--- old/src/hotspot/share/gc/g1/g1ParScanThreadState.cpp	2018-10-23 12:02:41.556005347 +0200
+++ new/src/hotspot/share/gc/g1/g1ParScanThreadState.cpp	2018-10-23 12:02:41.140992424 +0200
@@ -310,7 +310,7 @@
       arrayOop(obj)->set_length(0);
       oop* old_p = set_partial_array_mask(old);
       do_oop_partial_array(old_p);
-    } else if (!obj->is_typeArray()) {
+    } else {
       HeapRegion* const to_region = _g1h->heap_region_containing(obj_ptr);
       _scanner.set_region(to_region);
       obj->oop_iterate_backwards(&_scanner);