yield_expr        335 Zend/zend_language_parser.y 	|	yield_expr ';' { zend_do_free(&$1 TSRMLS_CC); }
yield_expr        583 Zend/zend_language_parser.y 	|	'(' yield_expr ')'	{ zend_do_pass_param(&$2, ZEND_SEND_VAL TSRMLS_CC); }
yield_expr        860 Zend/zend_language_parser.y yield_expr:
yield_expr       1085 Zend/zend_language_parser.y 	|	'(' yield_expr ')'	{ $$ = $2; }