[clang] [Clang] Avoid null deref in lambda attribute compat warning (PR #161096)

[Oleksandr T. via cfe-commits]

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@@ -432,6 +432,8 @@ Bug Fixes to C++ Support
 - Fix an assertion failure when taking the address on a non-type template parameter argument of
   object type. (#GH151531)
 - Suppress ``-Wdouble-promotion`` when explicitly asked for with C++ list initialization (#GH33409).
+- Fixed a crash in the pre-C++23 warning for attributes before a lambda
+  declarator by unifying format args to ``%0`` as attribute name, ``%1`` as selector (#GH161070).
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a-tarasyuk wrote:

:) Thanks, I've updated the release notes

https://github.com/llvm/llvm-project/pull/161096