diff -r 17d568776429 -r 259c36ef27df src/hotspot/cpu/x86/nativeInst_x86.hpp
--- a/src/hotspot/cpu/x86/nativeInst_x86.hpp	Fri Jan 04 20:58:35 2019 +0100
+++ b/src/hotspot/cpu/x86/nativeInst_x86.hpp	Fri Jan 04 15:06:01 2019 -0500
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2019, 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
@@ -149,6 +149,7 @@
   return nativePltCall_at(at);
 }
 
+class NativeCall;
 inline NativeCall* nativeCall_at(address address);
 // The NativeCall is an abstraction for accessing/manipulating native call imm32/rel32off
 // instructions (used to manipulate inline caches, primitive & dll calls, etc.).