commit c06a6d0958e2eb4449605069b9c10d656ab756e8
author Serhiy Storchaka <storchaka@gmail.com> Sat Dec 19 20:07:48 2015 +0200
committer Serhiy Storchaka <storchaka@gmail.com> Sat Dec 19 20:07:48 2015 +0200
tree 3be097cf344ed6c277ca77bd37f253f5c66d3a7d
parent 6f3d5da36cb6f7a7472c69f92de16682e5a82620

Issue #25421: __sizeof__ methods of builtin types now use dynamic basic size.
This allows sys.getsize() to work correctly with their subclasses with
__slots__ defined.

Modules/parsermodule.c

diff --git a/Modules/parsermodule.c b/Modules/parsermodule.c
index eb2d600..2434c67 100644
--- a/Modules/parsermodule.c
+++ b/Modules/parsermodule.c
@@ -720,7 +720,7 @@
 {
     Py_ssize_t res;
 
-    res = sizeof(PyST_Object) + _PyNode_SizeOf(st->st_node);
+    res = _PyObject_SIZE(Py_TYPE(st)) + _PyNode_SizeOf(st->st_node);
     return PyLong_FromSsize_t(res);
 }