1580   free_set()->recycle_trash();

  1580   free_set()->recycle_trash();

  1581 }

  1581 }

  1582 

  1582 

  1583 class ShenandoahConcurrentRootsEvacUpdateTask : public AbstractGangTask {

  1583 class ShenandoahConcurrentRootsEvacUpdateTask : public AbstractGangTask {

  1584 private:

  1584 private:

  1586   ShenandoahWeakRoots<true /*concurrent*/>      _weak_roots;

  1586   ShenandoahWeakRoots<true /*concurrent*/>      _weak_roots;

  1587   ShenandoahClassLoaderDataRoots<true /*concurrent*/, false /*single threaded*/> _cld_roots;

  1587   ShenandoahClassLoaderDataRoots<true /*concurrent*/, false /*single threaded*/> _cld_roots;

  1588 

  1588 

  1589 public:

  1589 public:

  1590   ShenandoahConcurrentRootsEvacUpdateTask() :

  1590   ShenandoahConcurrentRootsEvacUpdateTask() :

  1595     ShenandoahEvacOOMScope oom;

  1595     ShenandoahEvacOOMScope oom;

  1596     {

  1596     {

  1597       // jni_roots and weak_roots are OopStorage backed roots, concurrent iteration

  1597       // jni_roots and weak_roots are OopStorage backed roots, concurrent iteration

  1598       // may race against OopStorage::release() calls.

  1598       // may race against OopStorage::release() calls.

  1599       ShenandoahEvacUpdateOopStorageRootsClosure cl;

  1599       ShenandoahEvacUpdateOopStorageRootsClosure cl;

  1601       _weak_roots.oops_do<ShenandoahEvacUpdateOopStorageRootsClosure>(&cl);

  1601       _weak_roots.oops_do<ShenandoahEvacUpdateOopStorageRootsClosure>(&cl);

  1602     }

  1602     }

  1603 

  1603 

  1604     {

  1604     {

  1605       ShenandoahEvacuateUpdateRootsClosure cl;

  1605       ShenandoahEvacuateUpdateRootsClosure cl;