>> You should have a way to turn this off.  Otherwise this makes 
>> debugging the call to abort impossible.
>
>What do you propose?
>
>o A command line option that is on per default like
>  -mnoreturn-tail-calls or -mjmp-noreturn
>
>o Hard-coded factor out some function names like "abort",
>  "exit", "_exit"

I'd suggest the first option.  That way you can do this for other similar 
functions like panic().

        paul

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