[Clang] Add resource_dir_EQ flag to CC1Option group#140870

wenju-he merged 3 commits intollvm:mainllvm/llvm-project:mainfrom

wenju-he:ClangTool-injectResourceDir-use-CC1Optionwenju-he/llvm-project:ClangTool-injectResourceDir-use-CC1OptionCopy head branch name to clipboard