Issue #18408: add more assertions on PyErr_Occurred() in ceval.c to detect bugs
earlier
diff --git a/Objects/abstract.c b/Objects/abstract.c
index 6896600..6c8c561 100644
--- a/Objects/abstract.c
+++ b/Objects/abstract.c
@@ -2111,8 +2111,7 @@
                 "NULL result without error in PyObject_Call");
         }
 #else
-        if (result == NULL)
-            assert(PyErr_Occurred());
+        assert(result != NULL || PyErr_Occurred());
 #endif
         return result;
     }