Index: clang/docs/ReleaseNotes.rst
===================================================================
--- clang/docs/ReleaseNotes.rst
+++ clang/docs/ReleaseNotes.rst
@@ -330,6 +330,8 @@
   ``-fno-diagnostics-show-line-numbers``. At the same time, the maximum
   number of code lines it prints has been increased from 1 to 16. This
   can be controlled using ``-fcaret-diagnostics-max-lines=``.
+- Clang no longer emits ``-Wunused-variable`` for variables declared with
+  ``__attribute__((cleanup(...)))`` to match GCC.
 
 Bug Fixes in This Version
 -------------------------