--- Zend/zend_opcode.c
+++ Zend/zend_opcode.c
@@ -430,6 +430,9 @@ ZEND_API void destroy_zend_class(zval *zv)
if (ce->backed_enum_table) {
zend_hash_release(ce->backed_enum_table);
}
+ if (ZEND_TYPE_IS_SET(ce->collection_item_type)) {
+ zend_type_release(ce->collection_item_type, 0);
+ }
if (ce->default_properties_table) {
zval *p = ce->default_properties_table;
zval *end = p + ce->default_properties_count;