[llvm-branch-commits] [clang] Add release note about ABI implementation changes for _BitInt on Arm (PR #105659)

[via llvm-branch-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clang

Author: Maciej Gabka (mgabka)

<details>
<summary>Changes</summary>

Add release note that LLVM 19 _BitInt  implementation is fully compliant with AAPCS32 and AAPCS64 when targeting Arm.


---
Full diff: https://github.com/llvm/llvm-project/pull/105659.diff


1 Files Affected:

- (modified) clang/docs/ReleaseNotes.rst (+3) 


``````````diff
diff --git a/clang/docs/ReleaseNotes.rst b/clang/docs/ReleaseNotes.rst
index 17ddbfe910f878..6ce9532061ed38 100644
--- a/clang/docs/ReleaseNotes.rst
+++ b/clang/docs/ReleaseNotes.rst
@@ -1221,6 +1221,9 @@ Arm and AArch64 Support
    ``-mabi=pauthtest`` option or via specifying ``pauthtest`` environment part of
    target triple.
 
+ - The C23 ``_BitInt`` implementation has been brought into compliance
+   with AAPCS32 and AAPCS64.
+
 Android Support
 ^^^^^^^^^^^^^^^
 

``````````

</details>


https://github.com/llvm/llvm-project/pull/105659