src/share/vm/gc/g1/g1ConcurrentMark.cpp

*** 1916,1926 ****
    void operator()(G1TaskQueueEntry task_entry) const {
      if (task_entry.is_array_slice()) {
        guarantee(_g1h->is_in_reserved(task_entry.slice()), "Slice " PTR_FORMAT " must be in heap.", p2i(task_entry.slice()));
        return;
      }
!     guarantee(task_entry.obj()->is_oop(),
                "Non-oop " PTR_FORMAT ", phase: %s, info: %d",
                p2i(task_entry.obj()), _phase, _info);
      guarantee(!_g1h->is_in_cset(task_entry.obj()),
                "obj: " PTR_FORMAT " in CSet, phase: %s, info: %d",
                p2i(task_entry.obj()), _phase, _info);
--- 1916,1926 ----
    void operator()(G1TaskQueueEntry task_entry) const {
      if (task_entry.is_array_slice()) {
        guarantee(_g1h->is_in_reserved(task_entry.slice()), "Slice " PTR_FORMAT " must be in heap.", p2i(task_entry.slice()));
        return;
      }
!     guarantee(oopDesc::is_oop(task_entry.obj()),
                "Non-oop " PTR_FORMAT ", phase: %s, info: %d",
                p2i(task_entry.obj()), _phase, _info);
      guarantee(!_g1h->is_in_cset(task_entry.obj()),
                "obj: " PTR_FORMAT " in CSet, phase: %s, info: %d",
                p2i(task_entry.obj()), _phase, _info);
*** 2311,2321 ****
    for (size_t i = 0; i < G1CMMarkStack::EntriesPerChunk; ++i) {
      G1TaskQueueEntry task_entry = buffer[i];
      if (task_entry.is_null()) {
        break;
      }
!     assert(task_entry.is_array_slice() || task_entry.obj()->is_oop(), "Element " PTR_FORMAT " must be an array slice or oop", p2i(task_entry.obj()));
      bool success = _task_queue->push(task_entry);
      // We only call this when the local queue is empty or under a
      // given target limit. So, we do not expect this push to fail.
      assert(success, "invariant");
    }
--- 2311,2321 ----
    for (size_t i = 0; i < G1CMMarkStack::EntriesPerChunk; ++i) {
      G1TaskQueueEntry task_entry = buffer[i];
      if (task_entry.is_null()) {
        break;
      }
!     assert(task_entry.is_array_slice() || oopDesc::is_oop(task_entry.obj()), "Element " PTR_FORMAT " must be an array slice or oop", p2i(task_entry.obj()));
      bool success = _task_queue->push(task_entry);
      // We only call this when the local queue is empty or under a
      // given target limit. So, we do not expect this push to fail.
      assert(success, "invariant");
    }