From a10a23aae91a8356b36ac63f0917a556cfcaf976 Mon Sep 17 00:00:00 2001
From: zeertzjq <zeertzjq@outlook.com>
Date: Sat, 13 Aug 2022 15:49:33 +0800
Subject: vim-patch:8.2.0097: crash with autocommand and spellfile

Problem:    Crash with autocommand and spellfile. (Tim Pope)
Solution:   Do not pop exestack when not pushed. (closes vim/vim#5450)
https://github.com/vim/vim/commit/ce6db0273f2c4359f48d75103a42991aa481f14e
---
 src/nvim/testdir/test_autocmd.vim | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

(limited to 'src/nvim/testdir')

diff --git a/src/nvim/testdir/test_autocmd.vim b/src/nvim/testdir/test_autocmd.vim
index 1c2f86a584..89e3c9927b 100644
--- a/src/nvim/testdir/test_autocmd.vim
+++ b/src/nvim/testdir/test_autocmd.vim
@@ -2614,6 +2614,28 @@ func Test_BufWrite_lockmarks()
   call delete('Xtest2')
 endfunc
 
+func Test_FileType_spell()
+  if !isdirectory('/tmp')
+    throw "Skipped: requires /tmp directory"
+  endif
+
+  " this was crashing with an invalid free()
+  setglobal spellfile=/tmp/en.utf-8.add
+  augroup crash
+    autocmd!
+    autocmd BufNewFile,BufReadPost crashfile setf somefiletype
+    autocmd BufNewFile,BufReadPost crashfile set ft=anotherfiletype
+    autocmd FileType anotherfiletype setlocal spell
+  augroup END
+  func! NoCrash() abort
+    edit /tmp/crashfile
+  endfunc
+  call NoCrash()
+
+  au! crash
+  setglobal spellfile=
+endfunc
+
 " Test closing a window or editing another buffer from a FileChangedRO handler
 " in a readonly buffer
 func Test_FileChangedRO_winclose()
-- 
cgit