[llvm-branch-commits] [clang] [SystemZ][ReleaseNotes] clang release notes for SystemZ (PR #215370)

[Kai Nacke via llvm-branch-commits]

https://github.com/redstar updated https://github.com/llvm/llvm-project/pull/215370

>From a925549b3bc0cebb8de1dc623063f026b76a4889 Mon Sep 17 00:00:00 2001
From: Kai Nacke <kai.peter.nacke at ibm.com>
Date: Mon, 10 Aug 2026 15:25:15 -0400
Subject: [PATCH 1/3] [SystemZ][ReleaseNotes] clang release notes for SystemZ

Adds more content to the release notes.
---
 clang/docs/ReleaseNotes.md | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/clang/docs/ReleaseNotes.md b/clang/docs/ReleaseNotes.md
index a75d666f67691..327c1103ca51b 100644
--- a/clang/docs/ReleaseNotes.md
+++ b/clang/docs/ReleaseNotes.md
@@ -1163,6 +1163,10 @@ latest release, please see the [Clang Web Site](https://clang.llvm.org) or the
 - Add support for `#pragma export` for z/OS. This is a pragma used to export functions and variables
   with external linkage from shared libraries. It provides compatibility with the IBM XL C/C++
   compiler.
+- Add support for variable argument lists on z/OS.
+- Add compare-and-swap builtin functions, as provided by the IBM XL C/C++ compiler.
+- Add new wrapper headers for z/OS to improve compatibility with the system headers.
+- Raised minimal supported target level to z/OS 3.1.
 
 ### DWARF Support in Clang
 

>From c4e392a18dbb76cc3c24e5c8f42b4afd475c29b3 Mon Sep 17 00:00:00 2001
From: Kai Nacke <kai.peter.nacke at ibm.com>
Date: Mon, 10 Aug 2026 15:50:54 -0400
Subject: [PATCH 2/3] Update clang/docs/ReleaseNotes.md

Co-authored-by: Dickson Chau <61763724+dicksonchau at users.noreply.github.com>
---
 clang/docs/ReleaseNotes.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/clang/docs/ReleaseNotes.md b/clang/docs/ReleaseNotes.md
index 327c1103ca51b..ec14727b31d5c 100644
--- a/clang/docs/ReleaseNotes.md
+++ b/clang/docs/ReleaseNotes.md
@@ -1166,7 +1166,7 @@ latest release, please see the [Clang Web Site](https://clang.llvm.org) or the
 - Add support for variable argument lists on z/OS.
 - Add compare-and-swap builtin functions, as provided by the IBM XL C/C++ compiler.
 - Add new wrapper headers for z/OS to improve compatibility with the system headers.
-- Raised minimal supported target level to z/OS 3.1.
+- Raised minimal supported target OS level to z/OS 3.1.
 
 ### DWARF Support in Clang
 

>From 4f5522049290f64b0047713480b8518e66f1666a Mon Sep 17 00:00:00 2001
From: Kai Nacke <kai.peter.nacke at ibm.com>
Date: Mon, 10 Aug 2026 15:54:18 -0400
Subject: [PATCH 3/3] Update based on reviewer comment.

---
 clang/docs/ReleaseNotes.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/clang/docs/ReleaseNotes.md b/clang/docs/ReleaseNotes.md
index ec14727b31d5c..7409344c4f8fb 100644
--- a/clang/docs/ReleaseNotes.md
+++ b/clang/docs/ReleaseNotes.md
@@ -1164,7 +1164,7 @@ latest release, please see the [Clang Web Site](https://clang.llvm.org) or the
   with external linkage from shared libraries. It provides compatibility with the IBM XL C/C++
   compiler.
 - Add support for variable argument lists on z/OS.
-- Add compare-and-swap builtin functions, as provided by the IBM XL C/C++ compiler.
+- Add compare-and-swap builtin functions, as provided by the IBM C/C++ compiler for z/OS.
 - Add new wrapper headers for z/OS to improve compatibility with the system headers.
 - Raised minimal supported target OS level to z/OS 3.1.