patch 9.0.0965: using one window for executing autocommands is insufficient
Problem: Using one window for executing autocommands is insufficient.
Solution: Use up to five windows for executing autocommands.
diff --git a/src/testdir/test_autocmd.vim b/src/testdir/test_autocmd.vim
index a0d83ec..593e568 100644
--- a/src/testdir/test_autocmd.vim
+++ b/src/testdir/test_autocmd.vim
@@ -4068,4 +4068,27 @@
call delete('Xerr')
endfunc
+" This was crashing because there was only one window to execute autocommands
+" in.
+func Test_autocmd_nested_setbufvar()
+ CheckFeature python3
+
+ set hidden
+ edit Xaaa
+ edit Xbbb
+ call setline(1, 'bar')
+ enew
+ au BufWriteCmd Xbbb ++nested call setbufvar('Xaaa', '&ft', 'foo') | bw! Xaaa
+ au FileType foo call py3eval('vim.current.buffer.options["cindent"]')
+ wall
+
+ au! BufWriteCmd
+ au! FileType foo
+ set nohidden
+ call delete('Xaaa')
+ call delete('Xbbb')
+ %bwipe!
+endfunc
+
+
" vim: shiftwidth=2 sts=2 expandtab