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8144040: UpdateRSetDeferred in G1EvacFailure will never visit survivor regions

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Reviewed-by: tschatzl, mgerdin
This commit is contained in:
Erik Helin 2015-11-29 15:08:40 +01:00
parent 3a37b5d81c
commit 34d5bd8db1
1 changed files with 3 additions and 2 deletions
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5
hotspot/src/share/vm/gc/g1/g1EvacFailure.cpp
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@ -47,8 +47,9 @@ public:
virtual void do_oop( oop* p) { do_oop_work(p); }
template <class T> void do_oop_work(T* p) {
assert(_from->is_in_reserved(p), "paranoia");
if (!_from->is_in_reserved(oopDesc::load_decode_heap_oop(p)) &&
!_from->is_survivor()) {
assert(!_from->is_survivor(), "Unexpected evac failure in survivor region");
if (!_from->is_in_reserved(oopDesc::load_decode_heap_oop(p))) {
size_t card_index = _ct_bs->index_for(p);
if (_ct_bs->mark_card_deferred(card_index)) {
_dcq->enqueue((jbyte*)_ct_bs->byte_for_index(card_index));