--- old/src/hotspot/share/gc/z/zCollectedHeap.cpp	2019-08-07 12:22:08.528855346 +0200
+++ new/src/hotspot/share/gc/z/zCollectedHeap.cpp	2019-08-07 12:22:08.236845827 +0200
@@ -28,6 +28,7 @@
 #include "gc/z/zGlobals.hpp"
 #include "gc/z/zHeap.inline.hpp"
 #include "gc/z/zNMethod.hpp"
+#include "gc/z/zObjArrayAllocator.hpp"
 #include "gc/z/zServiceability.hpp"
 #include "gc/z/zStat.hpp"
 #include "gc/z/zUtils.inline.hpp"
@@ -127,6 +128,15 @@
   return (HeapWord*)addr;
 }
 
+oop ZCollectedHeap::array_allocate(Klass* klass, int size, int length, bool do_zero, TRAPS) {
+  if (!do_zero) {
+    return CollectedHeap::array_allocate(klass, size, length, false /* do_zero */, THREAD);
+  }
+
+  ZObjArrayAllocator allocator(klass, size, length, THREAD);
+  return allocator.allocate();
+}
+
 HeapWord* ZCollectedHeap::mem_allocate(size_t size, bool* gc_overhead_limit_was_exceeded) {
   const size_t size_in_bytes = ZUtils::words_to_bytes(align_object_size(size));
   return (HeapWord*)_heap.alloc_object(size_in_bytes);