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

[Alexander Kornienko via llvm-branch-commits]

alexfh wrote:

> > @ilya-biryukov, could we have another try of this PR on your end?
> 
> Sorry for missing this, we will rerun the testing and get back to you.

In the meantime, could you rebase the patch on top of current ToT?

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