From 92959fa46d305ded1da433ad6d9a8d38db240c74 Mon Sep 17 00:00:00 2001
From: Bram Moolenaar <Bram@vim.org>
Date: Wed, 4 Jul 2018 22:12:25 +0200
Subject: [PATCH] patch 8.1.0148: memory leak when using :tcl expr command

Problem:    Memory leak when using :tcl expr command.
Solution:   Free the result of expression evaluation. (Dominique Pelle,
            closes #3150)
---
 src/if_tcl.c  | 3 +++
 src/version.c | 2 ++
 2 files changed, 5 insertions(+)

diff --git a/src/if_tcl.c b/src/if_tcl.c
index 690c6392b..9ecabf84c 100644
--- a/src/if_tcl.c
+++ b/src/if_tcl.c
@@ -1385,7 +1385,10 @@ tclvimexpr(
     if (str == NULL)
 	Tcl_SetResult(interp, _("invalid expression"), TCL_STATIC);
     else
+    {
 	Tcl_SetResult(interp, str, TCL_VOLATILE);
+	vim_free(str);
+    }
     err = vimerror(interp);
 #else
     Tcl_SetResult(interp, _("expressions disabled at compile time"), TCL_STATIC);
diff --git a/src/version.c b/src/version.c
index 08a2e0409..156e8dcf3 100644
--- a/src/version.c
+++ b/src/version.c
@@ -789,6 +789,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    148,
 /**/
     147,
 /**/
-- 
2.50.1