[clang] Reapply "[Clang][Driver] Final phase also determined by input" (PR #225678)

[Michael Kruse via cfe-commits]

https://github.com/Meinersbur ready_for_review 
https://github.com/llvm/llvm-project/pull/225678
_______________________________________________
cfe-commits mailing list
cfe-commits@lists.llvm.org
https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits