[clang] [clang][CodeGen] Fix stack-use-after-return in deferred annotations (PR #226942)

[Eli Friedman via cfe-commits]

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@@ -802,6 +802,10 @@ features cannot lower the translation-unit ABI level;
 - Fixed an assertion failure when a method or function definition follows an
   Objective-C `@implementation` that was ended by a nested `@interface`,
   `@protocol` or `@implementation` before its `@end`. (#GH209503)
+- Fixed `annotate` attributes being dropped from the `this`-adjusting thunks of
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efriedma-quic wrote:

Maybe just say "Fixed use-after-free with `annotate` attribute on a C++ class method with a `this`-adjusting thunk."

https://github.com/llvm/llvm-project/pull/226942