From 55008aad50601cae079037fda8fb434cde70c0f4 Mon Sep 17 00:00:00 2001
From: Bram Moolenaar <Bram@vim.org>
Date: Sun, 1 Sep 2019 20:21:56 +0200
Subject: patch 8.1.1962: leaking memory when using tagfunc()

Problem:    Leaking memory when using tagfunc().
Solution:   Free the user_data. (Dominique Pelle, closes #4886)
---
 src/version.c | 2 ++
 src/window.c  | 4 +++-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/version.c b/src/version.c
index 6b30e7cf5..7fd13b802 100644
--- a/src/version.c
+++ b/src/version.c
@@ -761,6 +761,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1962,
 /**/
     1961,
 /**/
diff --git a/src/window.c b/src/window.c
index 6f27c5c14..4abceb4d9 100644
--- a/src/window.c
+++ b/src/window.c
@@ -4892,8 +4892,10 @@ win_free(
     win_free_lsize(wp);
 
     for (i = 0; i < wp->w_tagstacklen; ++i)
+    {
 	vim_free(wp->w_tagstack[i].tagname);
-
+	vim_free(wp->w_tagstack[i].user_data);
+    }
     vim_free(wp->w_localdir);
 
     /* Remove the window from the b_wininfo lists, it may happen that the
-- 
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