diff -r 932b94295034 -r 312126722609 src/hotspot/share/gc/z/zForwardingEntry.hpp
--- a/src/hotspot/share/gc/z/zForwardingEntry.hpp	Tue Sep 10 17:07:02 2019 +0200
+++ b/src/hotspot/share/gc/z/zForwardingEntry.hpp	Tue Sep 10 17:07:02 2019 +0200
@@ -46,7 +46,7 @@
 //
 
 class ZForwardingEntry {
-  friend struct PrimitiveConversions;
+  friend class PrimitiveConversions;
 
 private:
   typedef ZBitField<uint64_t, bool,   0,   1> field_populated;