8374922: Build failure after JDK-8372040

Reviewed-by: smarks

Author: Kim Barrett

src/hotspot/share/gc/serial/serialHeap.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017, 2025, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2017, 2026, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -70,6 +70,7 @@
 #include "runtime/init.hpp"
 #include "runtime/java.hpp"
 #include "runtime/mutexLocker.hpp"
+#include "runtime/prefetch.inline.hpp"
 #include "runtime/threads.hpp"
 #include "runtime/vmThread.hpp"
 #include "services/memoryManager.hpp"