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

[Chuanqi Xu via llvm-branch-commits]

ChuanqiXu9 wrote:

@ilya-biryukov I've fixed the crash occured in the reproducer. The root reason is that, previously, I wouldn't load all the specializations for paritial specializations. But this is not safe. I think you can test it again.

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