bug#42832: 28.0.50; "Bus error" when compiling Emacs now on Debian bullseye

[Eli Zaretskii]

> From: Lars Ingebrigtsen <larsi@gnus.org>
> Date: Wed, 12 Aug 2020 20:30:48 +0200
> 
> I got a core dump, and gdb says it starts with:
> 
> #0  raise (sig=<optimized out>) at ../sysdeps/unix/sysv/linux/raise.c:50
> #1  0x0000564c625c0ad5 in terminate_due_to_signal
>     (sig=sig@entry=7, backtrace_limit=backtrace_limit@entry=40) at emacs.c:408
> #2  0x0000564c625c0f6b in handle_fatal_signal (sig=sig@entry=7)
>     at sysdep.c:1782
> #3  0x0000564c626bbd9d in deliver_thread_signal
>     (sig=7, handler=0x564c625c0f60 <handle_fatal_signal>) at sysdep.c:1756
> #4  0x0000564c626bbe89 in deliver_fatal_thread_signal (sig=<optimized out>)
>     at sysdep.c:1794
> #5  0x00007f13103bc140 in <signal handler called> ()
>     at /lib/x86_64-linux-gnu/libpthread.so.0
> #6  vector_marked_p (v=0xc000000018000000) at alloc.c:3859
                       ^^^^^^^^^^^^^^^^^^^^
If you repeat this, do you get the same value in 'v' as above
(assuming it always crashes with the same backtrace)?