bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs

[martin rudalics]

> Sorry, I don't understand: when kill-buffer kills the current buffer,
> it replaces it with another one.  Are you saying we have a way of
> killing buffers that bypasses kill-buffer? if so, can you describe how
> that can be done?
>
> Or what else am I missing?

Redisplay occasionally does things like

              saved_current_buffer = current_buffer;
              current_buffer = XBUFFER (w->contents);
              ...
              current_buffer = saved_current_buffer;

What if ... killed saved_current_buffer?

martin