[clang] [clang][driver] Fix -print-libgcc-file-name on Darwin platforms (PR #98325)

[Gábor Horváth via cfe-commits]

Xazax-hun wrote:

It has been a couple of days without any activity. I plan to merge this PR tomorrow and address any potential concerns in a followup PR. Let me know if you want me to wait a bit more if there are any concerns that should be addressed first. 

https://github.com/llvm/llvm-project/pull/98325