--- a/src/hotspot/share/prims/stackwalk.hpp	Wed Mar 21 17:09:34 2018 -0400
+++ b/src/hotspot/share/prims/stackwalk.hpp	Wed Mar 21 19:45:24 2018 -0400
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015, 2018, 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
@@ -80,7 +80,7 @@
 public:
   JavaFrameStream(JavaThread* thread, int mode);
 
-  void next()      { _vfst.next();}
+  void next();
   bool at_end()    { return _vfst.at_end(); }
 
   Method* method() { return _vfst.method(); }