MI -var-create frame-addr specification

[Christophe LYON]

> We were just discussing this last week or so in another thread...

Sorry for missing that.

> Roughly speaking, the entire use of frame addresses in MI needs to be
> destroyed.  A "frame identifier" should be completely opaque to the MI
> client - something that it just receives from GDB, saves, and then
> passes back to GDB when it needs to identify a particular frame.  IMO,
> they should be treated as strings rather than numbers by the client.
> 
> Of course, this requires implementation, and no one has yet
> volunteered.  But that's the Right Solution, I think.
> 

I see. I won't expect a fix soon ;-)

Thanks,

Christophe.