src/share/vm/gc_implementation/g1/g1CollectedHeap.hpp

rev 5732 : 8027476: Improve performance of Stringtable unlink
8027455: Improve symbol table scan times during gc pauses
Summary: Parallelize string table and symbol table scan during remark and full GC. Some additional statistics output if the experimental flag G1TraceStringSymbolTableScrubbing is set.
rev 5734 : 8027746: Remove do_gen_barrier template parameter in G1ParCopyClosure
Summary: Remove the above mentioned template parameter and related unused code. Also remove some classes that are never used.

*** 207,217 ****
    friend class MutatorAllocRegion;
    friend class SurvivorGCAllocRegion;
    friend class OldGCAllocRegion;
  
    // Closures used in implementation.
!   template <bool do_gen_barrier, G1Barrier barrier, bool do_mark_object>
    friend class G1ParCopyClosure;
    friend class G1IsAliveClosure;
    friend class G1EvacuateFollowersClosure;
    friend class G1ParScanThreadState;
    friend class G1ParScanClosureSuper;
--- 207,217 ----
    friend class MutatorAllocRegion;
    friend class SurvivorGCAllocRegion;
    friend class OldGCAllocRegion;
  
    // Closures used in implementation.
!   template <G1Barrier barrier, bool do_mark_object>
    friend class G1ParCopyClosure;
    friend class G1IsAliveClosure;
    friend class G1EvacuateFollowersClosure;
    friend class G1ParScanThreadState;
    friend class G1ParScanClosureSuper;