[libc][annex_k] Add Annex K support macros.#163100

bassiounix merged 2 commits intomainllvm/llvm-project:mainfrom

users/bassiounix/spr/10-12-_libc_annex_k_add_annex_k_support_macrosllvm/llvm-project:users/bassiounix/spr/10-12-_libc_annex_k_add_annex_k_support_macrosCopy head branch name to clipboard