--- old/src/share/vm/gc_implementation/parallelScavenge/psScavenge.cpp 2014-12-12 02:18:56.342000000 -0500 +++ new/src/share/vm/gc_implementation/parallelScavenge/psScavenge.cpp 2014-12-12 02:18:56.264000000 -0500 @@ -362,7 +362,7 @@ COMPILER2_PRESENT(DerivedPointerTable::clear()); - reference_processor()->enable_discovery(true /*verify_disabled*/, true /*verify_no_refs*/); + reference_processor()->enable_discovery(); reference_processor()->setup_policy(false); // We track how much was promoted to the next generation for