target=x86_64-elf seems broken?

[Mark Kettenis]

> Date: Sat, 19 Dec 2009 08:56:44 -0800
> From: Michael Snyder <msnyder@vmware.com>
> 
> /mts/home4/msnyder/esx/src-1109-kgdb-pie2-remote/gdb/arch-utils.c:648: 
> internal-error: initialize_current_architecture: Selection of initial 
> architecture failedA problem internal to GDB has been detected,
> further debugging may prove unreliable.

Don't think that ever worked.  To be honest, I wouldn't even know what
you'd be targetting with that.