--- v8/src/base/strings.h.orig	2026-06-10 12:51:34 UTC
+++ v8/src/base/strings.h
@@ -9,6 +9,8 @@
 #include "src/base/macros.h"
 #include "src/base/vector.h"
 
+#include <cstdarg>
+
 namespace v8 {
 namespace base {