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fix: Assert retained region stays a partition member to catch staleness

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This commit is contained in:
Xiaolong Peng 2026-06-03 09:24:56 -07:00
parent ca0c2ffa27
commit 328e8d6989
1 changed files with 3 additions and 2 deletions
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5
src/hotspot/share/gc/shenandoah/shenandoahPartitionAllocator.cpp
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@ -55,8 +55,9 @@ HeapWord* ShenandoahPartitionAllocator<PARTITION>::allocate(ShenandoahAllocReque
if (_retained_region != nullptr) {
constexpr ShenandoahAffiliation affiliation =
(PARTITION == ShenandoahFreeSetPartitionId::OldCollector) ? OLD_GENERATION : YOUNG_GENERATION;
assert(!_retained_region->is_trash() && _retained_region->affiliation() == affiliation,
"Retained region %zu must stay affiliated to this partition until the free set is rebuilt",
assert(!_retained_region->is_trash() && _retained_region->affiliation() == affiliation &&
_free_set->membership(_retained_region->index()) == PARTITION,
"Retained region %zu must remain a non-trash member of this partition until the free set is rebuilt",
_retained_region->index());
HeapWord* result = nullptr;
size_t ac_words = _retained_region->free() >> LogHeapWordSize;