bug#17168: 24.3.50; Segfault at mark_object

[Stefan Monnier]

> Sure.  But why would you ever want to unintern a symbol that pure storage
> references?

That's a good question.  But it cuts both ways: if we don't know why
it's done, it's hard to judge if it can be disallowed.
I must say I don't very much like this idea of special-casing the
obarray and the symbols interned therein.


        Stefan