public static final int resetGCBitsForCopy(VM_Address fromObj, int forwardingWord, int bytes) {
public static final VM_Word resetGCBitsForCopy(VM_Address fromObj, VM_Word forwardingWord, int bytes) {
  public static final int resetGCBitsForCopy(VM_Address fromObj,                                             int forwardingWord, int bytes) {    return forwardingWord; // a no-op for this collector  }