--- old/src/hotspot/cpu/arm/stubGenerator_arm.cpp	2018-04-30 11:27:56.779159322 +0200
+++ new/src/hotspot/cpu/arm/stubGenerator_arm.cpp	2018-04-30 11:27:56.671105321 +0200
@@ -3260,7 +3260,7 @@
     __ align(OptoLoopAlignment);
     __ BIND(store_element);
     if (UseCompressedOops) {
-      __ store_heap_oop(R5, Address(to, BytesPerHeapOop, post_indexed));  // store the oop, changes flags
+      __ store_heap_oop(Address(to, BytesPerHeapOop, post_indexed), R5);  // store the oop, changes flags
       __ subs_32(count,count,1);
     } else {
       __ subs_32(count,count,1);