src/share/vm/gc/cms/concurrentMarkSweepGeneration.cpp

rev 9088 : 8139040: Fix initializations before ShouldNotReachHere() etc. and enable -Wuninitialized on linux.
Reviewed-by: stuefe, coleenp

*** 1793,1803 ****
      gch->increment_total_full_collections();  // ... starting a collection cycle
      _collection_count_start = gch->total_full_collections();
    }
  
    // Used for PrintGC
!   size_t prev_used;
    if (PrintGC && Verbose) {
      prev_used = _cmsGen->used();
    }
  
    // The change of the collection state is normally done at this level;
--- 1793,1803 ----
      gch->increment_total_full_collections();  // ... starting a collection cycle
      _collection_count_start = gch->total_full_collections();
    }
  
    // Used for PrintGC
!   size_t prev_used = 0;
    if (PrintGC && Verbose) {
      prev_used = _cmsGen->used();
    }
  
    // The change of the collection state is normally done at this level;
*** 7726,7736 ****
      gclog_or_tty->print_cr("  -- pick up another chunk at " PTR_FORMAT " (" SIZE_FORMAT ")", p2i(fc), chunkSize);
    }
  
    HeapWord* const fc_addr = (HeapWord*) fc;
  
!   bool coalesce;
    const size_t left  = pointer_delta(fc_addr, freeFinger());
    const size_t right = chunkSize;
    switch (FLSCoalescePolicy) {
      // numeric value forms a coalition aggressiveness metric
      case 0:  { // never coalesce
--- 7726,7736 ----
      gclog_or_tty->print_cr("  -- pick up another chunk at " PTR_FORMAT " (" SIZE_FORMAT ")", p2i(fc), chunkSize);
    }
  
    HeapWord* const fc_addr = (HeapWord*) fc;
  
!   bool coalesce = false;
    const size_t left  = pointer_delta(fc_addr, freeFinger());
    const size_t right = chunkSize;
    switch (FLSCoalescePolicy) {
      // numeric value forms a coalition aggressiveness metric
      case 0:  { // never coalesce