1. Emacs -q
2. M-x eshell
3. in eshell enter a git repository and eval 

(let ((eshell-buffer-maximum-lines 0))
    (eshell-truncate-buffer))

4. in eshell run 'git log -1 --stat'
5. run again 'git log -1 --stat'

Step 4 should output lots of ^M as in this screenshot: