src/share/vm/gc/g1/sparsePRT.cpp

rev 10742 : Make fields used in lock-free algorithms volatile

@@ -278,11 +278,11 @@
     capacity() * (SparsePRTEntry::size() + sizeof(int));
 }
 
 // ----------------------------------------------------------------------
 
-SparsePRT* SparsePRT::_head_expanded_list = NULL;
+SparsePRT* volatile SparsePRT::_head_expanded_list = NULL;
 
 void SparsePRT::add_to_expanded_list(SparsePRT* sprt) {
   // We could expand multiple times in a pause -- only put on list once.
   if (sprt->expanded()) return;
   sprt->set_expanded(true);