#17725 fix checking inheritance while replacing static with self in final classes

Author: rekmixa

Zend/zend_inheritance.c

@@ -572,6 +572,12 @@ static inheritance_status zend_is_class_subtype_of_type(
 	}
 
 	if (!is_intersection && fe_scope->ce_flags & ZEND_ACC_FINAL && instanceof_function(fe_scope, proto_scope)) {
+		if (!fe_ce) fe_ce = lookup_class(fe_scope, fe_class_name);
+
+		if (!fe_ce || !instanceof_function(fe_ce, fe_scope)) {
+			return INHERITANCE_ERROR;
+		}
+
 		return INHERITANCE_SUCCESS;
 	}