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

rev 5918 : 8035326: Assume non-NULL references in G1CollectedHeap::in_cset_fast_test
Summary: Remove the assumption that G1CollectedHeap::in_cset_fast_test needs to check for NULL references. Most of the time this is not required, making the code doing this check multiple times.
Reviewed-by:
rev 5919 : 8035329: Move G1ParCopyClosure::copy_to_survivor_space into G1ParScanThreadState
Summary: Move G1ParCopyClosure::copy_to_survivor_space to decrease code size.

*** 1873,1882 ****
--- 1873,1884 ----
    G1ParGCAllocBufferContainer  _surviving_alloc_buffer;
    G1ParGCAllocBufferContainer  _tenured_alloc_buffer;
    G1ParGCAllocBufferContainer* _alloc_buffers[GCAllocPurposeCount];
    ageTable            _age_table;
  
+   G1ParScanClosure    _scanner;
+ 
    size_t           _alloc_buffer_waste;
    size_t           _undo_waste;
  
    OopsInHeapRegionClosure*      _evac_failure_cl;
    G1ParScanHeapEvacClosure*     _evac_cl;
*** 1925,1935 ****
        }
      }
    }
  
  public:
!   G1ParScanThreadState(G1CollectedHeap* g1h, uint queue_num);
  
    ~G1ParScanThreadState() {
      FREE_C_HEAP_ARRAY(size_t, _surviving_young_words_base, mtGC);
    }
  
--- 1927,1937 ----
        }
      }
    }
  
  public:
!   G1ParScanThreadState(G1CollectedHeap* g1h, uint queue_num, ReferenceProcessor* rp);
  
    ~G1ParScanThreadState() {
      FREE_C_HEAP_ARRAY(size_t, _surviving_young_words_base, mtGC);
    }
  
*** 2060,2069 ****
--- 2062,2073 ----
                                                   true /* end_of_gc */,
                                                   false /* retain */);
      }
    }
  
+   oop copy_to_survivor_space(oop const obj);
+ 
    template <class T> void deal_with_reference(T* ref_to_scan) {
      if (has_partial_array_mask(ref_to_scan)) {
        _partial_scan_cl->do_oop_nv(ref_to_scan);
      } else {
        // Note: we can use "raw" versions of "region_containing" because