--- old/src/hotspot/share/gc/shared/gcConfig.hpp	2018-04-27 11:56:18.961919683 +0200
+++ new/src/hotspot/share/gc/shared/gcConfig.hpp	2018-04-27 11:56:18.732909796 +0200
@@ -48,6 +48,8 @@
   static bool is_gc_selected(CollectedHeap::Name name);
   static bool is_gc_selected_ergonomically();
 
+  static const char* hs_err_name();
+
   static GCArguments* arguments();
 };