patch 9.0.0871: using freed memory when clearing augroup at more prompt
Problem: Using freed memory when clearing augroup at more prompt.
Solution: Delay clearing augroup until it's safe. (closes #11441)
diff --git a/src/testdir/test_autocmd.vim b/src/testdir/test_autocmd.vim
index 04f3e14..f2f3725 100644
--- a/src/testdir/test_autocmd.vim
+++ b/src/testdir/test_autocmd.vim
@@ -62,6 +62,7 @@
set updatetime=20
call timer_start(200, 'ExitInsertMode')
call feedkeys('a', 'x!')
+ sleep 30m
call assert_equal(1, g:triggered)
unlet g:triggered
au! CursorHoldI
@@ -2159,6 +2160,27 @@
unlet s:res
endfunc
+func Test_autocmd_user_clear_group()
+ CheckRunVimInTerminal
+
+ let lines =<< trim END
+ autocmd! User
+ for i in range(1, 999)
+ exe 'autocmd User ' .. 'Foo' .. i .. ' bar'
+ endfor
+ au CmdlineLeave : call timer_start(0, {-> execute('autocmd! User')})
+ END
+ call writefile(lines, 'XautoUser', 'D')
+ let buf = RunVimInTerminal('-S XautoUser', {'rows': 10})
+
+ " this was using freed memory
+ call term_sendkeys(buf, ":autocmd User\<CR>")
+ call TermWait(buf, 50)
+ call term_sendkeys(buf, "G")
+
+ call StopVimInTerminal(buf)
+endfunc
+
function s:Before_test_dirchanged()
augroup test_dirchanged
autocmd!