[libclc] Override generic symbol using llvm-link --override flag instead of using weak linkage#156778

wenju-he merged 3 commits into

llvm:mainllvm/llvm-project:mainfrom

wenju-he:libclc-remove-weak-add--overridewenju-he/llvm-project:libclc-remove-weak-add--overrideCopy head branch name to clipboard