--- old/src/hotspot/os/linux/os_linux.cpp	Wed Nov  8 08:12:22 2017
+++ new/src/hotspot/os/linux/os_linux.cpp	Wed Nov  8 08:12:21 2017
@@ -1835,9 +1835,7 @@
   // may have been queued at the same time.
 
   if (!_stack_is_executable) {
-    ThreadsListHandle tlh;
-    JavaThreadIterator jti(tlh.list());
-    for (JavaThread *jt = jti.first(); jt != NULL; jt = jti.next()) {
+    for (JavaThreadIteratorWithHandle jtiwh; JavaThread *jt = jtiwh.next(); ) {
       if (!jt->stack_guard_zone_unused() &&     // Stack not yet fully initialized
           jt->stack_guards_enabled()) {         // No pending stack overflow exceptions
         if (!os::guard_memory((char *)jt->stack_end(), jt->stack_guard_zone_size())) {