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

[Chuanqi Xu via llvm-branch-commits]

ChuanqiXu9 wrote:

@vgvassilev  @ilya-biryukov @alexfh If I read correctly, the only blocker issue is the above reported performance issue. And I tried to split partial specialization from the full specialization table to avoid merging tables again and again. Could you please take another round of testing? Thanks in ahead.

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