Reapply "compiler-rt: Introduce runtime functions for emulated PAC."#148094

pcc merged 4 commits intomainllvm/llvm-project:mainfrom

users/pcc/spr/reapply-compiler-rt-introduce-runtime-functions-for-emulated-pacllvm/llvm-project:users/pcc/spr/reapply-compiler-rt-introduce-runtime-functions-for-emulated-pacCopy head branch name to clipboard