llvm-project

7ed50d61 - [ADT] Add StringRef::rfind_if/rfind_if_not (#182928)

[ADT] Add StringRef::rfind_if/rfind_if_not (#182928) As a parity to `StringRef::find_if/find_if_not`. --------- Co-authored-by: Jakub Kuderski <kubakuderski@gmail.com>