[issue27725] Use Py_SIZE(x) instead of x->ob_size

[STINNER Victor]

STINNER Victor added the comment:

I suggest to close this issue.

Aliasing issues are complex and simply cannot be fixed in Python 2. The root issue has been fixed in Python 3, it required to change the main C structures of Python objects.

The fix for your issue to already known, use -qalias=noansi with XLC.

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nosy: +haypo

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<http://bugs.python.org/issue27725>
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