From c5c8a821341b71ae29786c97df7930a9581f7ab7 Mon Sep 17 00:00:00 2001
From: Grzegorz Milka <grzegorzmilka@gmail.com>
Date: Sun, 23 Oct 2016 00:25:16 +0200
Subject: vim-patch:7.4.2309

Problem:    Crash when doing tabnext in a BufUnload autocmd. (Dominique Pelle)
Solution:   When detecting that the tab page changed, don't just abort but
            delete the window where w_buffer is NULL.

https://github.com/vim/vim/commit/11fbc2866ccc11b4dd1726abdaf582a78ef3f743
---
 src/nvim/testdir/test_tabpage.vim | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'src/nvim/testdir/test_tabpage.vim')

diff --git a/src/nvim/testdir/test_tabpage.vim b/src/nvim/testdir/test_tabpage.vim
index f1c41e967b..7bdea0b186 100644
--- a/src/nvim/testdir/test_tabpage.vim
+++ b/src/nvim/testdir/test_tabpage.vim
@@ -218,4 +218,18 @@ function Test_tabpage_with_tab_modifier()
   bw!
 endfunction
 
+func Test_tabnext_on_buf_unload()
+  " This once caused a crash
+  new
+  tabedit
+  tabfirst
+  au BufUnload <buffer> tabnext
+  q
+
+  while tabpagenr('$') > 1
+    quit
+  endwhile
+endfunc
+
+
 " vim: shiftwidth=2 sts=2 expandtab
-- 
cgit