From b86bd591f135b050a197d4094bec6289f450df51 Mon Sep 17 00:00:00 2001
From: Jeong YunWon <jeong@youknowone.org>
Date: Mon, 11 Oct 2021 03:39:25 +0900
Subject: [PATCH] new_base_object assertion for HAS_DICT flag

---
 vm/src/pyobject.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/vm/src/pyobject.rs b/vm/src/pyobject.rs
index 02c563aaf2..b196d9311c 100644
--- a/vm/src/pyobject.rs
+++ b/vm/src/pyobject.rs
@@ -314,6 +314,10 @@ impl PyContext {
     }
 
     pub fn new_base_object(&self, class: PyTypeRef, dict: Option<PyDictRef>) -> PyObjectRef {
+        debug_assert_eq!(
+            class.slots.flags.contains(PyTypeFlags::HAS_DICT),
+            dict.is_some()
+        );
         PyObject::new(object::PyBaseObject, class, dict)
     }
 }