[Python-Dev] XXX undetected error (why=3)

[Tim Peters]

[Jeremy Hylton]
> ...
> I'd like to change the code for the check to call Py_FatalError()
> instead of printing a message to stderr.  The check is only enabled
> during a debug build.  I'd be much happier debugging this from a core
> dump than trying to figure out what happened to cause the message to
> be printed.
>
> Any objections?

+1.  Having catastrophic errors fly by on stderr isn't a good idea even
without the (strong) debuggability argument.