bug#40225: 27.0.90; abort with apparent stack explosion in lsp-mode

[Eli Zaretskii]

> Cc: 40225@debbugs.gnu.org
> From: Valtteri Vuorikoski <vuori@notcom.org>
> Date: Thu, 26 Mar 2020 17:42:58 +0200
> 
> Crash and bt full output from an -O0 -g build, commit 
> e1f0e0892232221e6333b24788b97942c83ec738. Crash occurred after a few 
> hours of Javascript editing in js-mode + tide when switching windows.
> 
> Thread 1 "emacs" received signal SIGSEGV, Segmentation fault.
> 0x0000559b991e133a in pdumper_object_p (obj=<error reading variable: 
> Cannot access memory at address 0x7ffec83b9ff8>) at pdumper.h:145

What do these display?

  (gdb) p/x $sp
  (gdb) p/x &stack_bottom