[clang] [clang] Do not serialize function definitions without a body (PR #121550)

[Chuanqi Xu via cfe-commits]

https://github.com/ChuanqiXu9 commented:

Oh, previously we didn't allow `-fallow-pcm-with-compiler-errors` so we didn't meet such problems. Out of curiosity (not a blocking issue), why do you want this feature for C++20 modules?

https://github.com/llvm/llvm-project/pull/121550