FLOWSPEC_OP_BIT_MATCH
(op & FLOWSPEC_OP_BIT_MASK) == FLOWSPEC_OP_BIT_MATCH &&
case FLOWSPEC_OP_BIT_MATCH:
case FLOWSPEC_OP_BIT_NOT | FLOWSPEC_OP_BIT_MATCH:
if (push_binop(FLOWSPEC_OP_BIT_MATCH, $1) == -1)