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bpo-31490: Fix an assertion failure in ctypes in case an _anonymous_ attr is defined only outside _fields_. (#3615)

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This commit is contained in:
Oren Milman 2017-09-17 13:45:38 +03:00 • committed by Serhiy Storchaka
parent a6bb313c70
commit 30b61b51e0
3 changed files with 25 additions and 1 deletions
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10
Modules/_ctypes/stgdict.c
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@ -302,7 +302,15 @@ MakeAnonFields(PyObject *type)
Py_DECREF(anon_names);
return -1;
}
assert(Py_TYPE(descr) == &PyCField_Type);
if (Py_TYPE(descr) != &PyCField_Type) {
PyErr_Format(PyExc_AttributeError,
"'%U' is specified in _anonymous_ but not in "
"_fields_",
fname);
Py_DECREF(anon_names);
Py_DECREF(descr);
return -1;
}
descr->anonymous = 1;
/* descr is in the field descriptor. */