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8355789: GenShen: assert(_degen_point == ShenandoahGC::_degenerated_unset) failed: Should not be set yet: Outside of Cycle

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Reviewed-by: kdnilsen, ysr
This commit is contained in:
William Kemper 2025-04-29 22:56:19 +00:00
parent 6850757fe6
commit 5e27547e2d
1 changed files with 8 additions and 11 deletions
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19
src/hotspot/share/gc/shenandoah/shenandoahGenerationalControlThread.cpp
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@ -482,17 +482,14 @@ bool ShenandoahGenerationalControlThread::resume_concurrent_old_cycle(Shenandoah
}
if (_heap->cancelled_gc()) {
// It's possible the gc cycle was cancelled after the last time
// the collection checked for cancellation. In which case, the
// old gc cycle is still completed, and we have to deal with this
// cancellation. We set the degeneration point to be outside
// the cycle because if this is an allocation failure, that is
// what must be done (there is no degenerated old cycle). If the
// cancellation was due to a heuristic wanting to start a young
// cycle, then we are not actually going to a degenerated cycle,
// so the degenerated point doesn't matter here.
check_cancellation_or_degen(ShenandoahGC::_degenerated_outside_cycle);
if (cause == GCCause::_shenandoah_concurrent_gc) {
// It's possible the gc cycle was cancelled after the last time the collection checked for cancellation. In which
// case, the old gc cycle is still completed, and we have to deal with this cancellation. We set the degeneration
// point to be outside the cycle because if this is an allocation failure, that is what must be done (there is no
// degenerated old cycle). If the cancellation was due to a heuristic wanting to start a young cycle, then we are
// not actually going to a degenerated cycle, so don't set the degeneration point here.
if (ShenandoahCollectorPolicy::is_allocation_failure(cause)) {
check_cancellation_or_degen(ShenandoahGC::_degenerated_outside_cycle);
} else if (cause == GCCause::_shenandoah_concurrent_gc) {
_heap->shenandoah_policy()->record_interrupted_old();
}
return false;