PVS-Studio warning V523 for Skia

void SkOpEdgeBuilder::closeContour(const SkPoint& curveEnd,
                                   const SkPoint& curveStart)
{
  ....
  if (curveEnd.fX != curveStart.fX ||
      curveEnd.fY != curveStart.fY)
  {
    fPathPts[fPathPts.count() - 1] = curveStart;
  } else {
    fPathPts[fPathPts.count() - 1] = curveStart;
  }  ....
}

This suspicious code was found in Skia project by PVS-Studio static code analyzer.
Warning message is:
V523 The 'then' statement is equivalent to the 'else' statement. skopedgebuilder.cpp 52

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/