[issue28580] Optimize iterating split table values

[Serhiy Storchaka]

Serhiy Storchaka added the comment:

Following example causes a crash in debug build:

d = dict.fromkeys(range(100))
for k in range(99):
    del d[k]

it = iter(d)
assert next(it) == 99
d.clear()
d[0] = None
next(it)

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue28580>
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