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8225341: Shenandoah: CM::update_thread_roots() needs to handle derived pointers

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Reviewed-by: shade
This commit is contained in:
Zhengyu Gu 2019-06-05 09:15:42 -04:00
parent cc353da44d
commit 5d46bc86b8
1 changed files with 6 additions and 0 deletions

6
src/hotspot/share/gc/shenandoah/shenandoahConcurrentMark.cpp

@ -331,8 +331,14 @@ public:
void ShenandoahConcurrentMark::update_thread_roots(ShenandoahPhaseTimings::Phase root_phase) {
WorkGang* workers = _heap->workers();
bool is_par = workers->active_workers() > 1;
#if COMPILER2_OR_JVMCI
DerivedPointerTable::clear();
#endif
ShenandoahUpdateThreadRootsTask task(is_par, root_phase);
workers->run_task(&task);
#if COMPILER2_OR_JVMCI
DerivedPointerTable::update_pointers();
#endif
}
void ShenandoahConcurrentMark::initialize(uint workers) {