From c96d7fd4f9589ccb308048c14a506684f911a3cc Mon Sep 17 00:00:00 2001
From: Stefan Behnel <stefan_ml@behnel.de>
Date: Fri, 31 Mar 2023 14:19:17 +0200
Subject: Avoid accessing "PyGenObject->gi_code", which was removed in CPython
 3.12a6 and replaced with a C-API function.

See https://github.com/python/cpython/pull/100749
---
 Cython/Utility/Coroutine.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Cython/Utility/Coroutine.c b/Cython/Utility/Coroutine.c
index 1ad27df26..a02578acd 100644
--- a/Cython/Utility/Coroutine.c
+++ b/Cython/Utility/Coroutine.c
@@ -185,7 +185,11 @@ static PyObject *__Pyx__Coroutine_GetAwaitableIter(PyObject *obj) {
     } else
 #endif
 #if CYTHON_COMPILING_IN_CPYTHON && defined(CO_ITERABLE_COROUTINE)
+#if PY_VERSION_HEX >= 0x030C00A6
+    if (PyGen_CheckExact(obj) && (PyGen_GetCode(obj)->co_flags & CO_ITERABLE_COROUTINE)) {
+#else
     if (PyGen_CheckExact(obj) && ((PyGenObject*)obj)->gi_code && ((PyCodeObject *)((PyGenObject*)obj)->gi_code)->co_flags & CO_ITERABLE_COROUTINE) {
+#endif
         // Python generator marked with "@types.coroutine" decorator
         return __Pyx_NewRef(obj);
     } else
-- 
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