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

[martin rudalics]

> The breakpoint I put on the error() clause added to buffer.c triggered
> again in the new build without touching any of the easserts.

And I thought I was overdoing with them.  This error is a bit too elusive
for my brain.  Are the buffer names the same as last time?

martin