ref: 986efb04152e2c8a04d28bc6e50a2235ab0e1af0
dir: /sys/lib/python/test/crashers/infinite_rec_2.py/
# http://python.org/sf/1202533
class A(str):
__get__ = getattr
if __name__ == '__main__':
a = A('a')
A.a = a
a.a # segfault: infinite recursion in C