Re: emacs crashes with tooltip-mode

[Richard Stallman]

    my emacs crashes, if tooltip-mode is enabled. The best way to make 
    it crash is running erc with erc-tab.el.

Since that is not part of Emacs, I can't even try it.
And even if I had that program, I would not know how to
try it, since you haven't said exactly what to type,

If nobody looks at this in the next couple of days,
could you please make a self-contained test case
that you can report completely?