From c63623a0a6892ce8683dbf8c769793ea897e6ba8 Mon Sep 17 00:00:00 2001
From: Victor Stinner <vstinner@python.org>
Date: Wed, 13 Oct 2021 04:37:55 +0200
Subject: [PATCH] bpo-45434: bytearrayobject.h no longer includes <stdarg.h>
 (GH-28913)

bytearrayobject.h and _lzmamodule.c don't use va_list and so don't
need to include <stdarg.h>.
---
 Include/bytearrayobject.h | 2 --
 Include/bytesobject.h     | 2 +-
 Include/modsupport.h      | 2 +-
 Include/unicodeobject.h   | 2 +-
 Modules/_lzmamodule.c     | 1 -
 5 files changed, 3 insertions(+), 6 deletions(-)

diff --git a/Include/bytearrayobject.h b/Include/bytearrayobject.h
index 9e95433f0f2..1a834474dde 100644
--- a/Include/bytearrayobject.h
+++ b/Include/bytearrayobject.h
@@ -6,8 +6,6 @@
 extern "C" {
 #endif
 
-#include <stdarg.h>
-
 /* Type PyByteArrayObject represents a mutable array of bytes.
  * The Python API is that of a sequence;
  * the bytes are mapped to ints in [0, 256).
diff --git a/Include/bytesobject.h b/Include/bytesobject.h
index 39c241a2dcf..bcb1a5942c6 100644
--- a/Include/bytesobject.h
+++ b/Include/bytesobject.h
@@ -7,7 +7,7 @@
 extern "C" {
 #endif
 
-#include <stdarg.h>
+#include <stdarg.h>               // va_list
 
 /*
 Type PyBytesObject represents a byte string.  An extra zero byte is
diff --git a/Include/modsupport.h b/Include/modsupport.h
index 7d37b499422..baf47f0038d 100644
--- a/Include/modsupport.h
+++ b/Include/modsupport.h
@@ -7,7 +7,7 @@ extern "C" {
 
 /* Module support interface */
 
-#include <stdarg.h>
+#include <stdarg.h>               // va_list
 
 /* If PY_SSIZE_T_CLEAN is defined, each functions treats #-specifier
    to mean Py_ssize_t */
diff --git a/Include/unicodeobject.h b/Include/unicodeobject.h
index b0ac086a6be..c65b9228298 100644
--- a/Include/unicodeobject.h
+++ b/Include/unicodeobject.h
@@ -1,7 +1,7 @@
 #ifndef Py_UNICODEOBJECT_H
 #define Py_UNICODEOBJECT_H
 
-#include <stdarg.h>
+#include <stdarg.h>               // va_list
 
 /*
 
diff --git a/Modules/_lzmamodule.c b/Modules/_lzmamodule.c
index 915c0c918f6..a7156ec7ddf 100644
--- a/Modules/_lzmamodule.c
+++ b/Modules/_lzmamodule.c
@@ -10,7 +10,6 @@
 #include "Python.h"
 #include "structmember.h"         // PyMemberDef
 
-#include <stdarg.h>
 #include <string.h>
 
 #include <lzma.h>