diff --git a/src/testdir/test_window_cmd.vim b/src/testdir/test_window_cmd.vim
index 925cfcc..69b139f 100644
--- a/src/testdir/test_window_cmd.vim
+++ b/src/testdir/test_window_cmd.vim
@@ -472,4 +472,15 @@
   exe "norm! v\<C-W>:\<C-U>echo v:version"
 endfunc
 
+func Test_access_freed_mem()
+  " This was accessing freed memory
+  au * 0 vs xxx
+  arg 0
+  argadd
+  all
+  all
+  au!
+  bwipe xxx
+endfunc
+
 " vim: shiftwidth=2 sts=2 expandtab