# HG changeset patch
# User Bram Moolenaar <Bram@vim.org>
# Date 1569677403 -7200
# Node ID f31b0ac6e1754fb466fd4d6bf734c22e6e0f533b
# Parent  f881dda47df24da58d0309587e4bcd72a7bcd281
patch 8.1.2091: double free when memory allocation fails

Commit: https://github.com/vim/vim/commit/0f1c6708fdf17bb9c7305b8af5d12189956195b6
Author: Bram Moolenaar <Bram@vim.org>
Date:   Sat Sep 28 15:24:00 2019 +0200

    patch 8.1.2091: double free when memory allocation fails

    Problem:    Double free when memory allocation fails. (Zu-Ming Jiang)
    Solution:   Use VIM_CLEAR() instead of vim_free(). (closes https://github.com/vim/vim/issues/4991)

diff --git a/src/getchar.c b/src/getchar.c
--- a/src/getchar.c
+++ b/src/getchar.c
@@ -1296,11 +1296,11 @@ free_typebuf(void)
     if (typebuf.tb_buf == typebuf_init)
 	internal_error("Free typebuf 1");
     else
-	vim_free(typebuf.tb_buf);
+	VIM_CLEAR(typebuf.tb_buf);
     if (typebuf.tb_noremap == noremapbuf_init)
 	internal_error("Free typebuf 2");
     else
-	vim_free(typebuf.tb_noremap);
+	VIM_CLEAR(typebuf.tb_noremap);
 }
 
 /*
diff --git a/src/version.c b/src/version.c
--- a/src/version.c
+++ b/src/version.c
@@ -758,6 +758,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2091,
+/**/
     2090,
 /**/
     2089,