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

[Eli Friedman via cfe-commits]

https://github.com/efriedma-quic commented:

Please make sure you have a public GitHub email (https://llvm.org/docs/DeveloperPolicy.html#email-addresses).

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