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Fix crasher for when an object's __del__ creates a new weakref to itself.

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Patch only fixes new-style classes; classic classes still buggy.

Closes bug #1377858.  Already backported.
This commit is contained in:
Brett Cannon 2007-01-23 23:21:22 +00:00
parent 6c5c502b91
commit f5bee30e30
5 changed files with 34 additions and 1 deletions
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3
Objects/weakrefobject.c
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@ -57,6 +57,9 @@ clear_weakref(PyWeakReference *self)
PyWeakref_GET_OBJECT(self));
if (*list == self)
/* If 'self' is the end of the list (and thus self->wr_next == NULL)
then the weakref list itself (and thus the value of *list) will
end up being set to NULL. */
*list = self->wr_next;
self->wr_object = Py_None;
if (self->wr_prev != NULL)