[clang][Sema] close IsStandardConversion hole when adding cfi_unchecked_callee#164592

brunodf-snps merged 2 commits intollvm:mainllvm/llvm-project:mainfrom

brunodf-snps:fix-standard-conversion-holebrunodf-snps/llvm-project:fix-standard-conversion-holeCopy head branch name to clipboard