boolean isScalar)
int align, int offset)
  public final VM_Address allocCopy(VM_Address original, int bytes,                                    boolean isScalar)     throws VM_PragmaInline {    if (VM_Interface.VerifyAssertions) VM_Interface._assert(bytes <= LOS_SIZE_THRESHOLD);    if (GATHER_MARK_CONS_STATS) {      if (original.GE(NURSERY_START)) nurseryMark.inc(bytes);    }    return matureCopy(isScalar, bytes);  }