src/share/vm/oops/oop.inline.hpp

*** 588,597 ****
--- 588,600 ----
  void oopDesc::forward_to(oop p) {
    assert(check_obj_alignment(p),
           "forwarding to something not aligned");
    assert(Universe::heap()->is_in_reserved(p),
           "forwarding to something not in heap");
+   assert(!is_archive_object(oop(this)) && 
+          !is_archive_object(p),
+          "forwarding archive object");
    markOop m = markOopDesc::encode_pointer_as_mark(p);
    assert(m->decode_pointer() == p, "encoding must be reversable");
    set_mark(m);
  }