diff -r 081b132c4dc0 -r 9375184cec98 src/hotspot/share/runtime/stubRoutines.cpp
--- a/src/hotspot/share/runtime/stubRoutines.cpp	Fri Jun 22 16:06:43 2018 -0400
+++ b/src/hotspot/share/runtime/stubRoutines.cpp	Fri Jun 22 17:46:58 2018 -0400
@@ -418,7 +418,7 @@
   SharedRuntime::_oop_array_copy_ctr++;        // Slow-path oop array copy
 #endif // !PRODUCT
   assert(count != 0, "count should be non-zero");
-  ArrayAccess<AS_DEST_NOT_INITIALIZED>::oop_arraycopy_raw((HeapWord*)src, (HeapWord*)dest, count);
+  ArrayAccess<IS_DEST_UNINITIALIZED>::oop_arraycopy_raw((HeapWord*)src, (HeapWord*)dest, count);
 JRT_END
 
 JRT_LEAF(void, StubRoutines::arrayof_jbyte_copy(HeapWord* src, HeapWord* dest, size_t count))
@@ -462,7 +462,7 @@
   SharedRuntime::_oop_array_copy_ctr++;        // Slow-path oop array copy
 #endif // !PRODUCT
   assert(count != 0, "count should be non-zero");
-  ArrayAccess<ARRAYCOPY_ARRAYOF | AS_DEST_NOT_INITIALIZED>::oop_arraycopy_raw(src, dest, count);
+  ArrayAccess<ARRAYCOPY_ARRAYOF | IS_DEST_UNINITIALIZED>::oop_arraycopy_raw(src, dest, count);
 JRT_END
 
 address StubRoutines::select_fill_function(BasicType t, bool aligned, const char* &name) {