--- old/src/hotspot/share/gc/g1/heapRegionRemSet.cpp	2019-11-21 11:17:10.747579101 +0100
+++ new/src/hotspot/share/gc/g1/heapRegionRemSet.cpp	2019-11-21 11:17:10.327572358 +0100
@@ -219,7 +219,7 @@
       // some mark bits may not yet seem cleared or a 'later' update
       // performed by a concurrent thread could be undone when the
       // zeroing becomes visible). This requires store ordering.
-      OrderAccess::release_store(&_fine_grain_regions[ind], prt);
+      Atomic::release_store(&_fine_grain_regions[ind], prt);
       _n_fine_entries++;
 
       // Transfer from sparse to fine-grain.