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Re: [PATCH] Fix PR middle-end/17813


    Of course, but for debugging a miscompilation of the Ada scanner (e.g.
    PR middle-end/18045), having "pn" at hand is almost required if you
    are not familiar with the internal structure of the front-end
    (e.g. how to walk the node hierarchy) like me.

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


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