[clang] Add a release note for https://github.com/llvm/llvm-project/pull/68001 (PR #68061)

[Akira Hatanaka via cfe-commits]

https://github.com/ahatanak created https://github.com/llvm/llvm-project/pull/68061

None

>From bc5093e4942b3ac3d538eb1253515e4b7c562a4a Mon Sep 17 00:00:00 2001
From: Akira Hatanaka <ahatanaka at apple.com>
Date: Mon, 2 Oct 2023 18:43:26 -0700
Subject: [PATCH] Add a release note for
 https://github.com/llvm/llvm-project/pull/68001

---
 clang/docs/ReleaseNotes.rst | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/clang/docs/ReleaseNotes.rst b/clang/docs/ReleaseNotes.rst
index 6be824771c583be..f5825e15c76f1da 100644
--- a/clang/docs/ReleaseNotes.rst
+++ b/clang/docs/ReleaseNotes.rst
@@ -410,6 +410,8 @@ Miscellaneous Clang Crashes Fixed
   `Issue 64065 <https://github.com/llvm/llvm-project/issues/64065>`_
 - Fixed a crash when check array access on zero-length element.
   `Issue 64564 <https://github.com/llvm/llvm-project/issues/64564>`_
+- Fixed a crash when an ObjC ivar has an invalid type. See
+  (`#68001 <https://github.com/llvm/llvm-project/pull/68001>`_)
 
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