[issue3274] Py_CLEAR(tmp) seg faults

[Nick Coghlan]

Nick Coghlan <ncoghlan at gmail.com> added the comment:

A better option may be to append _tmp to the passed in token:

#define Py_CLEAR(op)				\
        do {                            	\
                if (op) {			\
                        PyObject *op##_tmp = (PyObject *)(op);	\
                        (op) = NULL;		\
                        Py_DECREF(op##_tmp);		\
                }				\
        } while (0)

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nosy: +ncoghlan

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<http://bugs.python.org/issue3274>
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