python
diff --git a/‎Python/bytecodes.c‎
Lines changed: 2 additions & 1 deletion b/‎Python/bytecodes.c‎
Lines changed: 2 additions & 1 deletion
diff --git a/‎Python/executor_cases.c.h‎
Lines changed: 2 additions & 1 deletion b/‎Python/executor_cases.c.h‎
Lines changed: 2 additions & 1 deletion
diff --git a/‎Python/generated_cases.c.h‎
Lines changed: 4 additions & 2 deletions b/‎Python/generated_cases.c.h‎
Lines changed: 4 additions & 2 deletions
@@ -3223,7 +3223,8 @@ dummy_func(
         op(_GUARD_KEYS_VERSION, (keys_version/2, owner -- owner)) {
             PyTypeObject *owner_cls = Py_TYPE(PyStackRef_AsPyObjectBorrow(owner));
             PyHeapTypeObject *owner_heap_type = (PyHeapTypeObject *)owner_cls;
-            DEOPT_IF(owner_heap_type->ht_cached_keys->dk_version != keys_version);
+            PyDictKeysObject *keys = owner_heap_type->ht_cached_keys;
+            DEOPT_IF(FT_ATOMIC_LOAD_UINT32_RELAXED(keys->dk_version) != keys_version);
         }
 
         split op(_LOAD_ATTR_METHOD_WITH_VALUES, (descr/4, owner -- attr, self if (1))) {
Original file line number	Diff line number	Diff line change
`@@ -3223,7 +3223,8 @@ dummy_func(`
`3223`	`3223`	`op(_GUARD_KEYS_VERSION, (keys_version/2, owner -- owner)) {`
`3224`	`3224`	`PyTypeObject *owner_cls = Py_TYPE(PyStackRef_AsPyObjectBorrow(owner));`
`3225`	`3225`	`PyHeapTypeObject owner_heap_type = (PyHeapTypeObject )owner_cls;`
`3226`		`- DEOPT_IF(owner_heap_type->ht_cached_keys->dk_version != keys_version);`
	`3226`	`+ PyDictKeysObject *keys = owner_heap_type->ht_cached_keys;`
	`3227`	`+ DEOPT_IF(FT_ATOMIC_LOAD_UINT32_RELAXED(keys->dk_version) != keys_version);`
`3227`	`3228`	`}`
`3228`	`3229`
`3229`	`3230`	`split op(_LOAD_ATTR_METHOD_WITH_VALUES, (descr/4, owner -- attr, self if (1))) {`