bug#6449: 24.0.50; gdb-mode utterly broken on 10.6

[Chong Yidong]

> When I use M-x gdb on Mac OS X 10.6.3, with gdb version
> 6.3.50-20050815 (which comes with the latest Xcode), what I see is a
> bunch of noise, tons of whitespace, and it never reaches a prompt.
> This stops from being able to use Emacs from Bazaar.  Also, I've never
> seen this work.  It works fairly well in Emacs 23.2.

Do you still have this problem with latest trunk?  If so, could you
check if M-x gud-gdb has the same issue, or is it just M-x gdb?