[clang] [llvm] [Clang][Driver][LLVM] Add -fno-inline-functions-called-once; expose p… (PR #160343)

[Joseph Huber via llvm-commits]

https://github.com/jhuber6 commented:

The LLVM changes and Clang flag changes should likely be separate

https://github.com/llvm/llvm-project/pull/160343