--- old/src/share/vm/gc_implementation/g1/vm_operations_g1.cpp	2014-11-04 15:48:58.746000000 -0500
+++ new/src/share/vm/gc_implementation/g1/vm_operations_g1.cpp	2014-11-04 15:48:58.668000000 -0500
@@ -213,7 +213,8 @@
   assert(_needs_pll, "don't call this otherwise");
   // The caller may block while communicating
   // with the SLT thread in order to acquire/release the PLL.
-  if (SurrogateLockerThread* slt = ConcurrentMarkThread::slt()) {
+  SurrogateLockerThread* slt = ConcurrentMarkThread::slt();
+  if (slt != NULL) {
     slt->manipulatePLL(SurrogateLockerThread::acquirePLL);
   } else {
     SurrogateLockerThread::report_missing_slt();