Fixed ossible crash in highlight_string().

diff --git a/Zend/zend_compile.c b/Zend/zend_compile.c
index 6b9b4cdb3f99be065d7b418c7992694ba49d0c39..df78e40ff1292968e68090ba15c73292103eecde 100644 (file)
--- a/Zend/zend_compile.c
+++ b/Zend/zend_compile.c
@@ -131,6 +131,7 @@ void zend_init_compiler_data_structures(TSRMLS_D)
        zend_stack_init(&CG(foreach_copy_stack));
        zend_stack_init(&CG(object_stack));
        zend_stack_init(&CG(declare_stack));
+       CG(active_op_array) = NULL;
        CG(active_class_entry) = NULL;
        zend_llist_init(&CG(list_llist), sizeof(list_llist_element), NULL, 0);
        zend_llist_init(&CG(dimension_llist), sizeof(int), NULL, 0);