--- old/src/hotspot/share/prims/stackwalk.hpp	2018-03-20 18:40:51.798090641 -0400
+++ new/src/hotspot/share/prims/stackwalk.hpp	2018-03-20 18:40:51.024018810 -0400
@@ -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(); }