[clang] [compiler-rt] [llvm] [PGO] Initialize GCOV Writeout and Reset Functions in the Runtime on AIX (PR #108570)

[Qiongsi Wu via cfe-commits]

qiongsiwu wrote:

We prefer to keep the formatting in this particular file. I am merging this PR. 

https://github.com/llvm/llvm-project/pull/108570