mirror of
https://github.com/python/cpython.git
synced 2025-10-31 13:41:24 +00:00
22 lines
444 B
Python
22 lines
444 B
Python
|
|
||
|
|
# http://python.org/sf/1303614
|
||
|
|
|
||
|
|
class Strange(object):
|
||
|
|
def __hash__(self):
|
||
|
|
return hash('hello')
|
||
|
|
|
||
|
|
def __eq__(self, other):
|
||
|
|
x.__dict__ = {} # the old x.__dict__ is deallocated
|
||
|
|
return False
|
||
|
|
|
||
|
|
|
||
|
|
class X(object):
|
||
|
|
pass
|
||
|
|
|
||
|
|
if __name__ == '__main__':
|
||
|
|
v = 123
|
||
|
|
x = X()
|
||
|
|
x.__dict__ = {Strange(): 42,
|
||
|
|
'hello': v+456}
|
||
|
|
x.hello # segfault: the above dict is accessed after it's deallocated
|