Subject: bug#27779: #27779; C stack overflow from `read' on deeply nested lisp object.

From: Vasilij Schneidermann <[email-masked]>
Date: Thu, 7 Jun 2018 10:18:03 +0200

> Only if they've set undo-tree-auto-save-history, right?  (which, for all
> I know, might be a really popular setting)

Hm, you're right.  This bug effectively neuters that feature, if I
disable it I can load up Emacs just fine.  The setting isn't nearly as
popular as Evil.

I can only wonder how many more packages rely on reading deeply nested
trees...