src/hotspot/share/gc/g1/g1ParScanThreadState.cpp

rev 49289 : 8199735: Mark word updates need to use Access API

*** 279,297 ****
        }
        if (old_mark->has_displaced_mark_helper()) {
          // In this case, we have to install the mark word first,
          // otherwise obj looks to be forwarded (the old mark word,
          // which contains the forward pointer, was copied)
!         obj->set_mark(old_mark);
          markOop new_mark = old_mark->displaced_mark_helper()->set_age(age);
          old_mark->set_displaced_mark_helper(new_mark);
        } else {
!         obj->set_mark(old_mark->set_age(age));
        }
        _age_table.add(age, word_sz);
      } else {
!       obj->set_mark(old_mark);
      }
  
      if (G1StringDedup::is_enabled()) {
        const bool is_from_young = state.is_young();
        const bool is_to_young = dest_state.is_young();
--- 279,297 ----
        }
        if (old_mark->has_displaced_mark_helper()) {
          // In this case, we have to install the mark word first,
          // otherwise obj looks to be forwarded (the old mark word,
          // which contains the forward pointer, was copied)
!         obj->set_mark_raw(old_mark);
          markOop new_mark = old_mark->displaced_mark_helper()->set_age(age);
          old_mark->set_displaced_mark_helper(new_mark);
        } else {
!         obj->set_mark_raw(old_mark->set_age(age));
        }
        _age_table.add(age, word_sz);
      } else {
!       obj->set_mark_raw(old_mark);
      }
  
      if (G1StringDedup::is_enabled()) {
        const bool is_from_young = state.is_young();
        const bool is_to_young = dest_state.is_young();