1 files changed, 3 insertions, 2 deletions
diff --git a/Python/executor_cases.c.h b/Python/executor_cases.c.h
index 26ac159..ccd8fb3 100644
--- a/Python/executor_cases.c.h
+++ b/Python/executor_cases.c.h
@@ -3829,8 +3829,9 @@
         }
 
         case _CHECK_FUNCTION: {
-            PyObject *func = (PyObject *)CURRENT_OPERAND();
-            if (frame->f_funcobj != func) goto deoptimize;
+            uint32_t func_version = (uint32_t)CURRENT_OPERAND();
+            assert(PyFunction_Check(frame->f_funcobj));
+            if (((PyFunctionObject *)frame->f_funcobj)->func_version != func_version) goto deoptimize;
             break;
         }