bpo-39573: Use Py_SET_SIZE() function (GH-18402)
Replace direct acccess to PyVarObject.ob_size with usage of
the Py_SET_SIZE() function.
diff --git a/Objects/structseq.c b/Objects/structseq.c
index c86fbe5..1865e24 100644
--- a/Objects/structseq.c
+++ b/Objects/structseq.c
@@ -47,7 +47,7 @@
return NULL;
/* Hack the size of the variable object, so invisible fields don't appear
to Python code. */
- Py_SIZE(obj) = VISIBLE_SIZE_TP(type);
+ Py_SET_SIZE(obj, VISIBLE_SIZE_TP(type));
for (i = 0; i < size; i++)
obj->ob_item[i] = NULL;