src/hotspot/share/prims/whitebox.cpp

rev 47287 : Port 09.17.Thread_SMR_logging_update from JDK9 to JDK10
rev 47289 : eosterlund, stefank CR - refactor code into threadSMR.cpp and threadSMR.hpp
rev 47292 : stefank, coleenp CR - refactor most JavaThreadIterator usage to use JavaThreadIteratorWithHandle.

@@ -659,13 +659,11 @@
   VM_WhiteBoxDeoptimizeFrames(bool make_not_entrant) :
         _result(0), _make_not_entrant(make_not_entrant) { }
   int  result() const { return _result; }
 
   void doit() {
-    ThreadsListHandle tlh;
-    JavaThreadIterator jti(tlh.list());
-    for (JavaThread* t = jti.first(); t != NULL; t = jti.next()) {
+    for (JavaThreadIteratorWithHandle jtiwh; JavaThread *t = jtiwh.next(); ) {
       if (t->has_last_Java_frame()) {
         for (StackFrameStream fst(t, UseBiasedLocking); !fst.is_done(); fst.next()) {
           frame* f = fst.current();
           if (f->can_be_deoptimized() && !f->is_deoptimized_frame()) {
             RegisterMap* reg_map = fst.register_map();