commit 8ab375706e6712308f8cf7529bcae56684a6f385
author Bram Moolenaar <Bram@vim.org> Wed Feb 03 21:56:59 2021 +0100
committer Bram Moolenaar <Bram@vim.org> Wed Feb 03 21:56:59 2021 +0100
tree 2bb4334168ae77eca7c116f89b84ecb1807871a4
parent 6bcb877ec19a647443195a54eeac60cb693fd827

patch 8.2.2464: using freed memory if window closed in autocommand

Problem:    Using freed memory if window closed in autocommand. (houyunsong)
Solution:   Check the window still exists.

src/testdir/test_autocmd.vim

diff --git a/src/testdir/test_autocmd.vim b/src/testdir/test_autocmd.vim
index 71f8d2d..b1a235c 100644
--- a/src/testdir/test_autocmd.vim
+++ b/src/testdir/test_autocmd.vim
@@ -2726,4 +2726,15 @@
   au! BufNew
 endfunc
 
+func Test_autocmd_closes_window()
+  au BufNew,BufWinLeave * e %e
+  file yyy
+  au BufNew,BufWinLeave * ball
+  call assert_fails('n xxx', 'E143:')
+
+  bwipe %
+  au! BufNew
+  au! BufWinLeave
+endfunc
+
 " vim: shiftwidth=2 sts=2 expandtab