void external_word_Relocation::fix_relocation_after_move(const CodeBuffer* src, CodeBuffer* dest) {

      address target = _target;
      if (target == NULL) {
        // An absolute embedded reference to an external location,
        // which means there is nothing to fix here.
        return;
      }
      // Probably this reference is absolute, not relative, so the
      // following is probably a no-op.
      assert(src->section_index_of(target) == CodeBuffer::SECT_NONE, "sanity");
      set_value(target);