--- Objects/listobject.c
+++ Objects/listobject.c
@@ -2036,7 +2036,7 @@
     if (keys != NULL) {
         for (i = 0; i < saved_ob_size; i++)
             Py_DECREF(keys[i]);
-        if (keys != &ms.temparray[saved_ob_size+1])
+        if (keys != ((char *) ms.temparray) + (saved_ob_size+1) * sizeof (PyObject *))
             PyMem_FREE(keys);
     }
 
--- Objects/longobject.c
+++ Objects/longobject.c
@@ -36,7 +36,7 @@
 static PyObject *
 get_small_int(sdigit ival)
 {
-    PyObject *v = (PyObject*)(small_ints + ival + NSMALLNEGINTS);
+    PyObject *v = (PyObject*)(small_ints + (ival + NSMALLNEGINTS));
     Py_INCREF(v);
 #ifdef COUNT_ALLOCS
     if (ival >= 0)