--- old/src/hotspot/share/opto/idealGraphPrinter.cpp	Wed Nov  8 08:12:46 2017
+++ new/src/hotspot/share/opto/idealGraphPrinter.cpp	Wed Nov  8 08:12:45 2017
@@ -92,9 +92,7 @@
 }
 
 void IdealGraphPrinter::clean_up() {
-  ThreadsListHandle tlh;
-  JavaThreadIterator jti(tlh.list());
-  for (JavaThread *p = jti.first(); p != NULL; p = jti.next()) {
+  for (JavaThreadIteratorWithHandle jtiwh; JavaThread *p = jtiwh.next(); ) {
     if (p->is_Compiler_thread()) {
       CompilerThread *c = (CompilerThread *)p;
       IdealGraphPrinter *printer = c->ideal_graph_printer();