--- old/src/hotspot/share/gc/g1/g1ParScanThreadState.cpp 2018-10-25 11:37:28.711536403 +0200 +++ new/src/hotspot/share/gc/g1/g1ParScanThreadState.cpp 2018-10-25 11:37:28.292523494 +0200 @@ -311,7 +311,7 @@ oop* old_p = set_partial_array_mask(old); do_oop_partial_array(old_p); } else { - _scanner.set_from_is_young(dest_state.is_young()); + _scanner.set_scanning_in_young(dest_state.is_young()); obj->oop_iterate_backwards(&_scanner); } return obj; @@ -366,7 +366,7 @@ _g1h->preserve_mark_during_evac_failure(_worker_id, old, m); - _scanner.set_from_is_young(r->is_young()); + _scanner.set_scanning_in_young(r->is_young()); old->oop_iterate_backwards(&_scanner); return old;