src/hotspot/share/gc/g1/g1ConcurrentMark.inline.hpp

rev 49290 : imported patch 8197850-calculate-liveness-in-regions-during-marking
rev 49292 : imported patch 8197850-fix-regionmarkstatscache-includes
rev 49294 : imported patch 8180415-rebuild-remembered-set
rev 49305 : imported patch 8197932-stefanj-review2

@@ -179,13 +179,11 @@
          region, p2i(_top_at_rebuild_starts[region]));
   G1RemSetTrackingPolicy* tracker = _g1h->g1_policy()->remset_tracker();
   if (tracker->needs_scan_for_rebuild(r)) {
     _top_at_rebuild_starts[region] = r->top();
   } else {
-    // We could leave the TARS for this region at NULL, but we would not catch
-    // accidental double assignment then.
-    _top_at_rebuild_starts[region] = r->bottom();
+    // Leave TARS at NULL.
   }
 }
 
 inline void G1CMTask::update_liveness(oop const obj, const size_t obj_size) {
   _mark_stats_cache.add_live_words(_g1h->addr_to_region((HeapWord*)obj), obj_size);