[llvm-branch-commits] [clang] [Serialization] Code cleanups and polish 83233 (PR #83237)

[Dmitry Vasilyev via llvm-branch-commits]

slydiman wrote:

[Commit b5bd192](https://github.com/llvm/llvm-project/commit/b5bd19211118c6d43bc525a4e3fb65d2c750d61e) break buildbots
https://lab.llvm.org/buildbot/#/builders/195/builds/1985
https://lab.llvm.org/staging/#/builders/197/builds/1161



https://github.com/llvm/llvm-project/pull/83237