[issue14656] Add a macro for unreachable code

[Georg Brandl]

Georg Brandl <georg at python.org> added the comment:

> If there's a bug, either an exception should be raised, or a fatal error.
> We should discourage warnings on stderr (the PHP approach).

Agreed.

That said, I'm with Martin in that don't see how the patch in this issue helps.

----------
nosy: +georg.brandl

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue14656>
_______________________________________