src/hotspot/share/gc/shared/cardTableRS.cpp

@@ -341,10 +341,11 @@
     assert(jp >= _begin && jp < _end,
            "Error: jp " PTR_FORMAT " should be within "
            "[_begin, _end) = [" PTR_FORMAT "," PTR_FORMAT ")",
            p2i(jp), p2i(_begin), p2i(_end));
     oop obj = RawAccess<>::oop_load(p);
+    assert_object_is_in_heap_or_null(p, obj);
     guarantee(obj == NULL || (HeapWord*)obj >= _boundary,
               "pointer " PTR_FORMAT " at " PTR_FORMAT " on "
               "clean card crosses boundary" PTR_FORMAT,
               p2i(obj), p2i(jp), p2i(_boundary));
   }