--- a/src/hotspot/share/gc/z/zHeap.cpp	Wed Aug 28 09:50:21 2019 +0200
+++ b/src/hotspot/share/gc/z/zHeap.cpp	Wed Aug 28 09:50:23 2019 +0200
@@ -64,7 +64,7 @@
 
 ZHeap::ZHeap() :
     _workers(),
-    _object_allocator(_workers.nworkers()),
+    _object_allocator(),
     _page_allocator(heap_min_size(), heap_initial_size(), heap_max_size(), heap_max_reserve_size()),
     _page_table(),
     _forwarding_table(),