1 files changed, 5 insertions, 0 deletions
diff --git a/Python/ceval.c b/Python/ceval.c
index 02e4e7b..958ca11 100644
--- a/Python/ceval.c
+++ b/Python/ceval.c
@@ -4447,6 +4447,11 @@ handle_eval_breaker:
 
             call_shape.total_args = oparg;
             call_shape.kwnames = NULL;
+#ifdef Py_STATS
+            extern int _PySpecialization_ClassifyCallable(PyObject *);
+            _py_stats.opcode_stats[PRECALL_FUNCTION].specialization.failure++;
+            _py_stats.opcode_stats[PRECALL_FUNCTION].specialization.failure_kinds[_PySpecialization_ClassifyCallable(call_shape.callable)]++;
+#endif
             DISPATCH();
         }