INCA: Inline Caching meets Quickening in Python 3.3

cgen/templates/default/load_build_class

+
+        TARGET(LOAD_BUILD_CLASS)
+        {
+            _Py_IDENTIFIER(__build_class__);
+
+            if (PyDict_CheckExact(f->f_builtins)) {
+                x = _PyDict_GetItemId(f->f_builtins, &PyId___build_class__);
+                if (x == NULL) {
+                    PyErr_SetString(PyExc_NameError,
+                                    "__build_class__ not found");
+                                goto on_error;;
+                }
+                Py_INCREF(x);
+            }
+            else {
+                PyObject *build_class_str = _PyUnicode_FromId(&PyId___build_class__);
+                if (build_class_str == NULL)
+                                goto on_error;;
+                x = PyObject_GetItem(f->f_builtins, build_class_str);
+                if (x == NULL) {
+                    if (PyErr_ExceptionMatches(PyExc_KeyError))
+                        PyErr_SetString(PyExc_NameError,
+                                        "__build_class__ not found");
+                                goto on_error;;
+                }
+            }
+            PUSH(x);
+                        goto on_error;;
+        }