From ab9fc7e0cf22bcee119b62d3433cac60f405e645 Mon Sep 17 00:00:00 2001
From: Bram Moolenaar <Bram@vim.org>
Date: Sat, 6 Feb 2016 15:29:40 +0100
Subject: [PATCH] patch 7.4.1266 Problem:    A BufAdd autocommand may cause an
 ml_get error (Christian             Brabandt) Solution:   Increment
 RedrawingDisabled earlier.

---
 src/ex_cmds.c | 12 +++++++++---
 src/version.c |  2 ++
 2 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/src/ex_cmds.c b/src/ex_cmds.c
index 3efdf8bbbb..78d9f95613 100644
--- a/src/ex_cmds.c
+++ b/src/ex_cmds.c
@@ -3268,6 +3268,7 @@ do_ecmd(
     int		did_get_winopts = FALSE;
 #endif
     int		readfile_flags = 0;
+    int		did_inc_redrawing_disabled = FALSE;
 
     if (eap != NULL)
 	command = eap->do_ecmd_cmd;
@@ -3600,6 +3601,11 @@ do_ecmd(
 	oldbuf = (flags & ECMD_OLDBUF);
     }
 
+    /* Don't redraw until the cursor is in the right line, otherwise
+     * autocommands may cause ml_get errors. */
+    ++RedrawingDisabled;
+    did_inc_redrawing_disabled = TRUE;
+
 #ifdef FEAT_AUTOCMD
     buf = curbuf;
 #endif
@@ -3697,9 +3703,6 @@ do_ecmd(
 /*
  * If we get here we are sure to start editing
  */
-    /* don't redraw until the cursor is in the right line */
-    ++RedrawingDisabled;
-
     /* Assume success now */
     retval = OK;
 
@@ -3899,6 +3902,7 @@ do_ecmd(
 #endif
 
     --RedrawingDisabled;
+    did_inc_redrawing_disabled = FALSE;
     if (!skip_redraw)
     {
 	n = p_so;
@@ -3933,6 +3937,8 @@ do_ecmd(
 #endif
 
 theend:
+    if (did_inc_redrawing_disabled)
+	--RedrawingDisabled;
 #ifdef FEAT_AUTOCMD
     if (did_set_swapcommand)
 	set_vim_var_string(VV_SWAPCOMMAND, NULL, -1);
diff --git a/src/version.c b/src/version.c
index 42cbad4e54..51f0503c69 100644
--- a/src/version.c
+++ b/src/version.c
@@ -742,6 +742,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1266,
 /**/
     1265,
 /**/