[clang] [flang] [mlir] [LLVM-Flang][Options] Add support for '-fprofile-sample-use' option (PR #188697)

[Tarun Prabhu via cfe-commits]

tarunprabhu wrote:

@kkwli, is this option safe on AIX? I think I have seen some profiling-related options that error out on AIX in clang, but i am not sure if this is one of them.

https://github.com/llvm/llvm-project/pull/188697