--- old/src/share/vm/opto/phaseX.hpp	2017-09-21 09:18:04.200998237 +0200
+++ new/src/share/vm/opto/phaseX.hpp	2017-09-21 09:18:04.096998239 +0200
@@ -462,7 +462,7 @@
 
   // Idealize new Node 'n' with respect to its inputs and its value
   virtual Node *transform( Node *a_node );
-  virtual void record_for_igvn(Node *n) { }
+  virtual void record_for_igvn(Node *n) { _worklist.push(n); }
 
   virtual PhaseIterGVN *is_IterGVN() { return this; }