diff -r d9337fe963cc Objects/tupleobject.c
--- a/Objects/tupleobject.c	Thu Apr 03 08:01:44 2014 -0700
+++ b/Objects/tupleobject.c	Thu Apr 03 20:26:07 2014 +0200
@@ -63,10 +63,9 @@
 }
 
 PyObject *
-PyTuple_New(Py_ssize_t size)
+_PyTuple_New(Py_ssize_t size)
 {
     PyTupleObject *op;
-    Py_ssize_t i;
     if (size < 0) {
         PyErr_BadInternalCall();
         return NULL;
@@ -105,8 +104,6 @@
         if (op == NULL)
             return NULL;
     }
-    for (i=0; i < size; i++)
-        op->ob_item[i] = NULL;
 #if PyTuple_MAXSAVESIZE > 0
     if (size == 0) {
         free_list[0] = op;
@@ -121,6 +118,19 @@
     return (PyObject *) op;
 }
 
+PyObject *
+PyTuple_New(Py_ssize_t size)
+{
+    PyTupleObject * op = _PyTuple_New(size);
+    Py_ssize_t i;
+    if (op == NULL) {
+        return NULL;
+    }
+    for (i=0; i < size; i++)
+        op->ob_item[i] = NULL;
+    return op;
+}
+
 Py_ssize_t
 PyTuple_Size(PyObject *op)
 {
@@ -205,7 +215,7 @@
     va_list vargs;
 
     va_start(vargs, n);
-    result = PyTuple_New(n);
+    result = _PyTuple_New(n);
     if (result == NULL) {
         va_end(vargs);
         return NULL;
diff -r d9337fe963cc Python/ceval.c
--- a/Python/ceval.c	Thu Apr 03 08:01:44 2014 -0700
+++ b/Python/ceval.c	Thu Apr 03 20:26:07 2014 +0200
@@ -15,6 +15,7 @@
 #include "frameobject.h"
 #include "opcode.h"
 #include "structmember.h"
+PyObject * _PyTuple_New(Py_ssize_t size);
 
 #include <ctype.h>
 
@@ -2323,7 +2324,7 @@
         }
 
         TARGET(BUILD_TUPLE) {
-            PyObject *tup = PyTuple_New(oparg);
+            PyObject *tup = _PyTuple_New(oparg);
             if (tup == NULL)
                 goto error;
             while (--oparg >= 0) {