llvm-project

272378ef - [clang][NFC] Extract LookupOverloadedUnaryOp (#210567)

[clang][NFC] Extract LookupOverloadedUnaryOp (#210567) This patch extracts `LookupOverloadedUnaryOp` from `CreateOverloadedUnaryOp` for consistency with `LookupOverloadedBinOp`/`CreateOverloadedBinOp`.