src/hotspot/share/gc/g1/dirtyCardQueue.cpp
DirtyCardQueueSet lacks initialization of _cur_par_buffer_node

src/hotspot/share/gc/g1/g1CardCounts.cpp
G1CardCounts lacks initialization of _ct

src/hotspot/share/gc/g1/g1CollectedHeap.cpp
G1FreeHumongousRegionClosure lacks initialization of _proxy_set

src/hotspot/share/gc/g1/g1HeapVerifier.cpp
VerifyArchivePointerRegionClosure lacks initialization of _g1h

src/hotspot/share/gc/g1/g1YoungRemSetSamplingThread.cpp
G1YoungRemSetSamplingThread lacks initialization of _vtime_accum

src/hotspot/share/gc/g1/heapRegion.cpp
G1ContiguousSpace lacks initialization of _top and _pre_dummy_top