Merge commit '2a7d3f055d4e' from llvm.org/main into next

Author: git apple-llvm automerger

clang/docs/ReleaseNotes.rst

@@ -144,6 +144,9 @@ Improvements to Clang's diagnostics
 - Fixed a bug where Clang's Analysis did not correctly model the destructor behavior of ``union`` members (#GH119415).
 - A statement attribute applied to a ``case`` label no longer suppresses
   'bypassing variable initialization' diagnostics (#84072).
+- The ``-Wunsafe-buffer-usage`` warning has been updated to warn
+  about unsafe libc function calls.  Those new warnings are emitted
+  under the subgroup ``-Wunsafe-buffer-usage-in-libc-call``.
 
 Improvements to Clang's time-trace
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