src/hotspot/share/gc/parallel/psParallelCompact.cpp

8221260: Initialize more class members on construction, remove some unused ones
Reviewed-by:

*** 404,426 ****
  size_t add_obj_size;
  size_t mark_bitmap_count;
  size_t mark_bitmap_size;
  #endif  // #ifdef ASSERT
  
! ParallelCompactData::ParallelCompactData()
! {
!   _region_start = 0;
! 
!   _region_vspace = 0;
!   _reserved_byte_size = 0;
!   _region_data = 0;
!   _region_count = 0;
! 
!   _block_vspace = 0;
!   _block_data = 0;
!   _block_count = 0;
! }
  
  bool ParallelCompactData::initialize(MemRegion covered_region)
  {
    _region_start = covered_region.start();
    const size_t region_size = covered_region.word_size();
--- 404,425 ----
  size_t add_obj_size;
  size_t mark_bitmap_count;
  size_t mark_bitmap_size;
  #endif  // #ifdef ASSERT
  
! ParallelCompactData::ParallelCompactData() :
!   _region_start(NULL),
! #ifdef  ASSERT
!   _region_end(NULL),
! #endif  // #ifdef ASSERT
!   _region_vspace(NULL),
!   _reserved_byte_size(0),
!   _region_data(NULL),
!   _region_count(0),
!   _block_vspace(NULL),
!   _block_data(NULL),
!   _block_count(0) {}
  
  bool ParallelCompactData::initialize(MemRegion covered_region)
  {
    _region_start = covered_region.start();
    const size_t region_size = covered_region.word_size();