--- old/src/hotspot/share/gc/g1/g1RegionMarkStatsCache.cpp	2018-05-16 17:25:44.037245792 +0200
+++ new/src/hotspot/share/gc/g1/g1RegionMarkStatsCache.cpp	2018-05-16 17:25:43.732236412 +0200
@@ -36,9 +36,6 @@
   guarantee(is_power_of_2(num_cache_entries),
             "Number of cache entries must be power of two, but is %u", num_cache_entries);
   _cache = NEW_C_HEAP_ARRAY(G1RegionMarkStatsCacheEntry, _num_cache_entries, mtGC);
-  for (uint i = 0; i < _num_cache_entries; i++) {
-    _cache[i].clear();
-  }
   _num_cache_entries_mask = _num_cache_entries - 1;
 }