bug#58158: 29.0.50; [overlay] Interval tree iteration considered harmful

[Gerd Möllmann]

Eli Zaretskii <eliz@gnu.org> writes:

>> From: Gerd Möllmann <gerd.moellmann@gmail.com>
>> I personally think this is a no-go.
>
> Really?  Even if we take all the measures mentioned above?

Yes.

> Why so?

I think it simply can't be that what is basically walking a binary tree
requires such restrictions.  And if it does because of some quirk of the
interval tree in itree.c, something is seriously wrong with the design.

That's a bit harsh, but I mean it :-).