--- a/src/hotspot/share/opto/callnode.hpp	Fri Sep 27 12:46:14 2019 +0200
+++ b/src/hotspot/share/opto/callnode.hpp	Tue Jul 16 08:56:08 2019 +0200
@@ -936,6 +936,8 @@
   // allocation node.
   void compute_MemBar_redundancy(ciMethod* initializer);
   bool is_allocation_MemBar_redundant() { return _is_allocation_MemBar_redundant; }
+
+  Node* make_ideal_mark(PhaseGVN *phase, Node* obj, Node* control, Node* mem);
 };
 
 //------------------------------AllocateArray---------------------------------