Merge branch 'PHP-7.4'

Author: nikic

Zend/zend_inheritance.c

@@ -1812,6 +1812,9 @@ static void zend_do_traits_property_binding(zend_class_entry *ce, zend_class_ent
 
 			Z_TRY_ADDREF_P(prop_value);
 			doc_comment = property_info->doc_comment ? zend_string_copy(property_info->doc_comment) : NULL;
+			if (ZEND_TYPE_IS_NAME(property_info->type)) {
+				zend_string_addref(ZEND_TYPE_NAME(property_info->type));
+			}
 			zend_declare_typed_property(ce, prop_name, prop_value, flags, doc_comment, property_info->type);
 			zend_string_release_ex(prop_name, 0);
 		} ZEND_HASH_FOREACH_END();