diff -r 5b0fda8f5718 Objects/longobject.c
--- a/Objects/longobject.c	Fri May 02 22:31:14 2014 +0200
+++ b/Objects/longobject.c	Fri May 02 22:39:49 2014 +0200
@@ -180,8 +180,8 @@ PyLongObject *
 #define MAX_LONG_DIGITS \
 ((PY_SSIZE_T_MAX - offsetof(PyLongObject, ob_digit))/sizeof(digit))
 
-PyLongObject *
-_PyLong_New(Py_ssize_t size)
+static PyLongObject *
+long_alloc(Py_ssize_t size, int use_calloc)
 {
 PyLongObject *result;
 /* Number of bytes needed is: offsetof(PyLongObject, ob_digit) +
@@ -203,6 +203,12 @@ PyLongObject *
 return (PyLongObject*)PyObject_INIT_VAR(result, &PyLong_Type, size);
 }
 
+PyLongObject *
+_PyLong_New(Py_ssize_t size)
+{
+ return long_alloc(size, 0);
+}
+
 PyObject *
 _PyLong_Copy(PyLongObject *src)
 {
@@ -4126,15 +4132,13 @@ long_lshift(PyObject *v, PyObject *w)
 newsize = oldsize + wordshift;
 if (remshift)
 ++newsize;
- z = _PyLong_New(newsize);
+ z = long_alloc(newsize, 1);
 if (z == NULL)
 return NULL;
 if (Py_SIZE(a) < 0) { assert(Py_REFCNT(z) == 1); Py_SIZE(z) = -Py_SIZE(z); } - for (i = 0; i < wordshift; i++) - z->ob_digit[i] = 0;
 accum = 0;
 for (i = wordshift, j = 0; j < oldsize; i++, j++) { accum &#124;= (twodigits)a->ob_digit[j] << remshift;
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