🚀 go-pugleaf

In GNU Emacs 19.25.93.3 (sparc-sun-sunos4shr) of Fri Aug 12 1994 on naggum.no

in a raw emacs in an X window environment (no toolkit), eval

    (setq special-display-buffer-names '("*Help*"))

type C-h C-h C-g to obtain an iconified *Help* frame.  (the bug manifests
itself regardless of whether the frame is iconified.)

type C-x C-f C-x o to activate the minibuffer and return to *scratch*.

type C-x k *Help* RET and obtain Wrong type argument: window-live-p.

the bug is consistent: whenever I kill a special-display-frame when the
minibuffer is active, this error occurs.

problem is, emacs dies with a core dump an unspecified time later, often
during garbage collection.

the error is triggered by next-window in replace-buffer-in-windows after
the frame has been deleted.  I suspect that there was a minibuffer in the
killed frame that is gone by the time next-window is asked to pick it up.

don't have a fix for this, sorry.

</Erik>