pp_reverse: Use isUTF8_CHAR() for validity check#23604

khwilliamson merged 1 commit intoPerl:bleadPerl/perl5:bleadfrom

khwilliamson:utf8_to_uvchr_buf_to_iskhwilliamson/perl5:utf8_to_uvchr_buf_to_isCopy head branch name to clipboard