From 6a2fab50c9d82ab9b6ebe30fe6eb0218c8e0f760 Mon Sep 17 00:00:00 2001
From: AZero13 <gfunni234@gmail.com>
Date: Mon, 19 Jan 2026 13:47:43 -0500
Subject: [PATCH] gh-144048: Use flexible array members

Not all cases can be converted because some structs with this are members in the middle of bigger structs, so changing them introduces warnings. Leave them alone for now.
---
 Include/cpython/pystate.h | 2 +-
 Modules/_sre/sre.h        | 2 +-
 Objects/memoryobject.c    | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/Include/cpython/pystate.h b/Include/cpython/pystate.h
index 22df26bd37a5c5..698459e6d8566d 100644
--- a/Include/cpython/pystate.h
+++ b/Include/cpython/pystate.h
@@ -58,7 +58,7 @@ typedef struct _stack_chunk {
     struct _stack_chunk *previous;
     size_t size;
     size_t top;
-    PyObject * data[1]; /* Variable sized */
+    PyObject * data[];
 } _PyStackChunk;
 
 /* Minimum size of data stack chunk */
diff --git a/Modules/_sre/sre.h b/Modules/_sre/sre.h
index 42681c2addf3c2..7702a0af032517 100644
--- a/Modules/_sre/sre.h
+++ b/Modules/_sre/sre.h
@@ -65,7 +65,7 @@ typedef struct {
     struct {
         Py_ssize_t index;
         PyObject *literal;  /* NULL if empty */
-    } items[0];
+    } items[];
 } TemplateObject;
 
 typedef struct SRE_REPEAT_T {
diff --git a/Objects/memoryobject.c b/Objects/memoryobject.c
index f3b7e4a396b4a1..798b7f810b09b7 100644
--- a/Objects/memoryobject.c
+++ b/Objects/memoryobject.c
@@ -1042,7 +1042,7 @@ memoryview__from_flags_impl(PyTypeObject *type, PyObject *object, int flags)
 
 typedef struct {
     Py_buffer view;
-    Py_ssize_t array[1];
+    Py_ssize_t array[];
 } Py_buffer_full;
 
 int