[libcxxabi] [clang-tools-extra] [lldb] [llvm] [libc] [clang] [flang] [lld] [libcxx] [flang] Pass Argv0 to getIntriniscDir and getOpenMPHeadersDir (PR #73254)

[via cfe-commits]

madanial0 wrote:

> I see you re-based 2 times. Does this look Ok as is? It would be good to add the AIX Driver bits once this goes in.

This should be good as is pending any review comments/approvals

https://github.com/llvm/llvm-project/pull/73254