src/share/vm/gc_implementation/parNew/parNewGeneration.cpp

*** 1124,1141 ****
      forward_ptr = obj->forwardee();
    }
    return forward_ptr;
  }
  
- #ifdef ASSERT
- bool ParNewGeneration::is_legal_forward_ptr(oop p) {
-   return
-     (p == ClaimedForwardPtr)
-     || Universe::heap()->is_in_reserved(p);
- }
- #endif
- 
  void ParNewGeneration::preserve_mark_if_necessary(oop obj, markOop m) {
    if (m->must_be_preserved_for_promotion_failure(obj)) {
      // We should really have separate per-worker stacks, rather
      // than use locking of a common pair of stacks.
      MutexLocker ml(ParGCRareEvent_lock);
--- 1124,1133 ----
*** 1206,1215 ****
--- 1198,1208 ----
      old->forward_to(new_obj);
      forward_ptr = NULL;
    } else {
      // Is in to-space; do copying ourselves.
      Copy::aligned_disjoint_words((HeapWord*)old, (HeapWord*)new_obj, sz);
+     assert(Universe::heap()->is_in_reserved(new_obj), "illegal forwarding pointer value.");
      forward_ptr = old->forward_to_atomic(new_obj);
      // Restore the mark word copied above.
      new_obj->set_mark(m);
      // Increment age if obj still in new generation
      new_obj->incr_age();