diff -r d8e211419aaf -r 810409af12f1 src/hotspot/share/gc/z/zArray.inline.hpp
--- a/src/hotspot/share/gc/z/zArray.inline.hpp	Mon Oct 21 09:56:58 2019 +0200
+++ b/src/hotspot/share/gc/z/zArray.inline.hpp	Mon Oct 21 09:57:26 2019 +0200
@@ -117,4 +117,12 @@
   return false;
 }
 
+template <typename T>
+inline ZArrayIterator<T>::ZArrayIterator(ZArray<T>* array) :
+    ZArrayIteratorImpl<T, ZARRAY_SERIAL>(array) {}
+
+template <typename T>
+inline ZArrayParallelIterator<T>::ZArrayParallelIterator(ZArray<T>* array) :
+    ZArrayIteratorImpl<T, ZARRAY_PARALLEL>(array) {}
+
 #endif // SHARE_GC_Z_ZARRAY_INLINE_HPP