From ce2ff1ac0134d2b3b56eee1862d846e1fe9e4caf Mon Sep 17 00:00:00 2001
From: Jurica Bradaric <jbradaric@gmail.com>
Date: Tue, 2 Feb 2016 19:56:18 +0100
Subject: [PATCH] vim-patch:7.4.814

Problem:    Illegal memory access with "sy match a fold".
Solution:   Check for empty string. (Dominique Pelle)

https://github.com/vim/vim/commit/382197865ca8353a3d6681a364f95bda6aed95ec
---
 src/nvim/syntax.c  | 5 +++--
 src/nvim/version.c | 2 +-
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/nvim/syntax.c b/src/nvim/syntax.c
index 24422c71fb..e91ea68891 100644
--- a/src/nvim/syntax.c
+++ b/src/nvim/syntax.c
@@ -4843,9 +4843,10 @@ static char_u *get_syn_pattern(char_u *arg, synpat_T *ci)
   int idx;
   char_u      *cpo_save;
 
-  /* need at least three chars */
-  if (arg == NULL || arg[1] == NUL || arg[2] == NUL)
+  // need at least three chars
+  if (arg == NULL || arg[0] == NUL || arg[1] == NUL || arg[2] == NUL) {
     return NULL;
+  }
 
   end = skip_regexp(arg + 1, *arg, TRUE, NULL);
   if (*end != *arg) {                       /* end delimiter not found */
diff --git a/src/nvim/version.c b/src/nvim/version.c
index 31a839fd05..d554ec0c84 100644
--- a/src/nvim/version.c
+++ b/src/nvim/version.c
@@ -474,7 +474,7 @@ static int included_patches[] = {
   // 817,
   // 816,
   // 815,
-  // 814,
+  814,
   813,
   // 812,
   811,