src/hotspot/share/gc/shenandoah/shenandoahHeap.cpp

*** 1233,1242 ****
--- 1233,1244 ----
    template <class T>
    void do_oop_work(T* p) {
      T o = RawAccess<>::oop_load(p);
      if (!CompressedOops::is_null(o)) {
        oop obj = CompressedOops::decode_not_null(o);
+       assert_object_is_in_heap(p, obj);
+ 
        oop fwd = (oop) ShenandoahForwarding::get_forwardee_raw_unchecked(obj);
        if (fwd == NULL) {
          // There is an odd interaction with VM_HeapWalkOperation, see jvmtiTagMap.cpp.
          //
          // That operation walks the reachable objects on its own, storing the marking