From 8d5cfe4ffcb44a924ba370a10c98ba089f018e2e Mon Sep 17 00:00:00 2001
From: Jurica Bradaric <jbradaric@gmail.com>
Date: Tue, 2 Feb 2016 20:24:30 +0100
Subject: [PATCH] vim-patch:7.4.820

Problem:    Invalid memory access in file_pat_to_reg_pat.
Solution:   Avoid looking before the start of a string. (Dominique Pelle)

https://github.com/vim/vim/commit/8fee878fe277ec1b1b833ba6e5db679151f7982f
---
 src/nvim/fileio.c  | 7 ++++---
 src/nvim/version.c | 2 +-
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/src/nvim/fileio.c b/src/nvim/fileio.c
index 355fddfdbb..8fe7ad0e30 100644
--- a/src/nvim/fileio.c
+++ b/src/nvim/fileio.c
@@ -7160,10 +7160,11 @@ char_u * file_pat_to_reg_pat(
   else
     reg_pat[i++] = '^';
   endp = pat_end - 1;
-  if (*endp == '*') {
-    while (endp - pat > 0 && *endp == '*')
+  if (endp >= pat && *endp == '*') {
+    while (endp - pat > 0 && *endp == '*') {
       endp--;
-    add_dollar = FALSE;
+    }
+    add_dollar = false;
   }
   for (p = pat; *p && nested >= 0 && p <= endp; p++) {
     switch (*p) {
diff --git a/src/nvim/version.c b/src/nvim/version.c
index 45a96c427b..fc526cc953 100644
--- a/src/nvim/version.c
+++ b/src/nvim/version.c
@@ -468,7 +468,7 @@ static int included_patches[] = {
   823,
   // 822,
   // 821,
-  // 820,
+  820,
   // 819,
   // 818,
   817,