[PATCH] Fix PR middle-end/17813

[Eric Botcazou]

> But that doesn't need an Ada-aware debugger!  I use that all the time
> with non-Ada-aware debuggers.  Just do
>
> define pn
> set pn($)
> end

I obviously missed something.  So the debug functions are exposed by the 
front-end through a C interface?  More generally, is a non-Ada-aware debugger 
sufficient to debug the Ada part of the front-end?

-- 
Eric Botcazou