--- old/src/hotspot/share/gc/shared/generation.hpp	2018-05-02 11:08:29.962142904 +0200
+++ new/src/hotspot/share/gc/shared/generation.hpp	2018-05-02 11:08:29.675134101 +0200
@@ -100,7 +100,7 @@
   VirtualSpace _virtual_space;
 
   // ("Weak") Reference processing support
-  SpanSubjectToDiscoveryClosure _span_discoverer;
+  SpanSubjectToDiscoveryClosure _span_based_discoverer;
   ReferenceProcessor* _ref_processor;
 
   // Performance Counters