[LTO][Legacy] Add new C APIs to query undefined symbols in assembly#145413

cachemeifyoucan merged 2 commits intomainllvm/llvm-project:mainfrom

users/cachemeifyoucan/spr/ltolegacy-add-new-c-apis-to-query-undefined-symbols-in-assemblyllvm/llvm-project:users/cachemeifyoucan/spr/ltolegacy-add-new-c-apis-to-query-undefined-symbols-in-assemblyCopy head branch name to clipboard