--- old/src/share/vm/gc/g1/g1YoungRemSetSamplingThread.cpp	2016-03-09 16:00:24.098915589 -0500
+++ new/src/share/vm/gc/g1/g1YoungRemSetSamplingThread.cpp	2016-03-09 16:00:23.935917627 -0500
@@ -44,7 +44,7 @@
 
 void G1YoungRemSetSamplingThread::sleep_before_next_cycle() {
   MutexLockerEx x(&_monitor, Mutex::_no_safepoint_check_flag);
-  if (!_should_terminate) {
+  if (!should_terminate()) {
     uintx waitms = G1ConcRefinementServiceIntervalMillis; // 300, really should be?
     _monitor.wait(Mutex::_no_safepoint_check_flag, waitms);
   }
@@ -53,7 +53,7 @@
 void G1YoungRemSetSamplingThread::run_service() {
   double vtime_start = os::elapsedVTime();
 
-  while (!_should_terminate) {
+  while (!should_terminate()) {
     sample_young_list_rs_lengths();
 
     if (os::supports_vtime()) {