Terry J. Reedy <tjre...@udel.edu> added the comment:
I am pretty sure that if one deletes the prefix 'exec(' and suffic ')' and just
executes argument expression that has something on the order of 10000 chr(nn)
calls added together, one would get the same result. In other words, I believe
that the outer exec and the origin of the expression and the individual nn
values are irrelevant.
It is known that the Python compiler handles at least some recursive
expressions with recursion and therefore has limits on the complexity of
expressions it can handle. The stackoverflow crash, instead of an exception,
*is* a bug. It was fixed sometime in 3.x. With 3.6.4:
C:\Users\Terry>python f:/dev/tem/poc.py
RecursionError: maximum recursion depth exceeded during compilation
Perhaps one of the compiler experts knows whether the fix cannot be backported
(within reasonable effort) or just has not been.
----------
nosy: +benjamin.peterson, brett.cannon, ncoghlan, terry.reedy, yselivanov
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<https://bugs.python.org/issue32757>
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