wip: ref counting fixes

Author: nascheme

Objects/frameobject.c

@@ -1993,13 +1993,16 @@ frame_get_var(_PyInterpreterFrame *frame, PyCodeObject *co, int i,
                     assert(!_PyFrame_IsIncomplete(frame));
                     value = PyCell_GetRef((PyCellObject *)value);
                 }
-                // (likely) Otherwise it is an arg (kind & CO_FAST_LOCAL),
-                // with the initial value set when the frame was created...
-                // (unlikely) ...or it was set via the f_locals proxy.
+                else {
+                    // (likely) Otherwise it is an arg (kind & CO_FAST_LOCAL),
+                    // with the initial value set when the frame was created...
+                    // (unlikely) ...or it was set via the f_locals proxy.
+                    Py_INCREF(value);
+                }
             }
         }
         else {
-            Py_INCREF(value);
+            Py_XINCREF(value);
         }
     }
     *pvalue = value;

Objects/typeobject.c

@@ -11778,6 +11778,7 @@ super_init_impl(PyObject *self, PyTypeObject *type, PyObject *obj) {
     if (obj != NULL) {
         obj_type = supercheck(type, obj);
         if (obj_type == NULL) {
+            Py_DECREF(type);
             Py_DECREF(obj);
             return -1;
         }