2067     // When collecting the permanent generation methodOops may be moving,

  2067     // When collecting the permanent generation methodOops may be moving,

  2068     // so we either have to flush all bcp data or convert it into bci.

  2068     // so we either have to flush all bcp data or convert it into bci.

  2069     CodeCache::gc_prologue();

  2069     CodeCache::gc_prologue();

  2070     Threads::gc_prologue();

  2070     Threads::gc_prologue();

  2071 

  2071 

  2073     COMPILER2_PRESENT(DerivedPointerTable::clear());

  2072     COMPILER2_PRESENT(DerivedPointerTable::clear());

  2074 

  2073 

  2076     ref_processor()->setup_policy(maximum_heap_compaction);

  2075     ref_processor()->setup_policy(maximum_heap_compaction);

  2077 

  2076 

  2078     bool marked_for_unloading = false;

  2077     bool marked_for_unloading = false;

  2079 

  2078 

  2080     marking_start.update();

  2079     marking_start.update();