Examples of errors detected by the V756 diagnostic

V756. The 'X' counter is not used inside a nested loop. Consider inspecting usage of 'Y' counter.

LibreOffice

V756 The 'nIndex2' counter is not used inside a nested loop. Consider inspecting usage of 'nIndex' counter. treex.cxx 34

SAL_IMPLEMENT_MAIN_WITH_ARGS(argc, argv)
{
  OString sXHPRoot;
  for (int nIndex = 1; nIndex != argc; ++nIndex)
  {
    if (std::strcmp(argv[nIndex], "-r") == 0)
    {
      sXHPRoot = OString( argv[nIndex + 1] );
      for( int nIndex2 = nIndex+3; nIndex2 < argc; nIndex2 = nIndex2 + 2 )
      {
        argv[nIndex-3] = argv[nIndex-1];
        argv[nIndex-2] = argv[nIndex];
      }
      argc = argc - 2;
      break;
    }
  }
  common::HandledArgs aArgs;
  if( !common::handleArguments(argc, argv, aArgs) )
  {
    WriteUsage();
    return 1;
  }
  ....
}