--- old/src/share/vm/gc/g1/heapRegion.inline.hpp	2017-08-04 01:02:18.912129976 -0400
+++ new/src/share/vm/gc/g1/heapRegion.inline.hpp	2017-08-04 01:02:17.604055965 -0400
@@ -117,12 +117,12 @@
   HeapWord* addr = (HeapWord*) obj;
 
   assert(addr < top(), "must be");
-  assert(!is_archive(), "Archive regions should not have references into interesting regions.");
+  assert(!is_closed_archive(), "Archive regions should not have references into interesting regions.");
   assert(!is_humongous(), "Humongous objects not handled here");
   bool obj_is_dead = is_obj_dead(obj, prev_bitmap);
 
   if (ClassUnloadingWithConcurrentMark && obj_is_dead) {
-    assert(!block_is_obj(addr), "must be");
+    assert(!block_is_obj(addr) || is_open_archive(), "must be");
     *size = block_size_using_bitmap(addr, prev_bitmap);
   } else {
     assert(block_is_obj(addr), "must be");