[clang] [NFC][AArch64] Add relnote saying SVE2.1 and SME2.1 now fully implemented by ACLE (PR #122705)

[Jonathan Thackray via cfe-commits]

https://github.com/jthackray created https://github.com/llvm/llvm-project/pull/122705

None

>From 4206edb54ccad4012970ec1b14748f81ccf5b01c Mon Sep 17 00:00:00 2001
From: Jonathan Thackray <jonathan.thackray at arm.com>
Date: Mon, 13 Jan 2025 13:23:20 +0000
Subject: [PATCH] [NFC][AArch64] Add relnote saying SVE2.1 and SME2.1 now fully
 implemented by ACLE

---
 clang/docs/ReleaseNotes.rst | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/clang/docs/ReleaseNotes.rst b/clang/docs/ReleaseNotes.rst
index a14fb189c8e132..17551f264dd881 100644
--- a/clang/docs/ReleaseNotes.rst
+++ b/clang/docs/ReleaseNotes.rst
@@ -1045,6 +1045,9 @@ X86 Support
 Arm and AArch64 Support
 ^^^^^^^^^^^^^^^^^^^^^^^
 
+- Support for SVE2.1 and SME2.1 using the Arm C Language Extensions (ACLE) is
+  now fully implemented.
+
 - In the ARM Target, the frame pointer (FP) of a leaf function can be retained
   by using the ``-fno-omit-frame-pointer`` option. If you want to eliminate the FP
   in leaf functions after enabling ``-fno-omit-frame-pointer``, you can do so by adding