--- old/src/hotspot/share/gc/g1/g1HeapTransition.hpp	2019-11-01 16:13:12.856400130 -0700
+++ new/src/hotspot/share/gc/g1/g1HeapTransition.hpp	2019-11-01 16:13:12.488400119 -0700
@@ -39,7 +39,13 @@
     size_t _humongous_length;
     const metaspace::MetaspaceSizesSnapshot _meta_sizes;
 
+    // Only includes current eden regions.
+    uint* _eden_length_per_node;
+    // Only includes current survivor regions.
+    uint* _survivor_length_per_node;
+
     Data(G1CollectedHeap* g1_heap);
+    ~Data();
   };
 
   G1CollectedHeap* _g1_heap;