--- old/src/hotspot/share/gc/serial/markSweep.inline.hpp	2019-09-17 15:01:29.402043256 +0200
+++ new/src/hotspot/share/gc/serial/markSweep.inline.hpp	2019-09-17 15:01:29.099033338 +0200
@@ -87,7 +87,7 @@
            "should be forwarded");
 
     if (new_obj != NULL) {
-      DEBUG_ONLY(Universe::heap()->check_oop_location((HeapWord*)new_obj);)
+      assert(Universe::heap()->is_oop_location(new_obj), "invalid oop location");
       RawAccess<IS_NOT_NULL>::oop_store(p, new_obj);
     }
   }