[clang] [clang][Driver] Fix triple config loading for clang-cl (PR #111397)

[Paul Wagener via cfe-commits]

PaulWagener wrote:

I've resolved the conflicts in commit http://github.com/PaulWagener/llvm-project/commit/40a8c7c0ff3f688b690e4c74db734de67f0f89e9 (https://github.com/Bo98/llvm-project/pull/1)

I don't know much about the technical details of this PR but I can confirm that this correctly builds and fixes the issue with cross compiling with homebrew clang-cl that I've been having.

Would be happy to see this upstreamed.

https://github.com/llvm/llvm-project/pull/111397