--- old/src/hotspot/share/gc/parallel/psParallelCompact.cpp 2018-11-14 07:09:56.292154033 -0500 +++ new/src/hotspot/share/gc/parallel/psParallelCompact.cpp 2018-11-14 07:09:56.004154043 -0500 @@ -2214,7 +2214,7 @@ JvmtiExport::oops_do(&oop_closure); SystemDictionary::oops_do(&oop_closure); CLDToOopClosure cld_closure(&oop_closure, ClassLoaderData::_claim_strong); - ClassLoaderDataGraph::cld_do(&cld_closure); + ClassLoaderDataGraph::cld_oops_do(&cld_closure); // Now adjust pointers in remaining weak roots. (All of which should // have been cleared if they pointed to non-surviving objects.)