bug#11330: 24.1.50; Infloop deleting overlays in the minibuffer

[Chong Yidong]

Nix <nix@esperi.org.uk> writes:

> With trunk emacs, I see a hang using the minibuffer after only a few
> minutes of use, sometimes less.
>
> "read-from-minibuffer" (0xb4ebdfd8)
> "completing-read-default" (0xb4ebe148)
> "read-buffer" (0xb4ebe2d8)
> "persp-read-buffer" (0xb4ebe4a8)
> "call-interactively" (0xb4ebe718)
>
> Note that perspectives.el is not implicated here: control never returns
> from delete_all_overlays(), and the value of `overlay' in the
> overlays_before loop never changes. Inside Fdelete_overlay(),
> Fmarker_buffer (OVERLAY_START (overlay)) is consistently returning Qnil,
> so it never actually deletes anything and the deletion loop never
> terminates.

Do you still this problem?  If so, any luck debugging it, or a
reproducible recipe?