[Python-Dev] Prevalence of low-level memory abuse?

[Edward Loper]

Tim Peters wrote:
>     If extension modules in real life prove as sloppy as Python's
>     front end, we'll have to revert the objimpl.h + pymem.h part of this
>     patch.  Note that no problems will show up in a debug build (all
>     calls still go thru obmalloc then).  Problems will show up only in a
>     release build, most likely segfaults.

Could the debug build's macros for PyMem/PyObject_new/free be modified 
to check for mismatches?  Or would storing information about which 
method was used to allocate each pointer be too expensive?  Perhaps a 
special build could be used to check for mismatches?

-Edward