bug#23912: 25.0.95; Abort in gc when working with streams

[Eli Zaretskii]

> From: Michael Heerdegen <michael_heerdegen@web.de>
> Date: Thu, 14 Jul 2016 20:30:52 +0200
> Cc: 23912@debbugs.gnu.org
> 
> > Lisp Backtrace:
> 
> How can I produce such a lisp backtrace after Emacs has crashed?

Source src/.gdbinit and type "xbacktrace".  If you invoke GDB from the
Emacs's src directory, it tries to do that automatically (but recent
GDB versions will by default refuse to do that "for security reasons",
so you will have to customize GDB in your ~/.gdbinit).