--- old/src/hotspot/share/gc/shenandoah/shenandoahHeap.cpp	2020-06-23 17:04:57.514897121 +0200
+++ new/src/hotspot/share/gc/shenandoah/shenandoahHeap.cpp	2020-06-23 17:04:57.401898003 +0200
@@ -41,6 +41,7 @@
 #include "gc/shenandoah/shenandoahConcurrentMark.inline.hpp"
 #include "gc/shenandoah/shenandoahConcurrentRoots.hpp"
 #include "gc/shenandoah/shenandoahControlThread.hpp"
+#include "gc/shenandoah/shenandoahEvacLockingBitmap.hpp"
 #include "gc/shenandoah/shenandoahFreeSet.hpp"
 #include "gc/shenandoah/shenandoahPhaseTimings.hpp"
 #include "gc/shenandoah/shenandoahHeap.inline.hpp"
@@ -259,6 +260,8 @@
 
   _marking_context = new ShenandoahMarkingContext(_heap_region, _bitmap_region, _num_regions);
 
+  _evac_locking_bitmap = new ShenandoahEvacLockingBitmap(_heap_region);
+
   if (ShenandoahVerify) {
     ReservedSpace verify_bitmap(_bitmap_size, bitmap_page_size);
     if (!verify_bitmap.special()) {
@@ -495,7 +498,8 @@
   _bitmap_region_special(false),
   _aux_bitmap_region_special(false),
   _liveness_cache(NULL),
-  _collection_set(NULL)
+  _collection_set(NULL),
+  _evac_locking_bitmap(NULL)
 {
   _heap = this;