[Clang][CodeGen] Introduce the AllocToken SanitizerKind#162098

melver merged 9 commits intomainllvm/llvm-project:mainfrom

users/melver/spr/clangcodegen-introduce-the-alloctoken-sanitizerkindllvm/llvm-project:users/melver/spr/clangcodegen-introduce-the-alloctoken-sanitizerkindCopy head branch name to clipboard