[clang][bytecode] Add callback mechanism to handle constexpr for unary integer ops#160280

RKSimon merged 3 commits intollvm:mainllvm/llvm-project:mainfrom

RKSimon:bytecode-constexpr-unary-op-callbackRKSimon/llvm-project:bytecode-constexpr-unary-op-callbackCopy head branch name to clipboard