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

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

 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;
-}
+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();