.c b/src/evalvars.c
index a1d2b9b49b..9dbdc75c0c 100644
--- a/src/evalvars.c
+++ b/src/evalvars.c
@@ -429,7 +429,7 @@ eval_diff(
 
     // errors are ignored
     tv = eval_expr(p_dex, NULL);
-    clear_tv(tv);
+    free_tv(tv);
 
     set_vim_var_string(VV_FNAME_IN, NULL, -1);
     set_vim_var_string(VV_FNAME_NEW, NULL, -1);
diff --git a/src/version.c b/src/version.c
index cc5c10167d..fcf40bdb2d 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 */
+/**/
+    4182,
 /**/
     4181,
 /**/
-- 
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