diff --git a/src/testdir/test_autocmd.vim b/src/testdir/test_autocmd.vim
index d0564f3..49388a1 100644
--- a/src/testdir/test_autocmd.vim
+++ b/src/testdir/test_autocmd.vim
@@ -769,10 +769,14 @@
   bwipe!
   call assert_equal(1, line('$'))
   call assert_equal('', bufname('%'))
-  call assert_equal(1, len(getbufinfo()))
+  let g:bufinfo = getbufinfo()
+  call assert_equal(1, len(g:bufinfo))
 
   call delete('Xxx1')
   call delete('Xxx2')
   %bwipe
   au! BufLeave
+
+  " check that bufinfo doesn't contain a pointer to freed memory
+  call test_garbagecollect_now()
 endfunc