--- old/src/hotspot/share/gc/g1/g1RedirtyCardsQueue.cpp	2019-08-26 18:55:20.092162260 -0400
+++ new/src/hotspot/share/gc/g1/g1RedirtyCardsQueue.cpp	2019-08-26 18:55:19.880150839 -0400
@@ -28,20 +28,6 @@
 #include "utilities/debug.hpp"
 #include "utilities/macros.hpp"
 
-// G1RedirtyCardsBufferList
-
-G1RedirtyCardsBufferList::G1RedirtyCardsBufferList() :
-  _head(NULL), _tail(NULL), _entry_count(0) {}
-
-G1RedirtyCardsBufferList::G1RedirtyCardsBufferList(BufferNode* head,
-                                                   BufferNode* tail,
-                                                   size_t entry_count) :
-  _head(head), _tail(tail), _entry_count(entry_count)
-{
-  assert((_head == NULL) == (_tail == NULL), "invariant");
-  assert((_head == NULL) == (_entry_count == 0), "invariant");
-}
-
 // G1RedirtyCardsQueueBase::LocalQSet
 
 G1RedirtyCardsQueueBase::LocalQSet::LocalQSet(G1RedirtyCardsQueueSet* shared_qset) :
@@ -67,9 +53,9 @@
   }
 }
 
-G1RedirtyCardsBufferList G1RedirtyCardsQueueBase::LocalQSet::take_all_completed_buffers() {
-  G1RedirtyCardsBufferList result = _buffers;
-  _buffers = G1RedirtyCardsBufferList();
+G1BufferNodeList G1RedirtyCardsQueueBase::LocalQSet::take_all_completed_buffers() {
+  G1BufferNodeList result = _buffers;
+  _buffers = G1BufferNodeList();
   return result;
 }
 
@@ -126,9 +112,9 @@
   return _list.top();
 }
 
-G1RedirtyCardsBufferList G1RedirtyCardsQueueSet::take_all_completed_buffers() {
+G1BufferNodeList G1RedirtyCardsQueueSet::take_all_completed_buffers() {
   DEBUG_ONLY(_collecting = false;)
-  G1RedirtyCardsBufferList result(_list.pop_all(), _tail, _entry_count);
+  G1BufferNodeList result(_list.pop_all(), _tail, _entry_count);
   _tail = NULL;
   _entry_count = 0;
   DEBUG_ONLY(_collecting = true;)
@@ -154,7 +140,7 @@
 
 void G1RedirtyCardsQueueSet::merge_bufferlist(LocalQSet* src) {
   assert(_collecting, "precondition");
-  const G1RedirtyCardsBufferList from = src->take_all_completed_buffers();
+  const G1BufferNodeList from = src->take_all_completed_buffers();
   if (from._head != NULL) {
     assert(from._tail != NULL, "invariant");
     Atomic::add(from._entry_count, &_entry_count);