diff -r ba171f871932 -r 9691a169f1dd src/hotspot/share/opto/graphKit.hpp
--- a/src/hotspot/share/opto/graphKit.hpp	Tue May 28 14:56:58 2019 +0200
+++ b/src/hotspot/share/opto/graphKit.hpp	Tue May 21 15:46:09 2019 +0200
@@ -811,6 +811,7 @@
   int next_monitor();
   Node* insert_mem_bar(int opcode, Node* precedent = NULL);
   Node* insert_mem_bar_volatile(int opcode, int alias_idx, Node* precedent = NULL);
+  void insert_store_load_for_barrier();
   // Optional 'precedent' is appended as an extra edge, to force ordering.
   FastLockNode* shared_lock(Node* obj);
   void shared_unlock(Node* box, Node* obj);