From b1403e7d44819587cb4d622fb732c692bbdcca1c Mon Sep 17 00:00:00 2001
From: David Bürgin <676c7473@gmail.com>
Date: Thu, 14 May 2015 20:02:29 +0200
Subject: vim-patch:7.4.597 #2658

Problem:    Cannot change the result of systemlist().
Solution:   Initialize v_lock. (Yukihiro Nakadaira)

https://github.com/vim/vim/commit/v7-4-597

See https://groups.google.com/d/msg/vim_dev/WXCfHMeqjfk/n2PjNwZ2bzIJ
---
 src/nvim/eval.c    | 2 ++
 src/nvim/version.c | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/nvim/eval.c b/src/nvim/eval.c
index 16b368c555..d309b908f1 100644
--- a/src/nvim/eval.c
+++ b/src/nvim/eval.c
@@ -4790,6 +4790,7 @@ list_free (
 
 /*
  * Allocate a list item.
+ * It is not initialized, don't forget to set v_lock.
  */
 listitem_T *listitem_alloc(void) FUNC_ATTR_NONNULL_RET
 {
@@ -14930,6 +14931,7 @@ static list_T* string_to_list(char_u *str, size_t len, bool keepempty)
 
     listitem_T  *li = listitem_alloc();
     li->li_tv.v_type = VAR_STRING;
+    li->li_tv.v_lock = 0;
     li->li_tv.vval.v_string = s;
     list_append(list, li);
   }
diff --git a/src/nvim/version.c b/src/nvim/version.c
index 0362eb56d1..3a95e9373a 100644
--- a/src/nvim/version.c
+++ b/src/nvim/version.c
@@ -203,7 +203,7 @@ static int included_patches[] = {
   //600,
   599,
   //598,
-  //597,
+  597,
   //596 NA
   595,
   594,
-- 
cgit