From 63b1a7d0cf6d192585c4929cff188e9c255c0a76 Mon Sep 17 00:00:00 2001
From: Jan Edmund Lazo <janedmundlazo@hotmail.com>
Date: Sat, 29 Sep 2018 00:41:02 -0400
Subject: vim-patch:8.0.1485: weird autocmd may cause arglist to be changed
 recursively

Problem:    Weird autocmd may cause arglist to be changed recursively.
Solution:   Prevent recursively changing the argument list. (Christian
            Brabandt, closes vim/vim#2472)
https://github.com/vim/vim/commit/9e33efd1523b85a70533930dd43a26925a2b648c
---
 src/nvim/ex_docmd.c | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'src/nvim/ex_docmd.c')

diff --git a/src/nvim/ex_docmd.c b/src/nvim/ex_docmd.c
index ad51de46ee..cec5431bbd 100644
--- a/src/nvim/ex_docmd.c
+++ b/src/nvim/ex_docmd.c
@@ -6536,6 +6536,13 @@ void alist_expand(int *fnum_list, int fnum_len)
 void alist_set(alist_T *al, int count, char_u **files, int use_curbuf, int *fnum_list, int fnum_len)
 {
   int i;
+  static int recursive = 0;
+
+  if (recursive) {
+    EMSG(_(e_au_recursive));
+    return;
+  }
+  recursive++;
 
   alist_clear(al);
   ga_grow(&al->al_ga, count);
@@ -6562,6 +6569,8 @@ void alist_set(alist_T *al, int count, char_u **files, int use_curbuf, int *fnum
 
   if (al == &global_alist)
     arg_had_last = FALSE;
+
+  recursive--;
 }
 
 /*
-- 
cgit