Assert._assert(allocator == GenCopy.ALLOC_MATURE);
Assert._assert(allocator == GenCopy.ALLOC_MATURE_MINORGC || allocator == GenCopy.ALLOC_MATURE_MAJORGC);
  public Address allocCopy(ObjectReference original, int bytes,      int align, int offset, int allocator)  throws InlinePragma {    if (Assert.VERIFY_ASSERTIONS) {      Assert._assert(bytes <= Plan.LOS_SIZE_THRESHOLD);      Assert._assert(allocator == GenCopy.ALLOC_MATURE);    }    Address result = mature.alloc(bytes, align, offset, true);    return result;  }