src/share/vm/gc/g1/g1AllocRegion.cpp

*** 275,285 ****
    HeapRegion* cur = get();
    if (cur != NULL) {
      // Determine how far we are from the next card boundary. If it is smaller than
      // the minimum object size we can allocate into, expand into the next card.
      HeapWord* top = cur->top();
!     HeapWord* aligned_top = (HeapWord*)align_ptr_up(top, G1BlockOffsetTable::N_bytes);
  
      size_t to_allocate_words = pointer_delta(aligned_top, top, HeapWordSize);
  
      if (to_allocate_words != 0) {
        // We are not at a card boundary. Fill up, possibly into the next, taking the
--- 275,285 ----
    HeapRegion* cur = get();
    if (cur != NULL) {
      // Determine how far we are from the next card boundary. If it is smaller than
      // the minimum object size we can allocate into, expand into the next card.
      HeapWord* top = cur->top();
!     HeapWord* aligned_top = (HeapWord*)align_ptr_up(top, BOTConstants::N_bytes);
  
      size_t to_allocate_words = pointer_delta(aligned_top, top, HeapWordSize);
  
      if (to_allocate_words != 0) {
        // We are not at a card boundary. Fill up, possibly into the next, taking the