diff -r a64a3da996ed Objects/typeobject.c
--- a/Objects/typeobject.c	Sun May 05 11:35:15 2013 -0500
+++ b/Objects/typeobject.c	Wed May 08 08:33:30 2013 -0700
@@ -6510,6 +6510,10 @@
             return -1;
         }
         obj = f->f_localsplus[0];
+        if (obj != NULL && PyCell_Check(obj)) {
+	  /* It might be a cell.  See cell var initialization in ceval.c. */
+            obj = PyCell_GET(obj);
+        }
         if (obj == NULL) {
             PyErr_SetString(PyExc_RuntimeError,
                             "super(): arg[0] deleted");
diff -r a64a3da996ed Python/ceval.c
--- a/Python/ceval.c	Sun May 05 11:35:15 2013 -0500
+++ b/Python/ceval.c	Wed May 08 08:33:30 2013 -0700
@@ -3517,8 +3517,13 @@
         int arg;
         /* Possibly account for the cell variable being an argument. */
         if (co->co_cell2arg != NULL &&
-            (arg = co->co_cell2arg[i]) != CO_CELL_NOT_AN_ARG)
+            (arg = co->co_cell2arg[i]) != CO_CELL_NOT_AN_ARG) {
             c = PyCell_New(GETLOCAL(arg));
+	    /* Copy the cell into the argument slot, for super().
+	       See typeobject.c. */
+	    Py_INCREF(c);
+	    SETLOCAL(arg, c);
+	}
         else
             c = PyCell_New(NULL);
         if (c == NULL)