STINNER Victor added the comment:
> I don't know. To that that is crashed when pass non-string keys.
Oh ok. I found a way to create a dictionary with equal keys and pass it to
dict(**kw) in my fast_init branch (I already removed the PyUnicode_Check()
asssertion in this branch):
haypo@selma$ ./python bug.py
call with: {'a': 1, 'b': 2}
python: Objects/abstract.c:2471: _PyStack_AsDict: Assertion
`PyDict_GetItem(kwdict, key) == NULL' failed.
Aborted
So yes, with special objects, the PyDict_GetItem()==NULL assertion fails. With
pystack_asdict-2.patch, the duplicated (equal) keys are merged as expected:
$ ./python bug.py
call with: {'a': 1, 'b': 2}
got: {'a': 2}
Again, there is also a bug in my fast_init branch, I should avoid double
conversion dict=>kwnames=>dict to call a type.
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Added file: http://bugs.python.org/file46408/bug.py
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