--- old/src/hotspot/share/gc/g1/heapRegionRemSet.cpp 2017-10-13 11:45:35.926948532 -0400 +++ new/src/hotspot/share/gc/g1/heapRegionRemSet.cpp 2017-10-13 11:45:35.418596237 -0400 @@ -197,8 +197,7 @@ PerRegionTable* fl = _free_list; while (fl != NULL) { PerRegionTable* nxt = fl->next(); - PerRegionTable* res = - Atomic::cmpxchg(nxt, &_free_list, fl); + PerRegionTable* res = Atomic::cmpxchg(nxt, &_free_list, fl); if (res == fl) { fl->init(hr, true); return fl;