[clang] [Clang][CodeGen] Emit dereferenceable and nofree for indirect arguments (PR #213347)

[Sayan Sivakumaran via cfe-commits]

sivakusayan wrote:

Okay @efriedma-quic, this should be ready to merge. I had to update the new `clang/test/CodeGen/Sparc/sparc-complex-abi.c`. 

https://github.com/llvm/llvm-project/pull/213347