diff -r b553ad95acf0 -r baa4dd528de0 src/hotspot/share/gc/g1/g1DirtyCardQueue.cpp
--- a/src/hotspot/share/gc/g1/g1DirtyCardQueue.cpp	Mon Sep 09 12:42:01 2019 -0700
+++ b/src/hotspot/share/gc/g1/g1DirtyCardQueue.cpp	Mon Sep 09 16:54:48 2019 -0400
@@ -62,9 +62,10 @@
   }
 }
 
-G1DirtyCardQueueSet::G1DirtyCardQueueSet() :
-  PtrQueueSet(),
-  _cbl_mon(NULL),
+G1DirtyCardQueueSet::G1DirtyCardQueueSet(Monitor* cbl_mon,
+                                         BufferNode::Allocator* allocator) :
+  PtrQueueSet(allocator),
+  _cbl_mon(cbl_mon),
   _completed_buffers_head(NULL),
   _completed_buffers_tail(NULL),
   _num_cards(0),
@@ -88,13 +89,6 @@
   return (uint)os::initial_active_processor_count();
 }
 
-void G1DirtyCardQueueSet::initialize(Monitor* cbl_mon,
-                                     BufferNode::Allocator* allocator) {
-  PtrQueueSet::initialize(allocator);
-  assert(_cbl_mon == NULL, "Init order issue?");
-  _cbl_mon = cbl_mon;
-}
-
 void G1DirtyCardQueueSet::handle_zero_index_for_thread(Thread* t) {
   G1ThreadLocalData::dirty_card_queue(t).handle_zero_index();
 }