diff -r 0b63526d1550 -r ca1f2d4d4ec8 src/hotspot/share/memory/metaspaceShared.cpp
--- a/src/hotspot/share/memory/metaspaceShared.cpp	Tue May 08 12:16:52 2018 -0700
+++ b/src/hotspot/share/memory/metaspaceShared.cpp	Mon May 07 14:57:23 2018 +0200
@@ -1922,6 +1922,10 @@
   }
 }
 
+bool MetaspaceShared::is_archive_object(oop p) {
+  return (p == NULL) ? false : G1ArchiveAllocator::is_archive_object(p);
+}
+
 void MetaspaceShared::fixup_mapped_heap_regions() {
   FileMapInfo *mapinfo = FileMapInfo::current_info();
   mapinfo->fixup_mapped_heap_regions();