zend_do_clone    4594 Zend/zend_language_parser.c     { zend_do_clone(&(yyval), &(yyvsp[(2) - (2)]) TSRMLS_CC); }
zend_do_clone     743 Zend/zend_language_parser.y 	|	T_CLONE expr { zend_do_clone(&$$, &$2 TSRMLS_CC); }