PVS-Studio warning V501 for OpenCV

CV_IMPL IplImage* icvCreateIsometricImage(....)
{
  ....
  if( !dst || dst->depth != desired_depth ||
      dst->nChannels != desired_num_channels ||
      dst_size.width != src_size.width ||
      dst_size.height != dst_size.height )
  ....
}

This suspicious code was found in OpenCV project by PVS-Studio static code analyzer.
Warning message is:
V501 There are identical sub-expressions to the left and to the right of the '!=' operator: dst_size.height != dst_size.height epilines.cpp 2118

PVS-Studio is a static analyzer for detecting bugs in the source code of applications written in C, C++, C++11, C++/CX. Site: http://www.viva64.com/en/pvs-studio/