- Add missing lock

diff --git a/Zend/zend_execute.c b/Zend/zend_execute.c
index d3cad93a10f0a6110aa77ad781feef4e4318f459..2b5be29159c1ba053b85ef27dd00ff9910745770 100644 (file)
--- a/Zend/zend_execute.c
+++ b/Zend/zend_execute.c
@@ -647,6 +647,7 @@ static inline void zend_fetch_dimension_address(znode *result, znode *op1, znode
                                if (container->value.str.val == undefined_variable_string) {
                                        /* for read-mode only */
                                        *retval = &EG(uninitialized_zval_ptr);
+                                       SELECTIVE_PZVAL_LOCK(**retval, result);
                                        FREE_OP(op2, free_op2);
                                } else {
                                        zval tmp;