Re: gdb fails w/ internal-error assertion (frame->unwind == NULL)

[Thomas Klausner <wiz%NetBSD.org@localhost>]

On Mon, Apr 21, 2014 at 11:37:26AM -0700, B Harder wrote:
> I've been getting this lately -- have there been changes made that
> stand out to anybody as "Ah!!! That makes sense why that'd happen!",
> or is there something I can do to help chase this down ?
> 
> 
> $ gdb ./prog ./prog.core
> 
> Program received signal SIGSEGV, Segmentation fault.
> /usr/src/external/gpl3/gdb/dist/gdb/frame.c:2427: internal-error:
> frame_prepare_for_sniffer: Assertion `frame->unwind == NULL' failed.
> A problem internal to GDB has been detected,
> further debugging may prove unreliable.
> Quit this debugging session? (y or n)

I think we just discussed this problem on tech-toolchain. Christos
wrote he fixed it, so update and try again.
 Thomas