[issue12149] Segfault in _PyObject_GenericGetAttrWithDict

[Antoine Pitrou]

Antoine Pitrou <pitrou at free.fr> added the comment:

> Since PyType_Modified is generally called whenever a type is modified, 
> it is likely to act as a guardian for any future optimisations that 
> require classes to be unchanged.
> 
> Thus, given these two reasons, it seems wise to call PyType_Modified 
> anywhere the type is modified, however minor that modification appears 
> to be.

Well, unless we start reviewing all the places where a type might be
directly modified, I'm not sure there's much point in adding
PyType_Modified to those two.

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