Issue #13577: Built-in methods and functions now have a __qualname__.
Patch by sbt.
diff --git a/Include/methodobject.h b/Include/methodobject.h
index 7e67c0b..d798d13 100644
--- a/Include/methodobject.h
+++ b/Include/methodobject.h
@@ -30,7 +30,8 @@
#define PyCFunction_GET_FUNCTION(func) \
(((PyCFunctionObject *)func) -> m_ml -> ml_meth)
#define PyCFunction_GET_SELF(func) \
- (((PyCFunctionObject *)func) -> m_self)
+ (((PyCFunctionObject *)func) -> m_ml -> ml_flags & METH_STATIC ? \
+ NULL : ((PyCFunctionObject *)func) -> m_self)
#define PyCFunction_GET_FLAGS(func) \
(((PyCFunctionObject *)func) -> m_ml -> ml_flags)
#endif