if ((left_utf || right_utf) && (sv == left || sv == right)) {
needlen = optype == OP_BIT_AND ? len : leftlen + rightlen;
Newxz(dc, needlen + 1, char);
if ((left_utf || right_utf) && (sv == left || sv == right)) {
needlen = optype == OP_BIT_AND ? len : leftlen + rightlen;
Newxz(dc, needlen + 1, char);