*** old/src/hotspot/share/memory/filemap.cpp	Sun Apr  8 23:07:22 2018
--- new/src/hotspot/share/memory/filemap.cpp	Sun Apr  8 23:07:22 2018

*** 333,342 ****
--- 333,343 ----
      i++;
    }
    assert(i == num_entries, "number of shared path entry mismatch");
  }
  
+ // This function should only be called during run time with UseSharedSpaces enabled.
  bool FileMapInfo::validate_shared_path_table() {
    _validating_shared_path_table = true;
  
    _shared_path_table = _header->_shared_path_table;
    _shared_path_entry_size = _header->_shared_path_entry_size;

*** 1007,1016 ****
--- 1008,1018 ----
    size_t sz = data_size() - (buf - header);
    int crc = ClassLoader::crc32(0, buf, (jint)sz);
    return crc;
  }
  
+ // This function should only be called during run time with UseSharedSpaces enabled.
  bool FileMapInfo::FileMapHeader::validate() {
    if (VerifySharedSpaces && compute_crc() != _crc) {
      fail_continue("Header checksum verification failed.");
      return false;
    }