[clang] Add a CodeGen option to ignore compilation directories#149897

cachemeifyoucan wants to merge 3 commits intomainllvm/llvm-project:mainfrom

users/cachemeifyoucan/spr/clang-add-a-codegen-option-to-ignore-compilation-directoriesllvm/llvm-project:users/cachemeifyoucan/spr/clang-add-a-codegen-option-to-ignore-compilation-directoriesCopy head branch name to clipboard