--- old/src/hotspot/share/gc/shared/oopStorage.cpp	2018-04-05 23:04:40.502066886 +0200
+++ new/src/hotspot/share/gc/shared/oopStorage.cpp	2018-04-05 23:04:40.286066893 +0200
@@ -696,7 +696,6 @@
 }
 
 // Parallel iteration support
-#if INCLUDE_ALL_GCS
 
 static char* not_started_marker_dummy = NULL;
 static void* const not_started_marker = &not_started_marker_dummy;
@@ -746,8 +745,6 @@
   return static_cast<Block*>(next);
 }
 
-#endif // INCLUDE_ALL_GCS
-
 const char* OopStorage::name() const { return _name; }
 
 #ifndef PRODUCT